var?app?=?require('http').createServer()
var?io?=?require('socket.io')(app);

var?PORT?=?3000;

//客戶端計數
var?clientCount?=?0;

//存儲客戶端socket
var?socketMap?=?{};

app.listen(PORT);

io.on('connection',?function?(socket)?{

//?這個進不去，coonection?失敗，連不上socket.io

????clientCount?+=?1;
????socket.clientNum?=?clientCount;
????socketMap[clientCount]?=?socket;

????console.log(clientCount);

????if(clientCount?%?2?==?1)?{
????????socket.emit('wwaiting',?'waitiong?for?another?person');
????}else?{
????????socket.emit('start');
????????socketMap[(clientCount?-?1)].emit('start');
????}

????socket.on('disconnect',?function()?{

????});

????socket.emit('news',?{?hello:?'world'?});
????socket.on('my?other?event',?function?(data)?{
????????console.log(data);
????});
});

console.log('websocket?listening?on?port?'?+?PORT);