/*
- *
- * Routines for handling the autochanger.
- *
- * Kern Sibbald, August MMII
- *
- * Version $Id$
- */
-/*
- Copyright (C) 2000-2003 Kern Sibbald and John Walker
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2002-2011 Free Software Foundation Europe e.V.
- 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.
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version three of the GNU Affero General Public
+ License as published by the Free Software Foundation and included
+ in the file LICENSE.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ 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.
- 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 should have received a copy of the GNU Affero General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+ Bacula® is a registered trademark of Kern Sibbald.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
+/*
+ *
+ * Routines for handling the autochanger.
+ *
+ * Kern Sibbald, August MMII
+ *
*/
#include "bacula.h" /* pull in global headers */
#include "stored.h" /* pull in Storage Deamon headers */
/* Forward referenced functions */
-static char *edit_device_codes(JCR *jcr, char *omsg, char *imsg, char *cmd);
+static void lock_changer(DCR *dcr);
+static void unlock_changer(DCR *dcr);
+static bool unload_other_drive(DCR *dcr, int slot);
+
+/* 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;
+ }
+
+#ifdef xxx_needed
+ if (media_type == NULL) {
+ media_type = device->media_type; /* get Media Type of first device */
+ continue;
+ }
+ /* Ensure that other devices Media Types are the same */
+ if (strcmp(media_type, device->media_type) != 0) {
+ Jmsg(NULL, M_ERROR, 0,
+ _("Media Type not the same for all devices in changer %s. Cannot continue.\n"),
+ changer->hdr.name);
+ OK = false;
+ continue;
+ }
+#endif
+ }
+ }
+ return OK;
+}
/*
* On success this routine loads the indicated tape, but the
* label is not read, so it must be verified.
*
- * Note if dir is not NULL, it is the console requesting the
+ * Note if dir is not NULL, it is the console requesting the
* autoload for labeling, so we respond directly to the
* dir bsock.
*
* Returns: 1 on success
- * 0 on failure
+ * 0 on failure (no changer available)
+ * -1 on error on autochanger
*/
-int autoload_device(JCR *jcr, DEVICE *dev, int writing, BSOCK *dir)
+int autoload_device(DCR *dcr, int writing, BSOCK *dir)
{
- int slot = jcr->VolCatInfo.Slot;
- int rtn_stat = 0;
-
+ JCR *jcr = dcr->jcr;
+ DEVICE * volatile dev = dcr->dev;
+ int slot;
+ int drive = dev->drive_index;
+ int rtn_stat = -1; /* error status */
+ POOLMEM *changer;
+
+ if (!dev->is_autochanger()) {
+ Dmsg1(100, "Device %s is not an autochanger\n", dev->print_name());
+ return 0;
+ }
+
+ /* An empty ChangerCommand => virtual disk autochanger */
+ if (dcr->device->changer_command && dcr->device->changer_command[0] == 0) {
+ Dmsg0(100, "ChangerCommand=0, virtual disk changer\n");
+ return 1; /* nothing to load */
+ }
+
+ slot = dcr->VolCatInfo.InChanger ? dcr->VolCatInfo.Slot : 0;
+ Dmsg3(100, "autoload: slot=%d InChgr=%d Vol=%s\n", dcr->VolCatInfo.Slot,
+ dcr->VolCatInfo.InChanger, dcr->getVolCatName());
/*
- * 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 */
}
- if (dir_find_next_appendable_volume(jcr)) {
- slot = jcr->VolCatInfo.Slot;
+ /* ***FIXME*** this really should not be here */
+ if (dir_find_next_appendable_volume(dcr)) {
+ slot = dcr->VolCatInfo.InChanger ? dcr->VolCatInfo.Slot : 0;
+ } else {
+ slot = 0;
}
}
- Dmsg1(100, "Want changer slot=%d\n", slot);
+ Dmsg1(400, "Want changer slot=%d\n", slot);
+
+ changer = get_pool_memory(PM_FNAME);
+ 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 */
- if (slot > 0 && jcr->device->changer_name && jcr->device->changer_command) {
- uint32_t timeout = jcr->device->max_changer_wait;
- POOLMEM *changer, *results;
- int status, loaded;
+ uint32_t timeout = dcr->device->max_changer_wait;
+ int loaded, status;
- results = get_pool_memory(PM_MESSAGE);
- changer = get_pool_memory(PM_FNAME);
+ loaded = get_autochanger_loaded_slot(dcr);
- /* Find out what is loaded, zero means device is unloaded */
- Jmsg(jcr, M_INFO, 0, _("3301 Issuing autochanger \"loaded\" command.\n"));
- changer = edit_device_codes(jcr, changer, jcr->device->changer_command,
- "loaded");
- status = run_program(changer, timeout, results);
- Dmsg3(100, "run_prog: %s stat=%d result=%s\n", changer, status, results);
- if (status == 0) {
- loaded = atoi(results);
- } else {
- Jmsg(jcr, M_INFO, 0, _("3991 Bad autochanger \"load slot\" status=%d.\n"), status);
- loaded = -1; /* force unload */
- }
- Dmsg1(100, "loaded=%s\n", results);
-
- /* If bad status or tape we want is not loaded, load it. */
- if (status != 0 || loaded != slot) {
- offline_or_rewind_dev(dev);
- /* We are going to load a new tape, so close the device */
- force_close_dev(dev);
- if (loaded != 0) { /* must unload drive */
- Dmsg0(100, "Doing changer unload.\n");
- Jmsg(jcr, M_INFO, 0, _("3302 Issuing autochanger \"unload\" command.\n"));
- changer = edit_device_codes(jcr, changer,
- jcr->device->changer_command, "unload");
- status = run_program(changer, timeout, NULL);
- Dmsg1(100, "unload status=%d\n", status);
- }
- /*
- * Load the desired cassette
- */
- Dmsg1(100, "Doing changer load slot %d\n", slot);
- Jmsg(jcr, M_INFO, 0, _("3303 Issuing autochanger \"load slot %d\" command.\n"),
- slot);
- changer = edit_device_codes(jcr, changer,
- jcr->device->changer_command, "load");
- status = run_program(changer, timeout, NULL);
- if (status == 0) {
- Jmsg(jcr, M_INFO, 0, _("3304 Autochanger \"load slot %d\" status is OK.\n"),
- slot);
- } else {
- Jmsg(jcr, M_INFO, 0, _("3992 Bad autochanger \"load slot\" status=%d.\n"),
- status);
- }
+ if (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)) {
+ goto bail_out;
+ }
+
+ /*
+ * Load the desired cassette
+ */
+ lock_changer(dcr);
+ Dmsg2(100, "Doing changer load slot %d %s\n", slot, dev->print_name());
+ 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, dcr->device->changer_command, "load");
+ dev->close();
+ Dmsg1(200, "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 slot %d, drive %d\", status is OK.\n"),
+ slot, drive);
+ Dmsg2(100, "load slot %d, drive %d, status is OK.\n", slot, drive);
+ dev->set_slot(slot); /* set currently loaded slot */
+ } else {
+ berrno be;
+ be.set_errno(status);
+ Dmsg3(100, "load slot %d, drive %d, bad stats=%s.\n", slot, drive,
+ be.bstrerror());
+ Jmsg(jcr, M_FATAL, 0, _("3992 Bad autochanger \"load slot %d, drive %d\": "
+ "ERR=%s.\nResults=%s\n"),
+ slot, drive, be.bstrerror(), results.c_str());
+ rtn_stat = -1; /* hard error */
+ dev->set_slot(-1); /* mark unknown */
+ }
Dmsg2(100, "load slot %d status=%d\n", slot, status);
+ unlock_changer(dcr);
+ } else {
+ status = 0; /* we got what we want */
+ dev->set_slot(slot); /* set currently loaded slot */
}
- free_pool_memory(changer);
- free_pool_memory(results);
Dmsg1(100, "After changer, status=%d\n", status);
- if (status == 0) { /* did we succeed? */
- rtn_stat = 1; /* tape loaded by changer */
+ if (status == 0) { /* did we succeed? */
+ rtn_stat = 1; /* tape loaded by changer */
}
}
+ free_pool_memory(changer);
return rtn_stat;
+
+bail_out:
+ free_pool_memory(changer);
+ return -1;
+
+}
+
+/*
+ * 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;
+ DEVICE *dev = dcr->dev;
+ int status, loaded;
+ uint32_t timeout = dcr->device->max_changer_wait;
+ int drive = dcr->dev->drive_index;
+ POOL_MEM results(PM_MESSAGE);
+ POOLMEM *changer;
+
+ if (!dev->is_autochanger()) {
+ return -1;
+ }
+ if (!dcr->device->changer_command) {
+// Jmsg(jcr, M_FATAL, 0, _("3992 Missing Changer command.\n"));
+ return -1;
+ }
+ if (dev->get_slot() > 0) {
+ return dev->get_slot();
+ }
+
+ /* Virtual disk autochanger */
+ if (dcr->device->changer_command[0] == 0) {
+ return 1;
+ }
+
+ /* Find out what is loaded, zero means device is unloaded */
+ changer = get_pool_memory(PM_FNAME);
+ lock_changer(dcr);
+ /* Suppress info when polling */
+ if (!dev->poll) {
+ 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(100, "Run program=%s\n", changer);
+ status = run_program_full_output(changer, timeout, results.addr());
+ Dmsg3(100, "run_prog: %s stat=%d result=%s", changer, status, results.c_str());
+ if (status == 0) {
+ loaded = str_to_int32(results.c_str());
+ if (loaded > 0) {
+ /* Suppress info when polling */
+ if (!dev->poll) {
+ Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded? drive %d\", result is Slot %d.\n"),
+ drive, loaded);
+ }
+ dev->set_slot(loaded);
+ } else {
+ /* Suppress info when polling */
+ if (!dev->poll) {
+ 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.\nResults=%s\n"), drive, be.bstrerror(), results.c_str());
+ loaded = -1; /* force unload */
+ }
+ unlock_changer(dcr);
+ free_pool_memory(changer);
+ return loaded;
+}
+
+static void lock_changer(DCR *dcr)
+{
+ AUTOCHANGER *changer_res = dcr->device->changer_res;
+ if (changer_res) {
+ int errstat;
+ Dmsg1(200, "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));
+ }
+ }
}
-void invalidate_slot_in_catalog(JCR *jcr)
+static void unlock_changer(DCR *dcr)
{
- Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n"
-" Setting slot to zero in catalog.\n"),
- jcr->VolCatInfo.VolCatName, jcr->VolCatInfo.Slot);
- jcr->VolCatInfo.Slot = 0; /* invalidate slot */
- Dmsg0(200, "update vol info in mount\n");
- dir_update_volume_info(jcr, &jcr->VolCatInfo, 1); /* set slot */
+ AUTOCHANGER *changer_res = dcr->device->changer_res;
+ if (changer_res) {
+ int errstat;
+ Dmsg1(200, "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;
+ 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->device->changer_command[0] == 0) {
+ dev->clear_unload();
+ return true;
+ }
+
+ lock_changer(dcr);
+ if (loaded < 0) {
+ 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 slot %d, drive %d\" command.\n"),
+ 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();
+ Dmsg1(100, "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 slot %d, drive %d\": "
+ "ERR=%s\nResults=%s\n"),
+ loaded, dev->drive_index, be.bstrerror(), results.c_str());
+ ok = false;
+ dev->clear_slot(); /* unknown */
+ } else {
+ dev->set_slot(0); /* nothing loaded */
+ }
+
+ free_volume(dev); /* Free any volume associated with this drive */
+ free_pool_memory(changer);
+ }
+ unlock_changer(dcr);
+ if (ok) {
+ dev->clear_unload();
+ }
+ return ok;
+}
+
+/*
+ * Unload the slot if mounted in a different drive
+ */
+static bool unload_other_drive(DCR *dcr, int slot)
+{
+ DEVICE *dev = NULL;
+ bool found = false;
+ AUTOCHANGER *changer = dcr->dev->device->changer_res;
+ DEVRES *device;
+ int retries = 0; /* wait for device retries */
+
+ if (!changer) {
+ return false;
+ }
+ if (changer->device->size() == 1) {
+ return true;
+ }
+
+ foreach_alist(device, changer->device) {
+ if (device->dev && device->dev->get_slot() == slot) {
+ found = true;
+ dev = device->dev;
+ break;
+ }
+ }
+ if (!found) {
+ return true;
+ }
+
+ /* The Volume we want is on another device. */
+ if (dev->is_busy()) {
+ Dmsg4(100, "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()) {
+ wait_for_device(dcr->jcr, 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(100, "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(100, "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;
+ bool ok = true;
+ uint32_t timeout = dcr->device->max_changer_wait;
+ AUTOCHANGER *changer = dcr->dev->device->changer_res;
+ DEVICE *save_dev;
+ int save_slot;
+
+ if (!changer) {
+ return false;
+ }
+
+ save_dev = dcr->dev; /* save dcr device */
+ dcr->dev = dev; /* temporarily point dcr at other device */
+
+ if (dev->get_slot() <= 0 && get_autochanger_loaded_slot(dcr) <= 0) {
+ dcr->dev = save_dev;
+ return false;
+ }
+ save_slot = dcr->VolCatInfo.Slot;
+ dcr->VolCatInfo.Slot = dev->get_slot();
+
+// dev->dlock();
+
+ POOLMEM *changer_cmd = get_pool_memory(PM_FNAME);
+ POOL_MEM results(PM_MESSAGE);
+ lock_changer(dcr);
+ Jmsg(jcr, M_INFO, 0,
+ _("3307 Issuing autochanger \"unload slot %d, drive %d\" command.\n"),
+ dev->get_slot(), dev->drive_index);
+
+ Dmsg2(100, "Issuing autochanger \"unload slot %d, drive %d\" command.\n",
+ dev->get_slot(), dev->drive_index);
+
+ changer_cmd = edit_device_codes(dcr, changer_cmd,
+ dcr->device->changer_command, "unload");
+ dev->close();
+ Dmsg2(200, "close dev=%s reserve=%d\n", dev->print_name(),
+ dev->num_reserved());
+ Dmsg1(100, "Run program=%s\n", changer_cmd);
+ int stat = run_program_full_output(changer_cmd, timeout, results.addr());
+ dcr->VolCatInfo.Slot = save_slot;
+ dcr->dev = save_dev;
+ 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"),
+ dev->get_slot(), dev->drive_index, be.bstrerror());
+
+ Dmsg3(100, "Bad autochanger \"unload slot %d, drive %d\": ERR=%s.\n",
+ dev->get_slot(), dev->drive_index, be.bstrerror());
+ ok = false;
+ dev->clear_slot(); /* unknown */
+ } else {
+ Dmsg2(100, "Slot %d unloaded %s\n", dev->get_slot(), dev->print_name());
+ dev->set_slot(0); /* nothing loaded */
+ }
+ if (ok) {
+ dev->clear_unload();
+ }
+ unlock_changer(dcr);
+
+// dev->dunlock();
+
+ free_volume(dev); /* Free any volume associated with this drive */
+ 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.
*/
-int autochanger_list(JCR *jcr, DEVICE *dev, BSOCK *dir)
+bool autochanger_cmd(DCR *dcr, BSOCK *dir, const char *cmd)
{
- uint32_t timeout = jcr->device->max_changer_wait;
+ DEVICE *dev = dcr->dev;
+ uint32_t timeout = dcr->device->max_changer_wait;
POOLMEM *changer;
BPIPE *bpipe;
int len = sizeof_pool_memory(dir->msg) - 1;
+ int stat;
- if (!dev_cap(dev, CAP_AUTOCHANGER) || !jcr->device->changer_name ||
- !jcr->device->changer_command) {
- bnet_fsend(dir, _("3993 Not a autochanger device.\n"));
- return 0;
+ if (!dev->is_autochanger() || !dcr->device->changer_name ||
+ !dcr->device->changer_command) {
+ if (strcmp(cmd, "drives") == 0) {
+ dir->fsend("drives=1\n");
+ }
+ dir->fsend(_("3993 Device %s not an autochanger device.\n"),
+ dev->print_name());
+ return false;
+ }
+
+ if (strcmp(cmd, "drives") == 0) {
+ AUTOCHANGER *changer_res = dcr->device->changer_res;
+ int drives = 1;
+ if (changer_res) {
+ drives = changer_res->device->size();
+ }
+ dir->fsend("drives=%d\n", drives);
+ Dmsg1(100, "drives=%d\n", drives);
+ return true;
}
changer = get_pool_memory(PM_FNAME);
- 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 */
- bnet_fsend(dir, _("3305 Issuing autochanger \"unload\" command.\n"));
- changer = edit_device_codes(jcr, changer, jcr->device->changer_command, "unload");
- run_program(changer, timeout, NULL);
-
- /* Now list slots occupied */
- changer = edit_device_codes(jcr, changer, jcr->device->changer_command, "list");
- bnet_fsend(dir, _("3306 Issuing autochanger \"list\" command.\n"));
+ 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) {
- 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 */
}
- /* Get output from changer */
- while (fgets(dir->msg, len, bpipe->rfd)) {
- dir->msglen = strlen(dir->msg);
- bnet_send(dir);
+ if (bstrcmp(cmd, "list") || bstrcmp(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);
+ }
+ } else if (strcmp(cmd, "slots") == 0 ) {
+ char buf[100], *p;
+ /* For slots command, read a single line */
+ 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(100, "<stored: %s", dir->msg);
+ }
+
+ stat = close_bpipe(bpipe);
+ if (stat != 0) {
+ berrno be;
+ be.set_errno(stat);
+ dir->fsend(_("Autochanger error: ERR=%s\n"), be.bstrerror());
}
bnet_sig(dir, BNET_EOD);
- close_bpipe(bpipe);
bail_out:
+ unlock_changer(dcr);
free_pool_memory(changer);
- return 1;
+ return true;
}
-
/*
* Edit codes into ChangerCommand
* %% = %
* %a = archive device name
* %c = changer device name
+ * %d = changer drive index
* %f = Client's name
* %j = Job name
* %o = command
*
* omsg = edited output message
* imsg = input string containing edit codes (%x)
- * cmd = command string (load, unload, ...)
+ * cmd = command string (load, unload, ...)
*
*/
-static char *edit_device_codes(JCR *jcr, char *omsg, char *imsg, char *cmd)
+char *edit_device_codes(DCR *dcr, char *omsg, const char *imsg, const char *cmd)
{
- char *p;
+ const char *p;
const char *str;
char add[20];
*omsg = 0;
- Dmsg1(200, "edit_device_codes: %s\n", imsg);
+ 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 = jcr->device->dev->dev_name;
- break;
+ str = dcr->dev->archive_name();
+ break;
case 'c':
- str = NPRT(jcr->device->changer_name);
- break;
+ str = NPRT(dcr->device->changer_name);
+ break;
+ case 'd':
+ sprintf(add, "%d", dcr->dev->drive_index);
+ str = add;
+ break;
case 'o':
- str = NPRT(cmd);
- break;
+ str = NPRT(cmd);
+ break;
case 's':
- sprintf(add, "%d", jcr->VolCatInfo.Slot - 1);
- str = add;
- break;
+ sprintf(add, "%d", dcr->VolCatInfo.Slot - 1);
+ str = add;
+ break;
case 'S':
- sprintf(add, "%d", jcr->VolCatInfo.Slot);
- str = add;
- break;
+ sprintf(add, "%d", dcr->VolCatInfo.Slot);
+ str = add;
+ break;
case 'j': /* Job name */
- str = jcr->Job;
- break;
+ str = dcr->jcr->Job;
+ break;
case 'v':
- str = NPRT(jcr->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(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(200, "add_str %s\n", str);
+ Dmsg1(1900, "add_str %s\n", str);
pm_strcat(&omsg, (char *)str);
- Dmsg1(200, "omsg=%s\n", omsg);
+ Dmsg1(1800, "omsg=%s\n", omsg);
}
+ Dmsg1(800, "omsg=%s\n", omsg);
return omsg;
}