/* Forward referenced functions */
static int label_cmd(JCR *jcr);
static int relabel_cmd(JCR *jcr);
+static int readlabel_cmd(JCR *jcr);
+static int release_cmd(JCR *jcr);
static int setdebug_cmd(JCR *jcr);
static int cancel_cmd(JCR *cjcr);
static int mount_cmd(JCR *jcr);
static int unmount_cmd(JCR *jcr);
static int autochanger_cmd(JCR *sjcr);
static int do_label(JCR *jcr, int relabel);
+static bool find_device(JCR *jcr, char *dname);
+static void read_volume_label(JCR *jcr, DEVICE *dev, int Slot);
static void label_volume_if_ok(JCR *jcr, DEVICE *dev, char *oldname,
char *newname, char *poolname,
int Slot, int relabel);
{"unmount", unmount_cmd},
{"status", status_cmd},
{"autochanger", autochanger_cmd},
+ {"release", release_cmd},
+ {"readlabel", readlabel_cmd},
{NULL, NULL} /* list terminator */
};
/*
* Connection request. We accept connections either from the
- * Director or a Client.
+ * Director or a Client (File daemon).
*
* Note, we are running as a seperate thread of the Storage daemon.
* and it is because a Director has made a connection with
*
* Basic tasks done here:
* - Create a JCR record
+ * - If it was from the FD, call handle_filed_connection()
* - Authenticate the Director
* - We wait for a command
* - We execute the command
}
/*
- * See if this is a File daemon connection
+ * Do a sanity check on the message received
*/
- if (bs->msglen < 25 || bs->msglen > (int)sizeof(name)+25) {
+ if (bs->msglen < 25 || bs->msglen > (int)sizeof(name)-25) {
Emsg1(M_ERROR, 0, _("Invalid Dir connection. Len=%d\n"), bs->msglen);
}
+ /*
+ * See if this is a File daemon connection. If so
+ * call FD handler.
+ */
if (sscanf(bs->msg, "Hello Start Job %127s calling\n", name) == 1) {
handle_filed_connection(bs, name);
return NULL;
jcr = new_jcr(sizeof(JCR), stored_free_jcr); /* create Job Control Record */
jcr->dir_bsock = bs; /* save Director bsock */
+ jcr->dir_bsock->jcr = jcr;
Dmsg0(1000, "stored in start_job\n");
break;
}
}
- if (bnet_stat != BNET_TERMINATE) {
- bnet_sig(bs, BNET_TERMINATE);
- }
+ bnet_sig(bs, BNET_TERMINATE);
free_jcr(jcr);
return NULL;
}
{
POOLMEM *dname, *newname, *oldname, *poolname, *mtype;
BSOCK *dir = jcr->dir_bsock;
- DEVRES *device;
DEVICE *dev;
- int found = 0, ok = 0;
+ bool ok = false;
int slot;
dname = get_memory(dir->msglen+1);
if (relabel) {
if (sscanf(dir->msg, "relabel %s OldName=%s NewName=%s PoolName=%s MediaType=%s Slot=%d",
dname, oldname, newname, poolname, mtype, &slot) == 6) {
- ok = 1;
+ ok = true;
}
} else {
*oldname = 0;
if (sscanf(dir->msg, "label %s VolumeName=%s PoolName=%s MediaType=%s Slot=%d",
dname, newname, poolname, mtype, &slot) == 5) {
- ok = 1;
+ ok = true;
}
}
if (ok) {
- unbash_spaces(dname);
unbash_spaces(newname);
unbash_spaces(oldname);
unbash_spaces(poolname);
unbash_spaces(mtype);
- device = NULL;
- LockRes();
- while ((device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device))) {
- /* Find resource, and make sure we were able to open it */
- if (strcmp(device->hdr.name, dname) == 0 && device->dev) {
- Dmsg1(20, "Found device %s\n", device->hdr.name);
- found = 1;
- break;
- }
- }
- UnlockRes();
- if (found) {
+ if (find_device(jcr, dname)) {
/******FIXME**** compare MediaTypes */
- jcr->device = device;
- dev = device->dev;
+ dev = jcr->device->dev;
P(dev->mutex); /* Use P to avoid indefinite block */
if (!(dev->state & ST_OPENED)) {
dev->dev_blocked == BST_WAITING_FOR_SYSOP ||
dev->dev_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP)) {
label_volume_if_ok(jcr, dev, oldname, newname, poolname, slot, relabel);
- } else if (dev->state & ST_READ || dev->num_writers) {
- if (dev->state & ST_READ) {
- bnet_fsend(dir, _("3901 Device %s is busy with 1 reader.\n"),
+ } else if (dev_state(dev, ST_READ) || dev->num_writers) {
+ if (dev_state(dev, ST_READ)) {
+ bnet_fsend(dir, _("3911 Device %s is busy with 1 reader.\n"),
dev_name(dev));
} else {
- bnet_fsend(dir, _("3902 Device %s is busy with %d writer(s).\n"),
+ bnet_fsend(dir, _("3912 Device %s is busy with %d writer(s).\n"),
dev_name(dev), dev->num_writers);
}
} else { /* device not being used */
autoload_device(jcr, dev, 0, dir); /* autoload if possible */
block = new_block(dev);
- /* Ensure that the device is open -- not autoload_device() closes it */
+ /* Ensure that the device is open -- autoload_device() closes it */
for ( ; !(dev->state & ST_OPENED); ) {
- if (open_dev(dev, jcr->VolumeName, READ_WRITE) < 0) {
- if (dev->dev_errno == EAGAIN || dev->dev_errno == EBUSY) {
- bmicrosleep(30, 0);
- }
- bnet_fsend(dir, _("3910 Unable to open device %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- goto bail_out;
- }
+ if (open_dev(dev, jcr->VolumeName, READ_WRITE) < 0) {
+ bnet_fsend(dir, _("3910 Unable to open device %s. ERR=%s\n"),
+ dev_name(dev), strerror_dev(dev));
+ goto bail_out;
+ }
}
/* See what we have for a Volume */
switch (read_dev_volume_label(jcr, dev, block)) {
- case VOL_NAME_ERROR:
- case VOL_VERSION_ERROR:
- case VOL_LABEL_ERROR:
- case VOL_OK:
- if (!relabel) {
- bnet_fsend(dir, _(
- "3911 Cannot label Volume because it is already labeled: %s\n"),
- dev->VolHdr.VolName);
- break;
- }
- /* Relabel request. If oldname matches, continue */
- if (strcmp(oldname, dev->VolHdr.VolName) != 0) {
- bnet_fsend(dir, _("Wrong volume mounted.\n"));
- break;
- }
- /* Fall through wanted! */
- case VOL_IO_ERROR:
- case VOL_NO_LABEL:
- if (!write_volume_label_to_dev(jcr, jcr->device, newname, poolname)) {
- bnet_fsend(dir, _("3912 Failed to label Volume: ERR=%s\n"), strerror_dev(dev));
- break;
- }
- strcpy(jcr->VolumeName, newname);
- bnet_fsend(dir, _("3000 OK label. Volume=%s Device=%s\n"),
- newname, dev->dev_name);
+ case VOL_NAME_ERROR:
+ case VOL_VERSION_ERROR:
+ case VOL_LABEL_ERROR:
+ case VOL_OK:
+ if (!relabel) {
+ bnet_fsend(dir, _(
+ "3911 Cannot label Volume because it is already labeled: \"%s\"\n"),
+ dev->VolHdr.VolName);
+ break;
+ }
+ /* Relabel request. If oldname matches, continue */
+ if (strcmp(oldname, dev->VolHdr.VolName) != 0) {
+ bnet_fsend(dir, _("Wrong volume mounted.\n"));
break;
- case VOL_NO_MEDIA:
+ }
+ /* Fall through wanted! */
+ case VOL_IO_ERROR:
+ case VOL_NO_LABEL:
+ if (!write_volume_label_to_dev(jcr, jcr->device, newname, poolname)) {
bnet_fsend(dir, _("3912 Failed to label Volume: ERR=%s\n"), strerror_dev(dev));
break;
- default:
- bnet_fsend(dir, _("3913 Cannot label Volume. \
+ }
+ pm_strcpy(&jcr->VolumeName, newname);
+ bnet_fsend(dir, _("3000 OK label. Volume=%s Device=%s\n"),
+ newname, dev_name(dev));
+ break;
+ case VOL_NO_MEDIA:
+ bnet_fsend(dir, _("3912 Failed to label Volume: ERR=%s\n"), strerror_dev(dev));
+ break;
+ default:
+ bnet_fsend(dir, _("3913 Cannot label Volume. \
Unknown status %d from read_volume_label()\n"), jcr->label_status);
- break;
+ break;
}
bail_out:
free_block(block);
- return_device_lock(dev, &hold);
+ give_back_device_lock(dev, &hold);
+
+ return;
}
block = new_block(dev);
dev->state &= ~ST_LABEL; /* force read of label */
switch (read_dev_volume_label(jcr, dev, block)) {
- case VOL_OK:
- bnet_fsend(dir, _("3001 Mounted Volume: %s\n"), dev->VolHdr.VolName);
- stat = 1;
- break;
- default:
- bnet_fsend(dir, _("3902 Cannot mount Volume on Storage Device \"%s\" because:\n%s\n"),
- dev->dev_name, jcr->errmsg);
- stat = 0;
- break;
+ case VOL_OK:
+ bnet_fsend(dir, _("3001 Mounted Volume: %s\n"), dev->VolHdr.VolName);
+ stat = 1;
+ break;
+ default:
+ bnet_fsend(dir, _("3902 Cannot mount Volume on Storage Device \"%s\" because:\n%s"),
+ dev_name(dev), jcr->errmsg);
+ stat = 0;
+ break;
}
free_block(block);
- return_device_lock(dev, &hold);
+ give_back_device_lock(dev, &hold);
return stat;
}
+static bool find_device(JCR *jcr, char *dname)
+{
+ DEVRES *device = NULL;
+ bool found = false;
+
+ unbash_spaces(dname);
+ LockRes();
+ while ((device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device))) {
+ /* Find resource, and make sure we were able to open it */
+ if (strcmp(device->hdr.name, dname) == 0 && device->dev) {
+ Dmsg1(20, "Found device %s\n", device->hdr.name);
+ jcr->device = device;
+ found = true;
+ break;
+ }
+ }
+ UnlockRes();
+ return found;
+}
+
+
/*
* Mount command from Director
*/
static int mount_cmd(JCR *jcr)
{
- POOLMEM *dev_name;
+ POOLMEM *dname;
BSOCK *dir = jcr->dir_bsock;
- DEVRES *device;
DEVICE *dev;
- int found = 0;
-
- dev_name = get_memory(dir->msglen+1);
- if (sscanf(dir->msg, "mount %s", dev_name) == 1) {
- unbash_spaces(dev_name);
- device = NULL;
- LockRes();
- while ((device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device))) {
- /* Find resource, and make sure we were able to open it */
- if (strcmp(device->hdr.name, dev_name) == 0 && device->dev) {
- Dmsg1(20, "Found device %s\n", device->hdr.name);
- found = 1;
- break;
- }
- }
- UnlockRes();
- if (found) {
- jcr->device = device;
- dev = device->dev;
+
+ dname = get_memory(dir->msglen+1);
+ if (sscanf(dir->msg, "mount %s", dname) == 1) {
+ if (find_device(jcr, dname)) {
+ DEV_BLOCK *block;
+ dev = jcr->device->dev;
P(dev->mutex); /* Use P to avoid indefinite block */
switch (dev->dev_blocked) { /* device blocked? */
- DEV_BLOCK *block;
- case BST_WAITING_FOR_SYSOP:
- /* Someone is waiting, wake him */
- Dmsg0(100, "Waiting for mount. Attempting to wake thread\n");
- dev->dev_blocked = BST_MOUNT;
- pthread_cond_signal(&dev->wait_next_vol);
- bnet_fsend(dir, "3001 OK mount. Device=%s\n", dev->dev_name);
+ case BST_WAITING_FOR_SYSOP:
+ /* Someone is waiting, wake him */
+ Dmsg0(100, "Waiting for mount. Attempting to wake thread\n");
+ dev->dev_blocked = BST_MOUNT;
+ bnet_fsend(dir, "3001 OK mount. Device=%s\n", dev_name(dev));
+ pthread_cond_signal(&dev->wait_next_vol);
+ break;
+
+ /* In both of these two cases, we (the user) unmounted the Volume */
+ case BST_UNMOUNTED_WAITING_FOR_SYSOP:
+ case BST_UNMOUNTED:
+ /* We freed the device, so reopen it and wake any waiting threads */
+ if (open_dev(dev, NULL, READ_WRITE) < 0) {
+ bnet_fsend(dir, _("3901 open device failed: ERR=%s\n"),
+ strerror_dev(dev));
break;
+ }
+ block = new_block(dev);
+ read_dev_volume_label(jcr, dev, block);
+ free_block(block);
+ if (dev->dev_blocked == BST_UNMOUNTED) {
+ /* We blocked the device, so unblock it */
+ Dmsg0(100, "Unmounted. Unblocking device\n");
+ read_label(jcr, dev); /* this should not be necessary */
+ unblock_device(dev);
+ } else {
+ Dmsg0(100, "Unmounted waiting for mount. Attempting to wake thread\n");
+ dev->dev_blocked = BST_MOUNT;
+ }
+ if (dev_state(dev, ST_LABEL)) {
+ bnet_fsend(dir, _("3001 Device %s is mounted with Volume \"%s\"\n"),
+ dev_name(dev), dev->VolHdr.VolName);
+ } else {
+ bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\n"
+ "If this is not a blank tape, try unmounting and remounting the Volume.\n"),
+ dev_name(dev));
+ }
+ pthread_cond_signal(&dev->wait_next_vol);
+ break;
- case BST_UNMOUNTED_WAITING_FOR_SYSOP:
- case BST_UNMOUNTED:
- /* We freed the device, so reopen it and wake any waiting threads */
+ case BST_DOING_ACQUIRE:
+ bnet_fsend(dir, _("3001 Device %s is mounted; doing acquire.\n"),
+ dev_name(dev));
+ break;
+
+ case BST_WRITING_LABEL:
+ bnet_fsend(dir, _("3903 Device %s is being labeled.\n"), dev_name(dev));
+ break;
+
+ case BST_NOT_BLOCKED:
+ if (dev_state(dev, ST_OPENED)) {
+ if (dev_state(dev, ST_LABEL)) {
+ bnet_fsend(dir, _("3001 Device %s is mounted with Volume \"%s\"\n"),
+ dev_name(dev), dev->VolHdr.VolName);
+ } else {
+ bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\n"
+ "If this is not a blank tape, try unmounting and remounting the Volume.\n"),
+ dev_name(dev));
+ }
+ } else {
+ if (!dev_is_tape(dev)) {
+ bnet_fsend(dir, _("3906 cannot mount non-tape.\n"));
+ break;
+ }
if (open_dev(dev, NULL, READ_WRITE) < 0) {
bnet_fsend(dir, _("3901 open device failed: ERR=%s\n"),
strerror_dev(dev));
break;
}
- block = new_block(dev);
- read_dev_volume_label(jcr, dev, block);
- free_block(block);
- if (dev->dev_blocked == BST_UNMOUNTED) {
- Dmsg0(100, "Unmounted. Unblocking device\n");
- read_label(jcr, dev);
- unblock_device(dev);
- } else {
- Dmsg0(100, "Unmounted waiting for mount. Attempting to wake thread\n");
- dev->dev_blocked = BST_MOUNT;
- pthread_cond_signal(&dev->wait_next_vol);
- }
- if (dev->state & ST_LABEL) {
+ read_label(jcr, dev);
+ if (dev_state(dev, ST_LABEL)) {
bnet_fsend(dir, _("3001 Device %s is mounted with Volume \"%s\"\n"),
- dev->dev_name, dev->VolHdr.VolName);
+ dev_name(dev), dev->VolHdr.VolName);
} else {
bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\n"
- "Try unmounting and remounting the Volume.\n"),
- dev->dev_name);
+ "If this is not a blank tape, try unmounting and remounting the Volume.\n"),
+ dev_name(dev));
}
- break;
-
- case BST_DOING_ACQUIRE:
- bnet_fsend(dir, _("3001 Device %s is mounted; doing acquire.\n"),
- dev->dev_name);
- break;
-
- case BST_WRITING_LABEL:
- bnet_fsend(dir, _("3903 Device %s is being labeled.\n"), dev->dev_name);
- break;
-
- case BST_NOT_BLOCKED:
- if (dev->state & ST_OPENED) {
- if (dev->state & ST_LABEL) {
- bnet_fsend(dir, _("3001 Device %s is mounted with Volume \"%s\"\n"),
- dev->dev_name, dev->VolHdr.VolName);
- } else {
- bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\n"
- "Try unmounting and remounting the Volume.\n"),
- dev->dev_name);
- }
- } else {
- if (!dev_is_tape(dev)) {
- bnet_fsend(dir, _("3906 cannot mount non-tape.\n"));
- break;
- }
- if (open_dev(dev, NULL, READ_WRITE) < 0) {
- bnet_fsend(dir, _("3901 open device failed: ERR=%s\n"),
- strerror_dev(dev));
- break;
- }
- read_label(jcr, dev);
- if (dev->state & ST_LABEL) {
- bnet_fsend(dir, _("3001 Device %s is mounted with Volume \"%s\"\n"),
- dev->dev_name, dev->VolHdr.VolName);
- } else {
- bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\n"
- "Try unmounting and remounting the Volume.\n"),
- dev->dev_name);
- }
- }
- break;
+ }
+ break;
- default:
- bnet_fsend(dir, _("3905 Bizarre wait state %d\n"), dev->dev_blocked);
- break;
+ default:
+ bnet_fsend(dir, _("3905 Bizarre wait state %d\n"), dev->dev_blocked);
+ break;
}
V(dev->mutex);
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), dev_name);
+ bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
}
} else {
pm_strcpy(&jcr->errmsg, dir->msg);
- bnet_fsend(dir, _("3906 Error scanning mount command: %s\n"), jcr->errmsg);
+ bnet_fsend(dir, _("3909 Error scanning mount command: %s\n"), jcr->errmsg);
}
- free_memory(dev_name);
+ free_memory(dname);
bnet_sig(dir, BNET_EOD);
return 1;
}
{
POOLMEM *dname;
BSOCK *dir = jcr->dir_bsock;
- DEVRES *device;
DEVICE *dev;
- int found = 0;
dname = get_memory(dir->msglen+1);
if (sscanf(dir->msg, "unmount %s", dname) == 1) {
- unbash_spaces(dname);
- device = NULL;
- LockRes();
- while ((device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device))) {
- /* Find resource, and make sure we were able to open it */
- if (strcmp(device->hdr.name, dname) == 0 && device->dev) {
- Dmsg1(20, "Found device %s\n", device->hdr.name);
- found = 1;
- break;
- }
- }
- UnlockRes();
- if (found) {
- jcr->device = device;
- dev = device->dev;
+ if (find_device(jcr, dname)) {
+ dev = jcr->device->dev;
P(dev->mutex); /* Use P to avoid indefinite block */
if (!(dev->state & ST_OPENED)) {
Dmsg0(90, "Device already unmounted\n");
} else if (dev->dev_blocked == BST_WAITING_FOR_SYSOP) {
Dmsg2(90, "%d waiter dev_block=%d. doing unmount\n", dev->num_waiting,
dev->dev_blocked);
+ open_dev(dev, NULL, 0); /* fake open for close */
offline_or_rewind_dev(dev);
force_close_dev(dev);
dev->dev_blocked = BST_UNMOUNTED_WAITING_FOR_SYSOP;
bnet_fsend(dir, _("3001 Device %s unmounted.\n"), dev_name(dev));
} else if (dev->dev_blocked == BST_DOING_ACQUIRE) {
- bnet_fsend(dir, _("3902 Device %s is busy in acquire.\n"),
- dev_name(dev));
+ bnet_fsend(dir, _("3902 Device %s is busy in acquire.\n"), dev_name(dev));
} else if (dev->dev_blocked == BST_WRITING_LABEL) {
- bnet_fsend(dir, _("3903 Device %s is being labeled.\n"),
- dev_name(dev));
+ bnet_fsend(dir, _("3903 Device %s is being labeled.\n"), dev_name(dev));
- } else if (dev->state & ST_READ || dev->num_writers) {
- if (dev->state & ST_READ) {
+ } else if (dev_state(dev, ST_READ) || dev->num_writers) {
+ if (dev_state(dev, ST_READ)) {
Dmsg0(90, "Device in read mode\n");
- bnet_fsend(dir, _("3904 Device %s is busy with 1 reader.\n"),
- dev_name(dev));
+ bnet_fsend(dir, _("3904 Device %s is busy with 1 reader.\n"), dev_name(dev));
} else {
Dmsg1(90, "Device busy with %d writers\n", dev->num_writers);
bnet_fsend(dir, _("3905 Device %s is busy with %d writer(s).\n"),
} else { /* device not being used */
Dmsg0(90, "Device not in use, unmounting\n");
- block_device(dev, BST_UNMOUNTED);
+ /* On FreeBSD, I am having ASSERT() failures in block_device()
+ * and I can only imagine that the thread id that we are
+ * leaving in no_wait_id is being re-used. So here,
+ * we simply do it by hand. Gross, but a solution.
+ */
+ /* block_device(dev, BST_UNMOUNTED); replace with 2 lines below */
+ dev->dev_blocked = BST_UNMOUNTED;
+ dev->no_wait_id = 0;
+ open_dev(dev, NULL, 0); /* fake open for close */
offline_or_rewind_dev(dev);
force_close_dev(dev);
bnet_fsend(dir, _("3002 Device %s unmounted.\n"), dev_name(dev));
return 1;
}
+/*
+ * Release command from Director. This rewinds the device and if
+ * configured does a offline and ensures that Bacula will
+ * re-read the label of the tape before continuing. This gives
+ * the operator the chance to change the tape anytime before the
+ * next job starts.
+ */
+static int release_cmd(JCR *jcr)
+{
+ POOLMEM *dname;
+ BSOCK *dir = jcr->dir_bsock;
+ DEVICE *dev;
+
+ dname = get_memory(dir->msglen+1);
+ if (sscanf(dir->msg, "release %s", dname) == 1) {
+ if (find_device(jcr, dname)) {
+ dev = jcr->device->dev;
+ P(dev->mutex); /* Use P to avoid indefinite block */
+ if (!(dev->state & ST_OPENED)) {
+ Dmsg0(90, "Device already released\n");
+ bnet_fsend(dir, _("3911 Device %s already released.\n"), dev_name(dev));
+
+ } else if (dev->dev_blocked == BST_WAITING_FOR_SYSOP ||
+ dev->dev_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP) {
+ Dmsg2(90, "%d waiter dev_block=%d. doing unmount\n", dev->num_waiting,
+ dev->dev_blocked);
+ bnet_fsend(dir, _("3912 Device %s waiting for mount.\n"), dev_name(dev));
+
+ } else if (dev->dev_blocked == BST_DOING_ACQUIRE) {
+ bnet_fsend(dir, _("3913 Device %s is busy in acquire.\n"), dev_name(dev));
+
+ } else if (dev->dev_blocked == BST_WRITING_LABEL) {
+ bnet_fsend(dir, _("3914 Device %s is being labeled.\n"), dev_name(dev));
+
+ } else if (dev_state(dev, ST_READ) || dev->num_writers) {
+ if (dev_state(dev, ST_READ)) {
+ Dmsg0(90, "Device in read mode\n");
+ bnet_fsend(dir, _("3915 Device %s is busy with 1 reader.\n"), dev_name(dev));
+ } else {
+ Dmsg1(90, "Device busy with %d writers\n", dev->num_writers);
+ bnet_fsend(dir, _("3916 Device %s is busy with %d writer(s).\n"),
+ dev_name(dev), dev->num_writers);
+ }
+
+ } else { /* device not being used */
+ Dmsg0(90, "Device not in use, unmounting\n");
+ release_volume(jcr, dev);
+ bnet_fsend(dir, _("3012 Device %s released.\n"), dev_name(dev));
+ }
+ V(dev->mutex);
+ } else {
+ bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
+ }
+ } else {
+ /* NB dir->msg gets clobbered in bnet_fsend, so save command */
+ pm_strcpy(&jcr->errmsg, dir->msg);
+ bnet_fsend(dir, _("3917 Error scanning release command: %s\n"), jcr->errmsg);
+ }
+ free_memory(dname);
+ bnet_sig(dir, BNET_EOD);
+ return 1;
+}
+
+
/*
* Autochanger command from Director
*/
static int autochanger_cmd(JCR *jcr)
{
- POOLMEM *devname;
+ POOLMEM *dname;
BSOCK *dir = jcr->dir_bsock;
- DEVRES *device;
DEVICE *dev;
- int found = 0;
-
- devname = get_memory(dir->msglen+1);
- if (sscanf(dir->msg, "autochanger list %s ", devname) == 1) {
- unbash_spaces(devname);
- device = NULL;
- LockRes();
- while ((device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device))) {
- /* Find resource, and make sure we were able to open it */
- if (strcmp(device->hdr.name, devname) == 0 && device->dev) {
- Dmsg1(20, "Found device %s\n", device->hdr.name);
- found = 1;
- break;
- }
- }
- UnlockRes();
- if (found) {
- jcr->device = device;
- dev = device->dev;
+
+ dname = get_memory(dir->msglen+1);
+ if (sscanf(dir->msg, "autochanger list %s ", dname) == 1) {
+ if (find_device(jcr, dname)) {
+ dev = jcr->device->dev;
P(dev->mutex); /* Use P to avoid indefinite block */
if (!dev_is_tape(dev)) {
- bnet_fsend(dir, _("3995 Device %s is not an autochanger.\n"),
- dev_name(dev));
+ bnet_fsend(dir, _("3995 Device %s is not an autochanger.\n"), dev_name(dev));
} else if (!(dev->state & ST_OPENED)) {
if (open_dev(dev, NULL, READ_WRITE) < 0) {
bnet_fsend(dir, _("3994 Connot open device: %s\n"), strerror_dev(dev));
dev->dev_blocked == BST_WAITING_FOR_SYSOP ||
dev->dev_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP)) {
autochanger_list(jcr, dev, dir);
- } else if (dev->state & ST_READ || dev->num_writers) {
- if (dev->state & ST_READ) {
- bnet_fsend(dir, _("3901 Device %s is busy with 1 reader.\n"),
- dev_name(dev));
+ } else if (dev_state(dev, ST_READ) || dev->num_writers) {
+ if (dev_state(dev, ST_READ)) {
+ bnet_fsend(dir, _("3901 Device %s is busy with 1 reader.\n"), dev_name(dev));
} else {
bnet_fsend(dir, _("3902 Device %s is busy with %d writer(s).\n"),
dev_name(dev), dev->num_writers);
}
V(dev->mutex);
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), devname);
+ bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
}
} else { /* error on scanf */
pm_strcpy(&jcr->errmsg, dir->msg);
- bnet_fsend(dir, _("3907 Error scanning autocharger list command: %s\n"),
+ bnet_fsend(dir, _("3908 Error scanning autocharger list command: %s\n"),
jcr->errmsg);
}
- free_memory(devname);
+ free_memory(dname);
+ bnet_sig(dir, BNET_EOD);
+ return 1;
+}
+
+/*
+ * Read and return the Volume label
+ */
+static int readlabel_cmd(JCR *jcr)
+{
+ POOLMEM *dname;
+ BSOCK *dir = jcr->dir_bsock;
+ DEVICE *dev;
+ int Slot;
+
+ dname = get_memory(dir->msglen+1);
+ if (sscanf(dir->msg, "readlabel %s Slot=%d", dname, &Slot) == 2) {
+ if (find_device(jcr, dname)) {
+ dev = jcr->device->dev;
+
+ P(dev->mutex); /* Use P to avoid indefinite block */
+ if (!(dev->state & ST_OPENED)) {
+ if (open_dev(dev, NULL, READ_WRITE) < 0) {
+ bnet_fsend(dir, _("3994 Connot open device: %s\n"), strerror_dev(dev));
+ } else {
+ read_volume_label(jcr, dev, Slot);
+ force_close_dev(dev);
+ }
+ /* Under certain "safe" conditions, we can steal the lock */
+ } else if (dev->dev_blocked &&
+ (dev->dev_blocked == BST_UNMOUNTED ||
+ dev->dev_blocked == BST_WAITING_FOR_SYSOP ||
+ dev->dev_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP)) {
+ read_volume_label(jcr, dev, Slot);
+ } else if (dev_state(dev, ST_READ) || dev->num_writers) {
+ if (dev_state(dev, ST_READ)) {
+ bnet_fsend(dir, _("3911 Device %s is busy with 1 reader.\n"),
+ dev_name(dev));
+ } else {
+ bnet_fsend(dir, _("3912 Device %s is busy with %d writer(s).\n"),
+ dev_name(dev), dev->num_writers);
+ }
+ } else { /* device not being used */
+ read_volume_label(jcr, dev, Slot);
+ }
+ V(dev->mutex);
+ } else {
+ bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
+ }
+ } else {
+ pm_strcpy(&jcr->errmsg, dir->msg);
+ bnet_fsend(dir, _("3909 Error scanning readlabel command: %s\n"), jcr->errmsg);
+ }
+ free_memory(dname);
bnet_sig(dir, BNET_EOD);
return 1;
}
+
+/*
+ * Read the tape label
+ *
+ * Enter with the mutex set
+ */
+static void read_volume_label(JCR *jcr, DEVICE *dev, int Slot)
+{
+ BSOCK *dir = jcr->dir_bsock;
+ DEV_BLOCK *block;
+ bsteal_lock_t hold;
+
+ steal_device_lock(dev, &hold, BST_WRITING_LABEL);
+
+ jcr->VolumeName[0] = 0;
+ jcr->VolCatInfo.Slot = Slot;
+ autoload_device(jcr, dev, 0, dir); /* autoload if possible */
+ block = new_block(dev);
+
+ /* Ensure that the device is open -- autoload_device() closes it */
+ for ( ; !(dev->state & ST_OPENED); ) {
+ if (open_dev(dev, jcr->VolumeName, READ_WRITE) < 0) {
+ bnet_fsend(dir, _("3910 Unable to open device %s. ERR=%s\n"),
+ dev_name(dev), strerror_dev(dev));
+ goto bail_out;
+ }
+ }
+
+ dev->state &= ~ST_LABEL; /* force read of label */
+ switch (read_dev_volume_label(jcr, dev, block)) {
+ case VOL_OK:
+ bnet_fsend(dir, _("3001 Volume=%s Slot=%d\n"), dev->VolHdr.VolName, Slot);
+ Dmsg1(100, "Volume: %s\n", dev->VolHdr.VolName);
+ break;
+ default:
+ bnet_fsend(dir, _("3902 Cannot mount Volume on Storage Device \"%s\" because:\n%s"),
+ dev_name(dev), jcr->errmsg);
+ break;
+ }
+
+bail_out:
+ free_block(block);
+ give_back_device_lock(dev, &hold);
+ return;
+}