/* Initialize -- Set data structure to know value, ignore current value */
int
ndmta_initialize (struct ndm_session *sess)
{
struct ndm_tape_agent * ta = &sess->tape_acb;
int rc;
NDMOS_MACRO_ZEROFILL(ta);
ndmta_commission (sess);
rc = ndmos_tape_initialize (sess);
if (rc) return rc;
return 0;
}
/* Initialize -- Set data structure to know value, ignore current value */
int
ndmta_initialize (struct ndm_session *sess)
{
int rc;
sess->tape_acb = NDMOS_API_MALLOC (sizeof(struct ndm_tape_agent));
if (!sess->tape_acb)
return -1;
NDMOS_MACRO_ZEROFILL (sess->tape_acb);
ndmta_commission (sess);
rc = ndmos_tape_initialize (sess);
if (rc) return rc;
return 0;
}
ndmp9_error
ndmos_tape_close (struct ndm_session *sess)
{
struct ndm_tape_agent * ta = &sess->tape_acb;
off_t cur_pos;
/* TODO this is not called on an EOF from the DMA, so the lockfile
* will remain, although the spec says the tape service should be
* automatically closed */
if (ta->tape_fd < 0) {
return NDMP9_DEV_NOT_OPEN_ERR;
}
simu_flush_weof(sess);
#if 0
u_long resid;
ndmos_tape_mtio (sess, NDMP9_MTIO_REW, 1, &resid);
#endif
cur_pos = lseek (ta->tape_fd, (off_t)0, 1);
if (cur_pos != -1) {
char *pos_symlink_name;
char pos_buf[32];
pos_symlink_name = g_strdup_printf("%s.pos", ta->drive_name);
sprintf (pos_buf, "%ld", (long) cur_pos);
if (symlink (pos_buf, pos_symlink_name) < 0) {
; /* ignore error during close */
}
g_free(pos_symlink_name);
}
close (ta->tape_fd);
ta->tape_fd = -1;
unlink_tape_lockfile(ta->drive_name);
ndmos_tape_initialize (sess);
return NDMP9_NO_ERR;
}
ndmp9_error
ndmos_tape_close (struct ndm_session *sess)
{
ndmp9_error err;
struct ndm_tape_agent * ta = sess->tape_acb;
if (ta->tape_fd < 0) {
return NDMP9_DEV_NOT_OPEN_ERR;
}
if (sess->ntsc && sess->ntsc->tape_close) {
err = sess->ntsc->tape_close(sess);
if (err != NDMP9_NO_ERR)
return err;
}
ndmos_tape_initialize (sess);
return NDMP9_NO_ERR;
}
