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/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Josh Blum
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "SoapyHackRF.hpp"
#include <SoapySDR/Logger.hpp>
#include <mutex>
#include <cstddef>
static std::mutex sessionMutex;
static size_t sessionCount = 0;
SoapyHackRFSession::SoapyHackRFSession(void)
{
std::lock_guard<std::mutex> lock(sessionMutex);
if (sessionCount == 0)
{
int ret = hackrf_init();
if (ret != HACKRF_SUCCESS)
{
SoapySDR::logf(SOAPY_SDR_ERROR, "hackrf_init() failed -- %s", hackrf_error_name(hackrf_error(ret)));
}
}
sessionCount++;
}
SoapyHackRFSession::~SoapyHackRFSession(void)
{
std::lock_guard<std::mutex> lock(sessionMutex);
sessionCount--;
if (sessionCount == 0)
{
int ret = hackrf_exit();
if (ret != HACKRF_SUCCESS)
{
SoapySDR::logf(SOAPY_SDR_ERROR, "hackrf_exit() failed -- %s", hackrf_error_name(hackrf_error(ret)));
}
}
}
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