/// <summary>
/// Handles a received packet.
/// </summary>
/// <param name="asyncResult">The result of the async operation.</param>
private void ReceiveFromHandler(IAsyncResult asyncResult)
{
try
{
NetworkBuffer buffer = this.EndReceiveFrom(asyncResult);
SCTPPacket packet = SCTPPacket.FromArray(buffer.Buffer, 0, buffer.BytesReceived);
if (packet != null)
{
packet.ReceivedFrom = buffer.ReceivedFrom;
this.sctpSocket.ProcessInboundPacket(packet);
}
this.BeginReceiveFrom();
}
catch (SocketException ex)
{
if (ex.ErrorCode == 10040)
{
// Message too long.
// reduce mtu...
}
sctpSocket.WriteConsole(ConsoleColor.Red, ex.ToString());
Environment.FailFast("-------------------------", ex);
}
catch (Exception ex)
{
sctpSocket.WriteConsole(ConsoleColor.Red, ex.ToString());
Environment.FailFast("-------------------------", ex);
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private IAsyncResult BeginReceiveFrom()
{
NetworkBuffer buffer = new NetworkBuffer(this.socket, this.mtu);
AsyncReceiveFrom asyncOp = new AsyncReceiveFrom(buffer, ReceiveFromHandler);
asyncOp.BeginReceiveFrom(SocketFlags.None);
return(asyncOp);
}
/// <summary>
/// Sends the packet to the end point.
/// </summary>
/// <param name="packet"></param>
/// <param name="destinationAddress"></param>
internal void SendPacket(SCTPPacket packet, IPEndPoint destinationAddress)
{
NetworkBuffer buffer = new NetworkBuffer(this.socket, packet.ToArray());
buffer.SendTo(SocketFlags.None, destinationAddress);
// Increment the flight size.
Interlocked.Increment(ref this.flightSize);
}