218 lines
7.5 KiB
C
218 lines
7.5 KiB
C
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/**
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* Filename drsdk_transport_socket.h
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* Copyright Shanghai Baosight Software Co., Ltd.
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* Description Define DrSdkTransportSocket, as client use boost::asio to communicate with DataService.
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*
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* Author wuzheqiang
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* Version 09/20/2024 wuzheqiang Initial Version
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**************************************************************/
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#ifndef DRSDK_TRANSPORT_SOCKET_H
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#define DRSDK_TRANSPORT_SOCKET_H
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#include "drsdk_transport.h"
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#include <atomic>
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#include <boost/asio.hpp>
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#include <boost/asio/deadline_timer.hpp> // 使用 deadline_timer
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#include <condition_variable>
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#include <list>
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#include <mutex>
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#include <queue>
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#include <tuple>
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namespace dsfapi
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{
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class DrSdkTransportSocket : public DrSdkTransport, public std::enable_shared_from_this<DrSdkTransportSocket>
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{
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public:
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using DataTuple = std::tuple<std::shared_ptr<char>, int32>; // buffer , length
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using DataTupleSend = std::tuple<std::shared_ptr<char>, int32, uint64>; // buffer , length , ms_timestamp
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DrSdkTransportSocket();
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~DrSdkTransportSocket();
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std::shared_ptr<DrSdkTransportSocket> getSharedFromThis()
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{
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return shared_from_this();
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}
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/**
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* @brief init DrSdkTransportSocket: conenct to DataService
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* @param [in] tDRSdkConnectParam contains server ip, server port, connect timeout
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* @return Successfully returned 0, other returned error codes
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* @version 09/10/2024 wuzheqiang Initial Version
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*/
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int32 Init(const DRSdkConnectParam &tDRSdkConnectParam, const bool bIsMain = true);
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/**
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* @brief Close socket
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* @return Successfully returned 0, other returned error codes
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* @version 09/10/2024 wuzheqiang Initial Version
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*/
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int32 Close();
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/**
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* @brief Send data to DataService
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* @param [in] pSendBuf buffer to send
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* @param [in] nLenBuf buffer length
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* @return Successfully returned 0, other returned error codes
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* @version 09/10/2024 wuzheqiang Initial Version
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*/
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int32 SendData(const char *pSendBuf, int32 nLenBuf);
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/**
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* @brief Recv data to DataService
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* @param [in] pSendBuf buffer to recv
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* @param [in] nLenBuf received length
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* @return Successfully returned 0, other returned error codes
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* @version 09/10/2024 wuzheqiang Initial Version
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*/
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int32 RecvData(std::shared_ptr<char> &pRecvBuf, int32 &pBufLen);
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/**
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* @brief get connection status
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* @return true if connected else false
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* @version 2024/10/09 wuzheqiang Initial Version
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*/
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bool GetConnectStatus() const;
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/**
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* @brief stop read thread and close connection
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* @version 2024/10/18 wuzheqiang Initial Version
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*/
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void Stop();
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/**
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* @brief set connected callback, for automatic register async read callback
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* @version 2024/10/09 wuzheqiang Initial Version
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*/
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void SetConnectedCallback(const std::function<void(std::shared_ptr<DrSdkTransport>)> &pConnectedCallback);
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SDKRMStatus GetRmStatus() const
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{
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return m_RmStatus;
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}
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bool GetAvailable() const
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{
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return m_bAvailable.load();
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}
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const std::string &GetServiceName() const
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{
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return m_sServiceName;
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}
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private:
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/**
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* @brief start connect to dataseDataServicervice
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* @version 2024/09/23 wuzheqiang Initial Version
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*/
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void StartConnect();
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/**
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* @brief after connected, start read data
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* @version 2024/09/23 wuzheqiang Initial Version
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*/
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void HandleConnect(const boost::system::error_code error);
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/**
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* @brief start read data
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* @version 2024/09/23 wuzheqiang Initial Version
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*/
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void StartRead();
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/**
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* @brief read data head
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* @param [in] error error code
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* @param [in] bytes_transferred readed data length
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* @version 2024/09/23 wuzheqiang Initial Version
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*/
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void HandleReadHead(const boost::system::error_code &error, size_t bytes_transferred);
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/**
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* @brief read data body
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* @param [in] error error code
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* @param [in] bytes_transferred readed data length
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* @version 2024/09/23 wuzheqiang Initial Version
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*/
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void HandleReadBody(const boost::system::error_code &error, size_t bytes_transferred);
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/**
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* @brief Handle send data result
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* @param [in] error error code
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* @param [in] bytes_transferred sent data length
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* @version 2024/09/23 wuzheqiang Initial Version
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*/
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void HandleSend(const boost::system::error_code &error, size_t bytes_transferred);
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void SendInternal();
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/**
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* @brief Start the reconnection process
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* @version 2024/09/23 wuzheqiang Initial Version
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*/
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void StartReconnect();
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/**
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* @brief Handle reconnection result
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* @version 2024/09/23 wuzheqiang Initial Version
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*/
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void HandleReconnect(const boost::system::error_code &error);
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/**
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* @brief put data to queue
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* @version 2024/09/23 wuzheqiang Initial Version
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*/
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bool Enqueue(DataTuple &tData);
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/**
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* @brief get data to queue
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* @version 2024/09/23 wuzheqiang Initial Version
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*/
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bool Dequeue(DataTuple &tData);
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/**
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* @brief deal heart beat
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* @version 2025/02/18 wuzheqiang Initial Version
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*/
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void DealHeartBeat(const DataTuple &tData);
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/**
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* @brief check heart beat timeout
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* @version 2025/02/18 wuzheqiang Initial Version
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*/
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void CheckHeartBeatTimeOut(const boost::system::error_code &error);
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private:
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DRSdkConnectParam m_tDRSdkConnectParam;
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std::string m_sServiceName = "main"; // for log; redundancy [bak]
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std::string m_sServerIp = "";
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std::string m_sServerPort = "";
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boost::asio::io_service m_IoService; // 使用 io_service
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std::unique_ptr<boost::asio::ip::tcp::socket> m_pSocket = nullptr;
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boost::asio::ip::tcp::resolver m_tResolver;
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std::atomic_bool m_bConnected = {false};
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boost::asio::deadline_timer m_HeartBeatTimer; // Timer for heartbeat
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boost::asio::deadline_timer m_ReconnectTimer; // Timer for delayed reconnection
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boost::asio::deadline_timer m_TimeoutTimer; // Timer for connect timeout
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std::function<void(std::shared_ptr<DrSdkTransport>)> m_pConnectedCallback = nullptr; // Callback when connected
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std::shared_ptr<char> m_RecvBufHead = nullptr;
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// std::shared_ptr<char[]> m_RecvBufHead = nullptr;
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// std::shared_ptr<char[]> m_RecvBufBody = nullptr;
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std::vector<char> m_RecvBufBody = {};
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size_t m_RecvBufBodyLen = 0;
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std::queue<DataTuple> m_RecvQueue; // recv socket buf and send data to drsdk_manager
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std::mutex m_Mutex;
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std::condition_variable m_Cv;
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std::atomic_bool m_bStop = {false};
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uint64 m_nLastTransportTimeMs = 0; // updated when conncet/send/recv
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// uint64 m_nLastHeartBeatTimeMs = 0; // last received heart beat time
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std::chrono::steady_clock::time_point m_nLastHeartBeatTimeMs =
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std::chrono::steady_clock::now(); // last received heart beat time
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SDKRMStatus m_RmStatus = SDKRMStatus::SDKRM_STATUS_INACTIVE;
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std::atomic_bool m_bAvailable = {false}; // transport is available ,for rm_status and connect timeout
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std::atomic_bool m_bSendFlag = {false}; // sending flag
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std::queue<DataTupleSend> m_SendQueue; // for send data to io_service
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std::mutex m_SendQueueMutex;
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};
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} // namespace dsfapi
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#endif
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