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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_Content_Length.c
* @brief SIP Content-Length/l header.
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#include "tinysip/headers/tsip_header_Content_Length.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
/***********************************
* Ragel state machine.
*/
%%{
machine tsip_machine_parser_header_Content_Length;
# Includes
include tsip_machine_utils "./ragel/tsip_machine_utils.rl";
action tag{
tag_start = p;
}
action parse_content_length{
TSK_PARSER_SET_INTEGER(hdr_clength->length);
}
action eob{
}
Content_Length = ( "Content-Length"i | "l"i ) HCOLON (DIGIT+)>tag %parse_content_length;
# Entry point
main := Content_Length :>CRLF @eob;
}%%
tsip_header_Content_Length_t* tsip_header_Content_Length_create(uint32_t length)
{
return tsk_object_new(TSIP_HEADER_CONTENT_LENGTH_VA_ARGS(length));
}
tsip_header_Content_Length_t* tsip_header_Content_Length_create_null()
{
return tsip_header_Content_Length_create(0);
}
int tsip_header_Content_Length_serialize(const tsip_header_t* header, tsk_buffer_t* output)
{
if(header){
const tsip_header_Content_Length_t *Content_Length = (const tsip_header_Content_Length_t *)header;
return tsk_buffer_append_2(output, "%u", Content_Length->length);
}
return -1;
}
tsip_header_Content_Length_t *tsip_header_Content_Length_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_Content_Length_t *hdr_clength = tsip_header_Content_Length_create(0);
const char *tag_start = tsk_null;
%%write data;
(void)(eof);
(void)(tsip_machine_parser_header_Content_Length_first_final);
(void)(tsip_machine_parser_header_Content_Length_error);
(void)(tsip_machine_parser_header_Content_Length_en_main);
%%write init;
%%write exec;
if( cs < %%{ write first_final; }%% ){
TSK_DEBUG_ERROR("Failed to parse SIP 'Content-Length' header.");
TSK_OBJECT_SAFE_FREE(hdr_clength);
}
return hdr_clength;
}
//========================================================
// Content_Length header object definition
//
static tsk_object_t* tsip_header_Content_Length_ctor(tsk_object_t *self, va_list * app)
{
tsip_header_Content_Length_t *Content_Length = self;
if(Content_Length){
Content_Length->length = va_arg(*app, uint32_t);
TSIP_HEADER(Content_Length)->type = tsip_htype_Content_Length;
TSIP_HEADER(Content_Length)->serialize = tsip_header_Content_Length_serialize;
}
else{
TSK_DEBUG_ERROR("Failed to create new Content_Length header.");
}
return self;
}
static tsk_object_t* tsip_header_Content_Length_dtor(tsk_object_t *self)
{
tsip_header_Content_Length_t *Content_Length = self;
if(Content_Length){
TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(Content_Length));
}
else{
TSK_DEBUG_ERROR("Null Content_Length header.");
}
return self;
}
static const tsk_object_def_t tsip_header_Content_Length_def_s =
{
sizeof(tsip_header_Content_Length_t),
tsip_header_Content_Length_ctor,
tsip_header_Content_Length_dtor,
tsk_null
};
const tsk_object_def_t *tsip_header_Content_Length_def_t = &tsip_header_Content_Length_def_s;
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