/********************************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 );
}
Windows 窗体设计器生成的代码
/// <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;}
}
}
}
/*************************** 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 );
}
Windows 窗体设计器生成的代码
/// <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 (tokens[0] == "PRIV")
{
rtbChatIn.AppendText("Private from ");
rtbChatIn.AppendText(tokens[1].Trim() );
rtbChatIn.AppendText(tokens[2] + "\r\n");
}
if (tokens[0] == "JOIN")
{
rtbChatIn.AppendText(tokens[1].Trim() );
rtbChatIn.AppendText(" has joined the Chat\r\n");
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");
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(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);
}
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();
}
}
}
uan
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 );
}
Windows 窗体设计器生成的代码
/// <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;}
}
}
}
/*************************** 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 );
}
Windows 窗体设计器生成的代码
/// <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 (tokens[0] == "PRIV")
{
rtbChatIn.AppendText("Private from ");
rtbChatIn.AppendText(tokens[1].Trim() );
rtbChatIn.AppendText(tokens[2] + "\r\n");
}
if (tokens[0] == "JOIN")
{
rtbChatIn.AppendText(tokens[1].Trim() );
rtbChatIn.AppendText(" has joined the Chat\r\n");
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");
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(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);
}
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();
}
}
}