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import os, socket, threading, sys |
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host = "0.0.0.0" |
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port = int(os.getenv("PORT", "5678")) |
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print("listening on", host, port) |
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print("hostname:", socket.gethostname()) |
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try: |
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print("local ips:", socket.gethostbyname_ex(socket.gethostname())[2]) |
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except Exception as e: |
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print("ip lookup error:", e) |
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sys.stdout.flush() |
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def handle_client(conn, addr): |
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print("client connected:", addr) |
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try: |
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while True: |
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data = conn.recv(1024) |
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if not data: |
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break |
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print("received:", data.decode(errors="ignore").strip()) |
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conn.sendall(data) |
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except Exception as err: |
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print("error:", err) |
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finally: |
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conn.close() |
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print("client disconnected:", addr) |
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as srv: |
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srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) |
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srv.bind((host, port)) |
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srv.listen() |
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while True: |
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conn, addr = srv.accept() |
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threading.Thread(target=handle_client, args=(conn, addr), daemon=True).start() |
