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101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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/******************************************************************************
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* File: trace.h
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* Description:
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* Reference:
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*****************************************************************************/
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#ifndef SRSLTE_TRACE_H
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#define SRSLTE_TRACE_H
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#include <stdio.h>
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#include <string>
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#include <sys/time.h>
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#include <vector>
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namespace srslte {
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template <class elemType>
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class trace
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{
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public:
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trace(uint32_t nof_elems_) : tti(nof_elems_), data(nof_elems_)
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{
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rpm = 0;
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nof_elems = nof_elems_;
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wrapped = false;
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};
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void push_cur_time_us(uint32_t cur_tti)
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{
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struct timeval t;
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gettimeofday(&t, NULL);
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elemType us = t.tv_sec * 1e6 + t.tv_usec;
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push(cur_tti, us);
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}
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void push(uint32_t value_tti, elemType value)
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{
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tti[rpm] = value_tti;
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data[rpm] = value;
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rpm++;
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if (rpm >= nof_elems) {
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rpm = 0;
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wrapped = true;
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}
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}
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bool writeToBinary(std::string filename)
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{
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FILE* f = fopen(filename.c_str(), "w");
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if (f != NULL) {
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uint32_t st = wrapped ? (rpm + 1) : 0;
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do {
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writeToBinaryValue(f, st++);
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if (st >= nof_elems) {
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st = 0;
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}
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} while (st != rpm);
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fclose(f);
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return true;
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} else {
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perror("fopen");
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return false;
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}
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}
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private:
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std::vector<uint32_t> tti;
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std::vector<elemType> data;
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uint32_t rpm;
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uint32_t nof_elems;
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bool wrapped;
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void writeToBinaryValue(FILE* f, uint32_t idx)
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{
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fwrite(&tti[idx], 1, sizeof(uint32_t), f);
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fwrite(&data[idx], 1, sizeof(elemType), f);
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}
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};
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} // namespace srslte
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#endif // SRSLTE_TRACE_H
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