mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-18 21:44:02 +03:00
128 lines
2.8 KiB
C++
128 lines
2.8 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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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; version 2 of
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the License.
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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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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
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/*
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* $Id: we_redistributecontrolthread.h 4450 2013-01-21 14:13:24Z rdempsey $
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*/
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#pragma once
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#include <map>
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#include <set>
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#include <vector>
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#include "boost/shared_ptr.hpp"
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#include "boost/thread/mutex.hpp"
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// forward reference
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namespace config
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{
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class Config;
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}
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namespace oam
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{
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class OamCache;
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}
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namespace messageqcpp
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{
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class ByteStream;
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class IOSocket;
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} // namespace messageqcpp
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namespace messagequeue
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{
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class MessageQueueClient;
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}
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namespace redistribute
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{
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class RedistributeControl;
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class RedistributeControlThread
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{
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public:
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RedistributeControlThread(uint32_t act);
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~RedistributeControlThread();
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int handleJobMsg(RedistributeMsgHeader&, messageqcpp::ByteStream&, messageqcpp::IOSocket&);
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void operator()();
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// used by control to change status
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static void setStopAction(bool);
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private:
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// struct for sort partitions
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struct PartitionInfo
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{
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int32_t dbroot;
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int32_t partition;
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PartitionInfo() : dbroot(0), partition(0)
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{
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}
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PartitionInfo(int32_t d, int32_t p) : dbroot(d), partition(p)
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{
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}
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bool operator<(const struct PartitionInfo& rhs) const
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{
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return ((dbroot < rhs.dbroot) || (dbroot == rhs.dbroot && partition < rhs.partition));
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}
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bool operator==(const struct PartitionInfo& rhs) const
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{
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return (dbroot == rhs.dbroot && partition == rhs.partition);
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}
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};
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void doRedistribute();
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void doStopAction();
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int setup();
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int makeRedistributePlan();
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int executeRedistributePlan();
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int connectToWes(int);
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void dumpPlanToFile(uint64_t, std::vector<PartitionInfo>&, int);
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void displayPlan();
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uint32_t fAction;
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oam::OamCache* fOamCache;
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config::Config* fConfig;
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boost::shared_ptr<messageqcpp::MessageQueueClient> fMsgQueueClient;
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std::set<int> fSourceSet;
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std::set<int> fTargetSet;
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std::set<int> fDbrootSet; // Union of fSourceSet and fTargetSet
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int fMaxDbroot;
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uint32_t fEntryCount;
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std::string fErrorMsg;
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int32_t fErrorCode;
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RedistributeControl* fControl;
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static boost::mutex fActionMutex;
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static volatile bool fStopAction;
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static std::string fWesInUse;
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};
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} // namespace redistribute
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