'connection' 事件
socket
<stream.Duplex>
当建立新的 TCP 流时会触发此事件。
socket
通常是 net.Socket
类型的对象。
通常用户不会想访问这个事件。
此事件也可以由用户显式发出,以将连接注入 HTTP 服务器。
在这种情况下,任何 Duplex
流都可以通过。
socket
<stream.Duplex>
This event is emitted when a new TCP stream is established. socket
is
typically an object of type net.Socket
. Usually users will not want to
access this event.
This event can also be explicitly emitted by users to inject connections
into the HTTP server. In that case, any Duplex
stream can be passed.