doubango/trunk/tinySMS/src/tsms_common.c

227 lines
7.1 KiB
C

/*
* 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_common.c
* @brief SMS Commons (3GPP TS 23.038 and al.).
*
* @author Mamadou Diop <diopmamadou(at)doubango.org>
*
* @date Created: Sat Nov 8 16:54:58 2009 mdiop
*/
#include "tinySMS/tsms_common.h"
#include "tinySMS/tsms_packing.h"
#include "tsk_object.h"
#include "tsk_string.h"
#include "tsk_debug.h"
#include <string.h> /* strlen() */
extern tsms_tpdu_message_t* _tsms_tpdu_submit_deserialize(const void* data, size_t size);
extern tsms_tpdu_message_t* _tsms_tpdu_deliver_deserialize(const void* data, size_t size);
extern tsms_tpdu_message_t* _tsms_tpdu_command_deserialize(const void* data, size_t size);
extern tsms_tpdu_message_t* _tsms_tpdu_report_deserialize(const void* data, size_t size);
extern tsms_tpdu_message_t* _tsms_tpdu_status_report_deserialize(const void* data, size_t size);
extern int _tsms_tpdu_submit_serialize(const tsms_tpdu_message_t* self, tsk_buffer_t* output);
extern int _tsms_tpdu_deliver_serialize(const tsms_tpdu_message_t* self, tsk_buffer_t* output);
extern int _tsms_tpdu_command_serialize(const tsms_tpdu_message_t* self, tsk_buffer_t* output);
extern int _tsms_tpdu_report_serialize(const tsms_tpdu_message_t* self, tsk_buffer_t* output);
extern int _tsms_tpdu_status_report_serialize(const tsms_tpdu_message_t* self, tsk_buffer_t* output);
int tsms_tpdu_message_init(tsms_tpdu_message_t* self, tsms_tpdu_mti_t mti)
{
if(self){
self->mti = mti;
self->pid = TSMS_TPDU_DEFAULT_PID;
self->dcs = TSMS_TPDU_DEFAULT_DCS;
return 0;
}
return -1;
}
/**
*/
int tsms_tpdu_message_serialize(const tsms_tpdu_message_t* self, tsk_buffer_t* output, tsk_bool_t MobOrig)
{
if(!self){
return -1;
}
/* 3GPP TS 23.040 - 9.2.3.1 TP Message Type Indicator (TP MTI)
bit1 bit0 Message type
0 0 SMS-DELIVER (in the direction SC to MS)
0 0 SMS-DELIVER-REPORT (in the direction MS to SC)
1 0 SMS-STATUS-REPORT (in the direction SC to MS)
1 0 SMS-COMMAND (in the direction MS to SC)
0 1 SMS-SUBMIT (in the direction MS to SC)
0 1 SMS-SUBMIT-REPORT (in the direction SC to MS)
1 1 Reserved
*/
if(MobOrig){ /* MO */
switch(self->mti){
case tsms_tpdu_mti_deliver_report_mo: return _tsms_tpdu_report_serialize(self, output); /* SMS-DELIVER-REPORT */
case tsms_tpdu_mti_command_mo: return _tsms_tpdu_command_serialize(self, output); /* SMS-COMMAND */
case tsms_tpdu_mti_submit_mo: return _tsms_tpdu_submit_serialize(self, output); /* SMS-SUBMIT */
default: return -2;
}
}
else{ /* MT */
switch(self->mti){
case tsms_tpdu_mti_deliver_mt: return _tsms_tpdu_deliver_serialize(self, output); /* SMS-DELIVER */
case tsms_tpdu_mti_status_report_mt: return _tsms_tpdu_status_report_serialize(self, output); /* SMS-STATUS-REPORT */
case tsms_tpdu_mti_submit_report_mt: return _tsms_tpdu_report_serialize(self, output); /* SMS-SUBMIT-REPORT */
default: return -2;
}
}
}
tsms_tpdu_message_t* tsms_tpdu_message_deserialize(const void* data, size_t size, tsk_bool_t MobOrig)
{
tsms_tpdu_mti_t mti;
if(!data || size<=1){
TSK_DEBUG_ERROR("Invalid parameter.");
return tsk_null;
}
mti = (*((uint8_t*)data) & 0x03);
/* 3GPP TS 23.040 - 9.2.3.1 TP Message Type Indicator (TP MTI)
bit1 bit0 Message type
0 0 SMS-DELIVER (in the direction SC to MS)
0 0 SMS-DELIVER-REPORT (in the direction MS to SC)
1 0 SMS-STATUS-REPORT (in the direction SC to MS)
1 0 SMS-COMMAND (in the direction MS to SC)
0 1 SMS-SUBMIT (in the direction MS to SC)
0 1 SMS-SUBMIT-REPORT (in the direction SC to MS)
1 1 Reserved
*/
if(MobOrig){ /* MO */
switch(mti){
case tsms_tpdu_mti_deliver_report_mo: return _tsms_tpdu_report_deserialize(data, size); /* SMS-DELIVER-REPORT */
case tsms_tpdu_mti_command_mo: return _tsms_tpdu_command_deserialize(data, size); /* SMS-COMMAND */
case tsms_tpdu_mti_submit_mo: return _tsms_tpdu_submit_deserialize(data, size); /* SMS-SUBMIT */
default: return tsk_null;
}
}
else{ /* MT */
switch(mti){
case tsms_tpdu_mti_deliver_mt: return _tsms_tpdu_deliver_deserialize(data, size); /* SMS-DELIVER */
case tsms_tpdu_mti_status_report_mt: return _tsms_tpdu_status_report_deserialize(data, size); /* SMS-STATUS-REPORT */
case tsms_tpdu_mti_submit_report_mt: return _tsms_tpdu_report_deserialize(data, size); /* SMS-SUBMIT-REPORT */
default: return tsk_null;
}
}
}
char* tsms_tpdu_message_tostring(const tsms_tpdu_message_t* self, tsk_bool_t MobOrig)
{
char* ret = tsk_null;
tsk_buffer_t* output = tsk_null;
if(!self){
goto bail;
}
if((output = TSK_BUFFER_CREATE_NULL())){
if(!tsms_tpdu_message_serialize(self, output, MobOrig)){
ret = tsk_strndup(output->data, output->size);
}
TSK_OBJECT_SAFE_FREE(output);
}
bail:
return ret;
}
char* tsms_tpdu_message_tohexastring(const tsms_tpdu_message_t* self, tsk_bool_t MobOrig)
{
char* ret = tsk_null;
tsk_buffer_t* output = tsk_null;
if(!self){
goto bail;
}
if((output = TSK_BUFFER_CREATE_NULL())){
if(!tsms_tpdu_message_serialize(self, output, MobOrig)){
size_t i;
for(i=0;i<output->size;i++){
tsk_strcat_2(&ret, "%.2X", *(TSK_BUFFER_TO_U8(output)+i));
}
}
TSK_OBJECT_SAFE_FREE(output);
}
bail:
return ret;
}
int tsms_tpdu_message_set_userdata(tsms_tpdu_message_t* self, const tsk_buffer_t* udata, tsms_alphabet_t alpha)
{
if(!self || !udata){
return -1;
}
/* SMS alphabet values as per 3GPP TS 23.038 v911 section 4.
* Part of TP-DCS (SMS Data Coding Scheme).
*/
self->dcs = ((self->dcs & 0xF3) | (alpha << 2)); /* Bit3 and Bit2 */
TSK_OBJECT_SAFE_FREE(self->ud);
/* 3GPP TS 23.040 ==> 9.2.3.16 TP-User-Data-Length (TP-UDL)
* (alpha = SMS_ALPHA_7bit) ==> number of septets.
* ((alpha == SMS_ALPHA_8bit) || (alpha == SMS_ALPHA_UCS2)) ==> number of octes.
*/
/* 3GPP TS 23.040 ==> 9.2.3.24 TP-User Data (TP-UD) */
switch(alpha){
case tsms_alpha_7bit: {
self->udl = (udata->size) + (udata->size/7);
self->ud = TSK_BUFFER_CREATE(udata->data, udata->size);
}
break;
case tsms_alpha_8bit:
case tsms_alpha_ucs2: {
self->udl = udata->size;
self->ud = TSK_BUFFER_CREATE(udata->data, udata->size);
}
break;
default:
{
TSK_DEBUG_ERROR("Invalid Alphabet.");
return -2;
}
}
return 0;
}
int tsms_tpdu_message_deinit(tsms_tpdu_message_t* self)
{
if(self){
TSK_OBJECT_SAFE_FREE(self->ud);
return 0;
}
return -1;
}