1 files changed, 155 insertions, 0 deletions
diff --git a/benchmarks/java/src/main/java/com/google/protocolbuffers/ProtoBench.java b/benchmarks/java/src/main/java/com/google/protocolbuffers/ProtoBench.java
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+++ b/benchmarks/java/src/main/java/com/google/protocolbuffers/ProtoBench.java
@@ -0,0 +1,155 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2009 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+package com.google.protocolbuffers;
+
+import com.google.caliper.BeforeExperiment;
+import com.google.caliper.Benchmark;
+import com.google.caliper.Param;
+import com.google.caliper.runner.CaliperMain;
+import com.google.protobuf.ByteString;
+import com.google.protobuf.CodedInputStream;
+import com.google.protobuf.CodedOutputStream;
+import com.google.protobuf.ExtensionRegistry;
+import com.google.protobuf.Message;
+import com.google.protobuf.benchmarks.Benchmarks.BenchmarkDataset;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.RandomAccessFile;
+import java.util.ArrayList;
+import java.util.List;
+
+
+public class ProtoBench {
+
+  private ProtoBench() {
+    // Prevent instantiation
+  }
+    
+  public static void main(String[] args) {
+    if (args.length < 1) {
+      System.err.println("Usage: ./java-benchmark <input data>");
+      System.err.println("input data is in the format of \"benchmarks.proto\"");
+      System.exit(1);
+    }
+    boolean success = true;
+    for (int i = 0; i < args.length; i++) {
+      success &= runTest(args[i]);
+    }
+    System.exit(success ? 0 : 1);
+  }
+ 
+  /**
+   * Runs a single test with specific test data. Error messages are displayed to stderr, 
+   * and the return value indicates general success/failure.
+   */
+  public static boolean runTest(String file) {
+    byte[] inputData;
+    BenchmarkDataset benchmarkDataset;
+    try {
+      inputData = readAllBytes(file);
+      benchmarkDataset = BenchmarkDataset.parseFrom(inputData);
+    } catch (IOException e) {
+      System.err.println("Unable to get input data");
+      return false;
+    }
+    
+    List<String> argsList = getCaliperOption(benchmarkDataset);
+    if (argsList == null) {
+      System.err.println("Unable to get default message " + benchmarkDataset.getMessageName());
+      return false;
+    }
+    argsList.add("-DdataFile=" + file);
+    argsList.add("com.google.protocolbuffers.ProtoBenchCaliper");
+    
+    try {
+      String args[] = new String[argsList.size()];
+      argsList.toArray(args);
+      CaliperMain.exitlessMain(args, 
+          new PrintWriter(System.out, true), new PrintWriter(System.err, true));
+      return true;
+    } catch (Exception e) {
+      System.err.println("Error: " + e.getMessage());
+      System.err.println("Detailed exception information:");
+      e.printStackTrace(System.err);
+      return false;
+    }
+  }
+  
+  
+  private static List<String> getCaliperOption(final BenchmarkDataset benchmarkDataset) {
+    List<String> temp = new ArrayList<String>();
+    if (benchmarkDataset.getMessageName().equals("benchmarks.proto3.GoogleMessage1")) {
+      temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE1_PROTO3");
+    } else if (benchmarkDataset.getMessageName().equals("benchmarks.proto2.GoogleMessage1")) {
+      temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE1_PROTO2");
+    } else if (benchmarkDataset.getMessageName().equals("benchmarks.proto2.GoogleMessage2")) {
+      temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE2");
+    } else if (benchmarkDataset.getMessageName().
+        equals("benchmarks.google_message3.GoogleMessage3")) {
+      temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE3");
+      for (String opt : ProtoBenchCaliper
+                          .BenchmarkMessageType.GOOGLE_MESSAGE3.getSpecificCaliperOption()) {
+        temp.add(opt);
+      }
+    } else if (benchmarkDataset.getMessageName().
+        equals("benchmarks.google_message4.GoogleMessage4")) {
+      temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE4");
+      for (String opt : ProtoBenchCaliper
+                          .BenchmarkMessageType.GOOGLE_MESSAGE4.getSpecificCaliperOption()) {
+        temp.add(opt);
+      }
+    } else {
+      return null;
+    }
+    
+    temp.add("-i");
+    temp.add("runtime");
+    temp.add("-b");
+    String benchmarkNames = "serializeToByteString,serializeToByteArray,serializeToMemoryStream"
+       + ",deserializeFromByteString,deserializeFromByteArray,deserializeFromMemoryStream";
+    temp.add(benchmarkNames);
+    
+    return temp;
+  }
+  
+  public static byte[] readAllBytes(String filename) throws IOException {
+    RandomAccessFile file = new RandomAccessFile(new File(filename), "r");
+    byte[] content = new byte[(int) file.length()];
+    file.readFully(content);
+    return content;
+  }
+}