Application example of C#socket in asp.net

The code is as follows

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Server using System.Collections.Generic; Using System.Text; Using System.Net.Sockets; Using System.Net; Namespace Sockettest { Class Program { static void Main (string[] args) { Socket Serversk = new socket (addressfamily.internetwork, SocketType.Stream, protocoltype.tcp); Serversk.bind (New IPEndPoint (Ipaddress.parse ("127.0.0.1"), 8596); Serversk.listen (1); SocketAsyncEventArgs acceptsae = new SocketAsyncEventArgs (); acceptsae.completed + = new eventhandler<socketasynceventargs> (acceptsae_completed); Serversk.acceptasync (ACCEPTSAE); Console.ReadLine (); } static void Acceptsae_completed (object sender, SocketAsyncEventArgs e) { Socket Serversk = sender as socket; if (E. SocketError = = socketerror.success) { Serversk = E.acceptsocket; SocketAsyncEventArgs sendsae = new SocketAsyncEventArgs (); byte[] data = System.Text.Encoding.UTF8.GetBytes ("Ok,just put it!" ）; Sendsae.setbuffer (data, 0, data.) Length); sendsae.completed + = new eventhandler<socketasynceventargs> (sendsae_completed); SocketAsyncEventArgs recievesae = new SocketAsyncEventArgs (); byte[] buffer = new byte[2048]; Recievesae.setbuffer (buffer, 0, buffer. Length); recievesae.completed + = new eventhandler<socketasynceventargs> (recievesae_completed);                 Serversk.receiveasync (RECIEVESAE);                 Serversk.sendasync (SENDSAE);            }             Else                  Console.WriteLine ("Take over collection socket connection request failed!") Specific reasons please debug yourself! "）;        } static void Recievesae_completed (object sender, SocketAsyncEventArgs e) { Socket SK = sender as socket; byte[] data = E.buffer; Attention here, how to take the value of the buffer that relates to the socket's sending takeover. String msg = System.Text.Encoding.UTF8.GetString (data); Console.WriteLine ("Message Received:" + msg); Sk. Disconnectasync ()//What do you think you should do? }         static void Sendsae_completed (object sender, SocketAsyncEventArgs e)         {              Socket SK = sender as socket;             if (E. SocketError = = socketerror.success)             {                 Console.WriteLine (" Send complete! " ), byte[] data = E.buffer; Attention here, how to take the value of the buffer that relates to the socket's sending takeover. String msg = System.Text.Encoding.UTF8.GetString (data); Console.WriteLine ("What You Sent:" + msg); } } } }

2 Client code

The code is as follows

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Cilent using System.Collections.Generic; Using System.Text; Using System.Net.Sockets; Using System.Net; Namespace Sockettesttwo {     class program     {    & nbsp;    static void Main (string[] args)         {              Socket Clientsk = new Sockets (AddressFamily.InterNetwork, SocketType.Stream, protocoltype.tcp); SocketAsyncEventArgs connectsae = new SocketAsyncEventArgs (); Connectsae.remoteendpoint = new IPEndPoint (Ipaddress.parse ("127.0.0.1"), 8596); connectsae.completed + = new eventhandler<socketasynceventargs> (connectsae_completed); Clientsk.connectasync (CONNECTSAE); Console.ReadLine (); } static void Connectsae_completed (object sender, SocketAsyncEventArgs e) { Socket Clientsk = sender as socket; if (E. SocketError = = socketerror.success && clientsk.connected) { SocketAsyncEventArgs sendsae = new SocketAsyncEventArgs (); byte[] data = System.Text.Encoding.UTF8.GetBytes ("I want put all Funy things together!" ）; Sendsae.setbuffer (data, 0, data.) Length); sendsae.completed + = new eventhandler<socketasynceventargs> (sendsae_completed); SocketAsyncEventArgs recievesae = new SocketAsyncEventArgs (); byte[] buffer = new byte[2048]; Recievesae.setbuffer (buffer, 0, buffer. Length); recievesae.completed + = new eventhandler<socketasynceventargs> (recievesae_completed);                //Call the asynchronous takeover first, and then invoke the asynchronous send. It allows you to experience asynchronous, apparently unusual, emotional infections.                 Clientsk.receiveasync (RECIEVESAE);                 Clientsk.sendasync (SENDSAE);            }        } static void Recievesae_completed (object sender, SocketAsyncEventArgs e) { Socket SK = sender as socket; byte[] data = E.buffer; Attention here, how to take the value of the buffer that relates to the socket's sending takeover. String msg = System.Text.Encoding.UTF8.GetString (data); Console.WriteLine ("Message Received:" +msg); Sk. Disconnectasync ()//What do you think you should do? } static void Sendsae_completed (object sender, SocketAsyncEventArgs e) { Socket SK = sender as socket; if (E. SocketError = = socketerror.success) { Console.WriteLine ("Send complete!" ）; } } } }

3 Debug Run

To debug the Run Manager project first

 

Debug Run client project

 

4 View Run results

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