| /* |
| * 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 org.apache.htrace.Transport; |
| 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; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.concurrent.ArrayBlockingQueue; |
| import java.util.concurrent.BlockingQueue; |
| |
| public class TestZipkinSpanReceiver { |
| |
| private Tracer newTracer(final Transport transport) { |
| TracerPool pool = new TracerPool("newTracer"); |
| pool.addReceiver(new ZipkinSpanReceiver(HTraceConfiguration.EMPTY) { |
| @Override |
| protected Transport createTransport(HTraceConfiguration conf) { |
| return transport; |
| } |
| }); |
| return new Tracer.Builder("ZipkinTracer"). |
| tracerPool(pool). |
| conf(HTraceConfiguration.fromKeyValuePairs( |
| "sampler.classes", AlwaysSampler.class.getName() |
| )). |
| build(); |
| } |
| |
| @Test |
| public void testSimpleTraces() throws IOException, InterruptedException { |
| FakeZipkinTransport transport = new FakeZipkinTransport(); |
| Tracer tracer = newTracer(transport); |
| 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(transport.nextMessageAsSpan().getName().contains("innerTwo")); |
| innerOne.close(); |
| Assert.assertTrue(transport.nextMessageAsSpan().getName().contains("innerOne")); |
| rootSpan.addKVAnnotation("foo", "bar"); |
| rootSpan.addTimelineAnnotation("timeline"); |
| rootScope.close(); |
| Assert.assertTrue(transport.nextMessageAsSpan().getName().contains("root")); |
| tracer.close(); |
| } |
| |
| @Test |
| public void testConcurrency() throws IOException { |
| Tracer tracer = newTracer(new FakeZipkinTransport(){ |
| @Override public void send(List<byte[]> spans) throws IOException { /*do nothing*/ } |
| }); |
| TraceCreator traceCreator = new TraceCreator(tracer); |
| traceCreator.createThreadedTrace(); |
| } |
| |
| private static class FakeZipkinTransport implements Transport { |
| |
| 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 void open(HTraceConfiguration conf) throws IOException { |
| |
| } |
| |
| @Override |
| public boolean isOpen() { |
| return false; |
| } |
| |
| @Override |
| public void send(List<byte[]> spans) throws IOException { |
| for (byte[] message : spans) { |
| TMemoryBuffer transport = new TMemoryBuffer(message.length); |
| try { |
| transport.write(message); |
| com.twitter.zipkin.gen.Span zSpan = new com.twitter.zipkin.gen.Span(); |
| zSpan.read(new TBinaryProtocol(transport)); |
| receivedSpans.add(zSpan); |
| } catch (TException e) { |
| throw new IOException(e); |
| } |
| } |
| } |
| |
| @Override |
| public void close() throws IOException { |
| |
| } |
| } |
| } |