/*
* 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.nifi.cluster.protocol.impl;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketTimeoutException;
import org.apache.nifi.cluster.protocol.ProtocolContext;
import org.apache.nifi.cluster.protocol.ProtocolMessageMarshaller;
import org.apache.nifi.cluster.protocol.ProtocolMessageUnmarshaller;
import org.apache.nifi.cluster.protocol.jaxb.JaxbProtocolContext;
import org.apache.nifi.cluster.protocol.jaxb.message.JaxbProtocolUtils;
import org.apache.nifi.cluster.protocol.message.PingMessage;
import org.apache.nifi.cluster.protocol.message.ProtocolMessage;
import org.apache.nifi.cluster.protocol.impl.testutils.DelayedProtocolHandler;
import org.apache.nifi.cluster.protocol.impl.testutils.ReflexiveProtocolHandler;
import org.apache.nifi.io.socket.ServerSocketConfiguration;
import org.apache.nifi.io.socket.SocketConfiguration;
import org.apache.nifi.io.socket.SocketUtils;
import org.junit.After;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import org.junit.Before;
import org.junit.Test;
/**
*/
public class SocketProtocolListenerTest {
private SocketProtocolListener listener;
private Socket socket;
private ProtocolMessageMarshaller<ProtocolMessage> marshaller;
private ProtocolMessageUnmarshaller<ProtocolMessage> unmarshaller;
@Before
public void setup() throws Exception {
final ProtocolContext protocolContext = new JaxbProtocolContext(JaxbProtocolUtils.JAXB_CONTEXT);
marshaller = protocolContext.createMarshaller();
unmarshaller = protocolContext.createUnmarshaller();
ServerSocketConfiguration configuration = new ServerSocketConfiguration();
configuration.setSocketTimeout(1000);
listener = new SocketProtocolListener(5, 0, configuration, protocolContext);
listener.start();
int port = listener.getPort();
SocketConfiguration config = new SocketConfiguration();
config.setReuseAddress(true);
config.setSocketTimeout(1000);
socket = SocketUtils.createSocket(new InetSocketAddress("localhost", port), config);
}
@After
public void teardown() throws IOException {
try {
if (listener.isRunning()) {
listener.stop();
}
} finally {
SocketUtils.closeQuietly(socket);
}
}
@Test
public void testBadRequest() throws Exception {
DelayedProtocolHandler handler = new DelayedProtocolHandler(0);
listener.addHandler(handler);
socket.getOutputStream().write(5);
Thread.sleep(250);
assertEquals(0, handler.getMessages().size());
}
@Test
public void testRequest() throws Exception {
ProtocolMessage msg = new PingMessage();
ReflexiveProtocolHandler handler = new ReflexiveProtocolHandler();
listener.addHandler(handler);
// marshal message to output stream
marshaller.marshal(msg, socket.getOutputStream());
// unmarshall response and return
ProtocolMessage response = unmarshaller.unmarshal(socket.getInputStream());
assertEquals(msg.getType(), response.getType());
assertEquals(1, handler.getMessages().size());
assertEquals(msg.getType(), handler.getMessages().get(0).getType());
}
@Test
public void testDelayedRequest() throws Exception {
ProtocolMessage msg = new PingMessage();
DelayedProtocolHandler handler = new DelayedProtocolHandler(2000);
listener.addHandler(handler);
// marshal message to output stream
marshaller.marshal(msg, socket.getOutputStream());
try {
socket.getInputStream().read();
fail("Socket timeout not received.");
} catch (SocketTimeoutException ste) {
}
assertEquals(1, handler.getMessages().size());
assertEquals(msg.getType(), handler.getMessages().get(0).getType());
}
}