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/**
* @file
* @brief Header file for ZeroMQ-based Logger class
* @author Jonathan Thomas <jonathan@openshot.org>
*
* @ref License
*/
/* LICENSE
*
* Copyright (c) 2008-2019 OpenShot Studios, LLC
* <http://www.openshotstudios.com/>. This file is part of
* OpenShot Library (libopenshot), an open-source project dedicated to
* delivering high quality video editing and animation solutions to the
* world. For more information visit <http://www.openshot.org/>.
*
* OpenShot Library (libopenshot) is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* OpenShot Library (libopenshot) 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPENSHOT_LOGGER_H
#define OPENSHOT_LOGGER_H
#include <iostream>
#include <iomanip>
#include <fstream>
#include <stdlib.h>
#include <string>
#include <sstream>
#include <stdio.h>
#include <time.h>
#include <zmq.hpp>
#include <unistd.h>
#include "JuceHeader.h"
namespace openshot {
/**
* @brief This class is used for logging and sending those logs over a ZemoMQ socket to a listener
*
* OpenShot desktop editor listens to this port, to receive libopenshot debug output. It both logs to
* a file and sends the stdout over a socket.
*/
class ZmqLogger {
private:
juce::CriticalSection loggerCriticalSection;
std::string connection;
// Logfile related vars
std::string file_path;
std::ofstream log_file;
bool enabled;
/// ZMQ Context
zmq::context_t *context;
/// ZMQ Socket
zmq::socket_t *publisher;
/// Default constructor
ZmqLogger(){}; // Don't allow user to create an instance of this singleton
#if __GNUC__ >=7
/// Default copy method
ZmqLogger(ZmqLogger const&) = delete; // Don't allow the user to assign this instance
/// Default assignment operator
ZmqLogger & operator=(ZmqLogger const&) = delete; // Don't allow the user to assign this instance
#else
/// Default copy method
ZmqLogger(ZmqLogger const&) {}; // Don't allow the user to assign this instance
/// Default assignment operator
ZmqLogger & operator=(ZmqLogger const&); // Don't allow the user to assign this instance
#endif
/// Private variable to keep track of singleton instance
static ZmqLogger * m_pInstance;
public:
/// Create or get an instance of this logger singleton (invoke the class with this method)
static ZmqLogger * Instance();
/// Append debug information
void AppendDebugMethod(std::string method_name,
std::string arg1_name="", float arg1_value=-1.0,
std::string arg2_name="", float arg2_value=-1.0,
std::string arg3_name="", float arg3_value=-1.0,
std::string arg4_name="", float arg4_value=-1.0,
std::string arg5_name="", float arg5_value=-1.0,
std::string arg6_name="", float arg6_value=-1.0);
/// Close logger (sockets and/or files)
void Close();
/// Set or change connection info for logger (i.e. tcp://*:5556)
void Connection(std::string new_connection);
/// Enable/Disable logging
void Enable(bool is_enabled) { enabled = is_enabled;};
/// Set or change the file path (optional)
void Path(std::string new_path);
/// Log message to all subscribers of this logger (if any)
void Log(std::string message);
/// Log message to a file (if path set)
void LogToFile(std::string message);
};
}
#endif
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