mirror of https://github.com/Icinga/icinga2.git
136 lines
5.1 KiB
C++
136 lines
5.1 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef REDISWRITER_H
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#define REDISWRITER_H
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#include "redis/rediswriter-ti.hpp"
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#include "icinga/customvarobject.hpp"
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#include "remote/messageorigin.hpp"
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#include "base/timer.hpp"
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#include "base/workqueue.hpp"
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#include "redis/redisconnection.hpp"
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#include "icinga/checkable.hpp"
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#include "icinga/downtime.hpp"
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#include <hiredis/hiredis.h>
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namespace icinga
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{
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struct RedisSubscriptionInfo
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{
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std::set<String> EventTypes;
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};
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/**
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* @ingroup redis
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*/
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class RedisWriter : public ObjectImpl<RedisWriter>
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{
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public:
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DECLARE_OBJECT(RedisWriter);
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DECLARE_OBJECTNAME(RedisWriter);
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RedisWriter();
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static void ConfigStaticInitialize();
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virtual void Start(bool runtimeCreated) override;
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virtual void Stop(bool runtimeRemoved) override;
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private:
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void ReconnectTimerHandler();
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void TryToReconnect();
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void HandleEvents();
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void HandleEvent(const Dictionary::Ptr& event);
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void SendEvent(const Dictionary::Ptr& event);
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void UpdateSubscriptionsTimerHandler();
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void UpdateSubscriptions();
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bool GetSubscriptionTypes(String key, RedisSubscriptionInfo& rsi);
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void PublishStatsTimerHandler();
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void PublishStats();
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/* config & status dump */
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void UpdateAllConfigObjects();
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void UpdateState(const Checkable::Ptr& checkable);
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void SendConfigUpdate(const ConfigObject::Ptr& object, bool runtimeUpdate);
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void CreateConfigUpdate(const ConfigObject::Ptr& object, const String type, std::vector<String>& attributes,
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std::vector<String>& customVars, std::vector<String>& checksums, bool runtimeUpdate);
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void SendConfigDelete(const ConfigObject::Ptr& object);
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void SendStatusUpdate(const ConfigObject::Ptr& object);
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std::vector<String> UpdateObjectAttrs(const ConfigObject::Ptr& object, int fieldType, const String& typeNameOverride);
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Dictionary::Ptr SerializeState(const Checkable::Ptr& checkable);
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/* Stats */
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Dictionary::Ptr GetStats();
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/* utilities */
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static String FormatCheckSumBinary(const String& str);
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static String GetObjectIdentifier(const ConfigObject::Ptr& object);
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static String GetEnvironment();
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static String CalculateCheckSumString(const String& str);
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static String CalculateCheckSumArray(const Array::Ptr& arr);
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static String CalculateCheckSumProperties(const ConfigObject::Ptr& object, const std::set<String>& propertiesBlacklist);
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static String CalculateCheckSumMetadata(const ConfigObject::Ptr& object);
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static String CalculateCheckSumVars(const CustomVarObject::Ptr& object);
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static Dictionary::Ptr SerializeVars(const CustomVarObject::Ptr& object);
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static String HashValue(const Value& value);
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static String HashValue(const Value& value, const std::set<String>& propertiesBlacklist, bool propertiesWhitelist = false);
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static String GetLowerCaseTypeNameDB(const ConfigObject::Ptr& obj);
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static void MakeTypeChecksums(const ConfigObject::Ptr& object, std::set<String>& propertiesBlacklist, Dictionary::Ptr& checkSums);
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static void StateChangeHandler(const ConfigObject::Ptr &object);
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static void VersionChangedHandler(const ConfigObject::Ptr& object);
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static void DowntimeChangedHandler(const Downtime::Ptr& downtime);
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void AssertOnWorkQueue();
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void ExceptionHandler(boost::exception_ptr exp);
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//Used to get a reply from the asyncronous connection
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redisReply* RedisGet(const std::vector<String>& query);
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static void RedisQueryCallback(redisAsyncContext *c, void *r, void *p);
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static redisReply* dupReplyObject(redisReply* reply);
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Timer::Ptr m_StatsTimer;
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Timer::Ptr m_ReconnectTimer;
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Timer::Ptr m_SubscriptionTimer;
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WorkQueue m_WorkQueue;
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std::map<String, RedisSubscriptionInfo> m_Subscriptions;
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String m_PrefixConfigObject;
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String m_PrefixConfigCheckSum;
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String m_PrefixConfigCustomVar;
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String m_PrefixStateObject;
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bool m_ConfigDumpInProgress;
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bool m_ConfigDumpDone;
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RedisConnection::Ptr m_Rcon;
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};
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}
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#endif /* REDISWRITER_H */
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