'drop' 事件
当连接数达到 server.maxConnections
的阈值时,服务器将丢弃新的连接并触发 'drop'
事件。
如果是 TCP 服务器,参数如下,否则参数为 undefined
。
When the number of connections reaches the threshold of server.maxConnections
,
the server will drop new connections and emit 'drop'
event instead. If it is a
TCP server, the argument is as follows, otherwise the argument is undefined
.