fsfw/ipc/MutexGuard.h

61 lines
1.9 KiB
C++

#ifndef FRAMEWORK_IPC_MUTEXHELPER_H_
#define FRAMEWORK_IPC_MUTEXHELPER_H_
#include "MutexFactory.h"
#include "../serviceinterface/ServiceInterface.h"
class MutexGuard {
public:
MutexGuard(MutexIF* mutex, MutexIF::TimeoutType timeoutType =
MutexIF::TimeoutType::BLOCKING, uint32_t timeoutMs = 0):
internalMutex(mutex) {
if(mutex == nullptr) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "MutexHelper: Passed mutex is invalid!" << std::endl;
#else
sif::printError("MutexHelper: Passed mutex is invalid!\n");
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
return;
}
result = mutex->lockMutex(timeoutType,
timeoutMs);
#if FSFW_VERBOSE_LEVEL >= 1
if(result == MutexIF::MUTEX_TIMEOUT) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "MutexHelper: Lock of mutex failed with timeout of "
<< timeoutMs << " milliseconds!" << std::endl;
#else
sif::printError("MutexHelper: Lock of mutex failed with timeout of %lu milliseconds\n",
timeoutMs);
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
}
else if(result != HasReturnvaluesIF::RETURN_OK) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "MutexHelper: Lock of Mutex failed with code " << result << std::endl;
#else
sif::printError("MutexHelper: Lock of Mutex failed with code %d\n", result);
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
}
#else
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
}
ReturnValue_t getLockResult() const {
return result;
}
~MutexGuard() {
if(internalMutex != nullptr) {
internalMutex->unlockMutex();
}
}
private:
MutexIF* internalMutex;
ReturnValue_t result = HasReturnvaluesIF::RETURN_FAILED;
};
#endif /* FRAMEWORK_IPC_MUTEXHELPER_H_ */