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| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 | import createObjectRouter from '../src/api/router.js'; import http from 'http'; // Define routes using configuration objects with 'ws' property const routes = { // Regular HTTP routes '/': { get: { handler: (req, res) => { res.writeHead(200, { 'Content-Type': 'text/html' }); res.end(` <!DOCTYPE html> <html> <head> <title>WebSocket Config Routing Demo</title> <style> body { font-family: Arial, sans-serif; margin: 40px; } .container { max-width: 800px; margin: 0 auto; } .section { margin: 20px 0; padding: 20px; border: 1px solid #ddd; border-radius: 5px; } .messages { height: 200px; overflow-y: auto; border: 1px solid #ccc; padding: 10px; margin: 10px 0; } input, button { padding: 8px; margin: 5px; } .status { font-weight: bold; } .connected { color: green; } .disconnected { color: red; } </style> </head> <body> <div class="container"> <h1>WebSocket Configuration Routing Demo</h1> <div class="section"> <h2>Chat Room (Config-based WebSocket)</h2> <div class="status" id="chatStatus">Disconnected</div> <div class="messages" id="chatMessages"></div> <input type="text" id="chatInput" placeholder="Type a message..." /> <button onclick="sendChatMessage()">Send</button> <button onclick="connectChat()">Connect</button> <button onclick="disconnectChat()">Disconnect</button> </div> <div class="section"> <h2>Notifications (Config-based WebSocket)</h2> <div class="status" id="notifStatus">Disconnected</div> <div class="messages" id="notifMessages"></div> <button onclick="connectNotifications()">Connect</button> <button onclick="disconnectNotifications()">Disconnect</button> </div> <div class="section"> <h2>User Channel (Config-based WebSocket with Parameters)</h2> <input type="text" id="userId" placeholder="Enter user ID" value="123" /> <div class="status" id="userStatus">Disconnected</div> <div class="messages" id="userMessages"></div> <button onclick="connectUser()">Connect</button> <button onclick="disconnectUser()">Disconnect</button> </div> </div> <script> let chatWs = null; let notifWs = null; let userWs = null; function addMessage(containerId, message) { const container = document.getElementById(containerId); const div = document.createElement('div'); div.textContent = new Date().toLocaleTimeString() + ': ' + message; container.appendChild(div); container.scrollTop = container.scrollHeight; } function updateStatus(statusId, connected) { const status = document.getElementById(statusId); status.textContent = connected ? 'Connected' : 'Disconnected'; status.className = 'status ' + (connected ? 'connected' : 'disconnected'); } // Generate a unique user ID for this session const userId = 'User' + Math.floor(Math.random() * 1000); // Chat functions function connectChat() { console.log('Connect chat button clicked'); if (chatWs) { console.log('Chat WebSocket already exists'); return; } console.log('Creating new chat WebSocket'); chatWs = new WebSocket('ws://localhost:3004/ws/chat'); chatWs.onopen = () => { console.log('Chat WebSocket opened'); updateStatus('chatStatus', true); addMessage('chatMessages', 'Connected to chat as ' + userId); // Send user ID to server immediately for join message chatWs.send(JSON.stringify({ userId: userId, message: '' })); }; chatWs.onmessage = (event) => { console.log('Received chat message:', event.data); addMessage('chatMessages', event.data); }; chatWs.onclose = () => { console.log('Chat WebSocket closed, updating status'); updateStatus('chatStatus', false); addMessage('chatMessages', 'Disconnected from chat'); chatWs = null; }; chatWs.onerror = (error) => { console.log('Chat WebSocket error:', error); }; } function disconnectChat() { if (chatWs) { console.log('Disconnecting chat WebSocket'); updateStatus('chatStatus', false); addMessage('chatMessages', 'Disconnecting from chat...'); // Send disconnect message before closing try { chatWs.send(JSON.stringify({ userId: userId, message: 'DISCONNECT' })); } catch (e) { console.log('Could not send disconnect message:', e); } chatWs.close(); chatWs = null; } } function sendChatMessage() { const input = document.getElementById('chatInput'); if (chatWs && input.value.trim()) { // Send message with user ID const messageData = JSON.stringify({ userId: userId, message: input.value.trim() }); chatWs.send(messageData); input.value = ''; } } // Notifications functions function connectNotifications() { if (notifWs) return; notifWs = new WebSocket('ws://localhost:3004/ws/notifications'); notifWs.onopen = () => { updateStatus('notifStatus', true); addMessage('notifMessages', 'Connected to notifications'); }; notifWs.onmessage = (event) => { addMessage('notifMessages', event.data); }; notifWs.onclose = () => { console.log('Notifications WebSocket closed, updating status'); updateStatus('notifStatus', false); addMessage('notifMessages', 'Disconnected from notifications'); notifWs = null; }; } function disconnectNotifications() { console.log('Disconnect notifications button clicked'); if (notifWs) { console.log('Closing notifications WebSocket'); // Update status immediately when disconnect is clicked updateStatus('notifStatus', false); addMessage('notifMessages', 'Disconnected from notifications'); notifWs.close(); notifWs = null; } else { console.log('No notifications WebSocket to close'); } } // User channel functions function connectUser() { if (userWs) return; const userId = document.getElementById('userId').value || '123'; userWs = new WebSocket(\`ws://localhost:3004/ws/user/\${userId}\`); userWs.onopen = () => { updateStatus('userStatus', true); addMessage('userMessages', \`Connected to user channel \${userId}\`); }; userWs.onmessage = (event) => { addMessage('userMessages', event.data); }; userWs.onclose = () => { console.log('User WebSocket closed, updating status'); updateStatus('userStatus', false); addMessage('userMessages', 'Disconnected from user channel'); userWs = null; }; } function disconnectUser() { console.log('Disconnect user button clicked'); if (userWs) { console.log('Closing user WebSocket'); // Update status immediately when disconnect is clicked updateStatus('userStatus', false); addMessage('userMessages', 'Disconnected from user channel'); userWs.close(); userWs = null; } else { console.log('No user WebSocket to close'); } } // Allow Enter key to send chat messages document.getElementById('chatInput').addEventListener('keypress', function(e) { if (e.key === 'Enter') { sendChatMessage(); } }); </script> </body> </html> `); } } }, // WebSocket routes defined using configuration objects 'ws': { 'chat': { ws: (ws) => { console.log('Chat WebSocket connected via config routing'); let userIdForConnection = null; ws.send('Welcome to the config-based chat room!'); ws.onmessage = (event) => { try { const data = JSON.parse(event.data); // Store user ID for disconnect message on first message if (!userIdForConnection) { userIdForConnection = data.userId; router.broadcast('/ws/chat', data.userId + ' joined the chat'); } // Handle disconnect message if (data.message === 'DISCONNECT') { console.log('Received disconnect message from', data.userId); router.broadcast('/ws/chat', data.userId + ' left the chat', ws.id); return; } // Only broadcast if there's an actual message (not empty join message) if (data.message && data.message.trim()) { console.log('Config chat message from', data.userId + ':', data.message); router.broadcast('/ws/chat', data.userId + ': ' + data.message); } } catch { // Fallback for plain text messages const message = event.data; console.log('Config chat message:', message); router.broadcast('/ws/chat', 'User: ' + message); } }; ws.onclose = () => { console.log('Config chat connection closed, broadcasting disconnect message'); const disconnectMessage = userIdForConnection ? userIdForConnection + ' left the chat' : 'A user left the chat'; console.log('Broadcasting disconnect message:', disconnectMessage); console.log('Active connections before broadcast:', router.wsConnections.size); router.broadcast('/ws/chat', disconnectMessage, ws.id); console.log('Disconnect message broadcasted'); }; } }, 'notifications': { ws: (ws) => { console.log('Notifications WebSocket connected via config routing'); ws.send('Connected to config-based notifications'); // Send periodic notifications const interval = setInterval(() => { if (ws.readyState === 1) { const notifications = [ 'New message received', 'System update available', 'Your report is ready', 'Meeting reminder: 15 minutes', 'New comment on your post' ]; const randomNotif = notifications[Math.floor(Math.random() * notifications.length)]; ws.send(`📢 ${randomNotif}`); } else { clearInterval(interval); } }, 3000); ws.socket.on('close', () => { console.log('Config notifications connection closed'); clearInterval(interval); }); } }, 'user': { ':userId': { ws: (ws, request) => { const userId = request.params.userId; console.log(`User-specific WebSocket connected for user ${userId} via config routing`); ws.send(`Welcome user ${userId}! This is your personal channel.`); // Send user-specific updates const interval = setInterval(() => { if (ws.readyState === 1) { const updates = [ `User ${userId}: Your profile was viewed`, `User ${userId}: New friend request`, `User ${userId}: Task completed`, `User ${userId}: Achievement unlocked!` ]; const randomUpdate = updates[Math.floor(Math.random() * updates.length)]; ws.send(randomUpdate); } else { clearInterval(interval); } }, 4000); ws.socket.on('close', () => { console.log(`Config user ${userId} connection closed`); clearInterval(interval); }); } } } }, // Admin routes for monitoring 'admin': { 'ws': { 'connections': { get: { handler: (req, res) => { const connections = router.getWebSocketConnections(); res.writeHead(200, { 'Content-Type': 'application/json' }); res.end(JSON.stringify(connections, null, 2)); } } }, 'broadcast': { post: { handler: (req, res) => { let body = ''; req.on('data', chunk => body += chunk); req.on('end', () => { try { const { path, message } = JSON.parse(body); router.broadcast(path, message); res.writeHead(200, { 'Content-Type': 'application/json' }); res.end(JSON.stringify({ success: true, broadcasted: message })); } catch { res.writeHead(400, { 'Content-Type': 'application/json' }); res.end(JSON.stringify({ error: 'Invalid JSON' })); } }); } } } }, 'metrics': { get: { handler: (req, res) => { res.writeHead(200, { 'Content-Type': 'application/json' }); res.end(JSON.stringify(router.metrics, null, 2)); } } } } }; const router = createObjectRouter(routes, { enableWebSockets: true }); // Create HTTP server const server = http.createServer((req, res) => { router.handle(req, res); }); // Handle WebSocket upgrades server.on('upgrade', (request, socket, head) => { router.handleWebSocketUpgrade(request, socket, head); }); const PORT = 3004; server.listen(PORT, () => { console.log(`WebSocket config routing demo server running on http://localhost:${PORT}`); console.log('Available endpoints:'); console.log(' GET / - Demo page'); console.log(' WS /ws/chat - Chat room (config-based)'); console.log(' WS /ws/notifications - Real-time notifications (config-based)'); console.log(' WS /ws/user/:userId - User-specific channel (config-based)'); console.log(' GET /admin/ws/connections - List active connections'); console.log(' POST /admin/ws/broadcast - Broadcast message'); console.log(' GET /admin/metrics - Performance metrics'); }); |