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/*
* 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 1.0 (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
*/
/*! \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, " %03lu |", 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;
}
printf("[PDCP]");
unsigned long octet_index = 0;
for (octet_index = 0; octet_index < size; ++octet_index) {
//LOG_T(component, "%02x.", data[octet_index]);
printf("%02x.", data[octet_index]);
}
//LOG_T(component, " \n");
printf(" \n");
}
/*
* Prints binary representation of given octet prepending
* passed log message
*
* @param Octet as an unsigned character
* @return None
*/
void util_print_binary_representation(unsigned char* message, uint8_t octet)
{
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
*/
boolean_t util_mark_nth_bit_of_octet(uint8_t* octet, uint8_t index)
{
uint8_t mask = 0x80;
assert(octet != NULL);
/*
* Prepare mask
*/
mask >>= index;
/*
* Set relevant bit
*/
*octet |= mask;
return TRUE;
}