2 * $Id: cnid_db3_delete.c,v 1.4 2009-10-29 13:38:16 didg Exp $
4 * Copyright (c) 1999. Adrian Sun (asun@zoology.washington.edu)
5 * All Rights Reserved. See COPYRIGHT.
7 * cnid_delete: delete a CNID from the database
12 #endif /* HAVE_CONFIG_H */
14 #ifdef CNID_BACKEND_DB3
19 #include <atalk/logger.h>
26 #include <netatalk/endian.h>
27 #include <atalk/adouble.h>
30 #include "cnid_db3_private.h"
32 int cnid_db3_delete(struct _cnid_db *cdb, const cnid_t id) {
38 if (!cdb || !(db = cdb->_private) || !id || (db->flags & CNIDFLAG_DB_RO)) {
42 memset(&key, 0, sizeof(key));
43 memset(&data, 0, sizeof(data));
45 /* Get from ain CNID database. */
46 key.data = (cnid_t *)&id;
47 key.size = sizeof(id);
49 rc = db->db_cnid->get(db->db_cnid, NULL, &key, &data, 0);
54 case DB_LOCK_DEADLOCK:
58 LOG(log_debug9, logtype_default, "cnid_delete: CNID %u not in database",
63 LOG(log_error, logtype_default, "cnid_delete: Unable to delete entry: %s",
70 if ((rc = db3_txn_begin(db->dbenv, NULL, &tid, 0)) != 0) {
71 LOG(log_error, logtype_default, "cnid_delete: Failed to begin transaction: %s",
76 /* Now delete from the main CNID database. */
77 key.data = (cnid_t *)&id;
78 key.size = sizeof(id);
79 if ((rc = db->db_cnid->del(db->db_cnid, tid, &key, 0))) {
81 if ((ret = db3_txn_abort(tid)) != 0) {
82 LOG(log_error, logtype_default, "cnid_delete: txn_abort: %s", db_strerror(ret));
86 case DB_LOCK_DEADLOCK:
93 /* Now delete from dev/ino database. */
95 key.size = CNID_DEVINO_LEN;
96 if ((rc = db->db_devino->del(db->db_devino, tid, &key, 0))) {
98 case DB_LOCK_DEADLOCK:
99 if ((rc = db3_txn_abort(tid)) != 0) {
100 LOG(log_error, logtype_default, "cnid_delete: txn_abort: %s",
106 /* Quietly fall through if the entry isn't found. */
109 if ((rc = db3_txn_abort(tid)) != 0) {
110 LOG(log_error, logtype_default, "cnid_delete: txn_abort: %s",
118 /* Get data from the did/name database.
119 * TODO Also handle did/macname, did/shortname, and did/longname. */
120 key.data = (char *)data.data + CNID_DEVINO_LEN;
121 key.size = data.size - CNID_DEVINO_LEN;
122 if ((rc = db->db_didname->del(db->db_didname, tid, &key, 0))) {
124 case DB_LOCK_DEADLOCK:
125 if ((rc = db3_txn_abort(tid)) != 0) {
126 LOG(log_error, logtype_default, "cnid_delete: txn_abort: %s",
134 if ((rc = db3_txn_abort(tid)) != 0) {
135 LOG(log_error, logtype_default, "cnid_delete: txn_abort: %s",
144 LOG(log_debug9, logtype_default, "cnid_delete: Deleting CNID %u", ntohl(id));
146 if ((rc = db3_txn_commit(tid, 0)) != 0) {
147 LOG(log_error, logtype_default, "cnid_delete: Failed to commit transaction: %s",
154 LOG(log_error, logtype_default, "cnid_delete: Unable to delete CNID %u: %s",
155 ntohl(id), db_strerror(rc));
159 #endif /* CNID_BACKEND_DB3 */