Package org.apache.hedwig.protocol.PubSubProtocol

Examples of org.apache.hedwig.protocol.PubSubProtocol.Message

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            // hear success
            originalRequest.getCallback().operationFinished(originalRequest.getCtx(), resultOfOperation);

            // Original message that was persisted didn't have the local seq-id.
            // Lets add that in
            Message messageWithLocalSeqId = MessageIdUtils.mergeLocalSeqId(originalRequest.getMessage(),
                                            resultOfOperation);

            // Now enqueue a request to add this newly persisted message to our
            // cache
            CacheKey cacheKey = new CacheKey(originalRequest.getTopic(), resultOfOperation);
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                try {
                    Enumeration<LedgerEntry> seq = lh.readEntries(startSeqId - ledger.startSeqIdIncluded, correctedEndSeqId - ledger.startSeqIdIncluded);
                    LedgerEntry entry = null;
                    while (seq.hasMoreElements()) {
                        entry = seq.nextElement();
                        Message message;
                        try {
                            message = Message.parseFrom(entry.getEntryInputStream());
                        } catch (IOException e) {
                            System.out.println("WARN: Unreadable message found\n");
                            expectedEntryId++;
                            continue;
                        }
                        if (expectedEntryId != entry.getEntryId()
                            || (message.getMsgId().getLocalComponent() - ledger.startSeqIdIncluded) != expectedEntryId) {
                            throw new IOException("ERROR: Message ids are out of order : expected entry id " + expectedEntryId
                                                + ", current entry id " + entry.getEntryId() + ", msg seq id " + message.getMsgId().getLocalComponent());
                        }
                        expectedEntryId++;
                        formatMessage(message);

                    }
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                if (i != args.length - 1) {
                    sb.append(' ');
                }
            }
            ByteString msgBody = ByteString.copyFromUtf8(sb.toString());
            Message msg = Message.newBuilder().setBody(msgBody).build();
            try {
                publisher.publish(topic, msg);
                System.out.println("PUB DONE");
            } catch (Exception e) {
                System.err.println("PUB FAILED");
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        // picking constants arbitarily for warmup phase
        ThroughputLatencyAggregator agg = new ThroughputLatencyAggregator("acked pubs", nWarmup, 100);
        agg.startProgress();

        Message msg = getMsg(1024);
        for (int i = 0; i < nWarmup; i++) {
            publisher.asyncPublish(topic, msg, new BenchmarkCallback(agg), null);
        }

        if (agg.tpAgg.queue.take() > 0) {
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        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < size; i++) {
            sb.append('a');
        }
        final ByteString body = ByteString.copyFromUtf8(sb.toString());
        Message msg = Message.newBuilder().setBody(body).build();
        return msg;
    }
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        Message msg = Message.newBuilder().setBody(body).build();
        return msg;
    }

    public Void call() throws Exception {
        Message msg = getMsg(msgSize);

        // Single warmup for every topic
        int myPublishCount = 0;
        for (int i = 0; i < numTopics; i++) {
            if (!HedwigBenchmark.amIResponsibleForTopic(startTopicLabel + i, partitionIndex, numPartitions)) {
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        // Lets scan now
        StubScanCallback scanCallback = new StubScanCallback();
        bkpm.scanMessages(new RangeScanRequest(topic, 1, NUM_MESSAGES_TO_TEST, Long.MAX_VALUE, scanCallback, null));
        for (int i = 0; i < messages.size(); i++) {
            Either<Message,Exception> e = ConcurrencyUtils.take(scanCallback.queue);
            Message scannedMessage = e.left();
            if (scannedMessage == null) {
                throw e.right();
            }

            assertTrue(messages.get(i).getBody().equals(scannedMessage.getBody()));
            assertEquals(i + 1, scannedMessage.getMsgId().getLocalComponent());
        }
        assertTrue(StubScanCallback.END_MESSAGE == ConcurrencyUtils.take(scanCallback.queue).left());

    }
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        // start delivery
        OrderCheckingMessageHandler ocm = new OrderCheckingMessageHandler(
                topic, subId, startMsgId, numMsgs);
        subscriber.startDelivery(topic, subId, ocm);
        for (int i=0; i<numMsgs; i++) {
            Message msg = Message.newBuilder().setBody(
                    ByteString.copyFromUtf8(Integer.toString(startMsgId + i))).build();
            publisher.publish(topic, msg);
        }
        logger.info("Publish finished.");
        queue.take();
        logger.info("Deliver finished.");
        // check messages received in order
        assertTrue(ocm.isInOrder());

        // wait for retention secs
        Thread.sleep((RETENTION_SECS_VALUE + 2) * 1000);

        subscriber.stopDelivery(topic, subId);
        subscriber.closeSubscription(topic, subId);

        startMsgId = 20;
        // reconnect it again
        subscriber.subscribe(topic, subId, CreateOrAttach.CREATE_OR_ATTACH);
        ocm = new OrderCheckingMessageHandler(topic, subId, startMsgId, numMsgs);
        subscriber.startDelivery(topic, subId, ocm);
        for (int i=0; i<numMsgs; i++) {
            Message msg = Message.newBuilder().setBody(
                    ByteString.copyFromUtf8(Integer.toString(startMsgId + i))).build();
            publisher.publish(topic, msg);
        }
        queue.take();
        // check messages received in order
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        // start delivery
        OrderCheckingMessageHandler ocm = new OrderCheckingMessageHandler(
                topic, subId, startMsgId, numMsgs);
        subscriber.startDelivery(topic, subId, ocm);
        for (int i=0; i<numMsgs; i++) {
            Message msg = Message.newBuilder().setBody(
                    ByteString.copyFromUtf8(Integer.toString(startMsgId + i))).build();
            publisher.publish(topic, msg);
        }
        logger.info("Publish finished.");
        queue.take();
        logger.info("Deliver finished.");
        // check messages received in order
        assertTrue(ocm.isInOrder());
        // make sure consume request sent to hub server before shut down
        Thread.sleep(2000);
        subscriber.stopDelivery(topic, subId);
        subscriber.closeSubscription(topic, subId);

        stopHubServers();
        Thread.sleep(1000);
        startHubServers();

        startMsgId = 20;
        // reconnect it again
        subscriber.subscribe(topic, subId, CreateOrAttach.CREATE_OR_ATTACH);
        ocm = new OrderCheckingMessageHandler(topic, subId, startMsgId, numMsgs);
        subscriber.startDelivery(topic, subId, ocm);
        for (int i=0; i<numMsgs; i++) {
            Message msg = Message.newBuilder().setBody(
                    ByteString.copyFromUtf8(Integer.toString(startMsgId + i))).build();
            publisher.publish(topic, msg);
        }
        queue.take();
        // check messages received in order
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                    sb.append(' ');
                }
            }
            // append a timestamp tag
            ByteString msgBody = ByteString.copyFromUtf8(sb.toString() + "-" + startTime);
            final Message msg = Message.newBuilder().setBody(msgBody).build();

            boolean subscribed = false;
            boolean success = false;
            final CountDownLatch isDone = new CountDownLatch(1);
            long elapsedTime = 0L;

            System.out.println("Starting PUBSUB test ...");
            try {
                // sub the topic
                subscriber.subscribe(topic, subId, CreateOrAttach.CREATE_OR_ATTACH);
                subscribed = true;

                System.out.println("Sub topic " + topic.toStringUtf8() + ", subscriber id " + subId.toStringUtf8());

               

                // pub topic
                publisher.publish(topic, msg);
                System.out.println("Pub topic " + topic.toStringUtf8() + " : " + msg.getBody().toStringUtf8());

                // ensure subscriber first, publish next, then we start delivery to receive message
                // if start delivery first before publish, isDone may notify before wait
                subscriber.startDelivery(topic, subId, new MessageHandler() {

                    @Override
                    public void deliver(ByteString thisTopic, ByteString subscriberId,
                            Message message, Callback<Void> callback, Object context) {
                        if (thisTopic.equals(topic) && subscriberId.equals(subId) &&
                            msg.getBody().equals(message.getBody())) {
                            System.out.println("Received message : " + message.getBody().toStringUtf8());
                            isDone.countDown();
                        }
                        callback.operationFinished(context, null);
                    }
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Related Classes of org.apache.hedwig.protocol.PubSubProtocol.Message

  • org.apache.hedwig.admin.console.HedwigConsole$PubCmd
  • org.apache.hedwig.admin.console.HedwigConsole$PubSubCmd
  • org.apache.hedwig.admin.console.ReadTopic
  • org.apache.hedwig.client.benchmark.BenchmarkPublisher
  • org.apache.hedwig.client.handlers.SubscribeResponseHandler
  • org.apache.hedwig.client.netty.impl.AbstractSubscribeResponseHandler
  • org.apache.hedwig.client.netty.impl.simple.SimpleSubscribeResponseHandler
  • org.apache.hedwig.client.TestPubSubClient
  • org.apache.hedwig.data.MessageFormatter
  • org.apache.hedwig.server.delivery.TestFIFODeliveryManager
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