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129 lines
5.1 KiB
129 lines
5.1 KiB
/*
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* Copyright (c) 2011-2015, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "ConfigurableElement.h"
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#include "SubsystemPlugins.h"
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#include "Results.h"
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#include <log/Logger.h>
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#include <list>
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#include <string>
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#include <memory>
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class CSubsystemLibrary;
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class DynamicLibrary;
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class CSystemClass final : public CConfigurableElement
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{
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public:
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/**
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* @param[in] logger the logger provided by the client
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* it need to be given to the subsystem library
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*/
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CSystemClass(core::log::Logger &logger);
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~CSystemClass() override;
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/** Load subsystem plugin and fill the corresponding libraries.
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*
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* @param[out] strError is filled with new line separated errors if the function returns false,
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* undefined otherwise.
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* @param[in] pSubsystemPlugins The plugins to load.
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* @param[in] bVirtualSubsystemFallback If a subsystem can not be found, use the virtual one.
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*
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* @return true if the plugins succesfully started or that a fallback is available,
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false otherwise.
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*/
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bool loadSubsystems(std::string &strError, const CSubsystemPlugins *pSubsystemPlugins,
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bool bVirtualSubsystemFallback = false);
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// Subsystem factory
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const CSubsystemLibrary *getSubsystemLibrary() const;
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/**
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* Look for subsystems that need to be resynchronized.
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* Consume the need to be resynchronized
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* and fill a syncer set with all syncers that need to be resynchronized
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*
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* @param[out] syncerSet The syncer set to fill
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* @param[out] infos Relevant informations client may want to log
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*/
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void checkForSubsystemsToResync(CSyncerSet &syncerSet, core::Results &infos);
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/**
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* Reset subsystems need to resync flag.
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*/
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void cleanSubsystemsNeedToResync();
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// base
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std::string getKind() const override;
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bool getMappingData(const std::string &strKey, const std::string *&pStrValue) const override;
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std::string getFormattedMapping() const override;
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private:
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CSystemClass(const CSystemClass &);
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CSystemClass &operator=(const CSystemClass &);
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// base
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bool childrenAreDynamic() const override;
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/** Load shared libraries subsystem plugins.
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*
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* @param[out] errors is the list of error that occured during loadings.
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* @param[in] pSubsystemPlugins The plugins to load.
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*
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* @return true if all plugins have been succesfully loaded, false otherwises.
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*/
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bool loadSubsystemsFromSharedLibraries(core::Results &errors,
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const CSubsystemPlugins *pSubsystemPlugins);
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/** Load subsystem plugin shared libraries.
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*
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* @param[in,out] lstrPluginFiles is the path list of the plugins shared libraries to load.
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* Successfully loaded plugins are removed from the list.
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* @param[out] errors is the list of error that occured during loadings.
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*
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* @return true if at least one plugin has been succesfully loaded, false otherwise.
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* When false is returned, some plugins MIHGT have been loaded
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* but the lstrPluginFiles is accurate.
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*/
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bool loadPlugins(std::list<std::string> &lstrPluginFiles, core::Results &errors);
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// Subsystem factory
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CSubsystemLibrary *_pSubsystemLibrary;
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std::list<std::unique_ptr<DynamicLibrary>>
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_subsystemLibraryHandleList; /**< Contains the list of all open plugin libs. */
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/** Application Logger we need to provide to plugins */
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core::log::Logger &_logger;
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/** The entry point symbol that must be implemented by plugins
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*/
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static const char entryPointSymbol[];
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};
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