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); }