C# 关闭和清理 Socket 连接的正确方法是什么？
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What is the proper way of closing and cleaning up a Socket connection?
提问by AngryHacker
I am a bit confused by the cornucopia of related methods on the Socket object that supposedly close and clean up a socket connection. Consider the following:
我对 Socket 对象上的相关方法的聚宝盆感到有些困惑，这些方法据称可以关闭和清理套接字连接。考虑以下：
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect("192.168.1.22", 8333);
socket.Send(Encoding.UTF8.GetBytes("hello"));
// now for the closing fun
socket.Shutdown(SocketShutdown.Both);
socket.Disconnect(false);
socket.Close();
socket.Dispose();
In addition, this guysays that to really cleanly close a connection, one must execute socket.Shutdown(SocketShudown.Send), then wait for the other side to respond.
另外，这家伙说要真正彻底关闭连接，必须先执行socket.Shutdown(SocketShudown.Send)，然后等待对方响应。
What is the correct way to close, then clean up a socket connection?
关闭然后清理套接字连接的正确方法是什么？
采纳答案by Nikita B
Closing socket closes the connection, and Close is a wrapper-method around Dispose, so generally
Closing socket关闭连接，Close是Dispose的封装方法，所以一般
socket.Shutdown(SocketShutdown.Both);
socket.Close();
should be enough. Some might argue, that Close implementation might change one day (so it no longer calls Dispose), and you should call Dispose manually after calling Close, but i doubt thats gonna happen, personally :)
应该够了。有些人可能会争辩说，Close 的实现有一天可能会改变（因此它不再调用 Dispose），您应该在调用 Close 后手动调用 Dispose，但我个人怀疑这会发生:)
Alternatively, consider using using (yeh):
或者，考虑使用 using (yeh)：
using (var socket = new Socket(...))
{
....
socket.Shutdown(SocketShutdown.Both);
}
