bool
LoggerImpl::LoggerClearFreeSpace(const NMEA_INFO &gps_info)
{
bool found = true;
unsigned long kbfree=0;
TCHAR pathname[MAX_PATH];
TCHAR subpathname[MAX_PATH];
int numtries = 0;
LocalPath(pathname);
#ifdef GNAV
LocalPath(subpathname,TEXT("logs"));
#else
LocalPath(subpathname);
#endif
#ifdef DEBUG_IGCFILENAME
bool retval;
retval = LogFileIsOlder(testtext1,
testtext2);
retval = LogFileIsOlder(testtext1,
testtext3);
retval = LogFileIsOlder(testtext4,
testtext5);
retval = LogFileIsOlder(testtext6,
testtext7);
#endif
while (found && ((kbfree = FindFreeSpace(pathname))<LOGGER_MINFREESTORAGE)
&& (numtries++ <100)) {
/* JMW asking for deleting old files is disabled now --- system
automatically deletes old files as required
*/
// search for IGC files, and delete the oldest one
found = DeleteOldIGCFile(gps_info, pathname);
if (!found) {
found = DeleteOldIGCFile(gps_info, subpathname);
}
}
if (kbfree>=LOGGER_MINFREESTORAGE) {
StartupStore(TEXT("LoggerFreeSpace returned: true\r\n"));
return true;
} else {
StartupStore(TEXT("LoggerFreeSpace returned: false\r\n"));
return false;
}
}
bool LoggerClearFreeSpace(void) {
bool found = true;
unsigned long kbfree=0;
TCHAR pathname[MAX_PATH+1];
TCHAR subpathname[MAX_PATH+1];
int numtries = 0;
LocalPath(pathname);
LocalPath(subpathname,TEXT(LKD_LOGS));
#ifdef DEBUG_IGCFILENAME
bool retval;
retval = LogFileIsOlder(testtext1,
testtext2);
retval = LogFileIsOlder(testtext1,
testtext3);
retval = LogFileIsOlder(testtext4,
testtext5);
retval = LogFileIsOlder(testtext6,
testtext7);
#endif
while (found && ((kbfree = FindFreeSpace(pathname))<LOGGER_MINFREESTORAGE)
&& (numtries++ <100)) {
/* JMW asking for deleting old files is disabled now --- system
automatically deletes old files as required
*/
// search for IGC files, and delete the oldest one
found = DeleteOldIGCFile(pathname);
if (!found) {
found = DeleteOldIGCFile(subpathname);
}
}
if (kbfree>=LOGGER_MINFREESTORAGE) {
#if TESTBENCH
StartupStore(TEXT("... LoggerFreeSpace returned: true%s"),NEWLINE);
#endif
return true;
} else {
StartupStore(TEXT("--- LoggerFreeSpace returned: false%s"),NEWLINE);
return false;
}
}
bool DeleteOldIGCFile(const NMEA_INFO &gps_info,
TCHAR *pathname) {
HANDLE hFind; // file handle
WIN32_FIND_DATA FindFileData;
TCHAR oldestname[MAX_PATH];
TCHAR searchpath[MAX_PATH];
TCHAR fullname[MAX_PATH];
_stprintf(searchpath, TEXT("%s*"),pathname);
hFind = FindFirstFile(searchpath, &FindFileData); // find the first file
if(hFind == INVALID_HANDLE_VALUE) {
return false;
}
if(!(FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
if (MatchesExtension(FindFileData.cFileName, TEXT(".igc")) ||
MatchesExtension(FindFileData.cFileName, TEXT(".IGC"))) {
// do something...
_tcscpy(oldestname, FindFileData.cFileName);
} else {
return false;
}
}
bool bSearch = true;
while(bSearch) { // until we finds an entry
if(FindNextFile(hFind,&FindFileData)) {
if(!(FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
(MatchesExtension(FindFileData.cFileName, TEXT(".igc")) ||
(MatchesExtension(FindFileData.cFileName, TEXT(".IGC"))))) {
if (LogFileIsOlder(gps_info,oldestname,FindFileData.cFileName)) {
_tcscpy(oldestname, FindFileData.cFileName);
// we have a new oldest name
}
}
} else {
bSearch = false;
}
}
FindClose(hFind); // closing file handle
// now, delete the file...
_stprintf(fullname, TEXT("%s%s"),pathname,oldestname);
DeleteFile(fullname);
return true; // did delete one
}
