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2 * Copyright (C) 2005-2018 by the Quassel Project *
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8 * (at your option) version 3. *
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * GNU General Public License for more details. *
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19 ***************************************************************************/
32 * The Logger class encapsulates the various configured logging backends.
34 class Logger : public QObject
39 Logger(QObject *parent = nullptr);
57 * Initial setup, to be called ones command line options are available.
59 * Sets up the log file if appropriate. Outputs the log messages already accumulated since
60 * construction. If @c keepMessages is false, deletes the accumulated messages afterwards,
61 * and won't store further ones.
63 * @param keepMessages Whether messages should be kept
64 * @returns true, if initialization was successful
66 bool setup(bool keepMessages);
69 * Accesses the stores log messages, e.g. for consumption by DebugLogWidget.
71 * @returns The accumuates log messages
73 std::vector<Logger::LogEntry> messages() const;
75 #if QT_VERSION < 0x050000
76 static void messageHandler(QtMsgType type, const char *message);
78 static void messageHandler(QtMsgType type, const QMessageLogContext &context, const QString &message);
82 * Takes the given message with the given log level, formats it and emits the @a messageLogged() signal.
84 * @note This method is thread-safe.
86 * @param logLevel The log leve of the message
87 * @param message The message
89 void handleMessage(LogLevel logLevel, const QString &message);
93 * Emitted whenever a message was logged.
95 * @param message The message that was logged
97 void messageLogged(const Logger::LogEntry &message);
100 void onMessageLogged(const Logger::LogEntry &message);
103 void handleMessage(QtMsgType type, const QString &message);
104 void outputMessage(const LogEntry &message);
107 LogLevel _outputLevel{LogLevel::Info};
109 bool _syslogEnabled{false};
111 std::vector<LogEntry> _messages;
112 bool _keepMessages{true};
113 bool _initialized{false};
116 Q_DECLARE_METATYPE(Logger::LogEntry)