| /* |
| * Copyright 2016 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. |
| */ |
| |
| package io.grpc.netty; |
| |
| import io.grpc.Metadata; |
| import io.grpc.Metadata.AsciiMarshaller; |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.UnpooledByteBufAllocator; |
| import io.netty.handler.codec.http2.DefaultHttp2HeadersEncoder; |
| import io.netty.handler.codec.http2.Http2Headers; |
| import io.netty.handler.codec.http2.Http2HeadersEncoder; |
| import io.netty.util.AsciiString; |
| import java.util.UUID; |
| import java.util.concurrent.TimeUnit; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
| import org.openjdk.jmh.annotations.Mode; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| import org.openjdk.jmh.annotations.Param; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| |
| /** |
| * Header encoding benchmark. |
| */ |
| @State(Scope.Benchmark) |
| public class OutboundHeadersBenchmark { |
| @Param({"1", "5", "10", "20"}) |
| public int headerCount; |
| |
| private final AsciiMarshaller<String> keyMarshaller = new AsciiMarshaller<String>() { |
| @Override |
| public String toAsciiString(String value) { |
| return value; |
| } |
| |
| @Override |
| public String parseAsciiString(String serialized) { |
| return serialized; |
| } |
| }; |
| |
| private final Metadata metadata = new Metadata(); |
| private final AsciiString scheme = new AsciiString("https"); |
| private final AsciiString defaultPath = new AsciiString("/Service.MethodMethodMethod"); |
| private final AsciiString authority = new AsciiString("authority.googleapis.bogus"); |
| private final AsciiString userAgent = new AsciiString("grpc-java-netty"); |
| private final Http2HeadersEncoder headersEncoder = new DefaultHttp2HeadersEncoder(); |
| private final ByteBuf scratchBuffer = UnpooledByteBufAllocator.DEFAULT.buffer(4096); |
| |
| @Setup |
| public void setUp() throws Exception { |
| for (int i = 0; i < headerCount; i++) { |
| metadata.put(Metadata.Key.of("key-" + i, keyMarshaller), UUID.randomUUID().toString()); |
| } |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public Http2Headers convertClientHeaders() { |
| return Utils.convertClientHeaders(metadata, scheme, defaultPath, authority, Utils.HTTP_METHOD, |
| userAgent); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public Http2Headers convertServerHeaders() { |
| return Utils.convertServerHeaders(metadata); |
| } |
| |
| /** |
| * This will encode the random metadata fields, and repeatedly lookup the default other headers. |
| */ |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public ByteBuf encodeClientHeaders() throws Exception { |
| scratchBuffer.clear(); |
| Http2Headers headers = |
| Utils.convertClientHeaders(metadata, scheme, defaultPath, authority, Utils.HTTP_METHOD, |
| userAgent); |
| headersEncoder.encodeHeaders(1, headers, scratchBuffer); |
| return scratchBuffer; |
| } |
| } |