Function mod_init

modules/pua/pua.c:162–279

* init module function */

 * init module function
 */
static int mod_init(void)
{
	load_tm_f  load_tm;

	LM_DBG("...\n");

	if(min_expires< 0)
		min_expires= 0;

	if(default_expires< 600)
		default_expires= 3600;

	/* import the TM auto-loading function */
	if((load_tm=(load_tm_f)find_export("load_tm", 0))==NULL)
	{
		LM_ERR("can't import load_tm\n");
		return -1;
	}
	/* let the auto-loading function load all TM stuff */

	if(load_tm(&tmb)==-1)
	{
		LM_ERR("can't load tm functions\n");
		return -1;
	}

	init_db_url( db_url , 0 /*cannot be null*/);
	db_table.len = strlen(db_table.s);

	/* binding to database module  */
	if (db_bind_mod(&db_url, &pua_dbf))
	{
		LM_ERR("Database module not found\n");
		return -1;
	}
	if (!DB_CAPABILITY(pua_dbf, DB_CAP_ALL)) {
		LM_ERR("Database module does not implement all functions needed"
				" by the module\n");
		return -1;
	}

	pua_db = pua_dbf.init(&db_url);
	if (!pua_db)
	{
		LM_ERR("while connecting database\n");
		return -1;
	}
	/* verify table version  */
	if(db_check_table_version(&pua_dbf, pua_db, &db_table, PUA_TABLE_VERSION) < 0) {
		LM_ERR("error during table version check.\n");
		return -1;
	}

	if(HASH_SIZE<=1)
		HASH_SIZE= 512;
	else {
		/* must fit in half of "long" when building the pres_id */
		if ( HASH_SIZE > (sizeof(long)*8/2) ) {