171 lines
3.7 KiB
Ragel
Executable File
171 lines
3.7 KiB
Ragel
Executable File
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/*
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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_RAck.c
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* @brief SIP RAck header as per RFC 3262.
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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_RAck.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_RAck;
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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 parse_seq{
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TSK_PARSER_SET_UINT(hdr_rack->seq);
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}
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action parse_cseq{
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TSK_PARSER_SET_UINT(hdr_rack->cseq);
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}
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action parse_method{
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TSK_PARSER_SET_STRING(hdr_rack->method);
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}
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action eob{
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}
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RAck = "RAck"i HCOLON DIGIT+>tag %parse_seq LWS DIGIT+>tag %parse_cseq LWS Method>tag %parse_method;
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# Entry point
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main := RAck :>CRLF @eob;
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}%%
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tsip_header_RAck_t* tsip_header_RAck_create(uint32_t seq, uint32_t cseq, const char* method)
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{
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return tsk_object_new(TSIP_HEADER_RACK_VA_ARGS(seq, cseq, method));
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}
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tsip_header_RAck_t* tsip_header_RAck_create_null()
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{
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return tsip_header_RAck_create(0, 0, tsk_null);
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}
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int tsip_header_RAck_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_RAck_t *RAck = (const tsip_header_RAck_t *)header;
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return tsk_buffer_append_2(output, "%u %u %s", RAck->seq, RAck->cseq, RAck->method);
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}
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return -1;
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}
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tsip_header_RAck_t *tsip_header_RAck_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_RAck_t *hdr_rack = tsip_header_RAck_create_null();
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const char *tag_start = tsk_null;
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%%write data;
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(void)(eof);
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(void)(tsip_machine_parser_header_RAck_first_final);
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(void)(tsip_machine_parser_header_RAck_error);
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(void)(tsip_machine_parser_header_RAck_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 'RAck' header.");
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TSK_OBJECT_SAFE_FREE(hdr_rack);
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}
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return hdr_rack;
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}
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//========================================================
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// RAck header object definition
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//
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static tsk_object_t* tsip_header_RAck_ctor(tsk_object_t *self, va_list * app)
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{
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tsip_header_RAck_t *RAck = self;
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if(RAck){
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TSIP_HEADER(RAck)->type = tsip_htype_RAck;
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TSIP_HEADER(RAck)->serialize = tsip_header_RAck_serialize;
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RAck->seq = va_arg(*app, uint32_t);
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RAck->cseq = va_arg(*app, uint32_t);
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RAck->method = tsk_strdup( va_arg(*app, const char*) );
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}
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else{
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TSK_DEBUG_ERROR("Failed to create new RAck 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_RAck_dtor(tsk_object_t *self)
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{
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tsip_header_RAck_t *RAck = self;
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if(RAck){
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TSK_FREE(RAck->method);
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TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(RAck));
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}
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else{
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TSK_DEBUG_ERROR("Null RAck 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_RAck_def_s =
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{
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sizeof(tsip_header_RAck_t),
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tsip_header_RAck_ctor,
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tsip_header_RAck_dtor,
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tsk_null
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};
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const tsk_object_def_t *tsip_header_RAck_def_t = &tsip_header_RAck_def_s;
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