static void Get(cDBusObject *Object, GVariant *Parameters, GDBusMethodInvocation *Invocation)
{
// only update recordings list if empty
// so we don't mess around with the index values returned by List
if (recordings.Count() == 0)
recordings.Update(true);
cRecording *recording = NULL;
GVariant *first = g_variant_get_child_value(Parameters, 0);
GVariant *refValue = first;
if (g_variant_is_of_type(first, G_VARIANT_TYPE_VARIANT))
refValue = g_variant_get_child_value(first, 0);
if (g_variant_is_of_type(refValue, G_VARIANT_TYPE_STRING)) {
const char *path = NULL;
g_variant_get(refValue, "&s", &path);
if ((path != NULL) && *path)
recording = recordings.GetByName(path);
}
else if (g_variant_is_of_type(refValue, G_VARIANT_TYPE_INT32)) {
int number = 0;
g_variant_get(refValue, "i", &number);
if ((number > 0) && (number <= recordings.Count()))
recording = recordings.Get(number - 1);
}
if (refValue != first)
g_variant_unref(refValue);
g_variant_unref(first);
GVariant *rec = BuildRecording(recording);
g_dbus_method_invocation_return_value(Invocation, g_variant_new_tuple(&rec, 1));
};
void AssertFreeDiskSpace(int Priority, bool Force)
{
static cMutex Mutex;
cMutexLock MutexLock(&Mutex);
// With every call to this function we try to actually remove
// a file, or mark a file for removal ("delete" it), so that
// it will get removed during the next call.
static time_t LastFreeDiskCheck = 0;
int Factor = (Priority == -1) ? 10 : 1;
if (Force || time(NULL) - LastFreeDiskCheck > DISKCHECKDELTA / Factor) {
if (!VideoFileSpaceAvailable(MINDISKSPACE)) {
// Make sure only one instance of VDR does this:
cLockFile LockFile(VideoDirectory);
if (!LockFile.Lock())
return;
// Remove the oldest file that has been "deleted":
isyslog("low disk space while recording, trying to remove a deleted recording...");
cThreadLock DeletedRecordingsLock(&DeletedRecordings);
if (DeletedRecordings.Count()) {
cRecording *r = DeletedRecordings.First();
cRecording *r0 = NULL;
while (r) {
if (IsOnVideoDirectoryFileSystem(r->FileName())) { // only remove recordings that will actually increase the free video disk space
if (!r0 || r->start < r0->start)
r0 = r;
}
r = DeletedRecordings.Next(r);
}
if (r0 && r0->Remove()) {
DeletedRecordings.Del(r0);
LastFreeDiskCheck += REMOVELATENCY / Factor;
return;
}
}
else {
// DeletedRecordings was empty, so to be absolutely sure there are no
// deleted recordings we need to double check:
DeletedRecordings.Update(true);
if (DeletedRecordings.Count())
return; // the next call will actually remove it
}
// No "deleted" files to remove, so let's see if we can delete a recording:
isyslog("...no deleted recording found, trying to delete an old recording...");
cThreadLock RecordingsLock(&Recordings);
if (Recordings.Count()) {
cRecording *r = Recordings.First();
cRecording *r0 = NULL;
while (r) {
if (IsOnVideoDirectoryFileSystem(r->FileName())) { // only delete recordings that will actually increase the free video disk space
if (!r->IsEdited() && r->lifetime < MAXLIFETIME) { // edited recordings and recordings with MAXLIFETIME live forever
if ((r->lifetime == 0 && Priority > r->priority) || // the recording has no guaranteed lifetime and the new recording has higher priority
(r->lifetime > 0 && (time(NULL) - r->start) / SECSINDAY >= r->lifetime)) { // the recording's guaranteed lifetime has expired
if (r0) {
if (r->priority < r0->priority || (r->priority == r0->priority && r->start < r0->start))
r0 = r; // in any case we delete the one with the lowest priority (or the older one in case of equal priorities)
}
else
r0 = r;
}
}
}
r = Recordings.Next(r);
}
if (r0 && r0->Delete()) {
Recordings.Del(r0);
return;
}
}
// Unable to free disk space, but there's nothing we can do about that...
isyslog("...no old recording found, giving up");
Skins.QueueMessage(mtWarning, tr("Low disk space!"), 5, -1);
}
LastFreeDiskCheck = time(NULL);
}
}