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/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file tsip_header_Contact.c
* @brief SIP Contact/m header.
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#include "tinysip/headers/tsip_header_Contact.h"
#include "tinysip/parsers/tsip_parser_uri.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
/***********************************
* Ragel state machine.
*/
%%{
machine tsip_machine_parser_header_Contact;
# Includes
include tsip_machine_utils "./ragel/tsip_machine_utils.rl";
action tag{
tag_start = p;
}
action create_contact{
if(!curr_contact){
curr_contact = tsip_header_Contact_create();
}
}
action parse_display_name{
if(curr_contact){
TSK_PARSER_SET_STRING(curr_contact->display_name);
tsk_strunquote(&curr_contact->display_name);
}
}
action parse_uri{
if(curr_contact && !curr_contact->uri){
int len = (int)(p - tag_start);
if((curr_contact->uri = tsip_uri_parse(tag_start, (tsk_size_t)len)) && curr_contact->display_name){
curr_contact->uri->display_name = tsk_strdup(curr_contact->display_name);
}
}
}
action parse_expires{
if(curr_contact){
TSK_PARSER_SET_INTEGER(curr_contact->expires);
}
}
action parse_param{
if(curr_contact){
TSK_PARSER_ADD_PARAM(TSIP_HEADER_PARAMS(curr_contact));
}
}
action add_contact{
if(curr_contact){
tsk_list_push_back_data(hdr_contacts, ((void**) &curr_contact));
}
}
action eob{
}
URI = (scheme HCOLON any+)>tag %parse_uri;
display_name = (( token LWS )+ | quoted_string)>tag %parse_display_name;
my_name_addr = display_name? :>LAQUOT<: URI :>RAQUOT;
c_p_expires = "expires"i EQUAL delta_seconds>tag %parse_expires;
contact_extension = (generic_param)>tag %parse_param;
contact_params = c_p_expires@1 | contact_extension@0;
contact_param = ( (my_name_addr | URI) :> (SEMI contact_params)* ) >create_contact %add_contact;
Contact = ( "Contact"i | "m"i ) HCOLON ( STAR | ( contact_param ( COMMA contact_param )* ) );
# Entry point
main := Contact :>CRLF @eob;
}%%
tsip_header_Contact_t* tsip_header_Contact_create()
{
return tsk_object_new(tsip_header_Contact_def_t);
}
int tsip_header_Contact_serialize(const tsip_header_t* header, tsk_buffer_t* output)
{
if(header){
const tsip_header_Contact_t *Contact = (const tsip_header_Contact_t *)header;
int ret = 0;
/* Uri with hacked display-name*/
if((ret = tsip_uri_serialize(Contact->uri, tsk_true, tsk_true, output))){
return ret;
}
/* Expires */
if(Contact->expires >=0){
tsk_buffer_append_2(output, ";expires=%lld", Contact->expires);
}
return ret;
}
return -1;
}
tsip_header_Contacts_L_t *tsip_header_Contact_parse(const char *data, tsk_size_t size)
{
int cs = 0;
const char *p = data;
const char *pe = p + size;
const char *eof = pe;
tsip_header_Contacts_L_t *hdr_contacts = tsk_list_create();
const char *tag_start = tsk_null;
tsip_header_Contact_t *curr_contact = 0;
%%write data;
(void)(eof);
(void)(tsip_machine_parser_header_Contact_first_final);
(void)(tsip_machine_parser_header_Contact_error);
(void)(tsip_machine_parser_header_Contact_en_main);
%%write init;
%%write exec;
if( cs < %%{ write first_final; }%% ){
TSK_DEBUG_ERROR("Failed to parse SIP 'Contact' header.");
TSK_OBJECT_SAFE_FREE(curr_contact);
TSK_OBJECT_SAFE_FREE(hdr_contacts);
}
return hdr_contacts;
}
//========================================================
// Contact header object definition
//
static tsk_object_t* tsip_header_Contact_ctor(tsk_object_t *self, va_list * app)
{
tsip_header_Contact_t *Contact = self;
if(Contact){
TSIP_HEADER(Contact)->type = tsip_htype_Contact;
TSIP_HEADER(Contact)->serialize = tsip_header_Contact_serialize;
Contact->expires = -1;
}
else{
TSK_DEBUG_ERROR("Failed to create new Contact header.");
}
return self;
}
static tsk_object_t* tsip_header_Contact_dtor(tsk_object_t *self)
{
tsip_header_Contact_t *Contact = self;
if(Contact){
TSK_FREE(Contact->display_name);
TSK_OBJECT_SAFE_FREE(Contact->uri);
TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(Contact));
}
else{
TSK_DEBUG_ERROR("Null Contact header.");
}
return self;
}
static const tsk_object_def_t tsip_header_Contact_def_s =
{
sizeof(tsip_header_Contact_t),
tsip_header_Contact_ctor,
tsip_header_Contact_dtor,
tsk_null
};
const tsk_object_def_t *tsip_header_Contact_def_t = &tsip_header_Contact_def_s;
////========================================================
//// Contact object definition
////
//
///**@ingroup tsip_header_Contact_group
//*/
//static tsk_object_t* tsip_contact_ctor(tsk_object_t *self, va_list * app)
//{
// tsip_contact_t *contact = self;
// if(contact)
// {
// contact->expires = -1;
// }
// else
// {
// TSK_DEBUG_ERROR("Failed to create new Contact object.");
// }
// return self;
//}
//
//static tsk_object_t* tsip_contact_dtor(tsk_object_t *self)
//{
// tsip_contact_t *contact = self;
// if(contact)
// {
// TSK_FREE(contact->display_name);
// TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(contact));
//
// TSK_OBJECT_SAFE_FREE(contact->uri);
// }
// else TSK_DEBUG_ERROR("Null Contact object.");
//
// return self;
//}
//
//static const tsk_object_def_t tsip_contact_def_s =
//{
// sizeof(tsip_contact_t),
// tsip_contact_ctor,
// tsip_contact_dtor,
// 0
//};
//const void *tsip_contact_def_t = &tsip_contact_def_s; |