SMultiPKFile Class Reference

#include <SMultiPKFile.H>

List of all members.

Public Types
typedef Table< FP::Tag, VPKFile * >::Default	VPKFileMap
typedef Table< FP::Tag, VPKFile * >::Iterator	VPKFileIter
typedef Table< FP::Tag, VPKFileChkPt * >::Default	ChkPtTbl
typedef Table< FP::Tag, VPKFileChkPt * >::Iterator	ChkPtIter
Static Public Member Functions
static void	OpenRead (const PKPrefix::T &pfx, std::ifstream &ifs) throw (SMultiPKFileRep::NotFound, FS::Failure)
static std::streampos	SeekToPKFile (std::ifstream &ifs, const FP::Tag &pk, int &version) throw (SMultiPKFileRep::NotFound, FS::Failure)
static bool	ChkptForRewrite (VPKFileMap &vpkFiles, const BitVector *toDelete, ChkPtTbl &vpkChkptTbl) throw ()
static bool	PrepareForRewrite (const PKPrefix::T &pfx, std::ifstream &ifs, SMultiPKFileRep::Header *&hdr) throw (FS::Failure, FS::EndOfFile)
static void	Rewrite (const PKPrefix::T &pfx, bool mpkFileExists, std::ifstream &ifs, SMultiPKFileRep::Header *hdr, VPKFileMap &vpkFiles, ChkPtTbl &vpkChkptTbl, const BitVector *toDelete, EmptyPKLog *emptyPKLog, EntryState &state) throw (FS::Failure, FS::EndOfFile, VestaLog::Error)
Static Private Member Functions
static std::streampos	SeekInListV1 (std::ifstream &ifs, SMultiPKFileRep::UShort numEntries, const FP::Tag &pk) throw (SMultiPKFileRep::NotFound, FS::EndOfFile, FS::Failure)
static std::streampos	SeekInSortedListV1 (std::ifstream &ifs, SMultiPKFileRep::UShort numEntries, const FP::Tag &pk) throw (SMultiPKFileRep::NotFound, FS::EndOfFile, FS::Failure)
static SMultiPKFileRep::Header *	ReadHeader (const PKPrefix::T &pfx, bool readEntries, std::ifstream &ifs) throw (FS::Failure, FS::EndOfFile)
static Text	Name (const PKPrefix::T &pfx, int granBits) throw ()
static Text	FullName (const PKPrefix::T &pfx) throw ()
static void	OpenAtomicWrite (const PKPrefix::T &pfx, AtomicFile &ofs) throw (FS::Failure)
static void	DeleteFile (const PKPrefix::T &pfx) throw (FS::Failure)
static void	MakeDirs (const Text &name) throw (FS::Failure)
static void	PauseDeletionThread () throw ()

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Member Typedef Documentation

typedef Table<FP::Tag,VPKFileChkPt*>::Iterator SMultiPKFile::ChkPtIter

Definition at line 72 of file SMultiPKFile.H.

typedef Table<FP::Tag,VPKFileChkPt*>::Default SMultiPKFile::ChkPtTbl

Definition at line 71 of file SMultiPKFile.H.

typedef Table<FP::Tag,VPKFile*>::Iterator SMultiPKFile::VPKFileIter

Definition at line 68 of file SMultiPKFile.H.

typedef Table<FP::Tag,VPKFile*>::Default SMultiPKFile::VPKFileMap

Definition at line 67 of file SMultiPKFile.H.

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Member Function Documentation

bool SMultiPKFile::ChkptForRewrite (  VPKFileMap &  vpkFiles, const BitVector *  toDelete, ChkPtTbl &  vpkChkptTbl )  throw () [static]

Definition at line 195 of file SMultiPKFile.C. References VPKFile::CheckPoint(), VPKFile::HasNewEntries(), Basics::mutex::lock(), VPKFile::mu, Table< K, V >::Iterator::Next(), Table< K, V >::Iterator::Reset(), and Basics::mutex::unlock(). Referenced by VMultiPKFile::ChkptForWrite().

void SMultiPKFile::DeleteFile (  const PKPrefix::T &  pfx  )  throw (FS::Failure) [static, private]

Definition at line 758 of file SMultiPKFile.C. References Config_SCachePath, FS::Delete(), FS::DeleteDir(), Text::FindCharR(), Text::Length(), and Text::Sub().

Text SMultiPKFile::FullName (  const PKPrefix::T &  pfx  )  throw () [static, private]

Definition at line 688 of file SMultiPKFile.C. References Config_SCachePath, and PKPrefix::Granularity().

void SMultiPKFile::MakeDirs (  const Text &  name  )  throw (FS::Failure) [static, private]

Definition at line 721 of file SMultiPKFile.C. References Text::cchars(), Text::Length(), and PathnameSep.

Text SMultiPKFile::Name (  const PKPrefix::T &  pfx, int  granBits )  throw () [static, private]

Definition at line 678 of file SMultiPKFile.C.

void SMultiPKFile::OpenAtomicWrite (  const PKPrefix::T &  pfx, AtomicFile &  ofs )  throw (FS::Failure) [static, private]

Definition at line 695 of file SMultiPKFile.C. References Text::chars().

void SMultiPKFile::OpenRead (  const PKPrefix::T &  pfx, std::ifstream &  ifs )  throw (SMultiPKFileRep::NotFound, FS::Failure) [static]

Definition at line 83 of file SMultiPKFile.C. References FS::OpenReadOnly(). Referenced by VPKFile::Lookup(), and VPKFile::ReadPKFHeaderTail().

void SMultiPKFile::PauseDeletionThread (   )  throw () [static, private]

Definition at line 774 of file SMultiPKFile.C. References Config_WeedPauseDur, Debug::Lock(), Basics::thread::pause(), Debug::Timestamp(), and Debug::Unlock().

bool SMultiPKFile::PrepareForRewrite (  const PKPrefix::T &  pfx, std::ifstream &  ifs, SMultiPKFileRep::Header *&  hdr )  throw (FS::Failure, FS::EndOfFile) [static]

Definition at line 247 of file SMultiPKFile.C. References FS::Close(), NEW, and ReadHeader(). Referenced by CacheS::VToSCache().

SMultiPKFileRep::Header * SMultiPKFile::ReadHeader (  const PKPrefix::T &  pfx, bool  readEntries, std::ifstream &  ifs )  throw (FS::Failure, FS::EndOfFile) [static, private]

Definition at line 661 of file SMultiPKFile.C. References NEW_CONSTR, and SMultiPKFileRep::Header::ReadEntries(). Referenced by PrepareForRewrite().

void SMultiPKFile::Rewrite (  const PKPrefix::T &  pfx, bool  mpkFileExists, std::ifstream &  ifs, SMultiPKFileRep::Header *  hdr, VPKFileMap &  vpkFiles, ChkPtTbl &  vpkChkptTbl, const BitVector *  toDelete, EmptyPKLog *  emptyPKLog, EntryState &  state )  throw (FS::Failure, FS::EndOfFile, VestaLog::Error) [static]

Definition at line 293 of file SMultiPKFile.C. References SPKFileRep::Header::BackPatch(), SMultiPKFileRep::HeaderEntry::becameEmpty, FS::Close(), SPKFile::CommonNames(), Config_ReadImmutable, Config_WeedPauseDur, FS::Copy(), VPKFile::DecrPKEpoch(), VPKFile::Evicted(), SMultiPKFileRep::HeaderEntry::exCommonNames, SMultiPKFileRep::HeaderEntry::exUncommonNames, VPKFile::HasNewEntries(), VPKFileChkPt::hasNewEntries, SPKFileRep::LastVersion, Basics::mutex::lock(), Debug::Lock(), MISTRUST_PKLEN, VPKFile::mu, NEW_CONSTR, Table< K, V >::Iterator::Next(), SMultiPKFileRep::HeaderEntry::offset, SMultiPKFileRep::HeaderEntry::packMask, SMultiPKFileRep::HeaderEntry::pk, VPKFileChkPt::pkEpoch, SPKFile::PKEpoch(), SMultiPKFileRep::HeaderEntry::pkfile, SMultiPKFileRep::HeaderEntry::pkfileModified, SMultiPKFileRep::HeaderEntry::pkhdr, SMultiPKFileRep::HeaderEntry::pkLen, FS::Posn(), SMultiPKFileRep::HeaderEntry::reMap, Table< K, V >::Iterator::Reset(), FS::Seek(), SMultiPKFileRep::HeaderEntry::SPKFileExists(), Debug::Timestamp(), Basics::mutex::unlock(), Debug::Unlock(), VPKFile::Update(), SPKFile::Update(), and SPKFile::Write(). Referenced by VMultiPKFile::ToSCache().

streampos SMultiPKFile::SeekInListV1 (  std::ifstream &  ifs, SMultiPKFileRep::UShort  numEntries, const FP::Tag &  pk )  throw (SMultiPKFileRep::NotFound, FS::EndOfFile, FS::Failure) [static, private]

Definition at line 147 of file SMultiPKFile.C. References SMultiPKFileRep::HeaderEntry::offset, and SMultiPKFileRep::HeaderEntry::pk.

streampos SMultiPKFile::SeekInSortedListV1 (  std::ifstream &  ifs, SMultiPKFileRep::UShort  numEntries, const FP::Tag &  pk )  throw (SMultiPKFileRep::NotFound, FS::EndOfFile, FS::Failure) [static, private]

Definition at line 159 of file SMultiPKFile.C. References Compare(), SMultiPKFileRep::HeaderEntry::offset, SMultiPKFileRep::HeaderEntry::pk, FS::Posn(), FS::Seek(), and SMultiPKFileRep::HeaderEntry::Size().

streampos SMultiPKFile::SeekToPKFile (  std::ifstream &  ifs, const FP::Tag &  pk, int &  version )  throw (SMultiPKFileRep::NotFound, FS::Failure) [static]

Definition at line 96 of file SMultiPKFile.C. References SMultiPKFileRep::HT_HashTable, SMultiPKFileRep::HT_List, SMultiPKFileRep::HT_SortedList, SMultiPKFileRep::Header::num, FS::Seek(), SPKFileRep::SourceFuncVersion, SMultiPKFileRep::Header::type, VestaSourceSRPC::version, and SMultiPKFileRep::Header::version. Referenced by VPKFile::Lookup(), and VPKFile::ReadPKFHeaderTail().

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The documentation for this class was generated from the following files:

• /vesta/vestasys.org/vesta/cache/50/src/server/SMultiPKFile.H
• /vesta/vestasys.org/vesta/cache/50/src/server/SMultiPKFile.C

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