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Diffstat (limited to 'tinySIGCOMP/src/tcomp_state.h')
| -rw-r--r-- | tinySIGCOMP/src/tcomp_state.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tinySIGCOMP/src/tcomp_state.h b/tinySIGCOMP/src/tcomp_state.h new file mode 100644 index 0000000..1e7ef70 --- /dev/null +++ b/tinySIGCOMP/src/tcomp_state.h @@ -0,0 +1,82 @@ +/* +* 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_state.h + * @brief SIGCOMP state. + * + * @author Mamadou Diop <diopmamadou(at)yahoo.fr> + * + + */ +#ifndef TCOMP_STATE_H +#define TCOMP_STATE_H + +#include "tinysigcomp_config.h" + +#include "tcomp_buffer.h" +#include "tsk_safeobj.h" +#include "tsk_list.h" + +TCOMP_BEGIN_DECLS + +#define TCOMP_PARTIAL_ID_LEN_CODE 0x01 +#define TCOMP_PARTIAL_ID_LEN_VALUE 0x06 + +/**For the purpose of calculation, each state item is considered to cost (state_length + 64) bytes. +*/ +#define TCOMP_GET_STATE_SIZE(state) ( (state) ? ((state)->length + 64) : 0 ) + +/**SigComp state. +*/ +typedef struct tcomp_state_s +{ + TSK_DECLARE_OBJECT; + + tcomp_buffer_handle_t *value; /**< State's value. */ + tcomp_buffer_handle_t *identifier; /**< State's identifier. */ + + uint32_t length; /**< State's length. */ + uint32_t address; /**< State's address. */ + uint32_t instruction; /**< State's instruction. */ + uint32_t minimum_access_length; /**< State's minimum access length. */ + uint32_t retention_priority; /**< State's retention priority. */ + + int32_t usage_count; /**< State's usage count (to avoid duplication). */ + + TSK_DECLARE_SAFEOBJ; +} +tcomp_state_t; + +typedef tcomp_state_t tcomp_dictionary_t; /**< Ad dictionary is a @ref tcomp_state_t. */ + +tcomp_state_t* tcomp_state_create(uint32_t length, uint32_t address, uint32_t instruction, uint32_t minimum_access_length, uint32_t retention_priority); + +int tcomp_state_equals(const tcomp_state_t *state1, const tcomp_state_t *state2); +void tcomp_state_makeValid(tcomp_state_t*); +int32_t tcomp_state_inc_usage_count(tcomp_state_t*); +int32_t tcomp_state_dec_usage_count(tcomp_state_t*); + +TINYSIGCOMP_GEXTERN const tsk_object_def_t *tcomp_state_def_t; + +TCOMP_END_DECLS + +#endif /* TCOMP_STATE_H */ |
