socket.destroySoon()

在所有数据写入后销毁套接字。如果 'finish' 事件已经触发，套接字会立即被销毁。如果套接字仍然可写，它会隐式调用 socket.end()。

【Destroys the socket after all data is written. If the 'finish' event was already emitted the socket is destroyed immediately. If the socket is still writable it implicitly calls socket.end().】