| /* |
| * 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.hadoop.chukwa.datacollection.adaptor; |
| |
| import static org.apache.hadoop.chukwa.util.TempFileUtil.makeTestFile; |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.DatagramPacket; |
| import java.net.DatagramSocket; |
| import java.net.InetSocketAddress; |
| import junit.framework.TestCase; |
| import org.apache.hadoop.chukwa.Chunk; |
| import org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent; |
| import org.apache.hadoop.chukwa.datacollection.connector.ChunkCatcherConnector; |
| import org.apache.hadoop.conf.Configuration; |
| |
| public class TestBufferingWrappers extends TestCase { |
| |
| Configuration conf = new Configuration(); |
| static File baseDir; |
| ChunkCatcherConnector chunks; |
| |
| public TestBufferingWrappers() throws IOException { |
| baseDir = new File(System.getProperty("test.build.data", "/tmp")); |
| conf.setInt("chukwaAgent.control.port", 0); |
| conf.set("chukwaAgent.checkpoint.dir", baseDir.getCanonicalPath()); |
| conf.setBoolean("chukwaAgent.checkpoint.enabled", false); |
| conf.setInt("chukwaAgent.adaptor.fileadaptor.timeoutperiod", 100); |
| conf.setInt("chukwaAgent.adaptor.context.switch.time", 100); |
| |
| chunks = new ChunkCatcherConnector(); |
| chunks.start(); |
| } |
| |
| public void testMBResendAfterStop() throws Exception{ |
| resendAfterStop("MemBuffered"); |
| } |
| |
| public void testWriteaheadResendAfterStop() throws Exception{ |
| resendAfterStop("WriteaheadBuffered"); |
| } |
| |
| |
| //start a wrapped FileAdaptor. Pushes a chunk. Stop it and restart. |
| //chunk hasn't been acked, so should get pushed again. |
| //we delete the file and also change the data type each time through the loop |
| //to make sure we get the cached chunk. |
| public void resendAfterStop(String adaptor) throws IOException, |
| ChukwaAgent.AlreadyRunningException, InterruptedException { |
| |
| ChukwaAgent agent = ChukwaAgent.getAgent(conf); |
| agent.start(); |
| String ADAPTORID = "adaptor_test" + System.currentTimeMillis(); |
| String STR = "test data"; |
| int PORTNO = 9878; |
| DatagramSocket send = new DatagramSocket(); |
| byte[] buf = STR.getBytes(); |
| DatagramPacket p = new DatagramPacket(buf, buf.length); |
| p.setSocketAddress(new InetSocketAddress("127.0.0.1",PORTNO)); |
| |
| assertEquals(0, agent.adaptorCount()); |
| String name =agent.processAddCommand("add "+ ADAPTORID + " = "+adaptor+" UDPAdaptor raw "+PORTNO+ " 0"); |
| assertEquals(name, ADAPTORID); |
| Thread.sleep(500); |
| send.send(p); |
| |
| for(int i=0; i< 5; ++i) { |
| Chunk c = chunks.waitForAChunk(5000); |
| System.out.println("received " + i); |
| assertNotNull(c); |
| String dat = new String(c.getData()); |
| assertTrue(dat.equals(STR)); |
| assertTrue(c.getDataType().equals("raw")); |
| assertEquals(c.getSeqID(), STR.length()); |
| |
| agent.stopAdaptor(name, AdaptorShutdownPolicy.RESTARTING); |
| Thread.sleep(500); //for socket to deregister |
| name =agent.processAddCommand("add "+ADAPTORID + " = "+adaptor+" UDPAdaptor raw "+PORTNO + " 0"); |
| assertEquals(name, ADAPTORID); |
| } |
| Chunk c = chunks.waitForAChunk(5000); |
| |
| Thread.sleep(500); |
| |
| buf = "different data".getBytes(); |
| p = new DatagramPacket(buf, buf.length); |
| p.setSocketAddress(new InetSocketAddress("127.0.0.1",PORTNO)); |
| send.send(p); |
| c = chunks.waitForAChunk(5000); |
| assertNotNull(c); |
| assertEquals(buf.length + STR.length(), c.getSeqID()); |
| |
| agent.stopAdaptor(name, true); |
| assertEquals(0, agent.adaptorCount()); |
| Thread.sleep(500);//before re-binding |
| agent.shutdown(); |
| } |
| } |