prompt
large_stringlengths
72
9.34k
completion
large_stringlengths
0
7.61k
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: <|fim_middle|> class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
return bindata
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. <|fim_middle|> else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth)
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: <|fim_middle|> def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
log.debug("packet collision detected on channel %d" % (frequency,))
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: <|fim_middle|> else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
p = random.randint(-40, -20)
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: <|fim_middle|> spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
p = random.randint(-90, -80)
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def <|fim_middle|>(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
__init__
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def <|fim_middle|>(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
_recv
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def <|fim_middle|>(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
set_configuration
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def <|fim_middle|>(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
binsend
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def <|fim_middle|>(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
binrecv
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def <|fim_middle|>(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
__init__
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def <|fim_middle|>(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
_get_radio
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def <|fim_middle|>(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
_dispatcher
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def <|fim_middle|>(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
get_radio_pair
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def <|fim_middle|>(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
get_spectrum
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def <|fim_middle|>(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
get_frequency_range
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def <|fim_middle|>(self): return self.bandwidth_range def get_power_range(self): return self.power_range <|fim▁end|>
get_bandwidth_range
<|file_name|>simulation.py<|end_file_name|><|fim▁begin|># Copyright (C) 2015 SensorLab, Jozef Stefan Institute http://sensorlab.ijs.si # # Written by Tomaz Solc, [email protected] # # This work has been partially funded by the European Community through the # 7th Framework Programme project CREW (FP7-ICT-2009-258301). # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see http://www.gnu.org/licenses/ import logging import Queue import random import time from spectrumwars.testbed import TestbedBase, RadioBase, RadioTimeout, RadioError, TestbedError, RadioPacket log = logging.getLogger(__name__) class Radio(RadioBase): RECEIVE_TIMEOUT = 2. def __init__(self, addr, dispatcher, send_delay): super(Radio, self).__init__() self.addr = addr self.neighbor = None self.dispatcher = dispatcher self.q = Queue.Queue() self.frequency = 0 self.bandwidth = 0 self.send_delay = send_delay def _recv(self, addr, bindata, frequency, bandwidth): if self.frequency == frequency and self.bandwidth == bandwidth and self.addr == addr: self.q.put(bindata) def set_configuration(self, frequency, bandwidth, power): self.frequency = frequency self.bandwidth = bandwidth def binsend(self, bindata): self.dispatcher(self.neighbor, bindata, self.frequency, self.bandwidth) time.sleep(self.send_delay) def binrecv(self, timeout=None): if timeout is None: timeout = self.RECEIVE_TIMEOUT try: bindata = self.q.get(True, timeout) except Queue.Empty: raise RadioTimeout else: return bindata class Testbed(TestbedBase): RADIO_CLASS = Radio def __init__(self, send_delay=.1, frequency_range=64, bandwidth_range=10, power_range=10, packet_size=1024): self.send_delay = float(send_delay) self.frequency_range = int(frequency_range) self.bandwidth_range = int(bandwidth_range) self.power_range = int(power_range) self.RADIO_CLASS.PACKET_SIZE = int(packet_size) + 1 self.radios = [] # for each channel, we keep the timestamp of the last # transmission. we use this for simulated spectrum sensing and # for detecting collisions. self.channels = [0] * self.frequency_range self.i = 0 def _get_radio(self): r = Radio(self.i, self._dispatcher, self.send_delay) self.radios.append(r) self.i += 1 return r def _dispatcher(self, addr, bindata, frequency, bandwidth): now = self.time() has_collision = (now - self.channels[frequency]) > self.send_delay self.channels[frequency] = now if has_collision: # note that when packets collide, the first one goes # through while the later ones fail. this is different # than in reality: all should fail. But this would # be complicated to implement in practice. for radio in self.radios: radio._recv(addr, bindata, frequency, bandwidth) else: log.debug("packet collision detected on channel %d" % (frequency,)) def get_radio_pair(self): dst = self._get_radio() src = self._get_radio() dst.neighbor = src.addr src.neighbor = dst.addr return dst, src def get_spectrum(self): spectrum = [] now = self.time() for time in self.channels: if now - time < .5: p = random.randint(-40, -20) else: p = random.randint(-90, -80) spectrum.append(p) return tuple(spectrum) def get_frequency_range(self): return self.frequency_range def get_bandwidth_range(self): return self.bandwidth_range def <|fim_middle|>(self): return self.power_range <|fim▁end|>
get_power_range
<|file_name|>easy_install-script.py<|end_file_name|><|fim▁begin|>#!D:\PycharmProjects\UFT\Scripts\python.exe # EASY-INSTALL-ENTRY-SCRIPT: 'setuptools==0.6c11','console_scripts','easy_install' __requires__ = 'setuptools==0.6c11' import sys from pkg_resources import load_entry_point<|fim▁hole|> sys.exit( load_entry_point('setuptools==0.6c11', 'console_scripts', 'easy_install')() )<|fim▁end|>
<|file_name|>268-missing-number.py<|end_file_name|><|fim▁begin|>class Solution(object): def missingNumber(self, nums): """ :type nums: List[int] :rtype: int """ xor = len(nums) <|fim▁hole|> return xor inputs = [ [0], [1], [3,0,1], [9,6,4,2,3,5,7,0,1] ] s = Solution() for i in inputs: print s.missingNumber(i)<|fim▁end|>
for i, n in enumerate(nums): xor ^= n xor ^= i
<|file_name|>268-missing-number.py<|end_file_name|><|fim▁begin|>class Solution(object): <|fim_middle|> inputs = [ [0], [1], [3,0,1], [9,6,4,2,3,5,7,0,1] ] s = Solution() for i in inputs: print s.missingNumber(i) <|fim▁end|>
def missingNumber(self, nums): """ :type nums: List[int] :rtype: int """ xor = len(nums) for i, n in enumerate(nums): xor ^= n xor ^= i return xor
<|file_name|>268-missing-number.py<|end_file_name|><|fim▁begin|>class Solution(object): def missingNumber(self, nums): <|fim_middle|> inputs = [ [0], [1], [3,0,1], [9,6,4,2,3,5,7,0,1] ] s = Solution() for i in inputs: print s.missingNumber(i) <|fim▁end|>
""" :type nums: List[int] :rtype: int """ xor = len(nums) for i, n in enumerate(nums): xor ^= n xor ^= i return xor
<|file_name|>268-missing-number.py<|end_file_name|><|fim▁begin|>class Solution(object): def <|fim_middle|>(self, nums): """ :type nums: List[int] :rtype: int """ xor = len(nums) for i, n in enumerate(nums): xor ^= n xor ^= i return xor inputs = [ [0], [1], [3,0,1], [9,6,4,2,3,5,7,0,1] ] s = Solution() for i in inputs: print s.missingNumber(i) <|fim▁end|>
missingNumber
<|file_name|>test.py<|end_file_name|><|fim▁begin|><|fim▁hole|># Copyright (c) 2005, Jeremiah Fincher # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright notice, # this list of conditions, and the following disclaimer. # * Redistributions in binary form must reproduce the above copyright notice, # this list of conditions, and the following disclaimer in the # documentation and/or other materials provided with the distribution. # * Neither the name of the author of this software nor the name of # contributors to this software may be used to endorse or promote products # derived from this software without specific prior written consent. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. ### from supybot.test import * class MyChannelLoggerTestCase(PluginTestCase): plugins = ('MyChannelLogger',) # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:<|fim▁end|>
###
<|file_name|>test.py<|end_file_name|><|fim▁begin|>### # Copyright (c) 2005, Jeremiah Fincher # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright notice, # this list of conditions, and the following disclaimer. # * Redistributions in binary form must reproduce the above copyright notice, # this list of conditions, and the following disclaimer in the # documentation and/or other materials provided with the distribution. # * Neither the name of the author of this software nor the name of # contributors to this software may be used to endorse or promote products # derived from this software without specific prior written consent. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. ### from supybot.test import * class MyChannelLoggerTestCase(PluginTestCase): <|fim_middle|> # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: <|fim▁end|>
plugins = ('MyChannelLogger',)
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \<|fim▁hole|> self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass<|fim▁end|>
if ping is not None \ else SocketPing()
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): <|fim_middle|> class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval)
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): <|fim_middle|> @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer()
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): <|fim_middle|> @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
return self._ping_interval
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): <|fim_middle|> @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer()
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): <|fim_middle|> @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
if self._ping is None: return 0 return self._ping.max_ping_time
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): <|fim_middle|> @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
if self._ping is not None: self._ping.max_ping_time = value
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): <|fim_middle|> @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
return self._stats
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): <|fim_middle|> @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
with self._server_lock: return set(self._servers)
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): <|fim_middle|> def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none <|fim_middle|> def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
server = self._rule.choose() return server
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): <|fim_middle|> def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
self._logger.debug("Marking server down: %s", server) server._is_alive = False
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): <|fim_middle|> def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): <|fim_middle|> def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): <|fim_middle|> def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results)
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): <|fim_middle|> def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start()
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): <|fim_middle|> def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
with self._lock: self._ping_timer_running = False self._ping_timer = None
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): <|fim_middle|> class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval)
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): <|fim_middle|> <|fim▁end|>
def get_server_stats(self, server): pass
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): <|fim_middle|> <|fim▁end|>
pass
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: <|fim_middle|> @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
self._start_ping_timer()
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: <|fim_middle|> @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
self._stop_ping_timer() self._start_ping_timer()
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: <|fim_middle|> return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
return 0
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: <|fim_middle|> @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
self._ping.max_ping_time = value
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: <|fim_middle|> return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
servers.add(s)
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: <|fim_middle|> else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
self._ping_all_servers()
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: <|fim_middle|> def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
is_alive = self._ping.is_alive(server) server._is_alive = is_alive
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() <|fim_middle|> else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start()
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: <|fim_middle|> def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
is_alive = self._ping.is_alive(server) server._is_alive = is_alive
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: <|fim_middle|> self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
self._logger.debug("Background pinger already running") return
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def <|fim_middle|>(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
__init__
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def <|fim_middle|>(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
ping_interval
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def <|fim_middle|>(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
ping_interval
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def <|fim_middle|>(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
max_ping_time
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def <|fim_middle|>(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
max_ping_time
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def <|fim_middle|>(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
stats
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def <|fim_middle|>(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
servers
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def <|fim_middle|>(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
reachable_servers
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def <|fim_middle|>(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
choose_server
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def <|fim_middle|>(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
mark_server_down
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def <|fim_middle|>(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
ping
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def <|fim_middle|>(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
ping_async
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def <|fim_middle|>(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
_ping_all_servers
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def <|fim_middle|>(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
_start_ping_timer
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def <|fim_middle|>(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
_stop_ping_timer
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def <|fim_middle|>(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def get_server_stats(self, server): pass <|fim▁end|>
_ping_loop
<|file_name|>core.py<|end_file_name|><|fim▁begin|>import logging import threading import time from ballast.discovery import ServerList from ballast.rule import Rule, RoundRobinRule from ballast.ping import ( Ping, SocketPing, PingStrategy, SerialPingStrategy ) class LoadBalancer(object): DEFAULT_PING_INTERVAL = 30 MAX_PING_TIME = 3 def __init__(self, server_list, rule=None, ping_strategy=None, ping=None, ping_on_start=True): assert isinstance(server_list, ServerList) assert rule is None or isinstance(rule, Rule) assert ping_strategy is None or isinstance(ping_strategy, PingStrategy) assert ping is None or isinstance(ping, Ping) # some locks for thread-safety self._lock = threading.Lock() self._server_lock = threading.Lock() self._rule = rule \ if rule is not None \ else RoundRobinRule() self._ping_strategy = ping_strategy \ if ping_strategy is not None \ else SerialPingStrategy() self._ping = ping \ if ping is not None \ else SocketPing() self.max_ping_time = self.MAX_PING_TIME self._ping_interval = self.DEFAULT_PING_INTERVAL self._server_list = server_list self._servers = set() self._stats = LoadBalancerStats() self._rule.load_balancer = self self._logger = logging.getLogger(self.__module__) # start our background worker # to periodically ping our servers self._ping_timer_running = False self._ping_timer = None if ping_on_start: self._start_ping_timer() @property def ping_interval(self): return self._ping_interval @ping_interval.setter def ping_interval(self, value): self._ping_interval = value if self._ping_timer_running: self._stop_ping_timer() self._start_ping_timer() @property def max_ping_time(self): if self._ping is None: return 0 return self._ping.max_ping_time @max_ping_time.setter def max_ping_time(self, value): if self._ping is not None: self._ping.max_ping_time = value @property def stats(self): return self._stats @property def servers(self): with self._server_lock: return set(self._servers) @property def reachable_servers(self): with self._server_lock: servers = set() for s in self._servers: if s.is_alive: servers.add(s) return servers def choose_server(self): # choose a server, will # throw if there are none server = self._rule.choose() return server def mark_server_down(self, server): self._logger.debug("Marking server down: %s", server) server._is_alive = False def ping(self, server=None): if server is None: self._ping_all_servers() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def ping_async(self, server=None): if server is None: # self._ping_all_servers() t = threading.Thread(name='ballast-worker', target=self._ping_all_servers) t.daemon = True t.start() else: is_alive = self._ping.is_alive(server) server._is_alive = is_alive def _ping_all_servers(self): with self._server_lock: results = self._ping_strategy.ping( self._ping, self._server_list ) self._servers = set(results) def _start_ping_timer(self): with self._lock: if self._ping_timer_running: self._logger.debug("Background pinger already running") return self._ping_timer_running = True self._ping_timer = threading.Thread(name='ballast-worker', target=self._ping_loop) self._ping_timer.daemon = True self._ping_timer.start() def _stop_ping_timer(self): with self._lock: self._ping_timer_running = False self._ping_timer = None def _ping_loop(self): while self._ping_timer_running: try: self._ping_all_servers() except BaseException as e: self._logger.error("There was an error pinging servers: %s", e) time.sleep(self._ping_interval) class LoadBalancerStats(object): def <|fim_middle|>(self, server): pass <|fim▁end|>
get_server_stats
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self):<|fim▁hole|>def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False<|fim▁end|>
return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip)
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): <|fim_middle|> class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label)
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): <|fim_middle|> def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): <|fim_middle|> def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
return self.ip < b.ip
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): <|fim_middle|> class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label)
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): <|fim_middle|> def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip)
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): <|fim_middle|> def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
self.a, self.b = sorted([a, b])
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): <|fim_middle|> def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
return self.a.ip == that.a.ip and self.b.ip == that.b.ip
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): <|fim_middle|> def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip)
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): <|fim_middle|> def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
return CJDNS_IP_REGEX.match(ip)
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): <|fim_middle|> <|fim▁end|>
try: return int(version) < 30 except ValueError: return False
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): <|fim_middle|> if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
raise ValueError('Invalid IP address')
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): <|fim_middle|> self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
raise ValueError('Invalid version')
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def <|fim_middle|>(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
__init__
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def <|fim_middle|>(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
__lt__
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def <|fim_middle|>(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
__repr__
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def <|fim_middle|>(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
__init__
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def <|fim_middle|>(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
__eq__
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def <|fim_middle|>(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
__repr__
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def <|fim_middle|>(ip): return CJDNS_IP_REGEX.match(ip) def valid_version(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
valid_cjdns_ip
<|file_name|>graph.py<|end_file_name|><|fim▁begin|>import re CJDNS_IP_REGEX = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE) class Node(object): def __init__(self, ip, version=None, label=None): if not valid_cjdns_ip(ip): raise ValueError('Invalid IP address') if not valid_version(version): raise ValueError('Invalid version') self.ip = ip self.version = int(version) self.label = ip[-4:] or label def __lt__(self, b): return self.ip < b.ip def __repr__(self): return 'Node(ip="%s", version=%s, label="%s")' % ( self.ip, self.version, self.label) class Edge(object): def __init__(self, a, b): self.a, self.b = sorted([a, b]) def __eq__(self, that): return self.a.ip == that.a.ip and self.b.ip == that.b.ip def __repr__(self): return 'Edge(a.ip="{}", b.ip="{}")'.format(self.a.ip, self.b.ip) def valid_cjdns_ip(ip): return CJDNS_IP_REGEX.match(ip) def <|fim_middle|>(version): try: return int(version) < 30 except ValueError: return False <|fim▁end|>
valid_version
<|file_name|>server.py<|end_file_name|><|fim▁begin|>from flask import Flask, Response, make_response from video_stream_handler import stream_handler import logging import cv2 # see line 398 of connectionpool.py: logging.basicConfig(level=logging.DEBUG) thetav = None app = Flask(__name__, static_url_path='/public', static_folder='../') @app.route('/video_feed')<|fim▁hole|> return Response(stream_handler(cap), mimetype='multipart/x-mixed-replace; boundary=frame') if __name__ == '__main__': app.run(host='0.0.0.0', threaded=True)<|fim▁end|>
def video_feed(): cap = cv2.VideoCapture(0) # cap.set(3, 3840) # cap.set(4, 1920)
<|file_name|>server.py<|end_file_name|><|fim▁begin|>from flask import Flask, Response, make_response from video_stream_handler import stream_handler import logging import cv2 # see line 398 of connectionpool.py: logging.basicConfig(level=logging.DEBUG) thetav = None app = Flask(__name__, static_url_path='/public', static_folder='../') @app.route('/video_feed') def video_feed(): <|fim_middle|> if __name__ == '__main__': app.run(host='0.0.0.0', threaded=True) <|fim▁end|>
cap = cv2.VideoCapture(0) # cap.set(3, 3840) # cap.set(4, 1920) return Response(stream_handler(cap), mimetype='multipart/x-mixed-replace; boundary=frame')
<|file_name|>server.py<|end_file_name|><|fim▁begin|>from flask import Flask, Response, make_response from video_stream_handler import stream_handler import logging import cv2 # see line 398 of connectionpool.py: logging.basicConfig(level=logging.DEBUG) thetav = None app = Flask(__name__, static_url_path='/public', static_folder='../') @app.route('/video_feed') def video_feed(): cap = cv2.VideoCapture(0) # cap.set(3, 3840) # cap.set(4, 1920) return Response(stream_handler(cap), mimetype='multipart/x-mixed-replace; boundary=frame') if __name__ == '__main__': <|fim_middle|> <|fim▁end|>
app.run(host='0.0.0.0', threaded=True)
<|file_name|>server.py<|end_file_name|><|fim▁begin|>from flask import Flask, Response, make_response from video_stream_handler import stream_handler import logging import cv2 # see line 398 of connectionpool.py: logging.basicConfig(level=logging.DEBUG) thetav = None app = Flask(__name__, static_url_path='/public', static_folder='../') @app.route('/video_feed') def <|fim_middle|>(): cap = cv2.VideoCapture(0) # cap.set(3, 3840) # cap.set(4, 1920) return Response(stream_handler(cap), mimetype='multipart/x-mixed-replace; boundary=frame') if __name__ == '__main__': app.run(host='0.0.0.0', threaded=True) <|fim▁end|>
video_feed
<|file_name|>727. Minimum Window Subsequence.py<|end_file_name|><|fim▁begin|>from collections import defaultdict class Solution(object): def minWindow(self, S, T): """ :type S: str :type T: str :rtype: str """ pre = defaultdict(list) for i, c in enumerate(T, -1): pre[c].append(i) for val in pre.values(): val.reverse() start_index = [None] * (len(T) + 1) lo, hi = float('-inf'), 0 for i, c in enumerate(S): start_index[-1] = i for p in pre[c]: if start_index[p] is not None: start_index[p + 1] = start_index[p] if (c == T[-1] and start_index[-2] is not None and i - start_index[-2] < hi - lo): lo, hi = start_index[-2], i if lo < 0: return '' else: return S[lo:hi+1] # print(Solution().minWindow("abcdebdde", "bde"))<|fim▁hole|># print(Solution().minWindow("nkzcnhczmccqouqadqtmjjzltgdzthm", "bt")) print(Solution().minWindow("cnhczmccqouqadqtmjjzl", "mm"))<|fim▁end|>
<|file_name|>727. Minimum Window Subsequence.py<|end_file_name|><|fim▁begin|>from collections import defaultdict class Solution(object): <|fim_middle|> # print(Solution().minWindow("abcdebdde", "bde")) # print(Solution().minWindow("nkzcnhczmccqouqadqtmjjzltgdzthm", "bt")) print(Solution().minWindow("cnhczmccqouqadqtmjjzl", "mm")) <|fim▁end|>
def minWindow(self, S, T): """ :type S: str :type T: str :rtype: str """ pre = defaultdict(list) for i, c in enumerate(T, -1): pre[c].append(i) for val in pre.values(): val.reverse() start_index = [None] * (len(T) + 1) lo, hi = float('-inf'), 0 for i, c in enumerate(S): start_index[-1] = i for p in pre[c]: if start_index[p] is not None: start_index[p + 1] = start_index[p] if (c == T[-1] and start_index[-2] is not None and i - start_index[-2] < hi - lo): lo, hi = start_index[-2], i if lo < 0: return '' else: return S[lo:hi+1]
<|file_name|>727. Minimum Window Subsequence.py<|end_file_name|><|fim▁begin|>from collections import defaultdict class Solution(object): def minWindow(self, S, T): <|fim_middle|> # print(Solution().minWindow("abcdebdde", "bde")) # print(Solution().minWindow("nkzcnhczmccqouqadqtmjjzltgdzthm", "bt")) print(Solution().minWindow("cnhczmccqouqadqtmjjzl", "mm")) <|fim▁end|>
""" :type S: str :type T: str :rtype: str """ pre = defaultdict(list) for i, c in enumerate(T, -1): pre[c].append(i) for val in pre.values(): val.reverse() start_index = [None] * (len(T) + 1) lo, hi = float('-inf'), 0 for i, c in enumerate(S): start_index[-1] = i for p in pre[c]: if start_index[p] is not None: start_index[p + 1] = start_index[p] if (c == T[-1] and start_index[-2] is not None and i - start_index[-2] < hi - lo): lo, hi = start_index[-2], i if lo < 0: return '' else: return S[lo:hi+1]