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79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
//
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// LogHandler.cpp
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// libraries/shared/src
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//
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// Created by Stephen Birarda on 2014-10-28.
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// Migrated from Logging.cpp created on 6/11/13
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// Copyright 2014 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#ifndef hifi_LogHandler_h
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#define hifi_LogHandler_h
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#include <QHash>
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#include <QObject>
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#include <QSet>
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#include <QString>
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#include <QMutex>
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const int VERBOSE_LOG_INTERVAL_SECONDS = 5;
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enum LogMsgType {
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LogInfo = QtInfoMsg,
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LogDebug = QtDebugMsg,
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LogWarning = QtWarningMsg,
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LogCritical = QtCriticalMsg,
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LogFatal = QtFatalMsg,
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LogSuppressed = 100
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};
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/// Handles custom message handling and sending of stats/logs to Logstash instance
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class LogHandler : public QObject {
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Q_OBJECT
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public:
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static LogHandler& getInstance();
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/// sets the target name to output via the verboseMessageHandler, called once before logging begins
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/// \param targetName the desired target name to output in logs
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void setTargetName(const QString& targetName);
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void setShouldOutputProcessID(bool shouldOutputProcessID);
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void setShouldOutputThreadID(bool shouldOutputThreadID);
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void setShouldDisplayMilliseconds(bool shouldDisplayMilliseconds);
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QString printMessage(LogMsgType type, const QMessageLogContext& context, const QString &message);
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/// a qtMessageHandler that can be hooked up to a target that links to Qt
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/// prints various process, message type, and time information
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static void verboseMessageHandler(QtMsgType type, const QMessageLogContext& context, const QString &message);
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const QString& addRepeatedMessageRegex(const QString& regexString);
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const QString& addOnlyOnceMessageRegex(const QString& regexString);
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private slots:
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void setupRepeatedMessageFlusher();
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private:
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LogHandler();
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~LogHandler();
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void flushRepeatedMessages();
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QString _targetName;
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bool _shouldOutputProcessID { false };
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bool _shouldOutputThreadID { false };
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bool _shouldDisplayMilliseconds { false };
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QSet<QString> _repeatedMessageRegexes;
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QHash<QString, int> _repeatMessageCountHash;
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QHash<QString, QString> _lastRepeatedMessage;
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QSet<QString> _onlyOnceMessageRegexes;
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QHash<QString, int> _onlyOnceMessageCountHash;
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static QMutex _mutex;
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};
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#endif // hifi_LogHandler_h
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