c# socket 同步开发小例子

这两天在研究socket开发看了网上有很多这样的例子，也写了一个类似的程序希望大家共同交流,环境vs2005
 
以下是服务器端代码
服务器端界面



form1.cs文件
 using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net.Sockets;
using System.IO;
using System.Net;
using System.Threading;
using System.Collections;
namespace SocketServer
{
delegate void Myhandle(string s);

public partial class Form1 : Form
{
Socket sock;
Thread newthread;
public Form1()
{
InitializeComponent();

}

private void button1_Click(object sender, EventArgs e)
{
this.button1.Enabled = false;

//启动独立线程开始侦听
newthread = new Thread(startListenSocket);
newthread.Start();

}

public void setString(string s)
{
this.textBox1.Text += s;
}
public void startListenSocket()
{
try
{
int port = 3388;
IPAddress ip = IPAddress.Parse("127.0.0.1");
IPEndPoint ipe = new IPEndPoint(ip, port);
sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sock.Bind(ipe);
sock.Listen(2);

while (true)
{
Socket tempsocket = sock.Accept();
byte[] restrs = new byte[1024];
int recount = tempsocket.Receive(restrs);
string str = "";
str = Encoding.Default.GetString(restrs, 0, recount);

//判断结尾是否是*号 如果是表示传送完毕
while (str.Substring(str.Length - 1, 1) != "*")
{
int count = tempsocket.Receive(restrs);
str = Encoding.Default.GetString(restrs, 0, count);
str = str.Trim();
}
byte[] anstr = Encoding.Default.GetBytes("客户端我收完了");
tempsocket.Send(anstr);
Myhandle my = new Myhandle(setString);
this.Invoke(my, new object[] { str });
}
}
catch(Exception e)
{
MessageBox.Show(e.Message);
}
}
}
}

 
form1.designer.cs文件
namespace SocketServer
{
partial class Form1
{
///
/// 必需的设计器变量。
///
private System.ComponentModel.IContainer components = null;

///
/// 清理所有正在使用的资源。
///
/// 如果应释放托管资源，为 true；否则为 false。
protected override void Dispose(bool disposing)
{

if (sock != null)
{
newthread.Abort();
sock.Close();
}
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}

#region Windows 窗体设计器生成的代码

///
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
///
private void InitializeComponent()
{
this.button1 = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(29, 12);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 23);
this.button1.TabIndex = 0;
this.button1.Text = "侦听开始";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(29, 41);
this.textBox1.Multiline = true;
this.textBox1.Name = "textBox1";
this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
this.textBox1.Size = new System.Drawing.Size(574, 220);
this.textBox1.TabIndex = 1;
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(615, 273);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.button1);
this.Name = "Form1";
this.Text = "server";
this.ResumeLayout(false);
this.PerformLayout();

}

#endregion

private System.Windows.Forms.Button button1;
private System.Windows.Forms.TextBox textBox1;
}
}

   客户端代码

客户端界面



form1.cs文件using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Net.Sockets;
using System.Net;
using System.Threading;
namespace socketClint
{
delegate void reHandle(string s);
public partial class client : Form
{
public client()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
try
{
int port = 3388;
IPAddress ip = IPAddress.Parse("127.0.0.1");
IPEndPoint ipe = new IPEndPoint(ip, port);
Socket clsoc = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
clsoc.Connect(ipe);
string sendstr = this.textBox1.Text+"*";//以*号作为结尾，也可以用其他方式判断传送结束
byte[] sstr = Encoding.Default.GetBytes(sendstr);
clsoc.Send(sstr);
Thread newth = new Thread(result);
newth.Start((object)clsoc);
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void result(object obj)
{
Socket s = (Socket)obj;
byte[] restrs = new byte[1024];
int recount=s.Receive(restrs);
string str = Encoding.Default.GetString(restrs);
reHandle myhandle = new reHandle(re);
this.Invoke(myhandle, new object[] { str });
s.Close();
}
private void re(string s)
{
this.textBox1.Text = s;
}
}
}