--- /dev/null
+/*
+ *
+ * Bacula Director -- Automatic Recycling of Volumes
+ * Recycles Volumes that have been purged
+ *
+ * Kern Sibbald, May MMII
+ *
+ * Version $Id$
+ */
+
+/*
+ Copyright (C) 2002 Kern Sibbald and John Walker
+
+ 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.
+
+ 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.
+
+ */
+
+#include "bacula.h"
+#include "dird.h"
+#include "ua.h"
+
+struct s_oldest_ctx {
+ uint32_t MediaId;
+ char LastWritten[30];
+};
+
+static int oldest_handler(void *ctx, int num_fields, char **row)
+{
+ struct s_oldest_ctx *oldest = (struct s_oldest_ctx *)ctx;
+
+ if (row[0]) {
+ Dmsg2(100, "oldest_handler %s %s\n", row[0], row[1]);
+ }
+ /* Find oldest Media record */
+ if (row[1] && strcmp(row[1], oldest->LastWritten) < 0) {
+ oldest->MediaId = atoi(row[0]);
+ strcpy(oldest->LastWritten, row[1]);
+ Dmsg1(100, "New oldest %s\n", row[1]);
+ }
+ return 1;
+}
+
+/* Forward referenced functions */
+
+int find_recycled_volume(JCR *jcr, MEDIA_DBR *mr)
+{
+ strcpy(mr->VolStatus, "Recycle");
+ if (db_find_next_volume(jcr->db, 1, mr)) {
+ jcr->MediaId = mr->MediaId;
+ Dmsg1(20, "Find_next_vol MediaId=%d\n", jcr->MediaId);
+ strcpy(jcr->VolumeName, mr->VolumeName);
+ return 1;
+ }
+ return 0;
+}
+
+
+/*
+ * Look for oldest Purged volume
+ */
+int recycle_a_volume(JCR *jcr, MEDIA_DBR *mr)
+{
+ struct s_oldest_ctx oldest;
+ POOLMEM *query = get_pool_memory(PM_EMSG);
+ char *select =
+"SELECT MediaId, LastWritten FROM Media "
+"WHERE PoolId=%d AND Recycle=1 AND VolStatus=\"Purged\" "
+"AND MediaType=\"%s\"";
+
+ Dmsg0(100, "Enter recycle_a_volume\n");
+ oldest.MediaId = 0;
+ strcpy(oldest.LastWritten, "9999-99-99 99:99:99");
+ Mmsg(&query, select, mr->PoolId, mr->MediaType);
+ if (!db_sql_query(jcr->db, query, oldest_handler, (void *)&oldest)) {
+ Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
+ Dmsg0(100, "Exit 0 recycle_a_volume query\n");
+ free_pool_memory(query);
+ return 0;
+ }
+ free_pool_memory(query);
+ Dmsg1(100, "Oldest mediaid=%d\n", oldest.MediaId);
+ if (oldest.MediaId != 0) {
+ mr->MediaId = oldest.MediaId;
+ if (db_get_media_record(jcr->db, mr)) {
+ strcpy(mr->VolStatus, "Recycle");
+ if (db_update_media_record(jcr->db, mr)) {
+ Jmsg(jcr, M_INFO, 0, "Recycled volume %s\n", mr->VolumeName);
+ Dmsg1(100, "Exit 1 recycle_a_volume Vol=%s\n", mr->VolumeName);
+ return 1;
+ }
+ }
+ Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
+ }
+ Dmsg0(100, "Exit 0 recycle_a_volume end\n");
+ return 0;
+}