private void asyncReceiveCallback(IAsyncResult ar)
{
if (disposed) // This continues in the background, so shut down if disposed
{
return;
}
// Set up the state
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
EndPoint senderEP = (EndPoint)sender;
asyncReceiveState ars = (asyncReceiveState)ar.AsyncState;
// Receive the packet
try
{
ars.bufferChunk.Length = ars.sock.EndReceiveFrom(ar, ref senderEP);
// We get back a size of 0 when the socket read fails due to timeout
if (ars.bufferChunk.Length > 0)
{
// Send the data back to the app that called AsyncReceiveFrom
ars.receivedFromCallback(ars.bufferChunk, senderEP);
}
}
catch (Exception e)
{
//Pri2: This used to throw a network timeout event into the EventQueue when it was a synchronous receive
System.Diagnostics.Debug.WriteLine(e.ToString());
System.Diagnostics.Debugger.Break();
}
// Start another pending network read
AsyncReceiveFrom(ars.queue, ars.receivedFromCallback);
}
public void AsyncReceiveFrom(Queue queueOfBufferChunks, ReceivedFromCallback callback)
{
if (disposed) // This continues in the background, so shut down if disposed
{
return;
}
// Set up the state
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
EndPoint senderEP = (EndPoint)sender;
BufferChunk bc = (BufferChunk)queueOfBufferChunks.Dequeue();
asyncReceiveState ars = new asyncReceiveState(this.sock, bc, queueOfBufferChunks, callback);
// Start the ReceiveFrom
sock.BeginReceiveFrom(bc, ref senderEP, new AsyncCallback(asyncReceiveCallback), ars);
}
public void AsyncReceiveFrom(Queue queueOfBufferChunks, ReceivedFromCallback callback)
{
if (disposed) // This continues in the background, so shut down if disposed
{
return;
}
// Set up the state
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
EndPoint senderEP = (EndPoint)sender;
BufferChunk bc = (BufferChunk)queueOfBufferChunks.Dequeue();
asyncReceiveState ars = new asyncReceiveState(this.sock, bc, queueOfBufferChunks, callback);
// Start the ReceiveFrom
sock.BeginReceiveFrom(bc, ref senderEP, new AsyncCallback(asyncReceiveCallback), ars);
}
