/*
- *
- * Routines for handling the autochanger.
- *
- * Kern Sibbald, August MMII
- *
- * Version $Id$
- */
-/*
- Copyright (C) 2000-2005 Kern Sibbald
+ Bacula(R) - The Network Backup Solution
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ Copyright (C) 2000-2017 Kern Sibbald
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ The original author of Bacula is Kern Sibbald, with contributions
+ from many others, a complete list can be found in the file AUTHORS.
- You should have received a copy of the GNU General Public
- License along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ You may use this file and others of this release according to the
+ license defined in the LICENSE file, which includes the Affero General
+ Public License, v3.0 ("AGPLv3") and some additional permissions and
+ terms pursuant to its AGPLv3 Section 7.
+ This notice must be preserved when any source code is
+ conveyed and/or propagated.
+
+ Bacula(R) is a registered trademark of Kern Sibbald.
+*/
+/*
+ *
+ * Routines for handling the autochanger.
+ *
+ * Written by Kern Sibbald, August MMII
*/
#include "bacula.h" /* pull in global headers */
#include "stored.h" /* pull in Storage Deamon headers */
+static const int dbglvl = 60;
+
/* Forward referenced functions */
-char *edit_device_codes(DCR *dcr, char *omsg, const char *cmd);
-static int get_autochanger_loaded_slot(DCR *dcr);
static void lock_changer(DCR *dcr);
static void unlock_changer(DCR *dcr);
+static bool unload_other_drive(DCR *dcr, int slot, bool writing);
+
+bool DCR::is_virtual_autochanger()
+{
+ return device->changer_command &&
+ (device->changer_command[0] == 0 ||
+ strcmp(device->changer_command, "/dev/null") == 0);
+}
+
+/* Init all the autochanger resources found */
+bool init_autochangers()
+{
+ bool OK = true;
+ AUTOCHANGER *changer;
+ /* Ensure that the media_type for each device is the same */
+ foreach_res(changer, R_AUTOCHANGER) {
+ DEVRES *device;
+ foreach_alist(device, changer->device) {
+ /*
+ * If the device does not have a changer name or changer command
+ * defined, used the one from the Autochanger resource
+ */
+ if (!device->changer_name && changer->changer_name) {
+ device->changer_name = bstrdup(changer->changer_name);
+ }
+ if (!device->changer_command && changer->changer_command) {
+ device->changer_command = bstrdup(changer->changer_command);
+ }
+ if (!device->changer_name) {
+ Jmsg(NULL, M_ERROR, 0,
+ _("No Changer Name given for device %s. Cannot continue.\n"),
+ device->hdr.name);
+ OK = false;
+ }
+ if (!device->changer_command) {
+ Jmsg(NULL, M_ERROR, 0,
+ _("No Changer Command given for device %s. Cannot continue.\n"),
+ device->hdr.name);
+ OK = false;
+ }
+ }
+ }
+ return OK;
+}
+
/*
* Called here to do an autoload using the autochanger, if
* dir bsock.
*
* Returns: 1 on success
- * 0 on failure (no changer available)
- * -1 on error on autochanger
+ * 0 on failure (no changer available)
+ * -1 on error on autochanger
*/
-int autoload_device(DCR *dcr, int writing, BSOCK *dir)
+int autoload_device(DCR *dcr, bool writing, BSOCK *dir)
{
JCR *jcr = dcr->jcr;
- DEVICE *dev = dcr->dev;
+ DEVICE * volatile dev = dcr->dev;
+ char *new_vol_name = dcr->VolumeName;
int slot;
- int drive = dev->device->drive_index;
- int rtn_stat = -1; /* error status */
+ int drive = dev->drive_index;
+ int rtn_stat = -1; /* error status */
POOLMEM *changer;
+ if (!dev->is_autochanger()) {
+ Dmsg1(dbglvl, "Device %s is not an autochanger\n", dev->print_name());
+ return 0;
+ }
+
+ /* An empty ChangerCommand => virtual disk autochanger */
+ if (dcr->is_virtual_autochanger()) {
+ Dmsg0(dbglvl, "ChangerCommand=0, virtual disk changer\n");
+ return 1; /* nothing to load */
+ }
+
slot = dcr->VolCatInfo.InChanger ? dcr->VolCatInfo.Slot : 0;
/*
- * Handle autoloaders here. If we cannot autoload it, we
- * will return FALSE to ask the sysop.
+ * Handle autoloaders here. If we cannot autoload it, we
+ * will return 0 so that the sysop will be asked to load it.
*/
- if (writing && dev_cap(dev, CAP_AUTOCHANGER) && slot <= 0) {
+ if (writing && slot <= 0) {
if (dir) {
- return 0; /* For user, bail out right now */
+ return 0; /* For user, bail out right now */
}
+ /* ***FIXME*** this really should not be here */
if (dir_find_next_appendable_volume(dcr)) {
- slot = dcr->VolCatInfo.InChanger ? dcr->VolCatInfo.Slot : 0;
+ slot = dcr->VolCatInfo.InChanger ? dcr->VolCatInfo.Slot : 0;
} else {
- slot = 0;
+ slot = 0;
+ dev->clear_wait();
}
}
- Dmsg1(400, "Want changer slot=%d\n", slot);
+ Dmsg4(dbglvl, "Want slot=%d drive=%d InChgr=%d Vol=%s\n",
+ dcr->VolCatInfo.Slot, drive,
+ dcr->VolCatInfo.InChanger, dcr->getVolCatName());
changer = get_pool_memory(PM_FNAME);
- if (slot > 0 && dcr->device->changer_name && dcr->device->changer_command) {
+ if (slot <= 0) {
+ /* Suppress info when polling */
+ if (!dev->poll) {
+ Jmsg(jcr, M_INFO, 0, _("No slot defined in catalog (slot=%d) for Volume \"%s\" on %s.\n"),
+ slot, dcr->getVolCatName(), dev->print_name());
+ Jmsg(jcr, M_INFO, 0, _("Cartridge change or \"update slots\" may be required.\n"));
+ }
+ rtn_stat = 0;
+ } else if (!dcr->device->changer_name) {
+ /* Suppress info when polling */
+ if (!dev->poll) {
+ Jmsg(jcr, M_INFO, 0, _("No \"Changer Device\" for %s. Manual load of Volume may be required.\n"),
+ dev->print_name());
+ }
+ rtn_stat = 0;
+ } else if (!dcr->device->changer_command) {
+ /* Suppress info when polling */
+ if (!dev->poll) {
+ Jmsg(jcr, M_INFO, 0, _("No \"Changer Command\" for %s. Manual load of Volume may be requird.\n"),
+ dev->print_name());
+ }
+ rtn_stat = 0;
+ } else {
+ /* Attempt to load the Volume */
uint32_t timeout = dcr->device->max_changer_wait;
int loaded, status;
loaded = get_autochanger_loaded_slot(dcr);
-
- /* If tape we want is not loaded, load it. */
- if (loaded != slot) {
- offline_or_rewind_dev(dev);
- /* We are going to load a new tape, so close the device */
- force_close_dev(dev);
- lock_changer(dcr);
- if (loaded != 0 && loaded != -1) { /* must unload drive */
- Dmsg0(400, "Doing changer unload.\n");
- Jmsg(jcr, M_INFO, 0,
- _("3303 Issuing autochanger \"unload slot %d, drive %d\" command.\n"),
- loaded, drive);
- dcr->VolCatInfo.Slot = loaded; /* slot to be unloaded */
- changer = edit_device_codes(dcr, changer, "unload");
- status = run_program(changer, timeout, NULL);
- if (status != 0) {
- berrno be;
- be.set_errno(status);
- Jmsg(jcr, M_FATAL, 0, _("3992 Bad autochanger \"unload slot %d, drive %d\": ERR=%s.\n"),
- slot, drive, be.strerror());
- goto bail_out;
- }
-
- Dmsg1(400, "unload status=%d\n", status);
- }
- /*
- * Load the desired cassette
- */
- Dmsg1(400, "Doing changer load slot %d\n", slot);
- Jmsg(jcr, M_INFO, 0,
- _("3304 Issuing autochanger \"load slot %d, drive %d\" command.\n"),
- slot, drive);
- dcr->VolCatInfo.Slot = slot; /* slot to be loaded */
- changer = edit_device_codes(dcr, changer, "load");
- status = run_program(changer, timeout, NULL);
- if (status == 0) {
- Jmsg(jcr, M_INFO, 0, _("3305 Autochanger \"load slot %d, drive %d\", status is OK.\n"),
- slot, drive);
- } else {
- berrno be;
- be.set_errno(status);
- Jmsg(jcr, M_FATAL, 0, _("3992 Bad autochanger \"load slot %d, drive %d\": ERR=%s.\n"),
- slot, drive, be.strerror());
- goto bail_out;
- }
- unlock_changer(dcr);
- Dmsg2(400, "load slot %d status=%d\n", slot, status);
+ if (loaded < 0) { /* Autochanger error, try again */
+ loaded = get_autochanger_loaded_slot(dcr);
+ }
+ Dmsg2(dbglvl, "Found loaded=%d drive=%d\n", loaded, drive);
+
+ if (loaded <= 0 || loaded != slot) {
+ POOL_MEM results(PM_MESSAGE);
+
+ /* Unload anything in our drive */
+ if (!unload_autochanger(dcr, loaded)) {
+ goto bail_out;
+ }
+
+ /* Make sure desired slot is unloaded */
+ if (!unload_other_drive(dcr, slot, writing)) {
+ goto bail_out;
+ }
+
+ /*
+ * Load the desired cassette
+ */
+ lock_changer(dcr);
+ Dmsg2(dbglvl, "Doing changer load slot %d %s\n", slot, dev->print_name());
+ Jmsg(jcr, M_INFO, 0,
+ _("3304 Issuing autochanger \"load Volume %s, Slot %d, Drive %d\" command.\n"),
+ new_vol_name, slot, drive);
+ Dmsg3(dbglvl,
+ "3304 Issuing autochanger \"load Volume %s, Slot %d, Drive %d\" command.\n",
+ new_vol_name, slot, drive);
+
+ dcr->VolCatInfo.Slot = slot; /* slot to be loaded */
+ changer = edit_device_codes(dcr, changer, dcr->device->changer_command, "load");
+ dev->close(dcr);
+ Dmsg1(dbglvl, "Run program=%s\n", changer);
+ status = run_program_full_output(changer, timeout, results.addr());
+ if (status == 0) {
+ Jmsg(jcr, M_INFO, 0, _("3305 Autochanger \"load Volume %s, Slot %d, Drive %d\", status is OK.\n"),
+ new_vol_name, slot, drive);
+ Dmsg3(dbglvl, "OK: load volume %s, slot %d, drive %d.\n", new_vol_name, slot, drive);
+ bstrncpy(dev->LoadedVolName, new_vol_name, sizeof(dev->LoadedVolName));
+ dev->set_slot(slot); /* set currently loaded slot */
+ if (dev->vol) {
+ /* We just swapped this Volume so it cannot be swapping any more */
+ dev->vol->clear_swapping();
+ }
+ } else {
+ berrno be;
+ be.set_errno(status);
+ Dmsg5(dbglvl, "Error: load Volume %s, Slot %d, Drive %d, bad stats=%s.\nResults=%s\n",
+ new_vol_name, slot, drive,
+ be.bstrerror(), results.c_str());
+ Jmsg(jcr, M_FATAL, 0, _("3992 Bad autochanger \"load Volume %s Slot %d, Drive %d\": "
+ "ERR=%s.\nResults=%s\n"),
+ new_vol_name, slot, drive, be.bstrerror(), results.c_str());
+ rtn_stat = -1; /* hard error */
+ dev->clear_slot(); /* mark unknown */
+ }
+ unlock_changer(dcr);
} else {
- status = 0; /* we got what we want */
+ status = 0; /* we got what we want */
+ dev->set_slot(slot); /* set currently loaded slot */
+ bstrncpy(dev->LoadedVolName, new_vol_name, sizeof(dev->LoadedVolName));
}
- Dmsg1(400, "After changer, status=%d\n", status);
- if (status == 0) { /* did we succeed? */
- rtn_stat = 1; /* tape loaded by changer */
+ Dmsg1(dbglvl, "After changer, status=%d\n", status);
+ if (status == 0) { /* did we succeed? */
+ rtn_stat = 1; /* tape loaded by changer */
}
- } else {
- rtn_stat = 0; /* no changer found */
}
free_pool_memory(changer);
return rtn_stat;
bail_out:
free_pool_memory(changer);
- unlock_changer(dcr);
return -1;
}
-static int get_autochanger_loaded_slot(DCR *dcr)
+/*
+ * Returns: -1 if error from changer command
+ * slot otherwise
+ * Note, this is safe to do without releasing the drive
+ * since it does not attempt load/unload a slot.
+ */
+int get_autochanger_loaded_slot(DCR *dcr)
{
JCR *jcr = dcr->jcr;
- POOLMEM *changer, *results;
+ DEVICE *dev = dcr->dev;
int status, loaded;
uint32_t timeout = dcr->device->max_changer_wait;
- int drive = dcr->device->drive_index;
+ int drive = dcr->dev->drive_index;
+ POOL_MEM results(PM_MESSAGE);
+ POOLMEM *changer;
- results = get_pool_memory(PM_MESSAGE);
- changer = get_pool_memory(PM_FNAME);
+ if (!dev->is_autochanger()) {
+ return -1;
+ }
+ if (!dcr->device->changer_command) {
+ return -1;
+ }
- lock_changer(dcr);
+ if (dev->get_slot() > 0 && dev->has_cap(CAP_ALWAYSOPEN)) {
+ Dmsg1(dbglvl, "Return cached slot=%d\n", dev->get_slot());
+ return dev->get_slot();
+ }
+
+ /* Virtual disk autochanger */
+ if (dcr->is_virtual_autochanger()) {
+ return 1;
+ }
/* Find out what is loaded, zero means device is unloaded */
- Jmsg(jcr, M_INFO, 0, _("3301 Issuing autochanger \"loaded drive %d\" command.\n"),
- drive);
- changer = edit_device_codes(dcr, changer, "loaded");
- status = run_program(changer, timeout, results);
- Dmsg3(50, "run_prog: %s stat=%d result=%s", changer, status, results);
+ changer = get_pool_memory(PM_FNAME);
+ lock_changer(dcr);
+ /* Suppress info when polling */
+ if (!dev->poll && chk_dbglvl(1)) {
+ Jmsg(jcr, M_INFO, 0, _("3301 Issuing autochanger \"loaded? drive %d\" command.\n"),
+ drive);
+ }
+ changer = edit_device_codes(dcr, changer, dcr->device->changer_command, "loaded");
+ Dmsg1(dbglvl, "Run program=%s\n", changer);
+ status = run_program_full_output(changer, timeout, results.addr());
+ Dmsg3(dbglvl, "run_prog: %s stat=%d result=%s", changer, status, results.c_str());
if (status == 0) {
- loaded = atoi(results);
+ loaded = str_to_int32(results.c_str());
if (loaded > 0) {
- Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded drive %d\", result is Slot %d.\n"),
- drive, loaded);
+ /* Suppress info when polling */
+ if (!dev->poll && chk_dbglvl(1)) {
+ Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded? drive %d\", result is Slot %d.\n"),
+ drive, loaded);
+ }
+ dev->set_slot(loaded);
} else {
- Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded drive %d\", result: nothing loaded.\n"),
- drive);
+ /* Suppress info when polling */
+ if (!dev->poll && chk_dbglvl(1)) {
+ Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded? drive %d\", result: nothing loaded.\n"),
+ drive);
+ }
+ if (loaded == 0) { /* no slot loaded */
+ dev->set_slot(0);
+ } else { /* probably some error */
+ dev->clear_slot(); /* unknown */
+ }
}
} else {
berrno be;
be.set_errno(status);
- Jmsg(jcr, M_INFO, 0, _("3991 Bad autochanger \"loaded drive %d\" command: ERR=%s.\n"),
- drive, be.strerror());
- loaded = -1; /* force unload */
+ Jmsg(jcr, M_INFO, 0, _("3991 Bad autochanger \"loaded? drive %d\" command: "
+ "ERR=%s.\nResults=%s\n"), drive, be.bstrerror(), results.c_str());
+ Dmsg3(dbglvl, "Error: autochanger loaded? drive %d "
+ "ERR=%s.\nResults=%s\n", drive, be.bstrerror(), results.c_str());
+ loaded = -1; /* force unload */
+ dev->clear_slot(); /* slot unknown */
}
unlock_changer(dcr);
free_pool_memory(changer);
- free_pool_memory(results);
return loaded;
}
{
AUTOCHANGER *changer_res = dcr->device->changer_res;
if (changer_res) {
- Dmsg1(100, "Locking changer %s\n", changer_res->hdr.name);
- P(changer_res->changer_mutex); /* Lock changer script */
+ int errstat;
+ Dmsg1(dbglvl, "Locking changer %s\n", changer_res->hdr.name);
+ if ((errstat=rwl_writelock(&changer_res->changer_lock)) != 0) {
+ berrno be;
+ Jmsg(dcr->jcr, M_ERROR_TERM, 0, _("Lock failure on autochanger. ERR=%s\n"),
+ be.bstrerror(errstat));
+ }
}
}
{
AUTOCHANGER *changer_res = dcr->device->changer_res;
if (changer_res) {
- Dmsg1(100, "Unlocking changer %s\n", changer_res->hdr.name);
- V(changer_res->changer_mutex); /* Unlock changer script */
+ int errstat;
+ Dmsg1(dbglvl, "Unlocking changer %s\n", changer_res->hdr.name);
+ if ((errstat=rwl_writeunlock(&changer_res->changer_lock)) != 0) {
+ berrno be;
+ Jmsg(dcr->jcr, M_ERROR_TERM, 0, _("Unlock failure on autochanger. ERR=%s\n"),
+ be.bstrerror(errstat));
+ }
}
}
+/*
+ * Unload the volume, if any, in this drive
+ * On entry: loaded == 0 -- nothing to do
+ * loaded < 0 -- check if anything to do
+ * loaded > 0 -- load slot == loaded
+ */
+bool unload_autochanger(DCR *dcr, int loaded)
+{
+ DEVICE *dev = dcr->dev;
+ JCR *jcr = dcr->jcr;
+ const char *old_vol_name;
+ int slot;
+ uint32_t timeout = dcr->device->max_changer_wait;
+ bool ok = true;
+
+ if (loaded == 0) {
+ return true;
+ }
+
+ if (!dev->is_autochanger() || !dcr->device->changer_name ||
+ !dcr->device->changer_command) {
+ return false;
+ }
+
+ /* Virtual disk autochanger */
+ if (dcr->is_virtual_autochanger()) {
+ dev->clear_unload();
+ return true;
+ }
+
+ lock_changer(dcr);
+ if (dev->LoadedVolName[0]) {
+ old_vol_name = dev->LoadedVolName;
+ } else {
+ old_vol_name = "*Unknown*";
+ }
+ if (loaded < 0) {
+ loaded = get_autochanger_loaded_slot(dcr);
+ if (loaded < 0) { /* try again, maybe autochanger error */
+ loaded = get_autochanger_loaded_slot(dcr);
+ }
+ }
+
+ if (loaded > 0) {
+ POOL_MEM results(PM_MESSAGE);
+ POOLMEM *changer = get_pool_memory(PM_FNAME);
+ Jmsg(jcr, M_INFO, 0,
+ _("3307 Issuing autochanger \"unload Volume %s, Slot %d, Drive %d\" command.\n"),
+ old_vol_name, loaded, dev->drive_index);
+ Dmsg3(dbglvl,
+ "3307 Issuing autochanger \"unload Volume %s, Slot %d, Drive %d\" command.\n",
+ old_vol_name, loaded, dev->drive_index);
+ slot = dcr->VolCatInfo.Slot;
+ dcr->VolCatInfo.Slot = loaded;
+ changer = edit_device_codes(dcr, changer,
+ dcr->device->changer_command, "unload");
+ dev->close(dcr);
+ Dmsg1(dbglvl, "Run program=%s\n", changer);
+ int stat = run_program_full_output(changer, timeout, results.addr());
+ dcr->VolCatInfo.Slot = slot;
+ if (stat != 0) {
+ berrno be;
+ be.set_errno(stat);
+ Jmsg(jcr, M_INFO, 0, _("3995 Bad autochanger \"unload Volume %s, Slot %d, Drive %d\": "
+ "ERR=%s\nResults=%s\n"),
+ old_vol_name, loaded, dev->drive_index, be.bstrerror(), results.c_str());
+ Dmsg5(dbglvl, "Error: unload Volume %s, Slot %d, Drive %d, bad stats=%s.\nResults=%s\n",
+ old_vol_name, loaded, dev->drive_index,
+ be.bstrerror(), results.c_str());
+ ok = false;
+ dev->clear_slot(); /* unknown */
+ } else {
+ dev->set_slot(0); /* unload is OK, mark nothing loaded */
+ dev->clear_unload();
+ dev->LoadedVolName[0] = 0; /* clear loaded volume name */
+ }
+ free_pool_memory(changer);
+ }
+ unlock_changer(dcr);
+
+ if (ok) {
+ free_volume(dev);
+ }
+ return ok;
+}
/*
- * The Volume is not in the correct slot, so mark this
- * Volume as not being in the Changer.
+ * Unload the slot if mounted in a different drive
*/
-void mark_volume_not_inchanger(DCR *dcr)
+static bool unload_other_drive(DCR *dcr, int slot, bool writing)
+{
+ DEVICE *dev = NULL;
+ DEVICE *dev_save;
+ bool found = false;
+ AUTOCHANGER *changer = dcr->dev->device->changer_res;
+ DEVRES *device;
+ int retries = 0; /* wait for device retries */
+ int loaded;
+ int i;
+
+ if (!changer || !changer->device) {
+ return false;
+ }
+ if (changer->device->size() == 1) {
+ return true;
+ }
+
+ /*
+ * We look for the slot number corresponding to the tape
+ * we want in other drives, and if possible, unload
+ * it.
+ */
+ Dmsg1(dbglvl, "Begin wiffle through devices looking for slot=%d\n", slot);
+ /*
+ * foreach_alist(device, changer->device) {
+ *
+ * The above fails to loop through all devices. It is
+ * probably a compiler bug.
+ */
+ for (i=0; i < changer->device->size(); i++) {
+ device = (DEVRES *)changer->device->get(i);
+ dev = device->dev;
+ if (!dev) {
+ Dmsg0(dbglvl, "No dev attached to device\n");
+ continue;
+ }
+
+ dev_save = dcr->dev;
+ dcr->set_dev(dev);
+ loaded = get_autochanger_loaded_slot(dcr);
+ dcr->set_dev(dev_save);
+
+ if (loaded > 0) {
+ Dmsg4(dbglvl, "Want slot=%d, drive=%d loaded=%d dev=%s\n",
+ slot, dev->drive_index, loaded, dev->print_name());
+ if (loaded == slot) {
+ found = true;
+ break;
+ }
+ } else {
+ Dmsg4(dbglvl, "After slot=%d drive=%d loaded=%d dev=%s\n",
+ slot, dev->drive_index, loaded, dev->print_name());
+ }
+ }
+ Dmsg1(dbglvl, "End wiffle through devices looking for slot=%d\n", slot);
+ if (!found) {
+ Dmsg1(dbglvl, "Slot=%d not found in another device\n", slot);
+ return true;
+ } else {
+ Dmsg3(dbglvl, "Slot=%d drive=%d found in dev=%s\n", slot, dev->drive_index, dev->print_name());
+ }
+
+ /*
+ * The Volume we want is on another device.
+ * If we want the Volume to read it, and the other device where the
+ * Volume is currently is not open, we simply unload the Volume then
+ * then the subsequent code will load it in the desired drive.
+ * If want to write or the device is open, we attempt to wait for
+ * the Volume to become available.
+ */
+ if (writing || dev->is_open()) {
+ if (dev->is_busy()) {
+ Dmsg4(dbglvl, "Vol %s for dev=%s in use dev=%s slot=%d\n",
+ dcr->VolumeName, dcr->dev->print_name(),
+ dev->print_name(), slot);
+ }
+ for (int i=0; i < 3; i++) {
+ if (dev->is_busy()) {
+ Dmsg0(40, "Device is busy. Calling wait_for_device()\n");
+ wait_for_device(dcr, retries);
+ continue;
+ }
+ break;
+ }
+ if (dev->is_busy()) {
+ Jmsg(dcr->jcr, M_WARNING, 0, _("Volume \"%s\" wanted on %s is in use by device %s\n"),
+ dcr->VolumeName, dcr->dev->print_name(), dev->print_name());
+ Dmsg4(dbglvl, "Vol %s for dev=%s is busy dev=%s slot=%d\n",
+ dcr->VolumeName, dcr->dev->print_name(), dev->print_name(), dev->get_slot());
+ Dmsg2(dbglvl, "num_writ=%d reserv=%d\n", dev->num_writers, dev->num_reserved());
+ volume_unused(dcr);
+ return false;
+ }
+ }
+ return unload_dev(dcr, dev);
+}
+
+/*
+ * Unconditionally unload a specified drive
+ */
+bool unload_dev(DCR *dcr, DEVICE *dev)
{
JCR *jcr = dcr->jcr;
- DEVICE *dev = dcr->dev;
- Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n"
-" Setting InChanger to zero in catalog.\n"),
- dcr->VolCatInfo.VolCatName, dcr->VolCatInfo.Slot);
- dcr->VolCatInfo.InChanger = false;
- dev->VolCatInfo.InChanger = false;
- Dmsg0(400, "update vol info in mount\n");
- dir_update_volume_info(dcr, true); /* set new status */
+ bool ok = true;
+ uint32_t timeout = dcr->device->max_changer_wait;
+ AUTOCHANGER *changer = dcr->dev->device->changer_res;
+ const char *old_vol_name = dcr->VolumeName;
+ DEVICE *save_dev;
+ int save_slot;
+
+ if (!changer) {
+ return false;
+ }
+
+ save_dev = dcr->dev; /* save dcr device */
+ dcr->set_dev(dev); /* temporarily point dcr at other device */
+
+ get_autochanger_loaded_slot(dcr);
+
+ /* Fail if we have no slot to unload */
+ if (dev->get_slot() <= 0) {
+ if (dev->get_slot() < 0) {
+ Dmsg1(dbglvl, "Cannot unload, slot not defined. dev=%s\n",
+ dev->print_name());
+ }
+ dcr->set_dev(save_dev);
+ return false;
+ }
+
+ save_slot = dcr->VolCatInfo.Slot;
+ dcr->VolCatInfo.Slot = dev->get_slot();
+
+ POOLMEM *changer_cmd = get_pool_memory(PM_FNAME);
+ POOL_MEM results(PM_MESSAGE);
+ if (old_vol_name[0] == 0) {
+ if (dev->LoadedVolName[0]) {
+ old_vol_name = dev->LoadedVolName;
+ } else {
+ old_vol_name = "*Unknown*";
+ }
+ }
+ lock_changer(dcr);
+ Jmsg(jcr, M_INFO, 0,
+ _("3307 Issuing autochanger \"unload Volume %s, Slot %d, Drive %d\" command.\n"),
+ old_vol_name, dev->get_slot(), dev->drive_index);
+ Dmsg3(0/*dbglvl*/, "Issuing autochanger \"unload Volume %s, Slot %d, Drive %d\" command.\n",
+ old_vol_name, dev->get_slot(), dev->drive_index);
+
+ changer_cmd = edit_device_codes(dcr, changer_cmd,
+ dcr->device->changer_command, "unload");
+ dev->close(dcr);
+ Dmsg2(dbglvl, "close dev=%s reserve=%d\n", dev->print_name(),
+ dev->num_reserved());
+ Dmsg1(dbglvl, "Run program=%s\n", changer_cmd);
+ int stat = run_program_full_output(changer_cmd, timeout, results.addr());
+ dcr->VolCatInfo.Slot = save_slot;
+ if (stat != 0) {
+ berrno be;
+ be.set_errno(stat);
+ Jmsg(jcr, M_INFO, 0, _("3997 Bad autochanger \"unload Volume %s, Slot %d, Drive %d\": ERR=%s.\n"),
+ old_vol_name, dev->get_slot(), dev->drive_index, be.bstrerror());
+ Dmsg5(dbglvl, "Error: unload Volume %s, Slot %d, Drive %d bad stats=%s.\nResults=%s\n",
+ old_vol_name, dev->get_slot(), dev->drive_index,
+ be.bstrerror(), results.c_str());
+ ok = false;
+ dev->clear_slot(); /* unknown */
+ } else {
+ Dmsg3(dbglvl, "Volume %s, Slot %d unloaded %s\n",
+ old_vol_name, dev->get_slot(), dev->print_name());
+ dev->set_slot(0); /* unload OK, mark nothing loaded */
+ dev->clear_unload();
+ dev->LoadedVolName[0] = 0;
+ }
+ unlock_changer(dcr);
+
+ if (ok) {
+ free_volume(dev);
+ }
+ dcr->set_dev(save_dev);
+ free_pool_memory(changer_cmd);
+ return ok;
}
+
+
/*
* List the Volumes that are in the autoloader possibly
* with their barcodes.
* We assume that it is always the Console that is calling us.
*/
-bool autochanger_cmd(DCR *dcr, BSOCK *dir, const char *cmd)
+bool autochanger_cmd(DCR *dcr, BSOCK *dir, const char *cmd)
{
DEVICE *dev = dcr->dev;
- JCR *jcr = dcr->jcr;
uint32_t timeout = dcr->device->max_changer_wait;
POOLMEM *changer;
BPIPE *bpipe;
- int slot, loaded;
int len = sizeof_pool_memory(dir->msg) - 1;
- bool ok = false;
int stat;
- if (!dev_cap(dev, CAP_AUTOCHANGER) || !dcr->device->changer_name ||
+ if (!dev->is_autochanger() || !dcr->device->changer_name ||
!dcr->device->changer_command) {
- bnet_fsend(dir, _("3993 Not a autochanger device.\n"));
+ if (strcasecmp(cmd, "drives") == 0) {
+ dir->fsend("drives=1\n");
+ }
+ dir->fsend(_("3993 Device %s not an autochanger device.\n"),
+ dev->print_name());
return false;
}
- changer = get_pool_memory(PM_FNAME);
- /* List command? */
- if (strcmp(cmd, "list") == 0) {
- int drive = dev->device->drive_index;
- /* Yes, to get a good listing, we unload any volumes */
- offline_or_rewind_dev(dev);
- /* We are going to load a new tape, so close the device */
- force_close_dev(dev);
-
- /* First unload any tape */
- loaded = get_autochanger_loaded_slot(dcr);
- if (loaded > 0) {
- bnet_fsend(dir,
- _("3305 Issuing autochanger \"unload slot %d, drive %d\" command.\n"),
- loaded, drive);
- slot = dcr->VolCatInfo.Slot;
- dcr->VolCatInfo.Slot = loaded;
- changer = edit_device_codes(dcr, changer, "unload");
- lock_changer(dcr);
- int stat = run_program(changer, timeout, NULL);
- unlock_changer(dcr);
- if (stat != 0) {
- berrno be;
- be.set_errno(stat);
- Jmsg(jcr, M_INFO, 0, _("3995 Bad autochanger \"unload slot %d, drive %d\": ERR=%s.\n"),
- slot, drive, be.strerror());
- }
- dcr->VolCatInfo.Slot = slot;
+ if (strcasecmp(cmd, "drives") == 0) {
+ AUTOCHANGER *changer_res = dcr->device->changer_res;
+ int drives = 1;
+ if (changer_res && changer_res->device) {
+ drives = changer_res->device->size();
}
+ dir->fsend("drives=%d\n", drives);
+ Dmsg1(dbglvl, "drives=%d\n", drives);
+ return true;
}
- /* Now issue the command */
- changer = edit_device_codes(dcr, changer, cmd);
- bnet_fsend(dir, _("3306 Issuing autochanger \"%s\" command.\n"), cmd);
+ /* If listing, reprobe changer */
+ if (bstrcasecmp(cmd, "list") || bstrcasecmp(cmd, "listall")) {
+ dcr->dev->set_slot(0);
+ get_autochanger_loaded_slot(dcr);
+ }
+
+ changer = get_pool_memory(PM_FNAME);
lock_changer(dcr);
+ /* Now issue the command */
+ changer = edit_device_codes(dcr, changer,
+ dcr->device->changer_command, cmd);
+ dir->fsend(_("3306 Issuing autochanger \"%s\" command.\n"), cmd);
bpipe = open_bpipe(changer, timeout, "r");
if (!bpipe) {
- unlock_changer(dcr);
- bnet_fsend(dir, _("3993 Open bpipe failed.\n"));
- goto bail_out;
+ dir->fsend(_("3996 Open bpipe failed.\n"));
+ goto bail_out; /* TODO: check if we need to return false */
}
- if (strcmp(cmd, "list") == 0) {
+ if (bstrcasecmp(cmd, "list") || bstrcasecmp(cmd, "listall")) {
/* Get output from changer */
while (fgets(dir->msg, len, bpipe->rfd)) {
- dir->msglen = strlen(dir->msg);
- Dmsg1(100, "<stored: %s\n", dir->msg);
- bnet_send(dir);
+ dir->msglen = strlen(dir->msg);
+ Dmsg1(dbglvl, "<stored: %s\n", dir->msg);
+ dir->send();
}
- } else {
+ } else if (strcasecmp(cmd, "slots") == 0 ) {
+ char buf[100], *p;
/* For slots command, read a single line */
- bstrncpy(dir->msg, "slots=", len);
- fgets(dir->msg+6, len-6, bpipe->rfd);
- dir->msglen = strlen(dir->msg);
- Dmsg1(100, "<stored: %s", dir->msg);
- bnet_send(dir);
+ buf[0] = 0;
+ fgets(buf, sizeof(buf)-1, bpipe->rfd);
+ buf[sizeof(buf)-1] = 0;
+ /* Strip any leading space in front of # of slots */
+ for (p=buf; B_ISSPACE(*p); p++)
+ { }
+ dir->fsend("slots=%s", p);
+ Dmsg1(dbglvl, "<stored: %s", dir->msg);
}
-
+
stat = close_bpipe(bpipe);
- unlock_changer(dcr);
if (stat != 0) {
berrno be;
be.set_errno(stat);
- bnet_fsend(dir, "Autochanger error: ERR=%s\n", be.strerror());
+ dir->fsend(_("Autochanger error: ERR=%s\n"), be.bstrerror());
}
- bnet_sig(dir, BNET_EOD);
- ok = true;
bail_out:
+ unlock_changer(dcr);
free_pool_memory(changer);
return true;
}
* %d = changer drive index
* %f = Client's name
* %j = Job name
+ * %l = archive control channel name
* %o = command
* %s = Slot base 0
* %S = Slot base 1
* cmd = command string (load, unload, ...)
*
*/
-char *edit_device_codes(DCR *dcr, char *omsg, const char *cmd)
+char *edit_device_codes(DCR *dcr, char *omsg, const char *imsg, const char *cmd)
{
const char *p;
const char *str;
char add[20];
- const char *imsg = dcr->device->changer_command;
*omsg = 0;
Dmsg1(1800, "edit_device_codes: %s\n", imsg);
for (p=imsg; *p; p++) {
if (*p == '%') {
- switch (*++p) {
+ switch (*++p) {
case '%':
str = "%";
- break;
+ break;
case 'a':
- str = dcr->dev->archive_name();
- break;
+ str = dcr->dev->archive_name();
+ break;
case 'c':
- str = NPRT(dcr->device->changer_name);
- break;
+ str = NPRT(dcr->device->changer_name);
+ break;
+ case 'l':
+ str = NPRT(dcr->device->control_name);
+ break;
case 'd':
sprintf(add, "%d", dcr->dev->drive_index);
- str = add;
- break;
+ str = add;
+ break;
case 'o':
- str = NPRT(cmd);
- break;
+ str = NPRT(cmd);
+ break;
case 's':
sprintf(add, "%d", dcr->VolCatInfo.Slot - 1);
- str = add;
- break;
+ str = add;
+ break;
case 'S':
sprintf(add, "%d", dcr->VolCatInfo.Slot);
- str = add;
- break;
+ str = add;
+ break;
case 'j': /* Job name */
- str = dcr->jcr->Job;
- break;
+ str = dcr->jcr->Job;
+ break;
case 'v':
- str = NPRT(dcr->VolumeName);
- break;
+ if (dcr->VolCatInfo.VolCatName[0]) {
+ str = dcr->VolCatInfo.VolCatName;
+ } else if (dcr->VolumeName[0]) {
+ str = dcr->VolumeName;
+ } else if (dcr->dev->vol && dcr->dev->vol->vol_name) {
+ str = dcr->dev->vol->vol_name;
+ } else {
+ str = dcr->dev->VolHdr.VolumeName;
+ }
+ break;
case 'f':
- str = NPRT(dcr->jcr->client_name);
- break;
+ str = NPRT(dcr->jcr->client_name);
+ break;
- default:
+ default:
add[0] = '%';
- add[1] = *p;
- add[2] = 0;
- str = add;
- break;
- }
+ add[1] = *p;
+ add[2] = 0;
+ str = add;
+ break;
+ }
} else {
- add[0] = *p;
- add[1] = 0;
- str = add;
+ add[0] = *p;
+ add[1] = 0;
+ str = add;
}
Dmsg1(1900, "add_str %s\n", str);
pm_strcat(&omsg, (char *)str);
projects / bacula / bacula / blobdiff