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标题:简单的多人聊天(C#.Socket)
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mmnh80
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简单的多人聊天(C#.Socket)

哪位同事调试一下,看看能不能实现,

/******************ChatServer:**************************/

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

using System.Threading;
using System.Net.Sockets;
using System.Net;
namespace Chat_Server
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;

static int listenport=6666;
Socket clientsocket;
private System.Windows.Forms.ListBox lbClients;
ArrayList clients;
private System.Windows.Forms.Button button1;
Thread clientservice;
private System.Windows.Forms.Label label1;
Thread threadListen;

public Form1()
{

InitializeComponent();

}

/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{

if(clientservice != null)
{
clientservice.Abort();
}
if(threadListen != null)
{
try
{
threadListen.Abort();
}
catch(Exception ex)
{
threadListen = null;
}
}

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.lbClients = new System.Windows.Forms.ListBox();
this.button1 = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// lbClients
//
this.lbClients.ItemHeight = 12;
this.lbClients.Location = new System.Drawing.Point(16, 24);
this.lbClients.Name = "lbClients";
this.lbClients.Size = new System.Drawing.Size(184, 268);
this.lbClients.TabIndex = 0;
//
// button1
//
this.button1.Location = new System.Drawing.Point(272, 56);
this.button1.Name = "button1";
this.button1.TabIndex = 1;
this.button1.Text = "button1";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// label1
//
this.label1.Location = new System.Drawing.Point(240, 136);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(120, 32);
this.label1.TabIndex = 2;
this.label1.Text = "label1";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(368, 309);
this.Controls.Add(this.label1);
this.Controls.Add(this.button1);
this.Controls.Add(this.lbClients);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
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 StartListening()
{
  TcpListener listener = new TcpListener(listenport);
  listener.Start();
label1.Text = "listening....";
while (true)
{
try
{

Socket s = listener.AcceptSocket();
clientsocket = s;
clientservice = new Thread(new ThreadStart(ServiceClient));
clientservice.Start();
}
catch(Exception ex)
{
MessageBox.Show("listening Error: "+ex.Message);
}
}
}
private void ServiceClient()
{
Socket client = clientsocket;
bool keepalive = true;


while (keepalive)
{
Byte[] buffer = new Byte[1024];
int bufLen = 0;
try
{
bufLen = client.Available ;

client.Receive(buffer,0,bufLen,SocketFlags.None);
if(bufLen==0)
continue;
}
catch(Exception ex)
{
MessageBox.Show("Receive Error:"+ex.Message);
return;
}

string clientcommand = System.Text.Encoding.ASCII.GetString(buffer).Substring(0,bufLen);

string[] tokens = clientcommand.Split(new Char[]{'|'});
Console.WriteLine(clientcommand);

if (tokens[0] == "CONN")
{
for(int n=0; n<clients.Count;n++)
{
Client cl = (Client)clients[n];
SendToClient(cl, "JOIN|" + tokens[1]);
}
EndPoint ep = client.RemoteEndPoint;
Client c = new Client(tokens[1], ep, clientservice, client);

string message = "LIST|" + GetChatterList() +"\r\n";
SendToClient(c, message);

clients.Add(c);


lbClients.Items.Add(c);


}
if (tokens[0] == "CHAT")
{
for(int n=0; n<clients.Count;n++)
{
Client cl = (Client)clients[n];
SendToClient(cl, clientcommand);
}
}
if (tokens[0] == "PRIV")
{
string destclient = tokens[3];
for(int n=0; n<clients.Count;n++)
{
Client cl = (Client)clients[n];
if(cl.Name.CompareTo(tokens[3]) == 0)
SendToClient(cl, clientcommand);
if(cl.Name.CompareTo(tokens[1]) == 0)
SendToClient(cl, clientcommand);
}
}
if (tokens[0] == "GONE")
{
int remove = 0;
bool found = false;
int c = clients.Count;
for(int n=0; n<clients.Count;n++)
{
Client cl = (Client)clients[n];
SendToClient(cl, clientcommand);
if(cl.Name.CompareTo(tokens[1]) == 0)
{
remove = n;
found = true;
lbClients.Items.Remove(cl);
}
}
if(found)
clients.RemoveAt(remove);
client.Close();
keepalive = false;
}
}
}

private string GetChatterList()
{
string result = "";

for(int i=0;i<clients.Count;i++)
{
result += ((Client)clients[i]).Name+"|";
}
return result;

}

private void SendToClient(Client cl,string clientCommand)
{
Byte[] message = System.Text.Encoding.ASCII.GetBytes(clientCommand);
Socket s = cl.Sock;
if(s.Connected)
{
s.Send(message,message.Length,0);
}
}

private void Form1_Load(object sender, System.EventArgs e)
{
clients = new ArrayList();
}

private void button1_Click(object sender, System.EventArgs e)
{
threadListen = new Thread(new ThreadStart(StartListening));
threadListen.Start();
}
}
}

/***************************** client类 ********************/

/************************** 放于 chatServer 项目中 *********/

using System;
using System.Threading;

namespace Chat_Server
{
using System.Net.Sockets;
using System.Net;

///
/// Client 的摘要说明。
///
public class Client
{
private Thread clthread;
private EndPoint endpoint;
private string name;
private Socket sock;

public Client(string _name, EndPoint _endpoint, Thread _thread, Socket _sock)
{
// TODO: 在此处添加构造函数逻辑
clthread = _thread;
endpoint = _endpoint;
name = _name;
sock = _sock;
}

public override string ToString()
{
return endpoint.ToString()+ " : " + name;
}

public Thread CLThread
{
get{return clthread;}
set{clthread = value;}
}

public EndPoint Host
{
get{return endpoint;}
set{endpoint = value;}
}

public string Name
{
get{return name;}
set{name = value;}
}

public Socket Sock
{
get{return sock;}
set{sock = value;}
}
}
}

搜索更多相关主题的帖子: using System Socket summary Forms 
2006-06-20 16:35
mmnh80
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/***************************** chatClient ************************************/

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Threading;

namespace Chat_Client
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.CheckBox checkBox1;
private System.Windows.Forms.StatusBar statusBar1;

NetworkStream ns;
StreamReader sr;
TcpClient clientsocket;
bool connected;
Thread receive;
string serveraddress = "219.228.231.85";
int serverport = 6666;

private System.Windows.Forms.RichTextBox rtbChatIn;
private System.Windows.Forms.ListBox lbChatters;
private System.Windows.Forms.TextBox ChatOut;
private System.Windows.Forms.Button btnDisconnect;
private System.Windows.Forms.Button btnSend;
private System.Windows.Forms.TextBox clientName;

string clientname;
private System.Windows.Forms.Button btnConnect;

private System.ComponentModel.Container components = null;

public Form1()
{

InitializeComponent();

}

/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(receive != null)
{
QuitChat();
}
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.lbChatters = new System.Windows.Forms.ListBox();
this.rtbChatIn = new System.Windows.Forms.RichTextBox();
this.checkBox1 = new System.Windows.Forms.CheckBox();
this.ChatOut = new System.Windows.Forms.TextBox();
this.btnSend = new System.Windows.Forms.Button();
this.statusBar1 = new System.Windows.Forms.StatusBar();
this.btnDisconnect = new System.Windows.Forms.Button();
this.clientName = new System.Windows.Forms.TextBox();
this.btnConnect = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// lbChatters
//
this.lbChatters.ItemHeight = 12;
this.lbChatters.Location = new System.Drawing.Point(32, 40);
this.lbChatters.Name = "lbChatters";
this.lbChatters.Size = new System.Drawing.Size(112, 172);
this.lbChatters.TabIndex = 0;
//
// rtbChatIn
//
this.rtbChatIn.Location = new System.Drawing.Point(160, 40);
this.rtbChatIn.Name = "rtbChatIn";
this.rtbChatIn.Size = new System.Drawing.Size(208, 176);
this.rtbChatIn.TabIndex = 2;
this.rtbChatIn.Text = "";
//
// checkBox1
//
this.checkBox1.Location = new System.Drawing.Point(16, 248);
this.checkBox1.Name = "checkBox1";
this.checkBox1.TabIndex = 3;
this.checkBox1.Text = "checkBox1";
//
// ChatOut
//
this.ChatOut.Location = new System.Drawing.Point(136, 248);
this.ChatOut.Name = "ChatOut";
this.ChatOut.Size = new System.Drawing.Size(136, 21);
this.ChatOut.TabIndex = 4;
this.ChatOut.Text = "message";
//
// btnSend
//
this.btnSend.Location = new System.Drawing.Point(336, 248);
this.btnSend.Name = "btnSend";
this.btnSend.TabIndex = 5;
this.btnSend.Text = "send";
this.btnSend.Click += new System.EventHandler(this.btnSend_Click);
//
// statusBar1
//
this.statusBar1.Location = new System.Drawing.Point(0, 287);
this.statusBar1.Name = "statusBar1";
this.statusBar1.Size = new System.Drawing.Size(464, 22);
this.statusBar1.TabIndex = 6;
this.statusBar1.Text = "statusBar1";
//
// btnDisconnect
//
this.btnDisconnect.Enabled = false;
this.btnDisconnect.Location = new System.Drawing.Point(392, 112);
this.btnDisconnect.Name = "btnDisconnect";
this.btnDisconnect.Size = new System.Drawing.Size(64, 32);
this.btnDisconnect.TabIndex = 7;
this.btnDisconnect.Text = "断开";
this.btnDisconnect.Click += new System.EventHandler(this.btnDisconnect_Click);
//
// clientName
//
this.clientName.Location = new System.Drawing.Point(96, 8);
this.clientName.Name = "clientName";
this.clientName.TabIndex = 8;
this.clientName.Text = "name";
//
// btnConnect
//
this.btnConnect.Location = new System.Drawing.Point(392, 56);
this.btnConnect.Name = "btnConnect";
this.btnConnect.Size = new System.Drawing.Size(64, 32);
this.btnConnect.TabIndex = 9;
this.btnConnect.Text = "连接";
this.btnConnect.Click += new System.EventHandler(this.btnConnect_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(464, 309);
this.Controls.Add(this.btnConnect);
this.Controls.Add(this.clientName);
this.Controls.Add(this.btnDisconnect);
this.Controls.Add(this.statusBar1);
this.Controls.Add(this.btnSend);
this.Controls.Add(this.ChatOut);
this.Controls.Add(this.checkBox1);
this.Controls.Add(this.rtbChatIn);
this.Controls.Add(this.lbChatters);
this.Name = "Form1";
this.Text = "Form1";
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 EstablishConnection()
{
statusBar1.Text = "正在连接到服务器";

try
{
clientsocket = new TcpClient(serveraddress,serverport);
ns = clientsocket.GetStream();
sr = new StreamReader(ns);
connected = true;

}
catch (Exception)
{
MessageBox.Show("不能连接到服务器!","错误",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
statusBar1.Text = "已断开连接";
}
}

private void RegisterWithServer()
{
lbChatters.Items.Clear();

clientname = clientName.Text;
try
{
string command = "CONN|" + clientname; //+"\r\n";
Byte[] outbytes = System.Text.Encoding.ASCII.GetBytes(command.ToCharArray());
ns.Write(outbytes,0,outbytes.Length);


string serverresponse = sr.ReadLine();
serverresponse.Trim();
string[] tokens = serverresponse.Split('|');
if(tokens[0] == "LIST")
{
statusBar1.Text = "已连接";
btnDisconnect.Enabled = true;
}
if(tokens[1] != "")
{
for(int n=1; n<tokens.Length;n++)
lbChatters.Items.Add(tokens[n].Trim(new char[]{'\r','\n'}));
}
this.Text = clientname + ":已连接到服务器";

}
catch (Exception ex)
{
MessageBox.Show("注册时发生错误!"+ex.Message,"错误",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
connected = false;
}
}

private void ReceiveChat()
{
bool keepalive = true;
while (keepalive)
{
try
{
Byte[] buffer = new Byte[1024]; // 2048???
ns.Read(buffer,0,buffer.Length);
string chatter = System.Text.Encoding.ASCII.GetString(buffer);
string[] tokens = chatter.Split(new Char[]{'|'});

if (tokens[0] == "CHAT")
{
rtbChatIn.AppendText(tokens[1]);
// if(logging)
// logwriter.WriteLine(tokens[1]);
}
if (tokens[0] == "PRIV")
{
rtbChatIn.AppendText("Private from ");
rtbChatIn.AppendText(tokens[1].Trim() );
rtbChatIn.AppendText(tokens[2] + "\r\n");
// if(logging)
// {
// logwriter.Write("Private from ");
// logwriter.Write(tokens[1].Trim() );
// logwriter.WriteLine(tokens[2] + "\r\n");
// }
}
if (tokens[0] == "JOIN")
{
rtbChatIn.AppendText(tokens[1].Trim() );
rtbChatIn.AppendText(" has joined the Chat\r\n");
// if(logging)
// {
// logwriter.WriteLine(tokens[1]+" has joined the Chat");
// }
string newguy = tokens[1].Trim(new char[]{'\r','\n'});
lbChatters.Items.Add(newguy);
}
if (tokens[0] == "GONE")
{
rtbChatIn.AppendText(tokens[1].Trim() );
rtbChatIn.AppendText(" has left the Chat\r\n");
// if(logging)
// {
// logwriter.WriteLine(tokens[1]+" has left the Chat");
// }
lbChatters.Items.Remove(tokens[1].Trim(new char[]{'\r','\n'}));
}
if (tokens[0] == "QUIT")
{
ns.Close();
clientsocket.Close();
keepalive = false;
statusBar1.Text = "服务器端已停止";
connected= false;
btnSend.Enabled = false;
btnDisconnect.Enabled = false;
}
}
catch(Exception){}
}
}

private void QuitChat()
{
if(connected)
{
try
{
string command = "GONE|" + clientname;
Byte[] outbytes = System.Text.Encoding.ASCII.GetBytes(command.ToCharArray());
ns.Write(outbytes,0,outbytes.Length);
clientsocket.Close();
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
// if(logging)
// logwriter.Close();
if(receive != null && receive.IsAlive)
receive.Abort();
this.Text = "客户端";

connected = false;

}

private void btnSend_Click(object sender, System.EventArgs e)
{
if(connected)
{
try
{
string command = "CHAT|" + clientname+": "+ChatOut.Text+"\r\n";
Byte[] outbytes = System.Text.Encoding.ASCII.GetBytes(command.ToCharArray());
ns.Write(outbytes,0,outbytes.Length);
//clientsocket.Close();
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}

private void btnConnect_Click(object sender, System.EventArgs e)
{
EstablishConnection();
RegisterWithServer();
if(connected)
{
receive = new Thread(new ThreadStart(ReceiveChat));
receive.Start();
}
}

private void btnDisconnect_Click(object sender, System.EventArgs e)
{
QuitChat();
}
}
}


2006-06-20 16:35
qunny
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混积分 下东西~~
2006-06-21 09:20
aiwei1000
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你自己写了没测试?


2006-10-16 11:07
skyland84
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象我 以前学 JAVA 时用的 写法~!哈哈~!
都不用图形界面写代码的啊~!
这样写 要花多少时间啊~!
我时越来越 佩服 这样的人了~!


决定人生~
2006-10-16 14:02
chenjin145
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這個用圖形怎麼寫代碼?


[url=javascript:alert(1);] [div]fdgfdgfdg\" on\"[/div] [/url]
2006-10-16 14:08
623860308
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2008-01-03 19:14
沉沦过迁
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也许我没有明天,但是我拥有现在
2008-01-03 20:47
kappu1
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怎么自己没有测试一下?
2008-01-03 21:31
tanxiaolin
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不使用图形,用代码写也是有很多好处,但是一般人 不行啊。哈哈

楼主的意思是说 写好后都没测试过就发出来了?这么自信.
2008-01-04 10:23
快速回复:简单的多人聊天(C#.Socket)
数据加载中...
 
   



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