网络编程

最新推荐文章于 2025-08-22 14:25:18 发布

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最新推荐文章于 2025-08-22 14:25:18 发布

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CC 4.0 BY-SA版权

文章标签：网络

原文链接：http://www.cnblogs.com/huadust/archive/2011/04/07/2008749.html

本文详细介绍了使用Socket和TCP进行网络通信的方法，包括连接、断开连接、监听、停止监听等核心操作，并提供了发送和接收数据的具体实现。通过C#代码示例展示了如何利用Socket和TcpClient类进行客户端和服务端的通信。

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Uri 类

TcpClient 类

TcpServer 类

///////////////////////////////////////////////////////////////////////////

//Socket操作///////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////

using System.Net;

using System.Net.Sockets;

private Socket m_ConnectSocket = null;

private Socket m_ListenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

//Socket连接

public bool ConnectServer(string sHostName, int nPort)

{

bool bRet = false;

IPAddress serverIP = XIpOP.GetHostIP(sHostName);

IPEndPoint endPoint = new IPEndPoint(serverIP, nPort);

Socket m_ConnectSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

m_ConnectSocket.Connect(endPoint);

bRet = m_ConnectSocket.Connected;

return bRet;

}

//Socket断开连接

public bool DisconnectServer()

{

if (m_ConnectSocket != null)

{

m_ConnectSocket.Shutdown(SocketShutdown.Both);

m_ConnectSocket.Close();

}

return true;

}

//Socket监听

public bool StartListen(int nPort)

{

bool bResult = false;

IPAddress localHostIP = XIpOP.GetLocalIP();

IPEndPoint localEndPoint = new IPEndPoint(localHostIP, nPort);

m_ListenSocket.Bind(localEndPoint);

m_ListenSocket.Listen(10);

if (m_ListenSocket.IsBound == true)

{

m_ConnectSocket = m_ListenSocket.Accept();

bResult = m_ConnectSocket.Connected;

}

return bResult;

}

//Socket停止监听

public bool StopListen()

{

bool bRet = false;

if ((m_ListenSocket != null) && (m_ListenSocket.IsBound == true))

{

if (m_ConnectSocket.Connected == true)

{

m_ConnectSocket.Shutdown(SocketShutdown.Both);

m_ConnectSocket.Close();

}

m_ListenSocket.Close();

bRet = true;

}

return bRet;

}

//Socket发送数据

public void SendData(string sSendData)

{

byte[] sendBuffer = new byte[1024];

sendBuffer = Encoding.GetEncoding("GBK").GetBytes(sSendData);

m_ConnectSocket.Send(sendbuffer, 0, sendBuffer.Length, SocketFlags.None);

}

//Socket接收数据

public string ReceiveData()

{

byte[] receiveBuffer = new byte[1024];

m_ConnectSocket.Receive(receiveBuffer, 0, receiveBuffer.Length, SocketFlags.None);

string sRet = "";

sRet = Encoding.GetEncoding("GBK").GetString(receiveBuffer);

return sRet;

}

///////////////////////////////////////////////////////////////////////////

//TCPClient操作////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////

using System.Net;

using System.Net.Sockets;

private TcpClient m_ConnectTcpClient = new TcpClient();

private TcpListener m_ConnectTcpListener = new TcpListener(23);

//TcpClient连接

public bool ConnectServer(string sHostName, int nPort)

{

bool bRet = false;

IPAddress serverIP = XIpOP.GetHostIP(sHostName);

IPEndPoint endPoint = new IPEndPoint(serverIP, nPort);

TcpClient m_ConnectTcpClient = new TcpClient();

m_ConnectTcpClient.Connect(endPoint);

bRet = m_ConnectTcpClient.Connected;

return bRet;

}

//TcpClient断开连接

public bool DisconnectServer()

{

bool bRet = false;

m_ConnectTcpClient.Close();

bRet = true;

return bRet;

}

//TcpListener监听

public bool StartListen(int nPort)

{

bool bRet = false;

m_ConnectTcpListener.Start(6);

m_ConnectTcpClient = m_ConnectTcpListener.AcceptTcpClient();

if (m_ConnectTcpListener != null)

{

bRet = true;

}

return bRet;

}

//TcpListener断开监听

public bool StopListen()

{

bool bRet = false;

if (m_ConnectTcpListener != null)

{

if (m_ConnectTcpClient.Connected == true)

{

m_ConnectTcpClient.Close();

}

m_ConnectTcpListener.Stop();

bRet = true;

}

return bRet;

}

//TcpClient发送数据

public void SendData(byte[] writeBuffer)

{

NetworkStream networkStream = m_ConnectTcpClient.GetStream();

if (networkStream.CanWrite)

{

networkStream.Write(writeBuffer, 0, writeBuffer.Length);

}

//TcpClient接收数据

public byte[] ReceiveData()

{

byte[] readBuffer = null;

NetworkStream networkStream = m_ConnectTcpClient.GetStream();

readBuffer = new byte[1024];

if (networkStream.CanRead)

{

networkStream.Read(readBuffer, 0, readBuffer.Length);

}

return readBuffer;

}

转载于:https://www.cnblogs.com/huadust/archive/2011/04/07/2008749.html