fsfw/hal/src/fsfw_hal/linux/UnixFileGuard.cpp

37 lines
1.1 KiB
C++

#include "fsfw_hal/linux/UnixFileGuard.h"
#include <cerrno>
#include <cstring>
#include "fsfw/FSFW.h"
#include "fsfw/serviceinterface.h"
UnixFileGuard::UnixFileGuard(std::string device, int* fileDescriptor, int flags,
std::string diagnosticPrefix)
: fileDescriptor(fileDescriptor) {
if (fileDescriptor == nullptr) {
return;
}
*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() {
if (fileDescriptor != nullptr) {
close(*fileDescriptor);
}
}
ReturnValue_t UnixFileGuard::getOpenResult() const { return openStatus; }