/// <summary>
/// Sends data as bytes over the socket.
/// </summary>
/// <param name="data">The data to send.</param>
private void Send(byte[] data)
{
if (cancelSource != null && cancelSource.IsCancellationRequested)
{
return;
}
// Begin sending the data to the remote device.
AysnchronousMessage msg = new AysnchronousMessage(sock, data);
sock.BeginSend(data, 0, data.Length, 0, new AsyncCallback(SendCallback), msg);
sendDone.WaitOne();
sendDone.Reset();
}
/// <summary>
/// The callback called once the data has been sent.
/// </summary>
/// <param name="res">The asynchronous result.</param>
private static void SendCallback(IAsyncResult res)
{
// Retrieve the socket from the state object.
AysnchronousMessage msg = (AysnchronousMessage)res.AsyncState;
// Complete the send operation.
int bytesSent = msg.sock.EndSend(res);
// Send any remaing data
int offset = bytesSent;
int length = msg.data.Length;
int remaining = length - offset;
while (remaining > 0)
{
int additional = msg.sock.Send(msg.data, offset, remaining, 0);
offset += additional;
remaining -= additional;
}
// Signal that the message has been sent.
sendDone.Set();
}
