143 lines
3.5 KiB
C++
143 lines
3.5 KiB
C++
/* akvirtualcamera, virtual camera for Mac and Windows.
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* Copyright (C) 2020 Gonzalo Exequiel Pedone
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*
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* akvirtualcamera is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* akvirtualcamera 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with akvirtualcamera. If not, see <http://www.gnu.org/licenses/>.
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*
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* Web-Site: http://webcamoid.github.io/
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*/
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#include <chrono>
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#include <ctime>
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#include <fstream>
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#include <sstream>
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#include <thread>
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#include "logger.h"
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#include "../utils.h"
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#ifdef QT_DEBUG
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namespace AkVCam
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{
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class LoggerPrivate: public std::streambuf
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{
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public:
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std::ostream *outs;
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std::string fileName;
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std::fstream logFile;
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Logger::LogCallback logCallback;
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LoggerPrivate();
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~LoggerPrivate() override;
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protected:
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std::streamsize xsputn(const char *s, std::streamsize n) override;
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};
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inline LoggerPrivate *loggerPrivate()
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{
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static LoggerPrivate logger;
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return &logger;
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}
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}
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void AkVCam::Logger::start(const std::string &fileName,
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const std::string &extension)
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{
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stop();
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loggerPrivate()->fileName =
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fileName + "-" + timeStamp() + "." + extension;
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}
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void AkVCam::Logger::start(LogCallback callback)
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{
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stop();
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loggerPrivate()->logCallback = callback;
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}
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std::string AkVCam::Logger::header()
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{
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auto now = std::chrono::system_clock::now();
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auto nowMSecs = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch());
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char timeStamp[256];
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auto time = std::chrono::system_clock::to_time_t(now);
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strftime(timeStamp, 256, "%Y-%m-%d %H:%M:%S", std::localtime(&time));
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std::stringstream ss;
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ss << "["
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<< timeStamp
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<< "." << nowMSecs.count() % 1000 << ", " << std::this_thread::get_id() << "] ";
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return ss.str();
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}
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std::ostream &AkVCam::Logger::out()
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{
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if (loggerPrivate()->logCallback.second)
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return *loggerPrivate()->outs;
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if (loggerPrivate()->fileName.empty())
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return std::cout;
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if (!loggerPrivate()->logFile.is_open())
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loggerPrivate()->logFile.open(loggerPrivate()->fileName,
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std::ios_base::out
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| std::ios_base::app);
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if (!loggerPrivate()->logFile.is_open())
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return std::cout;
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return loggerPrivate()->logFile;
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}
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void AkVCam::Logger::log()
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{
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tlog(header());
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}
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void AkVCam::Logger::tlog()
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{
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out() << std::endl;
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}
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void AkVCam::Logger::stop()
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{
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loggerPrivate()->fileName = {};
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if (loggerPrivate()->logFile.is_open())
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loggerPrivate()->logFile.close();
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loggerPrivate()->logCallback = {nullptr, nullptr};
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}
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AkVCam::LoggerPrivate::LoggerPrivate():
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outs(new std::ostream(this)),
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logCallback({nullptr, nullptr})
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{
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}
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AkVCam::LoggerPrivate::~LoggerPrivate()
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{
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delete this->outs;
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}
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std::streamsize AkVCam::LoggerPrivate::xsputn(const char *s, std::streamsize n)
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{
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if (this->logCallback.second)
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this->logCallback.second(this->logCallback.first, s, size_t(n));
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return std::streambuf::xsputn(s, n);
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}
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#endif
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