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

Example 21 with SimpleObjectCaptureHandler

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

the class DummyRemoteExceptionHandler method setUpClass.

@BeforeClass
public void setUpClass() throws InvalidConfigException {
    TestUtil.setupLoggingWithTimestampedFile(true, "/tmp/TestNettyHttpDatabusRelayConnection_", ".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);
    DbusEventBuffer.Config bufCfgBuilder = new DbusEventBuffer.Config();
    bufCfgBuilder.setAllocationPolicy(AllocationPolicy.HEAP_MEMORY.toString());
    bufCfgBuilder.setMaxSize(100000);
    bufCfgBuilder.setScnIndexSize(128);
    bufCfgBuilder.setAverageEventSize(1);
    _bufCfg = bufCfgBuilder.build();
    initSchemaObjectsLists();
    _fullV4ResponseMap = new HashMap<String, List<Object>>();
    _fullV4ResponseMap.put(RegisterResponseEntry.SOURCE_SCHEMAS_KEY, _sourceObjectsList);
    _fullV4ResponseMap.put(RegisterResponseEntry.KEY_SCHEMAS_KEY, _keyObjectsList);
    _fullV4ResponseMap.put(RegisterResponseMetadataEntry.METADATA_SCHEMAS_KEY, _metadataObjectsList);
}

Example 22 with SimpleObjectCaptureHandler

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

the class DummyRemoteExceptionHandler method runServerSourcesReadTimeoutIteration.

private void runServerSourcesReadTimeoutIteration(final Logger log, TestingConnectionCallback callback, DummyRemoteExceptionHandler remoteExceptionHandler, final NettyHttpDatabusRelayConnection conn) {
    //connect to server and send /sources
    TestResponseProcessors.TestConnectionStateMessage msg = new TestResponseProcessors.TestConnectionStateMessage();
    conn.requestSources(msg);
    waitForServerConnection(conn, log);
    //introspect connection to server
    Channel channel = conn._channel;
    SocketAddress clientAddr = channel.getLocalAddress();
    Channel serverChannel = _dummyServer.getChildChannel(clientAddr);
    ChannelPipeline serverPipeline = serverChannel.getPipeline();
    SimpleObjectCaptureHandler objCapture = (SimpleObjectCaptureHandler) serverPipeline.get("3");
    Assert.assertTrue(objCapture.waitForMessage(1000, 0));
    Object msgObj = objCapture.getMessages().get(0);
    Assert.assertTrue(msgObj instanceof HttpRequest);
    HttpRequest msgReq = (HttpRequest) msgObj;
    // now has "?protocolVersion=X" appended
    Assert.assertTrue(msgReq.getUri().startsWith("/sources"));
    //Trigger a read timeout
    TestUtil.sleep(DEFAULT_READ_TIMEOUT_MS + 100);
    waitForCallback(callback, TestResponseProcessors.TestConnectionStateMessage.State.SOURCES_RESPONSE_ERROR, log);
    Assert.assertNull(remoteExceptionHandler.getLastException());
    Assert.assertEquals(1, callback.getAllMsgs().size());
    callback.clearLastMsg();
    objCapture.clear();
}

Example 23 with SimpleObjectCaptureHandler

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

the class TestNettyHttpDatabusBootstrapConnection method sendStartScnHappyPath.

private void sendStartScnHappyPath(final NettyHttpDatabusBootstrapConnection conn, Checkpoint cp, DummyDatabusBootstrapConnectionStateMessage bstCallback, String sourceNames, long startScn, Logger log) throws IOException, JsonGenerationException, JsonMappingException {
    //send startSCN()
    conn.requestStartScn(cp, bstCallback, sourceNames);
    TestUtil.assertWithBackoff(new ConditionCheck() {

        @Override
        public boolean check() {
            return null != conn._channel && conn._channel.isConnected();
        }
    }, "wait for client to connect", 1000, log);
    //introspect connection to server
    Channel channel = conn._channel;
    SocketAddress clientAddr = channel.getLocalAddress();
    Channel serverChannel = _dummyServer.getChildChannel(clientAddr);
    ChannelPipeline serverPipeline = serverChannel.getPipeline();
    SimpleObjectCaptureHandler objCapture = (SimpleObjectCaptureHandler) serverPipeline.get("3");
    Assert.assertTrue(objCapture.waitForMessage(1000, 0));
    Object msgObj = objCapture.getMessages().get(0);
    Assert.assertTrue(msgObj instanceof HttpRequest);
    //verify we got a /startSCN call
    HttpRequest msgReq = (HttpRequest) msgObj;
    Assert.assertTrue(msgReq.getUri().startsWith("/startSCN"));
    //send back some response
    HttpResponse sourcesResp = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    sourcesResp.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    sourcesResp.setHeader(HttpHeaders.Names.TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
    ObjectMapper objMapper = new ObjectMapper();
    HttpChunk body = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer(objMapper.writeValueAsBytes(String.valueOf(startScn))));
    NettyTestUtils.sendServerResponses(_dummyServer, clientAddr, sourcesResp, body);
}

Example 24 with SimpleObjectCaptureHandler

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

the class DummySuccessfulErrorCountingConsumer method testRelayFailoverPartialWindow1.

/**
   * Client switches from R1 to R2 on server close and from R2 to R3 on timeout while in the middle of the windows.
   *
   * <pre>
   * R1 EVB Boundaries --------------------------------------------------------------------------------
   *                   ^      ^        ^         ^         ^       ^       ^      ^     ^        ^
   *                   0      10       20        30        40      50      60     70    80       90
   *
   * R2 EVB Boundaries --------------------------------------------------------------------------------
   *                   ^               ^                   ^               ^            ^
   *                   0               20                  40              60           80
   *
   * R3 EVB Boundaries --------------------------------------------------------------------------------
   *                   ^                        ^                          ^                    ^
   *                   0                        30                         60                   90
   * </pre>
   *
   * Switch from R1 to R2 happens when windowScn = 10 and windowOffset = 8th event.
   * Switch from R2 to R3 happens when windowScn = 40 and windowOffset = 3rd event.
   *
   * @throws Exception
   */
@Test
public void testRelayFailoverPartialWindow1() throws Exception {
    final boolean debugOn = false;
    final Logger log = Logger.getLogger("TestDatabusHttpClient.testRelayFailoverPartialWindow1");
    log.setLevel(Level.INFO);
    final int eventsNum = 200;
    DbusEventInfo[] eventInfos = createSampleSchema1Events(eventsNum);
    final long timeoutMult = debugOn ? 100000 : 1;
    log.info("simulate relay buffers");
    DbusEventBuffer[] relayBuffer = new DbusEventBuffer[RELAY_PORT.length];
    List<List<Integer>> eventOfs = new ArrayList<List<Integer>>(3);
    List<List<DbusEventKey>> eventKeys = new ArrayList<List<DbusEventKey>>(3);
    for (int i = 0; i < RELAY_PORT.length; ++i) {
        relayBuffer[i] = new DbusEventBuffer(_bufCfg);
        relayBuffer[i].start(0);
        WriteEventsResult wrRes = writeEventsToBuffer(relayBuffer[i], eventInfos, (i + 1) * 10);
        List<Integer> ofs = wrRes.getOffsets();
        eventOfs.add(ofs);
        eventKeys.add(wrRes.getKeys());
    }
    List<DbusEventKey> key = eventKeys.get(0);
    for (int i = 1; i < RELAY_PORT.length; ++i) {
        assertEquals(" For Size index : " + i, key.size(), eventKeys.get(i).size());
        assertEquals(" For index : " + i, key, eventKeys.get(i));
        key = eventKeys.get(i);
    }
    int resp1EnfOfs = eventOfs.get(0).get(8);
    log.info("figure out an event offset inside a window:" + resp1EnfOfs);
    log.info("create client");
    _stdClientCfgBuilder.getContainer().setReadTimeoutMs(DEFAULT_READ_TIMEOUT_MS);
    final DatabusHttpClientImpl client = new DatabusHttpClientImpl(_stdClientCfgBuilder.build());
    final TestConsumer consumer = new TestConsumer();
    client.registerDatabusStreamListener(consumer, null, SOURCE1_NAME);
    client.start();
    try {
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return client._relayConnections.size() == 1;
            }
        }, "sources connection present", 100, log);
        final DatabusSourcesConnection clientConn = client._relayConnections.get(0);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return null != clientConn.getRelayPullThread().getLastOpenConnection();
            }
        }, "relay connection present", 100, log);
        final NettyHttpDatabusRelayConnection relayConn = (NettyHttpDatabusRelayConnection) clientConn.getRelayPullThread().getLastOpenConnection();
        final NettyHttpDatabusRelayConnectionInspector relayConnInsp = new NettyHttpDatabusRelayConnectionInspector(relayConn);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return null != relayConnInsp.getChannel() && relayConnInsp.getChannel().isConnected();
            }
        }, "client connected", 200, log);
        log.info("figure out the connection to the relay");
        Channel clientChannel = relayConnInsp.getChannel();
        InetSocketAddress relayAddr = (InetSocketAddress) clientChannel.getRemoteAddress();
        SocketAddress clientAddr = clientChannel.getLocalAddress();
        int relayPort = relayAddr.getPort();
        log.info("relay selected: " + relayPort);
        SimpleTestServerConnection relay = null;
        for (int i = 0; i < RELAY_PORT.length; ++i) {
            if (relayPort == RELAY_PORT[i])
                relay = _dummyServer[i];
        }
        assertTrue(null != relay);
        final SocketAddress testClientAddr = clientAddr;
        final SimpleTestServerConnection testRelay = relay;
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return null != testRelay.getChildChannel(testClientAddr);
            }
        }, "relay detects new connection", 1000, log);
        Channel serverChannel = relay.getChildChannel(clientAddr);
        assertTrue(null != serverChannel);
        ChannelPipeline serverPipeline = serverChannel.getPipeline();
        SimpleObjectCaptureHandler objCapture = (SimpleObjectCaptureHandler) serverPipeline.get("3");
        log.info("process the /sources request");
        NettyTestUtils.waitForHttpRequest(objCapture, SOURCES_REQUEST_REGEX, 1000);
        objCapture.clear();
        log.info("send back the /sources response");
        HttpResponse sourcesResp = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
        sourcesResp.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
        sourcesResp.setHeader(HttpHeaders.Names.TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
        HttpChunk body = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer(("[{\"id\":1,\"name\":\"" + SOURCE1_NAME + "\"}]").getBytes(Charset.defaultCharset())));
        NettyTestUtils.sendServerResponses(relay, clientAddr, sourcesResp, body);
        log.info("make sure the client processes the response correctly");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                String idListString = clientConn.getRelayPullThread()._currentState.getSourcesIdListString();
                return "1".equals(idListString);
            }
        }, "client processes /sources response", 100, log);
        log.info("process the /register request");
        NettyTestUtils.waitForHttpRequest(objCapture, "/register.*", 1000);
        objCapture.clear();
        log.info("send back the /register response");
        RegisterResponseEntry entry = new RegisterResponseEntry(1L, (short) 1, SOURCE1_SCHEMA_STR);
        String responseStr = NettyTestUtils.generateRegisterResponse(entry);
        body = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer(responseStr.getBytes(Charset.defaultCharset())));
        NettyTestUtils.sendServerResponses(relay, clientAddr, sourcesResp, body);
        log.info("make sure the client processes the response correctly");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                DispatcherState dispState = clientConn.getRelayDispatcher().getDispatcherState();
                return null != dispState.getSchemaMap() && 1 == dispState.getSchemaMap().size();
            }
        }, "client processes /register response", 100, log);
        log.info("process /stream call and return a partial window");
        NettyTestUtils.waitForHttpRequest(objCapture, "/stream.*", 1000);
        objCapture.clear();
        log.info("send back the /stream response");
        final DbusEventsStatisticsCollector stats = new DbusEventsStatisticsCollector(1, "test1", true, false, null);
        Checkpoint cp = Checkpoint.createFlexibleCheckpoint();
        ChannelBuffer streamRes = NettyTestUtils.streamToChannelBuffer(relayBuffer[0], cp, resp1EnfOfs, stats);
        HttpResponse streamResp = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
        streamResp.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
        streamResp.setHeader(HttpHeaders.Names.TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
        NettyTestUtils.sendServerResponses(relay, clientAddr, streamResp, new DefaultHttpChunk(streamRes));
        log.info("make sure the client processes the /stream response correctly");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.debug("LastWritten SCN:" + clientConn.getDataEventsBuffer().lastWrittenScn());
                return clientConn.getDataEventsBuffer().lastWrittenScn() == 10;
            }
        }, "client receives /stream response", 1100, log);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.debug("events num=" + consumer.getEventNum());
                return stats.getTotalStats().getNumDataEvents() == consumer.getEventNum();
            }
        }, "client processes /stream response", 110000, log);
        assertEquals(-1, consumer.getRollbackScn());
        int rollbackNum = 0;
        assertEquals(stats.getTotalStats().getNumSysEvents() + 1 + rollbackNum, consumer.getWinNum());
        List<DbusEventKey> expKeys = eventKeys.get(0).subList(0, (int) stats.getTotalStats().getNumDataEvents());
        List<Long> expSeqs = new ArrayList<Long>();
        for (int i = 0; i < stats.getTotalStats().getNumDataEvents(); i++) expSeqs.add(10L);
        long numEvents = stats.getTotalStats().getNumDataEvents();
        assertEquals("Keys", expKeys, consumer.getKeys());
        assertEquals("Sequences", expSeqs, consumer.getSequences());
        log.info("now kill the relay and wait for a failover");
        serverChannel.close();
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return null != relayConnInsp.getChannel() && !relayConnInsp.getChannel().isConnected();
            }
        }, "client disconnected", 200, log);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return clientConn.getRelayPullThread().getLastOpenConnection() != relayConn;
            }
        }, "new netty connection", 200, log);
        log.info("/////////// FAKING CONNECTION TO NEW RELAY //////////////");
        final NettyHttpDatabusRelayConnection newRelayConn = (NettyHttpDatabusRelayConnection) clientConn.getRelayPullThread().getLastOpenConnection();
        final NettyHttpDatabusRelayConnectionInspector newRelayConnInsp = new NettyHttpDatabusRelayConnectionInspector(newRelayConn);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return null != newRelayConnInsp.getChannel() && newRelayConnInsp.getChannel().isConnected();
            }
        }, "client connected to new relay", 200, log);
        log.info("figure out the connection to the relay");
        clientChannel = newRelayConnInsp.getChannel();
        relayAddr = (InetSocketAddress) clientChannel.getRemoteAddress();
        clientAddr = clientChannel.getLocalAddress();
        relayPort = relayAddr.getPort();
        log.info("new relay selected: " + relayPort);
        relay = null;
        int relayIdx = 0;
        for (; relayIdx < RELAY_PORT.length; ++relayIdx) {
            if (relayPort == RELAY_PORT[relayIdx])
                relay = _dummyServer[relayIdx];
        }
        assertTrue(null != relay);
        serverChannel = relay.getChildChannel(clientAddr);
        assertTrue(null != serverChannel);
        serverPipeline = serverChannel.getPipeline();
        objCapture = (SimpleObjectCaptureHandler) serverPipeline.get("3");
        log.info("process the /sources request");
        NettyTestUtils.waitForHttpRequest(objCapture, SOURCES_REQUEST_REGEX, 1000);
        objCapture.clear();
        log.info("send back the /sources response");
        body = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer(("[{\"id\":1,\"name\":\"" + SOURCE1_NAME + "\"}]").getBytes(Charset.defaultCharset())));
        NettyTestUtils.sendServerResponses(relay, clientAddr, sourcesResp, body);
        log.info("make sure the client processes the response correctly");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                String idListString = clientConn.getRelayPullThread()._currentState.getSourcesIdListString();
                return "1".equals(idListString);
            }
        }, "client processes /sources response", 100, log);
        log.info("process the /register request");
        NettyTestUtils.waitForHttpRequest(objCapture, "/register.*", 1000);
        objCapture.clear();
        log.info("send back the /register response");
        body = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer(responseStr.getBytes(Charset.defaultCharset())));
        NettyTestUtils.sendServerResponses(relay, clientAddr, sourcesResp, body);
        log.info("make sure the client processes the /register response correctly");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                DispatcherState dispState = clientConn.getRelayDispatcher().getDispatcherState();
                return null != dispState.getSchemaMap() && 1 == dispState.getSchemaMap().size();
            }
        }, "client processes /register response", 100, log);
        log.info("process /stream call and return a partial window");
        Matcher streamMatcher = NettyTestUtils.waitForHttpRequest(objCapture, "/stream.*checkPoint=([^&]*)&.*", 1000);
        String cpString = streamMatcher.group(1);
        objCapture.clear();
        int respStartOfs = eventOfs.get(1).get(1);
        int respEndOfs = eventOfs.get(1).get(34);
        cp = new Checkpoint(cpString);
        //last window read was partial
        assertTrue(cp.getWindowOffset() > 0);
        streamRes = NettyTestUtils.streamToChannelBuffer(relayBuffer[1], cp, respEndOfs - respStartOfs, stats);
        NettyTestUtils.sendServerResponses(relay, clientAddr, streamResp, new DefaultHttpChunk(streamRes));
        log.info("make sure the client processes the response correctly");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.debug("lastWrittenScn=" + clientConn.getDataEventsBuffer().lastWrittenScn());
                return clientConn.getDataEventsBuffer().lastWrittenScn() == 40;
            }
        }, "client receives /stream response", 1100, log);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.debug("events num=" + consumer.getEventNum());
                return stats.getTotalStats().getNumDataEvents() == consumer.getEventNum();
            }
        }, "client processes /stream response", 11000, log);
        assertEquals(20, consumer.getRollbackScn());
        log.info("one more onStartDataEventSequence because of the rolback");
        ++rollbackNum;
        assertEquals(stats.getTotalStats().getNumSysEvents() + 1 + rollbackNum, consumer.getWinNum());
        assertEquals(clientConn.getRelayPullThread().getConnectionState().getDataEventsBuffer().isSCNRegress(), false);
        expKeys.addAll(eventKeys.get(1).subList(0, (int) (stats.getTotalStats().getNumDataEvents() - numEvents)));
        for (int i = 0; i < stats.getTotalStats().getNumDataEvents() - numEvents; i++) expSeqs.add((i / 20) * 20 + 20L);
        assertEquals("Keys", expKeys, consumer.getKeys());
        assertEquals("Sequences", expSeqs, consumer.getSequences());
        numEvents = stats.getTotalStats().getNumDataEvents();
        ///////////////////////////////////
        //simulate a timeout on the server; the client would have sent a /stream call and there
        //will be no response from the server, so eventually it should time out and switch servers
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.debug("Channel :" + newRelayConnInsp.getChannel());
                return (null != newRelayConnInsp.getChannel()) && (!newRelayConnInsp.getChannel().isConnected());
            }
        }, "waiting for a reconnect", (long) (DEFAULT_READ_TIMEOUT_MS * 1.5), log);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return clientConn.getRelayPullThread().getLastOpenConnection() != relayConn;
            }
        }, "new netty connection", 200, log);
        final NettyHttpDatabusRelayConnection new2RelayConn = (NettyHttpDatabusRelayConnection) clientConn.getRelayPullThread().getLastOpenConnection();
        final NettyHttpDatabusRelayConnectionInspector new2RelayConnInsp = new NettyHttpDatabusRelayConnectionInspector(new2RelayConn);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return null != new2RelayConnInsp.getChannel() && new2RelayConnInsp.getChannel().isConnected();
            }
        }, "client connected to third relay", 200, log);
        log.info("figure out the connection to the relay");
        clientChannel = new2RelayConnInsp.getChannel();
        relayAddr = (InetSocketAddress) clientChannel.getRemoteAddress();
        clientAddr = clientChannel.getLocalAddress();
        relayPort = relayAddr.getPort();
        log.info("third relay selected: " + relayPort);
        relay = null;
        relayIdx = 0;
        for (; relayIdx < RELAY_PORT.length; ++relayIdx) {
            if (relayPort == RELAY_PORT[relayIdx])
                relay = _dummyServer[relayIdx];
        }
        assertTrue(null != relay);
        serverChannel = relay.getChildChannel(clientAddr);
        assertTrue(null != serverChannel);
        serverPipeline = serverChannel.getPipeline();
        objCapture = (SimpleObjectCaptureHandler) serverPipeline.get("3");
        log.info("process the /sources request");
        NettyTestUtils.waitForHttpRequest(objCapture, SOURCES_REQUEST_REGEX, 1000);
        objCapture.clear();
        log.info("send back the /sources response");
        body = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer(("[{\"id\":1,\"name\":\"" + SOURCE1_NAME + "\"}]").getBytes(Charset.defaultCharset())));
        NettyTestUtils.sendServerResponses(relay, clientAddr, sourcesResp, body);
        log.info("make sure the client processes the response correctly");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                String idListString = clientConn.getRelayPullThread()._currentState.getSourcesIdListString();
                return "1".equals(idListString);
            }
        }, "client processes /sources response", 100, log);
        log.info("process the /register request");
        NettyTestUtils.waitForHttpRequest(objCapture, "/register.*", 1000);
        objCapture.clear();
        log.info("SEND BACK THE /register RESPONSE");
        //clientConn.getRelayDispatcher().getLog().setLevel(Level.DEBUG);
        //RangeBasedReaderWriterLock.LOG.setLevel(Level.DEBUG);
        body = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer(responseStr.getBytes(Charset.defaultCharset())));
        NettyTestUtils.sendServerResponses(relay, clientAddr, sourcesResp, body);
        log.info("make sure the client processes the response correctly");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                DispatcherState dispState = clientConn.getRelayDispatcher().getDispatcherState();
                return null != dispState.getSchemaMap() && 1 == dispState.getSchemaMap().size();
            }
        }, "client processes /register response", timeoutMult * 100, log);
        log.info("PROCESS the /stream CALL AND RETURN A PARTIAL WINDOW");
        streamMatcher = NettyTestUtils.waitForHttpRequest(objCapture, "/stream.*checkPoint=([^&]*)&.*", 1000);
        cpString = streamMatcher.group(1);
        objCapture.clear();
        respStartOfs = eventOfs.get(2).get(1);
        respEndOfs = eventOfs.get(2).get(84);
        log.debug("Checkpoint String is :" + cpString);
        cp = new Checkpoint(cpString);
        log.info("last window read was partial. So the client would have reset the windowOffset");
        assertTrue("Is WindowOffset Cleared", cp.getWindowOffset() == -1);
        assertEquals("WindowSCN == PrevSCN. Ckpt :" + cp, cp.getWindowScn(), cp.getPrevScn());
        streamRes = NettyTestUtils.streamToChannelBuffer(relayBuffer[2], cp, respEndOfs - respStartOfs, stats);
        NettyTestUtils.sendServerResponses(relay, clientAddr, streamResp, new DefaultHttpChunk(streamRes));
        log.debug("NumEvents already seen :" + numEvents);
        log.info("make sure the client processes the response correctly");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.debug("lastWrittenScn=" + clientConn.getDataEventsBuffer().lastWrittenScn() + ", NumEvents :" + stats.getTotalStats().getNumDataEvents());
                return clientConn.getDataEventsBuffer().lastWrittenScn() == 90;
            }
        }, "client receives /stream response, Sequences :" + consumer.getSequences(), timeoutMult * 1100, log);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.debug("events num=" + consumer.getEventNum());
                return stats.getTotalStats().getNumDataEvents() == consumer.getEventNum();
            }
        }, "client processes /stream response", timeoutMult * 1100, log);
        log.info("one more onStartDataEventSequence because of the rollback");
        assertEquals(30, consumer.getRollbackScn());
        ++rollbackNum;
        assertEquals(stats.getTotalStats().getNumSysEvents() + 1 + rollbackNum, consumer.getWinNum());
        expKeys.addAll(eventKeys.get(2).subList(0, (int) (stats.getTotalStats().getNumDataEvents() - numEvents)));
        for (int i = 0; i < stats.getTotalStats().getNumDataEvents() - numEvents; i++) expSeqs.add((i / 30) * 30 + 30L);
        assertEquals("Keys", expKeys, consumer.getKeys());
        assertEquals("Sequences", expSeqs, consumer.getSequences());
        numEvents = stats.getTotalStats().getNumDataEvents();
        assertEquals(clientConn.getRelayPullThread().getConnectionState().getDataEventsBuffer().isSCNRegress(), false);
    } finally {
        client.shutdown();
    }
}

Example 25 with SimpleObjectCaptureHandler

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

the class DummySuccessfulErrorCountingConsumer method captureAndReplyRegisterRequest.

private void captureAndReplyRegisterRequest(SimpleObjectCaptureHandler objCapture, SimpleTestServerConnection relay, SocketAddress clientAddr, final DatabusSourcesConnection clientConn, Logger log) throws JsonGenerationException, JsonMappingException, IOException {
    log.debug("process the /register request");
    NettyTestUtils.waitForHttpRequest(objCapture, "/register.*", 1000);
    objCapture.clear();
    log.debug("send back the /register response");
    RegisterResponseEntry entry = new RegisterResponseEntry(1L, (short) 1, SOURCE1_SCHEMA_STR);
    String responseStr = NettyTestUtils.generateRegisterResponse(entry);
    HttpResponse registerResp = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    HttpChunk body = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer(responseStr.getBytes(Charset.defaultCharset())));
    NettyTestUtils.sendServerResponses(relay, clientAddr, registerResp, body);
    log.debug("make sure the client processes the response /register correctly");
    TestUtil.assertWithBackoff(new ConditionCheck() {

        @Override
        public boolean check() {
            DispatcherState dispState = clientConn.getRelayDispatcher().getDispatcherState();
            return null != dispState.getSchemaMap() && 1 == dispState.getSchemaMap().size();
        }
    }, "client processes /register response", 100, log);
}