| #region Copyright notice and license |
| |
| // Copyright 2019 The gRPC Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #endregion |
| |
| using System; |
| using System.Collections.Generic; |
| using BenchmarkDotNet.Attributes; |
| using Grpc.Core; |
| using Grpc.Core.Internal; |
| |
| namespace Grpc.Microbenchmarks |
| { |
| [ClrJob, CoreJob] // test .NET Core and .NET Framework |
| [MemoryDiagnoser] // allocations |
| public class Utf8Encode : ISendStatusFromServerCompletionCallback |
| { |
| [Params(0, 1, 4, 128, 1024)] |
| public int PayloadSize |
| { |
| get { return payloadSize; } |
| set |
| { |
| payloadSize = value; |
| status = new Status(StatusCode.OK, Invent(value)); |
| } |
| } |
| |
| private int payloadSize; |
| private Status status; |
| |
| static string Invent(int length) |
| { |
| var rand = new Random(Seed: length); |
| var chars = new char[length]; |
| for(int i = 0; i < chars.Length; i++) |
| { |
| chars[i] = (char)rand.Next(32, 300); |
| } |
| return new string(chars); |
| } |
| |
| private GrpcEnvironment environment; |
| private CompletionRegistry completionRegistry; |
| [GlobalSetup] |
| public void Setup() |
| { |
| var native = NativeMethods.Get(); |
| |
| // nop the native-call via reflection |
| NativeMethods.Delegates.grpcsharp_call_send_status_from_server_delegate nop = (CallSafeHandle call, BatchContextSafeHandle ctx, StatusCode statusCode, IntPtr statusMessage, UIntPtr statusMessageLen, MetadataArraySafeHandle metadataArray, int sendEmptyInitialMetadata, SliceBufferSafeHandle optionalSendBuffer, WriteFlags writeFlags) => { |
| completionRegistry.Extract(ctx.Handle).OnComplete(true); // drain the dictionary as we go |
| return CallError.OK; |
| }; |
| native.GetType().GetField(nameof(native.grpcsharp_call_send_status_from_server)).SetValue(native, nop); |
| |
| environment = GrpcEnvironment.AddRef(); |
| metadata = MetadataArraySafeHandle.Create(Metadata.Empty); |
| completionRegistry = new CompletionRegistry(environment, () => environment.BatchContextPool.Lease(), () => throw new NotImplementedException()); |
| var cq = CompletionQueueSafeHandle.CreateAsync(completionRegistry); |
| call = CreateFakeCall(cq); |
| } |
| |
| private static CallSafeHandle CreateFakeCall(CompletionQueueSafeHandle cq) |
| { |
| var call = CallSafeHandle.CreateFake(new IntPtr(0xdead), cq); |
| bool success = false; |
| while (!success) |
| { |
| // avoid calling destroy on a nonexistent grpc_call pointer |
| call.DangerousAddRef(ref success); |
| } |
| return call; |
| } |
| |
| [GlobalCleanup] |
| public void Cleanup() |
| { |
| try |
| { |
| metadata?.Dispose(); |
| metadata = null; |
| call?.Dispose(); |
| call = null; |
| |
| if (environment != null) |
| { |
| environment = null; |
| // cleanup seems... unreliable on CLR |
| // GrpcEnvironment.ReleaseAsync().Wait(1000); |
| } |
| } |
| catch (Exception ex) |
| { |
| Console.Error.WriteLine(ex.Message); |
| } |
| } |
| private CallSafeHandle call; |
| private MetadataArraySafeHandle metadata; |
| |
| const int Iterations = 1000; |
| [Benchmark(OperationsPerInvoke = Iterations)] |
| public unsafe void SendStatus() |
| { |
| for (int i = 0; i < Iterations; i++) |
| { |
| call.StartSendStatusFromServer(this, status, metadata, false, SliceBufferSafeHandle.NullInstance, WriteFlags.NoCompress); |
| } |
| } |
| |
| void ISendStatusFromServerCompletionCallback.OnSendStatusFromServerCompletion(bool success) { } |
| } |
| } |