376 lines
10 KiB
C++
Executable File
376 lines
10 KiB
C++
Executable File
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou@doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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#include "SMSEncoder.h"
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// Short description: http://betelco.blogspot.com/2009/10/sms-over-3gpp-ims-network.html
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RPMessage::RPMessage(twrap_rpmessage_type_t _type, tsms_rpdu_message_t* _rp_message)
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{
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this->rp_message = (tsms_rpdu_message_t*)tsk_object_ref(_rp_message);
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this->type = _type;
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this->tmpBuffer = tsk_null;
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}
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RPMessage::RPMessage() :
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rp_message(tsk_null),
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type(twrap_rpmessage_type_sms_none),
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tmpBuffer(tsk_null)
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{
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}
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twrap_rpmessage_type_t RPMessage::getType()
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{
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return this->type;
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}
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unsigned RPMessage::getPayloadLength()
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{
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if(!this->tmpBuffer){
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if((this->tmpBuffer = tsk_buffer_create_null())){
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tsms_rpdu_data_serialize(this->rp_message, this->tmpBuffer);
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}
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}
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return this->tmpBuffer ? this->tmpBuffer->size : 0;
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}
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unsigned RPMessage::getPayload(void* output, unsigned maxsize)
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{
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unsigned retsize = 0;
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if(!this->tmpBuffer){
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if((this->tmpBuffer = tsk_buffer_create_null())){
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tsms_rpdu_message_serialize(this->rp_message, this->tmpBuffer);
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}
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}
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if(output && maxsize && this->tmpBuffer && this->tmpBuffer->data){
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retsize = (this->tmpBuffer->size > maxsize) ? maxsize : this->tmpBuffer->size;
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memcpy(output, this->tmpBuffer->data, retsize);
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}
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return retsize;
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}
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RPMessage::~RPMessage()
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{
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TSK_OBJECT_SAFE_FREE(this->rp_message);
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TSK_OBJECT_SAFE_FREE(this->tmpBuffer);
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}
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SMSData::SMSData(twrap_sms_type_t _type, int _mr, const void* _ascii, tsk_size_t _size): oa(tsk_null), da(tsk_null)
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{
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this->type = _type;
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this->mr = _mr;
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if((this->size = _size)){
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if((this->ascii = tsk_calloc(size+1, 1))){
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memcpy(this->ascii, _ascii, _size);
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}
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}
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else{
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this->ascii = tsk_null;
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}
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}
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SMSData::SMSData(): oa(tsk_null), da(tsk_null)
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{
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this->type = twrap_sms_type_none;
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this->mr = 0;
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this->size = 0;
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this->ascii = tsk_null;
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}
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SMSData::~SMSData()
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{
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TSK_FREE(this->ascii);
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TSK_FREE(this->oa);
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TSK_FREE(this->da);
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}
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twrap_sms_type_t SMSData::getType()
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{
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return this->type;
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}
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int SMSData::getMR()
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{
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return this->mr;
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}
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unsigned SMSData::getPayloadLength()
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{
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return this->size;
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}
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unsigned SMSData::getPayload(void* output, unsigned maxsize)
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{
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unsigned retsize = 0;
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if(output && maxsize && this->ascii){
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retsize = (this->size > maxsize) ? maxsize : this->size;
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memcpy(output, this->ascii, retsize);
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}
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return retsize;
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}
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const char* SMSData::getOA()
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{
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return this->oa;
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}
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const char* SMSData::getDA()
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{
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return this->da;
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}
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void SMSData::setOA(const char* _oa)
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{
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TSK_FREE(this->oa);
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this->oa = tsk_strdup(_oa);
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}
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void SMSData::setDA(const char* _da)
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{
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TSK_FREE(this->da);
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this->da = tsk_strdup(_da);
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}
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// More information about RP-DATA: http://www.doubango.org/API/tinySMS/group__tsms__rpdu__group.html#tsms_rpdu_group_DATA
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RPMessage* SMSEncoder::encodeSubmit(int mr, const char *smsc, const char *destination, const char *ascii)
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{
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int ret;
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tsk_buffer_t* buffer = tsk_null;
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tsms_tpdu_submit_t* sms_submit = tsk_null;
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tsms_rpdu_data_t* rp_data = tsk_null;
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RPMessage* encodedData = tsk_null;
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if(!smsc || ! destination || !ascii){
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TSK_DEBUG_ERROR("Invalid parameter");
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return tsk_null;
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}
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if(mr<0 || mr>0xFF){
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TSK_DEBUG_WARN("Invalid Message Reference");
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mr &= 0xFF;
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}
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// create SMS-SUBMIT message
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if(!(sms_submit = tsms_tpdu_submit_create(mr, (const uint8_t*)smsc, (const uint8_t*)destination))){
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TSK_DEBUG_ERROR("Failed to create the TPDU SMS-SUBMIT message");
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goto bail;
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}
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// Set content for SMS-SUBMIT
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if((buffer = tsms_pack_to_7bit(ascii))){
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ret = tsms_tpdu_submit_set_userdata(sms_submit, buffer, tsms_alpha_7bit);
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TSK_OBJECT_SAFE_FREE(buffer);
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}
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else{
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TSK_DEBUG_ERROR("Failed to encode the TPDU SMS-SUBMIT message");
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goto bail;
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}
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// create RP-DATA(SMS-SUBMIT)
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if((rp_data = tsms_rpdu_data_create_mo(mr, (const uint8_t*)smsc, TSMS_TPDU_MESSAGE(sms_submit)))){
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encodedData = new RPMessage(twrap_rpmessage_type_sms_submit, TSMS_RPDU_MESSAGE(rp_data));
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}
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else{
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TSK_DEBUG_ERROR("Failed to create the RP-DATA(SMS-SUBMIT) message");
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goto bail;
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}
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bail:
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TSK_OBJECT_SAFE_FREE(buffer);
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TSK_OBJECT_SAFE_FREE(sms_submit);
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TSK_OBJECT_SAFE_FREE(rp_data);
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return encodedData;
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}
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// More information about RP-DATA: http://www.doubango.org/API/tinySMS/group__tsms__rpdu__group.html#tsms_rpdu_group_DATA
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RPMessage* SMSEncoder::encodeDeliver(int mr, const char* smsc, const char* originator, const char* ascii)
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{
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int ret;
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tsk_buffer_t* buffer = tsk_null;
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tsms_tpdu_deliver_t* sms_deliver = tsk_null;
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tsms_rpdu_data_t* rp_data = tsk_null;
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RPMessage* encodedData = tsk_null;
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if(!smsc || ! originator || !ascii){
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TSK_DEBUG_ERROR("Invalid parameter");
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return tsk_null;
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}
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if(mr<0 || mr>0xFF){
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TSK_DEBUG_WARN("Invalid Message Reference");
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mr &= 0xFF;
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}
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// create SMS-DELIVER message
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sms_deliver = tsms_tpdu_deliver_create((const uint8_t*)smsc, (const uint8_t*)originator);
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// Set content for SMS-DELIVER
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if((buffer = tsms_pack_to_7bit(ascii))){
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ret = tsms_tpdu_deliver_set_userdata(sms_deliver, buffer, tsms_alpha_7bit);
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TSK_OBJECT_SAFE_FREE(buffer);
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}
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// create RP-DATA message
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if((rp_data = tsms_rpdu_data_create_mt(mr, (const uint8_t*)smsc, TSMS_TPDU_MESSAGE(sms_deliver)))){
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encodedData = new RPMessage(twrap_rpmessage_type_sms_deliver, TSMS_RPDU_MESSAGE(rp_data));
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}
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else{
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TSK_DEBUG_ERROR("Failed to create the RP-DATA(SMS-DELIVER) message");
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goto bail;
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}
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bail:
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TSK_OBJECT_SAFE_FREE(buffer);
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TSK_OBJECT_SAFE_FREE(sms_deliver);
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TSK_OBJECT_SAFE_FREE(rp_data);
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return encodedData;
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}
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RPMessage* SMSEncoder::encodeACK(int mr, const char* smsc, const char* destination, bool forSUBMIT)
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{
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tsms_tpdu_report_t* sms_report = tsk_null;
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tsms_rpdu_ack_t* rp_ack = tsk_null;
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tsk_bool_t isSUBMIT = forSUBMIT ? tsk_true : tsk_false;
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tsk_bool_t isERROR = tsk_false;
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RPMessage* encodedData = tsk_null;
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// create SMS-DELIVER(or SUBMIT)-REPORT message
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sms_report = tsms_tpdu_report_create((const uint8_t*)smsc, isSUBMIT, isERROR);
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// create RP-ACK message (From MS to SC)
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if((rp_ack = tsms_rpdu_ack_create_mo(mr, TSMS_TPDU_MESSAGE(sms_report)))){
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encodedData = new RPMessage(twrap_rpmessage_type_sms_ack, TSMS_RPDU_MESSAGE(rp_ack));
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}
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TSK_OBJECT_SAFE_FREE(sms_report);
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TSK_OBJECT_SAFE_FREE(rp_ack);
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return encodedData;
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}
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RPMessage* SMSEncoder::encodeError(int mr, const char* smsc, const char* destination, bool forSUBMIT)
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{
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tsms_tpdu_report_t* sms_report = tsk_null;
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tsms_rpdu_error_t* rp_error= tsk_null;
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tsk_bool_t isSUBMIT = forSUBMIT ? tsk_true : tsk_false;
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tsk_bool_t isERROR = tsk_true;
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RPMessage* encodedData = tsk_null;
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// create SMS-DELIVER-REPORT message
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sms_report = tsms_tpdu_report_create((const uint8_t*)smsc, isSUBMIT, isERROR);
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// create RP-ERROR message
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if((rp_error = tsms_rpdu_error_create_mo(mr, TSMS_TPDU_MESSAGE(sms_report), 0x0A/*call barred*/))){
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encodedData = new RPMessage(twrap_rpmessage_type_sms_error, TSMS_RPDU_MESSAGE(rp_error));
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}
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TSK_OBJECT_SAFE_FREE(sms_report);
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TSK_OBJECT_SAFE_FREE(rp_error);
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return encodedData;
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}
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SMSData* SMSEncoder::decode(const void* data, unsigned size, bool MobOrig)
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{
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tsms_rpdu_message_t* rp_message = tsk_null;
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tsms_tpdu_message_t* tpdu = tsk_null;
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SMSData* decodedData = tsk_null;
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if(!(rp_message = tsms_rpdu_message_deserialize(data, size))){
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TSK_DEBUG_ERROR("Failed to deserialize the RP-MESSAGE");
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goto bail;
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}
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switch(rp_message->mti){
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case tsms_rpdu_type_data_mo:
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case tsms_rpdu_type_data_mt:
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{
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char* ascii = tsk_null;
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tsms_rpdu_data_t* rp_data = TSMS_RPDU_DATA(rp_message);
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if((tpdu = tsms_tpdu_message_deserialize(rp_data->udata->data, rp_data->udata->size, MobOrig))){
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if(tpdu->mti == tsms_tpdu_mti_deliver_mt || tpdu->mti == tsms_tpdu_mti_submit_mo){ /* SMS-SUBMIT or SMS-DELIVER? */
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ascii = tsms_tpdu_message_get_payload(tpdu);
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decodedData = new SMSData(twrap_sms_type_rpdata, rp_message->mr, ascii, (tsk_size_t)tsk_strlen(ascii));
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if(tpdu->mti == tsms_tpdu_mti_deliver_mt){
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tsms_tpdu_deliver_t* tpdu_deliver = (tsms_tpdu_deliver_t*)tpdu;
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decodedData->setOA(tpdu_deliver->oa ? tpdu_deliver->oa->digits : tsk_null);
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}
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/* IMPORTANT: to not uncomment
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else if(TSK_OBJECT_DEF(tpdu) == tsms_tpdu_submit_def_t){
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tsms_tpdu_submit_t* tpdu_submit = (tsms_tpdu_submit_t*)tpdu;
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decodedData->setDA(tpdu_submit->da ? tpdu_submit->da->digits : tsk_null);
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}*/
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TSK_FREE(ascii);
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}
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}
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break;
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}
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case tsms_rpdu_type_ack_mo:
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case tsms_rpdu_type_ack_mt:
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{
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tsms_rpdu_ack_t* rp_ack = TSMS_RPDU_ACK(rp_message);
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// ...do whatever you want
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if(rp_ack->udata && (tpdu = tsms_tpdu_message_deserialize(rp_ack->udata->data, rp_ack->udata->size, MobOrig))){
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// ...do whatever you want
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}
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decodedData = new SMSData(twrap_sms_type_ack, rp_message->mr, tsk_null, 0);
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break;
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}
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case tsms_rpdu_type_error_mo:
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case tsms_rpdu_type_error_mt:
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{
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tsms_rpdu_error_t* rp_error = TSMS_RPDU_ERROR(rp_message);
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// ...do whatever you want
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if(rp_error->udata && (tpdu = tsms_tpdu_message_deserialize(rp_error->udata->data, rp_error->udata->size, MobOrig))){
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// ...do whatever you want
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}
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decodedData = new SMSData(twrap_sms_type_error, rp_message->mr, tsk_null, 0);
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break;
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}
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case tsms_rpdu_type_smma_mo:
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{
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// tsms_rpdu_smma_t* rp_smma = TSMS_RPDU_SMMA(rp_message);
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// ...do whatever you want
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decodedData = new SMSData(twrap_sms_type_smma, rp_message->mr, tsk_null, 0);
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break;
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}
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default:
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{
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TSK_DEBUG_INFO("Unknown RP-Message type (%u).", rp_message->mti);
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break;
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}
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}
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bail:
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TSK_OBJECT_SAFE_FREE(rp_message);
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TSK_OBJECT_SAFE_FREE(tpdu);
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return decodedData;
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} |