Examples with ServiceInstance com.baidu.brpc.client.channel.ServiceInstance used on opensource projects

Example 16 with ServiceInstance

use of com.baidu.brpc.client.channel.ServiceInstance in project brpc-java by baidu.

the class DubboZookeeperNamingService method doSubscribe.

@Override
public void doSubscribe(SubscribeInfo subscribeInfo, final NotifyListener listener) throws Exception {
    final String path = buildParentNodePath(subscribeInfo.getGroup(), subscribeInfo.getInterfaceName(), subscribeInfo.getVersion());
    PathChildrenCache cache = new PathChildrenCache(client, path, true);
    cache.getListenable().addListener(new PathChildrenCacheListener() {

        @Override
        public void childEvent(CuratorFramework client, PathChildrenCacheEvent event) throws Exception {
            ChildData data = event.getData();
            // 子节点信息，将监听的父节点信息擦除
            String childNodePath = data.getPath().replace(path + "/", "");
            String providerUrlString = URLDecoder.decode(childNodePath, "UTF-8");
            BrpcURL url = new BrpcURL(providerUrlString);
            ServiceInstance instance = new ServiceInstance(url.getHostPorts());
            switch(event.getType()) {
                case CHILD_ADDED:
                    {
                        listener.notify(Collections.singletonList(instance), Collections.<ServiceInstance>emptyList());
                        break;
                    }
                case CHILD_REMOVED:
                    {
                        listener.notify(Collections.<ServiceInstance>emptyList(), Collections.singletonList(instance));
                        break;
                    }
                case CHILD_UPDATED:
                default:
                    break;
            }
        }
    });
    cache.start(PathChildrenCache.StartMode.BUILD_INITIAL_CACHE);
    subscribeCacheMap.putIfAbsent(subscribeInfo, cache);
    log.info("dubbo subscribe success from {}", url);
}

Example 17 with ServiceInstance

use of com.baidu.brpc.client.channel.ServiceInstance in project brpc-java by baidu.

the class DubboZookeeperNamingService method lookup.

@Override
public List<ServiceInstance> lookup(SubscribeInfo subscribeInfo) {
    String path = buildParentNodePath(subscribeInfo.getGroup(), subscribeInfo.getInterfaceName(), subscribeInfo.getVersion());
    List<ServiceInstance> instances = new ArrayList<ServiceInstance>();
    try {
        List<String> childList = client.getChildren().forPath(path);
        for (String child : childList) {
            String providerUrlString = URLDecoder.decode(child, "UTF-8");
            BrpcURL url = new BrpcURL(providerUrlString);
            ServiceInstance instance = new ServiceInstance(url.getHostPorts());
            if (subscribeInfo != null && StringUtils.isNoneBlank(subscribeInfo.getServiceId())) {
                instance.setServiceName(subscribeInfo.getServiceId());
            }
            instances.add(instance);
        }
        log.info("lookup {} instances from {}", instances.size(), url);
    } catch (Exception ex) {
        log.warn("lookup service instance list failed from {}, msg={}", url, ex.getMessage());
        if (!subscribeInfo.isIgnoreFailOfNamingService()) {
            throw new RpcException("lookup service instance list failed from zookeeper", ex);
        }
    }
    return instances;
}

Example 18 with ServiceInstance

use of com.baidu.brpc.client.channel.ServiceInstance in project brpc-java by baidu.

the class StargateZookeeperNamingService method doSubscribe.

@Override
public void doSubscribe(SubscribeInfo subscribeInfo, final NotifyListener listener) throws Exception {
    final String path = buildParentNodePath(resolveGroup(subscribeInfo), subscribeInfo.getInterfaceName(), resolveVersion(subscribeInfo));
    PathChildrenCache cache = new PathChildrenCache(client, path, true);
    cache.getListenable().addListener(new PathChildrenCacheListener() {

        @Override
        public void childEvent(CuratorFramework client, PathChildrenCacheEvent event) throws Exception {
            ChildData data = event.getData();
            // 子节点信息，将监听的父节点信息擦除
            String childNodePath = data.getPath().replace(path + "/", "");
            // 如果是客户端上线，不做处理
            if (StargateConstants.ZK_CONSUMER_DIR.equals(childNodePath)) {
                return;
            }
            switch(event.getType()) {
                case CHILD_ADDED:
                    {
                        ServiceInstance endPoint = new ServiceInstance(childNodePath);
                        listener.notify(Collections.singletonList(endPoint), Collections.<ServiceInstance>emptyList());
                        break;
                    }
                case CHILD_REMOVED:
                    {
                        ServiceInstance endPoint = new ServiceInstance(childNodePath);
                        listener.notify(Collections.<ServiceInstance>emptyList(), Collections.singletonList(endPoint));
                        break;
                    }
                case CHILD_UPDATED:
                default:
                    break;
            }
        }
    });
    cache.start(PathChildrenCache.StartMode.BUILD_INITIAL_CACHE);
    subscribeCacheMap.putIfAbsent(subscribeInfo, cache);
    log.info("stargate subscribe success from {}", url);
}

Example 19 with ServiceInstance

use of com.baidu.brpc.client.channel.ServiceInstance in project brpc-java by baidu.

the class ZookeeperNamingService method lookup.

@Override
public List<ServiceInstance> lookup(SubscribeInfo subscribeInfo) {
    String path = getSubscribePath(subscribeInfo);
    List<ServiceInstance> instances = new ArrayList<ServiceInstance>();
    try {
        List<String> childList = client.getChildren().forPath(path);
        for (String child : childList) {
            String childPath = path + "/" + child;
            try {
                String childData = new String(client.getData().forPath(childPath));
                Endpoint endpoint = GsonUtils.fromJson(childData, Endpoint.class);
                ServiceInstance instance = new ServiceInstance(endpoint);
                if (subscribeInfo != null && StringUtils.isNoneBlank(subscribeInfo.getServiceId())) {
                    instance.setServiceName(subscribeInfo.getServiceId());
                }
                instances.add(instance);
            } catch (Exception getDataFailedException) {
                log.warn("get child data failed, path:{}, ex:", childPath, getDataFailedException);
            }
        }
        log.info("lookup {} instances from {}", instances.size(), url);
    } catch (Exception ex) {
        log.warn("lookup end point list failed from {}, msg={}", url, ex.getMessage());
        if (!subscribeInfo.isIgnoreFailOfNamingService()) {
            throw new RpcException("lookup end point list failed from zookeeper failed", ex);
        }
    }
    return instances;
}

Example 20 with ServiceInstance

use of com.baidu.brpc.client.channel.ServiceInstance in project brpc-java by baidu.

the class ZookeeperNamingService method doSubscribe.

@Override
public void doSubscribe(SubscribeInfo subscribeInfo, final NotifyListener listener) throws Exception {
    String path = getSubscribePath(subscribeInfo);
    PathChildrenCache cache = new PathChildrenCache(client, path, true);
    cache.getListenable().addListener(new PathChildrenCacheListener() {

        @Override
        public void childEvent(CuratorFramework client, PathChildrenCacheEvent event) throws Exception {
            ChildData data = event.getData();
            switch(event.getType()) {
                case CHILD_ADDED:
                    {
                        ServiceInstance instance = GsonUtils.fromJson(new String(data.getData()), ServiceInstance.class);
                        listener.notify(Collections.singletonList(instance), Collections.<ServiceInstance>emptyList());
                        break;
                    }
                case CHILD_REMOVED:
                    {
                        ServiceInstance instance = GsonUtils.fromJson(new String(data.getData()), ServiceInstance.class);
                        listener.notify(Collections.<ServiceInstance>emptyList(), Collections.singletonList(instance));
                        break;
                    }
                case CHILD_UPDATED:
                    break;
                default:
                    break;
            }
        }
    });
    cache.start(PathChildrenCache.StartMode.BUILD_INITIAL_CACHE);
    subscribeCacheMap.putIfAbsent(subscribeInfo, cache);
    log.info("subscribe success from {}", url);
}