Adds zipkin.internal.Span2Converter

This adds an internal copy of a span conversion utility mentioned in issue #1499. This is starting internal to ease review and allow incremental progress. The first consumer will be dependency linking.
openzipkin · Jul 27, 2017 · f1066de · f1066de
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diff --git a/benchmarks/src/main/java/zipkin/benchmarks/Span2ConverterBenchmarks.java b/benchmarks/src/main/java/zipkin/benchmarks/Span2ConverterBenchmarks.java
@@ -0,0 +1,127 @@
+/**
+ * Copyright 2015-2017 The OpenZipkin 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 zipkin.benchmarks;
+
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Threads;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+import zipkin.Annotation;
+import zipkin.BinaryAnnotation;
+import zipkin.Constants;
+import zipkin.Endpoint;
+import zipkin.Span;
+import zipkin.TraceKeys;
+import zipkin.internal.Span2;
+import zipkin.internal.Span2Converter;
+import zipkin.internal.Util;
+
+@Measurement(iterations = 5, time = 1)
+@Warmup(iterations = 10, time = 1)
+@Fork(3)
+@BenchmarkMode(Mode.Throughput)
+@OutputTimeUnit(TimeUnit.MICROSECONDS)
+@State(Scope.Thread)
+@Threads(1)
+public class Span2ConverterBenchmarks {
+  Endpoint frontend = Endpoint.create("frontend", 127 << 24 | 1);
+  Endpoint backend = Endpoint.builder()
+    .serviceName("backend")
+    .ipv4(192 << 24 | 168 << 16 | 99 << 8 | 101)
+    .port(9000)
+    .build();
+
+  Span shared = Span.builder()
+    .traceIdHigh(Util.lowerHexToUnsignedLong("7180c278b62e8f6a"))
+    .traceId(Util.lowerHexToUnsignedLong("216a2aea45d08fc9"))
+    .parentId(Util.lowerHexToUnsignedLong("6b221d5bc9e6496c"))
+    .id(Util.lowerHexToUnsignedLong("5b4185666d50f68b"))
+    .name("get")
+    .timestamp(1472470996199000L)
+    .duration(207000L)
+    .addAnnotation(Annotation.create(1472470996199000L, Constants.CLIENT_SEND, frontend))
+    .addAnnotation(Annotation.create(1472470996238000L, Constants.WIRE_SEND, frontend))
+    .addAnnotation(Annotation.create(1472470996250000L, Constants.SERVER_RECV, backend))
+    .addAnnotation(Annotation.create(1472470996350000L, Constants.SERVER_SEND, backend))
+    .addAnnotation(Annotation.create(1472470996403000L, Constants.WIRE_RECV, frontend))
+    .addAnnotation(Annotation.create(1472470996406000L, Constants.CLIENT_RECV, frontend))
+    .addBinaryAnnotation(BinaryAnnotation.create(TraceKeys.HTTP_PATH, "/api", frontend))
+    .addBinaryAnnotation(BinaryAnnotation.create(TraceKeys.HTTP_PATH, "/backend", backend))
+    .addBinaryAnnotation(BinaryAnnotation.create("clnt/finagle.version", "6.45.0", frontend))
+    .addBinaryAnnotation(BinaryAnnotation.create("srv/finagle.version", "6.44.0", backend))
+    .addBinaryAnnotation(BinaryAnnotation.address(Constants.CLIENT_ADDR, frontend))
+    .addBinaryAnnotation(BinaryAnnotation.address(Constants.SERVER_ADDR, backend))
+    .build();
+
+  Span server = Span.builder()
+    .traceIdHigh(Util.lowerHexToUnsignedLong("7180c278b62e8f6a"))
+    .traceId(Util.lowerHexToUnsignedLong("216a2aea45d08fc9"))
+    .parentId(Util.lowerHexToUnsignedLong("6b221d5bc9e6496c"))
+    .id(Util.lowerHexToUnsignedLong("5b4185666d50f68b"))
+    .name("get")
+    .addAnnotation(Annotation.create(1472470996250000L, Constants.SERVER_RECV, backend))
+    .addAnnotation(Annotation.create(1472470996350000L, Constants.SERVER_SEND, backend))
+    .addBinaryAnnotation(BinaryAnnotation.create(TraceKeys.HTTP_PATH, "/backend", backend))
+    .addBinaryAnnotation(BinaryAnnotation.create("srv/finagle.version", "6.44.0", backend))
+    .addBinaryAnnotation(BinaryAnnotation.address(Constants.CLIENT_ADDR, frontend))
+    .build();
+
+  Span2 server2 = Span2.builder()
+    .traceId("7180c278b62e8f6a216a2aea45d08fc9")
+    .parentId("6b221d5bc9e6496c")
+    .id("5b4185666d50f68b")
+    .name("get")
+    .kind(Span2.Kind.SERVER)
+    .shared(true)
+    .localEndpoint(backend)
+    .remoteEndpoint(frontend)
+    .timestamp(1472470996250000L)
+    .duration(100000L)
+    .putTag(TraceKeys.HTTP_PATH, "/backend")
+    .putTag("srv/finagle.version", "6.44.0")
+    .build();
+
+  @Benchmark public List<Span2> fromSpan_splitShared() {
+    return Span2Converter.fromSpan(shared);
+  }
+
+  @Benchmark public List<Span2> fromSpan() {
+    return Span2Converter.fromSpan(server);
+  }
+
+  @Benchmark public Span toSpan() {
+    return Span2Converter.toSpan(server2);
+  }
+
+  // Convenience main entry-point
+  public static void main(String[] args) throws RunnerException {
+    Options opt = new OptionsBuilder()
+      .include(".*" + Span2ConverterBenchmarks.class.getSimpleName() + ".*")
+      .build();
+
+    new Runner(opt).run();
+  }
+}