int mt_print_tree(m_tree_t *pt)
{
int len;
if(pt == NULL)
{
LM_DBG("tree is empty\n");
return 0;
}
LM_INFO("[%.*s]\n", pt->tname.len, pt->tname.s);
len = 0;
mt_print_node(pt->head, mt_code_buf, len, pt->type);
return mt_print_tree(pt->next);
}
/**
* init module function
*/
static int mod_init(void)
{
m_tree_t *pt = NULL;
if(mtree_init_rpc()!=0)
{
LM_ERR("failed to register RPC commands\n");
return -1;
}
if(pv_parse_spec(&value_param, &pv_value)<00
|| !(pv_is_w(&pv_value)))
{
LM_ERR("cannot parse value pv or is read only\n");
return -1;
}
if (pv_parse_spec(&values_param, &pv_values) <0
|| pv_values.type != PVT_AVP) {
LM_ERR("cannot parse values avp\n");
return -1;
}
if(pv_parse_spec(&dstid_param, &pv_dstid)<0
|| pv_dstid.type!=PVT_AVP)
{
LM_ERR("cannot parse dstid avp\n");
return -1;
}
if(pv_parse_spec(&weight_param, &pv_weight)<0
|| pv_weight.type!=PVT_AVP)
{
LM_ERR("cannot parse dstid avp\n");
return -1;
}
if(pv_parse_spec(&count_param, &pv_count)<0
|| !(pv_is_w(&pv_weight)))
{
LM_ERR("cannot parse count pv or is read-only\n");
return -1;
}
if(mt_fetch_rows<=0)
mt_fetch_rows = 1000;
if(mt_char_list.len<=0)
{
LM_ERR("invalid prefix char list\n");
return -1;
}
LM_DBG("mt_char_list=%s \n", mt_char_list.s);
mt_char_table_init();
/* binding to mysql module */
if(db_bind_mod(&db_url, &mt_dbf))
{
LM_ERR("database module not found\n");
return -1;
}
if (!DB_CAPABILITY(mt_dbf, DB_CAP_ALL))
{
LM_ERR("database module does not "
"implement all functions needed by the module\n");
return -1;
}
/* open a connection with the database */
db_con = mt_dbf.init(&db_url);
if(db_con==NULL)
{
LM_ERR("failed to connect to the database\n");
return -1;
}
LM_DBG("database connection opened successfully\n");
if ( (mt_lock=lock_alloc())==0) {
LM_CRIT("failed to alloc lock\n");
goto error1;
}
if (lock_init(mt_lock)==0 ) {
LM_CRIT("failed to init lock\n");
goto error1;
}
if(mt_defined_trees())
{
LM_DBG("static trees defined\n");
pt = mt_get_first_tree();
while(pt!=NULL)
{
LM_DBG("loading from tree <%.*s>\n",
pt->tname.len, pt->tname.s);
/* loading all information from database */
if(mt_load_db(pt)!=0)
{
LM_ERR("cannot load info from database\n");
goto error1;
}
pt = pt->next;
}
} else {
if(db_table.len<=0)
{
LM_ERR("no trees table defined\n");
goto error1;
}
if(mt_init_list_head()<0)
{
LM_ERR("unable to init trees list head\n");
goto error1;
}
/* loading all information from database */
if(mt_load_db_trees()!=0)
{
LM_ERR("cannot load trees from database\n");
goto error1;
}
}
mt_dbf.close(db_con);
db_con = 0;
#if 0
mt_print_tree(mt_get_first_tree());
#endif
/* success code */
return 0;
error1:
if (mt_lock)
{
lock_destroy( mt_lock );
lock_dealloc( mt_lock );
mt_lock = 0;
}
mt_destroy_trees();
if(db_con!=NULL)
mt_dbf.close(db_con);
db_con = 0;
return -1;
}
