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Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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482
primitives/blockcache/filerequest.h
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@ -34,7 +34,7 @@
#include "brmtypes.h"
/**
@author Jason Rodriguez <jrodriguez@calpont.com>
@author Jason Rodriguez <jrodriguez@calpont.com>
*/
/**
@ -42,286 +42,282 @@
**/
namespace dbbc
{
class fileRequest
{
public:
/**
* @brief default ctor
**/
fileRequest();
public:
/**
* @brief copy constructor
**/
fileRequest(const fileRequest& blk);
/**
* @brief default ctor
**/
fileRequest();
/**
* @brief request for the disk block lbid@ver
* note, useCache tells IOManager to cache the loaded blocks.
**/
fileRequest(BRM::LBID_t lbid, const BRM::QueryContext& ver, bool flg, BRM::VER_t txn, int compType,
uint8_t* ptr = 0, bool useCache = true);
/**
* @brief copy constructor
**/
fileRequest(const fileRequest& blk);
/**
* @brief request a range of disk blocks
**/
fileRequest(const BRM::InlineLBIDRange& range, const BRM::QueryContext& ver, BRM::VER_t txn, int compType);
/**
* @brief request for the disk block lbid@ver
* note, useCache tells IOManager to cache the loaded blocks.
**/
fileRequest(BRM::LBID_t lbid, const BRM::QueryContext& ver, bool flg, BRM::VER_t txn, int compType,
uint8_t* ptr = 0, bool useCache = true);
/**
* @brief class dtor
**/
virtual ~fileRequest(){};
/**
* @brief request a range of disk blocks
**/
fileRequest(const BRM::InlineLBIDRange& range, const BRM::QueryContext& ver, BRM::VER_t txn, int compType);
/**
* @brief less-than operator
**/
bool operator<(const fileRequest& rhs) const
{
return fLength < rhs.fLength;
}
/**
* @brief class dtor
**/
virtual ~fileRequest() {};
/**
* @brief greater-than operator
**/
bool operator>(const fileRequest& rhs) const
{
return fLength > rhs.fLength;
}
/**
* @brief less-than operator
**/
bool operator< (const fileRequest& rhs) const
{
return fLength < rhs.fLength;
}
/**
* @brief equality operator
**/
bool operator==(const fileRequest& rhs) const
{
return fLength == rhs.fLength;
}
/**
* @brief greater-than operator
**/
bool operator> (const fileRequest& rhs) const
{
return fLength > rhs.fLength;
}
enum request_status_enum
{
SUCCESSFUL,
FAILED,
BRM_LOOKUP_ERROR,
FS_EINVAL,
FS_ENOENT
};
/**
* @brief equality operator
**/
bool operator== (const fileRequest& rhs) const
{
return fLength == rhs.fLength;
}
enum request_type_enum
{
LBIDREQUEST,
RANGEREQUEST
};
enum request_status_enum
{
SUCCESSFUL,
FAILED,
BRM_LOOKUP_ERROR,
FS_EINVAL,
FS_ENOENT
};
/**
* @brief used to manage request processing synchronzation
**/
enum predicate_status_enum
{
INIT,
SENDING,
READING,
COMPLETE,
STOP
};
enum request_type_enum
{
LBIDREQUEST,
RANGEREQUEST
};
/**
* @brief lbid requested
**/
BRM::LBID_t Lbid() const
{
return fLBID;
}
/**
* @brief used to manage request processing synchronzation
**/
enum predicate_status_enum
{
INIT,
SENDING,
READING,
COMPLETE,
STOP
};
/**
* @brief version of the lbid requested
**/
const BRM::QueryContext Ver() const
{
return fVer;
}
/**
* @brief lbid requested
**/
BRM::LBID_t Lbid() const
{
return fLBID;
}
/**
* @brief VBBM flag of the LBID/Ver
**/
bool Flg() const
{
return fFlg;
}
/**
* @brief version of the lbid requested
**/
const BRM::QueryContext Ver() const
{
return fVer;
}
BRM::VER_t Txn() const
{
return fTxn;
}
/**
* @brief VBBM flag of the LBID/Ver
**/
bool Flg() const
{
return fFlg;
}
int CompType() const
{
return fCompType;
}
BRM::VER_t Txn() const
{
return fTxn;
}
/**
* @brief number of blocks requested
**/
uint32_t BlocksRequested() const
{
return fLength;
}
int CompType() const
{
return fCompType;
}
/**
* @brief setter for blocks requested
**/
void BlocksRequested(const int l)
{
fLength = l;
}
/**
* @brief number of blocks requested
**/
uint32_t BlocksRequested() const
{
return fLength;
}
/**
* @brief number of blocks read from disk
**/
uint32_t BlocksRead() const
{
return fblksRead;
}
uint32_t BlocksLoaded() const
{
return fblksLoaded;
}
/**
* @brief setter for blocks requested
**/
void BlocksRequested(const int l)
{
fLength = l;
}
/**
* @brief setter for blocks read from disk
**/
void BlocksRead(const int l)
{
fblksRead = l;
}
void BlocksLoaded(const int l)
{
fblksLoaded = l;
}
/**
* @brief number of blocks read from disk
**/
uint32_t BlocksRead() const
{
return fblksRead;
}
uint32_t BlocksLoaded() const
{
return fblksLoaded;
}
/**
* @brief did the request succeed for fail (0-success; else failure)
**/
int RequestStatus() const
{
return fRqstStatus;
}
/**
* @brief setter for blocks read from disk
**/
void BlocksRead(const int l)
{
fblksRead = l;
}
void BlocksLoaded(const int l)
{
fblksLoaded = l;
}
/**
* @brief setter for the request status
**/
void RequestStatus(int s)
{
fRqstStatus = s;
}
/**
* @brief did the request succeed for fail (0-success; else failure)
**/
int RequestStatus() const
{
return fRqstStatus;
}
void CompType(int compType)
{
fCompType = compType;
}
/**
* @brief setter for the request status
**/
void RequestStatus(int s)
{
fRqstStatus = s;
}
/**
* @brief if request failed, this is the error message string
**/
std::string RequestStatusStr() const
{
return fRqstStatusString;
}
void CompType(int compType)
{
fCompType = compType;
}
/**
* @brief setter for the request status error message string
**/
void RequestStatusStr(const std::string& s)
{
fRqstStatusString = s;
}
/**
* @brief if request failed, this is the error message string
**/
std::string RequestStatusStr() const
{
return fRqstStatusString;
}
/**
* @brief return BLOCK or RANGE requested
**/
int RequestType() const
{
return fRqstType;
}
/**
* @brief setter for the request status error message string
**/
void RequestStatusStr(const std::string& s)
{
fRqstStatusString = s;
}
/**
* @brief mutex to control synchronzation of request processing
**/
boost::mutex& frMutex() const
{
return fFRMutex;
}
/**
* @brief return BLOCK or RANGE requested
**/
int RequestType() const
{
return fRqstType;
}
/**
* @brief condition variable. signal when request is complete
**/
boost::condition& frCond() const
{
return fFRCond;
}
/**
* @brief mutex to control synchronzation of request processing
**/
boost::mutex& frMutex() const
{
return fFRMutex;
}
/**
* @brief
**/
const enum predicate_status_enum& frPredicate() const
{
return fFRPredicate;
}
/**
* @brief condition variable. signal when request is complete
**/
boost::condition& frCond() const
{
return fFRCond;
}
/**
* @brief setter for the predicate
**/
void SetPredicate(const enum predicate_status_enum& p)
{
fFRPredicate = p;
}
/**
* @brief
**/
const enum predicate_status_enum& frPredicate() const
{
return fFRPredicate;
}
uint8_t* data;
/**
* @brief setter for the predicate
**/
void SetPredicate(const enum predicate_status_enum& p)
{
fFRPredicate = p;
}
friend std::ostream& operator<<(std::ostream& os, const fileRequest& rhs);
uint8_t* data;
// tells IOManager to cache the loaded blocks or not
bool useCache()
{
return cache;
}
void useCache(bool c)
{
cache = c;
}
friend std::ostream& operator<<(std::ostream& os, const fileRequest& rhs);
bool versioned()
{
return wasVersioned;
}
void versioned(bool b)
{
wasVersioned = b;
}
// tells IOManager to cache the loaded blocks or not
bool useCache()
{
return cache;
}
void useCache(bool c)
{
cache = c;
}
private:
void init();
bool versioned()
{
return wasVersioned;
}
void versioned(bool b)
{
wasVersioned = b;
}
private:
void init();
BRM::LBID_t fLBID;
BRM::QueryContext fVer;
bool fFlg;
BRM::VER_t fTxn;
mutable boost::mutex fFRMutex;
mutable boost::condition fFRCond;
predicate_status_enum fFRPredicate;
uint32_t fLength; // lbids requested
uint32_t fblksRead; // lbids read
uint32_t fblksLoaded; // lbids loaded into cache
int fRqstStatus;
std::string fRqstStatusString;
enum request_type_enum fRqstType;
int fCompType;
bool cache;
bool wasVersioned;
BRM::LBID_t fLBID;
BRM::QueryContext fVer;
bool fFlg;
BRM::VER_t fTxn;
mutable boost::mutex fFRMutex;
mutable boost::condition fFRCond;
predicate_status_enum fFRPredicate;
uint32_t fLength; // lbids requested
uint32_t fblksRead; // lbids read
uint32_t fblksLoaded; // lbids loaded into cache
int fRqstStatus;
std::string fRqstStatusString;
enum request_type_enum fRqstType;
int fCompType;
bool cache;
bool wasVersioned;
};
}
} // namespace dbbc
// vim:ts=4 sw=4: