* Routines for handling the autochanger.
*
* Kern Sibbald, August MMII
- *
+ *
* Version $Id$
*/
/*
- Copyright (C) 2000-2004 Kern Sibbald and John Walker
+ Copyright (C) 2002-2005 Kern Sibbald
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.
+ modify it under the terms of the GNU General Public License
+ version 2 as amended with additional clauses defined in the
+ file LICENSE in the main source directory.
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.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ the file LICENSE for additional details.
*/
#include "stored.h" /* pull in Storage Deamon headers */
/* 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);
/*
* 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)
{
DEVICE *dev = dcr->dev;
int slot;
int drive = dev->device->drive_index;
- int rtn_stat = -1; /* error status */
+ int rtn_stat = -1; /* error status */
+ POOLMEM *changer;
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 && dev->is_autochanger() && 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(dcr)) {
- slot = dcr->VolCatInfo.InChanger ? dcr->VolCatInfo.Slot : 0;
+ slot = dcr->VolCatInfo.InChanger ? dcr->VolCatInfo.Slot : 0;
} else {
- slot = 0;
+ slot = 0;
}
}
Dmsg1(400, "Want changer slot=%d\n", slot);
+ changer = get_pool_memory(PM_FNAME);
if (slot > 0 && dcr->device->changer_name && dcr->device->changer_command) {
uint32_t timeout = dcr->device->max_changer_wait;
- POOLMEM *changer;
int loaded, status;
- changer = get_pool_memory(PM_FNAME);
-
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);
- if (loaded != 0 && loaded != -1) { /* must unload drive */
+ offline_or_rewind_dev(dev);
+ /* We are going to load a new tape, so close the device */
+ force_close_device(dev);
+ lock_changer(dcr);
+ if (loaded != 0 && loaded != -1) { /* must unload drive */
Dmsg0(400, "Doing changer unload.\n");
- Jmsg(jcr, M_INFO, 0,
+ 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_INFO, 0, _("3992 Bad autochanger \"unload slot %d, drive %d\": ERR=%s.\n"),
- slot, drive, be.strerror());
- }
-
+ loaded, drive);
+ dcr->VolCatInfo.Slot = loaded; /* slot to be unloaded */
+ changer = edit_device_codes(dcr, changer,
+ dcr->device->changer_command, "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;
+ } else {
+ dev->Slot = 0; /* nothing loaded now */
+ }
Dmsg1(400, "unload status=%d\n", status);
- }
- /*
- * Load the desired cassette
- */
+ }
+ /*
+ * Load the desired cassette
+ */
Dmsg1(400, "Doing changer load slot %d\n", slot);
- Jmsg(jcr, M_INFO, 0,
+ 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) {
+ slot, drive);
+ dcr->VolCatInfo.Slot = slot; /* slot to be loaded */
+ changer = edit_device_codes(dcr, changer,
+ dcr->device->changer_command, "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_INFO, 0, _("3992 Bad autochanger \"load slot %d, drive %d\": ERR=%s.\n"),
- slot, drive, be.strerror());
- }
+ slot, drive);
+ dev->Slot = slot; /* set currently loaded slot */
+ } 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);
} else {
- status = 0; /* we got what we want */
+ status = 0; /* we got what we want */
+ dev->Slot = slot; /* set currently loaded slot */
}
- free_pool_memory(changer);
Dmsg1(400, "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 */
}
} else {
- rtn_stat = 0; /* no changer found */
+ 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
+ */
+int get_autochanger_loaded_slot(DCR *dcr)
{
JCR *jcr = dcr->jcr;
POOLMEM *changer, *results;
int status, loaded;
uint32_t timeout = dcr->device->max_changer_wait;
- int drive = dcr->device->drive_index;
+ int drive = dcr->dev->drive_index;
results = get_pool_memory(PM_MESSAGE);
changer = get_pool_memory(PM_FNAME);
+ lock_changer(dcr);
+
/* 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");
+ drive);
+ changer = edit_device_codes(dcr, changer, dcr->device->changer_command, "loaded");
+ *results = 0;
status = run_program(changer, timeout, results);
Dmsg3(50, "run_prog: %s stat=%d result=%s\n", changer, status, results);
if (status == 0) {
loaded = atoi(results);
if (loaded > 0) {
Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded drive %d\", result is Slot %d.\n"),
- drive, loaded);
+ drive, loaded);
+ dcr->dev->Slot = loaded;
} else {
Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded drive %d\", result: nothing loaded.\n"),
- drive);
+ drive);
+ dcr->dev->Slot = 0;
}
} 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 */
+ drive, be.strerror());
+ loaded = -1; /* force unload */
}
+ unlock_changer(dcr);
free_pool_memory(changer);
free_pool_memory(results);
return loaded;
}
-/*
- * The Volume is not in the correct slot, so mark this
- * Volume as not being in the Changer.
- */
-void invalid_slot_in_catalog(DCR *dcr)
+static void lock_changer(DCR *dcr)
{
- JCR *jcr = dcr->jcr;
- DEVICE *dev = dcr->dev;
- Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n"
-" Setting slot 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 */
+ 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 */
+ }
+}
+
+static void unlock_changer(DCR *dcr)
+{
+ 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 */
+ }
}
+
/*
* 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_list(DCR *dcr, BSOCK *dir)
+bool autochanger_cmd(DCR *dcr, BSOCK *dir, const char *cmd)
{
DEVICE *dev = dcr->dev;
JCR *jcr = dcr->jcr;
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"));
+ bnet_fsend(dir, _("3993 Device %s not an autochanger device.\n"),
+ dev->print_name());
return false;
}
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);
+ /* 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_device(dev);
- /* First unload any tape */
- loaded = get_autochanger_loaded_slot(dcr);
- if (loaded > 0) {
- bnet_fsend(dir, _("3305 Issuing autochanger \"unload slot %d\" command.\n"), loaded);
- slot = dcr->VolCatInfo.Slot;
- dcr->VolCatInfo.Slot = loaded;
- changer = edit_device_codes(dcr, changer, "unload");
- int stat = run_program(changer, timeout, NULL);
- if (stat != 0) {
- berrno be;
- be.set_errno(stat);
- Jmsg(jcr, M_INFO, 0, _("3995 Bad autochanger \"unload slot %d\" command: ERR=%s.\n"),
- loaded, be.strerror());
+ /* First unload any tape */
+ loaded = get_autochanger_loaded_slot(dcr);
+ if (loaded > 0) {
+ bnet_fsend(dir,
+ _("3307 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,
+ dcr->device->changer_command, "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());
+ } else {
+ dev->Slot = 0; /* nothing loaded */
+ }
+ dcr->VolCatInfo.Slot = slot;
}
- dcr->VolCatInfo.Slot = slot;
}
- /* Now list slots occupied */
- changer = edit_device_codes(dcr, changer, "list");
- bnet_fsend(dir, _("3306 Issuing autochanger \"list\" command.\n"));
+ /* Now issue the command */
+ changer = edit_device_codes(dcr, changer,
+ dcr->device->changer_command, cmd);
+ bnet_fsend(dir, _("3306 Issuing autochanger \"%s\" command.\n"), cmd);
+ lock_changer(dcr);
bpipe = open_bpipe(changer, timeout, "r");
if (!bpipe) {
- bnet_fsend(dir, _("3993 Open bpipe failed.\n"));
- free_pool_memory(changer);
- return false;
+ unlock_changer(dcr);
+ bnet_fsend(dir, _("3996 Open bpipe failed.\n"));
+ goto bail_out;
}
- /* Get output from changer */
- while (fgets(dir->msg, len, bpipe->rfd)) {
+ if (strcmp(cmd, "list") == 0) {
+ /* 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 {
+ /* 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);
}
- int stat = close_bpipe(bpipe);
+
+ 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());
}
bnet_sig(dir, BNET_EOD);
+ ok = true;
+bail_out:
free_pool_memory(changer);
return true;
}
* 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(800, "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 = dev_name(dcr->dev);
- break;
+ str = dcr->dev->archive_name();
+ break;
case 'c':
- str = NPRT(dcr->device->changer_name);
- break;
+ str = NPRT(dcr->device->changer_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;
+ str = NPRT(dcr->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(900, "add_str %s\n", str);
+ Dmsg1(1900, "add_str %s\n", str);
pm_strcat(&omsg, (char *)str);
- Dmsg1(800, "omsg=%s\n", omsg);
+ Dmsg1(1800, "omsg=%s\n", omsg);
}
+ Dmsg1(800, "omsg=%s\n", omsg);
return omsg;
}