通过Socket发送/接收消息:
var socket = new BK.Socket(0);
var connect = socket.connect('127.0.0.1', 9527);
var update = socket.update();
// current socket is readable andr writable
if(update == 3) {
var buff = new BK.Buffer(4);
buff.writeUint32Buffer(1234);
socket.send(buff); //how to send
//buff = socket.recv(4); //how to recv
}