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);
}
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;
});
}
