/*
* Search for a Volume name in the read Volume list.
*
* Returns: VOLRES entry on success
* NULL if the Volume is not in the list
*/
static VOLRES *find_read_volume(const char *VolumeName)
{
VOLRES vol, *fvol;
if (read_vol_list->empty()) {
Dmsg0(dbglvl, "find_read_vol: read_vol_list empty.\n");
return NULL;
}
/*
* Do not lock reservations here
*/
lock_read_volumes();
memset(&vol, 0, sizeof(vol));
vol.vol_name = bstrdup(VolumeName);
/*
* Note, we do want a simple compare_by_volumename on volume name only here
*/
fvol = (VOLRES *)read_vol_list->binary_search(&vol, compare_by_volumename);
free(vol.vol_name);
Dmsg2(dbglvl, "find_read_vol=%s found=%d\n", VolumeName, fvol!=NULL);
unlock_read_volumes();
return fvol;
}
/*
* Check if volume name is on read volume list.
*/
bool is_on_read_volume_list(JCR *jcr, const char *VolumeName)
{
VOLRES vol, *fvol;
lock_read_volumes();
vol.vol_name = bstrdup(VolumeName);
fvol = (VOLRES *)read_vol_list->binary_search(&vol, compare_by_volumename);
free(vol.vol_name);
unlock_read_volumes();
return fvol != NULL;
}
/*
* Add a volume to the read list.
* Note, we use VOLRES because it simplifies the code
* even though, the only part of VOLRES that we need is
* the volume name. The same volume may be in the list
* multiple times, but each one is distinguished by the
* JobId. We use JobId, VolumeName as the key.
* We can get called multiple times for the same volume because
* when parsing the bsr, the volume name appears multiple times.
*/
void add_read_volume(JCR *jcr, const char *VolumeName)
{
VOLRES *nvol, *vol;
lock_read_volumes();
nvol = new_vol_item(NULL, VolumeName);
nvol->set_jobid(jcr->JobId);
vol = (VOLRES *)read_vol_list->binary_insert(nvol, read_compare);
if (vol != nvol) {
free_vol_item(nvol);
Dmsg2(dbglvl, "read_vol=%s JobId=%d already in list.\n", VolumeName, jcr->JobId);
} else {
Dmsg2(dbglvl, "add read_vol=%s JobId=%d\n", VolumeName, jcr->JobId);
}
unlock_read_volumes();
}
/*
* Remove a given volume name from the read list.
*/
void remove_read_volume(JCR *jcr, const char *VolumeName)
{
VOLRES vol, *fvol;
lock_read_volumes();
vol.vol_name = bstrdup(VolumeName);
vol.set_jobid(jcr->JobId);
fvol = (VOLRES *)read_vol_list->binary_search(&vol, read_compare);
free(vol.vol_name);
if (fvol) {
Dmsg3(dbglvl, "remove_read_vol=%s JobId=%d found=%d\n", VolumeName, jcr->JobId, fvol!=NULL);
}
if (fvol) {
read_vol_list->remove(fvol);
free_vol_item(fvol);
}
unlock_read_volumes();
// pthread_cond_broadcast(&wait_next_vol);
}
