| /** |
| * 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.apex.malhar.flume.sink; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.apex.malhar.flume.discovery.Discovery; |
| |
| import org.apache.flume.channel.MemoryChannel; |
| |
| import com.datatorrent.netlet.AbstractLengthPrependerClient; |
| import com.datatorrent.netlet.DefaultEventLoop; |
| import com.datatorrent.netlet.util.Slice; |
| |
| /** |
| * |
| */ |
| public class FlumeSinkTest |
| { |
| static final String hostname = "localhost"; |
| int port = 0; |
| |
| @Test |
| @SuppressWarnings("SleepWhileInLoop") |
| public void testServer() throws InterruptedException, IOException |
| { |
| final CountDownLatch countdown = new CountDownLatch(1); |
| Discovery<byte[]> discovery = new Discovery<byte[]>() |
| { |
| @Override |
| public void unadvertise(Service<byte[]> service) |
| { |
| logger.info("Unadvertise invoked"); |
| countdown.countDown(); |
| } |
| |
| @Override |
| public void advertise(Service<byte[]> service) |
| { |
| logger.info("Advertise invoked"); |
| port = service.getPort(); |
| logger.debug("listening at {}", service); |
| countdown.countDown(); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public synchronized Collection<Service<byte[]>> discover() |
| { |
| logger.info("Discover invoked"); |
| try { |
| countdown.await(30, TimeUnit.SECONDS); |
| logger.info("Discover wait completed"); |
| } catch (InterruptedException ie) { |
| throw new RuntimeException(ie); |
| } |
| return Collections.EMPTY_LIST; |
| } |
| |
| }; |
| DefaultEventLoop eventloop = new DefaultEventLoop("Eventloop-TestClient"); |
| eventloop.start(); |
| FlumeSink sink = new FlumeSink(); |
| sink.setName("TeskSink"); |
| sink.setHostname(hostname); |
| sink.setPort(0); |
| sink.setAcceptedTolerance(2000); |
| sink.setChannel(new MemoryChannel()); |
| sink.setDiscovery(discovery); |
| sink.start(); |
| logger.info("Sink started"); |
| AbstractLengthPrependerClient client = new AbstractLengthPrependerClient() |
| { |
| private byte[] array; |
| private int offset = 2; |
| |
| @Override |
| public void onMessage(byte[] buffer, int offset, int size) |
| { |
| Slice received = new Slice(buffer, offset, size); |
| logger.debug("Client Received = {}", received); |
| Assert.assertEquals(received, |
| new Slice(Arrays.copyOfRange(array, this.offset, array.length), 0, Server.Request.FIXED_SIZE)); |
| synchronized (FlumeSinkTest.this) { |
| FlumeSinkTest.this.notify(); |
| } |
| } |
| |
| @Override |
| public void connected() |
| { |
| super.connected(); |
| array = new byte[Server.Request.FIXED_SIZE + offset]; |
| array[offset] = Server.Command.ECHO.getOrdinal(); |
| array[offset + 1] = 1; |
| array[offset + 2] = 2; |
| array[offset + 3] = 3; |
| array[offset + 4] = 4; |
| array[offset + 5] = 5; |
| array[offset + 6] = 6; |
| array[offset + 7] = 7; |
| array[offset + 8] = 8; |
| Server.writeLong(array, offset + Server.Request.TIME_OFFSET, System.currentTimeMillis()); |
| write(array, offset, Server.Request.FIXED_SIZE); |
| logger.info("Connect complete"); |
| } |
| |
| }; |
| discovery.discover(); |
| try { |
| eventloop.connect(new InetSocketAddress(hostname, port), client); |
| try { |
| synchronized (this) { |
| this.wait(); |
| } |
| } finally { |
| eventloop.disconnect(client); |
| } |
| } finally { |
| eventloop.stop(); |
| } |
| sink.stop(); |
| } |
| |
| private static final Logger logger = LoggerFactory.getLogger(FlumeSinkTest.class); |
| } |