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102 lines
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C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2015 Software Radio Systems Limited
*
* \section LICENSE
*
* This file is part of the srsUE library.
*
* srsUE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsUE 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 Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
/******************************************************************************
* File: trace.h
* Description:
* Reference:
*****************************************************************************/
#ifndef TRACE_H
#define TRACE_H
#include <stdio.h>
#include <string>
#include <vector>
namespace srslte {
template<class elemType>
class trace
{
public:
trace(uint32_t nof_elems_) : tti(nof_elems_), data(nof_elems_) {
rpm=0;
nof_elems=nof_elems_;
wrapped = false;
};
void push_cur_time_us(uint32_t cur_tti) {
struct timeval t;
gettimeofday(&t, NULL);
elemType us = t.tv_sec*1e6+t.tv_usec;
push(cur_tti, us);
}
void push(uint32_t value_tti, elemType value) {
tti[rpm] = value_tti;
data[rpm] = value;
rpm++;
if (rpm >= nof_elems) {
rpm = 0;
wrapped = true;
}
}
bool writeToBinary(std::string filename) {
FILE *f = fopen(filename.c_str(), "w");
if (f != NULL) {
uint32_t st=wrapped?(rpm+1):0;
do {
writeToBinaryValue(f, st++);
if (st >= nof_elems) {
st=0;
}
} while(st!=rpm);
fclose(f);
return true;
} else {
perror("fopen");
return false;
}
}
private:
std::vector<uint32_t> tti;
std::vector<elemType> data;
uint32_t rpm;
uint32_t nof_elems;
bool wrapped;
void writeToBinaryValue(FILE *f, uint32_t idx) {
fwrite(&tti[idx], 1, sizeof(uint32_t), f);
fwrite(&data[idx], 1, sizeof(elemType), f);
}
};
} // namespace srslte
#endif // TRACE_H