public void UnaryCallPerformance()
{
var profiler = new BasicProfiler();
Profilers.SetForCurrentThread(profiler);
helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) =>
{
return request;
});
var callDetails = helper.CreateUnaryCall();
for(int i = 0; i < 3000; i++)
{
Calls.BlockingUnaryCall(callDetails, "ABC");
}
profiler.Reset();
for(int i = 0; i < 3000; i++)
{
Calls.BlockingUnaryCall(callDetails, "ABC");
}
profiler.Dump("latency_trace_csharp.txt");
}
internal static void AddProfiler(BasicProfiler profiler)
{
GrpcPreconditions.CheckNotNull(profiler);
profilers.Add(profiler);
}
private Task RunClientAsync(Channel channel, IInterarrivalTimer timer, BasicProfiler optionalProfiler)
{
if (payloadConfig.PayloadCase == PayloadConfig.PayloadOneofCase.BytebufParams)
{
GrpcPreconditions.CheckArgument(clientType == ClientType.AsyncClient, "Generic client only supports async API");
GrpcPreconditions.CheckArgument(rpcType == RpcType.Streaming, "Generic client only supports streaming calls");
return RunGenericStreamingAsync(channel, timer);
}
GrpcPreconditions.CheckNotNull(payloadConfig.SimpleParams);
if (clientType == ClientType.SyncClient)
{
GrpcPreconditions.CheckArgument(rpcType == RpcType.Unary, "Sync client can only be used for Unary calls in C#");
// create a dedicated thread for the synchronous client
return Task.Factory.StartNew(() => RunUnary(channel, timer, optionalProfiler), TaskCreationOptions.LongRunning);
}
else if (clientType == ClientType.AsyncClient)
{
switch (rpcType)
{
case RpcType.Unary:
return RunUnaryAsync(channel, timer);
case RpcType.Streaming:
return RunStreamingPingPongAsync(channel, timer);
}
}
throw new ArgumentException("Unsupported configuration.");
}
private void RunUnary(Channel channel, IInterarrivalTimer timer, BasicProfiler optionalProfiler)
{
if (optionalProfiler != null)
{
Profilers.SetForCurrentThread(optionalProfiler);
}
bool profilerReset = false;
var client = new BenchmarkService.BenchmarkServiceClient(channel);
var request = CreateSimpleRequest();
var stopwatch = new Stopwatch();
while (!stoppedCts.Token.IsCancellationRequested)
{
// after the first stats reset, also reset the profiler.
if (optionalProfiler != null && !profilerReset && statsResetCount.Count > 0)
{
optionalProfiler.Reset();
profilerReset = true;
}
stopwatch.Restart();
client.UnaryCall(request);
stopwatch.Stop();
// spec requires data point in nanoseconds.
histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
timer.WaitForNext();
}
}
