| /** |
| * 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 LIBMINIFI_INCLUDE_IO_STREAMFACTORY_H_ |
| #define LIBMINIFI_INCLUDE_IO_STREAMFACTORY_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <utility> |
| |
| #include "properties/Configure.h" |
| #include "Sockets.h" |
| #include "utils/StringUtils.h" |
| #include "validation.h" |
| #include "controllers/SSLContextService.h" |
| #include "NetworkPrioritizer.h" |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace io { |
| |
| class AbstractStreamFactory { |
| public: |
| virtual ~AbstractStreamFactory() = default; |
| |
| virtual std::unique_ptr<Socket> createSocket(const std::string &host, uint16_t port) = 0; |
| |
| virtual std::unique_ptr<Socket> createSecureSocket(const std::string &host, uint16_t port, const std::shared_ptr<minifi::controllers::SSLContextService> &ssl_service) = 0; |
| }; |
| |
| /** |
| Purpose: Due to the current design this is the only mechanism by which we can |
| inject different socket types |
| **/ |
| class StreamFactory { |
| public: |
| /** |
| * Creates a socket and returns a unique ptr |
| * |
| */ |
| std::unique_ptr<Socket> createSocket(const std::string &host, const uint16_t port, uint32_t estimated_size = 0) { |
| auto socket = delegate_->createSocket(host, port); |
| auto prioritizer_ = NetworkPrioritizerFactory::getInstance()->getPrioritizer(); |
| if (nullptr != prioritizer_) { |
| auto &&ifc = prioritizer_->getInterface(estimated_size); |
| if (ifc.getInterface().empty()) { |
| return nullptr; |
| } else { |
| socket->setInterface(std::move(ifc)); |
| } |
| } |
| return socket; |
| } |
| |
| /** |
| * Creates a socket and returns a unique ptr |
| * |
| */ |
| std::unique_ptr<Socket> createSecureSocket(const std::string &host, const uint16_t port, const std::shared_ptr<minifi::controllers::SSLContextService> &ssl_service, uint32_t estimated_size = 0) { |
| auto socket = delegate_->createSecureSocket(host, port, ssl_service); |
| auto prioritizer_ = NetworkPrioritizerFactory::getInstance()->getPrioritizer(); |
| if (nullptr != prioritizer_) { |
| auto &&ifc = prioritizer_->getInterface(estimated_size); |
| if (ifc.getInterface().empty()) { |
| return nullptr; |
| } else { |
| socket->setInterface(std::move(ifc)); |
| } |
| } |
| return socket; |
| } |
| |
| static std::shared_ptr<StreamFactory> getInstance(const std::shared_ptr<Configure> &configuration) { |
| // avoid invalid access |
| static std::shared_ptr<StreamFactory> factory = std::shared_ptr<StreamFactory>(new StreamFactory(configuration)); |
| return factory; |
| } |
| |
| protected: |
| StreamFactory(const std::shared_ptr<Configure> &configure); // NOLINT |
| |
| std::shared_ptr<AbstractStreamFactory> delegate_; |
| }; |
| |
| } // namespace io |
| } // namespace minifi |
| } // namespace nifi |
| } // namespace apache |
| } // namespace org |
| |
| #endif // LIBMINIFI_INCLUDE_IO_STREAMFACTORY_H_ |