Examples with EventMeshException org.apache.eventmesh.common.exception.EventMeshException used on opensource projects

Example 1 with EventMeshException

use of org.apache.eventmesh.common.exception.EventMeshException in project incubator-eventmesh by apache.

the class AbstractHttpClient method setHttpClient.

private CloseableHttpClient setHttpClient() throws EventMeshException {
    if (!eventMeshHttpClientConfig.isUseTls()) {
        return HttpClients.createDefault();
    }
    SSLContext sslContext;
    try {
        // todo: config in properties file?
        String protocol = System.getProperty("ssl.client.protocol", "TLSv1.2");
        TrustManager[] tm = new TrustManager[] { new MyX509TrustManager() };
        sslContext = SSLContext.getInstance(protocol);
        sslContext.init(null, tm, new SecureRandom());
        // todo: custom client pool
        return HttpClients.custom().setSSLContext(sslContext).setSSLHostnameVerifier(new DefaultHostnameVerifier()).build();
    } catch (Exception e) {
        log.error("Error in creating HttpClient.", e);
        throw new EventMeshException(e);
    }
}

Example 2 with EventMeshException

use of org.apache.eventmesh.common.exception.EventMeshException in project incubator-eventmesh by apache.

the class EventMeshHttpConsumer method heartBeat.

// todo: remove http heartBeat?
public void heartBeat(List<SubscriptionItem> topicList, String subscribeUrl) {
    Preconditions.checkNotNull(topicList, "Subscribe item cannot be null");
    Preconditions.checkNotNull(subscribeUrl, "SubscribeUrl cannot be null");
    scheduler.scheduleAtFixedRate(() -> {
        try {
            List<HeartbeatRequestBody.HeartbeatEntity> heartbeatEntities = topicList.stream().map(subscriptionItem -> {
                HeartbeatRequestBody.HeartbeatEntity heartbeatEntity = new HeartbeatRequestBody.HeartbeatEntity();
                heartbeatEntity.topic = subscriptionItem.getTopic();
                heartbeatEntity.url = subscribeUrl;
                return heartbeatEntity;
            }).collect(Collectors.toList());
            RequestParam requestParam = buildCommonRequestParam().addHeader(ProtocolKey.REQUEST_CODE, RequestCode.HEARTBEAT.getRequestCode()).addBody(HeartbeatRequestBody.CLIENTTYPE, ClientType.SUB.name()).addBody(HeartbeatRequestBody.HEARTBEATENTITIES, JsonUtils.serialize(heartbeatEntities));
            String target = selectEventMesh();
            String res = HttpUtils.post(httpClient, target, requestParam);
            EventMeshRetObj ret = JsonUtils.deserialize(res, EventMeshRetObj.class);
            if (ret.getRetCode() != EventMeshRetCode.SUCCESS.getRetCode()) {
                throw new EventMeshException(ret.getRetCode(), ret.getRetMsg());
            }
        } catch (Exception e) {
            log.error("send heartBeat error", e);
        }
    }, EventMeshCommon.HEARTBEAT, EventMeshCommon.HEARTBEAT, TimeUnit.MILLISECONDS);
}

Example 3 with EventMeshException

use of org.apache.eventmesh.common.exception.EventMeshException in project incubator-eventmesh by apache.

the class EventMeshHttpConsumer method subscribe.

/**
 * When receive message will callback the url.
 *
 * @param topicList    topic that be subscribed
 * @param subscribeUrl url will be trigger
 * @throws EventMeshException if subscribe failed
 */
public void subscribe(List<SubscriptionItem> topicList, String subscribeUrl) throws EventMeshException {
    Preconditions.checkNotNull(topicList, "Subscribe item cannot be null");
    Preconditions.checkNotNull(subscribeUrl, "SubscribeUrl cannot be null");
    RequestParam subscribeParam = buildCommonRequestParam().addHeader(ProtocolKey.REQUEST_CODE, RequestCode.SUBSCRIBE.getRequestCode()).addBody(SubscribeRequestBody.TOPIC, JsonUtils.serialize(topicList)).addBody(SubscribeRequestBody.CONSUMERGROUP, eventMeshHttpClientConfig.getConsumerGroup()).addBody(SubscribeRequestBody.URL, subscribeUrl);
    String target = selectEventMesh();
    try {
        String subRes = HttpUtils.post(httpClient, target, subscribeParam);
        EventMeshRetObj ret = JsonUtils.deserialize(subRes, EventMeshRetObj.class);
        if (ret.getRetCode() != EventMeshRetCode.SUCCESS.getRetCode()) {
            throw new EventMeshException(ret.getRetCode(), ret.getRetMsg());
        }
        SUBSCRIPTIONS.addAll(topicList);
    } catch (Exception ex) {
        throw new EventMeshException(String.format("Subscribe topic error, target:%s", target), ex);
    }
}

Example 4 with EventMeshException

use of org.apache.eventmesh.common.exception.EventMeshException in project incubator-eventmesh by apache.

the class CloudEventProducer method publish.

@Override
public void publish(CloudEvent cloudEvent) throws EventMeshException {
    validateCloudEvent(cloudEvent);
    CloudEvent enhanceCloudEvent = enhanceCloudEvent(cloudEvent);
    // todo: Can put to abstract class, all protocol use the same send method? This can be a template method
    RequestParam requestParam = buildCommonPostParam(enhanceCloudEvent).addHeader(ProtocolKey.REQUEST_CODE, RequestCode.MSG_SEND_ASYNC.getRequestCode());
    String target = selectEventMesh();
    try {
        String response = HttpUtils.post(httpClient, target, requestParam);
        EventMeshRetObj ret = JsonUtils.deserialize(response, EventMeshRetObj.class);
        if (ret.getRetCode() != EventMeshRetCode.SUCCESS.getRetCode()) {
            throw new EventMeshException(ret.getRetCode(), ret.getRetMsg());
        }
    } catch (Exception exception) {
        throw new EventMeshException(String.format("Publish message error, target:%s", target), exception);
    }
}

Example 5 with EventMeshException

use of org.apache.eventmesh.common.exception.EventMeshException in project incubator-eventmesh by apache.

the class CloudEventProducer method request.

@Override
public CloudEvent request(CloudEvent cloudEvent, long timeout) throws EventMeshException {
    validateCloudEvent(cloudEvent);
    CloudEvent enhanceCloudEvent = enhanceCloudEvent(cloudEvent);
    RequestParam requestParam = buildCommonPostParam(enhanceCloudEvent).addHeader(ProtocolKey.REQUEST_CODE, RequestCode.MSG_SEND_SYNC.getRequestCode()).setTimeout(timeout);
    String target = selectEventMesh();
    try {
        String response = HttpUtils.post(httpClient, target, requestParam);
        EventMeshRetObj ret = JsonUtils.deserialize(response, EventMeshRetObj.class);
        if (ret.getRetCode() == EventMeshRetCode.SUCCESS.getRetCode()) {
            return transformMessage(ret);
        }
        throw new EventMeshException(ret.getRetCode(), ret.getRetMsg());
    } catch (Exception e) {
        throw new EventMeshException(String.format("Request message error, target:%s", target), e);
    }
}