| public BeginReceive ( byte buffer, int offset, int size, SocketFlags socketFlags, AsyncCallback callback, object state ) : IAsyncResult | ||
| buffer | byte | The storage location for the received data. |
| offset | int | The zero-based position in the buffer parameter at which to store the received data. |
| size | int | The number of bytes to receive. |
| socketFlags | SocketFlags | A bitwise combination of the |
| callback | AsyncCallback | The |
| state | object | An object containing state information for this request. |
| 리턴 | IAsyncResult | |
///<summary>Starts the authentication process.</summary>
///<param name="Connection">The connection with the SOCKS client.</param>
///<param name="Callback">The method to call when the authentication is complete.</param>
internal override void StartAuthentication(SecureSocket Connection, AuthenticationCompleteDelegate Callback) {
this.Connection = Connection;
this.Callback = Callback;
try {
Bytes = null;
Connection.BeginReceive(Buffer, 0, Buffer.Length, SocketFlags.None, new AsyncCallback(this.OnRecvRequest), Connection);
} catch {
Callback(false);
}
}
/// <summary>
/// Begins an asynchronous read from a stream.
/// </summary>
/// <param name="buffer">The location in memory that stores the data from the stream.</param>
/// <param name="offset">The location in buffer to begin storing the data to.</param>
/// <param name="size">The maximum number of bytes to read.</param>
/// <param name="callback">The delegate to call when the asynchronous call is complete.</param>
/// <param name="state">An object containing additional information supplied by the client.</param>
/// <returns>An <see cref="IAsyncResult"/> representing the asynchronous call.</returns>
/// <exception cref="ArgumentNullException"><paramref name="buffer"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception>
/// <exception cref="ArgumentOutOfRangeException">The specified <paramref name="offset"/> or <paramref name="size"/> exceeds the size of <paramref name="buffer"/>.</exception>
/// <exception cref="IOException">There is a failure while reading from the network.</exception>
public override IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback callback, object state)
{
if (buffer == null)
{
throw new ArgumentNullException();
}
if (offset < 0 || offset > buffer.Length || size < 0 || size > buffer.Length - offset)
{
throw new ArgumentOutOfRangeException();
}
if (Socket == null)
{
throw new IOException();
}
try {
return(Socket.BeginReceive(buffer, offset, size, SocketFlags.None, callback, state));
} catch (Exception e) {
throw new IOException("An I/O exception occurred.", e);
}
}