3 * Bacula Director -- newvol.c -- creates new Volumes in
4 * catalog Media table from the LabelFormat specification.
6 * Kern Sibbald, May MMI
8 * This routine runs as a thread and must be thread reentrant.
10 * Basic tasks done here:
11 * If possible create a new Media entry
16 Copyright (C) 2001-2005 Kern Sibbald
18 This program is free software; you can redistribute it and/or
19 modify it under the terms of the GNU General Public License as
20 published by the Free Software Foundation; either version 2 of
21 the License, or (at your option) any later version.
23 This program is distributed in the hope that it will be useful,
24 but WITHOUT ANY WARRANTY; without even the implied warranty of
25 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 General Public License for more details.
28 You should have received a copy of the GNU General Public
29 License along with this program; if not, write to the Free
30 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
38 /* Forward referenced functions */
39 static bool create_simple_name(JCR *jcr, MEDIA_DBR *mr, POOL_DBR *pr);
40 static bool perform_full_name_substitution(JCR *jcr, MEDIA_DBR *mr, POOL_DBR *pr);
44 * Automatic Volume name creation using the LabelFormat
46 * The media record must have the PoolId filled in when
47 * calling this routine.
49 bool newVolume(JCR *jcr, MEDIA_DBR *mr)
53 memset(&pr, 0, sizeof(pr));
55 /* See if we can create a new Volume */
57 pr.PoolId = mr->PoolId;
58 if (!db_get_pool_record(jcr, jcr->db, &pr)) {
61 if (pr.MaxVols == 0 || pr.NumVols < pr.MaxVols) {
62 memset(mr, 0, sizeof(MEDIA_DBR));
63 set_pool_dbr_defaults_in_media_dbr(mr, &pr);
64 jcr->VolumeName[0] = 0;
65 bstrncpy(mr->MediaType, jcr->store->media_type, sizeof(mr->MediaType));
66 if (generate_job_event(jcr, "NewVolume") == 1 && jcr->VolumeName[0] &&
67 is_volume_name_legal(NULL, jcr->VolumeName)) {
68 bstrncpy(mr->VolumeName, jcr->VolumeName, sizeof(mr->VolumeName));
69 /* Check for special characters */
70 } else if (pr.LabelFormat[0] && pr.LabelFormat[0] != '*') {
71 if (is_volume_name_legal(NULL, pr.LabelFormat)) {
72 /* No special characters, so apply simple algorithm */
73 if (!create_simple_name(jcr, mr, &pr)) {
76 } else { /* try full substitution */
77 /* Found special characters, so try substitution */
78 if (!perform_full_name_substitution(jcr, mr, &pr)) {
81 if (!is_volume_name_legal(NULL, mr->VolumeName)) {
82 Jmsg(jcr, M_ERROR, 0, _("Illegal character in Volume name \"%s\"\n"),
91 if (db_create_media_record(jcr, jcr->db, mr) &&
92 db_update_pool_record(jcr, jcr->db, &pr)) {
94 Jmsg(jcr, M_INFO, 0, _("Created new Volume \"%s\" in catalog.\n"), mr->VolumeName);
95 Dmsg1(90, "Created new Volume=%s\n", mr->VolumeName);
98 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
106 static bool create_simple_name(JCR *jcr, MEDIA_DBR *mr, POOL_DBR *pr)
108 char name[MAXSTRING];
111 /* See if volume already exists */
112 mr->VolumeName[0] = 0;
113 bstrncpy(name, pr->LabelFormat, sizeof(name));
114 for (int i=pr->NumVols+1; i<(int)pr->NumVols+11; i++) {
116 memset(&tmr, 0, sizeof(tmr));
117 sprintf(num, "%04d", i);
118 bstrncpy(tmr.VolumeName, name, sizeof(tmr.VolumeName));
119 bstrncat(tmr.VolumeName, num, sizeof(tmr.VolumeName));
120 if (db_get_media_record(jcr, jcr->db, &tmr)) {
121 Jmsg(jcr, M_WARNING, 0,
122 _("Wanted to create Volume \"%s\", but it already exists. Trying again.\n"),
126 bstrncpy(mr->VolumeName, name, sizeof(mr->VolumeName));
127 bstrncat(mr->VolumeName, num, sizeof(mr->VolumeName));
128 break; /* Got good name */
130 if (mr->VolumeName[0] == 0) {
131 Jmsg(jcr, M_ERROR, 0, _("Too many failures. Giving up creating Volume name.\n"));
138 * Perform full substitution on Label
140 static bool perform_full_name_substitution(JCR *jcr, MEDIA_DBR *mr, POOL_DBR *pr)
143 POOLMEM *label = get_pool_memory(PM_FNAME);
144 jcr->NumVols = pr->NumVols;
145 if (variable_expansion(jcr, pr->LabelFormat, &label)) {
146 bstrncpy(mr->VolumeName, label, sizeof(mr->VolumeName));
149 free_pool_memory(label);