xref: /aosp_15_r20/external/parameter-framework/upstream/parameter/ParameterMgr.h (revision c33452fb792a5495ec310a9626f2638b053af5dd)

/*
 * Copyright (c) 2011-2016, Intel Corporation
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation and/or
 * other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#pragma once

#include <mutex>
#include <map>
#include <vector>
#include "RemoteCommandHandlerTemplate.h"
#include "PathNavigator.h"
#include "SelectionCriterionType.h"
#include "SelectionCriterion.h"
#include "Element.h"
#include "XmlDocSink.h"
#include "XmlDocSource.h"
#include "XmlDomainExportContext.h"
#include "Results.h"
#include "ElementHandle.h"
#include <log/LogWrapper.h>
#include <log/Context.h>

#include <istream>
#include <memory>
#include <ostream>
#include <string>

class CElementLibrarySet;
class CSubsystemLibrary;
class CSystemClass;
class CSelectionCriteria;
class CParameterFrameworkConfiguration;
class CParameterBlackboard;
class CConfigurableDomains;
class IRemoteProcessorServerInterface;
class CParameterHandle;
class CSubsystemPlugins;
class CParameterAccessContext;
class CConfigurableElement;

class CParameterMgr : private CElement
{
    enum ChildElement
    {
        EFrameworkConfiguration,
        ESelectionCriteria,
        ESystemClass,
        EConfigurableDomains
    };
    enum ElementLibrary
    {
        EFrameworkConfigurationLibrary,
        EParameterCreationLibrary,
        EParameterConfigurationLibrary
    };

    // Parameter handle friendship
    friend class ElementHandle;

public:
    // Construction
    CParameterMgr(const std::string &strConfigurationFilePath, core::log::ILogger &logger);
    ~CParameterMgr() override;

    /** Load plugins, structures and settings from the config file given.
      *
      * @param[out] strError is a std::string describing the error if an error occurred
      *                      undefined otherwise.
      *
      * @return true if no error occurred, false otherwise.
      */
    bool load(std::string &strError);

    // Remote command parsers
    using CommandHandler = std::unique_ptr<TRemoteCommandHandlerTemplate<CParameterMgr>>;

    /** Create and return a command handler for this ParameterMgr instance
     *
     * @returns a Command Handler
     */
    CommandHandler createCommandHandler();

    // Selection Criteria
    CSelectionCriterionType *createSelectionCriterionType(bool bIsInclusive);
    CSelectionCriterion *createSelectionCriterion(
        const std::string &strName, const CSelectionCriterionType *pSelectionCriterionType);
    // Selection criterion retrieval
    CSelectionCriterion *getSelectionCriterion(const std::string &strName);

    // Configuration application
    void applyConfigurations();

    /** const version of getConfigurableElement */
    const CConfigurableElement *getConfigurableElement(const std::string &strPath,
                                                       std::string &strError) const;

    /** Returns the CConfigurableElement corresponding to the path given in argument.
     *
     * @param[in] strPath A std::string representing a path to an element.
     * @param[out] strError Error message
     *
     * @return A const pointer to the corresponding CConfigurableElement.
     * On error, NULL is returned and the error is explained in strError.
     */
    CConfigurableElement *getConfigurableElement(const std::string &strPath, std::string &strError);
    // Dynamic parameter handling
    CParameterHandle *createParameterHandle(const std::string &strPath, std::string &strError);

    /** Creates a handle to a configurable element.
     *
     * The returned object is owned by the client who is responsible to delete it.
     *
     * @param[in] path A string representing a path to a configurable element.
     * @param[out] error On error: an human readable error message
     *                   On success: undefined
     *
     * @return An element handle on success
     *         nullptr on error
     */
    ElementHandle *createElementHandle(const std::string &path, std::string &error);

    /** Is the remote interface forcefully disabled ?
     */
    bool getForceNoRemoteInterface() const;

    /**
     * Forcefully disable the remote interface or cancel this policy
     *
     * @param[in] bForceNoRemoteInterface disable the remote interface if true.
     */
    void setForceNoRemoteInterface(bool bForceNoRemoteInterface);

    /** Should start fail in case of missing subsystems.
      *
      * @param[in] bFail: If set to true,  parameterMgr start will fail on missing subsystems.
      *                   If set to false, missing subsystems will fallback on virtual subsystem.
      */
    void setFailureOnMissingSubsystem(bool bFail);

    /** Would start fail in case of missing subsystems.
      *
      * @return true if the subsystem will fail on missing subsystem, false otherwise.
      */
    bool getFailureOnMissingSubsystem() const;

    /** Should start fail in failed settings load.
      *
      * @param[in] bFail: If set to true, parameterMgr start will fail on failed settings load.
      *                   If set to false, failed settings load will be ignored.
      */
    void setFailureOnFailedSettingsLoad(bool bFail);
    /** Would start fail in case of failed settings load.
      *
      * @return failure on failed settings load policy state.
      */
    bool getFailureOnFailedSettingsLoad() const;

    /** Get the XML Schemas URI
     *
     * @returns the XML Schemas URI
     */
    const std::string &getSchemaUri() const;

    /** Override the XML Schemas URI
     *
     * @param[in] schemaUri XML Schemas URI
     */
    void setSchemaUri(const std::string &schemaUri);

    /** Should .xml files be validated on start ?
     *
     * @param[in] bValidate:
     *     If set to true, parameterMgr will report an error
     *         when being unable to validate .xml files
     *     If set to false, no .xml/xsd validation will happen
     *     (default behaviour)
     *
     * @return false if unable to set, true otherwise.
     */
    void setValidateSchemasOnStart(bool bValidate);

    /** Would .xml files be validated on start?
     *
     * @return areSchemasValidated
     */
    bool getValidateSchemasOnStart() const;

    //////////// Tuning /////////////
    /**
     * Activate / deactivate the tuning mode.
     *
     * @param[in] bOn true if tuning mode activation is requested, false for desactivation
     * @param[out] strError human readable error
     * @return true if request is successful, false if the Parameter Manager is already in the mode
     *         requested or in case of error.
     *         If false, strError is set with the associated human readable error.
     */
    bool setTuningMode(bool bOn, std::string &strError);
    bool tuningModeOn() const;

    // Current value space for user set/get value interpretation
    void setValueSpace(bool bIsRaw);
    bool valueSpaceIsRaw();

    // Current Output Raw Format for user get value interpretation
    void setOutputRawFormat(bool bIsHex);
    bool outputRawFormatIsHex();

    // Automatic hardware synchronization control (during tuning session)
    bool setAutoSync(bool bAutoSyncOn, std::string &strError);
    bool autoSyncOn() const;
    bool sync(std::string &strError);

    // User set/get parameters
    bool accessParameterValue(const std::string &strPath, std::string &strValue, bool bSet,
                              std::string &strError);
    /**
     * Returns the element mapping corresponding to the path given in parameter.
     *
     * @param[in] strPath Path of an element
     * @param[out] strValue A sting containing the mapping
     *
     * @return true if a mapping was found for this element
     */
    bool getParameterMapping(const std::string &strPath, std::string &strValue) const;
    bool accessConfigurationValue(const std::string &strDomain, const std::string &stConfiguration,
                                  const std::string &strPath, std::string &strValue, bool bSet,
                                  std::string &strError);

    ////////// Configuration/Domains handling //////////////
    // Creation/Deletion
    bool createDomain(const std::string &strName, std::string &strError);
    bool renameDomain(const std::string &strName, const std::string &strNewName,
                      std::string &strError);
    bool deleteDomain(const std::string &strName, std::string &strError);
    bool deleteAllDomains(std::string &strError);
    bool setSequenceAwareness(const std::string &strName, bool bSequenceAware,
                              std::string &strResult);
    bool getSequenceAwareness(const std::string &strName, bool &bSequenceAware,
                              std::string &strResult);
    bool createConfiguration(const std::string &strDomain, const std::string &strConfiguration,
                             std::string &strError);
    bool deleteConfiguration(const std::string &strDomain, const std::string &strConfiguration,
                             std::string &strError);
    bool renameConfiguration(const std::string &strDomain, const std::string &strConfiguration,
                             const std::string &strNewConfiguration, std::string &strError);

    /** Restore a configuration
     *
     * @param[in] strDomain the domain name
     * @param[in] strConfiguration the configuration name
     * @param[out] errors errors encountered during restoration
     * @return true if success false otherwise
     */
    bool restoreConfiguration(const std::string &strDomain, const std::string &strConfiguration,
                              core::Results &errors);

    bool saveConfiguration(const std::string &strDomain, const std::string &strConfiguration,
                           std::string &strError);

    // Configurable element - domain association
    bool addConfigurableElementToDomain(const std::string &strDomain,
                                        const std::string &strConfigurableElementPath,
                                        std::string &strError);
    bool removeConfigurableElementFromDomain(const std::string &strDomain,
                                             const std::string &strConfigurableElementPath,
                                             std::string &strError);
    bool split(const std::string &strDomain, const std::string &strConfigurableElementPath,
               std::string &strError);
    bool setElementSequence(const std::string &strDomain, const std::string &strConfiguration,
                            const std::vector<std::string> &astrNewElementSequence,
                            std::string &strError);

    bool getApplicationRule(const std::string &strDomain, const std::string &strConfiguration,
                            std::string &strResult);
    bool setApplicationRule(const std::string &strDomain, const std::string &strConfiguration,
                            const std::string &strApplicationRule, std::string &strError);
    bool clearApplicationRule(const std::string &strDomain, const std::string &strConfiguration,
                              std::string &strError);

    /**
      * Method that imports Configurable Domains from an Xml source.
      *
      * @param[in] xmlSource a std::string containing an xml description or a path to an xml file
      * @param[in] withSettings a boolean that determines if the settings should be used in the
      * xml description
      * @param[in] fromFile a boolean that determines if the source is an xml description in
      * xmlSource or contained in a file. In that case xmlSource is just the file path.
      * @param[out] errorMsg is used as the error output
      *
      * @return false if any error occures
      */
    bool importDomainsXml(const std::string &xmlSource, bool withSettings, bool fromFile,
                          std::string &errorMsg);

    /**
      * Method that imports a single Configurable Domain from an Xml source.
      *
      * @param[in] xmlSource a string containing an xml description or a path to an xml file
      * @param[in] overwrite when importing an existing domain, allow
      * overwriting or return an error
      * @param[in] withSettings a boolean that determines if the settings should be used in the
      * xml description
      * @param[in] fromFile a boolean that determines if the source is an xml description in
      * xmlSource or contained in a file. In that case xmlSource is just the file path.
      * @param[out] errorMsg is used as the error output
      *
      * @return false if any error occurs
      */
    bool importSingleDomainXml(const std::string &xmlSource, bool overwrite, bool withSettings,
                               bool fromFile, std::string &errorMsg);

    /**
      * Method that exports Configurable Domains to an Xml destination.
      *
      * @param[in,out] xmlDest a string containing an xml description or a path to an xml file
      * @param[in] withSettings a boolean that determines if the settings should be used in the
      * xml description
      * @param[in] toFile a boolean that determines if the destination is an xml description in
      * xmlDest or contained in a file. In that case xmlDest is just the file path.
      * @param[out] errorMsg is used as the error output
      *
      * @return false if any error occurs, true otherwise.
      */
    bool exportDomainsXml(std::string &xmlDest, bool withSettings, bool toFile,
                          std::string &errorMsg) const;

    /**
      * Method that exports a given Configurable Domain to an Xml destination.
      *
      * @param[in,out] xmlDest a string containing an xml description or a path to an xml file
      * @param[in] domainName the name of the domain to be exported
      * @param[in] withSettings a boolean that determines if the settings should be used in the
      * xml description
      * @param[in] toFile a boolean that determines if the destination is an xml description in
      * xmlDest or contained in a file. In that case xmlDest is just the file path.
      * @param[out] errorMsg is used as the error output
      *
      * @return false if any error occurs, true otherwise.
      */
    bool exportSingleDomainXml(std::string &xmlDest, const std::string &domainName,
                               bool withSettings, bool toFile, std::string &errorMsg) const;

    /**
      * Method that exports an Xml description of the passed element into a string
      *
      * @param[in] pXmlSource The source element to export
      * @param[in] strRootElementType The XML root element name of the exported instance document
      * @param[in] xmlSerializingContext the context to use for serialization
      *                                  Is an rvalue as it must be destructed after this function
      *                                  call to set the error.
      *                                  Additionally, using it for an other serialization would
      *                                  override the error.
      * @param[out] strResult contains the xml description or the error description in case false is
     * returned
      *
      * @return true for success, false if any error occurs during the creation of the xml
     * description (validation or encoding)
      */
    bool exportElementToXMLString(const IXmlSource *pXmlSource,
                                  const std::string &strRootElementType,
                                  CXmlSerializingContext &&xmlSerializingContext,
                                  std::string &strResult) const;

    // CElement
    std::string getKind() const override;

private:
    CParameterMgr(const CParameterMgr &);
    CParameterMgr &operator=(const CParameterMgr &);

    // Init
    bool init(std::string &strError) override;

    // Version
    std::string getVersion() const;

    // This using is here for internal reasons: CommandHandler is public and is
    // a unique_ptr but we want the type that's inside. And for legacy reason
    // because that's the original name before a rework; this directive avoids
    // renaming a lot of stuff.
    using CCommandHandler = CommandHandler::element_type;
    using RemoteCommandParser = CCommandHandler::CommandStatus (CParameterMgr::*)(
        const IRemoteCommand &remoteCommand, std::string &strResult);

    // Parser descriptions
    struct SRemoteCommandParserItem
    {
        const char *_pcCommandName;
        CParameterMgr::RemoteCommandParser _pfnParser;
        size_t _minArgumentCount;
        const char *_pcHelp;
        const char *_pcDescription;
    };

    ////////////////:: Remote command parsers
    /// Version
    CCommandHandler::CommandStatus versionCommandProcess(const IRemoteCommand &remoteCommand,
                                                         std::string &strResult);
    /// Status
    CCommandHandler::CommandStatus statusCommandProcess(const IRemoteCommand &remoteCommand,
                                                        std::string &strResult);
    /// Tuning Mode
    CCommandHandler::CommandStatus setTuningModeCommandProcess(const IRemoteCommand &remoteCommand,
                                                               std::string &strResult);
    CCommandHandler::CommandStatus getTuningModeCommandProcess(const IRemoteCommand &remoteCommand,
                                                               std::string &strResult);
    /// Value Space
    CCommandHandler::CommandStatus setValueSpaceCommandProcess(const IRemoteCommand &remoteCommand,
                                                               std::string &strResult);
    CCommandHandler::CommandStatus getValueSpaceCommandProcess(const IRemoteCommand &remoteCommand,
                                                               std::string &strResult);
    /// Output Raw Format
    CCommandHandler::CommandStatus setOutputRawFormatCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus getOutputRawFormatCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    /// Sync
    CCommandHandler::CommandStatus setAutoSyncCommandProcess(const IRemoteCommand &remoteCommand,
                                                             std::string &strResult);
    CCommandHandler::CommandStatus getAutoSyncCommandProcess(const IRemoteCommand &remoteCommand,
                                                             std::string &strResult);
    CCommandHandler::CommandStatus syncCommandProcess(const IRemoteCommand &remoteCommand,
                                                      std::string &strResult);
    /// Criteria
    CCommandHandler::CommandStatus listCriteriaCommandProcess(const IRemoteCommand &remoteCommand,
                                                              std::string &strResult);
    /// Domains
    CCommandHandler::CommandStatus listDomainsCommandProcess(const IRemoteCommand &remoteCommand,
                                                             std::string &strResult);
    CCommandHandler::CommandStatus createDomainCommandProcess(const IRemoteCommand &remoteCommand,
                                                              std::string &strResult);
    CCommandHandler::CommandStatus deleteDomainCommandProcess(const IRemoteCommand &remoteCommand,
                                                              std::string &strResult);
    CCommandHandler::CommandStatus deleteAllDomainsCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus renameDomainCommandProcess(const IRemoteCommand &remoteCommand,
                                                              std::string &strResult);
    CCommandHandler::CommandStatus setSequenceAwarenessCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus getSequenceAwarenessCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus listDomainElementsCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus addElementCommandProcess(const IRemoteCommand &remoteCommand,
                                                            std::string &strResult);
    CCommandHandler::CommandStatus removeElementCommandProcess(const IRemoteCommand &remoteCommand,
                                                               std::string &strResult);
    CCommandHandler::CommandStatus splitDomainCommandProcess(const IRemoteCommand &remoteCommand,
                                                             std::string &strResult);
    /// Configurations
    CCommandHandler::CommandStatus listConfigurationsCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus dumpDomainsCommandProcess(const IRemoteCommand &remoteCommand,
                                                             std::string &strResult);
    CCommandHandler::CommandStatus createConfigurationCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus deleteConfigurationCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus renameConfigurationCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus saveConfigurationCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus restoreConfigurationCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus setElementSequenceCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus getElementSequenceCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus setRuleCommandProcess(const IRemoteCommand &remoteCommand,
                                                         std::string &strResult);
    CCommandHandler::CommandStatus clearRuleCommandProcess(const IRemoteCommand &remoteCommand,
                                                           std::string &strResult);
    CCommandHandler::CommandStatus getRuleCommandProcess(const IRemoteCommand &remoteCommand,
                                                         std::string &strResult);
    /// Elements/Parameters
    CCommandHandler::CommandStatus listElementsCommandProcess(const IRemoteCommand &remoteCommand,
                                                              std::string &strResult);
    CCommandHandler::CommandStatus listParametersCommandProcess(const IRemoteCommand &remoteCommand,
                                                                std::string &strResult);
    CCommandHandler::CommandStatus getElementStructureXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus getElementBytesCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus setElementBytesCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus getElementXMLCommandProcess(const IRemoteCommand &remoteCommand,
                                                               std::string &strResult);
    CCommandHandler::CommandStatus setElementXMLCommandProcess(const IRemoteCommand &remoteCommand,
                                                               std::string &strResult);
    CCommandHandler::CommandStatus dumpElementCommandProcess(const IRemoteCommand &remoteCommand,
                                                             std::string &strResult);
    CCommandHandler::CommandStatus getElementSizeCommandProcess(const IRemoteCommand &remoteCommand,
                                                                std::string &strResult);
    CCommandHandler::CommandStatus showPropertiesCommandProcess(const IRemoteCommand &remoteCommand,
                                                                std::string &strResult);
    CCommandHandler::CommandStatus getParameterCommandProcess(const IRemoteCommand &remoteCommand,
                                                              std::string &strResult);
    CCommandHandler::CommandStatus setParameterCommandProcess(const IRemoteCommand &remoteCommand,
                                                              std::string &strResult);
    CCommandHandler::CommandStatus getConfigurationParameterCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus setConfigurationParameterCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus listBelongingDomainsCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus listAssociatedDomainsCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus showMappingCommandProcess(const IRemoteCommand &remoteCommand,
                                                             std::string &strResult);
    /// Browse
    CCommandHandler::CommandStatus listAssociatedElementsCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus listConflictingElementsCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus listRogueElementsCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    /// Settings Import/Export
    CCommandHandler::CommandStatus exportDomainsXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus importDomainsXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus exportDomainsWithSettingsXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    CCommandHandler::CommandStatus importDomainsWithSettingsXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);
    /**
      * Command handler method for exportDomainWithSettingsXML command.
      *
      * @param[in] remoteCommand contains the arguments of the received command.
      * @param[out] result a std::string containing the result of the command
      *
      * @return CCommandHandler::ESucceeded if command succeeded or CCommandHandler::EFailed
      * in the other case
      */
    CCommandHandler::CommandStatus exportDomainWithSettingsXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &result);
    CCommandHandler::CommandStatus importDomainWithSettingsXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);

    /**
      * Command handler method for getDomainsWithSettings command.
      *
      * @param[in] remoteCommand contains the arguments of the received command.
      * @param[out] strResult a std::string containing the result of the command
      *
      * @return CCommandHandler::ESucceeded if command succeeded or CCommandHandler::EFailed
      * in the other case
      */
    CCommandHandler::CommandStatus getDomainsWithSettingsXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);

    /**
      * Command handler method for getDomainWithSettings command.
      *
      * @param[in] remoteCommand contains the arguments of the received command.
      * @param[out] strResult a string containing the result of the command
      *
      * @return CCommandHandler::ESucceeded if command succeeded or CCommandHandler::EFailed
      * in the other case
      */
    CCommandHandler::CommandStatus getDomainWithSettingsXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);

    /**
      * Command handler method for setDomainsWithSettings command.
      *
      * @param[in] remoteCommand contains the arguments of the received command.
      * @param[out] strResult a std::string containing the result of the command
      *
      * @return CCommandHandler::ESucceeded if command succeeded or CCommandHandler::EFailed
      * in the other case
      */
    CCommandHandler::CommandStatus setDomainsWithSettingsXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);

    /**
      * Command handler method for setDomainWithSettings command.
      *
      * @param[in] remoteCommand contains the arguments of the received command.
      * @param[out] result a std::string containing the result of the command
      *
      * @return CCommandHandler::ESucceeded if command succeeded or CCommandHandler::EFailed
      * in the other case
      */
    CCommandHandler::CommandStatus setDomainWithSettingsXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &result);

    /**
      * Command handler method for getSystemClass command.
      *
      * @param[in] remoteCommand contains the arguments of the received command.
      * @param[out] strResult a std::string containing the result of the command
      *
      * @return CCommandHandler::ESucceeded if command succeeded or CCommandHandler::EFailed
      * in the other case
      */
    CCommandHandler::CommandStatus getSystemClassXMLCommandProcess(
        const IRemoteCommand &remoteCommand, std::string &strResult);

    // Max command usage length, use for formatting
    void setMaxCommandUsageLength();

    // For tuning, check we're in tuning mode
    bool checkTuningModeOn(std::string &strError) const;

    // Blackboard (dynamic parameter handling)
    std::mutex &getBlackboardMutex();

    // Blackboard reference (dynamic parameter handling)
    CParameterBlackboard *getParameterBlackboard();

    // Parameter access
    bool accessValue(CParameterAccessContext &parameterAccessContext, const std::string &strPath,
                     std::string &strValue, bool bSet, std::string &strError);
    bool doSetValue(const std::string &strPath, const std::string &strValue, bool bRawValueSpace,
                    bool bDynamicAccess, std::string &strError) const;
    bool doGetValue(const std::string &strPath, std::string &strValue, bool bRawValueSpace,
                    bool bHexOutputRawFormat, bool bDynamicAccess, std::string &strError) const;

    // Framework global configuration loading
    bool loadFrameworkConfiguration(std::string &strError);

    /** Load required subsystems
     *
     * @param[out] error error description if there is one
     * @return true if succeed false otherwise
     */
    bool loadSubsystems(std::string &error);

    // System class Structure loading
    bool loadStructure(std::string &strError);

    // System class Structure loading
    bool loadSettings(std::string &strError);
    bool loadSettingsFromConfigFile(std::string &strError);

    /** Get settings from a configurable element in binary format.
     *
     * @param[in] element configurable element.
     * @param[out] settings current element settings (in mainblackboard) in binary format
     *
     * @return true on success, false on error
     */
    void getSettingsAsBytes(const CConfigurableElement &element,
                            std::vector<uint8_t> &settings) const;

    /** Assign settings to a configurable element in binary format.
     *
     * @param[in] element configurable element.
     * @param[in] settings the settings as byte array (binary).
     * @param[out] error error message filled in case of error
     *
     * @return true in case of success, false oherwise, in which case error is filled with error
     * message.
     */
    bool setSettingsAsBytes(const CConfigurableElement &element,
                            const std::vector<uint8_t> &settings, std::string &error);

    /** Assign settings to a configurable element in XML format.
     *
     * @param[in] configurableElement The element to set.
     * @param[in] settings The settings to set.
     * @param[out] error human readable error message filled in case of error,
     *                   undefined in case of success.
     * @return true in case of success, false otherwise
     */
    bool setSettingsAsXML(CConfigurableElement *configurableElement, const std::string &settings,
                          std::string &error);

    /** Get settings from a configurable element in XML format.
     *
     * @param[in] configurableElement The element to get settings from.
     * @param[out] result on success: the exported setttings in XML
     *                    on error: human readable error message
     *
     * @return true in case of success, false otherwise.
     */
    bool getSettingsAsXML(const CConfigurableElement *configurableElement,
                          std::string &result) const;

    /** Parse an XML stream into an element
     *
     * @param[in] elementSerializingContext serializing context
     * @param[out] pRootElement the receiving element
     * @param[in] input the input XML stream
     * @param[in] baseUri the XML input file URI or ""
     * @param[in] eElementLibrary which element library to be used
     * @param[in] replace Should the element be overridden or modified in place
     * @param[in] strNameAttributeName the name of the element's XML "name" attribute
     *
     * @returns true if parsing succeeded, false otherwise
     */
    bool xmlParse(CXmlElementSerializingContext &elementSerializingContext, CElement *pRootElement,
                  _xmlDoc *doc, const std::string &baseUri, ElementLibrary eElementLibrary,
                  bool replace = true, const std::string &strNameAttributeName = "Name");

    /** Wrapper for converting public APIs semantics to internal API
     *
     * Public APIs have a string argument that can either contain:
     * - a path to an XML file or;
     * - an actual XML document.
     * They also have a boolean argument specifying which of the two cases it
     * is.
     *
     * Instead, the internal APIs only take an std::istream argument. This
     * method opens the file as a stream if applicable or simply wrap the
     * string in a stream. It then passes the stream to the internal methods.
     *
     * @param[in] xmlSource the XML source (either a path or an actual xml
     * document)
     * @param[in] fromFile specifies whether xmlSource is a path or an
     * actual XML document
     * @param[in] withSettings if false, only import the configurations
     * applicability rules; if true, also import their settings
     * @param[out] element the receiving element
     * @param[in] nameAttributeName the name of the element's XML "name"
     * attribute
     * @param[out] errorMsg string used as output for any error message
     *
     * @returns true if the import succeeded, false otherwise
     */
    bool wrapLegacyXmlImport(const std::string &xmlSource, bool fromFile, bool withSettings,
                             CElement &element, const std::string &nameAttributeName,
                             std::string &errorMsg);

    /**
     * Export an element object to an Xml destination.
     *
     *
     * @param[out] output the stream to output the XML to
     * @param[in] xmlSerializingContext the serializing context
     * @param[in] element object to be serialized.
     *
     * @return false if any error occurs, true otherwise.
     */
    bool serializeElement(std::ostream &output, CXmlSerializingContext &xmlSerializingContext,
                          const CElement &element) const;

    /** Wrapper for converting public APIs semantics to internal API
     *
     * Public APIs have a string argument that can either:
     * - contain a path to an XML file or;
     * - receive an actual XML document.
     * They also have a boolean argument specifying which of the two cases it
     * is.
     *
     * Instead, the internal APIs only take an std::ostream argument. This
     * method opens the file as a stream if applicable or simply wrap the
     * string in a stream. It then passes the stream to the internal methods.
     *
     * @param[in] xmlDest the XML sink (either a path or any string that
     * will be filled)
     * @param[in] toFile specifies whether xmlSource is a path or a
     * string that will receive an actual XML document
     * @param[in] withSettings if false, only export the configurations
     * applicability rules; if true, also export their settings
     * @param[out] element the element to be exported
     * @param[out] errorMsg string used as output for any error message
     *
     * @returns true if the export succeeded, false otherwise
     */
    bool wrapLegacyXmlExport(std::string &xmlDest, bool toFile, bool withSettings,
                             const CElement &element, std::string &errorMsg) const;

    /** Wrapper for converting public APIs semantics to internal API
     *
     * @see wrapLegacyXmlExport
     */
    bool wrapLegacyXmlExportToFile(std::string &xmlDest, const CElement &element,
                                   CXmlDomainExportContext &context) const;

    /** Wrapper for converting public APIs semantics to internal API
     *
     * @see wrapLegacyXmlExport
     */
    bool wrapLegacyXmlExportToString(std::string &xmlDest, const CElement &element,
                                     CXmlDomainExportContext &context) const;

    // Framework Configuration
    CParameterFrameworkConfiguration *getFrameworkConfiguration();
    const CParameterFrameworkConfiguration *getConstFrameworkConfiguration();

    // Selection Criteria
    CSelectionCriteria *getSelectionCriteria();
    const CSelectionCriteria *getConstSelectionCriteria();

    // System Class
    CSystemClass *getSystemClass();
    const CSystemClass *getConstSystemClass() const;

    // Configurable Domains
    CConfigurableDomains *getConfigurableDomains();
    const CConfigurableDomains *getConstConfigurableDomains();
    const CConfigurableDomains *getConstConfigurableDomains() const;

    // Apply configurations
    void doApplyConfigurations(bool bForce);

    // Dynamic object creation libraries feeding
    void feedElementLibraries();

    // Remote Processor Server connection handling
    bool isRemoteInterfaceRequired();
    bool handleRemoteProcessingInterface(std::string &strError);

    /** Log the result of a function
     *
     * @param[in] isSuccess indicates if the previous function has succeed
     * @param[in] result function provided result string
     * @return isSuccess parameter
     */
    bool logResult(bool isSuccess, const std::string &result);

    /** Info logger call helper */
    inline core::log::details::Info info();

    /** Warning logger call helper */
    inline core::log::details::Warning warning();

    // Tuning
    bool _bTuningModeIsOn{false};

    // Value Space
    bool _bValueSpaceIsRaw{false};

    // Output Raw Format
    bool _bOutputRawFormatIsHex{false};

    // Automatic synchronization to HW during Tuning session
    bool _bAutoSyncOn{true};

    // Current Parameter Settings
    CParameterBlackboard *_pMainParameterBlackboard;

    // Dynamic object creation
    CElementLibrarySet *_pElementLibrarySet;

    // XML parsing, object creation handling
    std::string _xmlConfigurationUri;
    std::string _schemaUri; // Place where schemas stand

    // Subsystem plugin location
    const CSubsystemPlugins *_pSubsystemPlugins{nullptr};

    // Remote Processor Server
    IRemoteProcessorServerInterface *_pRemoteProcessorServer{nullptr};

    // Parser description array
    static const SRemoteCommandParserItem gastRemoteCommandParserItems[];

    // Maximum command usage length
    size_t _maxCommandUsageLength{0};

    // Blackboard access mutex
    std::mutex _blackboardMutex;

    /** Application main logger based on the one provided by the client */
    mutable core::log::Logger _logger;

    /** If set to false, the remote interface won't be started no matter what.
     * If set to true - the default - it has no impact on the policy for
     * starting the remote interface.
     */
    bool _bForceNoRemoteInterface{false};

    /** If set to true, missing subsystem will abort parameterMgr start.
      * If set to false, missing subsystem will fallback on virtual subsystem.
      */
    bool _bFailOnMissingSubsystem{true};
    /** If set to true, unparsable or discording domains will abort parameterMgr start.
      * If set to false, unparsable or discording domains
      *                 will continue the parameterMgr start with no domains.
      */
    bool _bFailOnFailedSettingsLoad{true};

    /**
     * If set to true, parameterMgr will report an error
     *     when being unable to validate .xml files
     * If set to false, no .xml/xsd validation will happen (default behaviour)
     */
    bool _bValidateSchemasOnStart{false};
};