/*!
* \brief Registers a new domain with usrloc
*
* Registers a new domain with usrloc. If the domain exists,
* a pointer to existing structure will be returned, otherwise
* a new domain will be created
* \param _n domain name
* \param _d new created domain
* \return 0 on success, -1 on failure
*/
int register_udomain(const char* _n, udomain_t** _d)
{
dlist_t* d;
str s;
db1_con_t* con;
s.s = (char*)_n;
s.len = strlen(_n);
if (find_dlist(&s, &d) == 0) {
*_d = d->d;
return 0;
}
if (new_dlist(&s, &d) < 0) {
LM_ERR("failed to create new domain\n");
return -1;
}
/* Test tables from database if we are gonna
* to use database
*/
if (db_mode != NO_DB) {
con = ul_dbf.init(&db_url);
if (!con) {
LM_ERR("failed to open database connection\n");
goto err;
}
if(ul_version_table != 0
&& db_check_table_version(&ul_dbf, con, &s, UL_TABLE_VERSION) < 0) {
LM_ERR("error during table version check.\n");
goto err;
}
/* test if DB really exists */
if (testdb_udomain(con, d->d) < 0) {
LM_ERR("testing domain '%.*s' failed\n", s.len, ZSW(s.s));
goto err;
}
ul_dbf.close(con);
}
d->next = root;
root = d;
*_d = d->d;
return 0;
err:
if (con) ul_dbf.close(con);
free_udomain(d->d);
shm_free(d->name.s);
shm_free(d);
return -1;
}
/*!
* \brief Free all allocated memory for domains
*/
void free_all_udomains(void)
{
dlist_t* ptr;
while(root) {
ptr = root;
root = root->next;
free_udomain(ptr->d);
shm_free(ptr->name.s);
shm_free(ptr);
}
}
/*
* Function registers a new domain with usrloc
* if the domain exists, pointer to existing structure
* will be returned, otherwise a new domain will be
* created
*/
int register_udomain(const char* _n, udomain_t** _d)
{
dlist_t* d;
str s;
int ver;
db_con_t* con;
s.s = (char*)_n;
s.len = strlen(_n);
if (find_dlist(&s, &d) == 0) {
*_d = d->d;
return 0;
}
if (new_dlist(&s, &d) < 0) {
LOG(L_ERR, "register_udomain(): Error while creating new domain\n");
return -1;
}
/* Preload domain with data from database if we are gonna
* to use database
*/
if (db_mode != NO_DB) {
con = ul_dbf.init(db_url.s);
if (!con) {
LOG(L_ERR, "register_udomain(): Can not open database connection\n");
goto err;
}
ver = table_version(&ul_dbf, con, &s);
if (ver < 0) {
LOG(L_ERR, "register_udomain(): Error while querying table version\n");
goto err;
} else if (ver < TABLE_VERSION) {
LOG(L_ERR, "register_udomain(): Invalid table version (use ser_mysql.sh reinstall)\n");
goto err;
}
if (preload_udomain(con, d->d) < 0) {
LOG(L_ERR, "register_udomain(): Error while preloading domain '%.*s'\n",
s.len, ZSW(s.s));
goto err;
}
ul_dbf.close(con);
}
d->next = root;
root = d;
*_d = d->d;
return 0;
err:
if (con) ul_dbf.close(con);
free_udomain(d->d);
shm_free(d->name.s);
shm_free(d);
return -1;
}
