Examples with SimpleTestServerConnection com.linkedin.databus2.test.container.SimpleTestServerConnection used on opensource projects

Example 1 with SimpleTestServerConnection

use of com.linkedin.databus2.test.container.SimpleTestServerConnection in project databus by linkedin.

the class SimpleClientPipelineFactory method testServerSimpleResponseTimeout.

@Test
public /**
 * Simulates the follow communication with no request timeout
 *
 * <table>
 * <th><td>client</td><td>server</td></th>
 * <tr><td>send "hello"</td><td></td></tr>
 * <tr><td></td><td>start read timeout</td></tr>
 * <tr><td>generate read timeout</td><td></td></tr>
 * <tr><td></td><td>induce timeout</td></tr>
 * <tr><td>disconnect from server</td><td></td></tr>
 * <tr><td></td><td>send "hi there"</td></tr>
 * <tr><td></td><td>detect it has been disconnected</td></tr>
 * </table>
 */
void testServerSimpleResponseTimeout() {
    SimpleTestServerConnection srvConn = new SimpleTestServerConnection(_eventFactory.getByteOrder());
    srvConn.setPipelineFactory(new SimpleServerPipelineFactory());
    boolean serverStarted = srvConn.startSynchronously(4, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(serverStarted, "server started");
    SimpleTestClientConnection clientConn = new SimpleTestClientConnection(_eventFactory.getByteOrder());
    clientConn.setPipelineFactory(new SimpleClientPipelineFactory());
    boolean clientConnected = clientConn.startSynchronously(4, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(clientConnected, "client connected");
    // hook in to key places in the server pipeline
    ChannelPipeline lastSrvConnPipeline = srvConn.getLastConnChannel().getPipeline();
    ExtendedReadTimeoutHandler srvTimeoutHandler = (ExtendedReadTimeoutHandler) lastSrvConnPipeline.get(ExtendedReadTimeoutHandler.class.getSimpleName());
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader) lastSrvConnPipeline.get(SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener = (ExceptionListenerTestHandler) lastSrvConnPipeline.get(ExceptionListenerTestHandler.class.getSimpleName());
    // hook in to key places in the client pipeline
    ChannelPipeline clientPipeline = clientConn.getChannel().getPipeline();
    ExtendedReadTimeoutHandler clientTimeoutHandler = (ExtendedReadTimeoutHandler) clientPipeline.get(ExtendedReadTimeoutHandler.class.getSimpleName());
    ExceptionListenerTestHandler clientExceptionListener = (ExceptionListenerTestHandler) clientPipeline.get(ExceptionListenerTestHandler.class.getSimpleName());
    // send a request
    ChannelBuffer msg = ChannelBuffers.wrappedBuffer("hello".getBytes(Charset.defaultCharset()));
    clientConn.getChannel().write(msg);
    // wait for the request to propagate
    try {
        Thread.sleep(10);
    } catch (InterruptedException ie) {
    }
    ;
    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(srvMsgReader.getMsg(), "hello", "message read");
    // start server read timeout
    srvTimeoutHandler.start(lastSrvConnPipeline.getContext(srvTimeoutHandler));
    ChannelBuffer msg2 = ChannelBuffers.wrappedBuffer("eom".getBytes(Charset.defaultCharset()));
    clientConn.getChannel().write(msg2);
    // start the client timeout handler
    clientTimeoutHandler.start(clientPipeline.getContext(clientTimeoutHandler));
    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(srvMsgReader.getMsg(), "eom", "message read");
    // stop server read timeout
    srvTimeoutHandler.stop();
    ChannelBuffer resp = ChannelBuffers.wrappedBuffer("hi there".getBytes(Charset.defaultCharset()));
    // Induce timeout
    try {
        Thread.sleep(500);
    } catch (InterruptedException ie) {
    }
    ;
    lastSrvConnPipeline.getChannel().write(resp);
    // wait for the response to propagate
    try {
        Thread.sleep(10);
    } catch (InterruptedException ie) {
    }
    ;
    Assert.assertTrue(srvExceptionListener.getLastException() instanceof ClosedChannelException, "no server read timeout but client has disconnected");
    Assert.assertTrue(clientExceptionListener.getLastException() instanceof ReadTimeoutException, "client read timeout");
    Assert.assertTrue(!lastSrvConnPipeline.getChannel().isConnected(), "client has disconnected");
    Assert.assertTrue(!clientPipeline.getChannel().isConnected(), "closed connection to server");
    // stop client read timeout
    clientTimeoutHandler.stop();
    clientConn.stop();
    srvConn.stop();
}

Example 2 with SimpleTestServerConnection

use of com.linkedin.databus2.test.container.SimpleTestServerConnection in project databus by linkedin.

the class SimpleClientPipelineFactory method testServerSimpleRequestTimeout.

@Test
public /**
 * Simulates the follow communication with no request timeout
 *
 * <table>
 * <th><td>client</td><td>server</td></th>
 * <tr><td>send "hello"</td><td></td></tr>
 * <tr><td></td><td>start read timeout</td></tr>
 * <tr><td>induce timeout</td><td></td></tr>
 * <tr><td>generate read timeout</td><td></td></tr>
 * <tr><td></td><td>disconnect client</td></tr>
 * <tr><td>send "eom"</td><td></td></tr>
 * <tr><td>detect it has been disconnected</td><td></td></tr>
 * </table>
 */
void testServerSimpleRequestTimeout() {
    SimpleTestServerConnection srvConn = new SimpleTestServerConnection(_eventFactory.getByteOrder());
    srvConn.setPipelineFactory(new SimpleServerPipelineFactory());
    boolean serverStarted = srvConn.startSynchronously(3, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(serverStarted, "server started");
    SimpleTestClientConnection clientConn = new SimpleTestClientConnection(_eventFactory.getByteOrder());
    clientConn.setPipelineFactory(new SimpleClientPipelineFactory());
    boolean clientConnected = clientConn.startSynchronously(3, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(clientConnected, "client connected");
    // hook in to key places in the server pipeline
    ChannelPipeline lastSrvConnPipeline = srvConn.getLastConnChannel().getPipeline();
    ExtendedReadTimeoutHandler srvTimeoutHandler = (ExtendedReadTimeoutHandler) lastSrvConnPipeline.get(ExtendedReadTimeoutHandler.class.getSimpleName());
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader) lastSrvConnPipeline.get(SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener = (ExceptionListenerTestHandler) lastSrvConnPipeline.get(ExceptionListenerTestHandler.class.getSimpleName());
    // hook in to key places in the client pipeline
    ChannelPipeline clientPipeline = clientConn.getChannel().getPipeline();
    ExtendedReadTimeoutHandler clientTimeoutHandler = (ExtendedReadTimeoutHandler) clientPipeline.get(ExtendedReadTimeoutHandler.class.getSimpleName());
    ExceptionListenerTestHandler clientExceptionListener = (ExceptionListenerTestHandler) clientPipeline.get(ExceptionListenerTestHandler.class.getSimpleName());
    // send a request
    ChannelBuffer msg = ChannelBuffers.wrappedBuffer("hello".getBytes(Charset.defaultCharset()));
    ChannelFuture writeFuture = clientConn.getChannel().write(msg);
    // wait for the request to propagate
    try {
        writeFuture.await(10);
    } catch (InterruptedException ie) {
    }
    ;
    Assert.assertTrue(writeFuture.isDone(), "write completed");
    Assert.assertTrue(writeFuture.isSuccess(), "write successful");
    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(srvMsgReader.getMsg(), "hello", "message read");
    // start server read timeout
    srvTimeoutHandler.start(lastSrvConnPipeline.getContext(srvTimeoutHandler));
    // Timeout
    try {
        Thread.sleep(300);
    } catch (InterruptedException ie) {
    }
    ;
    ChannelBuffer msg2 = ChannelBuffers.wrappedBuffer("eom".getBytes(Charset.defaultCharset()));
    writeFuture = clientConn.getChannel().write(msg2);
    // wait for the respomse to propagate
    try {
        writeFuture.await(10);
    } catch (InterruptedException ie) {
    }
    ;
    // start the client timeout handler
    clientTimeoutHandler.start(clientPipeline.getContext(clientTimeoutHandler));
    Assert.assertTrue(srvExceptionListener.getLastException() instanceof ReadTimeoutException, "server read timeout");
    Assert.assertTrue(clientExceptionListener.getLastException() instanceof ClosedChannelException, "failed write");
    Assert.assertTrue(!lastSrvConnPipeline.getChannel().isConnected(), "client has been disconnected");
    Assert.assertTrue(!clientPipeline.getChannel().isConnected(), "disconnected from server");
    // stop server read timeout
    srvTimeoutHandler.stop();
    // stop client read timeout
    clientTimeoutHandler.stop();
    clientConn.stop();
    srvConn.stop();
}

Example 3 with SimpleTestServerConnection

use of com.linkedin.databus2.test.container.SimpleTestServerConnection in project databus by linkedin.

the class SimpleClientPipelineFactoryWithSleep method testClientSimpleRequestResponse.

@Test
public void testClientSimpleRequestResponse() {
    DbusEventFactory eventFactory = new DbusEventV1Factory();
    SimpleTestServerConnection srvConn = new SimpleTestServerConnection(eventFactory.getByteOrder());
    srvConn.setPipelineFactory(new SimpleServerPipelineFactory());
    boolean serverStarted = srvConn.startSynchronously(101, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(serverStarted, "server started");
    final SimpleTestClientConnection clientConn = new SimpleTestClientConnection(eventFactory.getByteOrder());
    clientConn.setPipelineFactory(new SimpleClientPipelineFactoryWithSleep(200));
    boolean clientConnected = clientConn.startSynchronously(101, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(clientConnected, "client connected");
    // hook in to key places in the server pipeline
    ChannelPipeline lastSrvConnPipeline = srvConn.getLastConnChannel().getPipeline();
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader) lastSrvConnPipeline.get(SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener = (ExceptionListenerTestHandler) lastSrvConnPipeline.get(ExceptionListenerTestHandler.class.getSimpleName());
    // hook in to key places in the client pipeline
    ChannelPipeline clientPipeline = clientConn.getChannel().getPipeline();
    final ExceptionListenerTestHandler clientExceptionListener = (ExceptionListenerTestHandler) clientPipeline.get(ExceptionListenerTestHandler.class.getSimpleName());
    // System.err.println("Current thread: " + Thread.currentThread());
    // send a request in a separate thread because the client will intentionally block to simulate
    // a timeout
    final ChannelBuffer msg = ChannelBuffers.wrappedBuffer("hello".getBytes(Charset.defaultCharset()));
    Thread sendThread1 = new Thread(new Runnable() {

        @Override
        public void run() {
            // System.err.println(Thread.currentThread().toString() + ": sending message");
            clientConn.getChannel().write(msg);
        }
    }, "send msg thread");
    sendThread1.start();
    // System.err.println(Thread.currentThread().toString() + ": waiting for 10");
    try {
        Thread.sleep(50);
    } catch (InterruptedException ie) {
    }
    ;
    // System.err.println(Thread.currentThread().toString() + ": done Waiting for 10");
    // make sure the server has not received the message
    Assert.assertNull(srvExceptionListener.getLastException(), "no server errors");
    Assert.assertNull(clientExceptionListener.getLastException(), "no errors yet");
    Assert.assertTrue(!"hello".equals(srvMsgReader.getMsg()), "message not read yet");
    // wait for the write timeout
    try {
        Thread.sleep(300);
    } catch (InterruptedException ie) {
    }
    ;
    // System.err.println("Done Waiting for 300");
    // the client should have timed out and closed the connection
    TestUtil.assertWithBackoff(new ConditionCheck() {

        @Override
        public boolean check() {
            return null != clientExceptionListener.getLastException();
        }
    }, "client error", 1000, null);
    Assert.assertTrue(null != clientExceptionListener.getLastException(), "client error");
    Assert.assertTrue(clientExceptionListener.getLastException() instanceof ClosedChannelException || clientExceptionListener.getLastException() instanceof WriteTimeoutException, "client error test");
    Assert.assertTrue(!lastSrvConnPipeline.getChannel().isConnected(), "client has disconnected");
    Assert.assertTrue(!clientPipeline.getChannel().isConnected(), "closed connection to server");
}

Example 4 with SimpleTestServerConnection

use of com.linkedin.databus2.test.container.SimpleTestServerConnection in project databus by linkedin.

the class TestDatabusV2ClusterRegistrationImpl method setUpClass.

@BeforeClass
public void setUpClass() throws InvalidConfigException {
    // setup logging
    TestUtil.setupLogging(true, null, Level.INFO);
    InternalLoggerFactory.setDefaultFactory(new Log4JLoggerFactory());
    // initialize relays
    for (int relayN = 0; relayN < RELAY_PORT.length; ++relayN) {
        _dummyServer[relayN] = new SimpleTestServerConnection(new DbusEventV2Factory().getByteOrder(), SimpleTestServerConnection.ServerType.NIO);
        _dummyServer[relayN].setPipelineFactory(new ChannelPipelineFactory() {

            @Override
            public ChannelPipeline getPipeline() throws Exception {
                return Channels.pipeline(new LoggingHandler(InternalLogLevel.DEBUG), new HttpServerCodec(), new LoggingHandler(InternalLogLevel.DEBUG), new SimpleObjectCaptureHandler());
            }
        });
        _dummyServer[relayN].start(RELAY_PORT[relayN]);
    }
    // create standard client config
    DatabusHttpClientImpl.Config clientCfgBuilder = new DatabusHttpClientImpl.Config();
    clientCfgBuilder.getContainer().setHttpPort(CLIENT_PORT);
    clientCfgBuilder.getContainer().getJmx().setRmiEnabled(false);
    clientCfgBuilder.getContainer().setReadTimeoutMs(10000000);
    clientCfgBuilder.getConnectionDefaults().getPullerRetries().setInitSleep(10);
    clientCfgBuilder.getRuntime().getBootstrap().setEnabled(false);
    clientCfgBuilder.getCheckpointPersistence().setClearBeforeUse(true);
    for (int i = 0; i < RELAY_PORT.length; ++i) {
        clientCfgBuilder.getRuntime().getRelay(Integer.toString(i)).setHost("localhost");
        clientCfgBuilder.getRuntime().getRelay(Integer.toString(i)).setPort(RELAY_PORT[i]);
        clientCfgBuilder.getRuntime().getRelay(Integer.toString(i)).setSources(SOURCE1_NAME);
    }
    _stdClientCfgBuilder = clientCfgBuilder;
    _stdClientCfg = clientCfgBuilder.build();
    // create standard relay buffer config
    DbusEventBuffer.Config bufCfgBuilder = new DbusEventBuffer.Config();
    bufCfgBuilder.setAllocationPolicy(AllocationPolicy.HEAP_MEMORY.toString());
    bufCfgBuilder.setMaxSize(100000);
    bufCfgBuilder.setScnIndexSize(128);
    bufCfgBuilder.setAverageEventSize(1);
    _bufCfg = bufCfgBuilder.build();
}

Example 5 with SimpleTestServerConnection

use of com.linkedin.databus2.test.container.SimpleTestServerConnection in project databus by linkedin.

the class TestNettyHttpDatabusBootstrapConnection method setUpClass.

@BeforeClass
public void setUpClass() throws InvalidConfigException {
    TestUtil.setupLoggingWithTimestampedFile(true, "/tmp/TestNettyHttpDatabusBootstrapConnection_", ".log", Level.INFO);
    InternalLoggerFactory.setDefaultFactory(new Log4JLoggerFactory());
    _dummyServer = new SimpleTestServerConnection(new DbusEventV2Factory().getByteOrder(), SimpleTestServerConnection.ServerType.NIO);
    _dummyServer.setPipelineFactory(new ChannelPipelineFactory() {

        @Override
        public ChannelPipeline getPipeline() throws Exception {
            return Channels.pipeline(new LoggingHandler(InternalLogLevel.DEBUG), new HttpServerCodec(), new LoggingHandler(InternalLogLevel.DEBUG), new SimpleObjectCaptureHandler());
        }
    });
    _dummyServer.start(SERVER_ADDRESS_ID);
    DatabusHttpClientImpl.Config clientCfgBuilder = new DatabusHttpClientImpl.Config();
    clientCfgBuilder.getContainer().setReadTimeoutMs(DEFAULT_READ_TIMEOUT_MS);
    clientCfgBuilder.getContainer().setWriteTimeoutMs(DEFAULT_WRITE_TIMEOUT_MS);
    CONN_FACTORY = new NettyHttpConnectionFactory(BOSS_POOL, IO_POOL, null, NETWORK_TIMER, clientCfgBuilder.getContainer().getWriteTimeoutMs(), clientCfgBuilder.getContainer().getReadTimeoutMs(), clientCfgBuilder.getContainer().getBstReadTimeoutMs(), // protocolVersion
    4, MAX_EVENT_VERSION, TEST_CHANNELS_GROUP);
}