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Leonid Fedorov
@ -34,12 +34,11 @@
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#include <stdint.h>
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/**
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@author Jason Rodriguez <jrodriguez@calpont.com>
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@author Jason Rodriguez <jrodriguez@calpont.com>
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*/
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namespace dbbc
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{
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typedef std::list<FileBuffer> FileBufferList_t;
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/**
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@ -48,151 +47,147 @@ typedef std::list<FileBuffer> FileBufferList_t;
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class BlockRequestProcessor
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{
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public:
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/**
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* @brief default ctor
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**/
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BlockRequestProcessor(uint32_t numBlcks, int thrCount, int blocksPerRead, uint32_t deleteBlocks = 0,
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uint32_t blckSz = BLOCK_SIZE);
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public:
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/**
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* @brief default dtor
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**/
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virtual ~BlockRequestProcessor();
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/**
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* @brief default ctor
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**/
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BlockRequestProcessor(uint32_t numBlcks, int thrCount, int blocksPerRead, uint32_t deleteBlocks = 0,
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uint32_t blckSz = BLOCK_SIZE);
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/**
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* @brief send a request for disk blocks to the IO manager
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**/
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int sendRequest(fileRequest& blk)
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{
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return fBRPRequestQueue.push(blk);
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}
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/**
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* @brief default dtor
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**/
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virtual ~BlockRequestProcessor();
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/**
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* @brief verify that the lbid@ver disk block is in the block cache. Send request if it is not
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**/
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int check(BRM::LBID_t lbid, const BRM::QueryContext& ver, BRM::VER_t txn, bool flg, int compType,
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bool& wasBlockInCache);
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/**
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* @brief send a request for disk blocks to the IO manager
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**/
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int sendRequest(fileRequest& blk)
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{
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return fBRPRequestQueue.push(blk);
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}
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/**
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* @brief verify the LBIDRange of disk blocks is in the block cache. Send request if it is not
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**/
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int check(const BRM::InlineLBIDRange& range, const BRM::QueryContext& ver, const BRM::VER_t txn,
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const int compType, uint32_t& lbidCount);
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/**
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* @brief verify that the lbid@ver disk block is in the block cache. Send request if it is not
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**/
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int check(BRM::LBID_t lbid, const BRM::QueryContext& ver, BRM::VER_t txn, bool flg, int compType, bool& wasBlockInCache);
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/**
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* @brief retrieve the lbid@ver disk block from the block cache
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**/
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inline FileBuffer* getBlockPtr(const BRM::LBID_t lbid, const BRM::VER_t ver, bool flg)
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{
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return fbMgr.findPtr(HashObject_t(lbid, ver, flg));
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}
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/**
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* @brief verify the LBIDRange of disk blocks is in the block cache. Send request if it is not
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**/
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int check(const BRM::InlineLBIDRange& range, const BRM::QueryContext& ver, const BRM::VER_t txn, const int compType,
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uint32_t& lbidCount);
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inline int read(const BRM::LBID_t& lbid, const BRM::VER_t& ver, FileBuffer& fb)
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{
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return (fbMgr.find(HashObject_t(lbid, ver, 0), fb) ? 1 : 0);
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}
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/**
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* @brief retrieve the lbid@ver disk block from the block cache
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**/
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inline FileBuffer* getBlockPtr(const BRM::LBID_t lbid, const BRM::VER_t ver, bool flg)
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{
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return fbMgr.findPtr(HashObject_t(lbid, ver, flg));
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}
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/**
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* @brief retrieve the lbid@ver disk block from the block cache
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**/
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inline int read(const BRM::LBID_t& lbid, const BRM::VER_t& ver, void* bufferPtr)
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{
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return (fbMgr.find(HashObject_t(lbid, ver, 0), bufferPtr) ? 1 : 0);
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}
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inline int read(const BRM::LBID_t& lbid, const BRM::VER_t& ver, FileBuffer& fb)
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{
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return (fbMgr.find(HashObject_t(lbid, ver, 0), fb) ? 1 : 0);
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}
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int getBlock(const BRM::LBID_t& lbid, const BRM::QueryContext& ver, BRM::VER_t txn, int compType,
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void* bufferPtr, bool flg, bool& wasCached, bool* wasVersioned, bool insertIntoCache,
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bool readFromCache);
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/**
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* @brief retrieve the lbid@ver disk block from the block cache
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**/
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inline int read(const BRM::LBID_t& lbid, const BRM::VER_t& ver, void* bufferPtr)
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{
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return (fbMgr.find(HashObject_t(lbid, ver, 0), bufferPtr) ? 1 : 0);
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}
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int getCachedBlocks(const BRM::LBID_t* lbids, const BRM::VER_t* vers, uint8_t** ptrs, bool* wasCached,
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uint32_t count);
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int getBlock(const BRM::LBID_t& lbid, const BRM::QueryContext& ver, BRM::VER_t txn, int compType,
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void* bufferPtr, bool flg, bool& wasCached, bool* wasVersioned, bool insertIntoCache,
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bool readFromCache);
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inline bool exists(BRM::LBID_t lbid, BRM::VER_t ver)
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{
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return fbMgr.exists(HashObject_t(lbid, ver, 0));
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}
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int getCachedBlocks(const BRM::LBID_t* lbids, const BRM::VER_t* vers, uint8_t** ptrs,
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bool* wasCached, uint32_t count);
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/**
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* @brief
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**/
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void flushCache()
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{
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fbMgr.flushCache();
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}
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inline bool exists(BRM::LBID_t lbid, BRM::VER_t ver)
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{
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return fbMgr.exists(HashObject_t(lbid, ver, 0));
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}
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/**
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* @brief
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**/
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void flushOne(BRM::LBID_t lbid, BRM::VER_t ver)
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{
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fbMgr.flushOne(lbid, ver);
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}
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/**
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* @brief
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**/
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void flushCache()
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{
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fbMgr.flushCache();
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}
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void flushMany(const LbidAtVer* laVptr, uint32_t cnt)
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{
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fbMgr.flushMany(laVptr, cnt);
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}
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/**
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* @brief
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**/
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void flushOne(BRM::LBID_t lbid, BRM::VER_t ver)
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{
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fbMgr.flushOne(lbid, ver);
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}
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void flushManyAllversion(const BRM::LBID_t* laVptr, uint32_t cnt)
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{
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fbMgr.flushManyAllversion(laVptr, cnt);
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}
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void flushMany(const LbidAtVer* laVptr, uint32_t cnt)
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{
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fbMgr.flushMany(laVptr, cnt);
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}
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void flushOIDs(const uint32_t* oids, uint32_t count)
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{
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fbMgr.flushOIDs(oids, count);
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}
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void flushManyAllversion(const BRM::LBID_t* laVptr, uint32_t cnt)
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{
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fbMgr.flushManyAllversion(laVptr, cnt);
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}
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void flushPartition(const std::vector<BRM::OID_t>& oids, const std::set<BRM::LogicalPartition>& partitions)
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{
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fbMgr.flushPartition(oids, partitions);
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}
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void flushOIDs(const uint32_t* oids, uint32_t count)
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{
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fbMgr.flushOIDs(oids, count);
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}
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void setReportingFrequency(const uint32_t d)
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{
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fbMgr.setReportingFrequency(d);
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}
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void flushPartition(const std::vector<BRM::OID_t>& oids, const std::set<BRM::LogicalPartition>& partitions)
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{
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fbMgr.flushPartition(oids, partitions);
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}
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uint32_t ReportingFrequency() const
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{
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return fbMgr.ReportingFrequency();
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}
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void setReportingFrequency(const uint32_t d)
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{
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fbMgr.setReportingFrequency(d);
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}
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std::ostream& formatLRUList(std::ostream& os) const
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{
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return fbMgr.formatLRUList(os);
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}
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uint32_t ReportingFrequency() const
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{
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return fbMgr.ReportingFrequency();
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}
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private:
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FileBufferMgr fbMgr;
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fileBlockRequestQueue fBRPRequestQueue;
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ioManager fIOMgr;
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boost::mutex check_mutex;
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std::ostream& formatLRUList(std::ostream& os) const
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{
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return fbMgr.formatLRUList(os);
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}
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/**
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* helper function for public check functions
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**/
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int check(fileRequest& rqstBlk);
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private:
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/**
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* send stop requests for IOmanager and request Q
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**/
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void stop();
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FileBufferMgr fbMgr;
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fileBlockRequestQueue fBRPRequestQueue;
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ioManager fIOMgr;
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boost::mutex check_mutex;
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std::ofstream fLogFile;
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bool fTrace;
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/**
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* helper function for public check functions
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**/
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int check(fileRequest& rqstBlk);
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/**
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* send stop requests for IOmanager and request Q
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**/
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void stop();
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std::ofstream fLogFile;
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bool fTrace;
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BRM::DBRM fdbrm;
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// do not implement
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BlockRequestProcessor(const BlockRequestProcessor& brp);
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BlockRequestProcessor& operator=(const BlockRequestProcessor& brp);
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BRM::DBRM fdbrm;
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// do not implement
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BlockRequestProcessor(const BlockRequestProcessor& brp);
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BlockRequestProcessor& operator=(const BlockRequestProcessor& brp);
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};
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}
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} // namespace dbbc
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// vim:ts=4 sw=4:
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