/**
* Simply check if the database connection was initialized and connect if not.
* @param db_hdl - database handle to test
* @returns 1 if connected, 0 if not
*/
static inline int icscf_db_check_init(db_con_t *db_hdl)
{
if (db_hdl) return 1;
return (icscf_db_init( icscf_db_url,
icscf_db_nds_table,
icscf_db_scscf_table,
icscf_db_capabilities_table)==0);
}
static int icscf_mod_init(void)
{
load_tm_f load_tm;
load_cdp_f load_cdp;
LOG(L_INFO,"INFO:"M_NAME":mod_init: Initialization of module\n");
/* fix the parameters */
if (!fix_parameters()) goto error;
#ifdef WITH_IMS_PM
ims_pm_init(icscf_name_str,ims_pm_node_type, ims_pm_logfile);
ims_pm_init_icscf();
#endif /* WITH_IMS_PM */
cscf_icid_value_count = shm_malloc(sizeof(unsigned int));
*cscf_icid_value_count = 0;
cscf_icid_value_count_lock = lock_alloc();
cscf_icid_value_count_lock = lock_init(cscf_icid_value_count_lock);
/* load the send_reply function from sl module */
sl_reply = find_export("sl_send_reply", 2, 0);
if (!sl_reply) {
LOG(L_ERR, "ERR"M_NAME":mod_init: This module requires sl module\n");
goto error;
}
/* bind to the tm module */
if (!(load_tm = (load_tm_f)find_export("load_tm",NO_SCRIPT,0))) {
LOG(L_ERR, "ERR"M_NAME":mod_init: Can not import load_tm. This module requires tm module\n");
goto error;
}
if (load_tm(&tmb) == -1)
goto error;
/* bind to the cdp module */
if (!(load_cdp = (load_cdp_f)find_export("load_cdp",NO_SCRIPT,0))) {
LOG(L_ERR, "ERR"M_NAME":mod_init: Can not import load_cdp. This module requires cdp module\n");
goto error;
}
if (load_cdp(&cdpb) == -1)
goto error;
/* cache the trusted domain names and capabilities */
/* bind to the db module */
if ( icscf_db_bind( icscf_db_url ) < 0 ) goto error;
icscf_db_init( icscf_db_url,
icscf_db_nds_table,
icscf_db_scscf_table,
icscf_db_capabilities_table);
I_NDS_get_trusted_domains();
I_get_capabilities();
icscf_db_close();
if (!i_hash_table_init(icscf_hash_size)){
LOG(L_ERR, "ERR"M_NAME":mod_init: Error initializing the Hash Table for stored S-CSCF lists\n");
goto error;
}
// //TODO - only for S-CSCF - I-CSCF does not respond to request
//// AAAAddRequestHandler(&CxRequestHandler,0);
// /* don't register response callback as we always set callback per transactions
// * and we're not interested in other responses */
// /*AAAAddResponseHandler(&CxAnswerHandler,0);*/
//
/** initialize twofish variables and tables (THIG)**/
srand((unsigned) time(NULL));
thig_key_and_cipher_init(&ki,&ci);
LOG(L_INFO,"Twofish encryption ready\n");
int route_no;
/* try to fix the icscf_route_on_term_user_unknown route */
if (icscf_route_on_term_user_unknown){
route_no=route_get(&main_rt, icscf_route_on_term_user_unknown);
if (route_no==-1){
LOG(L_ERR, "ERR"M_NAME":mod_init: failed to fix route \"%s\": route_get() failed\n",
icscf_route_on_term_user_unknown);
return -1;
}
if (main_rt.rlist[route_no]==0){
LOG(L_ERR, "ERR"M_NAME":mod_init: icscf_route_on_term_user_unknown \"%s\" is empty / doesn't exist\n",
icscf_route_on_term_user_unknown);
}
route_on_term_user_unknown_n=route_no;
}
return 0;
error:
return -1;
}