public static Task <ReceiveFromOutput> ReceiveFromAsync(this Socket socket, byte[] buffer, int offset, int size,
SocketFlags socketFlags, EndPoint remoteEp)
{
var input = new ReceiveFromInput(socket, remoteEp);
var tcs = new TaskCompletionSource <ReceiveFromOutput>(input);
socket.BeginReceiveFrom(buffer, offset, size, socketFlags, ref remoteEp, ar =>
{
var t = (TaskCompletionSource <ReceiveFromOutput>)ar.AsyncState;
var input2 = (ReceiveFromInput)t.Task.AsyncState;
Socket s = input2.Socket;
EndPoint ep = input2.RemoteEp;
try
{
int recv = s.EndReceiveFrom(ar, ref ep);
var output = new ReceiveFromOutput(recv, ep);
t.TrySetResult(output);
}
catch (Exception ex)
{
t.TrySetException(ex);
}
}, tcs);
return(tcs.Task);
}
public static Task<ReceiveFromOutput> ReceiveFromAsync(this Socket socket, byte[] buffer, int offset, int size,
SocketFlags socketFlags, EndPoint remoteEp)
{
var input = new ReceiveFromInput(socket, remoteEp);
var tcs = new TaskCompletionSource<ReceiveFromOutput>(input);
socket.BeginReceiveFrom(buffer, offset, size, socketFlags, ref remoteEp, ar =>
{
var t = (TaskCompletionSource<ReceiveFromOutput>)ar.AsyncState;
var input2 = (ReceiveFromInput)t.Task.AsyncState;
Socket s = input2.Socket;
EndPoint ep = input2.RemoteEp;
try
{
int recv = s.EndReceiveFrom(ar, ref ep);
var output = new ReceiveFromOutput(recv, ep);
t.TrySetResult(output);
}
catch (Exception ex)
{
t.TrySetException(ex);
}
}, tcs);
return tcs.Task;
}
