private static async Task DoReceiveAsync(Socket udpSocket, ThroughputCounter throughput, CancellationToken cancelToken)
{
// Taking advantage of pre-pinned memory here using the .NET5 POH (pinned object heap).
var buffer = GC.AllocateArray <byte>(PacketSize, true);
var bufferMem = buffer.AsMemory();
while (!cancelToken.IsCancellationRequested)
{
try
{
var result = await udpSocket.ReceiveFromAsync(bufferMem);
// The result tells me where it came from, and gives me the data.
if (result is SocketReceiveFromResult recvResult)
{
throughput.Add(recvResult.ReceivedBytes);
}
else
{
break;
}
}
catch (SocketException)
{
// Socket exception means we are finished.
break;
}
}
}
private static async Task DoSendAsync(Socket udpSocket, IPEndPoint destination, ThroughputCounter throughput, CancellationToken cancelToken)
{
// Taking advantage of pre-pinned memory here using the .NET 5 POH (pinned object heap).
var buffer = GC.AllocateArray <byte>(PacketSize, true);
var bufferMem = buffer.AsMemory();
// Put something approaching meaningful data in the buffer.
for (var idx = 0; idx < PacketSize; idx++)
{
bufferMem.Span[idx] = (byte)idx;
}
while (!cancelToken.IsCancellationRequested)
{
await udpSocket.SendToAsync(destination, bufferMem);
throughput.Add(bufferMem.Length);
}
}
private static async Task DoReceiveAsync(Socket udpSocket, ThroughputCounter throughput, CancellationToken cancelToken)
{
// Taking advantage of pre-pinned memory here using the .NET5 POH (pinned object heap).
byte[] buffer = GC.AllocateArray <byte>(length: 65527, pinned: true);
Memory <byte> bufferMem = buffer.AsMemory();
while (!cancelToken.IsCancellationRequested)
{
try
{
var result = await udpSocket.ReceiveFromAsync(bufferMem, SocketFlags.None, _blankEndpoint);
throughput.Add(result.ReceivedBytes);
}
catch (SocketException)
{
// Socket exception means we are finished.
break;
}
}
}
