File size: 6,030 Bytes
47f5399
 
 
 
4bf0c24
47f5399
4bf0c24
 
 
 
 
 
 
47f5399
4bf0c24
47f5399
 
 
 
 
 
4bf0c24
 
 
 
 
b31641d
47f5399
 
 
 
4bf0c24
47f5399
 
 
 
 
 
 
 
 
 
 
 
b31641d
 
47f5399
 
4bf0c24
47f5399
4bf0c24
 
47f5399
 
 
 
4bf0c24
47f5399
4bf0c24
 
b31641d
4bf0c24
b31641d
 
 
4bf0c24
 
b31641d
4bf0c24
 
 
b31641d
4bf0c24
 
 
 
 
 
 
b31641d
4bf0c24
 
 
b31641d
 
47f5399
4bf0c24
 
 
 
 
 
 
 
 
 
b31641d
47f5399
b31641d
 
 
 
 
 
4bf0c24
 
 
 
b31641d
4bf0c24
 
 
 
 
 
 
47f5399
b31641d
4bf0c24
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
b31641d
 
4bf0c24
 
 
 
 
 
 
47f5399
 
4bf0c24
 
47f5399
 
4bf0c24
47f5399
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8" />
  <title>管理ページ(IP・接続時間表示 + 地図表示)</title>
  <script src="https://cdn.socket.io/4.0.1/socket.io.min.js"></script>
  <link
    rel="stylesheet"
    href="https://unpkg.com/[email protected]/dist/leaflet.css"
  />
  <script
    src="https://unpkg.com/[email protected]/dist/leaflet.js"
  ></script>
  <style>
    table { border-collapse: collapse; width: 100%; margin-bottom: 20px;}
    th, td { border: 1px solid #ccc; padding: 8px; text-align: left; }
    th { background-color: #eee; }
    .highlight {
      background-color: #f99;
      transition: background-color 1s ease;
    }
    #map {
      height: 400px;
      width: 100%;
      margin-top: 20px;
      border: 1px solid #ccc;
    }
  </style>
</head>
<body>
  <h1>現在の接続ユーザー数: <span id="userCount">0</span></h1>
  <div>更新はページ再読み込みで行います。</div>
  <table>
    <thead>
      <tr>
        <th>Socket ID</th>
        <th>IPアドレス</th>
        <th>接続時間</th>
        <th>切断時間</th>
      </tr>
    </thead>
    <tbody id="userTableBody"></tbody>
  </table>

  <div id="map"></div>

  <script>
    const socket = io("https://web-socket-server-14ap.onrender.com/");

    const STORAGE_KEY = "userSessions";

    // 前回セッション情報
    let previousSessions = JSON.parse(localStorage.getItem(STORAGE_KEY) || "{}");

    const userCountElem = document.getElementById("userCount");
    const tbody = document.getElementById("userTableBody");
    const mapDiv = document.getElementById("map");

    // Leafletマップ初期化
    const map = L.map('map').setView([35.681236, 139.767125], 5); // 東京を中心に
    L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
      maxZoom: 18,
      attribution: '© OpenStreetMap contributors'
    }).addTo(map);

    // マーカー管理用(socketId => marker)
    let markers = {};

    // IPアドレスから緯度経度を取得(ip-api.comを使用)
    async function fetchGeo(ip) {
      if(!ip || ip === "-") return null;
      try {
        const response = await fetch(`https://ip-api.com/json/${ip}?fields=status,message,lat,lon`);
        const data = await response.json();
        if(data.status === "success") {
          return { lat: data.lat, lon: data.lon };
        } else {
          console.warn(`IP位置情報取得失敗: ${ip} - ${data.message}`);
          return null;
        }
      } catch (e) {
        console.error("IP位置情報取得エラー", e);
        return null;
      }
    }

    // マーカーの色を指定するためのCircleMarkerを作る関数
    function createCircleMarker(lat, lon, color, popupText) {
      return L.circleMarker([lat, lon], {
        radius: 8,
        fillColor: color,
        color: '#000',
        weight: 1,
        opacity: 1,
        fillOpacity: 0.8
      }).bindPopup(popupText);
    }

    socket.on("updateUserCount", (count) => {
      userCountElem.textContent = count;
    });

    socket.on("userSessionsUpdate", async (userSessions) => {
      tbody.innerHTML = "";

      // まず、すべてのマーカーを地図から削除
      for(let key in markers) {
        map.removeLayer(markers[key]);
      }
      markers = {};

      // すべてのIP位置取得を並列で実施
      const positions = {};
      await Promise.all(Object.entries(userSessions).map(async ([socketId, info]) => {
        positions[socketId] = await fetchGeo(info.ip);
      }));

      for (const [socketId, info] of Object.entries(userSessions)) {
        const tr = document.createElement("tr");

        function createTd(text, elementKey) {
          const td = document.createElement("td");
          td.textContent = text;

          const prevValue = previousSessions[socketId] ? previousSessions[socketId][elementKey] : undefined;
          const currValue = info[elementKey];

          let changed = prevValue !== currValue;

          if (changed) {
            td.classList.add("highlight");
            setTimeout(() => td.classList.remove("highlight"), 1000);
          }

          return td;
        }

        tr.appendChild(createTd(socketId, "socketId")); 
        tr.appendChild(createTd(info.ip || "-", "ip"));
        tr.appendChild(createTd(info.connectTime ? new Date(info.connectTime).toLocaleString() : "-", "connectTime"));
        tr.appendChild(createTd(info.disconnectTime ? new Date(info.disconnectTime).toLocaleString() : "-", "disconnectTime"));

        tbody.appendChild(tr);

        // 位置情報が取得できた場合、マーカー表示
        const pos = positions[socketId];
        if(pos) {
          // 前回位置と比較(緯度経度を比較)
          const prevPos = previousSessions[socketId]?.geoPosition;
          let changedPos = true;
          if(prevPos && Math.abs(prevPos.lat - pos.lat) < 0.0001 && Math.abs(prevPos.lon - pos.lon) < 0.0001) {
            changedPos = false;
          }

          // 色を決定:変化あれば赤丸、なければ黒丸
          const color = changedPos ? 'red' : 'black';

          const marker = createCircleMarker(pos.lat, pos.lon, color, `SocketID: ${socketId}<br>IP: ${info.ip || "-"}`);
          marker.addTo(map);
          markers[socketId] = marker;
        }
      }

      // 今回のデータにジオ位置も追加してlocalStorageに保存
      const sessionsToStore = {};
      for(const [socketId, info] of Object.entries(userSessions)) {
        sessionsToStore[socketId] = {
          ...info,
          geoPosition: positions[socketId] || null
        };
      }

      localStorage.setItem(STORAGE_KEY, JSON.stringify(sessionsToStore));
      previousSessions = sessionsToStore;
    });

    // 初回ロード時に前回のセッションを表示(あるなら)
    if (Object.keys(previousSessions).length > 0) {
      socket.emit("userSessionsUpdate", previousSessions);
    }
  </script>
</body>
</html>