89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/*
|
|
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The OpenAirInterface Software Alliance licenses this file to You under
|
|
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.openairinterface.org/?page_id=698
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*-------------------------------------------------------------------------------
|
|
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
|
* contact@openairinterface.org
|
|
*/
|
|
|
|
#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]);
|
|
}
|
|
|