// checks if a video dir is 'valid'
bool cVideoDirectory::IsVidDirOK(int nVid, int *freeMB)
{
char *dn;
int fMB;
if (nVid >= Setup.nVidPrefer)
return false;
if (Setup.VidPreferSize[ nVid ] == -1)
return false;
dn = GetVidPath(nVid);
if (dn == NULL)
return false;
fMB = FreeDiskSpaceMB(dn, NULL);
if (freeMB != NULL)
*freeMB = fMB;
free(dn);
if (Setup.VidPreferSize[ nVid ] >= fMB)
return false;
return true;
}
bool cLiveRecorder::RunningLowOnDiskSpace(void) {
if(!BufferDirectoryMinFree) return cRecorder::RunningLowOnDiskSpace();
if (time(NULL) > lastDiskSpaceCheck + DISKCHECKINTERVAL) {
int Free = FreeDiskSpaceMB(fileName->Name());
lastDiskSpaceCheck = time(NULL);
if (Free < BufferDirectoryMinFree)
return true;
} // if
return false;
} // cLiveRecorder::RunningLowOnDiskSpace
bool cFileWriter::RunningLowOnDiskSpace(void)
{
if (time(NULL) > lastDiskSpaceCheck + DISKCHECKINTERVAL) {
int Free = FreeDiskSpaceMB(fileName->Name());
lastDiskSpaceCheck = time(NULL);
if (Free < MINFREEDISKSPACE) {
dsyslog("low disk space (%d MB, limit is %d MB)", Free, MINFREEDISKSPACE);
return true;
}
}
return false;
}
int cVideoDirectory::FreeMB(int *UsedMB)
{
return FreeDiskSpaceMB(name ? name : VideoDirectory, UsedMB);
}
// calculates which video dir to use
bool cVideoDirectory::GetPreferedVideoDir(void)
{
cVideoDirectory d;
int nDirs = 1,
vidUse = Setup.nVidPrefer;
int i, top, topFree, x;
if (name == NULL)
return(false);
// count available video dirs
while (d.Next() == true)
nDirs++;
if (vidUse > nDirs)
vidUse = nDirs;
// check for prefered video dir
for (i = 0, top = -1, topFree = 0; i < vidUse; i++) {
if (IsVidDirOK(i, &x) == true) {
if (top == -1) {
// nothing set yet, use first 'ok' dir
top = i;
topFree = x;
}
else {
// check if we got a higher priority
if (Setup.VidPreferPrio[ i ] >= Setup.VidPreferPrio[ top ]) {
top = i;
topFree = x;
}
// check if we got same priority but more space
else if (Setup.VidPreferPrio[ i ] == Setup.VidPreferPrio[ top ] && x >= topFree) {
top = i;
topFree = x;
}
}
}
}
if (top == -1) {
isyslog("VidPrefer: no prefered video directory could be determined!");
// something went wrong here...
// let VDR determine the video directory
int MaxFree = FreeMB();
while (Next()) {
int Free = FreeDiskSpaceMB(Name());
if (Free > MaxFree) {
Store();
MaxFree = Free;
}
}
}
else {
isyslog("VidPrefer: prefered video directory '%d' set.", top);
if (stored != NULL)
free(stored);
stored = GetVidPath(top);
}
return true;
}
cUnbufferedFile *OpenVideoFile(const char *FileName, int Flags)
{
const char *ActualFileName = FileName;
// Incoming name must be in base video directory:
#ifdef USE_LIVEBUFFER
if ((strstr(FileName, VideoDirectory ) != FileName) &&
(strstr(FileName, BufferDirectory) != FileName)) {
#else
if (strstr(FileName, VideoDirectory) != FileName) {
#endif /*USE_LIVEBUFFER*/
esyslog("ERROR: %s not in %s", FileName, VideoDirectory);
errno = ENOENT; // must set 'errno' - any ideas for a better value?
return NULL;
}
// Are we going to create a new file?
if ((Flags & O_CREAT) != 0) {
cVideoDirectory Dir;
if (Dir.IsDistributed()) {
#ifdef USE_DVLVIDPREFER
if (Setup.UseVidPrefer == 0) {
#endif /* DVLVIDPREFER */
// Find the directory with the most free space:
int MaxFree = Dir.FreeMB();
while (Dir.Next()) {
int Free = FreeDiskSpaceMB(Dir.Name());
if (Free > MaxFree) {
Dir.Store();
MaxFree = Free;
}
}
#ifdef USE_DVLVIDPREFER
}
else Dir.GetPreferedVideoDir();
#endif /* DVLVIDPREFER */
if (Dir.Stored()) {
ActualFileName = Dir.Adjust(FileName);
if (!MakeDirs(ActualFileName, false))
return NULL; // errno has been set by MakeDirs()
#ifdef USE_DVLVIDPREFER
if (strcmp(ActualFileName, FileName) != 0) {
#endif /* DVLVIDPREFER */
if (symlink(ActualFileName, FileName) < 0) {
LOG_ERROR_STR(FileName);
return NULL;
}
#ifdef USE_DVLVIDPREFER
}
#endif /* DVLVIDPREFER */
ActualFileName = strdup(ActualFileName); // must survive Dir!
}
}
}
cUnbufferedFile *File = cUnbufferedFile::Create(ActualFileName, Flags, DEFFILEMODE);
if (ActualFileName != FileName)
free((char *)ActualFileName);
return File;
}
int CloseVideoFile(cUnbufferedFile *File)
{
int Result = File->Close();
delete File;
return Result;
}
int cVideoDirectory::FreeMB(int *UsedMB)
{
return FreeDiskSpaceMB(Name(), UsedMB);
}