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96 lines
2.3 KiB
C++
96 lines
2.3 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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#ifndef IOMANAGER_H
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#define IOMANAGER_H
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// $Id: iomanager.h 655 2008-07-08 16:42:54Z jrodriguez $
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//
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// C++ Interface: iomanager
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//
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// Description:
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//
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//
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// Author: Jason Rodriguez <jrodriguez@calpont.com>
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//
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//
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//
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/**
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@author Jason Rodriguez <jrodriguez@calpont.com>
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*/
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#include <pthread.h>
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#include <string>
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#include "writeengine.h"
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#include "configcpp.h"
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#include "brm.h"
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#include "fileblockrequestqueue.h"
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#include "filebuffermgr.h"
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namespace dbbc {
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class ioManager {
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public:
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ioManager(FileBufferMgr& fbm, fileBlockRequestQueue& fbrq, int thrCount,
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int bsPerRead);
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//ioManager(FileBufferMgr& fbm, int thrCount);
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~ioManager();
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int readerCount() const {return fThreadCount;}
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fileRequest* getNextRequest();
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void go(void);
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void stop();
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FileBufferMgr& fileBufferManager() {return fIOMfbMgr;}
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config::Config* configPtr() {return fConfig;}
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BRM::LBID_t lbidLookup(BRM::LBID_t lbid,
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BRM::VER_t verid,
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bool vbFlag,
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BRM::OID_t& oid,
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uint32_t& offset);
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void buildOidFileName(const BRM::OID_t oid, char* file_name);
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uint32_t getExtentSize() { return fdbrm.getExtentSize(); }
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uint32_t blocksPerRead;
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bool IOTrace() const { return fIOTrace;}
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private:
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FileBufferMgr& fIOMfbMgr;
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fileBlockRequestQueue& fIOMRequestQueue;
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int fThreadCount;
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pthread_t fPoppertid;
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pthread_t fThreadArr[256];
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int createReaders();
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config::Config* fConfig;
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BRM::DBRM fdbrm;
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WriteEngine::FileOp fFileOp;
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// do not implement
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ioManager();
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ioManager(const ioManager& iom);
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const ioManager& operator=(const ioManager& iom);
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bool fIOTrace;
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};
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}
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#endif
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// vim:ts=4 sw=4:
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