1 #region Copyright notice and license 2 // Protocol Buffers - Google's data interchange format 3 // Copyright 2019 Google Inc. All rights reserved. 4 // https://github.com/protocolbuffers/protobuf 5 // 6 // Redistribution and use in source and binary forms, with or without 7 // modification, are permitted provided that the following conditions are 8 // met: 9 // 10 // * Redistributions of source code must retain the above copyright 11 // notice, this list of conditions and the following disclaimer. 12 // * Redistributions in binary form must reproduce the above 13 // copyright notice, this list of conditions and the following disclaimer 14 // in the documentation and/or other materials provided with the 15 // distribution. 16 // * Neither the name of Google Inc. nor the names of its 17 // contributors may be used to endorse or promote products derived from 18 // this software without specific prior written permission. 19 // 20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 #endregion 32 33 using Benchmarks; 34 using Google.Protobuf.Reflection; 35 using System; 36 using System.Collections.Generic; 37 using System.IO; 38 using System.Linq; 39 using System.Reflection; 40 41 namespace Google.Protobuf.Benchmarks 42 { 43 /// <summary> 44 /// The configuration for a single serialization test, loaded from a dataset. 45 /// </summary> 46 public class BenchmarkDatasetConfig 47 { 48 private static readonly Dictionary<string, MessageParser> parsersByMessageName = 49 typeof(GoogleMessageBenchmark).Assembly.GetTypes() 50 .Where(t => typeof(IMessage).IsAssignableFrom(t)) 51 .ToDictionary( 52 t => ((MessageDescriptor) t.GetProperty("Descriptor", BindingFlags.Static | BindingFlags.Public).GetValue(null)).FullName, 53 t => ((MessageParser) t.GetProperty("Parser", BindingFlags.Static | BindingFlags.Public).GetValue(null))); 54 55 public MessageParser Parser { get; } 56 public List<byte[]> Payloads { get; } 57 public string Name { get; } 58 BenchmarkDatasetConfig(string resource, string shortName = null)59 public BenchmarkDatasetConfig(string resource, string shortName = null) 60 { 61 var data = LoadData(resource); 62 var dataset = BenchmarkDataset.Parser.ParseFrom(data); 63 64 if (!parsersByMessageName.TryGetValue(dataset.MessageName, out var parser)) 65 { 66 throw new ArgumentException($"No parser for message {dataset.MessageName} in this assembly"); 67 } 68 Parser = parser; 69 Payloads = new List<byte[]>(dataset.Payload.Select(p => p.ToByteArray())); 70 Name = shortName ?? dataset.Name; 71 } 72 LoadData(string resource)73 private static byte[] LoadData(string resource) 74 { 75 using (var stream = typeof(GoogleMessageBenchmark).Assembly.GetManifestResourceStream($"Google.Protobuf.Benchmarks.{resource}")) 76 { 77 if (stream == null) 78 { 79 throw new ArgumentException($"Unable to load embedded resource {resource}"); 80 } 81 var copy = new MemoryStream(); 82 stream.CopyTo(copy); 83 return copy.ToArray(); 84 } 85 } 86 ToString()87 public override string ToString() => Name; 88 } 89 } 90