| c732d49e |
* Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
*
* The original file was part of Open Source Doubango Framework
* Copyright (C) 2010-2011 Mamadou Diop.
* Copyright (C) 2012 Doubango Telecom <http://doubango.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 tcomp_params.c
* @brief SigComp parameters as per rfc 3320 subclause 3.3.
*
* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
*
*/
#include "tcomp_params.h"
#include "tsk_binaryutils.h"
#include "tsk_memory.h"
#include "tsk_debug.h"
tcomp_params_t* tcomp_params_create()
{
return tsk_object_new(tcomp_params_def_t);
}
/**
* Checks if CPB, DMS and SMS values have been initialized.
* @param params The sigcomp parameters containing the values to check.
* @retval @a tsk_true if values have been set and @a tsk_false otherwise.
*/
tsk_bool_t tcomp_params_hasCpbDmsSms(tcomp_params_t* params)
{
if(params){
return (params->cpbCode || params->dmsCode || params->smsCode) ? tsk_true : tsk_false;
}
else{
TSK_DEBUG_WARN("Invalid parameter.");
}
return tsk_false;
}
/**
* Sets CPB bits.
* @param params The sigcomp parameters containing cpb bits to set.
* @param cpbCode The new CPB code.
* @sa @ref tcomp_params_setCpbValue.
*/
void tcomp_params_setCpbCode(tcomp_params_t* params, uint8_t cpbCode)
{
if(params){
params->cpbCode = cpbCode;
params->cpbValue = sigcomp_encoding_cpb[cpbCode];
}
else{
TSK_DEBUG_ERROR("Invalid parameter.");
}
}
/**
* Sets CPB bits.
* @param params The sigcomp parameters containing cpb bits to set.
* @param cpbValue The new CPB value.
* @sa @ref tcomp_params_setCpbCode.
*/
int tcomp_params_setCpbValue(tcomp_params_t* params, uint8_t cpbValue)
{
if(params)
{
uint8_t code;
for(code=0; code<4; code++){
if( cpbValue <= sigcomp_encoding_cpb[code]){
params->cpbCode = code;
break;
}
}
params->cpbValue = cpbValue;
return 0;
}
else{
TSK_DEBUG_ERROR("Invalid parameter.");
return -1;
}
}
/**
* Sets DMS bits.
* @param params The sigcomp parameters containing dms bits to set.
* @param dmsCode The new DMS code.
* @sa @ref tcomp_params_setDmsValue.
*/
void tcomp_params_setDmsCode(tcomp_params_t* params, uint8_t dmsCode)
{
if(params){
params->dmsCode = dmsCode;
params->dmsValue = sigcomp_encoding_dms[dmsCode];
}
else{
TSK_DEBUG_ERROR("Invalid parameter.");
}
}
/**
* Sets DMS bits.
* @param params The sigcomp parameters containing dms bits to set.
* @param dmsValue The new DMS value.
* @sa @ref tcomp_params_setDmsCode.
*/
int tcomp_params_setDmsValue(tcomp_params_t* params, uint32_t dmsValue)
{
if(params){
uint8_t code;
for(code=1; code<8; code++){
if(dmsValue <= sigcomp_encoding_dms[code]){
params->dmsCode = code;
break;
}
}
params->dmsValue = dmsValue;
return 0;
}
else{
TSK_DEBUG_ERROR("Invalid parameter.");
return -1;
}
}
/**
* Sets SMS bits.
* @param params The sigcomp parameters containing sms bits to set.
* @param smsCode The new SMS code.
* @sa @ref tcomp_params_setSmsValue.
*/
void tcomp_params_setSmsCode(tcomp_params_t* params, uint8_t smsCode)
{
if(params){
params->smsCode = smsCode;
params->smsValue = sigcomp_encoding_sms[smsCode];
}
else{
TSK_DEBUG_ERROR("Invalid parameter.");
}
}
/**
* Sets SMS bits.
* @param params The sigcomp parameters containing sms bits to set.
* @param smsValue The new SMS value.
* @sa @ref tcomp_params_setSmsCode
*/
int tcomp_params_setSmsValue(tcomp_params_t* params, uint32_t smsValue)
{
if(params){
uint8_t code;
for(code = 0; code < 8; code++){
if(smsValue <= sigcomp_encoding_sms[code]){
params->smsCode = code;
break;
}
}
params->smsValue = smsValue;
return 0;
}
else{
TSK_DEBUG_ERROR("Invalid parameter.");
return -1;
}
}
/**
* Gets CPB, DMS and SMS values as a single 2-bytes value.
* @param params The sigcomp parameters containing the values.
* @retval CPB||DMS||SMS as 2-bytes value.
* @sa @ref tcomp_params_setParameters
*/
uint32_t tcomp_params_getParameters(tcomp_params_t* params)
{
if(params){
/*
+---+---+---+---+---+---+---+---+
| cpb | dms | sms |
+---+---+---+---+---+---+---+---+
| SigComp_version |
+---+---+---+---+---+---+---+---+
*/
uint32_t result = ((params->cpbCode<<6)|(params->dmsCode<<3)|params->smsCode);
result <<=8;
return (result | params->SigComp_version);
}
else{
TSK_DEBUG_ERROR("Invalid parameter.");
}
return 0;
}
/**
* Sets CPB, DMS and SMS values.
* @param params The sigcomp parameters containing the values to set.
* @param sigCompParameters New values as 2-bytes value.
* @sa @ref tcomp_params_getParameters.
*/
void tcomp_params_setParameters(tcomp_params_t* params, uint32_t sigCompParameters)
{
if(params){
/*
+---+---+---+---+---+---+---+---+
| cpb | dms | sms |
+---+---+---+---+---+---+---+---+
| SigComp_version |
+---+---+---+---+---+---+---+---+
*/
tcomp_params_setCpbCode( params, (sigCompParameters>>14) );
tcomp_params_setDmsCode( params, ((sigCompParameters>>11) & 0x07) );
tcomp_params_setSmsCode( params, ((sigCompParameters>>8) & 0x07) );
params->SigComp_version = ( (sigCompParameters & 0x00ff) );
}
else{
TSK_DEBUG_ERROR("Invalid parameter.");
}
}
/**
* Resets all parameters.
* @param params The params to reset.
*/
void tcomp_params_reset(tcomp_params_t* params)
{
if(params){
params->cpbCode = params->dmsCode = params->smsCode = params->SigComp_version = 0;
params->cpbValue = params->dmsValue = params->smsValue = 0;
tsk_list_clear_items(params->returnedStates);
}
else{
TSK_DEBUG_WARN("Invalid parameter.");
}
}
//========================================================
// SigComp parameters object definition
//
static tsk_object_t* tcomp_params_ctor(tsk_object_t *self, va_list * app)
{
tcomp_params_t *params = self;
if(params){
//tcomp_params_reset(params);
params->returnedStates = tsk_list_create();
}
else{
TSK_DEBUG_ERROR("Failed to create new sigcomp params.");
}
return self;
}
static tsk_object_t* tcomp_params_dtor(tsk_object_t *self)
{
tcomp_params_t *params = self;
if(params){
TSK_OBJECT_SAFE_FREE(params->returnedStates);
}
else{
TSK_DEBUG_WARN("NULL sigcomp parameters.");
}
return self;
}
static const tsk_object_def_t tcomp_params_def_s =
{
sizeof(tcomp_params_t),
tcomp_params_ctor,
tcomp_params_dtor,
tsk_null
};
const tsk_object_def_t *tcomp_params_def_t = &tcomp_params_def_s; |