| c732d49e |
*
* Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
*
* This file is part of MCOP MCPTT Client
*
* This 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.
*
* This 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 this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "tinymcptt/packet/tmcptt_mcptt_packet.h"
#include "tinymcptt/packet/tmcptt_mcptt_packet_mbms.h"
#include "tinymcptt/packet/tmcptt_mcptt_packet_mbms_map.h"
#include "tinymcptt/packet/tmcptt_mcptt_packet_specific.h"
#include "tnet_endianness.h"
#include "tsk_memory.h"
#include "tsk_debug.h"
static tsk_object_t* tmcptt_mcptt_packet_mbms_map_ctor(tsk_object_t * self, va_list * app)
{
tmcptt_mcptt_packet_mbms_map_t *mbms_map_pkt = (tmcptt_mcptt_packet_mbms_map_t *)self;
if(mbms_map_pkt){
mbms_map_pkt->mcptt_group_identity = tsk_null;
mbms_map_pkt->tmgi = tsk_null;
mbms_map_pkt->mbms_subchannel = tsk_null;
}
return self;
}
static tsk_object_t* tmcptt_mcptt_packet_mbms_map_dtor(tsk_object_t * self)
{
tmcptt_mcptt_packet_mbms_map_t *mbms_map_pkt = (tmcptt_mcptt_packet_mbms_map_t *)self;
if(mbms_map_pkt){
}
return self;
}
static const tsk_object_def_t tmcptt_mcptt_packet_mbms_map_def_s =
{
sizeof(tmcptt_mcptt_packet_mbms_map_t),
tmcptt_mcptt_packet_mbms_map_ctor,
tmcptt_mcptt_packet_mbms_map_dtor,
tsk_null,
};
const tsk_object_def_t *tmcptt_mcptt_packet_mbms_map_def_t = &tmcptt_mcptt_packet_mbms_map_def_s;
tmcptt_mcptt_packet_mbms_map_t* tmcptt_mcptt_packet_mbms_map_create_null()
{
tmcptt_mcptt_packet_mbms_map_t* mbms_map_pkt;
mbms_map_pkt = (tmcptt_mcptt_packet_mbms_map_t*)tsk_object_new(tmcptt_mcptt_packet_mbms_map_def_t);
return mbms_map_pkt;
}
tmcptt_mcptt_packet_mbms_map_t* tmcptt_mcptt_packet_mbms_map_deserialize(const void* data, tsk_size_t _size)
{
tmcptt_mcptt_packet_mbms_map_t* mbms_map_pkt = tsk_null;
const uint8_t* pdata = (const uint8_t*)data;
int32_t size = (int32_t)_size;
tsk_size_t field_size = 0;
uint16_t participants = 0;
int i = 0;
if (pdata == tsk_null) {
TSK_DEBUG_ERROR("Incorrect packet data");
goto bail;
}
if(!(mbms_map_pkt = tmcptt_mcptt_packet_mbms_map_create_null())){
TSK_DEBUG_ERROR("Failed to create object");
goto bail;
}
while (pdata != tsk_null && size > 0) {
switch (pdata[0]) {
case FID_MBMS_MCPTT_GROUP_ID:
case FID_MBMS_MCPTT_GROUP_ID_v13_3:
if (size < TMCPTT_MCPTT_PACKET_SPECIFIC_TXT_MIN_SIZE) {
TSK_DEBUG_ERROR("Incorrect buffer size");
return tsk_null;
}
mbms_map_pkt->mcptt_group_identity = tmcptt_mcptt_packet_specific_txt_deserialize(pdata[0], pdata, size);
if (mbms_map_pkt->mcptt_group_identity == tsk_null) {
TSK_DEBUG_ERROR("Error deserializing field");
return tsk_null;
}
field_size = tmcptt_mcptt_packet_specific_txt_get_size(mbms_map_pkt->mcptt_group_identity);
break;
case FID_MBMS_TMGI:
if (size < TMCPTT_MCPTT_PACKET_SPECIFIC_TXT_MIN_SIZE) {
TSK_DEBUG_ERROR("Incorrect field size");
return tsk_null;
}
mbms_map_pkt->tmgi = tmcptt_mcptt_packet_specific_txt_deserialize(pdata[0], pdata, size);
if (mbms_map_pkt->tmgi == tsk_null) {
TSK_DEBUG_ERROR("Error deserializing field");
return tsk_null;
}
field_size = tmcptt_mcptt_packet_specific_txt_get_size(mbms_map_pkt->tmgi);
break;
case FID_MBMS_SUBCHANNEL:
if (size < TMCPTT_MCPTT_PACKET_MBMS_FIELD_SUBCHANNEL_MIN_SIZE) {
TSK_DEBUG_ERROR("Incorrect field size");
return tsk_null;
}
mbms_map_pkt->mbms_subchannel = tmcptt_mcptt_packet_mbms_field_subchannel_deserialize(pdata[0], pdata, size);
if (mbms_map_pkt->mbms_subchannel == tsk_null) {
TSK_DEBUG_ERROR("Error deserializing field");
return tsk_null;
}
field_size = tmcptt_mcptt_packet_mbms_field_subchannel_get_size(mbms_map_pkt->mbms_subchannel);
break;
default:
TSK_DEBUG_ERROR("Field not supported");
return tsk_null;
}
pdata += field_size;
size -= field_size;
}
bail:
return mbms_map_pkt;
}
int tmcptt_mcptt_packet_mbms_map_serialize_to(const tmcptt_mcptt_packet_mbms_map_t* self, void* data, tsk_size_t size)
{
int ret = 0;
uint8_t* pdata = (uint8_t*)data;
tsk_size_t field_size = 0;
uint32_t net_l_value = 0;
int i = 0;
if (!self || !data || size < tmcptt_mcptt_packet_mbms_map_get_size(self)){
return -1;
}
if (self->mcptt_group_identity) {
tmcptt_mcptt_packet_specific_txt_serialize_to(self->mcptt_group_identity, pdata, size);
field_size = tmcptt_mcptt_packet_specific_txt_get_size(self->mcptt_group_identity);
pdata += field_size;
size -= field_size;
}
if (self->tmgi) {
tmcptt_mcptt_packet_specific_txt_serialize_to(self->tmgi, pdata, size);
field_size = tmcptt_mcptt_packet_specific_txt_get_size(self->tmgi);
pdata += field_size;
size -= field_size;
}
if (self->mbms_subchannel) {
tmcptt_mcptt_packet_mbms_field_subchannel_serialize_to(self->mbms_subchannel, pdata, size);
field_size = tmcptt_mcptt_packet_mbms_field_subchannel_get_size(self->mbms_subchannel);
pdata += field_size;
size -= field_size;
}
return ret;
}
tsk_size_t tmcptt_mcptt_packet_mbms_map_get_size(const tmcptt_mcptt_packet_mbms_map_t* self)
{
tsk_size_t size = 0;
int i = 0;
if(!self){
TSK_DEBUG_ERROR("Invalid parameter");
return 0;
}
if(self->mcptt_group_identity)
size += tmcptt_mcptt_packet_specific_txt_get_size(self->mcptt_group_identity);
if(self->tmgi)
size += tmcptt_mcptt_packet_specific_txt_get_size(self->tmgi);
if (self->mbms_subchannel)
size += tmcptt_mcptt_packet_mbms_field_subchannel_get_size(self->mbms_subchannel);
return size;
} |