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93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
/*-
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* Copyright (c) 2013 Spectra Logic 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
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*
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* Authors: Justin T. Gibbs (Spectra Logic Corporation)
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*/
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/**
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* \file devdctl_event_factory.h
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*/
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#ifndef _DEVDCTL_EVENT_FACTORY_H_
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#define _DEVDCTL_EVENT_FACTORY_H_
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/*============================ Namespace Control =============================*/
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namespace DevdCtl
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{
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/*============================= Class Definitions ============================*/
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/*------------------------------- EventFactory -------------------------------*/
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/**
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* \brief Container for "event type" => "event object" creation methods.
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*/
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class EventFactory
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{
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public:
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/**
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* Event creation handlers are matched by event type and a
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* string representing the system emitting the event.
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*/
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typedef std::pair<Event::Type, std::string> Key;
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/** Map type for Factory method lookups. */
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typedef std::map<Key, Event::BuildMethod *> Registry;
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/** Table record of factory methods to add to our registry. */
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struct Record
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{
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Event::Type m_type;
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const char *m_subsystem;
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Event::BuildMethod *m_buildMethod;
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};
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const Registry &GetRegistry() const;
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Event *Build(Event::Type type, NVPairMap &nvpairs,
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const std::string eventString) const;
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EventFactory(Event::BuildMethod *defaultBuildMethod = NULL);
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void UpdateRegistry(Record regEntries[], size_t numEntries);
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protected:
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/** Registry of event factory methods providing O(log(n)) lookup. */
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Registry m_registry;
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Event::BuildMethod *m_defaultBuildMethod;
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};
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inline const EventFactory::Registry &
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EventFactory::GetRegistry() const
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{
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return (m_registry);
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}
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} // namespace DevdCtl
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#endif /*_DEVDCTL_EVENT_FACTORY_H_ */
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