| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.htrace.impl; |
| |
| import com.twitter.zipkin.gen.LogEntry; |
| import com.twitter.zipkin.gen.ResultCode; |
| import com.twitter.zipkin.gen.Scribe; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.concurrent.ArrayBlockingQueue; |
| import java.util.concurrent.BlockingQueue; |
| import org.apache.commons.codec.binary.Base64; |
| import org.apache.htrace.core.AlwaysSampler; |
| import org.apache.htrace.core.HTraceConfiguration; |
| import org.apache.htrace.core.MilliSpan; |
| import org.apache.htrace.core.Span; |
| import org.apache.htrace.core.SpanId; |
| import org.apache.htrace.core.TraceCreator; |
| import org.apache.htrace.core.TraceScope; |
| import org.apache.htrace.core.Tracer; |
| import org.apache.htrace.core.TracerPool; |
| import org.apache.thrift.TException; |
| import org.apache.thrift.protocol.TBinaryProtocol; |
| import org.apache.thrift.transport.TMemoryBuffer; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestZipkinSpanReceiver { |
| |
| private Tracer newTracer(final Scribe.Iface scribe) { |
| TracerPool pool = new TracerPool("newTracer"); |
| pool.addReceiver(new ZipkinSpanReceiver(HTraceConfiguration.EMPTY) { |
| @Override Scribe.Iface newScribe() { |
| return scribe; |
| } |
| }); |
| return new Tracer.Builder(). |
| name("ZipkinTracer"). |
| tracerPool(pool). |
| conf(HTraceConfiguration.fromKeyValuePairs( |
| "sampler.classes", AlwaysSampler.class.getName() |
| )). |
| build(); |
| } |
| |
| @Test |
| public void testSimpleTraces() throws IOException, InterruptedException { |
| FakeZipkinScribe scribe = new FakeZipkinScribe(); |
| Tracer tracer = newTracer(scribe); |
| Span rootSpan = new MilliSpan.Builder(). |
| description("root"). |
| spanId(new SpanId(100, 100)). |
| tracerId("test"). |
| begin(System.currentTimeMillis()). |
| build(); |
| TraceScope rootScope = tracer.newScope("root"); |
| TraceScope innerOne = tracer.newScope("innerOne"); |
| TraceScope innerTwo = tracer.newScope("innerTwo"); |
| innerTwo.close(); |
| Assert.assertTrue(scribe.nextMessageAsSpan().getName().contains("innerTwo")); |
| innerOne.close(); |
| Assert.assertTrue(scribe.nextMessageAsSpan().getName().contains("innerOne")); |
| rootSpan.addKVAnnotation("foo", "bar"); |
| rootSpan.addTimelineAnnotation("timeline"); |
| rootScope.close(); |
| Assert.assertTrue(scribe.nextMessageAsSpan().getName().contains("root")); |
| tracer.close(); |
| } |
| |
| @Test |
| public void testConcurrency() throws IOException { |
| Scribe.Iface alwaysOk = new Scribe.Iface() { |
| @Override |
| public ResultCode Log(List<LogEntry> messages) throws TException { |
| return ResultCode.OK; |
| } |
| }; |
| Tracer tracer = newTracer(alwaysOk); |
| TraceCreator traceCreator = new TraceCreator(tracer); |
| traceCreator.createThreadedTrace(); |
| } |
| |
| @Test |
| public void testResilience() throws IOException { |
| Scribe.Iface alwaysTryLater = new Scribe.Iface() { |
| @Override |
| public ResultCode Log(List<LogEntry> messages) throws TException { |
| return ResultCode.TRY_LATER; |
| } |
| }; |
| Tracer tracer = newTracer(alwaysTryLater); |
| TraceCreator traceCreator = new TraceCreator(tracer); |
| traceCreator.createThreadedTrace(); |
| } |
| |
| private static class FakeZipkinScribe implements Scribe.Iface { |
| |
| private final BlockingQueue<com.twitter.zipkin.gen.Span> receivedSpans = |
| new ArrayBlockingQueue<com.twitter.zipkin.gen.Span>(1); |
| |
| com.twitter.zipkin.gen.Span nextMessageAsSpan() throws InterruptedException { |
| return receivedSpans.take(); |
| } |
| |
| @Override |
| public ResultCode Log(List<LogEntry> messages) throws TException { |
| for (LogEntry message : messages) { |
| Assert.assertEquals("zipkin", message.category); |
| byte[] bytes = Base64.decodeBase64(message.message); |
| |
| TMemoryBuffer transport = new TMemoryBuffer(bytes.length); |
| transport.write(bytes); |
| com.twitter.zipkin.gen.Span zSpan = new com.twitter.zipkin.gen.Span(); |
| zSpan.read(new TBinaryProtocol(transport)); |
| receivedSpans.add(zSpan); |
| } |
| return ResultCode.OK; |
| } |
| } |
| } |