public SocketConnectionResult Connect()
{
SocketConnectionResult status = (clientSocket.Connected) ? SocketConnectionResult.CONNECTED : SocketConnectionResult.DISCONNECTED;
if (status == SocketConnectionResult.DISCONNECTED)
{
try
{
clientSocket.Connect(this.IpAddress, this.Port);
status = SocketConnectionResult.CONNECTED;
}
catch (TimeoutException) { status = SocketConnectionResult.CONNECT_TIMEOUT; this.Disconnect(); return(status); }
catch (SystemException) { status = SocketConnectionResult.CONNECT_ERROR; this.Disconnect(); return(status); }
}
return(status);
}
public static string Build(SocketConnectionResult error, string httpVersion)
{
switch (error)
{
case SocketConnectionResult.AuthenticationError:
return(httpVersion + "401 Unauthorized\r\n\r\n");
case SocketConnectionResult.HostUnreachable:
case SocketConnectionResult.ConnectionRefused:
case SocketConnectionResult.ConnectionReset:
return(string.Concat(httpVersion, "502 ", error.ToString(), "\r\n\r\n"));
default:
return(string.Concat(httpVersion, "500 Internal Server Error\r\nX-Proxy-Error-Type: ", error.ToString(), "\r\n\r\n"));
}
}
public SocketConnectionResult Disconnect()
{
SocketConnectionResult status = (clientSocket.Connected) ? SocketConnectionResult.CONNECTED : SocketConnectionResult.DISCONNECTED;
if (status == SocketConnectionResult.CONNECTED)
{
try
{
clientSocket.Close();
clientSocket = new TcpClient()
{
ReceiveTimeout = this.ReceiveTimeout
};
status = SocketConnectionResult.DISCONNECTED;
}
catch (TimeoutException) { status = SocketConnectionResult.DISCONNECT_TIMEOUT; return(status); }
catch (SystemException) { status = SocketConnectionResult.DISCONNECT_ERROR; return(status); }
}
return(status);
}
