LogOutputters.h

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/*
 * Deskflow -- mouse and keyboard sharing utility
 * SPDX-FileCopyrightText: (C) 2025 Deskflow Developers
 * SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
 * SPDX-FileCopyrightText: (C) 2002 Chris Schoeneman
 * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
 */
 
#pragma once
 
#include "base/ILogOutputter.h"
#include "common/Common.h"
#include "mt/Thread.h"


class StopLogOutputter : public ILogOutputter
{
public:
  StopLogOutputter() = default;
  ~StopLogOutputter() override = default;
 
  // ILogOutputter overrides
  void open(const char *title) override;
  void close() override;
  void show(bool showIfEmpty) override;
  bool write(LogLevel level, const char *message) override;
};


class ConsoleLogOutputter : public ILogOutputter
{
public:
  ConsoleLogOutputter() = default;
  ~ConsoleLogOutputter() override = default;
 
  // ILogOutputter overrides
  void open(const char *title) override;
  void close() override;
  void show(bool showIfEmpty) override;
  bool write(LogLevel level, const char *message) override;
  void flush() const;
};


 
class FileLogOutputter : public ILogOutputter
{
public:
  explicit FileLogOutputter(const char *logFile);
  ~FileLogOutputter() override = default;
 
  // ILogOutputter overrides
  void open(const char *title) override;
  void close() override;
  void show(bool showIfEmpty) override;
  bool write(LogLevel level, const char *message) override;
 
  void setLogFilename(const char *title);
 
private:
  std::string m_fileName;
};


class SystemLogOutputter : public ILogOutputter
{
public:
  SystemLogOutputter() = default;
  ~SystemLogOutputter() override = default;
 
  // ILogOutputter overrides
  void open(const char *title) override;
  void close() override;
  void show(bool showIfEmpty) override;
  bool write(LogLevel level, const char *message) override;
};


class SystemLogger
{
public:
  SystemLogger(const char *title, bool blockConsole);
  SystemLogger(SystemLogger const &) = delete;
  SystemLogger(SystemLogger &&) = delete;
  ~SystemLogger();
 
  SystemLogger &operator=(SystemLogger const &) = delete;
  SystemLogger &operator=(SystemLogger &&) = delete;
 
private:
  ILogOutputter *m_syslog = nullptr;
  ILogOutputter *m_stop = nullptr;
};