fsfw/src/fsfw_hal/linux/UnixFileGuard.cpp

30 lines
999 B
C++

#include "fsfw_hal/linux/UnixFileGuard.h"
#include <cerrno>
#include <cstring>
#include "fsfw/FSFW.h"
#include "fsfw/serviceinterface.h"
UnixFileGuard::UnixFileGuard(const std::string& device, int& fileDescriptor, int flags,
std::string diagnosticPrefix)
: fdRef(fileDescriptor) {
fileDescriptor = open(device.c_str(), flags);
if (fileDescriptor < 0) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << diagnosticPrefix << ": Opening device failed with error code " << errno << ": "
<< strerror(errno) << std::endl;
#else
sif::printWarning("%s: Opening device failed with error code %d: %s\n", diagnosticPrefix, errno,
strerror(errno));
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
openStatus = OPEN_FILE_FAILED;
}
}
UnixFileGuard::~UnixFileGuard() { close(fdRef); }
ReturnValue_t UnixFileGuard::getOpenResult() const { return openStatus; }