| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| #ifndef _PULSAR_BINARY_LOOKUP_SERVICE_HEADER_ |
| #define _PULSAR_BINARY_LOOKUP_SERVICE_HEADER_ |
| |
| #include <pulsar/Authentication.h> |
| #include <pulsar/ClientConfiguration.h> |
| #include <pulsar/Schema.h> |
| |
| #include <mutex> |
| |
| #include "LookupService.h" |
| |
| namespace pulsar { |
| class ClientConnection; |
| using ClientConnectionWeakPtr = std::weak_ptr<ClientConnection>; |
| class ConnectionPool; |
| class LookupDataResult; |
| class ServiceNameResolver; |
| using NamespaceTopicsPromisePtr = std::shared_ptr<Promise<Result, NamespaceTopicsPtr>>; |
| using GetSchemaPromisePtr = std::shared_ptr<Promise<Result, SchemaInfo>>; |
| |
| class PULSAR_PUBLIC BinaryProtoLookupService : public LookupService { |
| public: |
| BinaryProtoLookupService(ServiceNameResolver& serviceNameResolver, ConnectionPool& pool, |
| const ClientConfiguration& clientConfiguration) |
| : serviceNameResolver_(serviceNameResolver), |
| cnxPool_(pool), |
| listenerName_(clientConfiguration.getListenerName()), |
| maxLookupRedirects_(clientConfiguration.getMaxLookupRedirects()) {} |
| |
| LookupResultFuture getBroker(const TopicName& topicName) override; |
| |
| Future<Result, LookupDataResultPtr> getPartitionMetadataAsync(const TopicNamePtr& topicName) override; |
| |
| Future<Result, NamespaceTopicsPtr> getTopicsOfNamespaceAsync( |
| const NamespaceNamePtr& nsName, CommandGetTopicsOfNamespace_Mode mode) override; |
| |
| Future<Result, SchemaInfo> getSchema(const TopicNamePtr& topicName, const std::string& version) override; |
| |
| protected: |
| // Mark findBroker as protected to make it accessible from test. |
| LookupResultFuture findBroker(const std::string& address, bool authoritative, const std::string& topic, |
| size_t redirectCount); |
| |
| private: |
| std::mutex mutex_; |
| uint64_t requestIdGenerator_ = 0; |
| |
| ServiceNameResolver& serviceNameResolver_; |
| ConnectionPool& cnxPool_; |
| std::string listenerName_; |
| const int32_t maxLookupRedirects_; |
| |
| void sendPartitionMetadataLookupRequest(const std::string& topicName, Result result, |
| const ClientConnectionWeakPtr& clientCnx, |
| LookupDataResultPromisePtr promise); |
| |
| void handlePartitionMetadataLookup(const std::string& topicName, Result result, LookupDataResultPtr data, |
| const ClientConnectionWeakPtr& clientCnx, |
| LookupDataResultPromisePtr promise); |
| |
| void sendGetTopicsOfNamespaceRequest(const std::string& nsName, CommandGetTopicsOfNamespace_Mode mode, |
| Result result, const ClientConnectionWeakPtr& clientCnx, |
| NamespaceTopicsPromisePtr promise); |
| |
| void sendGetSchemaRequest(const std::string& topicName, const std::string& version, Result result, |
| const ClientConnectionWeakPtr& clientCnx, GetSchemaPromisePtr promise); |
| |
| void getTopicsOfNamespaceListener(Result result, NamespaceTopicsPtr topicsPtr, |
| NamespaceTopicsPromisePtr promise); |
| |
| uint64_t newRequestId(); |
| }; |
| typedef std::shared_ptr<BinaryProtoLookupService> BinaryProtoLookupServicePtr; |
| } // namespace pulsar |
| |
| #endif //_PULSAR_BINARY_LOOKUP_SERVICE_HEADER_ |