171 lines
4.0 KiB
Ragel
171 lines
4.0 KiB
Ragel
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou@yahoo.fr>
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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 tmsrp_header_Status.c
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* @brief MSRP 'Status' header.
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*
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* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
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*
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* @date Created: Sat Nov 8 16:54:58 2009 mdiop
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*/
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#include "tinyMSRP/headers/tmsrp_header_Status.h"
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#include "tsk_debug.h"
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#include "tsk_memory.h"
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#include "tsk_string.h"
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#include <string.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 tmsrp_machine_parser_header_Status;
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# Includes
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include tmsrp_machine_utils "./tmsrp_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_namespace{
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TSK_PARSER_SET_INT(hdr_Status->namespace);
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}
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action parse_code{
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TSK_PARSER_SET_INT(hdr_Status->code);
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}
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action parse_reason{
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TSK_PARSER_SET_STRING(hdr_Status->reason);
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}
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#/// @par ABNF : Status = "Status:" SP namespace SP status-code [SP text-reason]
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#/// namespace = 3(DIGIT) ; "000" for all codes defined in RFC 4975
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#/// text-reason = utf8text
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Status = "Status:"i SP DIGIT{3}>tag %parse_namespace SP DIGIT{3}>tag %parse_code (SP utf8text>tag %parse_reason)?;
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# Entry point
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main := Status :>CRLF?;
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}%%
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int tmsrp_header_Status_tostring(const tmsrp_header_t* header, tsk_buffer_t* output)
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{
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if(header)
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{
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const tmsrp_header_Status_t *Status = (const tmsrp_header_Status_t *)header;
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// Status: 000 200 OK
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return tsk_buffer_appendEx(output, "%.3hi %.3hi%s%s",
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Status->namespace,
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Status->code,
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Status->reason ? " " : "",
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Status->reason ? Status->reason : ""
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);
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}
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return -1;
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}
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tmsrp_header_Status_t *tmsrp_header_Status_parse(const char *data, 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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tmsrp_header_Status_t *hdr_Status = TMSRP_HEADER_STATUS_CREATE_NULL();
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const char *tag_start;
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%%write data;
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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 'Status' header.");
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TSK_OBJECT_SAFE_FREE(hdr_Status);
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}
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return hdr_Status;
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}
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//========================================================
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// Status header object definition
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//
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static void* tmsrp_header_Status_create(void *self, va_list * app)
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{
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tmsrp_header_Status_t *Status = self;
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if(Status)
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{
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TMSRP_HEADER(Status)->type = tmsrp_htype_Status;
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TMSRP_HEADER(Status)->tostring = tmsrp_header_Status_tostring;
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#if defined(__GNUC__)
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Status->namespace = (short)va_arg(*app, int);
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Status->code = (short)va_arg(*app, int);
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#else
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Status->namespace = va_arg(*app, short);
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Status->code = va_arg(*app, short);
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#endif
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Status->reason = 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 Status header.");
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}
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return self;
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}
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static void* tmsrp_header_Status_destroy(void *self)
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{
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tmsrp_header_Status_t *Status = self;
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if(Status){
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TSK_FREE(Status->reason);
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}
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else{
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TSK_DEBUG_ERROR("Null Status header.");
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}
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return self;
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}
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static int tmsrp_header_Status_cmp(const tsk_object_t *obj1, const tsk_object_t *obj2)
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{
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return -1;
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}
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static const tsk_object_def_t tmsrp_header_Status_def_s =
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{
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sizeof(tmsrp_header_Status_t),
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tmsrp_header_Status_create,
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tmsrp_header_Status_destroy,
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tmsrp_header_Status_cmp
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};
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const void *tmsrp_header_Status_def_t = &tmsrp_header_Status_def_s;
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