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Diffstat (limited to 'tinySIGCOMP/src/tcomp_result.c')
| -rw-r--r-- | tinySIGCOMP/src/tcomp_result.c | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/tinySIGCOMP/src/tcomp_result.c b/tinySIGCOMP/src/tcomp_result.c new file mode 100644 index 0000000..457ba65 --- /dev/null +++ b/tinySIGCOMP/src/tcomp_result.c @@ -0,0 +1,273 @@ +/* +* 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 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; |
