int
ndmca_op_init_labels (struct ndm_session *sess)
{
struct ndm_control_agent *ca = sess->control_acb;
struct ndm_job_param * job = &ca->job;
struct ndm_media_table *mtab = &job->media_tab;
int n_media = mtab->n_media;
struct ndmmedia * me;
int rc, errors;
ca->tape_mode = NDMP9_TAPE_RDWR_MODE;
ca->is_label_op = 1;
if (n_media <= 0) {
ndmalogf (sess, 0, 0, "No media entries in table");
return -1;
}
errors = 0;
for (me = mtab->head; me; me = me->next) {
if (me->valid_label)
continue;
ndmalogf (sess, 0, 0, "media #%d missing a label", me->index);
errors++;
}
if (errors)
return -1;
rc = ndmca_op_robot_startup (sess, 1);
if (rc) return rc; /* already tattled */
rc = ndmca_connect_tape_agent (sess);
if (rc) {
ndmconn_destruct (sess->plumb.tape);
sess->plumb.tape = NULL;
return rc; /* already tattled */
}
for (me = mtab->head; me; me = me->next) {
ca->cur_media_ix = me->index;
rc = ndmca_media_load_current (sess);
if (rc) {
/* already tattled */
continue;
}
rc = ndmca_media_write_label (sess, 'm', me->label);
if (rc) {
ndmalogf (sess, 0, 0, "failed label write");
}
ndmca_media_write_filemarks(sess);
ndmca_media_unload_current (sess);
}
return rc;
}
/*
* TODO: It would be nice that if a media entry has a problem
* during load_current() to just skip over it and proceed
* to the next one. It will be really annoying to have a
* long running backup terminate because of a write-protect
* or label-check error when there are perfectly good
* tapes available.
*/
int
ndmca_media_load_next (struct ndm_session *sess)
{
int n_media = sess->control_acb->job.media_tab.n_media;
if (sess->control_acb->cur_media_ix >= n_media) {
ndmalogf (sess, 0, 0, "Out of tapes");
return -1;
}
sess->control_acb->cur_media_ix++;
return ndmca_media_load_current (sess);
}
int
ndmca_media_load_seek (struct ndm_session *sess, uint64_t pos)
{
struct ndm_control_agent *ca = sess->control_acb;
struct ndm_job_param * job = &ca->job;
int n_media = job->media_tab.n_media;
struct ndmmedia * me;
for (me = job->media_tab.head; me; me = me->next) {
if (me->begin_offset <= pos && pos < me->end_offset)
break;
}
if (!me || me->index > n_media) {
ndmalogf (sess, 0, 0, "Seek to unspecified media");
return -1;
}
ca->cur_media_ix = me->index;
return ndmca_media_load_current (sess);
}
int
ndmca_op_list_labels (struct ndm_session *sess)
{
struct ndm_control_agent *ca = sess->control_acb;
struct ndm_job_param * job = &ca->job;
struct ndm_media_table *mtab = &job->media_tab;
int n_media;
char labbuf[NDMMEDIA_LABEL_MAX];
char buf[200];
struct ndmmedia * me;
int rc;
ca->tape_mode = NDMP9_TAPE_READ_MODE;
ca->is_label_op = 1;
rc = ndmca_op_robot_startup (sess, 0);
if (rc) return rc; /* already tattled */
if (job->media_tab.n_media == 0) {
if (job->have_robot) {
rc = ndmca_robot_synthesize_media (sess);
if (rc) return rc; /* already tattled */
} else {
/*
* No fixup. Should be done by now.
* See ndma_job_auto_adjust()
*/
}
}
if ((rc = ndmca_connect_tape_agent (sess)) != 0) {
ndmconn_destruct (sess->plumb.tape);
sess->plumb.tape = NULL;
return rc; /* already tattled */
}
n_media = mtab->n_media;
for (me = mtab->head; me; me = me->next) {
ca->cur_media_ix = me->index;
rc = ndmca_media_load_current (sess);
if (rc) {
/* already tattled */
continue;
}
rc = ndmca_media_read_label (sess, labbuf);
if (rc == 'm' || rc == 'V') {
strcpy (me->label, labbuf);
me->valid_label = 1;
ndmmedia_to_str (me, buf);
ndmalogf (sess, "ME", 0, "%s", buf);
} else {
ndmalogf (sess, 0, 0, "failed label read");
}
ndmca_media_unload_current (sess);
}
return rc;
}
int
ndmca_media_load_first (struct ndm_session *sess)
{
sess->control_acb->cur_media_ix = 1;
return ndmca_media_load_current (sess);
}
