using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net.Sockets;
using System.Net;
using System.IO;
using System.Text;
using System.Threading;
namespace WindowsApplication1
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.Label label7;
private System.Windows.Forms.Label label8;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.ListBox listBox1;
private System.Windows.Forms.ListBox listBox2;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.TextBox textBox4;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.StatusBar statusBar1;
private System.Windows.Forms.StatusBarPanel statusBarPanel1;
private System.Windows.Forms.StatusBarPanel statusBarPanel2;
private System.ComponentModel.Container components = null;
/// <summary>
/// 必需的设计器变量。
/// </summary>
//创建线程用来侦听端口号
private Thread th;
//用来侦听端口号
private TcpListener tlListen1;
//设置标志位，判断侦听状态
private bool listenerRun = true;
//创建传送接收的基本 数据流实例
private NetworkStream tcpStream;
//创建向远程机器传送信息实例
private StreamWriter reqStreamW;
//创建远程连接的实例
private TcpClient tcpc;
//创建接收远程主机传来的数据的实例
private Socket skSocket;
public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent();
//
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
}
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
try
{
listenerRun = false;
th.Abort();
th = null;
tlListen1.Stop();
skSocket.Close();
}
catch(Exception)
{
}
if(disposing)
{
if(components!=null)
{
components.Dispose();
}
}
base.Dispose(disposing);
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 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。
/// </summary>
private void InitializeComponent()
{
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.label5 = new System.Windows.Forms.Label();
this.label6 = new System.Windows.Forms.Label();
this.label7 = new System.Windows.Forms.Label();
this.label8 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.textBox3 = new System.Windows.Forms.TextBox();
this.listBox1 = new System.Windows.Forms.ListBox();
this.listBox2 = new System.Windows.Forms.ListBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.button4 = new System.Windows.Forms.Button();
this.textBox4 = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.statusBar1 = new System.Windows.Forms.StatusBar();
this.statusBarPanel1 = new System.Windows.Forms.StatusBarPanel();
this.statusBarPanel2 = new System.Windows.Forms.StatusBarPanel();
((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.statusBarPanel2)).BeginInit();
this.SuspendLayout();
//
// label3
//
this.label3.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(255)));
this.label3.Location = new System.Drawing.Point(24, 120);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(72, 23);
this.label3.TabIndex = 2;
this.label3.Text = "发送信息：";
//
// label4
//
this.label4.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(255)));
this.label4.Location = new System.Drawing.Point(24, 312);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(72, 23);
this.label4.TabIndex = 3;
this.label4.Text = "接收信息";
//
// label5
//
this.label5.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(255)));
this.label5.Location = new System.Drawing.Point(24, 184);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(72, 23);
this.label5.TabIndex = 4;
this.label5.Text = "发送的信息";
//
// label6
//
this.label6.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(255)));
this.label6.Location = new System.Drawing.Point(248, 88);
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(56, 23);
this.label6.TabIndex = 5;
this.label6.Text = "本地端口";
//
// label7
//
this.label7.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(255)));
this.label7.ForeColor = System.Drawing.Color.Black;
this.label7.Location = new System.Drawing.Point(24, 32);
this.label7.Name = "label7";
this.label7.Size = new System.Drawing.Size(72, 23);
this.label7.TabIndex = 0;
this.label7.Text = "远程IP地址";
//
// label8
//
this.label8.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(255)));
this.label8.Location = new System.Drawing.Point(24, 88);
this.label8.Name = "label8";
this.label8.Size = new System.Drawing.Size(72, 23);
this.label8.TabIndex = 1;
this.label8.Text = "远程端口号";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(128, 32);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(264, 21);
this.textBox1.TabIndex = 6;
this.textBox1.Text = "textBox1";
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(128, 88);
this.textBox2.Name = "textBox2";
this.textBox2.TabIndex = 7;
this.textBox2.Text = "textBox2";
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(312, 88);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(80, 21);
this.textBox3.TabIndex = 8;
this.textBox3.Text = "textBox3";
//
// listBox1
//
this.listBox1.ItemHeight = 12;
this.listBox1.Location = new System.Drawing.Point(128, 160);
this.listBox1.Name = "listBox1";
this.listBox1.Size = new System.Drawing.Size(264, 112);
this.listBox1.TabIndex = 9;
//
// listBox2
//
this.listBox2.ItemHeight = 12;
this.listBox2.Location = new System.Drawing.Point(128, 296);
this.listBox2.Name = "listBox2";
this.listBox2.Size = new System.Drawing.Size(264, 112);
this.listBox2.TabIndex = 10;
//
// button1
//
this.button1.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(255)), ((System.Byte)(128)));
this.button1.ForeColor = System.Drawing.Color.Red;
this.button1.Location = new System.Drawing.Point(408, 40);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(120, 40);
this.button1.TabIndex = 11;
this.button1.Text = "连接远程主机";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(255)), ((System.Byte)(128)));
this.button2.ForeColor = System.Drawing.Color.Red;
this.button2.Location = new System.Drawing.Point(408, 144);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(120, 40);
this.button2.TabIndex = 12;
this.button2.Text = "侦听端口";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(255)), ((System.Byte)(128)));
this.button3.ForeColor = System.Drawing.Color.Red;
this.button3.Location = new System.Drawing.Point(408, 240);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(120, 40);
this.button3.TabIndex = 13;
this.button3.Text = "发送信息";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// button4
//
this.button4.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(255)), ((System.Byte)(128)));
this.button4.ForeColor = System.Drawing.Color.Red;
this.button4.Location = new System.Drawing.Point(408, 352);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(120, 40);
this.button4.TabIndex = 14;
this.button4.Text = "断开连接";
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// textBox4
//
this.textBox4.Location = new System.Drawing.Point(128, 120);
this.textBox4.Name = "textBox4";
this.textBox4.Size = new System.Drawing.Size(264, 21);
this.textBox4.TabIndex = 15;
this.textBox4.Text = "textBox4";
//
// label1
//
this.label1.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(192)), ((System.Byte)(192)), ((System.Byte)(255)));
this.label1.Location = new System.Drawing.Point(0, 0);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(544, 23);
this.label1.TabIndex = 16;
this.label1.Text = " 版权所有 网络05玄魂制作";
//
// statusBar1
//
this.statusBar1.Location = new System.Drawing.Point(0, 429);
this.statusBar1.Name = "statusBar1";
this.statusBar1.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {
this.statusBarPanel1,
this.statusBarPanel2});
this.statusBar1.ShowPanels = true;
this.statusBar1.Size = new System.Drawing.Size(544, 96);
this.statusBar1.TabIndex = 17;
this.statusBar1.Text = "statusBar1";
//
// statusBarPanel1
//
this.statusBarPanel1.Text = "statusBarPanel1";
this.statusBarPanel1.Width = 260;
//
// statusBarPanel2
//
this.statusBarPanel2.Text = "statusBarPanel2";
this.statusBarPanel2.Width = 260;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.BackColor = System.Drawing.Color.Black;
this.ClientSize = new System.Drawing.Size(544, 525);
this.Controls.Add(this.statusBar1);
this.Controls.Add(this.label1);
this.Controls.Add(this.textBox4);
this.Controls.Add(this.button4);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.listBox2);
this.Controls.Add(this.listBox1);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label6);
this.Controls.Add(this.label5);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.label7);
this.Controls.Add(this.label8);
this.Name = "Form1";
this.Text = "点对点通讯程序";
this.Load += new System.EventHandler(this.Form1_Load);
((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.statusBarPanel2)).EndInit();
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void Listen()
{
string time = DateTime.Now.ToString();
try
{
tlListen1 = new TcpListener(Int32.Parse(textBox3.Text));
//侦听远程端口
tlListen1.Start();
statusBar1.Panels[1].Text = "正在监听......";
skSocket = tlListen1.AcceptSocket();
//获得远程计算机对应的网络远程终结点
EndPoint tempRemoteEP = skSocket.RemoteEndPoint;
//根据网络远程终结点获得远程计算机的名称
IPEndPoint tempRemoteIP = (IPEndPoint)tempRemoteEP;
IPHostEntry host = Dns.GetHostByAddress(tempRemoteIP.Address);
string HostName = host.HostName;
statusBar1.Panels[1].Text = "'"+HostName+"'"+"远程计算机正确连接！";
//循环侦听
while(listenerRun)
{
//定义从远程计算机接收到的数据存放缓冲区
Byte[]stream = new byte[80];
//获取当前时间
//接收数据并存放到定义的缓冲区,以指定的编码，从缓冲区中解析出内容
int i = skSocket.ReceiveFrom(stream,ref tempRemoteEP);
string sMessage = System.Text.Encoding.UTF8.GetString(stream);
//显示接收的数据
listBox2.Items.Add(time+""+HostName+":");
listBox2.Items.Add(sMessage);
}
}
catch(System.Security.SecurityException)
{
MessageBox.Show("防火墙安全错误！","错误",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
}
}
private void button1_Click(object sender, System.EventArgs e)
{
//向远程主机提出申请，如果连接建立，则获得用以传送数据的数据流
try
{
tcpc = new TcpClient(textBox1.Text,Int32.Parse(textBox2.Text));
tcpStream = tcpc.GetStream();
statusBar1.Panels[0].Text = "成功连接远程计算机!";
button2.Enabled = true;
button1.Enabled = false;
button4.Enabled = true;
}
catch(Exception)
{
statusBar1.Panels[0].Text = "目标计算机拒绝连接请求！";
}
}
private void button2_Click(object sender, System.EventArgs e)
{
th = new Thread(new ThreadStart(Listen));
th.Start();
}
private void button3_Click(object sender, System.EventArgs e)
{
try
{
string sMsg= textBox4.Text;
string MyName = Dns.GetHostName();
reqStreamW = new StreamWriter(tcpStream);
reqStreamW.Write(sMsg);
reqStreamW.Flush();
string time = DateTime.Now.ToString();
listBox1.Items.Add(time+" " + MyName+":");
listBox1.Items.Add(sMsg);
textBox4.Clear();
}
catch(Exception)
{
statusBar1.Panels[0].Text= "无法发送到目标计算机！";
}
}
private void button4_Click(object sender, System.EventArgs e)
{
listenerRun = false;
tcpc.Close();
statusBar1.Panels[0].Text = "断开连接！";
button1.Enabled = true;
button3.Enabled = false;
button2.Enabled = true;
}
private void Form1_Load(object sender, System.EventArgs e)
{
}
}
}
