1/* 2 * $Id: cnid_cdb_update.c,v 1.4 2009-11-20 17:22:11 didg Exp $ 3 */ 4 5#ifdef HAVE_CONFIG_H 6#include "config.h" 7#endif /* HAVE_CONFIG_H */ 8 9#ifdef CNID_BACKEND_CDB 10#include "cnid_cdb_private.h" 11 12#define tid NULL 13 14/* cnid_update: takes the given cnid and updates the metadata. To 15 * handle the did/name data, there are a bunch of functions to get 16 * and set the various fields. */ 17int cnid_cdb_update(struct _cnid_db *cdb, const cnid_t id, const struct stat *st, 18 const cnid_t did, char *name, const size_t len 19 /*, const char *info, const int infolen*/) 20{ 21 unsigned char *buf; 22 CNID_private *db; 23 DBT key, pkey, data; 24 int rc; 25 int notfound = 0; 26 char getbuf[CNID_HEADER_LEN + MAXPATHLEN +1]; 27 28 if (!cdb || !(db = cdb->_private) || !id || !st || !name || (db->flags & CNIDFLAG_DB_RO)) { 29 return -1; 30 } 31 32 memset(&key, 0, sizeof(key)); 33 memset(&pkey, 0, sizeof(pkey)); 34 memset(&data, 0, sizeof(data)); 35 36 buf = make_cnid_data(cdb->flags, st, did, name, len); 37 38 key.data = buf +CNID_DEVINO_OFS; 39 key.size = CNID_DEVINO_LEN; 40 data.data = getbuf; 41 data.size = CNID_HEADER_LEN + MAXPATHLEN + 1; 42 43 if (0 != (rc = db->db_devino->pget(db->db_devino, tid, &key, &pkey, &data, 0)) ) { 44#if DB_VERSION_MAJOR >= 4 45 if (rc != DB_NOTFOUND && rc != DB_SECONDARY_BAD) { 46#else 47 if (rc != DB_NOTFOUND) { 48#endif 49 LOG(log_error, logtype_default, "cnid_update: Unable to get devino CNID %u, name %s: %s", 50 ntohl(did), name, db_strerror(rc)); 51 goto fin; 52 } 53 notfound = 1; 54 } else { 55 if ((rc = db->db_cnid->del(db->db_cnid, tid, &pkey, 0))) { 56 LOG(log_error, logtype_default, "cnid_update: Unable to delete CNID %u: %s", 57 ntohl(id), db_strerror(rc)); 58 } 59 } 60 61 memset(&pkey, 0, sizeof(pkey)); 62 buf = make_cnid_data(cdb->flags, st, did, name, len); 63 key.data = buf + CNID_DID_OFS; 64 key.size = CNID_DID_LEN + len + 1; 65 66 if (0 != (rc = db->db_didname->pget(db->db_didname, tid, &key, &pkey, &data, 0)) ) { 67#if DB_VERSION_MAJOR >= 4 68 if (rc != DB_NOTFOUND && rc != DB_SECONDARY_BAD) { 69#else 70 if (rc != DB_NOTFOUND) { 71#endif 72 LOG(log_error, logtype_default, "cnid_update: Unable to get didname CNID %u, name %s: %s", 73 ntohl(did), name, db_strerror(rc)); 74 goto fin; 75 } 76 notfound |= 2; 77 } else { 78 if ((rc = db->db_cnid->del(db->db_cnid, tid, &pkey, 0))) { 79 LOG(log_error, logtype_default, "cnid_update: Unable to delete CNID %u: %s", 80 ntohl(id), db_strerror(rc)); 81 } 82 } 83 84 85 memset(&key, 0, sizeof(key)); 86 key.data = (cnid_t *)&id; 87 key.size = sizeof(id); 88 89 memset(&data, 0, sizeof(data)); 90 /* Make a new entry. */ 91 buf = make_cnid_data(cdb->flags, st, did, name, len); 92 data.data = buf; 93 memcpy(data.data, &id, sizeof(id)); 94 data.size = CNID_HEADER_LEN + len + 1; 95 96 /* Update the old CNID with the new info. */ 97 if ((rc = db->db_cnid->put(db->db_cnid, tid, &key, &data, 0))) { 98 LOG(log_error, logtype_default, "cnid_update: (%d) Unable to update CNID %u:%s: %s", 99 notfound, ntohl(id), name, db_strerror(rc)); 100 goto fin; 101 } 102 103 return 0; 104fin: 105 return -1; 106 107} 108 109#endif 110