async Task <Result> ClientSingleConnectionAsync(Direction dir, AsyncManualResetEvent fireMeWhenReady, CancellationToken cancel)
{
Result ret = new Result();
using (NetPalTcpProtocolStub tcp = new NetPalTcpProtocolStub(cancel: cancel))
{
await tcp.ConnectAsync(ServerIP, ServerPort, cancel, ConnectTimeout);
using (ConnSock sock = new ConnSock(tcp))
{
NetAppStub app = sock.GetNetAppProtocolStub();
AttachHandle attachHandle = app.AttachHandle;
PipeStream st = app.GetStream();
if (dir == Direction.Recv)
{
app.AttachHandle.SetStreamReceiveTimeout(RecvTimeout);
}
try
{
var hello = await st.ReceiveAllAsync(16);
if (hello.Span.ToArray()._GetString_Ascii().StartsWith("TrafficServer\r\n") == false)
{
throw new ApplicationException("Target server is not a Traffic Server.");
}
//throw new ApplicationException("aaaa" + dir.ToString());
fireMeWhenReady.Set();
cancel.ThrowIfCancellationRequested();
await TaskUtil.WaitObjectsAsync(
manualEvents : ClientStartEvent._SingleArray(),
cancels : cancel._SingleArray()
);
long tickStart = FastTick64.Now;
long tickEnd = tickStart + this.TimeSpan;
var sendData = new MemoryBuffer <byte>();
sendData.WriteBool8(dir == Direction.Recv);
sendData.WriteUInt64(SessionId);
sendData.WriteSInt64(TimeSpan);
await st.SendAsync(sendData);
if (dir == Direction.Recv)
{
RefInt totalRecvSize = new RefInt();
while (true)
{
long now = FastTick64.Now;
if (now >= tickEnd)
{
break;
}
await TaskUtil.WaitObjectsAsync(
tasks : st.FastReceiveAsync(totalRecvSize : totalRecvSize)._SingleArray(),
timeout : (int)(tickEnd - now),
exceptions : ExceptionWhen.TaskException | ExceptionWhen.CancelException);
ret.NumBytesDownload += totalRecvSize;
}
}
else
{
attachHandle.SetStreamReceiveTimeout(Timeout.Infinite);
while (true)
{
long now = FastTick64.Now;
if (now >= tickEnd)
{
break;
}
/*await WebSocketHelper.WaitObjectsAsync(
* tasks: st.FastSendAsync(SendData, flush: true).ToSingleArray(),
* timeout: (int)(tick_end - now),
* exceptions: ExceptionWhen.TaskException | ExceptionWhen.CancelException);*/
await st.FastSendAsync(SendData, flush : true);
}
Task recvResult = Task.Run(async() =>
{
var recvMemory = await st.ReceiveAllAsync(8);
MemoryBuffer <byte> recvMemoryBuf = recvMemory;
ret.NumBytesUpload = recvMemoryBuf.ReadSInt64();
st.Disconnect();
});
Task sendSurprise = Task.Run(async() =>
{
byte[] surprise = new byte[260];
surprise.AsSpan().Fill((byte)'!');
while (true)
{
await st.SendAsync(surprise);
await TaskUtil.WaitObjectsAsync(
manualEvents: sock.Pipe.OnDisconnectedEvent._SingleArray(),
timeout: 200);
}
});
await WhenAll.Await(false, recvResult, sendSurprise);
await recvResult;
}
st.Disconnect();
return(ret);
}
catch (Exception ex)
{
ExceptionQueue !.Add(ex);
throw;
}
}
}
}
