MemStore.h
virtual bool updateAnchored(StoreEntry &) override
Definition: MemStore.cc:410
Definition: MemStore.h:19
class Ping::pingStats_ stats
virtual void updateHeaders(StoreEntry *e) override
make stored metadata and HTTP headers the same as in the given entry
Definition: MemStore.cc:333
Definition: MemStore.cc:36
bool startCaching(StoreEntry &e)
locks map anchor and preps to store the entry in shared memory
Definition: MemStore.cc:626
static bool Enabled()
whether Squid is correctly configured to use a shared memory cache
Definition: MemStore.h:68
bool keepInLocalMemory(const StoreEntry &e) const
whether e should be kept in local RAM for possible future caching
virtual void maintain() override
perform regular periodic maintenance; TODO: move to UFSSwapDir::Maintain
Definition: MemStore.cc:253
sfileno lastWritingSlice
the last allocate slice for writing a store entry (during copyToShm)
Definition: MemStore.h:106
Definition: StoreMap.h:29
virtual uint64_t minSize() const override
the minimum size the store will shrink to via normal housekeeping
Definition: MemStore.cc:258
virtual void getStats(StoreInfoStats &stats) const override
collect statistics
Definition: MemStore.cc:202
Definition: StoreIOBuffer.h:16
void copyToShmSlice(StoreEntry &e, Ipc::StoreMapAnchor &anchor, Ipc::StoreMap::Slice &slice)
copies at most one slice worth of local memory to shared memory
Definition: MemStore.cc:685
virtual void create() override
create system resources needed for this store to operate in the future
Definition: MemStore.h:48
virtual void evictIfFound(const cache_key *) override
Definition: MemStore.cc:900
Definition: StoreMap.h:57
void completeWriting(StoreEntry &e)
all data has been received; there will be no more write() calls
Definition: MemStore.cc:863
API for adjusting external state when dirty map slice is being freed.
Definition: StoreMap.h:398
Definition: StoreMap.h:219
virtual uint64_t currentCount() const override
the total number of objects stored right now
Definition: MemStore.cc:277
virtual void noteFreeMapSlice(const Ipc::StoreMapSliceId sliceId) override
adjust slice-linked state before a locked Readable slice is erased
Definition: MemStore.cc:802
Aggregates information required for updating entry metadata and headers.
Definition: StoreMap.h:182
void anchorEntry(StoreEntry &e, const sfileno index, const Ipc::StoreMapAnchor &anchor)
anchors StoreEntry to an already locked map entry
Definition: MemStore.cc:433
Ipc::StoreMapItems< MemStoreMapExtraItem > MemStoreMapExtras
Definition: MemStore.h:22
Definition: StoreMap.h:122
sfileno reserveSapForWriting(Ipc::Mem::PageId &page)
finds a slot and a free page to fill or throws
Definition: MemStore.cc:763
bool copyFromShmSlice(StoreEntry &e, const StoreIOBuffer &buf, bool eof)
imports one shared memory slice into local memory
Definition: MemStore.cc:535
Definition: Controlled.h:19
Definition: Store.h:42
void updateHeadersOrThrow(Ipc::StoreMapUpdate &update)
Definition: MemStore.cc:353
bool copyFromShm(StoreEntry &e, const sfileno index, const Ipc::StoreMapAnchor &anchor)
copies the entire entry from shared to local memory
Definition: MemStore.cc:458
void write(StoreEntry &e)
copy non-shared entry data of the being-cached entry to our cache
Definition: MemStore.cc:824
static int64_t EntryLimit()
calculates maximum number of entries we need to store and map
Definition: MemStore.cc:934
virtual bool anchorToCache(StoreEntry &e, bool &inSync) override
Definition: MemStore.cc:393
temporary storage for slot and page ID pointers; for the waiting cache
Definition: MemStore.h:110
Ipc::StoreMap::Slice & nextAppendableSlice(const sfileno entryIndex, sfileno &sliceOffset)
Definition: MemStore.cc:716
bool updateAnchoredWith(StoreEntry &, const sfileno, const Ipc::StoreMapAnchor &)
updates Transients entry after its anchor has been located
Definition: MemStore.cc:424
Ipc::Mem::PageId pageForSlice(Ipc::StoreMapSliceId sliceId)
safely returns a previously allocated memory page for the given entry slice
Definition: MemStore.cc:752
Definition: MemStore.h:30
void disconnect(StoreEntry &e)
called when the entry is about to forget its association with mem cache
Definition: MemStore.cc:907
virtual void reference(StoreEntry &e) override
somebody needs this entry (many cache replacement policies need to know)
Definition: MemStore.cc:289
virtual int64_t maxObjectSize() const override
the maximum size of a storable object; -1 if unlimited
Definition: MemStore.cc:283
High-level store statistics used by mgr:info action. Used inside PODs!
Definition: StoreStats.h:14