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https://github.com/eclipse-openvehicle-api/openvehicle-api.git
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192
sdv_services/can_communication_sim/can_com_sim.cpp
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192
sdv_services/can_communication_sim/can_com_sim.cpp
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#include "can_com_sim.h"
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#include <support/toml.h>
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#include "../../global/ascformat/ascreader.cpp"
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#include "../../global/ascformat/ascwriter.cpp"
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CCANSimulation::CCANSimulation()
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{}
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CCANSimulation::~CCANSimulation()
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{}
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void CCANSimulation::Initialize(const sdv::u8string& rssObjectConfig)
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{
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try
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{
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sdv::toml::CTOMLParser config(rssObjectConfig.c_str());
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auto nodeSource = config.GetDirect("Source");
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if (nodeSource.GetType() == sdv::toml::ENodeType::node_string)
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m_pathSource = nodeSource.GetValue();
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auto nodeTarget = config.GetDirect("Target");
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if (nodeTarget.GetType() == sdv::toml::ENodeType::node_string)
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m_pathTarget = nodeTarget.GetValue();
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if (m_pathSource.empty() && m_pathTarget.empty())
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{
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SDV_LOG(sdv::core::ELogSeverity::error,
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"At least the source or the target ASC files must be specified.");
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m_eStatus = sdv::EObjectStatus::initialization_failure;
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}
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else if (m_pathSource == m_pathTarget)
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{
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SDV_LOG(sdv::core::ELogSeverity::error,
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"Source and target ASC files '" + m_pathSource.generic_u8string() + "' cannot be the same.");
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m_eStatus = sdv::EObjectStatus::initialization_failure;
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}
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else if (std::filesystem::exists(m_pathTarget))
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{
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SDV_LOG(sdv::core::ELogSeverity::warning,
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"Target ASC file '" + m_pathSource.generic_u8string() + "' will be overwritten.");
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}
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else if (m_pathSource.empty() && m_pathTarget.empty())
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{
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SDV_LOG(sdv::core::ELogSeverity::error, "No ASC file configured for reading or writing.");
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m_eStatus = sdv::EObjectStatus::initialization_failure;
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}
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}
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catch (const sdv::toml::XTOMLParseException& e)
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{
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SDV_LOG(sdv::core::ELogSeverity::error, "Configuration could not be read: ", e.what());
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m_eStatus = sdv::EObjectStatus::initialization_failure;
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}
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catch (const std::runtime_error& e)
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{
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SDV_LOG(sdv::core::ELogSeverity::error, "Configuration could not be read: ", e.what());
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m_eStatus = sdv::EObjectStatus::initialization_failure;
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}
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if (m_eStatus == sdv::EObjectStatus::initialization_failure) return;
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// Initialize the ASC writer
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if (!m_pathTarget.empty())
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SDV_LOG(sdv::core::ELogSeverity::info,
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"CAN simulator uses ASC file '" + m_pathTarget.generic_u8string() + "' to record CAN data.");
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m_writer.StartTimer();
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// Initialize the ASC reader
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if (!m_pathSource.empty())
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SDV_LOG(sdv::core::ELogSeverity::info,
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"CAN simulator uses ASC file '" + m_pathSource.generic_u8string() + "' to playback CAN data.");
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if (!m_pathSource.empty() && !m_reader.Read(m_pathSource))
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{
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SDV_LOG(sdv::core::ELogSeverity::error,
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"Failed to read ASC file '" + m_pathSource.generic_u8string() + "' for CAN playback.");
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m_eStatus = sdv::EObjectStatus::initialization_failure;
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return;
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}
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// Update the status
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m_eStatus = sdv::EObjectStatus::initialized;
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}
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sdv::EObjectStatus CCANSimulation::GetStatus() const
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{
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return m_eStatus;
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}
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void CCANSimulation::SetOperationMode(sdv::EOperationMode eMode)
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{
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switch (eMode)
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{
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case sdv::EOperationMode::configuring:
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if (m_eStatus == sdv::EObjectStatus::running || m_eStatus == sdv::EObjectStatus::initialized)
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{
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m_eStatus = sdv::EObjectStatus::configuring;
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// Stop playback
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m_reader.StopPlayback();
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}
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break;
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case sdv::EOperationMode::running:
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if (m_eStatus == sdv::EObjectStatus::configuring || m_eStatus == sdv::EObjectStatus::initialized)
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{
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m_eStatus = sdv::EObjectStatus::running;
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// Start playback
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m_reader.StartPlayback([&](const asc::SCanMessage& rsMsg) { PlaybackFunc(rsMsg); });
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}
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break;
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default:
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break;
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}
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}
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void CCANSimulation::Shutdown()
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{
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m_eStatus = sdv::EObjectStatus::shutdown_in_progress;
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// Stop playback
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m_reader.StopPlayback();
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// Write the recording
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if (m_writer.HasSamples() && !m_pathTarget.empty())
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{
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if (!m_writer.Write(m_pathTarget))
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SDV_LOG(sdv::core::ELogSeverity::error,
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"Failed to write ASC file '" + m_pathTarget.generic_u8string() + "' with CAN recording.");
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}
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// Update the status
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m_eStatus = sdv::EObjectStatus::destruction_pending;
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}
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void CCANSimulation::RegisterReceiver(/*in*/ sdv::can::IReceive* pReceiver)
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{
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if (m_eStatus != sdv::EObjectStatus::configuring) return;
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if (!pReceiver) return;
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std::unique_lock<std::mutex> lock(m_mtxReceivers);
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m_setReceivers.insert(pReceiver);
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}
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void CCANSimulation::UnregisterReceiver(/*in*/ sdv::can::IReceive* pReceiver)
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{
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// NOTE: Normally the remove function should be called in the configuration mode. Since it doesn't give
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// feedback and the associated caller might delete any receiving function, allow the removal to take place even
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// when running.
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if (!pReceiver) return;
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std::unique_lock<std::mutex> lock(m_mtxReceivers);
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m_setReceivers.erase(pReceiver);
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}
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void CCANSimulation::Send(/*in*/ const sdv::can::SMessage& sMsg, /*in*/ uint32_t uiIfcIndex)
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{
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if (m_eStatus != sdv::EObjectStatus::running) return;
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asc::SCanMessage sAscCan{};
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sAscCan.uiChannel = uiIfcIndex + 1;
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sAscCan.uiId = sMsg.uiID;
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sAscCan.bExtended = sMsg.bExtended;
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sAscCan.bCanFd = sMsg.bCanFd;
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sAscCan.eDirection = asc::SCanMessage::EDirection::tx;
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sAscCan.uiLength = static_cast<uint32_t>(sMsg.seqData.length());
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std::copy_n(sMsg.seqData.begin(), sMsg.seqData.length(), std::begin(sAscCan.rguiData));
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m_writer.AddSample(sAscCan);
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}
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sdv::sequence<sdv::u8string> CCANSimulation::GetInterfaces() const
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{
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sdv::sequence<sdv::u8string> seqIfcNames;
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if (m_eStatus != sdv::EObjectStatus::running) return seqIfcNames;
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std::unique_lock<std::mutex> lock(m_mtxInterfaces);
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for (const auto& rprInterface : m_vecInterfaces)
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seqIfcNames.push_back(rprInterface.second);
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return seqIfcNames;
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}
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void CCANSimulation::PlaybackFunc(const asc::SCanMessage& rsMsg)
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{
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if (m_eStatus != sdv::EObjectStatus::running) return;
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// Create sdv CAN message
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sdv::can::SMessage sSdvCan{};
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sSdvCan.uiID = rsMsg.uiId;
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sSdvCan.bExtended = rsMsg.bExtended;
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sSdvCan.bCanFd = rsMsg.bCanFd;
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sSdvCan.seqData = sdv::sequence<uint8_t>(std::begin(rsMsg.rguiData), std::begin(rsMsg.rguiData) + rsMsg.uiLength);
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// Distribute the CAN message to all receivers
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std::unique_lock<std::mutex> lock(m_mtxReceivers);
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for (sdv::can::IReceive* pReceiver : m_setReceivers)
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pReceiver->Receive(sSdvCan, rsMsg.uiChannel - 1);
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}
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