Examples with TopicDomain org.apache.pulsar.common.naming.TopicDomain used on opensource projects

Example 1 with TopicDomain

use of org.apache.pulsar.common.naming.TopicDomain in project incubator-pulsar by apache.

the class TopicLookup method lookupTopicAsync.

@GET
@Path("{topic-domain}/{property}/{cluster}/{namespace}/{topic}")
@Produces(MediaType.APPLICATION_JSON)
public void lookupTopicAsync(@PathParam("topic-domain") String topicDomain, @PathParam("property") String property, @PathParam("cluster") String cluster, @PathParam("namespace") String namespace, @PathParam("topic") @Encoded String encodedTopic, @QueryParam("authoritative") @DefaultValue("false") boolean authoritative, @Suspended AsyncResponse asyncResponse) {
    String topicName = Codec.decode(encodedTopic);
    TopicDomain domain = null;
    try {
        domain = TopicDomain.getEnum(topicDomain);
    } catch (IllegalArgumentException e) {
        log.error("[{}] Invalid topic-domain {}", clientAppId(), topicDomain, e);
        throw new RestException(Status.METHOD_NOT_ALLOWED, "Unsupported topic domain " + topicDomain);
    }
    TopicName topic = TopicName.get(domain.value(), property, cluster, namespace, topicName);
    if (!pulsar().getBrokerService().getLookupRequestSemaphore().tryAcquire()) {
        log.warn("No broker was found available for topic {}", topic);
        asyncResponse.resume(new WebApplicationException(Response.Status.SERVICE_UNAVAILABLE));
        return;
    }
    try {
        validateClusterOwnership(topic.getCluster());
        checkConnect(topic);
        validateGlobalNamespaceOwnership(topic.getNamespaceObject());
    } catch (WebApplicationException we) {
        // Validation checks failed
        log.error("Validation check failed: {}", we.getMessage());
        completeLookupResponseExceptionally(asyncResponse, we);
        return;
    } catch (Throwable t) {
        // Validation checks failed with unknown error
        log.error("Validation check failed: {}", t.getMessage(), t);
        completeLookupResponseExceptionally(asyncResponse, new RestException(t));
        return;
    }
    CompletableFuture<Optional<LookupResult>> lookupFuture = pulsar().getNamespaceService().getBrokerServiceUrlAsync(topic, authoritative);
    lookupFuture.thenAccept(optionalResult -> {
        if (optionalResult == null || !optionalResult.isPresent()) {
            log.warn("No broker was found available for topic {}", topic);
            completeLookupResponseExceptionally(asyncResponse, new WebApplicationException(Response.Status.SERVICE_UNAVAILABLE));
            return;
        }
        LookupResult result = optionalResult.get();
        // We have found either a broker that owns the topic, or a broker to which we should redirect the client to
        if (result.isRedirect()) {
            boolean newAuthoritative = this.isLeaderBroker();
            URI redirect;
            try {
                String redirectUrl = isRequestHttps() ? result.getLookupData().getHttpUrlTls() : result.getLookupData().getHttpUrl();
                checkNotNull(redirectUrl, "Redirected cluster's service url is not configured");
                redirect = new URI(String.format("%s%s%s?authoritative=%s", redirectUrl, "/lookup/v2/destination/", topic.getLookupName(), newAuthoritative));
            } catch (URISyntaxException | NullPointerException e) {
                log.error("Error in preparing redirect url for {}: {}", topic, e.getMessage(), e);
                completeLookupResponseExceptionally(asyncResponse, e);
                return;
            }
            if (log.isDebugEnabled()) {
                log.debug("Redirect lookup for topic {} to {}", topic, redirect);
            }
            completeLookupResponseExceptionally(asyncResponse, new WebApplicationException(Response.temporaryRedirect(redirect).build()));
        } else {
            // Found broker owning the topic
            if (log.isDebugEnabled()) {
                log.debug("Lookup succeeded for topic {} -- broker: {}", topic, result.getLookupData());
            }
            completeLookupResponseSuccessfully(asyncResponse, result.getLookupData());
        }
    }).exceptionally(exception -> {
        log.warn("Failed to lookup broker for topic {}: {}", topic, exception.getMessage(), exception);
        completeLookupResponseExceptionally(asyncResponse, exception);
        return null;
    });
}

Example 2 with TopicDomain

use of org.apache.pulsar.common.naming.TopicDomain in project incubator-pulsar by apache.

the class TopicLookup method getNamespaceBundle.

@GET
@Path("{topic-domain}/{property}/{cluster}/{namespace}/{topic}/bundle")
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"), @ApiResponse(code = 405, message = "Invalid topic domain type") })
public String getNamespaceBundle(@PathParam("topic-domain") String topicDomain, @PathParam("property") String property, @PathParam("cluster") String cluster, @PathParam("namespace") String namespace, @PathParam("topic") @Encoded String topicName) {
    topicName = Codec.decode(topicName);
    TopicDomain domain = null;
    try {
        domain = TopicDomain.getEnum(topicDomain);
    } catch (IllegalArgumentException e) {
        log.error("[{}] Invalid topic-domain {}", clientAppId(), topicDomain, e);
        throw new RestException(Status.METHOD_NOT_ALLOWED, "Bundle lookup can not be done on topic domain " + topicDomain);
    }
    TopicName topic = TopicName.get(domain.value(), property, cluster, namespace, topicName);
    validateSuperUserAccess();
    try {
        NamespaceBundle bundle = pulsar().getNamespaceService().getBundle(topic);
        return bundle.getBundleRange();
    } catch (Exception e) {
        log.error("[{}] Failed to get namespace bundle for {}", clientAppId(), topic, e);
        throw new RestException(e);
    }
}