Socket异步编程-之客户器端.

 1 using System;
 2 using System.Text;
 3 using System.Net;
 4 using System.Net.Sockets;
 5 namespace asyncSocketClient {
 6     class SocketClient {
 7         static System.Threading.ManualResetEvent allDone=new System.Threading.ManualResetEvent(false);
 8         [STAThread]
 9         static void Main(string[] args) {
10             SocketClient.Connect();
11 
12         }
13         //连接方法
14         public static void Connect() {
15             IPAddress ip=IPAddress.Parse("10.0.0.153");
16             IPEndPoint ipEP=new IPEndPoint(ip,11000);
17             Socket client=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
18             client.BeginConnect(ipEP,new AsyncCallback(SocketClient.ConnectCallback),client);
19             allDone.WaitOne();
20         }
21         //异步连接
22         public static void ConnectCallback(System.IAsyncResult ar) {
23             try {
24                 Socket client=(Socket)ar.AsyncState;
25                 client.EndConnect(ar);
26                 Console.WriteLine("Socket connected to {0}",client.RemoteEndPoint.ToString());
27                 Console.WriteLine("Press any key to send date to remote server");
28                 Console.ReadLine();
29                 SocketClient.Send(client,"abc123");
30             }
31             catch (Exception ex) {
32                 Console.WriteLine(ex.Message);
33             }
34         }
35         //发送数据的方法
36         public static void Send(Socket client,string data) {
37             byte[] byteData=System.Text.Encoding.ASCII.GetBytes(data);
38             client.BeginSend(byteData,0,byteData.Length,0,new AsyncCallback(SocketClient.SendCallback),client);
39         }
40         //异步发送方法
41         public static void SendCallback(System.IAsyncResult ar) {
42             try {
43                 Socket client=(Socket)ar.AsyncState;
44                 int bytesSend=client.EndSend(ar);
45                 Console.WriteLine("Send {0} bytes to server.",bytesSend);
46             }
47             catch (Exception ex) {
48                 Console.WriteLine(ex.Message);
49             }
50             allDone.Set();
51         }
52 
53         //异步接收与服务端异步接收一样.同理,服务端异常发送与客户端异步发送一样.
54     }
55 }
56