server.getConnections(callback)

• callback <Function>

• 返回：<net.Server>

  ¥Returns: <net.Server>

异步获取服务器上的并发连接数。当套接字被发送到复刻时工作。

¥Asynchronously get the number of concurrent connections on the server. Works when sockets were sent to forks.

回调应该采用两个参数 err 和 count。

¥Callback should take two arguments err and count.