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_get(DBD *dbd, struct cnid_dbd_rqst *rqst, struct cnid_dbd_rply *rply)
{
char start[CNID_DID_LEN + MAXPATHLEN + 1], *buf;
DBT key, data;
int rc;
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
rply->namelen = 0;
buf = start;
memcpy(buf, &rqst->did, sizeof(rqst->did));
buf += sizeof(rqst->did);
memcpy(buf, rqst->name, rqst->namelen);
*(buf + rqst->namelen) = '\0'; /* Make it a C-string. */
key.data = start;
key.size = CNID_DID_LEN + rqst->namelen + 1;
if ((rc = dbif_get(dbd, DBIF_IDX_DIDNAME, &key, &data, 0)) < 0) {
LOG(log_error, logtype_cnid, "dbd_get: Unable to get CNID %u, name %s", ntohl(rqst->did), rqst->name);
rply->result = CNID_DBD_RES_ERR_DB;
return -1;
}
if (rc == 0) {
LOG(log_debug, logtype_cnid, "cnid_get: CNID not found for did %u name %s",
ntohl(rqst->did), rqst->name);
rply->result = CNID_DBD_RES_NOTFOUND;
return 1;
}
memcpy(&rply->cnid, data.data, sizeof(rply->cnid));
LOG(log_debug, logtype_cnid, "cnid_get: Returning CNID did %u name %s as %u",
ntohl(rqst->did), rqst->name, ntohl(rply->cnid));
rply->result = CNID_DBD_RES_OK;
return 1;
}
int dbd_resolve(DBD *dbd, struct cnid_dbd_rqst *rqst, struct cnid_dbd_rply *rply)
{
DBT key, data;
int rc;
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
rply->namelen = 0;
key.data = (void *) &rqst->cnid;
key.size = sizeof(cnid_t);
if ((rc = dbif_get(dbd, DBIF_CNID, &key, &data, 0)) < 0) {
LOG(log_error, logtype_cnid, "dbd_resolve: DB Error resolving CNID %u", ntohl(rqst->cnid));
rply->result = CNID_DBD_RES_ERR_DB;
return -1;
}
if (rc == 0) {
LOG(log_debug, logtype_cnid, "dbd_resolve: Could not resolve CNID %u", ntohl(rqst->cnid));
rply->result = CNID_DBD_RES_NOTFOUND;
return 1;
}
memcpy(&rply->did, (char *) data.data + CNID_DID_OFS, sizeof(cnid_t));
rply->namelen = data.size;
rply->name = (char *)data.data;
LOG(log_debug, logtype_cnid, "dbd_resolve(CNID: %u): did: %u, name: \"%s\"",
ntohl(rqst->cnid), ntohl(rply->did), rply->name + CNID_NAME_OFS);
rply->result = CNID_DBD_RES_OK;
return 1;
}
