115 lines
3.6 KiB
C++
115 lines
3.6 KiB
C++
#ifndef FRAMEWORK_HK_HOUSEKEEPINGHELPER_H_
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#define FRAMEWORK_HK_HOUSEKEEPINGHELPER_H_
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#include <framework/datapool/DataSetIF.h>
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#include <framework/objectmanager/SystemObjectIF.h>
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#include <framework/housekeeping/HasHkPoolParametersIF.h>
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#include <framework/ipc/MutexIF.h>
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#include <framework/housekeeping/HousekeepingMessage.h>
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#include <framework/datapool/PoolEntry.h>
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#include <framework/ipc/CommandMessage.h>
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#include <framework/ipc/MessageQueueIF.h>
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#include <framework/ipc/MutexHelper.h>
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#include <map>
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class HousekeepingManager {
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template<typename T>
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friend class LocalPoolVar;
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template<typename T, uint16_t vecSize>
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friend class LocalPoolVector;
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friend class LocalDataSet;
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public:
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static constexpr float MINIMAL_SAMPLING_FREQUENCY = 0.2;
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HousekeepingManager(HasHkPoolParametersIF* owner);
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virtual~ HousekeepingManager();
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// propably will just call respective local data set functions.
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void generateHousekeepingPacket(sid_t sid);
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ReturnValue_t handleHousekeepingMessage(CommandMessage* message);
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/**
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* This function is used to fill the local data pool map with pool
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* entries. It should only be called once by the pool owner.
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* @param localDataPoolMap
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* @return
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*/
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ReturnValue_t initializeHousekeepingPoolEntriesOnce();
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void setHkPacketQueue(MessageQueueIF* msgQueue);
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const HasHkPoolParametersIF* getOwner() const;
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ReturnValue_t printPoolEntry(lp_id_t localPoolId);
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private:
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//! This is the map holding the actual data. Should only be initialized
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//! once !
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bool mapInitialized = false;
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LocalDataPoolMap localDpMap;
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//! Every housekeeping data manager has a mutex to protect access
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//! to it's data pool.
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MutexIF * mutex = nullptr;
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//! The class which actually owns the manager (and its datapool).
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HasHkPoolParametersIF* owner = nullptr;
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//! Used for replies.
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//! (maybe we dont need this, the sender can be retrieved from command
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//! message..)
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MessageQueueIF* hkReplyQueue = nullptr;
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//! Used for HK packets, which are generated without requests.
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//! Maybe this will just be the TM funnel.
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MessageQueueIF* hkPacketQueue = nullptr;
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/**
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* Get the pointer to the mutex. Can be used to lock the data pool
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* eternally. Use with care and don't forget to unlock locked mutexes!
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* For now, only friend classes can accss this function.
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* @return
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*/
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MutexIF* getMutexHandle();
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/**
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* Read a variable by supplying its local pool ID and assign the pool
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* entry to the supplied PoolEntry pointer. The type of the pool entry
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* is deduced automatically. This call is not thread-safe!
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* For now, only friend classes like LocalPoolVar may access this
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* function.
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* @tparam T Type of the pool entry
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* @param localPoolId Pool ID of the variable to read
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* @param poolVar [out] Corresponding pool entry will be assigned to the
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* supplied pointer.
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* @return
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*/
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template <class T>
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ReturnValue_t fetchPoolEntry(lp_id_t localPoolId, PoolEntry<T> **poolEntry);
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void setMinimalSamplingFrequency(float frequencySeconds);
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};
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template<class T> inline
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ReturnValue_t HousekeepingManager::fetchPoolEntry(lp_id_t localPoolId,
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PoolEntry<T> **poolEntry) {
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auto poolIter = localDpMap.find(localPoolId);
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if (poolIter == localDpMap.end()) {
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sif::debug << "HousekeepingManager::fechPoolEntry:"
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" Pool entry not found." << std::endl;
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return HasHkPoolParametersIF::POOL_ENTRY_NOT_FOUND;
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}
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*poolEntry = dynamic_cast< PoolEntry<T>* >(poolIter->second);
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if(*poolEntry == nullptr) {
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sif::debug << "HousekeepingManager::fetchPoolEntry:"
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" Pool entry not found." << std::endl;
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return HasHkPoolParametersIF::POOL_ENTRY_TYPE_CONFLICT;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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#endif /* FRAMEWORK_HK_HOUSEKEEPINGHELPER_H_ */
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