FdCache.C File Reference

#include "Basics.H"
#include "FdCache.H"
#include "ShortIdKey.H"
#include "logging.H"
#include <Thread.H>
#include <fcntl.h>
#include "timing.H"

Go to the source code of this file.

Namespaces
namespace	FdCache
Typedefs
typedef ::Table< ShortIdKey, FdInfo * >::Default	FdTable
typedef ::Table< ShortIdKey, FdInfo * >::Iterator	FdIter
Functions
void	FdCache::PartialCache::fdiDeleteNL (FdCache::FdInfo *fdi, char *where)
void	FdCache::PartialCache::janitor_sweep (time_t now) throw ()
void *	JanitorThread (void *arg)
int	FdCache::PartialCache::lookup (ShortIdKey &key, FdCache::OFlag ofl, FdCache::OFlag &oflout) throw ()
int	FdCache::open (ShortId sid, FdCache::OFlag ofl, FdCache::OFlag *oflout) throw ()
int	FdCache::PartialCache::open (ShortId sid, FdCache::OFlag ofl, FdCache::OFlag *oflout) throw ()
int	FdCache::tryopen (ShortId sid, FdCache::OFlag ofl, FdCache::OFlag *oflout) throw ()
int	FdCache::PartialCache::tryopen (ShortId sid, FdCache::OFlag ofl, FdCache::OFlag *oflout) throw ()
void	FdCache::close (ShortId sid, int fd, FdCache::OFlag ofl) throw ()
void	FdCache::PartialCache::close (ShortId sid, int fd, FdCache::OFlag ofl) throw ()
void	FdCache::flush (ShortId sid, FdCache::OFlag ofl) throw ()
void	FdCache::PartialCache::flush (ShortId sid, FdCache::OFlag ofl) throw ()
void	FdCache::getStats (Basics::uint32 &n_in_cache, Basics::uint64 &hits, Basics::uint64 &open_misses, Basics::uint64 &try_misses, Basics::uint64 &evictions, Basics::uint64 &expirations)
void	FdCache::PartialCache::accumulateStats (Basics::uint32 &n_in_cache, Basics::uint64 &hits, Basics::uint64 &open_misses, Basics::uint64 &try_misses, Basics::uint64 &evictions, Basics::uint64 &expirations)

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Typedef Documentation

typedef ::Table<ShortIdKey, FdInfo*>::Iterator FdCache::FdIter

Definition at line 55 of file FdCache.C.

typedef ::Table<ShortIdKey, FdInfo*>::Default FdCache::FdTable

Definition at line 54 of file FdCache.C.

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Function Documentation

void FdCache::close (  ShortId  sid, int  fd, FdCache::OFlag  ofl )  throw ()

Definition at line 366 of file FdCache.C. References FdCache::PartialCache::close().

void FdCache::flush (  ShortId  sid, FdCache::OFlag  ofl )  throw ()

Definition at line 414 of file FdCache.C. References FdCache::PartialCache::flush().

void FdCache::getStats (  Basics::uint32 &  n_in_cache, Basics::uint64 &  hits, Basics::uint64 &  open_misses, Basics::uint64 &  try_misses, Basics::uint64 &  evictions, Basics::uint64 &  expirations )

Definition at line 461 of file FdCache.C. References FdCache::PartialCache::accumulateStats().

int FdCache::open (  ShortId  sid, FdCache::OFlag  ofl, FdCache::OFlag *  oflout )  throw ()

Definition at line 266 of file FdCache.C. References FdCache::PartialCache::open().

void FdCache::PartialCache::accumulateStats (  Basics::uint32 &  n_in_cache, Basics::uint64 &  hits, Basics::uint64 &  open_misses, Basics::uint64 &  try_misses, Basics::uint64 &  evictions, Basics::uint64 &  expirations )

Definition at line 488 of file FdCache.C. References FdCache::PartialCache::evict_count, FdCache::PartialCache::expire_count, FdCache::PartialCache::hit_count, Basics::mutex::lock(), FdCache::PartialCache::mu, FdCache::PartialCache::nCached, FdCache::PartialCache::open_miss_count, FdCache::PartialCache::try_miss_count, and Basics::mutex::unlock().

void FdCache::PartialCache::close (  ShortId  sid, int  fd, FdCache::OFlag  ofl )  throw ()

Definition at line 375 of file FdCache.C. References FdCache::any, DBG_FDCACHE, Repos::dprintf(), FdCache::PartialCache::evict_count, FdCache::FdInfo::fd, FdCache::PartialCache::fdiDeleteNL(), FdCache::FdInfo::key, FdCache::FdInfo::lastUse, Basics::mutex::lock(), FdCache::PartialCache::lruListHead, FdCache::FdInfo::more, FdCache::FdInfo::moreprev, FdCache::PartialCache::mu, FdCache::PartialCache::nCached, NEW, FdCache::FdInfo::next, FdCache::FdInfo::ofl, FdCache::FdInfo::prev, RECORD_TIME_POINT, FdCache::PartialCache::table, and Basics::mutex::unlock().

void FdCache::PartialCache::fdiDeleteNL (  FdCache::FdInfo *  fdi, char *  where )

Definition at line 116 of file FdCache.C. References FdCache::PartialCache::close(), DBG_FDCACHE, Repos::dprintf(), ok(), and FdCache::PartialCache::table.

void FdCache::PartialCache::flush (  ShortId  sid, FdCache::OFlag  ofl )  throw ()

Definition at line 423 of file FdCache.C. References FdCache::any, FdCache::PartialCache::close(), DBG_FDCACHE, Repos::dprintf(), FdCache::FdInfo::fd, Basics::mutex::lock(), FdCache::FdInfo::more, FdCache::FdInfo::moreprev, FdCache::PartialCache::mu, FdCache::PartialCache::nCached, FdCache::FdInfo::next, FdCache::FdInfo::ofl, FdCache::FdInfo::prev, FdCache::PartialCache::table, and Basics::mutex::unlock().

void FdCache::PartialCache::janitor_sweep (  time_t  now  )  throw ()

Definition at line 138 of file FdCache.C. References FdCache::PartialCache::expire_count, FdCache::PartialCache::fdiDeleteNL(), Basics::mutex::lock(), FdCache::PartialCache::mu, FdCache::PartialCache::nCached, and Basics::mutex::unlock().

int FdCache::PartialCache::lookup (  ShortIdKey &  key, FdCache::OFlag  ofl, FdCache::OFlag &  oflout )  throw ()

Definition at line 223 of file FdCache.C. References FdCache::any, FdCache::FdInfo::fd, FdCache::FdInfo::more, FdCache::FdInfo::moreprev, FdCache::PartialCache::nCached, FdCache::FdInfo::next, FdCache::FdInfo::ofl, FdCache::FdInfo::prev, and FdCache::PartialCache::table.

int FdCache::PartialCache::open (  ShortId  sid, FdCache::OFlag  ofl, FdCache::OFlag *  oflout )  throw ()

! heuristic Definition at line 275 of file FdCache.C. References FdCache::any, DBG_FDCACHE, Repos::dprintf(), SourceOrDerived::fdopen(), FdCache::PartialCache::hit_count, Basics::mutex::lock(), FdCache::PartialCache::lookup(), FdCache::PartialCache::mu, FdCache::PartialCache::open_miss_count, RECORD_TIME_POINT, FdCache::ro, and Basics::mutex::unlock().

int FdCache::PartialCache::tryopen (  ShortId  sid, FdCache::OFlag  ofl, FdCache::OFlag *  oflout )  throw ()

Definition at line 332 of file FdCache.C. References FdCache::any, DBG_FDCACHE, Repos::dprintf(), FdCache::PartialCache::hit_count, Basics::mutex::lock(), FdCache::PartialCache::lookup(), FdCache::PartialCache::mu, RECORD_TIME_POINT, FdCache::PartialCache::try_miss_count, and Basics::mutex::unlock().

int FdCache::tryopen (  ShortId  sid, FdCache::OFlag  ofl, FdCache::OFlag *  oflout )  throw ()

Definition at line 322 of file FdCache.C. References FdCache::PartialCache::tryopen().

void* JanitorThread (  void *  arg  )

Definition at line 151 of file FdCache.C. References FdCache::PartialCache::janitor_sweep().

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