Initial commit: Shattered Void MMO foundation
- Complete PostgreSQL database schema with 21+ tables - Express.js server with dual authentication (player/admin) - WebSocket support for real-time features - Comprehensive middleware (auth, validation, logging, security) - Game systems: colonies, resources, fleets, research, factions - Plugin-based combat architecture - Admin panel foundation - Production-ready logging and error handling - Docker support and CI/CD ready - Complete project structure following CLAUDE.md patterns 🤖 Generated with Claude Code (https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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MegaProxy
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321
src/config/websocket.js
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321
src/config/websocket.js
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/**
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* WebSocket Configuration and Connection Management
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* Handles Socket.IO server initialization and connection management
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*/
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const { Server } = require('socket.io');
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const logger = require('../utils/logger');
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// Configuration
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const WEBSOCKET_CONFIG = {
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cors: {
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origin: process.env.WEBSOCKET_CORS_ORIGIN?.split(',') || ['http://localhost:3000', 'http://localhost:3001'],
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methods: ['GET', 'POST'],
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credentials: true
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},
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pingTimeout: parseInt(process.env.WEBSOCKET_PING_TIMEOUT) || 20000,
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pingInterval: parseInt(process.env.WEBSOCKET_PING_INTERVAL) || 25000,
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maxHttpBufferSize: parseInt(process.env.WEBSOCKET_MAX_BUFFER_SIZE) || 1e6, // 1MB
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transports: ['websocket', 'polling'],
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allowEIO3: true,
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compression: true,
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httpCompression: true
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};
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let io = null;
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let connectionCount = 0;
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const connectedClients = new Map();
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/**
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* Initialize WebSocket server
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* @param {Object} server - HTTP server instance
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* @returns {Promise<Object>} Socket.IO server instance
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*/
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async function initializeWebSocket(server) {
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try {
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if (io) {
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logger.info('WebSocket server already initialized');
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return io;
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}
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// Create Socket.IO server
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io = new Server(server, WEBSOCKET_CONFIG);
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// Set up middleware for authentication and logging
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io.use(async (socket, next) => {
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const correlationId = socket.handshake.query.correlationId || require('uuid').v4();
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socket.correlationId = correlationId;
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logger.info('WebSocket connection attempt', {
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correlationId,
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socketId: socket.id,
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ip: socket.handshake.address,
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userAgent: socket.handshake.headers['user-agent']
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});
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next();
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});
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// Connection event handler
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io.on('connection', (socket) => {
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connectionCount++;
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connectedClients.set(socket.id, {
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connectedAt: new Date(),
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ip: socket.handshake.address,
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userAgent: socket.handshake.headers['user-agent'],
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playerId: null, // Will be set after authentication
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rooms: new Set()
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});
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logger.info('WebSocket client connected', {
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correlationId: socket.correlationId,
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socketId: socket.id,
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totalConnections: connectionCount,
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ip: socket.handshake.address
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});
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// Set up event handlers
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setupSocketEventHandlers(socket);
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// Handle disconnection
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socket.on('disconnect', (reason) => {
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connectionCount--;
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const clientInfo = connectedClients.get(socket.id);
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connectedClients.delete(socket.id);
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logger.info('WebSocket client disconnected', {
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correlationId: socket.correlationId,
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socketId: socket.id,
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reason,
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totalConnections: connectionCount,
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playerId: clientInfo?.playerId,
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connectionDuration: clientInfo ? Date.now() - clientInfo.connectedAt : 0
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});
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});
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// Handle connection errors
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socket.on('error', (error) => {
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logger.error('WebSocket connection error', {
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correlationId: socket.correlationId,
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socketId: socket.id,
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error: error.message,
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stack: error.stack
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});
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});
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});
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// Server-level error handling
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io.engine.on('connection_error', (error) => {
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logger.error('WebSocket connection error:', {
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message: error.message,
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code: error.code,
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context: error.context
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});
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});
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logger.info('WebSocket server initialized successfully', {
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maxConnections: process.env.WEBSOCKET_MAX_CONNECTIONS || 'unlimited',
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pingTimeout: WEBSOCKET_CONFIG.pingTimeout,
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pingInterval: WEBSOCKET_CONFIG.pingInterval
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});
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return io;
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} catch (error) {
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logger.error('Failed to initialize WebSocket server:', error);
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throw error;
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}
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}
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/**
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* Set up event handlers for individual socket connections
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* @param {Object} socket - Socket.IO socket instance
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*/
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function setupSocketEventHandlers(socket) {
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// Player authentication
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socket.on('authenticate', async (data) => {
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try {
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logger.info('WebSocket authentication attempt', {
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correlationId: socket.correlationId,
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socketId: socket.id,
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playerId: data?.playerId
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});
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// TODO: Implement JWT token validation
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// For now, just acknowledge
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socket.emit('authenticated', {
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success: true,
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message: 'Authentication successful'
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});
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// Update client information
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if (connectedClients.has(socket.id)) {
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connectedClients.get(socket.id).playerId = data?.playerId;
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}
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} catch (error) {
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logger.error('WebSocket authentication error', {
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correlationId: socket.correlationId,
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socketId: socket.id,
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error: error.message
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});
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socket.emit('authentication_error', {
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success: false,
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message: 'Authentication failed'
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});
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}
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});
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// Join room (for game features like galaxy regions, player groups, etc.)
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socket.on('join_room', (roomName) => {
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if (typeof roomName !== 'string' || roomName.length > 50) {
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socket.emit('error', { message: 'Invalid room name' });
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return;
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}
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socket.join(roomName);
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const clientInfo = connectedClients.get(socket.id);
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if (clientInfo) {
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clientInfo.rooms.add(roomName);
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}
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logger.info('Client joined room', {
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correlationId: socket.correlationId,
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socketId: socket.id,
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room: roomName,
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playerId: clientInfo?.playerId
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});
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socket.emit('room_joined', { room: roomName });
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});
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// Leave room
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socket.on('leave_room', (roomName) => {
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socket.leave(roomName);
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const clientInfo = connectedClients.get(socket.id);
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if (clientInfo) {
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clientInfo.rooms.delete(roomName);
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}
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logger.info('Client left room', {
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correlationId: socket.correlationId,
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socketId: socket.id,
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room: roomName,
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playerId: clientInfo?.playerId
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});
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socket.emit('room_left', { room: roomName });
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});
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// Ping/pong for connection testing
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socket.on('ping', () => {
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socket.emit('pong', { timestamp: Date.now() });
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});
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// Generic message handler (for debugging)
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socket.on('message', (data) => {
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logger.debug('WebSocket message received', {
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correlationId: socket.correlationId,
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socketId: socket.id,
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data: typeof data === 'object' ? JSON.stringify(data) : data
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});
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});
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}
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/**
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* Get WebSocket server instance
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* @returns {Object|null} Socket.IO server instance
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*/
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function getWebSocketServer() {
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return io;
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}
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/**
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* Get connection statistics
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* @returns {Object} Connection statistics
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*/
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function getConnectionStats() {
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return {
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totalConnections: connectionCount,
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authenticatedConnections: Array.from(connectedClients.values())
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.filter(client => client.playerId).length,
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anonymousConnections: Array.from(connectedClients.values())
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.filter(client => !client.playerId).length,
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rooms: io ? Array.from(io.sockets.adapter.rooms.keys()) : []
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};
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}
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/**
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* Broadcast message to all connected clients
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* @param {string} event - Event name
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* @param {Object} data - Data to broadcast
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*/
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function broadcastToAll(event, data) {
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if (!io) {
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logger.warn('Attempted to broadcast but WebSocket server not initialized');
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return;
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}
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io.emit(event, data);
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logger.info('Broadcast sent to all clients', {
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event,
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recipientCount: connectionCount
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});
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}
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/**
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* Broadcast message to specific room
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* @param {string} room - Room name
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* @param {string} event - Event name
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* @param {Object} data - Data to broadcast
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*/
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function broadcastToRoom(room, event, data) {
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if (!io) {
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logger.warn('Attempted to broadcast to room but WebSocket server not initialized');
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return;
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}
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io.to(room).emit(event, data);
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logger.info('Broadcast sent to room', {
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room,
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event,
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recipientCount: io.sockets.adapter.rooms.get(room)?.size || 0
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});
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}
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/**
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* Close WebSocket server gracefully
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* @returns {Promise<void>}
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*/
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async function closeWebSocket() {
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if (!io) return;
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try {
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// Disconnect all clients
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io.disconnectSockets();
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// Close server
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io.close();
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io = null;
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connectionCount = 0;
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connectedClients.clear();
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logger.info('WebSocket server closed gracefully');
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} catch (error) {
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logger.error('Error closing WebSocket server:', error);
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throw error;
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}
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}
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module.exports = {
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initializeWebSocket,
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getWebSocketServer,
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getConnectionStats,
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broadcastToAll,
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broadcastToRoom,
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closeWebSocket
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};
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