106 lines
2.1 KiB
C
106 lines
2.1 KiB
C
/**
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* @file message.c
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*
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* @brief Class message_t. Object of this type represents an IKEv2-Message.
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*
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*/
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/*
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* Copyright (C) 2005 Jan Hutter, Martin Willi
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include <stdlib.h>
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#include "allocator.h"
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#include "types.h"
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#include "message.h"
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#include "linked_list.h"
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/**
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* Private data of an message_t object
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*/
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typedef struct private_message_s private_message_t;
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struct private_message_s {
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/**
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* Public part of a message_t object
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*/
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message_t public;
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/* Private values */
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/**
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* Assigned UDP packet.
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*
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* Stores incoming packet or last generated one.
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*/
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packet_t *packet;
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/**
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* Linked List where payload data are stored in
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*/
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linked_list_t *payloads;
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};
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/**
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* Implements message_t's destroy function.
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* See #message_s.destroy.
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*/
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static status_t destroy (private_message_t *this)
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{
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if (this->packet != NULL)
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{
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this->packet->destroy(this->packet);
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}
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this->payloads->destroy(this->payloads);
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allocator_free(this);
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return SUCCESS;
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}
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/*
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* Described in Header-File
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*/
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message_t *message_create_from_packet(packet_t *packet)
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{
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private_message_t *this = allocator_alloc_thing(private_message_t);
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if (this == NULL)
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{
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return NULL;
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}
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/* public functions */
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this->public.destroy = (status_t(*)(message_t*))destroy;
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/* private values */
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this->packet = packet;
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this->payloads = linked_list_create();
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if (this->payloads == NULL)
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{
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allocator_free(this);
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return NULL;
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}
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return (&this->public);
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}
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/*
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* Described in Header-File
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*/
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message_t *message_create()
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{
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return message_create_from_packet(NULL);
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}
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