private static IObservable <Either <Socket, byte[]> > AcceptObservableWithBuffer(this Socket socket, SocketAsyncEventArgs eventArgs)
{
Contract.Requires(socket != null);
Contract.Requires(eventArgs != null);
Contract.Ensures(Contract.Result <IObservable <Either <Socket, byte[]> > >() != null);
return(socket
.AcceptObservable(eventArgs)
.Pair(
args => args.AcceptSocket,
args =>
{
byte[] buffer = args.Buffer;
if (buffer.Length > args.BytesTransferred)
{
var copy = new byte[args.BytesTransferred];
Array.Copy(buffer, copy, args.BytesTransferred);
buffer = copy;
}
return buffer;
}));
}
public static IObservable <Socket> AcceptObservable(this Socket socket)
{
Contract.Requires(socket != null);
Contract.Ensures(Contract.Result <IObservable <Socket> >() != null);
var args = new SocketAsyncEventArgs();
return(socket
.AcceptObservable(args)
.Select(e => e.AcceptSocket)
.Finally(args.Dispose));
}
