qgsserversettings.h

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/***************************************************************************
                    qgsserversettings.h
                    -------------------
  begin                : December 19, 2016
  copyright            : (C) 2016 by Paul Blottiere
  email                : paul dot blottiere at oslandia dot com
 
***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
 
#ifndef QGSSERVERSETTINGS_H
#define QGSSERVERSETTINGS_H
 
#include <QObject>
#include <QMetaEnum>
 
#include "qgsmessagelog.h"
#include "qgis_server.h"
#include "qgis_sip.h"
 
#ifndef SIP_RUN
class SERVER_EXPORT QgsServerSettingsEnv : public QObject
{
    Q_OBJECT
 
  public:
    enum Source
    {
      DEFAULT_VALUE,
      ENVIRONMENT_VARIABLE,
      INI_FILE
    };
    Q_ENUM( Source )
 
    
    enum EnvVar
    {
      QGIS_OPTIONS_PATH,
      QGIS_SERVER_PARALLEL_RENDERING,
      QGIS_SERVER_MAX_THREADS,
      QGIS_SERVER_LOG_LEVEL,
      QGIS_SERVER_LOG_FILE,
      QGIS_SERVER_LOG_STDERR,
      QGIS_PROJECT_FILE,
      MAX_CACHE_LAYERS,
      QGIS_SERVER_IGNORE_BAD_LAYERS, 
      QGIS_SERVER_CACHE_DIRECTORY,
      QGIS_SERVER_CACHE_SIZE,
      QGIS_SERVER_SHOW_GROUP_SEPARATOR,  
      QGIS_SERVER_OVERRIDE_SYSTEM_LOCALE,  
      QGIS_SERVER_WMS_MAX_HEIGHT, 
      QGIS_SERVER_WMS_MAX_WIDTH, 
      QGIS_SERVER_API_RESOURCES_DIRECTORY, 
      QGIS_SERVER_API_WFS3_MAX_LIMIT 
    };
    Q_ENUM( EnvVar )
};
#endif
 
class SERVER_EXPORT QgsServerSettings
{
  public:
    struct Setting SIP_SKIP
    {
      QgsServerSettingsEnv::EnvVar envVar;
      QgsServerSettingsEnv::Source src;
      QString descr;
      QString iniKey;
      QVariant::Type type;
      QVariant defaultVal;
      QVariant val;
    };
 
    QgsServerSettings();
 
    void load();
 
    bool load( const QString &envVarName );
 
    void logSummary() const;
 
    QString iniFile() const;
 
    bool parallelRendering() const;
 
    int maxThreads() const;
 
    int maxCacheLayers() const;
 
    Qgis::MessageLevel logLevel() const;
 
    QString projectFile() const;
 
    QString logFile() const;
 
    bool logStderr() const;
 
    qint64 cacheSize() const;
 
    QString cacheDirectory() const;
 
    QString overrideSystemLocale() const;
 
    bool showGroupSeparator() const;
 
    int wmsMaxHeight() const;
 
    int wmsMaxWidth() const;
 
    QString apiResourcesDirectory() const;
 
    qlonglong apiWfs3MaxLimit() const;
 
    bool ignoreBadLayers() const;
 
  private:
    void initSettings();
    QVariant value( QgsServerSettingsEnv::EnvVar envVar ) const;
    QMap<QgsServerSettingsEnv::EnvVar, QString> getEnv() const;
    void loadQSettings( const QString &envOptPath ) const;
    void prioritize( const QMap<QgsServerSettingsEnv::EnvVar, QString> &env );
 
    QMap< QgsServerSettingsEnv::EnvVar, Setting > mSettings;
};
 
#endif