3 * Routines for handling the autochanger.
5 * Kern Sibbald, August MMII
10 Copyright (C) 2000-2003 Kern Sibbald and John Walker
12 This program is free software; you can redistribute it and/or
13 modify it under the terms of the GNU General Public License as
14 published by the Free Software Foundation; either version 2 of
15 the License, or (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
22 You should have received a copy of the GNU General Public
23 License along with this program; if not, write to the Free
24 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
29 #include "bacula.h" /* pull in global headers */
30 #include "stored.h" /* pull in Storage Deamon headers */
32 /* Forward referenced functions */
33 static char *edit_device_codes(JCR *jcr, char *omsg, char *imsg, char *cmd);
37 * Called here to do an autoload using the autochanger, if
38 * configured, and if a Slot has been defined for this Volume.
39 * On success this routine loads the indicated tape, but the
40 * label is not read, so it must be verified.
42 * Note if dir is not NULL, it is the console requesting the
43 * autoload for labeling, so we respond directly to the
46 * Returns: 1 on success
49 int autoload_device(JCR *jcr, DEVICE *dev, int writing, BSOCK *dir)
51 int slot = jcr->VolCatInfo.Slot;
55 * Handle autoloaders here. If we cannot autoload it, we
56 * will return FALSE to ask the sysop.
58 if (writing && dev_cap(dev, CAP_AUTOCHANGER) && slot <= 0) {
60 return 0; /* For user, bail out right now */
62 if (dir_find_next_appendable_volume(jcr)) {
63 slot = jcr->VolCatInfo.Slot;
66 Dmsg1(100, "Want changer slot=%d\n", slot);
68 if (slot > 0 && jcr->device->changer_name && jcr->device->changer_command) {
69 uint32_t timeout = jcr->device->max_changer_wait;
70 POOLMEM *changer, *results;
73 results = get_pool_memory(PM_MESSAGE);
74 changer = get_pool_memory(PM_FNAME);
76 /* Find out what is loaded, zero means device is unloaded */
78 bnet_fsend(dir, _("3301 Issuing autochanger \"loaded\" command.\n"));
80 Jmsg(jcr, M_INFO, 0, _("Issuing autochanger \"loaded\" command.\n"));
82 changer = edit_device_codes(jcr, changer, jcr->device->changer_command,
84 status = run_program(changer, timeout, results);
85 Dmsg3(100, "run_prog: %s stat=%d result=%s\n", changer, status, results);
87 loaded = atoi(results);
90 bnet_fsend(dir, _("3991 Bad autochanger \"loaded\" status=%d.\n"),
93 Jmsg(jcr, M_INFO, 0, _("Bad autochanger \"load slot\" status=%d.\n"),
96 loaded = -1; /* force unload */
98 Dmsg1(100, "loaded=%s\n", results);
100 /* If bad status or tape we want is not loaded, load it. */
101 if (status != 0 || loaded != slot) {
102 if (dev_cap(dev, CAP_OFFLINEUNMOUNT)) {
105 /* We are going to load a new tape, so close the device */
106 force_close_dev(dev);
107 if (loaded != 0) { /* must unload drive */
108 Dmsg0(100, "Doing changer unload.\n");
110 bnet_fsend(dir, _("3302 Issuing autochanger \"unload\" command.\n"));
112 Jmsg(jcr, M_INFO, 0, _("Issuing autochanger \"unload\" command.\n"));
114 changer = edit_device_codes(jcr, changer,
115 jcr->device->changer_command, "unload");
116 status = run_program(changer, timeout, NULL);
117 Dmsg1(100, "unload status=%d\n", status);
120 * Load the desired cassette
122 Dmsg1(100, "Doing changer load slot %d\n", slot);
124 bnet_fsend(dir, _("3303 Issuing autochanger \"load slot %d\" command.\n"),
127 Jmsg(jcr, M_INFO, 0, _("Issuing autochanger \"load slot %d\" command.\n"),
130 changer = edit_device_codes(jcr, changer,
131 jcr->device->changer_command, "load");
132 status = run_program(changer, timeout, NULL);
135 bnet_fsend(dir, _("3304 Autochanger \"load slot %d\" status is OK.\n"),
138 Jmsg(jcr, M_INFO, 0, _("Autochanger \"load slot %d\" status is OK.\n"),
143 bnet_fsend(dir, _("3992 Bad autochanger \"load slot\" status=%d.\n"),
146 Jmsg(jcr, M_INFO, 0, _("Bad autochanger \"load slot\" status=%d.\n"),
150 Dmsg2(100, "load slot %d status=%d\n", slot, status);
152 free_pool_memory(changer);
153 free_pool_memory(results);
154 Dmsg1(100, "After changer, status=%d\n", status);
155 if (status == 0) { /* did we succeed? */
156 rtn_stat = 1; /* tape loaded by changer */
163 * List the Volumes that are in the autoloader possibly
164 * with their barcodes.
165 * We assume that it is always the Console that is calling us.
167 int autochanger_list(JCR *jcr, DEVICE *dev, BSOCK *dir)
169 uint32_t timeout = jcr->device->max_changer_wait;
172 int len = sizeof_pool_memory(dir->msg) - 1;
174 if (!dev_cap(dev, CAP_AUTOCHANGER) || !jcr->device->changer_name ||
175 !jcr->device->changer_command) {
176 bnet_fsend(dir, _("3993 Not a autochanger device.\n"));
180 changer = get_pool_memory(PM_FNAME);
181 if (dev_cap(dev, CAP_OFFLINEUNMOUNT)) {
184 /* We are going to load a new tape, so close the device */
185 force_close_dev(dev);
187 /* First unload any tape */
188 bnet_fsend(dir, _("3902 Issuing autochanger \"unload\" command.\n"));
189 changer = edit_device_codes(jcr, changer, jcr->device->changer_command, "unload");
190 run_program(changer, timeout, NULL);
192 /* Now list slots occupied */
193 changer = edit_device_codes(jcr, changer, jcr->device->changer_command, "list");
194 bnet_fsend(dir, _("3305 Issuing autochanger \"list\" command.\n"));
195 bpipe = open_bpipe(changer, timeout, "r");
197 bnet_fsend(dir, _("3994 Open bpipe failed.\n"));
200 /* Get output from changer */
201 while (fgets(dir->msg, len, bpipe->rfd)) {
202 dir->msglen = strlen(dir->msg);
205 bnet_sig(dir, BNET_EOD);
209 free_pool_memory(changer);
216 * Edit codes into ChangerCommand
218 * %a = archive device name
219 * %c = changer device name
228 * omsg = edited output message
229 * imsg = input string containing edit codes (%x)
230 * cmd = command string (load, unload, ...)
233 static char *edit_device_codes(JCR *jcr, char *omsg, char *imsg, char *cmd)
240 Dmsg1(200, "edit_device_codes: %s\n", imsg);
241 for (p=imsg; *p; p++) {
248 str = jcr->device->dev->dev_name;
251 str = NPRT(jcr->device->changer_name);
257 sprintf(add, "%d", jcr->VolCatInfo.Slot - 1);
261 sprintf(add, "%d", jcr->VolCatInfo.Slot);
264 case 'j': /* Job name */
268 str = NPRT(jcr->VolumeName);
271 str = NPRT(jcr->client_name);
286 Dmsg1(200, "add_str %s\n", str);
287 pm_strcat(&omsg, (char *)str);
288 Dmsg1(200, "omsg=%s\n", omsg);