/// <summary>
/// Called when the authentication bytes have been sent.
/// </summary>
/// <param name="ar">Stores state information for this asynchronous operation as well as any user-defined data.</param>
private void OnSent(IAsyncResult ar)
{
try {
Endpoint.EndSend(ar);
Buffer = new byte[2];
Endpoint.BeginReceive(Buffer, 0, 2, SocketFlags.None, OnReceive, Endpoint);
} catch (Exception e) {
_callBack(e);
}
}
/// <summary>
/// Called when the socket received an authentication reply.
/// </summary>
/// <param name="ar">Stores state information for this asynchronous operation as well as any user-defined data.</param>
private void OnReceive(IAsyncResult ar)
{
try {
Received += Endpoint.EndReceive(ar);
if (Received == Buffer.Length)
{
if (Buffer[1] == 0)
{
_callBack(null);
}
else
{
throw new SocksProxyException("Username/password combination not accepted.");
}
}
else
{
Endpoint.BeginReceive(Buffer, Received, Buffer.Length - Received, SocketFlags.None, OnReceive, Endpoint);
}
} catch (Exception e) {
_callBack(e);
}
}