parameter/include/ParameterMgrFullConnector.h

/*
 * Copyright (c) 2015, 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 "SelectionCriterionTypeInterface.h"
#include "SelectionCriterionInterface.h"
#include "ParameterHandle.h"
#include "ParameterMgrLoggerForward.h"

#include <string>
#include <list>
#include <memory>
#include <stdint.h>

class CParameterMgr;

class CParameterMgrFullConnector
{
    friend class CParameterMgrLogger<CParameterMgrFullConnector>;

public:
    CParameterMgrFullConnector(const std::string& strConfigurationFilePath);
    ~CParameterMgrFullConnector();

    class ILogger
    {
    public:
        virtual void log(bool bIsWarning, const std::string& strLog) = 0;
    protected:
        virtual ~ILogger() {}
    };
    // Logging
    /** Should be called before start */
    void setLogger(ILogger* pLogger);


    bool start(std::string& strError);

    // Dynamic parameter handling
    CParameterHandle* createParameterHandle(const std::string& strPath, std::string& strError);

    ISelectionCriterionTypeInterface* createSelectionCriterionType(bool bIsInclusive);
    ISelectionCriterionInterface* createSelectionCriterion(const std::string& strName,
            const ISelectionCriterionTypeInterface* pSelectionCriterionType);
    ISelectionCriterionInterface* getSelectionCriterion(const std::string& strName);

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

    /**
     * Forcefully disable the remote interface or cancel this policy.
     *
     * Has no effect if called after calling start().
     *
     * @param[in] bForceNoRemoteInterface disable the remote interface if true.
     */
    void setForceNoRemoteInterface(bool bForceNoRemoteInterface);

    void applyConfigurations();

    /** 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();

    /** Get the path to the directory containing the XML Schemas
     *
     * @returns the directory containing the XML Schemas
     */
    const std::string& getSchemaFolderLocation() const;

    /** Override the directory containing the XML Schemas
     *
     * @param[in] strSchemaFolderLocation directory containing the XML Schemas
     */
    void setSchemaFolderLocation(const std::string& strSchemaFolderLocation);

    /** 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 /////////////
    // Tuning mode
    bool setTuningMode(bool bOn, std::string& strError);
    bool isTuningModeOn() const;

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

    // Current Output Raw Format for user get value interpretation
    void setOutputRawFormat(bool bIsHex);
    bool isOutputRawFormatHex() const;
    // Automatic hardware synchronization control (during tuning session)
    bool setAutoSync(bool bAutoSyncOn, std::string& strError);
    bool isAutoSyncOn() const;
    bool sync(std::string& strError);

    // User set/get parameters
    bool accessParameterValue(const std::string& strPath, std::string& strValue, bool bSet, std::string& strError);
    bool accessConfigurationValue(const std::string &strDomain, const std::string &strConfiguration, 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;
    ////////// Configuration/Domains handling //////////////
    // Creation/Deletion
    bool createDomain(const std::string& strName, std::string& strError);
    bool deleteDomain(const std::string& strName, std::string& strError);
    bool renameDomain(const std::string& strName, const std::string& strNewName, 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);

    // Save/Restore
    bool restoreConfiguration(const std::string& strDomain, const std::string& strConfiguration, std::list<std::string>& strError);
    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 setApplicationRule(const std::string& strDomain, const std::string& strConfiguration,
                            const std::string& strApplicationRule, std::string& strError);
    bool getApplicationRule(const std::string& strDomain, const std::string& strConfiguration,
                            std::string& strResult);
    bool clearApplicationRule(const std::string& strDomain, const std::string& strConfiguration, std::string& strError);

    /**
      * Method that imports Configurable Domains from an Xml source.
      *
      * @param[in] strXmlSource a string containing an xml description or a path to an xml file
      * @param[in] bWithSettings a boolean that determines if the settings should be used in the
      * xml description
      * @param[in] bFromFile a boolean that determines if the source is an xml description in
      * strXmlSource or contained in a file. In that case strXmlSource is just the file path.
      * @param[out] strError is used as the error output
      *
      * @return false if any error occures
      */
    bool importDomainsXml(const std::string& strXmlSource, bool bWithSettings, bool bFromFile,
                          std::string& strError);
    /**
      * 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
      * strXmlSource or contained in a file. In that case strXmlSource 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 toFile, std::string& errorMsg);
    /**
      * Method that imports a single Configurable Domain from an string
      * describing an Xml source.
      *
      * @deprecated use the other versions of importSingleDomainXml instead
      *
      * @param[in] strXmlSource a string containing an xml description
      * @param[in] bOverwrite when importing an existing domain, allow overwriting or return an
      * error
      * @param[out] strError is used as the error output
      *
      * @return false if any error occurs
      */
    bool importSingleDomainXml(const std::string& strXmlSource, bool bOverwrite,
                               std::string& strError);


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

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

private:
    // disallow copying because this class manages raw pointers' lifecycle
    CParameterMgrFullConnector(const CParameterMgrFullConnector&);
    CParameterMgrFullConnector& operator=(const CParameterMgrFullConnector&);

    void doLog(bool bIsWarning, const std::string& strLog);

    CParameterMgr* _pParameterMgr;

    ILogger* _pLogger;
    // Log wrapper
    CParameterMgrLogger<CParameterMgrFullConnector>* _pParameterMgrLogger;
};