outgoingMessage.setTimeout(msecs[, callback])

• msecs <number>
• callback <Function> 可选函数，在超时发生时调用。与绑定 timeout 事件相同。
• 返回：<this>

一旦套接字与消息关联并且已连接，socket.setTimeout() 将被调用，第一个参数为 msecs。

【Once a socket is associated with the message and is connected, socket.setTimeout() will be called with msecs as the first parameter.】