Example #1
0
        protected override void DoSubscribe(string groupPath, INotifyListener listener)
        {
            _zkClient.EnsurePathRecursive(groupPath, false);

            ConcurrentDictionary <INotifyListener, ChildListener> listeners;

            if (_zkListeners.TryGetValue(groupPath, out listeners) == false)
            {
                listeners = _zkListeners.GetOrAdd(groupPath, new ConcurrentDictionary <INotifyListener, ChildListener>());
            }

            ChildListener childListener;

            if (listeners.TryGetValue(listener, out childListener) == false)
            {
                childListener = new ChildListener(_zkClient, groupPath);
                childListener.OnMetadataChanged += (metas) => this.Notify(groupPath, listener, metas);
                listeners.TryAdd(listener, childListener);
            }

            var children  = _zkClient.SubscribeChildListener(childListener);
            var metadatas = children.Select(child => _zkClient.GetData(groupPath + "/" + child, false, null).ToMetadata()).ToList();

            this.Notify(groupPath, listener, metadatas);
        }
Example #2
0
        public override void OnChildrenChanged(List <string> children)
        {
            System.Console.WriteLine("ChildListener.OnChildrenChanged = [{0}]", string.Join(",", children));
            var metadataBytes = children.Select(child => _zkClient.GetData(child, false, null));

            this.Metadatas = metadataBytes.Select(bytes => bytes.ToMetadata()).ToList();
            this.OnMetadataChangedHandle(this.Metadatas);
        }
        public void GetData_should_not_add_watch_triggered_by_Created()
        {
            var path    = "/watch/new";
            var watcher = new TestWatcher();

            client.GetData(new GetDataRequest(path)
            {
                Watcher = watcher
            }).Status.Should().Be(ZooKeeperStatus.NodeNotFound);
            client.Create(new CreateRequest(path, CreateMode.Persistent)).EnsureSuccess();
            watcher.ShouldNotBeTriggered();
        }
Example #4
0
        public void Should_use_default_replica_builder()
        {
            CreateEnvironmentNode("default");

            using (var beacon = new ServiceBeacon(ZooKeeperClient))
            {
                beacon.Start();
                beacon.WaitForInitialRegistrationAsync().ShouldCompleteIn(DefaultTimeout);

                var builder = ReplicaInfoBuilder.Build(null, true);
                var path    = new ServiceDiscoveryPathHelper(new ServiceBeaconSettings().ZooKeeperNodesPrefix, ZooKeeperPathEscaper.Instance)
                              .BuildReplicaPath(builder.Environment, builder.Application, builder.Replica);
                var data = ZooKeeperClient.GetData(path).Data;
                var dict = ReplicaNodeDataSerializer.Deserialize(builder.Environment, builder.Application, builder.Replica, data).Properties;

                dict[ReplicaInfoKeys.Application].Should().Be(builder.Application);
            }
        }
Example #5
0
        public void Start_should_create_node_with_replica_properties()
        {
            var replica = new ReplicaInfo("default", "vostok", "https://github.com/vostok");

            replica.SetProperty("key", "value");
            CreateEnvironmentNode(replica.Environment);

            using (var beacon = GetServiceBeacon(replica))
            {
                beacon.Start();
                beacon.WaitForInitialRegistrationAsync().ShouldCompleteIn(DefaultTimeout);

                var path = new ServiceDiscoveryPathHelper(new ServiceBeaconSettings().ZooKeeperNodesPrefix, ZooKeeperPathEscaper.Instance)
                           .BuildReplicaPath(replica.Environment, replica.Application, replica.Replica);
                var data = ZooKeeperClient.GetData(path).Data;
                var dict = ReplicaNodeDataSerializer.Deserialize(replica.Environment, replica.Application, replica.Replica, data).Properties;

                dict["key"].Should().Be("value");
            }
        }
Example #6
0
        public void Should_use_replica_builder()
        {
            var url = "https://github.com/vostok";

            CreateEnvironmentNode("default");

            using (var beacon = new ServiceBeacon(
                       ZooKeeperClient,
                       setup => setup.SetUrl(new Uri(url)).SetApplication("test")))
            {
                beacon.Start();
                beacon.WaitForInitialRegistrationAsync().ShouldCompleteIn(DefaultTimeout);

                var path = new ServiceDiscoveryPathHelper(new ServiceBeaconSettings().ZooKeeperNodesPrefix, ZooKeeperPathEscaper.Instance)
                           .BuildReplicaPath("default", "test", url);
                var data = ZooKeeperClient.GetData(path).Data;
                var dict = ReplicaNodeDataSerializer.Deserialize("default", "test", url, data).Properties;

                dict[ReplicaInfoKeys.Replica].Should().Be(url);
                dict[ReplicaInfoKeys.Application].Should().Be("test");
            }
        }