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