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Diffstat (limited to 'src/components/transport_manager/include/transport_manager/cloud/websocket_client_connection.h')
-rw-r--r-- | src/components/transport_manager/include/transport_manager/cloud/websocket_client_connection.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/src/components/transport_manager/include/transport_manager/cloud/websocket_client_connection.h b/src/components/transport_manager/include/transport_manager/cloud/websocket_client_connection.h new file mode 100644 index 0000000000..76c8ca73cd --- /dev/null +++ b/src/components/transport_manager/include/transport_manager/cloud/websocket_client_connection.h @@ -0,0 +1,205 @@ +/* + * \file websocket_client_connection.h + * \brief WebsocketClientConnection class header file. + * + * Copyright (c) 2018, Livio + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following + * disclaimer in the documentation and/or other materials provided with the + * distribution. + * + * Neither the name of the Ford Motor Company nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef SRC_COMPONENTS_TRANSPORT_MANAGER_INCLUDE_TRANSPORT_MANAGER_CLOUD_WEBSOCKET_CLIENT_CONNECTION_H_ +#define SRC_COMPONENTS_TRANSPORT_MANAGER_INCLUDE_TRANSPORT_MANAGER_CLOUD_WEBSOCKET_CLIENT_CONNECTION_H_ + +#include <boost/asio/connect.hpp> +#include <boost/asio/ip/tcp.hpp> +#include <boost/asio/thread_pool.hpp> +#include <boost/beast/core.hpp> +#include <boost/beast/websocket.hpp> +#ifdef ENABLE_SECURITY +#include <boost/asio/ssl/stream.hpp> +#include <boost/beast/websocket/ssl.hpp> +#endif // ENABLE_SECURITY +#include <cstdlib> +#include <functional> +#include <iostream> +#include <memory> +#include <string> +#include <thread> +#include "transport_manager/cloud/cloud_websocket_transport_adapter.h" +#include "transport_manager/transport_adapter/connection.h" +#include "utils/message_queue.h" +#include "utils/threads/message_loop_thread.h" +#include "utils/threads/thread.h" + +namespace websocket = + boost::beast::websocket; // from <boost/beast/websocket.hpp> + +using tcp = boost::asio::ip::tcp; // from <boost/asio/ip/tcp.hpp> +typedef websocket::stream<tcp::socket> WS; + +#ifdef ENABLE_SECURITY +namespace ssl = boost::asio::ssl; // from <boost/asio/ssl.hpp> +typedef websocket::stream<ssl::stream<tcp::socket> > WSS; +#endif // ENABLE_SECURITY + +using ::utils::MessageQueue; + +typedef std::queue<protocol_handler::RawMessagePtr> AsyncQueue; +typedef protocol_handler::RawMessagePtr Message; + +namespace transport_manager { +namespace transport_adapter { + +class TransportAdapterController; + +/** + * @brief Class responsible for communication over bluetooth sockets. + */ +class WebsocketClientConnection + : public std::enable_shared_from_this<WebsocketClientConnection>, + public Connection { + public: + /** + * @brief Constructor. + * + * @param device_uid Device unique identifier. + * @param app_handle Handle of device. + * @param controller Pointer to the device adapter controller. + */ + WebsocketClientConnection(const DeviceUID& device_uid, + const ApplicationHandle& app_handle, + TransportAdapterController* controller); + + /** + * @brief Destructor. + */ + virtual ~WebsocketClientConnection(); + + /** + * @brief Check if we can start the connection attempt and establish + *connection status. + * + * @param error contains information of any error that occurred during + *connection attempt. + * + * @return result that states whether we successfully connected or not. + */ + TransportAdapter::Error Start(); + + /** + * @brief Send data frame. + * + * @param message Smart pointer to the raw message. + * + * @return Error Information about possible reason of sending data failure. + */ + TransportAdapter::Error SendData(::protocol_handler::RawMessagePtr message); + + /** + * @brief Disconnect the current connection. + * + * @return Error Information about possible reason of Disconnect failure. + */ + TransportAdapter::Error Disconnect(); + +#ifdef ENABLE_SECURITY + /** + * @brief Attempt to add provided certificate to the ssl::context + * + * @param cert Certificate string from policy table + */ + void AddCertificateAuthority(std::string cert, boost::system::error_code& ec); +#endif // ENABLE_SECURITY + + void Shutdown(); + + void Recv(boost::system::error_code ec); + + void OnRead(boost::system::error_code ec, std::size_t bytes_transferred); + + private: + TransportAdapterController* controller_; + boost::asio::io_context ioc_; + tcp::resolver resolver_; + boost::beast::flat_buffer buffer_; + std::string host_; + std::string text_; + WS ws_; +#ifdef ENABLE_SECURITY + ssl::context ctx_; + WSS wss_; +#endif // ENABLE_SECURITY + + std::atomic_bool shutdown_; + + CloudAppProperties cloud_properties; + typedef std::queue<protocol_handler::RawMessagePtr> FrameQueue; + FrameQueue frames_to_send_; + mutable sync_primitives::Lock frames_to_send_mutex_; + + MessageQueue<Message, AsyncQueue> message_queue_; + + class LoopThreadDelegate : public threads::ThreadDelegate { + public: + LoopThreadDelegate(MessageQueue<Message, AsyncQueue>* message_queue, + WebsocketClientConnection* handler); + + virtual void threadMain() OVERRIDE; + virtual void exitThreadMain() OVERRIDE; + + void OnWrite(); + + void SetShutdown(); + + private: + void DrainQueue(); + MessageQueue<Message, AsyncQueue>& message_queue_; + WebsocketClientConnection& handler_; + sync_primitives::Lock queue_lock_; + sync_primitives::ConditionalVariable queue_new_items_; + std::atomic_bool write_pending_; + std::atomic_bool shutdown_; + + sync_primitives::Lock write_lock_; + }; + + LoopThreadDelegate* thread_delegate_; + threads::Thread* write_thread_; + std::thread io_service_thread_; + + const DeviceUID device_uid_; + const ApplicationHandle app_handle_; + + boost::asio::thread_pool io_pool_; +}; + +} // namespace transport_adapter +} // namespace transport_manager + +#endif // SRC_COMPONENTS_TRANSPORT_MANAGER_INCLUDE_TRANSPORT_MANAGER_BLUETOOTH_BLUETOOTH_SOCKET_CONNECTION_H_ |