new attorney for ReadCommitIF
This commit is contained in:
@ -29,98 +29,99 @@
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* @author Bastian Baetz
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* @ingroup data_pool
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*/
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class PoolDataSetBase: public PoolDataSetIF,
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public SerializeIF,
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public HasReturnvaluesIF {
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class PoolDataSetBase:
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public PoolDataSetIF,
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public SerializeIF,
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public HasReturnvaluesIF {
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public:
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/**
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* @brief Creates an empty dataset. Use registerVariable or
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* supply a pointer to this dataset to PoolVariable
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* initializations to register pool variables.
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*/
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PoolDataSetBase(PoolVariableIF** registeredVariablesArray, const size_t maxFillCount);
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/**
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* @brief Creates an empty dataset. Use registerVariable or
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* supply a pointer to this dataset to PoolVariable
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* initializations to register pool variables.
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*/
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PoolDataSetBase(PoolVariableIF** registeredVariablesArray, const size_t maxFillCount);
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/* Forbidden for now */
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PoolDataSetBase(const PoolDataSetBase& otherSet) = delete;
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const PoolDataSetBase& operator=(const PoolDataSetBase& otherSet) = delete;
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/* Forbidden for now */
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PoolDataSetBase(const PoolDataSetBase& otherSet) = delete;
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const PoolDataSetBase& operator=(const PoolDataSetBase& otherSet) = delete;
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virtual~ PoolDataSetBase();
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virtual~ PoolDataSetBase();
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/**
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* @brief The read call initializes reading out all registered variables.
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* It is mandatory to call commit after every read call!
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* @details
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* It iterates through the list of registered variables and calls all read()
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* functions of the registered pool variables (which read out their values
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* from the data pool) which are not write-only.
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* In case of an error (e.g. a wrong data type, or an invalid data pool id),
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* the operation is aborted and @c INVALID_PARAMETER_DEFINITION returned.
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*
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* The data pool is locked during the whole read operation and
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* freed afterwards. It is mandatory to call commit after a read call,
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* even if the read operation is not successful!
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* @return
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* - @c RETURN_OK if all variables were read successfully.
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* - @c INVALID_PARAMETER_DEFINITION if a pool entry does not exist or there
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* is a type conflict.
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* - @c SET_WAS_ALREADY_READ if read() is called twice without calling
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* commit() in between
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*/
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virtual ReturnValue_t read(MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING,
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uint32_t lockTimeout = 20) override;
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/**
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* @brief The commit call initializes writing back the registered variables.
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* @details
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* It iterates through the list of registered variables and calls the
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* commit() method of the remaining registered variables (which write back
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* their values to the pool).
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*
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* The data pool is locked during the whole commit operation and
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* freed afterwards. The state changes to "was committed" after this operation.
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*
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* If the set does contain at least one variable which is not write-only
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* commit() can only be called after read(). If the set only contains
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* variables which are write only, commit() can be called without a
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* preceding read() call. Every read call must be followed by a commit call!
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* @return - @c RETURN_OK if all variables were read successfully.
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* - @c COMMITING_WITHOUT_READING if set was not read yet and
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* contains non write-only variables
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*/
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virtual ReturnValue_t commit(MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING,
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uint32_t lockTimeout = 20) override;
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/**
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* @brief The read call initializes reading out all registered variables.
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* It is mandatory to call commit after every read call!
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* @details
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* It iterates through the list of registered variables and calls all read()
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* functions of the registered pool variables (which read out their values
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* from the data pool) which are not write-only.
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* In case of an error (e.g. a wrong data type, or an invalid data pool id),
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* the operation is aborted and @c INVALID_PARAMETER_DEFINITION returned.
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*
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* The data pool is locked during the whole read operation and
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* freed afterwards. It is mandatory to call commit after a read call,
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* even if the read operation is not successful!
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* @return
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* - @c RETURN_OK if all variables were read successfully.
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* - @c INVALID_PARAMETER_DEFINITION if a pool entry does not exist or there
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* is a type conflict.
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* - @c SET_WAS_ALREADY_READ if read() is called twice without calling
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* commit() in between
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*/
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virtual ReturnValue_t read(MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING,
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uint32_t lockTimeout = 20) override;
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/**
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* @brief The commit call initializes writing back the registered variables.
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* @details
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* It iterates through the list of registered variables and calls the
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* commit() method of the remaining registered variables (which write back
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* their values to the pool).
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*
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* The data pool is locked during the whole commit operation and
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* freed afterwards. The state changes to "was committed" after this operation.
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*
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* If the set does contain at least one variable which is not write-only
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* commit() can only be called after read(). If the set only contains
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* variables which are write only, commit() can be called without a
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* preceding read() call. Every read call must be followed by a commit call!
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* @return - @c RETURN_OK if all variables were read successfully.
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* - @c COMMITING_WITHOUT_READING if set was not read yet and
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* contains non write-only variables
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*/
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virtual ReturnValue_t commit(MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING,
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uint32_t lockTimeout = 20) override;
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/**
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* Register the passed pool variable instance into the data set.
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* @param variable
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* @return
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*/
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virtual ReturnValue_t registerVariable( PoolVariableIF* variable) override;
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/**
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* Register the passed pool variable instance into the data set.
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* @param variable
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* @return
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*/
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virtual ReturnValue_t registerVariable( PoolVariableIF* variable) override;
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/**
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* Provides the means to lock the underlying data structure to ensure
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* thread-safety. Default implementation is empty
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* @return Always returns -@c RETURN_OK
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*/
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virtual ReturnValue_t lockDataPool(
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MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING,
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uint32_t timeoutMs = 20) override;
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/**
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* Provides the means to unlock the underlying data structure to ensure
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* thread-safety. Default implementation is empty
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* @return Always returns -@c RETURN_OK
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*/
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virtual ReturnValue_t unlockDataPool() override;
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/**
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* Provides the means to lock the underlying data structure to ensure
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* thread-safety. Default implementation is empty
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* @return Always returns -@c RETURN_OK
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*/
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virtual ReturnValue_t lockDataPool(
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MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING,
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uint32_t timeoutMs = 20) override;
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/**
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* Provides the means to unlock the underlying data structure to ensure
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* thread-safety. Default implementation is empty
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* @return Always returns -@c RETURN_OK
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*/
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virtual ReturnValue_t unlockDataPool() override;
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virtual uint16_t getFillCount() const;
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virtual uint16_t getFillCount() const;
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/* SerializeIF implementations */
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virtual ReturnValue_t serialize(uint8_t** buffer, size_t* size,
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const size_t maxSize,
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SerializeIF::Endianness streamEndianness) const override;
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virtual size_t getSerializedSize() const override;
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virtual ReturnValue_t deSerialize(const uint8_t** buffer, size_t* size,
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SerializeIF::Endianness streamEndianness) override;
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/* SerializeIF implementations */
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virtual ReturnValue_t serialize(uint8_t** buffer, size_t* size,
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const size_t maxSize,
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SerializeIF::Endianness streamEndianness) const override;
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virtual size_t getSerializedSize() const override;
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virtual ReturnValue_t deSerialize(const uint8_t** buffer, size_t* size,
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SerializeIF::Endianness streamEndianness) override;
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/**
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* Can be used to individually protect every read and commit call.
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@ -132,48 +133,48 @@ public:
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uint32_t mutexTimeout = 20);
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protected:
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/**
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* @brief The fill_count attribute ensures that the variables
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* register in the correct array position and that the maximum
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* number of variables is not exceeded.
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*/
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uint16_t fillCount = 0;
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/**
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* States of the seet.
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*/
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enum class States {
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STATE_SET_UNINITIALISED, //!< DATA_SET_UNINITIALISED
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STATE_SET_WAS_READ //!< DATA_SET_WAS_READ
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};
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/**
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* @brief state manages the internal state of the data set,
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* which is important e.g. for the behavior on destruction.
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*/
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States state = States::STATE_SET_UNINITIALISED;
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/**
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* @brief The fill_count attribute ensures that the variables
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* register in the correct array position and that the maximum
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* number of variables is not exceeded.
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*/
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uint16_t fillCount = 0;
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/**
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* States of the seet.
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*/
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enum class States {
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STATE_SET_UNINITIALISED, //!< DATA_SET_UNINITIALISED
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STATE_SET_WAS_READ //!< DATA_SET_WAS_READ
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};
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/**
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* @brief state manages the internal state of the data set,
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* which is important e.g. for the behavior on destruction.
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*/
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States state = States::STATE_SET_UNINITIALISED;
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/**
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* @brief This array represents all pool variables registered in this set.
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* Child classes can use a static or dynamic container to create
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* an array of registered variables and assign the first entry here.
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*/
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PoolVariableIF** registeredVariables = nullptr;
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const size_t maxFillCount = 0;
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/**
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* @brief This array represents all pool variables registered in this set.
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* Child classes can use a static or dynamic container to create
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* an array of registered variables and assign the first entry here.
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*/
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PoolVariableIF** registeredVariables = nullptr;
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const size_t maxFillCount = 0;
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void setContainer(PoolVariableIF** variablesContainer);
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PoolVariableIF** getContainer() const;
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void setContainer(PoolVariableIF** variablesContainer);
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PoolVariableIF** getContainer() const;
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private:
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bool protectEveryReadCommitCall = false;
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MutexIF::TimeoutType timeoutTypeForSingleVars = MutexIF::TimeoutType::WAITING;
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uint32_t mutexTimeoutForSingleVars = 20;
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bool protectEveryReadCommitCall = false;
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MutexIF::TimeoutType timeoutTypeForSingleVars = MutexIF::TimeoutType::WAITING;
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uint32_t mutexTimeoutForSingleVars = 20;
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ReturnValue_t readVariable(uint16_t count);
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void handleAlreadyReadDatasetCommit(
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MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING,
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uint32_t timeoutMs = 20);
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ReturnValue_t handleUnreadDatasetCommit(
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MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING,
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uint32_t timeoutMs = 20);
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ReturnValue_t readVariable(uint16_t count);
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void handleAlreadyReadDatasetCommit(
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MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING,
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uint32_t timeoutMs = 20);
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ReturnValue_t handleUnreadDatasetCommit(
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MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING,
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uint32_t timeoutMs = 20);
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};
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#endif /* FSFW_DATAPOOL_POOLDATASETBASE_H_ */
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