Precommit (#1)

* first commit

* cleanup

sdv_services/data_dispatch_service/dispatchservice.cpp

@@ -0,0 +1,215 @@
+#include "dispatchservice.h"
+
+
+CDispatchService::CDispatchService()
+{
+    CreateDirectTransactionID();
+}
+
+sdv::IInterfaceAccess* CDispatchService::CreateTxTrigger(uint32_t uiCycleTime, uint32_t uiDelayTime, uint32_t uiBehaviorFlags,
+    sdv::IInterfaceAccess* pTriggerCallback)
+{
+    if (m_eObjectStatus != sdv::EObjectStatus::configuring) return nullptr;
+
+    // Check for parameter validity
+    if (!uiCycleTime && !(uiBehaviorFlags & static_cast<uint32_t>(sdv::core::ISignalTransmission::ETxTriggerBehavior::spontaneous)))
+        return nullptr;
+    if (!pTriggerCallback)
+        return nullptr;
+    sdv::core::ITxTriggerCallback* pCallback = pTriggerCallback->GetInterface<sdv::core::ITxTriggerCallback>();
+    if (!pCallback) return nullptr;
+
+    std::unique_ptr<CTrigger> ptrTrigger = std::make_unique<CTrigger>(*this, uiCycleTime, uiDelayTime, uiBehaviorFlags, pCallback);
+    // Ignore cppcheck warning; normally the returned pointer should always have a value at this stage (otherwise an
+    // exception was triggered).
+    // cppcheck-suppress knownConditionTrueFalse
+    if (!ptrTrigger)
+        return nullptr;
+    CTrigger* pObject = ptrTrigger.get();
+    // Ignore cppcheck warning; normally the returned pointer should always have a value at this stage (otherwise an
+    // exception was triggered).
+    // cppcheck-suppress knownConditionTrueFalse
+    if (!pObject)
+        return nullptr;
+    if (!ptrTrigger->IsValid()) return nullptr;
+
+    std::unique_lock<std::mutex> lock(m_mtxTriggers);
+    return m_mapTriggers.emplace(pObject, std::move(ptrTrigger)).second ? pObject : nullptr;
+}
+
+sdv::IInterfaceAccess* CDispatchService::RegisterTxSignal(/*in*/ const sdv::u8string& ssSignalName, /*in*/ sdv::any_t anyDefVal)
+{
+    if (m_eObjectStatus != sdv::EObjectStatus::configuring) return nullptr;
+
+    std::unique_lock<std::mutex> lock(m_mtxSignals);
+
+    auto prSignal = m_mapTxSignals.try_emplace(ssSignalName, *this, ssSignalName, sdv::core::ESignalDirection::sigdir_tx, anyDefVal);
+    return prSignal.first->second.CreateConsumer();
+}
+
+sdv::IInterfaceAccess* CDispatchService::RegisterRxSignal(/*in*/ const sdv::u8string& ssSignalName)
+{
+    if (m_eObjectStatus != sdv::EObjectStatus::configuring) return nullptr;
+
+    std::unique_lock<std::mutex> lock(m_mtxSignals);
+    auto prSignal = m_mapRxSignals.try_emplace(ssSignalName, *this, ssSignalName, sdv::core::ESignalDirection::sigdir_rx);
+    return prSignal.first->second.CreateProvider();
+}
+
+sdv::IInterfaceAccess* CDispatchService::RequestSignalPublisher(/*in*/ const sdv::u8string& ssSignalName)
+{
+    if (m_eObjectStatus != sdv::EObjectStatus::configuring) return nullptr;
+
+    std::unique_lock<std::mutex> lock(m_mtxSignals);
+    auto itSignal = m_mapTxSignals.find(ssSignalName);
+    if (itSignal == m_mapTxSignals.end()) return nullptr;
+    if (itSignal->second.GetDirection() != sdv::core::ESignalDirection::sigdir_tx)
+        return nullptr;
+    return itSignal->second.CreateProvider();
+}
+
+sdv::IInterfaceAccess* CDispatchService::AddSignalSubscription(/*in*/ const sdv::u8string& ssSignalName, /*in*/ IInterfaceAccess* pSubscriber)
+{
+    if (m_eObjectStatus != sdv::EObjectStatus::configuring) return nullptr;
+
+    std::unique_lock<std::mutex> lock(m_mtxSignals);
+    auto itSignal = m_mapRxSignals.find(ssSignalName);
+    if (itSignal == m_mapRxSignals.end()) return 0;
+    if (itSignal->second.GetDirection() != sdv::core::ESignalDirection::sigdir_rx)
+        return 0ull;
+    return itSignal->second.CreateConsumer(pSubscriber);
+}
+
+sdv::sequence<sdv::core::SSignalRegistration> CDispatchService::GetRegisteredSignals() const
+{
+    sdv::sequence<sdv::core::SSignalRegistration> seqRegistrations;
+    std::unique_lock<std::mutex> lock(m_mtxSignals);
+    for (const auto& prSignal : m_mapRxSignals)
+        seqRegistrations.push_back({prSignal.first, prSignal.second.GetDirection()});
+    for (const auto& prSignal : m_mapTxSignals)
+        seqRegistrations.push_back({prSignal.first, prSignal.second.GetDirection()});
+    return seqRegistrations;
+}
+
+sdv::IInterfaceAccess* CDispatchService::CreateTransaction()
+{
+    // NOTE: Transactions can take place at any time (not only when running). DO not restrict transactions to any
+    // operation mode.
+
+    std::unique_lock<std::mutex> lock(m_mtxTransactions);
+    auto itTransaction = m_lstTransactions.emplace(m_lstTransactions.end(), *this);
+    if (itTransaction == m_lstTransactions.end()) return nullptr;
+    itTransaction->SetIterator(itTransaction);
+    return &(*itTransaction);
+}
+
+uint64_t CDispatchService::GetNextTransactionID()
+{
+    return m_uiTransactionCnt++;
+}
+
+void CDispatchService::CreateDirectTransactionID()
+{
+    m_uiDirectTransactionID = GetNextTransactionID();
+}
+
+uint64_t CDispatchService::GetDirectTransactionID() const
+{
+    return m_uiDirectTransactionID;
+}
+
+void CDispatchService::Initialize(const sdv::u8string& /*ssObjectConfig*/)
+{
+    m_eObjectStatus = sdv::EObjectStatus::initializing;
+    m_scheduler.Start();
+    m_eObjectStatus = sdv::EObjectStatus::initialized;
+}
+
+sdv::EObjectStatus CDispatchService::GetStatus() const
+{
+    return m_eObjectStatus;
+}
+
+void CDispatchService::SetOperationMode(sdv::EOperationMode eMode)
+{
+    switch (eMode)
+    {
+    case sdv::EOperationMode::configuring:
+        if (m_eObjectStatus == sdv::EObjectStatus::running || m_eObjectStatus == sdv::EObjectStatus::initialized)
+            m_eObjectStatus = sdv::EObjectStatus::configuring;
+        break;
+    case sdv::EOperationMode::running:
+        if (m_eObjectStatus == sdv::EObjectStatus::configuring || m_eObjectStatus == sdv::EObjectStatus::initialized)
+            m_eObjectStatus = sdv::EObjectStatus::running;
+        break;
+    default:
+        break;
+    }
+}
+
+void CDispatchService::Shutdown()
+{
+    m_eObjectStatus = sdv::EObjectStatus::shutdown_in_progress;
+
+    m_scheduler.Stop();
+
+    m_eObjectStatus = sdv::EObjectStatus::initialization_pending;
+}
+
+void CDispatchService::UnregisterSignal(/*in*/ const sdv::u8string& ssSignalName, sdv::core::ESignalDirection eDirection)
+{
+    // NOTE: Normally the remove function should be called in the configuration mode. Since it doesn't give
+    // feedback and the associated caller might delete any receiving function, allow the removal to take place even
+    // when running.
+
+    std::unique_lock<std::mutex> lock(m_mtxSignals);
+
+    // Remove the signal
+    if (eDirection == sdv::core::ESignalDirection::sigdir_rx)
+        m_mapRxSignals.erase(ssSignalName);
+    else
+        m_mapTxSignals.erase(ssSignalName);
+}
+
+CSignal* CDispatchService::FindSignal(const sdv::u8string& rssSignalName, sdv::core::ESignalDirection eDirection)
+{
+    std::unique_lock<std::mutex> lock(m_mtxSignals);
+
+    if (eDirection == sdv::core::ESignalDirection::sigdir_rx)
+    {
+        auto itSignal = m_mapRxSignals.find(rssSignalName);
+        return itSignal == m_mapRxSignals.end() ? nullptr : &itSignal->second;
+    } else
+    {
+        auto itSignal = m_mapTxSignals.find(rssSignalName);
+        return itSignal == m_mapTxSignals.end() ? nullptr : &itSignal->second;
+    }
+}
+
+void CDispatchService::FinishTransaction(const CTransaction* pTransaction)
+{
+    // NOTE: Transactions can take place at any time (not only when running). DO not restrict transactions to any
+    // operation mode.
+
+    std::unique_lock<std::mutex> lock(m_mtxTransactions);
+
+    // Delete the transaction
+    auto itTransaction = pTransaction->GetIterator();
+    m_lstTransactions.erase(itTransaction);
+}
+
+CScheduler& CDispatchService::GetScheduler()
+{
+    return m_scheduler;
+}
+
+void CDispatchService::RemoveTxTrigger(CTrigger* pTrigger)
+{
+    // NOTE: Normally the remove function should be called in the configuration mode. Since it doesn't give
+    // feedback and the associated caller might delete any receiving function, allow the removal to take place even
+    // when running.
+
+    std::unique_lock<std::mutex> lock(m_mtxTriggers);
+    m_scheduler.RemoveFromSchedule(pTrigger);
+    m_mapTriggers.erase(pTrigger);
+}