Examples with StreamEventPublisher software.amazon.awssdk.eventstreamrpc.StreamEventPublisher used on opensource projects

Example 1 with StreamEventPublisher

use of software.amazon.awssdk.eventstreamrpc.StreamEventPublisher in project aws-greengrass-nucleus by aws-greengrass.

the class PubSubIPCEventStreamAgent method handlePublishToTopicRequest.

@SuppressWarnings("PMD.PreserveStackTrace")
private PublishToTopicResponse handlePublishToTopicRequest(String topic, String serviceName, Optional<Map<String, Object>> jsonMessage, Optional<byte[]> binaryMessage) {
    if (topic == null) {
        throw new InvalidArgumentsError("Publish topic must not be null");
    }
    if (topic.contains(MQTT_SINGLELEVEL_WILDCARD) || topic.contains(MQTT_MULTILEVEL_WILDCARD) || topic.contains(GLOB_WILDCARD)) {
        throw new InvalidArgumentsError("Publish topic must not contain a wildcard.");
    }
    Set<Object> contexts = listeners.get(topic);
    if (contexts == null || contexts.isEmpty()) {
        log.atDebug().kv(COMPONENT_NAME, serviceName).log("No one subscribed to topic {}. Returning.", topic);
        // Still technically successful, just no one was subscribed
        return new PublishToTopicResponse();
    }
    SubscriptionResponseMessage message = new SubscriptionResponseMessage();
    PublishEvent publishedEvent = PublishEvent.builder().topic(topic).build();
    if (jsonMessage.isPresent()) {
        JsonMessage message1 = new JsonMessage();
        message1.setMessage(jsonMessage.get());
        message1.setEventTopic(topic);
        message.setJsonMessage(message1);
        try {
            publishedEvent.setPayload(SERIALIZER.writeValueAsBytes(jsonMessage.get()));
        } catch (JsonProcessingException e) {
            log.atError().cause(e).kv(COMPONENT_NAME, serviceName).log("Unable to serialize JSON message.");
            throw new InvalidArgumentsError("Unable to serialize payload as JSON");
        }
    }
    if (binaryMessage.isPresent()) {
        BinaryMessage binaryMessage1 = new BinaryMessage();
        binaryMessage1.setMessage(binaryMessage.get());
        binaryMessage1.setEventTopic(topic);
        message.setBinaryMessage(binaryMessage1);
        publishedEvent.setPayload(binaryMessage.get());
    }
    contexts.forEach(context -> {
        log.atDebug().kv(COMPONENT_NAME, serviceName).log("Sending publish event for topic {}", topic);
        if (context instanceof StreamEventPublisher) {
            StreamEventPublisher<SubscriptionResponseMessage> publisher = (StreamEventPublisher<SubscriptionResponseMessage>) context;
            orderedExecutorService.execute(() -> publisher.sendStreamEvent(message), publisher);
        } else if (context instanceof Consumer) {
            Consumer<PublishEvent> consumer = (Consumer<PublishEvent>) context;
            orderedExecutorService.execute(() -> consumer.accept(publishedEvent), consumer);
        }
    });
    return new PublishToTopicResponse();
}

Example 2 with StreamEventPublisher

use of software.amazon.awssdk.eventstreamrpc.StreamEventPublisher in project aws-greengrass-nucleus by aws-greengrass.

the class PubSubIPCEventStreamAgentTest method GIVEN_subscribed_to_topic_from_all_sources_WHEN_publish_many_binary_message_THEN_publishes_message_inorder.

@Test
void GIVEN_subscribed_to_topic_from_all_sources_WHEN_publish_many_binary_message_THEN_publishes_message_inorder() throws InterruptedException, AuthorizationException {
    StreamEventPublisher publisher = mock(StreamEventPublisher.class);
    Set<Object> set = new HashSet<>();
    set.add(publisher);
    pubSubIPCEventStreamAgent.getListeners().add(TEST_TOPIC, set);
    when(publisher.sendStreamEvent(subscriptionResponseMessageCaptor.capture())).thenReturn(new CompletableFuture());
    List<PublishToTopicRequest> publishToTopicRequests = new ArrayList<>();
    for (int i = 0; i < 10; i++) {
        PublishToTopicRequest publishToTopicRequest = new PublishToTopicRequest();
        publishToTopicRequest.setTopic(TEST_TOPIC);
        PublishMessage publishMessage = new PublishMessage();
        BinaryMessage binaryMessage = new BinaryMessage();
        binaryMessage.setMessage(String.valueOf(i).getBytes());
        publishMessage.setBinaryMessage(binaryMessage);
        publishToTopicRequest.setPublishMessage(publishMessage);
        publishToTopicRequests.add(publishToTopicRequest);
    }
    try (PubSubIPCEventStreamAgent.PublishToTopicOperationHandler publishToTopicHandler = pubSubIPCEventStreamAgent.getPublishToTopicHandler(mockContext)) {
        for (PublishToTopicRequest publishToTopicRequest : publishToTopicRequests) {
            PublishToTopicResponse publishToTopicResponse = publishToTopicHandler.handleRequest(publishToTopicRequest);
            assertNotNull(publishToTopicResponse);
        }
        verify(authorizationHandler, times(10)).isAuthorized(eq(PUB_SUB_SERVICE_NAME), permissionArgumentCaptor.capture(), eq(ResourceLookupPolicy.MQTT_STYLE));
        Permission capturedPermission = permissionArgumentCaptor.getValue();
        assertThat(capturedPermission.getOperation(), is(GreengrassCoreIPCService.PUBLISH_TO_TOPIC));
        assertThat(capturedPermission.getPrincipal(), is(TEST_SERVICE));
        assertThat(capturedPermission.getResource(), is(TEST_TOPIC));
        TimeUnit.SECONDS.sleep(2);
        assertNotNull(subscriptionResponseMessageCaptor.getAllValues());
        assertEquals(10, subscriptionResponseMessageCaptor.getAllValues().size());
        int i = 0;
        for (SubscriptionResponseMessage responseMessage : subscriptionResponseMessageCaptor.getAllValues()) {
            assertNull(responseMessage.getJsonMessage());
            assertNotNull(responseMessage.getBinaryMessage());
            assertEquals(String.valueOf(i), new String(responseMessage.getBinaryMessage().getMessage()));
            assertEquals(TEST_TOPIC, responseMessage.getBinaryMessage().getEventTopic());
            i++;
        }
    }
}

Example 3 with StreamEventPublisher

use of software.amazon.awssdk.eventstreamrpc.StreamEventPublisher in project aws-greengrass-nucleus by aws-greengrass.

the class PubSubIPCEventStreamAgentTest method GIVEN_subscribed_to_topic_from_all_sources_WHEN_publish_many_json_message_THEN_publishes_message_inorder.

@Test
void GIVEN_subscribed_to_topic_from_all_sources_WHEN_publish_many_json_message_THEN_publishes_message_inorder() throws InterruptedException, AuthorizationException {
    StreamEventPublisher publisher = mock(StreamEventPublisher.class);
    Set<Object> set = new HashSet<>();
    set.add(publisher);
    pubSubIPCEventStreamAgent.getListeners().add(TEST_TOPIC, set);
    when(publisher.sendStreamEvent(subscriptionResponseMessageCaptor.capture())).thenReturn(new CompletableFuture());
    List<PublishToTopicRequest> publishToTopicRequests = new ArrayList<>();
    for (int i = 0; i < 10; i++) {
        PublishToTopicRequest publishToTopicRequest = new PublishToTopicRequest();
        publishToTopicRequest.setTopic(TEST_TOPIC);
        PublishMessage publishMessage = new PublishMessage();
        JsonMessage jsonMessage = new JsonMessage();
        Map<String, Object> message = new HashMap<>();
        message.putIfAbsent("SomeKey", i);
        jsonMessage.setMessage(message);
        publishMessage.setJsonMessage(jsonMessage);
        publishToTopicRequest.setPublishMessage(publishMessage);
        publishToTopicRequests.add(publishToTopicRequest);
    }
    try (PubSubIPCEventStreamAgent.PublishToTopicOperationHandler publishToTopicHandler = pubSubIPCEventStreamAgent.getPublishToTopicHandler(mockContext)) {
        for (PublishToTopicRequest publishToTopicRequest : publishToTopicRequests) {
            PublishToTopicResponse publishToTopicResponse = publishToTopicHandler.handleRequest(publishToTopicRequest);
            assertNotNull(publishToTopicResponse);
        }
        verify(authorizationHandler, times(10)).isAuthorized(eq(PUB_SUB_SERVICE_NAME), permissionArgumentCaptor.capture(), eq(ResourceLookupPolicy.MQTT_STYLE));
        Permission capturedPermission = permissionArgumentCaptor.getValue();
        assertThat(capturedPermission.getOperation(), is(GreengrassCoreIPCService.PUBLISH_TO_TOPIC));
        assertThat(capturedPermission.getPrincipal(), is(TEST_SERVICE));
        assertThat(capturedPermission.getResource(), is(TEST_TOPIC));
        TimeUnit.SECONDS.sleep(2);
        assertNotNull(subscriptionResponseMessageCaptor.getAllValues());
        assertEquals(10, subscriptionResponseMessageCaptor.getAllValues().size());
        int i = 0;
        for (SubscriptionResponseMessage responseMessage : subscriptionResponseMessageCaptor.getAllValues()) {
            assertNotNull(responseMessage.getJsonMessage());
            assertNull(responseMessage.getBinaryMessage());
            assertThat(responseMessage.getJsonMessage().getMessage(), IsMapContaining.hasEntry("SomeKey", i));
            assertEquals(TEST_TOPIC, responseMessage.getJsonMessage().getEventTopic());
            i++;
        }
    }
}

Example 4 with StreamEventPublisher

use of software.amazon.awssdk.eventstreamrpc.StreamEventPublisher in project aws-greengrass-nucleus by aws-greengrass.

the class PubSubIPCEventStreamAgentTest method GIVEN_subscribed_to_topic_from_all_sources_WHEN_publish_binary_message_THEN_publishes_message.

@Test
void GIVEN_subscribed_to_topic_from_all_sources_WHEN_publish_binary_message_THEN_publishes_message() throws InterruptedException, AuthorizationException {
    StreamEventPublisher publisher = mock(StreamEventPublisher.class);
    Set<Object> set = new HashSet<>();
    set.add(publisher);
    pubSubIPCEventStreamAgent.getListeners().add(TEST_TOPIC, set);
    when(publisher.sendStreamEvent(subscriptionResponseMessageCaptor.capture())).thenReturn(new CompletableFuture());
    PublishToTopicRequest publishToTopicRequest = new PublishToTopicRequest();
    publishToTopicRequest.setTopic(TEST_TOPIC);
    PublishMessage publishMessage = new PublishMessage();
    BinaryMessage binaryMessage = new BinaryMessage();
    binaryMessage.setMessage("ABCD".getBytes());
    publishMessage.setBinaryMessage(binaryMessage);
    publishToTopicRequest.setPublishMessage(publishMessage);
    try (PubSubIPCEventStreamAgent.PublishToTopicOperationHandler publishToTopicHandler = pubSubIPCEventStreamAgent.getPublishToTopicHandler(mockContext)) {
        PublishToTopicResponse publishToTopicResponse = publishToTopicHandler.handleRequest(publishToTopicRequest);
        assertNotNull(publishToTopicResponse);
        verify(authorizationHandler).isAuthorized(eq(PUB_SUB_SERVICE_NAME), permissionArgumentCaptor.capture(), eq(ResourceLookupPolicy.MQTT_STYLE));
        Permission capturedPermission = permissionArgumentCaptor.getValue();
        assertThat(capturedPermission.getOperation(), is(GreengrassCoreIPCService.PUBLISH_TO_TOPIC));
        assertThat(capturedPermission.getPrincipal(), is(TEST_SERVICE));
        assertThat(capturedPermission.getResource(), is(TEST_TOPIC));
        TimeUnit.SECONDS.sleep(2);
        assertNotNull(subscriptionResponseMessageCaptor.getValue());
        SubscriptionResponseMessage message = subscriptionResponseMessageCaptor.getValue();
        assertNull(message.getJsonMessage());
        assertNotNull(message.getBinaryMessage());
        assertEquals("ABCD", new String(message.getBinaryMessage().getMessage()));
        assertEquals(TEST_TOPIC, message.getBinaryMessage().getEventTopic());
    }
}

Example 5 with StreamEventPublisher

use of software.amazon.awssdk.eventstreamrpc.StreamEventPublisher in project aws-greengrass-nucleus by aws-greengrass.

the class PubSubIPCEventStreamAgentTest method GIVEN_subscribed_to_topic_from_all_sources_WHEN_publish_json_message_THEN_publishes_message.

@Test
void GIVEN_subscribed_to_topic_from_all_sources_WHEN_publish_json_message_THEN_publishes_message() throws InterruptedException, AuthorizationException {
    StreamEventPublisher publisher = mock(StreamEventPublisher.class);
    Set<Object> set = new HashSet<>();
    set.add(publisher);
    pubSubIPCEventStreamAgent.getListeners().add(TEST_TOPIC, set);
    when(publisher.sendStreamEvent(subscriptionResponseMessageCaptor.capture())).thenReturn(new CompletableFuture());
    PublishToTopicRequest publishToTopicRequest = new PublishToTopicRequest();
    publishToTopicRequest.setTopic(TEST_TOPIC);
    PublishMessage publishMessage = new PublishMessage();
    JsonMessage jsonMessage = new JsonMessage();
    Map<String, Object> message = new HashMap<>();
    message.putIfAbsent("SomeKey", "SomValue");
    jsonMessage.setMessage(message);
    publishMessage.setJsonMessage(jsonMessage);
    publishToTopicRequest.setPublishMessage(publishMessage);
    try (PubSubIPCEventStreamAgent.PublishToTopicOperationHandler publishToTopicHandler = pubSubIPCEventStreamAgent.getPublishToTopicHandler(mockContext)) {
        PublishToTopicResponse publishToTopicResponse = publishToTopicHandler.handleRequest(publishToTopicRequest);
        assertNotNull(publishToTopicResponse);
        verify(authorizationHandler).isAuthorized(eq(PUB_SUB_SERVICE_NAME), permissionArgumentCaptor.capture(), eq(ResourceLookupPolicy.MQTT_STYLE));
        Permission capturedPermission = permissionArgumentCaptor.getValue();
        assertThat(capturedPermission.getOperation(), is(GreengrassCoreIPCService.PUBLISH_TO_TOPIC));
        assertThat(capturedPermission.getPrincipal(), is(TEST_SERVICE));
        assertThat(capturedPermission.getResource(), is(TEST_TOPIC));
        TimeUnit.SECONDS.sleep(2);
        assertNotNull(subscriptionResponseMessageCaptor.getValue());
        SubscriptionResponseMessage responseMessage = subscriptionResponseMessageCaptor.getValue();
        assertNotNull(responseMessage.getJsonMessage());
        assertNull(responseMessage.getBinaryMessage());
        assertThat(responseMessage.getJsonMessage().getMessage(), IsMapContaining.hasEntry("SomeKey", "SomValue"));
        assertEquals(TEST_TOPIC, responseMessage.getJsonMessage().getEventTopic());
    }
}