SysLogEngine.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                       SIMPLY POWERFUL TOOLKIT (SPTK)                         ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
│                                                                              │
│   This library 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 Library   │
│   General Public License for more details.                                   │
│                                                                              │
│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
│                                                                              │
│   Please report all bugs and problems to alexeyp@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#ifndef _WIN32
 
#include <syslog.h>
 
#else
#include <winsock2.h>
 
#include <windows.h>
#endif
 
#include <sptk5/LogEngine.h>
 
namespace sptk {
 
class SP_EXPORT SysLogEngine
    : public LogEngine
{
public:
    void saveMessage(const Logger::UMessage& message) override;
 
    SysLogEngine(const String& programName, uint32_t facilities = LOG_USER);
 
    ~SysLogEngine() override;
 
    void getOptions(uint32_t& options, String& programName, uint32_t& facilities) const;
 
private:
#ifdef _WIN32
    std::atomic<HANDLE> m_logHandle {0}; 
    static bool m_registrySet;           
#endif
 
    static SharedMutex syslogMutex;
    static std::atomic_bool m_logOpened;
 
    uint32_t m_facilities; 
    String m_programName;  
 
    void programName(const String& progName);
 
    void setupEventSource() const;
};
} // namespace sptk