Create app.js

socket_io_chatting_sendToAllOnly/app.js

@@ -0,0 +1,27 @@
+
+/**
+ * Module dependencies.
+ */
+
+var express = require('express');
+var routes = require('./routes');
+var http = require('http');
+var path = require('path');
+
+var app = express();
+app.use(express.static(path.join(__dirname, 'public')));
+
+var httpServer =http.createServer(app).listen(8080, function(req,res){
+  console.log('Socket IO server has been started');
+});
+// upgrade http server to socket.io server
+var io = require('socket.io').listen(httpServer);
+
+io.sockets.on('connection',function(socket){
+   socket.emit('toclient',{msg:'Welcome !'});
+   socket.on('fromclient',function(data){
+       socket.broadcast.emit('toclient',data); // 자신을 제외하고 다른 클라이언트에게 보냄
+       socket.emit('toclient',data); // 해당 클라이언트에게만 보냄. 다른 클라이언트에 보낼려면?
+       console.log('Message from client :'+data.msg);
+   })
+});