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Example 1 with ProducerAccessMode

use of org.apache.pulsar.common.api.proto.ProducerAccessMode in project pulsar by apache.

the class ServerCnx method buildProducerAndAddTopic.

private void buildProducerAndAddTopic(Topic topic, long producerId, String producerName, long requestId, boolean isEncrypted, Map<String, String> metadata, SchemaVersion schemaVersion, long epoch, boolean userProvidedProducerName, TopicName topicName, ProducerAccessMode producerAccessMode, Optional<Long> topicEpoch, boolean supportsPartialProducer, CompletableFuture<Producer> producerFuture) {
    CompletableFuture<Void> producerQueuedFuture = new CompletableFuture<>();
    Producer producer = new Producer(topic, ServerCnx.this, producerId, producerName, getPrincipal(), isEncrypted, metadata, schemaVersion, epoch, userProvidedProducerName, producerAccessMode, topicEpoch, supportsPartialProducer);
    topic.addProducer(producer, producerQueuedFuture).thenAccept(newTopicEpoch -> {
        if (isActive()) {
            if (producerFuture.complete(producer)) {
                log.info("[{}] Created new producer: {}", remoteAddress, producer);
                commandSender.sendProducerSuccessResponse(requestId, producerName, producer.getLastSequenceId(), producer.getSchemaVersion(), newTopicEpoch, true);
                if (getBrokerService().getInterceptor() != null) {
                    getBrokerService().getInterceptor().producerCreated(this, producer, metadata);
                }
                return;
            } else {
                // The producer's future was completed before by
                // a close command
                producer.closeNow(true);
                log.info("[{}] Cleared producer created after" + " timeout on client side {}", remoteAddress, producer);
            }
        } else {
            producer.closeNow(true);
            log.info("[{}] Cleared producer created after connection was closed: {}", remoteAddress, producer);
            producerFuture.completeExceptionally(new IllegalStateException("Producer created after connection was closed"));
        }
        producers.remove(producerId, producerFuture);
    }).exceptionally(ex -> {
        if (ex.getCause() instanceof BrokerServiceException.ProducerFencedException) {
            if (log.isDebugEnabled()) {
                log.debug("[{}] Failed to add producer to topic {}: producerId={}, {}", remoteAddress, topicName, producerId, ex.getCause().getMessage());
            }
        } else {
            log.warn("[{}] Failed to add producer to topic {}: producerId={}, {}", remoteAddress, topicName, producerId, ex.getCause().getMessage());
        }
        producer.closeNow(true);
        if (producerFuture.completeExceptionally(ex)) {
            commandSender.sendErrorResponse(requestId, BrokerServiceException.getClientErrorCode(ex), ex.getMessage());
        }
        return null;
    });
    producerQueuedFuture.thenRun(() -> {
        // that we need to pass to client
        if (isActive()) {
            log.info("[{}] Producer is waiting in queue: {}", remoteAddress, producer);
            commandSender.sendProducerSuccessResponse(requestId, producerName, producer.getLastSequenceId(), producer.getSchemaVersion(), Optional.empty(), false);
            if (getBrokerService().getInterceptor() != null) {
                getBrokerService().getInterceptor().producerCreated(this, producer, metadata);
            }
        }
    });
}
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Example 2 with ProducerAccessMode

use of org.apache.pulsar.common.api.proto.ProducerAccessMode in project pulsar by apache.

the class ServerCnx method handleProducer.

@Override
protected void handleProducer(final CommandProducer cmdProducer) {
    checkArgument(state == State.Connected);
    final long producerId = cmdProducer.getProducerId();
    final long requestId = cmdProducer.getRequestId();
    // Use producer name provided by client if present
    final String producerName = cmdProducer.hasProducerName() ? cmdProducer.getProducerName() : service.generateUniqueProducerName();
    final long epoch = cmdProducer.getEpoch();
    final boolean userProvidedProducerName = cmdProducer.isUserProvidedProducerName();
    final boolean isEncrypted = cmdProducer.isEncrypted();
    final Map<String, String> metadata = CommandUtils.metadataFromCommand(cmdProducer);
    final SchemaData schema = cmdProducer.hasSchema() ? getSchema(cmdProducer.getSchema()) : null;
    final ProducerAccessMode producerAccessMode = cmdProducer.getProducerAccessMode();
    final Optional<Long> topicEpoch = cmdProducer.hasTopicEpoch() ? Optional.of(cmdProducer.getTopicEpoch()) : Optional.empty();
    final boolean isTxnEnabled = cmdProducer.isTxnEnabled();
    final String initialSubscriptionName = cmdProducer.hasInitialSubscriptionName() ? cmdProducer.getInitialSubscriptionName() : null;
    final boolean supportsPartialProducer = supportsPartialProducer();
    TopicName topicName = validateTopicName(cmdProducer.getTopic(), requestId, cmdProducer);
    if (topicName == null) {
        return;
    }
    if (invalidOriginalPrincipal(originalPrincipal)) {
        final String msg = "Valid Proxy Client role should be provided while creating producer ";
        log.warn("[{}] {} with role {} and proxyClientAuthRole {} on topic {}", remoteAddress, msg, authRole, originalPrincipal, topicName);
        commandSender.sendErrorResponse(requestId, ServerError.AuthorizationError, msg);
        return;
    }
    CompletableFuture<Boolean> isAuthorizedFuture = isTopicOperationAllowed(topicName, TopicOperation.PRODUCE);
    if (!Strings.isNullOrEmpty(initialSubscriptionName)) {
        isAuthorizedFuture = isAuthorizedFuture.thenCombine(isTopicOperationAllowed(topicName, TopicOperation.SUBSCRIBE), (canProduce, canSubscribe) -> canProduce && canSubscribe);
    }
    isAuthorizedFuture.thenApply(isAuthorized -> {
        if (!isAuthorized) {
            String msg = "Client is not authorized to Produce";
            log.warn("[{}] {} with role {}", remoteAddress, msg, getPrincipal());
            ctx.writeAndFlush(Commands.newError(requestId, ServerError.AuthorizationError, msg));
            return null;
        }
        if (log.isDebugEnabled()) {
            log.debug("[{}] Client is authorized to Produce with role {}", remoteAddress, getPrincipal());
        }
        CompletableFuture<Producer> producerFuture = new CompletableFuture<>();
        CompletableFuture<Producer> existingProducerFuture = producers.putIfAbsent(producerId, producerFuture);
        if (existingProducerFuture != null) {
            if (existingProducerFuture.isDone() && !existingProducerFuture.isCompletedExceptionally()) {
                Producer producer = existingProducerFuture.getNow(null);
                log.info("[{}] Producer with the same id is already created:" + " producerId={}, producer={}", remoteAddress, producerId, producer);
                commandSender.sendProducerSuccessResponse(requestId, producer.getProducerName(), producer.getSchemaVersion());
                return null;
            } else {
                // There was an early request to create a producer with same producerId.
                // This can happen when client timeout is lower than the broker timeouts.
                // We need to wait until the previous producer creation request
                // either complete or fails.
                ServerError error = null;
                if (!existingProducerFuture.isDone()) {
                    error = ServerError.ServiceNotReady;
                } else {
                    error = getErrorCode(existingProducerFuture);
                    // remove producer with producerId as it's already completed with exception
                    producers.remove(producerId, existingProducerFuture);
                }
                log.warn("[{}][{}] Producer with id is already present on the connection, producerId={}", remoteAddress, topicName, producerId);
                commandSender.sendErrorResponse(requestId, error, "Producer is already present on the connection");
                return null;
            }
        }
        log.info("[{}][{}] Creating producer. producerId={}", remoteAddress, topicName, producerId);
        service.getOrCreateTopic(topicName.toString()).thenCompose((Topic topic) -> {
            // Before creating producer, check if backlog quota exceeded
            // on topic for size based limit and time based limit
            CompletableFuture<Void> backlogQuotaCheckFuture = CompletableFuture.allOf(topic.checkBacklogQuotaExceeded(producerName, BacklogQuotaType.destination_storage), topic.checkBacklogQuotaExceeded(producerName, BacklogQuotaType.message_age));
            backlogQuotaCheckFuture.thenRun(() -> {
                // Check whether the producer will publish encrypted messages or not
                if ((topic.isEncryptionRequired() || encryptionRequireOnProducer) && !isEncrypted) {
                    String msg = String.format("Encryption is required in %s", topicName);
                    log.warn("[{}] {}", remoteAddress, msg);
                    if (producerFuture.completeExceptionally(new ServerMetadataException(msg))) {
                        commandSender.sendErrorResponse(requestId, ServerError.MetadataError, msg);
                    }
                    producers.remove(producerId, producerFuture);
                    return;
                }
                disableTcpNoDelayIfNeeded(topicName.toString(), producerName);
                CompletableFuture<SchemaVersion> schemaVersionFuture = tryAddSchema(topic, schema);
                schemaVersionFuture.exceptionally(exception -> {
                    if (producerFuture.completeExceptionally(exception)) {
                        String message = exception.getMessage();
                        if (exception.getCause() != null) {
                            message += (" caused by " + exception.getCause());
                        }
                        commandSender.sendErrorResponse(requestId, BrokerServiceException.getClientErrorCode(exception), message);
                    }
                    producers.remove(producerId, producerFuture);
                    return null;
                });
                schemaVersionFuture.thenAccept(schemaVersion -> {
                    topic.checkIfTransactionBufferRecoverCompletely(isTxnEnabled).thenAccept(future -> {
                        CompletableFuture<Subscription> createInitSubFuture;
                        if (!Strings.isNullOrEmpty(initialSubscriptionName) && topic.isPersistent() && !topic.getSubscriptions().containsKey(initialSubscriptionName)) {
                            if (!this.getBrokerService().isAllowAutoSubscriptionCreation(topicName)) {
                                String msg = "Could not create the initial subscription due to the auto subscription " + "creation is not allowed.";
                                if (producerFuture.completeExceptionally(new BrokerServiceException.NotAllowedException(msg))) {
                                    log.warn("[{}] {} initialSubscriptionName: {}, topic: {}", remoteAddress, msg, initialSubscriptionName, topicName);
                                    commandSender.sendErrorResponse(requestId, ServerError.NotAllowedError, msg);
                                }
                                producers.remove(producerId, producerFuture);
                                return;
                            }
                            createInitSubFuture = topic.createSubscription(initialSubscriptionName, InitialPosition.Earliest, false);
                        } else {
                            createInitSubFuture = CompletableFuture.completedFuture(null);
                        }
                        createInitSubFuture.whenComplete((sub, ex) -> {
                            if (ex != null) {
                                String msg = "Failed to create the initial subscription: " + ex.getCause().getMessage();
                                log.warn("[{}] {} initialSubscriptionName: {}, topic: {}", remoteAddress, msg, initialSubscriptionName, topicName);
                                if (producerFuture.completeExceptionally(ex)) {
                                    commandSender.sendErrorResponse(requestId, BrokerServiceException.getClientErrorCode(ex), msg);
                                }
                                producers.remove(producerId, producerFuture);
                                return;
                            }
                            buildProducerAndAddTopic(topic, producerId, producerName, requestId, isEncrypted, metadata, schemaVersion, epoch, userProvidedProducerName, topicName, producerAccessMode, topicEpoch, supportsPartialProducer, producerFuture);
                        });
                    }).exceptionally(exception -> {
                        Throwable cause = exception.getCause();
                        log.error("producerId {}, requestId {} : TransactionBuffer recover failed", producerId, requestId, exception);
                        if (producerFuture.completeExceptionally(exception)) {
                            commandSender.sendErrorResponse(requestId, ServiceUnitNotReadyException.getClientErrorCode(cause), cause.getMessage());
                        }
                        producers.remove(producerId, producerFuture);
                        return null;
                    });
                });
            });
            return backlogQuotaCheckFuture;
        }).exceptionally(exception -> {
            Throwable cause = exception.getCause();
            if (cause instanceof BrokerServiceException.TopicBacklogQuotaExceededException) {
                BrokerServiceException.TopicBacklogQuotaExceededException tbqe = (BrokerServiceException.TopicBacklogQuotaExceededException) cause;
                IllegalStateException illegalStateException = new IllegalStateException(tbqe);
                BacklogQuota.RetentionPolicy retentionPolicy = tbqe.getRetentionPolicy();
                if (producerFuture.completeExceptionally(illegalStateException)) {
                    if (retentionPolicy == BacklogQuota.RetentionPolicy.producer_request_hold) {
                        commandSender.sendErrorResponse(requestId, ServerError.ProducerBlockedQuotaExceededError, illegalStateException.getMessage());
                    } else if (retentionPolicy == BacklogQuota.RetentionPolicy.producer_exception) {
                        commandSender.sendErrorResponse(requestId, ServerError.ProducerBlockedQuotaExceededException, illegalStateException.getMessage());
                    }
                }
                producers.remove(producerId, producerFuture);
                return null;
            }
            // Do not print stack traces for expected exceptions
            if (cause instanceof NoSuchElementException) {
                cause = new TopicNotFoundException("Topic Not Found.");
                log.info("[{}] Failed to load topic {}, producerId={}: Topic not found", remoteAddress, topicName, producerId);
            } else if (!Exceptions.areExceptionsPresentInChain(cause, ServiceUnitNotReadyException.class, ManagedLedgerException.class)) {
                log.error("[{}] Failed to create topic {}, producerId={}", remoteAddress, topicName, producerId, exception);
            }
            // client, only if not completed already.
            if (producerFuture.completeExceptionally(exception)) {
                commandSender.sendErrorResponse(requestId, BrokerServiceException.getClientErrorCode(cause), cause.getMessage());
            }
            producers.remove(producerId, producerFuture);
            return null;
        });
        return null;
    }).exceptionally(ex -> {
        logAuthException(remoteAddress, "producer", getPrincipal(), Optional.of(topicName), ex);
        commandSender.sendErrorResponse(requestId, ServerError.AuthorizationError, ex.getMessage());
        return null;
    });
}
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Aggregations

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