int dbd_rebuild_add(DBD *dbd, struct cnid_dbd_rqst *rqst, struct cnid_dbd_rply *rply) { DBT key, data; cnid_t cur, tmp, id; memset(&key, 0, sizeof(key)); memset(&data, 0, sizeof(data)); rply->namelen = 0; key.data = &rqst->cnid; key.size = sizeof(cnid_t); data.data = pack_cnid_data(rqst); data.size = CNID_HEADER_LEN + rqst->namelen + 1; memcpy(data.data, &rqst->cnid, sizeof(cnid_t)); /* FIXME: In cnid_cdb.c Bjoern does a lookup here and returns the CNID found if sucessful. Why? */ if (dbif_put(dbd, DBIF_CNID, &key, &data, 0) < 0) { rply->result = CNID_DBD_RES_ERR_DB; return -1; } LOG(log_debug, logtype_cnid, "dbd_rebuild_add(CNID: %u, did: %u, name: \"%s\", dev/ino:0x%llx/0x%llx): success", ntohl(rqst->cnid), ntohl(rqst->did), rqst->name, (unsigned long long)rqst->dev, (unsigned long long)rqst->ino); key.data = ROOTINFO_KEY; key.size = ROOTINFO_KEYLEN; if (dbif_get(dbd, DBIF_CNID, &key, &data, 0) <= 0) { /* FIXME: If we cannot find ROOTINFO_KEY, should this be considered fatal or should we just return 0 and roll back? */ rply->result = CNID_DBD_RES_ERR_DB; return -1; } memcpy(&tmp, (char *) data.data + CNID_TYPE_OFS, sizeof(cnid_t)); cur = ntohl(tmp); id = ntohl(rqst->cnid); if (id > cur) { data.size = ROOTINFO_DATALEN; memcpy((char *) data.data + CNID_TYPE_OFS, &rqst->cnid, sizeof(cnid_t)); if (dbif_put(dbd, DBIF_CNID, &key, &data, 0) < 0) { rply->result = CNID_DBD_RES_ERR_DB; return -1; } } rply->cnid = rqst->cnid; rply->result = CNID_DBD_RES_OK; return 1; }
int dbd_update(DBD *dbd, struct cnid_dbd_rqst *rqst, struct cnid_dbd_rply *rply) { DBT key, data; memset(&key, 0, sizeof(key)); memset(&data, 0, sizeof(data)); rply->namelen = 0; /* Try to wipe everything, also using the indexes */ if (dbd_delete(dbd, rqst, rply, DBIF_CNID) < 0) goto err_db; if (dbd_delete(dbd, rqst, rply, DBIF_IDX_DEVINO) < 0) goto err_db; if (dbd_delete(dbd, rqst, rply, DBIF_IDX_DIDNAME) < 0) goto err_db; /* Make a new entry. */ key.data = &rqst->cnid; key.size = sizeof(rqst->cnid); data.data = pack_cnid_data(rqst); data.size = CNID_HEADER_LEN + rqst->namelen + 1; memcpy(data.data, &rqst->cnid, sizeof(rqst->cnid)); if (dbif_put(dbd, DBIF_CNID, &key, &data, 0) < 0) goto err_db; LOG(log_debug, logtype_cnid, "dbd_update: Updated dbd with dev/ino: 0x%llx/0x%llx, did: %u, name: %s, cnid: %u", (unsigned long long)rqst->dev, (unsigned long long)rqst->ino, ntohl(rqst->did), rqst->name, ntohl(rqst->cnid)); rply->result = CNID_DBD_RES_OK; return 1; err_db: LOG(log_error, logtype_cnid, "dbd_update: Unable to update CNID: %u, dev/ino: 0x%llx/0x%llx, DID: %u: %s", ntohl(rqst->cnid), (unsigned long long)rqst->dev, (unsigned long long)rqst->ino, ntohl(rqst->did), rqst->name); rply->result = CNID_DBD_RES_ERR_DB; return -1; }