public static SocketAwaitable SendToAsync(this Socket socket, SocketAwaitable awaitable)
{
awaitable.Reset();
if (!socket.SendToAsync(awaitable.m_eventArgs))
{
awaitable.m_wasCompleted = true;
}
return(awaitable);
}
public async void Start()
{
while (true)
{
try
{
// Reusable SocketAsyncEventArgs and awaitable wrapper
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
args.SetBuffer(new byte[0x1000], 0, 0x1000);
args.RemoteEndPoint = _listener.LocalEndPoint;
SocketAwaitable awaitable = new SocketAwaitable(args);
// Do processing, continually receiving from the socket
while (true)
{
await _listener.ReceiveFromAsync(awaitable);
int bytesRead = args.BytesTransferred;
if (bytesRead <= 0)
{
break;
}
if (OnRequest != null)
{
Task.Factory.StartNew(() => OnRequest(args));
}
else
{
// defaults to console dump if no listener is bound
Task.Factory.StartNew(() => ProcessReceiveFrom(args));
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
// listener restarts if an exception occurs
}
}
public async void SendToAsync(SocketAsyncEventArgs args)
{
SocketAwaitable awaitable = new SocketAwaitable(args);
await _listener.SendToAsync(awaitable);
}