初始提交

server/io.js

@@ -0,0 +1,50 @@
+let io = null;
+
+module.exports = {
+  init: (httpServer) => {
+    io = require('socket.io')(httpServer, {
+      cors: {
+        origin: "*",
+        methods: ["GET", "POST"]
+      }
+    });
+
+    io.engine.on('connection_error', (err) => {
+      try {
+        const ctx = err && err.context ? err.context : null;
+        const req = ctx && ctx.req ? ctx.req : null;
+        const headers = req && req.headers ? req.headers : {};
+        console.log('Socket connection error:', {
+          code: err && err.code,
+          message: err && err.message,
+          url: req && req.url,
+          transport: ctx && ctx.transport,
+          host: headers && headers.host,
+          origin: headers && headers.origin
+        });
+      } catch (e) {
+        console.log('Socket connection error');
+      }
+    });
+    
+    io.on('connection', (socket) => {
+      console.log('Client connected:', socket.id);
+      socket.on('disconnect', () => {
+        console.log('Client disconnected:', socket.id);
+      });
+    });
+    
+    return io;
+  },
+  getIO: () => {
+    if (!io) {
+      throw new Error("Socket.io not initialized!");
+    }
+    return io;
+  },
+  emit: (event, data) => {
+      if (io) {
+          io.emit(event, data);
+      }
+  }
+};