CTcpClient类的源文件
转载：
http://blog.chiwudaili.com/detail.aspx?id=6b46e08d4c482f304e976a1081e40352
public class CTcpClient
{
private Socket ClientSocket { get; set; }
public CTcpClient()
{
ClientSocket = null;
}
public CTcpClient(Socket socket)
{
ClientSocket = socket;
}
public bool Start(int port = 8080, string ip = "127.0.0.1", int timeoutInSec = 10)
{
try
{
IPAddress ipA = IPAddress.Parse(ip);
ClientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
ClientSocket.SendTimeout = timeoutInSec * 1000;
ClientSocket.ReceiveTimeout = timeoutInSec * 1000;
ClientSocket.Connect(new IPEndPoint(ipA, port));
}
catch (Exception)
{
return false;
}
return true;
}
public int Receive(byte[] buffer, int offset, int size)
{
SocketError socketError = SocketError.Success;
int rel = ClientSocket.Receive(buffer, offset, size, SocketFlags.None, out socketError);
if (socketError == SocketError.Success)
{
return rel;
}
return -1;
}
public int Send(byte[] buffer, int offset, int size)
{
SocketError socketError = SocketError.Success;
int rel = ClientSocket.Send(buffer, offset, size, SocketFlags.None, out socketError);
if (socketError == SocketError.Success)
{
return rel;
}
return -1;
}
public void Close()
{
if (ClientSocket!=null)
{
try
{
ClientSocket.Disconnect(false);
}
catch (Exception e)
{
}
try
{
ClientSocket.Dispose();
}
catch (Exception e)
{
}
try
{
ClientSocket.Close();
}
catch (Exception e)
{
}
ClientSocket = null;
}
}
}