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* 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_result.c
* @brief SigComp decompresion result.
*
* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
*
*/
#include "tcomp_result.h"
#include "tsk_memory.h"
#include "tsk_debug.h"
/** Creates new SigComp result object.
*/
tcomp_result_t* tcomp_result_create()
{
return tsk_object_new(tcomp_result_def_t);
}
tcomp_tempstate_to_free_t* tcomp_tempstate_to_free_create()
{
return tsk_object_new(tcomp_tempstate_to_free_def_t);
}
/**Resets the result.
*/
void _tcomp_result_reset(tcomp_result_t *result, tsk_bool_t isDestructor, tsk_bool_t isResetOutput)
{
if(result){
uint8_t i;
for(i = 0; i < result->statesToCreateIndex; i++){
TSK_OBJECT_SAFE_FREE(result->statesToCreate[i]);
}
for(i = 0; i < result->statesToFreeIndex; i++){
TSK_OBJECT_SAFE_FREE(result->statesToFree[i]);
}
if(!isDestructor){
result->statesToCreateIndex = 0;
result->statesToFreeIndex = 0;
result->consumed_cycles = 0;
tcomp_params_reset(result->remote_parameters);
if(isResetOutput){
tcomp_buffer_reset(result->output_buffer);
}
tcomp_reqfeed_reset(result->req_feedback);
tcomp_buffer_freeBuff(result->ret_feedback);
result->isNack = 0;
tcomp_buffer_freeBuff(result->nack_info);
}
}
else{
TSK_DEBUG_ERROR("NULL SigComp result.");
}
}
/**Sets the output buffer.
*/
void tcomp_result_setOutputBuffer(tcomp_result_t *result, void *output_ptr, tsk_size_t output_size, tsk_bool_t isStream, uint64_t streamId)
{
if(result){
tcomp_buffer_referenceBuff(result->output_buffer, (uint8_t*)output_ptr, output_size);
result->isStreamBased = isStream;
result->streamId = streamId;
}
else{
TSK_DEBUG_ERROR("NULL SigComp result.");
}
}
/**Sets the compartment identifier.
*/
void tcomp_result_setCompartmentId(tcomp_result_t *result, const void *id, tsk_size_t len)
{
if(result){
result->compartmentId = tcomp_buffer_createHash(id, len);
}
else{
TSK_DEBUG_ERROR("NULL SigComp result.");
}
}
/**Adds temporary state.
*/
void tcomp_result_addTempStateToCreate(tcomp_result_t *result, tcomp_state_t* lpState)
{
if(result){
/*
* Note that there is a maximum limit of four state creation requests per instance of the UDVM.
*/
if(result->statesToCreateIndex >= MAX_TEMP_SATES) {
TSK_DEBUG_ERROR("Maximum limit for %d state creation requests reached", MAX_TEMP_SATES);
return;
}
// Add state
result->statesToCreate[result->statesToCreateIndex++] = lpState;
}
else{
TSK_DEBUG_ERROR("NULL SigComp result.");
}
}
/**Gets the number of temporary state (to be created).
*/
uint8_t tcomp_result_getTempStatesToCreateSize(const tcomp_result_t *result)
{
if(result){
return result->statesToCreateIndex;
}
else{
TSK_DEBUG_ERROR("NULL SigComp result.");
}
return 0;
}
/**Adds temporary state (to be freed).
*/
void tcomp_result_addTempStateToFree(tcomp_result_t *result, tcomp_tempstate_to_free_t* lpDesc)
{
if(result){
/*
* Decompression failure MUST occur if more than four state free
* requests are made before the END-MESSAGE instruction is encountered.
*/
if(result->statesToFreeIndex >= MAX_TEMP_SATES) {
return;
}
result->statesToFree[result->statesToFreeIndex++] = lpDesc;
}
else{
TSK_DEBUG_ERROR("NULL SigComp result.");
}
}
/**Gets the number of temporary state (to be be freed).
*/
uint8_t tcomp_result_getTempStatesToFreeSize(const tcomp_result_t *result)
{
if(result){
return result->statesToFreeIndex;
}
else{
TSK_DEBUG_ERROR("NULL SigComp result.");
}
return 0;
}
//========================================================
// SigComp result object definition
//
static tsk_object_t* tcomp_result_ctor(tsk_object_t *self, va_list * app)
{
tcomp_result_t* result = self;
if(result){
result->output_buffer = tcomp_buffer_create_null();
result->ret_feedback = tcomp_buffer_create_null();
result->nack_info = tcomp_buffer_create_null();
result->remote_parameters = tcomp_params_create();
result->req_feedback = tcomp_reqfeed_create();
}
else{
TSK_DEBUG_ERROR("Null result object");
}
return self;
}
static tsk_object_t* tcomp_result_dtor(tsk_object_t * self)
{
tcomp_result_t* result = self;
if(result){
_tcomp_result_reset(result, tsk_true, tsk_true);
TSK_OBJECT_SAFE_FREE(result->output_buffer);
TSK_OBJECT_SAFE_FREE(result->ret_feedback);
TSK_OBJECT_SAFE_FREE(result->nack_info);
TSK_OBJECT_SAFE_FREE(result->remote_parameters);
TSK_OBJECT_SAFE_FREE(result->req_feedback);
}
else{
TSK_DEBUG_ERROR("Null result object");
}
return self;
}
static const tsk_object_def_t tcomp_result_def_s =
{
sizeof(tcomp_result_t),
tcomp_result_ctor,
tcomp_result_dtor,
tsk_null
};
const tsk_object_def_t *tcomp_result_def_t = &tcomp_result_def_s;
//========================================================
// SigComp temporary state object definition
//
static tsk_object_t* tcomp_tempstate_to_free_ctor(tsk_object_t* self, va_list * app)
{
tcomp_tempstate_to_free_t* tempstate_to_free = self;
if(tempstate_to_free){
tempstate_to_free->identifier = tcomp_buffer_create_null();
}
else{
TSK_DEBUG_ERROR("Null object");
}
return self;
}
static tsk_object_t* tcomp_tempstate_to_free_dtor(tsk_object_t* self)
{
tcomp_tempstate_to_free_t* tempstate_to_free = self;
if(tempstate_to_free){
TSK_OBJECT_SAFE_FREE(tempstate_to_free->identifier);
}
else{
TSK_DEBUG_ERROR("Null object");
}
return self;
}
static const tsk_object_def_t tcomp_tempstate_to_free_def_s =
{
sizeof(tcomp_tempstate_to_free_t),
tcomp_tempstate_to_free_ctor,
tcomp_tempstate_to_free_dtor,
tsk_null
};
const tsk_object_def_t* tcomp_tempstate_to_free_def_t = &tcomp_tempstate_to_free_def_s; |