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Diffstat (limited to 'tinySIGCOMP/src/tcomp_dicts.c')
| -rw-r--r-- | tinySIGCOMP/src/tcomp_dicts.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/tinySIGCOMP/src/tcomp_dicts.c b/tinySIGCOMP/src/tcomp_dicts.c new file mode 100644 index 0000000..ede9efe --- /dev/null +++ b/tinySIGCOMP/src/tcomp_dicts.c @@ -0,0 +1,100 @@ +/* +* Copyright (C) 2009-2010 Mamadou Diop. +* +* Contact: Mamadou Diop <diopmamadou(at)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_dicts.c + * @brief SigComp Dictionaries + * + * @author Mamadou Diop <diopmamadou(at)yahoo.fr> + * + * @date Created: Sat Nov 8 16:54:58 2009 mdiop + */ +#include "tcomp_dicts.h" +#include "tcomp_buffer.h" + +#include "tcomp_rfc3485_dictionary_sip.h" +#include "tcomp_rfc5112_dictionary_presence.h" + +#include "tsk_debug.h" + +/**Presence-Specific Static Dictionary for Signaling Compression as per RFC 5112. +*/ +tcomp_dictionary_t* tcomp_dicts_create_presence_dict() +{ + static const char *pres_dict_data = RFC5112_DICTIONARY_PRESENCE_VALUE; + static tcomp_dictionary_t * pres_dict = tsk_null; + + if(!pres_dict) + { + pres_dict = tcomp_state_create( + RFC5112_DICTIONARY_PRESENCE_VALUE_LENGTH, + RFC5112_DICTIONARY_PRESENCE_STATE_ADDRESS, + RFC5112_DICTIONARY_PRESENCE_STATE_INSTRUCTION, + RFC5112_DICTIONARY_PRESENCE_MINIMUM_ACCESS_LENGTH, + 65535); + + if(pres_dict){ + tcomp_buffer_referenceBuff(pres_dict->value, (uint8_t*)pres_dict_data, RFC5112_DICTIONARY_PRESENCE_VALUE_LENGTH); + tcomp_state_makeValid(pres_dict); + } + else{ + TSK_DEBUG_ERROR("Failed to create Presence dictionary."); + } + } + else{ + pres_dict = tsk_object_ref(pres_dict); + } + + return pres_dict; +} + +/**The Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Static Dictionary for Signaling Compression as per RFC 3485. +*/ +tcomp_dictionary_t* tcomp_dicts_create_sip_dict() +{ + + static const char *sip_dict_data = RFC3485_DICTIONARY_SIP_VALUE; + static tcomp_dictionary_t *sip_dict = tsk_null; + + if(!sip_dict){ + sip_dict = tcomp_state_create( + RFC3485_DICTIONARY_SIP_VALUE_LENGTH, + RFC3485_DICTIONARY_SIP_STATE_ADDRESS, + RFC3485_DICTIONARY_SIP_STATE_INSTRUCTION, + RFC3485_DICTIONARY_SIP_MINIMUM_ACCESS_LENGTH, + 65535); + + if(sip_dict){ + tcomp_buffer_referenceBuff(sip_dict->value, (uint8_t*)sip_dict_data, RFC3485_DICTIONARY_SIP_VALUE_LENGTH); + tcomp_state_makeValid(sip_dict); + } + else{ + TSK_DEBUG_ERROR("Failed to create SIP/SDP dictionary."); + } + } + else{ + /* take ownership */ + sip_dict = tsk_object_ref(sip_dict); + } + + return sip_dict; +} + |
