이제 클라이언트 접속시 고유 번호(id)를 할당받음

js/main.js

@@ -17,6 +17,7 @@ var config = {
 };
 
 var game = new Phaser.Game(config)
+var playerNum = -1;
 
 // load assets
 function preload()
@@ -45,8 +46,11 @@ function update()
     });
 }
 
+// client side
 var socket = io.connect();
-socket.on('hi', function(msg) {
-    console.log(msg);
+socket.on('idSet', function(msg) // {str, num}
+{
+    console.log(msg.str);
+    this.playerNum = msg.num;
 });
-socket.emit('hello');
\ No newline at end of file
+socket.emit('idRequest');
\ No newline at end of file

server.js

@@ -16,10 +16,35 @@ server.listen(80, function() {
     console.log('Listening on port ' + server.address().port);
 });
 
+var GameServer = GameServer || {};
+
+GameServer.waitingRoom = [];
+
+GameServer.getPlayerNumber = function()
+{
+    do
+    {
+        var num = Math.floor(Math.random() * 1000 + 1);
+        if (!this.waitingRoom.includes(num)) return num;
+    } while (true)
+}
+
 // 클라이언트 요청에 대한 콜백 정의
-io.on('connection', function(socket) {
-    socket.on('hello', function() {
-        console.log('client request');
-        socket.emit('hi', 'Hello, Client!');
+io.on('connection', function(socket) 
+{
+    socket.on('idRequest', function() {
+        var playerSocket = 
+        {
+            id: GameServer.getPlayerNumber(),
+            socketId: socket
+        }
+        GameServer.waitingRoom.push(playerSocket);
+        console.log('client request, id: ' + playerSocket.id);
+        socket.emit('idSet', 
+        {
+            str: 'your number is ' + playerSocket.id,
+            num: playerSocket.id
         });
+    });
+
 });
\ No newline at end of file