145 lines
4.9 KiB
C++
145 lines
4.9 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2014 Michael Zanetti <michael_zanetti@gmx.net> *
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* Copyright (C) 2015 Simon Stürz <simon.stuerz@guh.io> *
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* *
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* This file is part of nymea. *
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* *
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* nymea is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, version 2 of the License. *
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* *
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* nymea is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with nymea. If not, see <http://www.gnu.org/licenses/>. *
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* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef LOGENGINE_H
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#define LOGENGINE_H
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#include "logentry.h"
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#include "logfilter.h"
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#include "types/event.h"
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#include "types/action.h"
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#include "types/browseritemaction.h"
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#include "types/browseraction.h"
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#include "ruleengine/rule.h"
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#include <QObject>
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#include <QSqlDatabase>
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#include <QSqlQuery>
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#include <QTimer>
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#include <QFutureWatcher>
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namespace nymeaserver {
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class DatabaseJob;
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class LogEngineFetchJob;
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class LogEngine: public QObject
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{
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Q_OBJECT
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public:
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LogEngine(const QString &driver, const QString &dbName, const QString &hostname = QString("127.0.0.1"), const QString &username = QString(), const QString &password = QString(), int maxDBSize = 50000, QObject *parent = nullptr);
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~LogEngine();
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LogEngineFetchJob *logEntries(const LogFilter &filter = LogFilter());
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void setMaxLogEntries(int maxLogEntries, int overflow);
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void clearDatabase();
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void logSystemEvent(const QDateTime &dateTime, bool active, Logging::LoggingLevel level = Logging::LoggingLevelInfo);
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void logEvent(const Event &event);
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void logAction(const Action &action, Logging::LoggingLevel level = Logging::LoggingLevelInfo, int errorCode = 0);
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void logBrowserAction(const BrowserAction &browserAction, Logging::LoggingLevel level = Logging::LoggingLevelInfo, int errorCode = 0);
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void logBrowserItemAction(const BrowserItemAction &browserItemAction, Logging::LoggingLevel level = Logging::LoggingLevelInfo, int errorCode = 0);
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void logRuleTriggered(const Rule &rule);
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void logRuleActiveChanged(const Rule &rule);
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void logRuleEnabledChanged(const Rule &rule, const bool &enabled);
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void logRuleActionsExecuted(const Rule &rule);
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void logRuleExitActionsExecuted(const Rule &rule);
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void removeDeviceLogs(const DeviceId &deviceId);
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void removeRuleLogs(const RuleId &ruleId);
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signals:
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void logEntryAdded(const LogEntry &logEntry);
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void logDatabaseUpdated();
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private:
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bool initDB(const QString &username, const QString &password);
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void appendLogEntry(const LogEntry &entry);
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void rotate(const QString &dbName);
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bool migrateDatabaseVersion2to3();
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private slots:
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void checkDBSize();
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void enqueJob(DatabaseJob *job);
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void processQueue();
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void handleJobFinished();
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private:
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QSqlDatabase m_db;
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QString m_username;
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QString m_password;
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int m_dbMaxSize;
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int m_overflow;
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bool m_trimWarningPrinted = false;
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int m_entryCount = 0;
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bool m_dbMalformed = false;
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QList<DatabaseJob*> m_jobQueue;
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QFutureWatcher<DatabaseJob*> m_jobWatcher;
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};
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class DatabaseJob: public QObject
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{
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Q_OBJECT
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public:
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DatabaseJob(const QString &queryString, const QSqlDatabase &db) {
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m_query = QSqlQuery(db);
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m_query.prepare(queryString);
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}
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// IMPORTANT: Make sure it only prepare()d but not executed
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// QSQlQuery(QString, QSqlDatabase) implicitly executes!
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DatabaseJob(const QSqlQuery &query): m_query(query) {}
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QSqlQuery query() const { return m_query; }
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signals:
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void finished();
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private:
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QSqlQuery m_query;
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};
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class LogEngineFetchJob: public QObject
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{
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Q_OBJECT
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public:
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LogEngineFetchJob(QObject *parent): QObject(parent) {}
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QList<LogEntry> results() { return m_results; }
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signals:
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void finished();
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private:
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void addResult(const LogEntry &entry) { m_results.append(entry); }
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QList<LogEntry> m_results;
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friend class LogEngine;
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};
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}
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#endif
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