strongswan/src/libstrongswan/resolver/rr_set.c

101 lines
2.2 KiB
C

/*
* Copyright (C) 2012 Reto Guadagnini
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "rr_set.h"
#include <library.h>
#include <utils/debug.h>
typedef struct private_rr_set_t private_rr_set_t;
/**
* private data of the rr_set
*/
struct private_rr_set_t {
/**
* public functions
*/
rr_set_t public;
/**
* List of Resource Records which form the RRset
*/
linked_list_t *rr_list;
/**
* List of the signatures (RRSIGs) of the Resource Records contained in
* this set
*/
linked_list_t *rrsig_list;
};
METHOD(rr_set_t, create_rr_enumerator, enumerator_t*,
private_rr_set_t *this)
{
return this->rr_list->create_enumerator(this->rr_list);
}
METHOD(rr_set_t, create_rrsig_enumerator, enumerator_t*,
private_rr_set_t *this)
{
if (this->rrsig_list)
{
return this->rrsig_list->create_enumerator(this->rrsig_list);
}
return NULL;
}
METHOD(rr_set_t, destroy, void,
private_rr_set_t *this)
{
this->rr_list->destroy_offset(this->rr_list,
offsetof(rr_t, destroy));
if (this->rrsig_list)
{
this->rrsig_list->destroy_offset(this->rrsig_list,
offsetof(rr_t, destroy));
}
free(this);
}
/*
* see header
*/
rr_set_t *rr_set_create(linked_list_t *list_of_rr, linked_list_t *list_of_rrsig)
{
private_rr_set_t *this;
INIT(this,
.public = {
.create_rr_enumerator = _create_rr_enumerator,
.create_rrsig_enumerator = _create_rrsig_enumerator,
.destroy = _destroy,
},
);
if (list_of_rr == NULL)
{
DBG1(DBG_LIB, "could not create a rr_set without a list_of_rr");
_destroy(this);
return NULL;
}
this->rr_list = list_of_rr;
this->rrsig_list = list_of_rrsig;
return &this->public;
}