init pages service

server/socket.js

@@ -0,0 +1,49 @@
+/**
+ * 
+ * @authors Tony.Deng (dengtongyu123@163.com)
+ * @date    2017-06-01 11:00:22
+ * @version $Id$
+ */
+
+
+module.exports = function(server) {
+
+	const io = require('socket.io')(server,{
+		origin:'*'
+	});
+
+	let onlineUsers = 0;
+
+	const chat = io.of('/chat').on('connection', function(socket){
+
+		console.log('a user connected');
+
+		socket.on('client_chat_message', function(data){
+			console.log(data);
+		    chat.emit('broadcast_chat_message', data);
+		});
+
+		socket.on('client_get_online_users', function(data){
+			data.onlineUsers = onlineUsers;
+			console.log(data);
+			//单播
+		    socket.emit('broadcast_online_users', data);
+		});
+
+		
+	});
+
+	function getOnlineUsers() {
+		setTimeout(function(){
+			let clients = Object.keys(io.engine.clients).length;
+			if(onlineUsers != clients) {
+				onlineUsers = clients;
+				chat.emit('online_users_change', {onlineUsers:onlineUsers});
+			}
+			getOnlineUsers();
+		},1000);
+	} 
+	
+	getOnlineUsers();
+
+}