using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Threading;
using System.Net;
using System.Net.Sockets;
using System.Text; namespace WebSocket
{
public partial class WebSocketTest : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
SocketServer socket = new SocketServer(, "192.168.88.196", TextBox1);
//启动线程
Thread thread = new Thread(new ThreadStart(socket.beginListen));
thread.Start();
// 在应用程序启动时运行的代码
//(new System.Threading.Thread(new System.Threading.ThreadStart(new Class1().CreatSocket))).Start();//开辟一个新线程
} }
protected void Button1_Click(object sender, EventArgs e)
{
Socketclient client = new Socketclient(TextBox2, TextBox3);
client.StartClient(); } } public class Socketclient
{
TextBox txt;
TextBox send_txt;
public Socketclient(TextBox txt, TextBox send_txt)
{
this.txt = txt;
this.send_txt = send_txt;
}
public void StartClient()
{
// Data buffer for incoming data.
byte[] bytes = new byte[]; // Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
// This example uses port 11000 on the local computer.
//IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
IPAddress ipAddress = ipHostInfo.AddressList[];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, );
// Create a TCP/IP socket.
Socket sender = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); // Connect the socket to the remote endpoint. Catch any errors.
try
{
sender.Connect(remoteEP);
// Console.WriteLine("Socket connected to {0}",sender.RemoteEndPoint.ToString());
txt.Text += "\r\n" + sender.RemoteEndPoint.ToString() + "\r\n";
// Encode the data string into a byte array.
byte[] msg = Encoding.ASCII.GetBytes(send_txt.Text + "<EOF>");
// Send the data through the socket.
int bytesSent = sender.Send(msg);
// Receive the response from the remote device.
int bytesRec = sender.Receive(bytes);
//Console.WriteLine("Echoed test = {0}",Encoding.ASCII.GetString(bytes,0,bytesRec));
txt.Text += "\r\n" + Encoding.ASCII.GetString(bytes, , bytesRec) + "\r\n";//接收远程服务器信息 // Release the socket.
sender.Shutdown(SocketShutdown.Both);
sender.Close();
}
catch (ArgumentNullException ane)
{
// Console.WriteLine("ArgumentNullException : {0}",ane.ToString());
txt.Text += "\r\n" + ane.ToString() + "\r\n";
}
catch (SocketException se)
{
// Console.WriteLine("SocketException : {0}",se.ToString());
txt.Text += "\r\n" + se.ToString() + "\r\n";
}
catch (Exception e)
{
// Console.WriteLine("Unexpected exception : {0}", e.ToString());
txt.Text += "\r\n" + e.ToString() + "\r\n";
}
}
catch (Exception e)
{
// Console.WriteLine( e.ToString());
txt.Text += "\r\n" + e.ToString() + "\r\n";
}
}
}
public class SocketServer { int port; //端口
string host;//ip地址
TextBox txt;
/// <summary>
/// 构造涵数
/// </summary>
/// <param name="ports">端口号</param>
public SocketServer(int ports, string host,TextBox txt)
{
this.port=ports;
this.host = host;
this.txt = txt;
}
//开始监听
public void beginListen(){
try
{
IPAddress ip = IPAddress.Parse(host);//把ip地址字符串转换为IPAddress类型的实例
IPEndPoint ipe = new IPEndPoint(ip, port);//用指定的端口和ip初始化IPEndPoint类的新实例
///创建socket并开始监听
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//创建一个socket对像，如果用udp协议，则要用SocketType.Dgram类型的套接字
s.Bind(ipe);//绑定EndPoint对像（端口和ip地址）
s.Listen();//开始监听
txt.Text += "等待客户端连接";
// Console.WriteLine("等待客户端连接");
//定义循环，以便可以简历多次连接
while (true)
{
Socket temp = s.Accept();//为新建连接创建新的socket
while (true)
{
string recvStr = "";
byte[] recvBytes = new byte[];
int bytes;
bytes = temp.Receive(recvBytes, recvBytes.Length, );//从客户端接受信息
recvStr += Encoding.ASCII.GetString(recvBytes, , bytes);
txt.Text += "\r\n" + recvStr + "\r\n";
if (recvStr.IndexOf("<EOF>") > -)
{
break;
}
}
//给client端返回信息
// Console.WriteLine("server get message:{0}", recvStr);//把客户端传来的信息显示出来 string sendStr = "jpeg upload OK";
byte[] bs = Encoding.ASCII.GetBytes(sendStr);
temp.Send(bs, bs.Length, );//返回信息给客户端
temp.Shutdown(SocketShutdown.Both);
temp.Close(); }
}
catch (Exception ex)
{
string str = ex.ToString();
txt.Text += "\r\n" + str + "\r\n";
}
}
}
}
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server" Height="206px" TextMode="MultiLine" Width="700px" ></asp:TextBox>
<hr />
<asp:TextBox ID="TextBox2" runat="server" Height="197px" TextMode="MultiLine" Width="376px"></asp:TextBox>
<asp:TextBox ID="TextBox3" runat="server" Height="119px" TextMode="MultiLine"></asp:TextBox>
<asp:Button ID="Button1" runat="server" Height="52px" OnClick="Button1_Click" Text="SEND" Width="138px" />
</div>
</form>
</body>