Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
- dev->fd = -1;
+ dev->clear_opened();
dev->attached_dcrs = New(dlist(dcr, &dcr->dev_link));
Dmsg2(29, "init_dev: tape=%d dev_name=%s\n", dev->is_tape(), dev->dev_name);
return fd;
} else {
::close(fd); /* use system close so correct mode will be used on open */
- fd = -1;
clear_opened();
Dmsg0(100, "Close fd for mode change.\n");
}
}
/*
- * If the flage open_nowait is set, which is the case
- * when the daemon is initially trying to open the device,
- * we open it with O_NONBLOCK set and O_RONLY, which will
- * allow us to open normal Linux tape drives with no tape
- * in the drive without blocking. We then immediately
- * set blocking status so that if we read from the device they
- * will be normal blocking reads.
- *
- * If later, we want to write on the device, it will be freed and
- * reopened, but hopefully there will be a tape in the drive so
- * we will not block.
*/
void DEVICE::open_tape_device(DCR *dcr, int omode)
{
set_blocking();
Dmsg2(100, "openmode=%d %s\n", openmode, mode_to_str(openmode));
dev_errno = 0;
- set_opened();
- use_count = 1;
update_pos_dev(this); /* update position */
set_os_device_parameters(this); /* do system dependent stuff */
} else {
if (VolCatInfo.VolCatName[0] == 0) {
Mmsg(errmsg, _("Could not open file device %s. No Volume name given.\n"),
print_name());
- fd = -1;
clear_opened();
return;
}
dev_errno = errno;
Mmsg2(errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(),
be.strerror());
- clear_opened();
Dmsg1(29, "open failed: %s", errmsg);
Emsg0(M_FATAL, 0, errmsg);
} else {
dev_errno = 0;
- set_opened();
- use_count = 1;
update_pos_dev(this); /* update position */
}
Dmsg5(29, "open dev: %s fd=%d opened, part=%d/%d, part_size=%u\n",
print_name());
Mmsg(errmsg, _("Could not open file device %s. No Volume name given.\n"),
print_name());
- fd = -1;
clear_opened();
return;
}
Mmsg(errmsg, _("The media in the device %s is not empty, please blank it before writing anything to it.\n"), print_name());
Emsg0(M_FATAL, 0, errmsg);
unmount_dev(this, 1); /* Unmount the device, so the operator can change it. */
- fd = -1;
+ clear_opened();
return;
}
}
else {
Mmsg(errmsg, _("There is no valid media in the device %s.\n"), print_name());
Emsg0(M_FATAL, 0, errmsg);
- fd = -1;
+ clear_opened();
return;
}
}
else {
Mmsg(errmsg, _("Could not mount device %s.\n"), print_name());
Emsg0(M_FATAL, 0, errmsg);
- fd = -1;
+ clear_opened();
return;
}
}
Dmsg1(29, "open failed: %s", errmsg);
/* Use system close() */
::close(fd);
- fd = -1;
clear_opened();
} else {
part_size = filestat.st_size;
dev_errno = 0;
- set_opened();
- use_count = 1;
update_pos_dev(this); /* update position */
/* NB: It seems this code is wrong... part number is incremented in open_next_part, not here */
}
}*/
}
- } else {
- clear_opened();
}
}
-#ifdef debug_tracing
-#undef rewind_dev
-bool _rewind_dev(char *file, int line, DEVICE *dev)
-{
- Dmsg3(100, "rewind_dev fd=%d called from %s:%d\n", dev->fd, file, line);
- return rewind_dev(dev);
-}
-#endif
-
/*
* Rewind the device.
* Returns: true on success
* false on failure
*/
-bool rewind_dev(DEVICE *dev)
+bool DEVICE::rewind(DCR *dcr)
{
struct mtop mt_com;
unsigned int i;
+ bool first = true;
- Dmsg3(29, "rewind_dev res=%d fd=%d %s\n", dev->reserved_device,
- dev->fd, dev->print_name());
- if (dev->fd < 0) {
- if (!dev->is_dvd()) { /* In case of major error, the fd is not open on DVD, so we don't want to abort. */
- dev->dev_errno = EBADF;
- Mmsg1(dev->errmsg, _("Bad call to rewind_dev. Device %s not open\n"),
- dev->print_name());
- Emsg0(M_ABORT, 0, dev->errmsg);
+ Dmsg3(29, "rewind res=%d fd=%d %s\n", reserved_device, fd, print_name());
+ if (fd < 0) {
+ if (!is_dvd()) { /* In case of major error, the fd is not open on DVD, so we don't want to abort. */
+ dev_errno = EBADF;
+ Mmsg1(errmsg, _("Bad call to rewind. Device %s not open\n"),
+ print_name());
+ Emsg0(M_ABORT, 0, errmsg);
}
return false;
}
- dev->state &= ~(ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
- dev->block_num = dev->file = 0;
- dev->file_size = 0;
- dev->file_addr = 0;
- if (dev->is_tape()) {
+ state &= ~(ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
+ block_num = file = 0;
+ file_size = 0;
+ file_addr = 0;
+ if (is_tape()) {
mt_com.mt_op = MTREW;
mt_com.mt_count = 1;
/* If we get an I/O error on rewind, it is probably because
* the drive is actually busy. We loop for (about 5 minutes)
* retrying every 5 seconds.
*/
- for (i=dev->max_rewind_wait; ; i -= 5) {
- if (ioctl(dev->fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ for (i=max_rewind_wait; ; i -= 5) {
+ if (ioctl(fd, MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
- clrerror_dev(dev, MTREW);
- if (i == dev->max_rewind_wait) {
+ clrerror_dev(this, MTREW);
+ if (i == max_rewind_wait) {
Dmsg1(200, "Rewind error, %s. retrying ...\n", be.strerror());
}
- if (dev->dev_errno == EIO && i > 0) {
+ /*
+ * This is a gross hack, because if the user has the
+ * device mounted (i.e. open), then uses mtx to load
+ * a tape, the current open file descriptor is invalid.
+ * So, we close the drive and re-open it.
+ */
+ if (first && dcr) {
+ int open_mode = openmode;
+ ::close(fd);
+ clear_opened();
+ open(dcr, open_mode);
+ if (fd < 0) {
+ return false;
+ }
+ first = false;
+ continue;
+ }
+ if (dev_errno == EIO && i > 0) {
Dmsg0(200, "Sleeping 5 seconds.\n");
bmicrosleep(5, 0);
continue;
}
- Mmsg2(dev->errmsg, _("Rewind error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ Mmsg2(errmsg, _("Rewind error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
return false;
}
break;
}
- } else if (dev->is_file()) {
- if (lseek_dev(dev, (off_t)0, SEEK_SET) < 0) {
+ } else if (is_file()) {
+ if (lseek_dev(this, (off_t)0, SEEK_SET) < 0) {
berrno be;
- dev->dev_errno = errno;
- Mmsg2(dev->errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ dev_errno = errno;
+ Mmsg2(errmsg, _("lseek_dev error on %s. ERR=%s.\n"),
+ print_name(), be.strerror());
return false;
}
}
Dmsg0(100,"Using FAST FSF for EOM\n");
/* If unknown position, rewind */
if (!dev_get_os_pos(dev, &mt_stat)) {
- if (!rewind_dev(dev)) {
+ if (!dev->rewind(NULL)) {
return false;
}
}
/*
* Rewind then use FSF until EOT reached
*/
- if (!rewind_dev(dev)) {
+ if (!dev->rewind(NULL)) {
return false;
}
/*
* done, all future references to the drive get and I/O error.
*/
clrerror_dev(dev, MTREW);
- return rewind_dev(dev);
+ return dev->rewind(NULL);
}
}
Dmsg4(100, "reposition_dev from %u:%u to %u:%u\n",
dev->file, dev->block_num, file, block);
if (file < dev->file) {
- Dmsg0(100, "Rewind_dev\n");
- if (!rewind_dev(dev)) {
+ Dmsg0(100, "Rewind\n");
+ if (!dev->rewind(NULL)) {
return false;
}
}
Dmsg1(100, "really close_dev %s\n", dev->print_name());
if (dev->fd >= 0) {
- close(dev->fd);
+ ::close(dev->fd);
}
if (!unmount_dev(dev, 1)) {
}
/* Clean up device packet so it can be reused */
- dev->fd = -1;
- dev->state &= ~(ST_OPENED|ST_LABEL|ST_READ|ST_APPEND|ST_EOT|ST_WEOT|ST_EOF);
+ dev->clear_opened();
+ dev->state &= ~(ST_LABEL|ST_READ|ST_APPEND|ST_EOT|ST_WEOT|ST_EOF);
dev->label_type = B_BACULA_LABEL;
dev->file = dev->block_num = 0;
dev->file_size = 0;
stop_thread_timer(dev->tid);
dev->tid = 0;
}
- dev->use_count = 0;
dev->openmode = 0;
}
*/
void DEVICE::close()
{
- /*if (fd >= 0 && use_count == 1) {*/
- /* No need to check if fd >= 0: it is checked again
- * in do_close, and do_close MUST be called for volumes
- * split in parts, even if fd == -1.
- */
- if (use_count == 1) {
- do_close(this);
- } else if (use_count > 0) {
- use_count--;
- }
-
-#ifdef FULL_DEBUG
- ASSERT(use_count >= 0);
-#endif
+ do_close(this);
}
projects / bacula / bacula / blobdiff