96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*******************************************************************************
|
|
OpenAirInterface
|
|
Copyright(c) 1999 - 2014 Eurecom
|
|
|
|
OpenAirInterface 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.
|
|
|
|
|
|
OpenAirInterface 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 OpenAirInterface.The full GNU General Public License is
|
|
included in this distribution in the file called "COPYING". If not,
|
|
see <http://www.gnu.org/licenses/>.
|
|
|
|
Contact Information
|
|
OpenAirInterface Admin: openair_admin@eurecom.fr
|
|
OpenAirInterface Tech : openair_tech@eurecom.fr
|
|
OpenAirInterface Dev : openair4g-devel@eurecom.fr
|
|
|
|
Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
|
|
|
|
*******************************************************************************/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
|
|
|
|
#include "TLVEncoder.h"
|
|
#include "TLVDecoder.h"
|
|
#include "GprsTimer.h"
|
|
|
|
static const long _gprs_timer_unit[] = {2, 60, 360, 60, 60, 60, 60, 0};
|
|
|
|
int decode_gprs_timer(GprsTimer *gprstimer, uint8_t iei, uint8_t *buffer, uint32_t len)
|
|
{
|
|
int decoded = 0;
|
|
|
|
if (iei > 0) {
|
|
CHECK_IEI_DECODER(iei, *buffer);
|
|
decoded++;
|
|
}
|
|
|
|
gprstimer->unit = (*(buffer + decoded) >> 5) & 0x7;
|
|
gprstimer->timervalue = *(buffer + decoded) & 0x1f;
|
|
decoded++;
|
|
#if defined (NAS_DEBUG)
|
|
dump_gprs_timer_xml(gprstimer, iei);
|
|
#endif
|
|
return decoded;
|
|
}
|
|
|
|
int encode_gprs_timer(GprsTimer *gprstimer, uint8_t iei, uint8_t *buffer, uint32_t len)
|
|
{
|
|
uint32_t encoded = 0;
|
|
/* Checking IEI and pointer */
|
|
CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, GPRS_TIMER_MINIMUM_LENGTH, len);
|
|
#if defined (NAS_DEBUG)
|
|
dump_gprs_timer_xml(gprstimer, iei);
|
|
#endif
|
|
|
|
if (iei > 0) {
|
|
*buffer = iei;
|
|
encoded++;
|
|
}
|
|
|
|
*(buffer + encoded) = 0x00 | ((gprstimer->unit & 0x7) << 5) |
|
|
(gprstimer->timervalue & 0x1f);
|
|
encoded++;
|
|
return encoded;
|
|
}
|
|
|
|
void dump_gprs_timer_xml(GprsTimer *gprstimer, uint8_t iei)
|
|
{
|
|
printf("<Gprs Timer>\n");
|
|
|
|
if (iei > 0)
|
|
/* Don't display IEI if = 0 */
|
|
printf(" <IEI>0x%X</IEI>\n", iei);
|
|
|
|
printf(" <Unit>%u</Unit>\n", gprstimer->unit);
|
|
printf(" <Timer value>%u</Timer value>\n", gprstimer->timervalue);
|
|
printf("</Gprs Timer>\n");
|
|
}
|
|
|
|
long gprs_timer_value(GprsTimer *gprstimer)
|
|
{
|
|
return (gprstimer->timervalue * _gprs_timer_unit[gprstimer->unit]);
|
|
}
|
|
|