diff options
Diffstat (limited to 'tinySMS/src/tpdu/tsms_tpdu_deliver.c')
| -rw-r--r-- | tinySMS/src/tpdu/tsms_tpdu_deliver.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/tinySMS/src/tpdu/tsms_tpdu_deliver.c b/tinySMS/src/tpdu/tsms_tpdu_deliver.c new file mode 100644 index 0000000..d85660b --- /dev/null +++ b/tinySMS/src/tpdu/tsms_tpdu_deliver.c @@ -0,0 +1,263 @@ +/* +* Copyright (C) 2009 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 tsms_tpdu_deliver.c + * @brief SMS TPDU SMS-DELIVER message as per 3GPP TS 23.040 section 9.2.2.1. + * + * @author Mamadou Diop <diopmamadou(at)doubango.org> + * + * @date Created: Sat Nov 8 16:54:58 2009 mdiop + */ +#include "tinysms/tpdu/tsms_tpdu_deliver.h" + +#include "tsk_string.h" +#include "tsk_memory.h" +#include "tsk_debug.h" + +#include <string.h> /* memcpy */ + +#define TSMS_ERROR_TOO_SHORT()\ + TSK_DEBUG_ERROR("SMS-DELIVER == Data too short.");\ + failed = tsk_true;\ + goto bail; + +/** internal function used to deserialize a buffer containing a SMS-DELIVER message. */ +tsms_tpdu_message_t* _tsms_tpdu_deliver_deserialize(const void* data, tsk_size_t size) +{ + /* You don't need to test data and test, this is an internal function called by tsms_tpdu_message_deserialize() */ + tsms_tpdu_deliver_t* self = tsms_tpdu_deliver_create(tsk_null, tsk_null); + tsk_bool_t failed = tsk_false; + tsk_size_t any_len; + const uint8_t* pdata = data; + const uint8_t* pend = pdata + size; + + /* SMSC address */ +#if TSMS_TPDU_APPEND_SMSC + if(!(self->smsc = tsms_address_deserialize(data, size, tsms_addr_smsc, &any_len)) || !any_len){ + TSK_DEBUG_ERROR("SMS-DELIVER == Failed to parse SMSC address"); + failed = tsk_true; + goto bail; + } + else{ + if((pdata += any_len) >= pend){ + TSMS_ERROR_TOO_SHORT(); + } + } +#endif + + /* SMS-DELIVER first Octect: + - TP-Message-Type-Indicator(2b) + - TP-More-Messages-to-Send(1b) + - TP-Loop-Prevention(1b) + - TP-Reply-Path(1b) + - TP-User-Data-Header-Indicator(1b) + - TP-Status-Report-Indication(1b) + +----+----+----+----+----+----+----+----+ + | RP|UDHI|SRI | |LP |MMS | MTI | + +----+----+----+----+----+----+----+----+ + */ + TSMS_TPDU_MESSAGE(self)->mti = (*pdata & 0x03); + self->mms = (*pdata & 0x04)>>2, + self->lp = (*pdata & 0x08)>>3, + self->sri = (*pdata & 0x20)>>5, + self->udhi = (*pdata & 0x40)>>6, + self->rp = (*pdata & 0x80)>>7; + if((++pdata) >= pend){ + TSMS_ERROR_TOO_SHORT(); + } + + /* 3GPP TS 23.040 ==> TP-Originating-Address (TP-OA)*/ + if(!(self->oa = tsms_address_deserialize(pdata, (pend-pdata), tsms_addr_oa, &any_len)) || !any_len){ + TSK_DEBUG_ERROR("SMS-DELIVER == Failed to parse OA address"); + failed = tsk_true; + goto bail; + } + else{ + if((pdata += any_len) >= pend){ + TSMS_ERROR_TOO_SHORT(); + } + } + + /* 3GPP TS 23.040 ==> 9.2.3.9 TP-Protocol-Identifier (TP-PID) + * 1o */ + TSMS_TPDU_MESSAGE(self)->pid = *pdata; + if((++pdata) >= pend){ + TSMS_ERROR_TOO_SHORT(); + } + + /* 3GPP TS 23.040 ==> 9.2.3.10 TP-Data-Coding-Scheme (TP-DCS) + * 1o */ + TSMS_TPDU_MESSAGE(self)->dcs = *pdata; + if((++pdata) >= pend){ + TSMS_ERROR_TOO_SHORT(); + } + + /* 3GPP TS 23.040 ==> TP-Service-Centre-Time-Stamp (TP-SCTS) + * 7o */ + if((pend - pdata)<=7){ + TSMS_ERROR_TOO_SHORT(); + } + memcpy(self->scts, pdata, 7); + pdata += 7; + + + /* 3GPP TS 23.040 ==> 9.2.3.16 TP-User-Data-Length (TP-UDL) + * 1o */ + TSMS_TPDU_MESSAGE(self)->udl = *pdata; + pdata++; + + /* 3GPP TS 23.040 ==> 9.2.3.24 TP-User Data (TP-UD) */ + if((pend-pdata) > 0){ + TSMS_TPDU_MESSAGE(self)->ud = tsk_buffer_create(pdata, (pend-pdata)); + } + + bail: + if(failed){ + TSK_OBJECT_SAFE_FREE(self); + } + return TSMS_TPDU_MESSAGE(self); +} + +/** internal function used to serialize a SMS-DELIVER message. */ +int _tsms_tpdu_deliver_serialize(const tsms_tpdu_deliver_t* self, tsk_buffer_t* output) +{ + uint8_t _1byte; + + if(!self){ + return -1; + } + +/* SMSC address */ +#if TSMS_TPDU_APPEND_SMSC + tsms_address_serialize(self->smsc, output); +#endif + + /* SMS-DELIVER first Octect: + - TP-Message-Type-Indicator(2b) + - TP-More-Messages-to-Send(1b) + - TP-Loop-Prevention(1b) + - TP-Reply-Path(1b) + - TP-User-Data-Header-Indicator(1b) + - TP-Status-Report-Indication(1b) + +----+----+----+----+----+----+----+----+ + | RP|UDHI|SRI | |LP |MMS | MTI | + +----+----+----+----+----+----+----+----+ + */ + _1byte = (TSMS_TPDU_MESSAGE(self)->mti & 0xF3); /*2b*/ + _1byte |= ((uint8_t)self->mms) << 2 /*1b*/ + | ((uint8_t)self->lp) << 3 /*1b*/ + /*1b (unused)*/ + | ((uint8_t)self->sri) << 5 /*1b*/ + | ((uint8_t)self->udhi) << 6 /*1b*/ + | ((uint8_t)self->rp) << 7; /*1b*/ + tsk_buffer_append(output, &_1byte, 1); + + /* 3GPP TS 23.040 ==> TP-Originating-Address (TP-OA)*/ + tsms_address_serialize(self->oa, output); + + /* 3GPP TS 23.040 ==> 9.2.3.9 TP-Protocol-Identifier (TP-PID)*/ + tsk_buffer_append(output, &TSMS_TPDU_MESSAGE(self)->pid, 1); /*1o*/ + + /* 3GPP TS 23.040 ==> 9.2.3.10 TP-Data-Coding-Scheme (TP-DCS)*/ + tsk_buffer_append(output, &TSMS_TPDU_MESSAGE(self)->dcs, 1); /*1o*/ + + /* 3GPP TS 23.040 ==> TP-Service-Centre-Time-Stamp (TP-SCTS)*/ + tsk_buffer_append(output, self->scts, sizeof(self->scts)); /*7o*/ + + /* 3GPP TS 23.040 ==> 9.2.3.16 TP-User-Data-Length (TP-UDL) */ + tsk_buffer_append(output, &TSMS_TPDU_MESSAGE(self)->udl, 1); /*1o*/ + + /* 3GPP TS 23.040 ==> 9.2.3.24 TP-User Data (TP-UD) */ + tsk_buffer_append(output, TSK_BUFFER_DATA(TSMS_TPDU_MESSAGE(self)->ud), TSK_BUFFER_SIZE(TSMS_TPDU_MESSAGE(self)->ud)); + + return 0; +} + +/**@ingroup tsms_tpdu_group +* Creates new @a SMS-DELIVER message. +* @a SMS-DELIVER messages are used to convey short messages from the SC (Service Center) to the MS (Mobile Station).<br> +* For more information, please refer to 3GPP TS 23.040 section 9.2.2.1. +* @param smsc SMSC address. e.g. "+331253688". +* @param orig The Originator address. e.g. "+331253688". +* @retval SMS-DELIVER message. +* +* See For more information, see @ref tsms_tpdu_group_DELIVER "SMS-DELIVER". +*/ +tsms_tpdu_deliver_t* tsms_tpdu_deliver_create(const tsms_address_string_t smsc, const tsms_address_string_t orig) +{ + tsms_tpdu_deliver_t* ret = tsk_null; + + if(!(ret = tsk_object_new(tsms_tpdu_deliver_def_t, smsc, orig))){ + goto bail; + } + +bail: + return ret; +} + +//================================================================================================= +// SMS TPDU SMS-DELIVER object definition +// +static tsk_object_t* tsms_tpdu_deliver_ctor(tsk_object_t * self, va_list * app) +{ + tsms_tpdu_deliver_t *deliver = self; + if(deliver){ + const char* smsc, *orig; + + smsc = va_arg(*app, const char*); + orig = va_arg(*app, const char*); + + /* init base*/ + tsms_tpdu_message_init(TSMS_TPDU_MESSAGE(deliver), tsms_tpdu_mti_deliver_mt); + /* init self */ + deliver->mms = TSMS_TPDU_DEFAULT_MMS; + if(smsc){ + deliver->smsc = tsms_address_smsc_create((const uint8_t*)smsc); + } + if(orig){ + deliver->oa = tsms_address_oa_create((const uint8_t*)orig); + } + } + return self; +} + +static tsk_object_t* tsms_tpdu_deliver_dtor(tsk_object_t * self) +{ + tsms_tpdu_deliver_t *deliver = self; + if(deliver){ + /*deinit base*/ + tsms_tpdu_message_deinit(TSMS_TPDU_MESSAGE(deliver)); + /*deinit self*/ + TSK_OBJECT_SAFE_FREE(deliver->oa); + TSK_OBJECT_SAFE_FREE(deliver->smsc); + } + return self; +} + +static const tsk_object_def_t tsms_tpdu_deliver_def_s = +{ + sizeof(tsms_tpdu_deliver_t), + tsms_tpdu_deliver_ctor, + tsms_tpdu_deliver_dtor, + tsk_null, +}; +const tsk_object_def_t *tsms_tpdu_deliver_def_t = &tsms_tpdu_deliver_def_s; |
