pdcp_util.c 3.99 KB
Newer Older
1
/*******************************************************************************
gauthier's avatar
gauthier committed
2 3
    OpenAirInterface
    Copyright(c) 1999 - 2014 Eurecom
4

gauthier's avatar
gauthier committed
5 6 7 8
    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.
9 10


gauthier's avatar
gauthier committed
11 12 13 14
    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.
15

gauthier's avatar
gauthier committed
16 17 18 19
    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/>.
20 21

  Contact Information
gauthier's avatar
gauthier committed
22 23 24 25
  OpenAirInterface Admin: openair_admin@eurecom.fr
  OpenAirInterface Tech : openair_tech@eurecom.fr
  OpenAirInterface Dev  : openair4g-devel@eurecom.fr

ghaddab's avatar
ghaddab committed
26
  Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
27

gauthier's avatar
gauthier committed
28
 *******************************************************************************/
29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89

/*! \file pdcp_util.c
* \brief PDCP Util Methods
* \author Baris Demiray
* \date 2012
*/

#include <assert.h>

#include "UTIL/LOG/log.h"
#include "pdcp_util.h"

/*
 * Prints incoming byte stream in hexadecimal and readable form
 *
 * @param component Utilised as with macros defined in UTIL/LOG/log.h
 * @param data unsigned char* pointer for data buffer
 * @param size Number of octets in data buffer
 * @return none
 */
void util_print_hex_octets(comp_name_t component, unsigned char* data, unsigned long size)
{
  if (data == NULL) {
    LOG_W(component, "Incoming buffer is NULL! Ignoring...\n");
    return;
  }

  unsigned long octet_index = 0;

  LOG_T(component, "     |  0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f |\n");
  LOG_T(component, "-----+-------------------------------------------------|\n");
  LOG_T(component, " 000 |");
  for (octet_index = 0; octet_index < size; ++octet_index) {
    /*
     * Print every single octet in hexadecimal form
     */
    LOG_T(component, "%02x.", data[octet_index]);
    /*
     * Align newline and pipes according to the octets in groups of 2
     */
    if (octet_index != 0 && (octet_index + 1) % 16 == 0) {
      LOG_T(component, " |\n");
      LOG_T(component, " %03d |", octet_index);
      }
  }

  /*
   * Append enough spaces and put final pipe
   */
  unsigned char index;
  for (index = octet_index; index < 16; ++index)
    LOG_T(component, "   ");
  LOG_T(component, " \n");
}

void util_flush_hex_octets(comp_name_t component, unsigned char* data, unsigned long size)
{
  if (data == NULL) {
    LOG_W(component, "Incoming buffer is NULL! Ignoring...\n");
    return;
  }
90
  printf("[PDCP]");
91 92 93

  unsigned long octet_index = 0;
  for (octet_index = 0; octet_index < size; ++octet_index) {
94 95
      //LOG_T(component, "%02x.", data[octet_index]);
      printf("%02x.", data[octet_index]);
96
  }
97 98
  //LOG_T(component, " \n");
  printf(" \n");
99 100 101 102 103 104 105 106 107
}

/*
 * Prints binary representation of given octet prepending 
 * passed log message
 *
 * @param Octet as an unsigned character
 * @return None
 */
108
void util_print_binary_representation(unsigned char* message, uint8_t octet)
109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
{
  unsigned char index = 0;
  unsigned char mask = 0x80;

  LOG_T(PDCP, "%s", message);

  for (index = 0; index < 8; ++index) {
    if (octet & mask) {
      LOG_T(PDCP, "1");
    } else {
      LOG_T(PDCP, "0");
    }

    mask /= 2;
  }
  LOG_T(PDCP, "\n");
}

/*
 * Sets the bit of given octet at `index'
 *
 * @param octet 8-bit data
 * @param index Index of bit to be set
 * @return TRUE on success, FALSE otherwise
 */
134
boolean_t util_mark_nth_bit_of_octet(uint8_t* octet, uint8_t index)
135
{
136
  uint8_t mask = 0x80;
137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152

  assert(octet != NULL);

  /*
   * Prepare mask
   */
  mask >>= index;

  /*
   * Set relevant bit
   */
  *octet |= mask;

  return TRUE;
}