Function cachedb_sub

cachedb/cachedb.c:576–633

}

int cachedb_sub(str* cachedb_name, str* attr, int val,int expires,int *new_val)
{
	cachedb_engine* cde;
	str cde_engine,grp_name;
	char *p;
	cachedb_con *con;
	int ret;

	if(cachedb_name == NULL || attr == NULL)
	{
		LM_ERR("null arguments\n");
		return -1;
	}

	p = memchr(cachedb_name->s,':',cachedb_name->len);
	if (p == NULL) {
		cde_engine = *cachedb_name;
		grp_name.s = NULL;
		grp_name.len = 0;
		LM_DBG("from script [%.*s] - no grp\n",cde_engine.len,cde_engine.s);
	} else {
		cde_engine.s = cachedb_name->s;
		cde_engine.len = p - cde_engine.s;
		grp_name.s = p+1;
		grp_name.len = cachedb_name->len - cde_engine.len -1;
		LM_DBG("from script [%.*s] - with grp [%.*s]\n",cde_engine.len,
				cde_engine.s,grp_name.len,grp_name.s);

	}

	cde = lookup_cachedb(&cde_engine);
	if(cde == NULL)
	{
		LM_ERR("Wrong argument <%.*s> - no cachedb system with"
				" this name registered\n",
				cde_engine.len,cde_engine.s);
		return -1;
	}

	if (!CACHEDB_CAPABILITY(&cde->cdb_func,CACHEDB_CAP_SUB)) {
		LM_ERR("Engine %.*s does not support sub ops\n",
				cde_engine.len,cde_engine.s);
		return -1;
	}

	con = cachedb_get_connection(cde,&grp_name);
	if (con == NULL) {
		LM_ERR("failed to get connection for grp name [%.*s] : check db_url\n",
				grp_name.len,grp_name.s);
		return -1;
	}

	ret = cde->cdb_func.sub(con,attr,val,expires,new_val);
	if (ret == 0)
		ret++;

	return ret;
}