/// <summary>
/// Starts the process of routing the request by parsing the request information of the client and
/// creating a destination socket as required.
/// </summary>
public void Start()
{
if (disposed)
{
throw new ObjectDisposedException("this");
}
lock (synchronize)
{
if (destinationSocket != null)
{
return;
}
destinationSocket = new ForwardSocket(client);
destinationSocket.ProxyAddress = client.GetClientAddress();
destinationSocket.ProxyPort = client.Configuration.SocksPort;
string proxyConnection;
if (connection.Headers.TryGetValue("Proxy-Connection", out proxyConnection) && proxyConnection.Equals("keep-alive", StringComparison.CurrentCultureIgnoreCase))
{
destinationSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, 1);
}
destinationSocket.BeginConnect(connection.Host, connection.Port, OnSocketConnected, null);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Socks5Processor"/> class.
/// </summary>
/// <param name="socket">The socket which is connected to the proxy network.</param>
public Socks5Processor(ForwardSocket socket)
{
this.asyncResult = new Socks5AsyncResult();
this.buffer = new byte[512];
this.endAddress = null;
this.endPoint = null;
this.endPort = 0;
this.finalLength = 0;
this.socket = socket;
}
/// <summary>
/// Initializes a new instance of the <see cref="ConnectionProcessor"/> class.
/// </summary>
/// <param name="client">The client hosting the proxy connection.</param>
/// <param name="connection">The connection associated with the connected client.</param>
public ConnectionProcessor(Client client, Connection connection, ConnectionProcessorDisposedCallback disposedCallback)
{
this.client = client;
this.connection = connection;
this.connectionBuffer = new byte[2048];
this.destinationBuffer = new byte[2048];
this.destinationSocket = null;
this.disposed = false;
this.disposedCallback = disposedCallback;
this.synchronize = new object();
}
/// <summary>
/// Shuts down the connection processor by terminating the proxy connection.
/// </summary>
public void Shutdown()
{
lock (synchronize)
{
if (destinationSocket != null)
{
try
{
destinationSocket.Shutdown(SocketShutdown.Both);
}
catch { }
destinationSocket.Dispose();
destinationSocket = null;
}
}
}