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powersync-core/libnymea-core/logging/logengineinfluxdb.h
2025-11-17 16:42:41 +01:00

130 lines
4.0 KiB
C++

// SPDX-License-Identifier: LGPL-3.0-or-later
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea.
*
* nymea is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* nymea 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with nymea. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef LOGENGINEINFLUXDB_H
#define LOGENGINEINFLUXDB_H
#include <QObject>
#include <QTimer>
#include <QQueue>
#include <QHostAddress>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QNetworkAccessManager>
#include "logging/logentry.h"
#include "logging/logengine.h"
class QueryJob: public QObject
{
Q_OBJECT
public:
explicit QueryJob(const QNetworkRequest &request, bool post, bool isInit, QObject *parent = nullptr);
~QueryJob() = default;
signals:
void finished(QNetworkReply::NetworkError status, const QVariantList &response);
private:
friend class LogEngineInfluxDB;
QNetworkRequest m_request;
bool m_post = false;
bool m_isInit = false;
void finish(QNetworkReply::NetworkError status, const QVariantList &results = QVariantList());
};
class LogEngineInfluxDB : public LogEngine
{
Q_OBJECT
public:
enum InitStatus {
InitStatusNone,
InitStatusStarting,
InitStatusOK,
InitStatusFailure,
InitStatusDisabled
};
Q_ENUM(InitStatus)
explicit LogEngineInfluxDB(const QString &host, const QString &dbName, const QString &username = QString(), const QString &password = QString(), QObject *parent = nullptr);
~LogEngineInfluxDB();
Logger *registerLogSource(const QString &name, const QStringList &tagNames, Types::LoggingType loggingType = Types::LoggingTypeDiscrete, const QString &sampleColumn = QString()) override;
void unregisterLogSource(const QString &name) override;
void logEvent(Logger *logger, const QStringList &tags, const QVariantMap &values) override;
LogFetchJob *fetchLogEntries(const QStringList &sources, const QStringList &columns, const QDateTime &startTime = QDateTime(), const QDateTime &endTime = QDateTime(), const QVariantMap &filter = QVariantMap(), Types::SampleRate sampleRate = Types::SampleRateAny, Qt::SortOrder sortOrder = Qt::AscendingOrder, int offset = 0, int limit = 0) override;
bool jobsRunning() const override;
void clear(const QString &source) override;
void enable() override;
void disable() override;
private:
void initDB();
void createRetentionPolicies();
void createDB();
QNetworkRequest createQueryRequest(const QString &quer);
QNetworkRequest createWriteRequest(const QString &retentionPolicy);
QueryJob *query(const QString &query, bool post = false, bool isInit = false);
private slots:
void processQueues();
private:
struct QueueEntry {
QNetworkRequest request;
QByteArray data;
LogEntry entry;
};
InitStatus m_initStatus = InitStatusNone;
QTimer m_reinitTimer;
QNetworkAccessManager *m_nam = nullptr;
QString m_host;
QString m_dbName;
QString m_username;
QString m_password;
QHash<QString, Logger*> m_loggers;
QQueue<QueryJob *> m_initQueryQueue;
QueryJob *m_currentInitQuery = nullptr;
QQueue<QueryJob *> m_queryQueue;
QueryJob *m_currentQuery = nullptr;
QQueue<QueueEntry> m_writeQueue;
QNetworkReply *m_currentWriteReply = nullptr;
};
#endif // LOGENGINEINFLUXDB_H