Public Member Functions | Data Fields

Cache Struct Reference

#include <P_CacheInternal.h>

Collaboration diagram for Cache:
Collaboration graph
[legend]

Public Member Functions

int open (bool reconfigure, bool fix)
int close ()
Action * lookup (Continuation *cont, CacheKey *key, CacheFragType type, char const *hostname, int host_len)
inkcoreapi Action * open_read (Continuation *cont, CacheKey *key, CacheFragType type, char *hostname, int len)
inkcoreapi Action * open_write (Continuation *cont, CacheKey *key, CacheFragType frag_type, int options=0, time_t pin_in_cache=(time_t) 0, char *hostname=0, int host_len=0)
inkcoreapi Action * remove (Continuation *cont, CacheKey *key, CacheFragType type=CACHE_FRAG_TYPE_HTTP, bool user_agents=true, bool link=false, char *hostname=0, int host_len=0)
Action * scan (Continuation *cont, char *hostname=0, int host_len=0, int KB_per_second=2500)
Action * link (Continuation *cont, CacheKey *from, CacheKey *to, CacheFragType type, char *hostname, int host_len)
Action * deref (Continuation *cont, CacheKey *key, CacheFragType type, char *hostname, int host_len)
void vol_initialized (bool result)
int open_done ()
Vol * key_to_vol (CacheKey *key, char const *hostname, int host_len)
 Cache ()

Data Fields

volatile int cache_read_done
volatile int total_good_nvol
volatile int total_nvol
volatile int ready
int64_t cache_size
CacheHostTable * hosttable
volatile int total_initialized_vol
CacheType scheme

Detailed Description

Definition at line 1013 of file P_CacheInternal.h.

Constructor & Destructor Documentation

Cache::Cache (  )  [inline]

Definition at line 1064 of file P_CacheInternal.h.

Member Function Documentation

int Cache::close (  ) 

Definition at line 2341 of file Cache.cc.

Action * Cache::deref ( Continuation *  cont,
CacheKey *  key,
CacheFragType  type,
char *  hostname,
int  host_len 
)

Definition at line 75 of file CacheLink.cc.

References CacheVC::_action, ACTION_RESULT_DONE, AIO_EVENT_DONE, cache_config_mutex_retry_delay, CACHE_EVENT_DEREF_FAILED, caches, CacheVC::derefRead(), CacheVC::dir, dir_probe(), CacheVC::do_read_call(), ECACHE_NO_DOC, EVENT_DONE, EVENT_RETURN, CacheVC::first_key, Continuation::handleEvent(), HRTIME_MSECONDS, ink_assert, CacheProcessor::IsCacheReady(), CacheVC::key, key_to_vol(), CacheVC::last_collision, Continuation::mutex, MUTEX_TRY_LOCK, new_CacheVC(), SET_CONTINUATION_HANDLER, and CacheVC::vol.

Referenced by cache_op_ClusterFunction().

Vol * Cache::key_to_vol ( CacheKey *  key,
char const *  hostname,
int  host_len 
)

Definition at line 3379 of file Cache.cc.

References Debug, CacheHostTable::gen_host_rec, hosttable, is_debug_tag_set, CacheHostTable::m_numEntries, CacheHostTable::Match(), CacheHostResult::record, ats::CryptoHash::slice32(), CacheHostRecord::vol_hash_table, VOL_HASH_TABLE_SIZE, and CacheHostRecord::vols.

Referenced by deref(), link(), lookup(), open_read(), open_write(), and remove().

Action * Cache::link ( Continuation *  cont,
CacheKey *  from,
CacheKey *  to,
CacheFragType  type,
char *  hostname,
int  host_len 
)

Definition at line 27 of file CacheLink.cc.

References CacheVC::_action, ACTION_RESULT_DONE, CacheVC::buf, BUFFER_SIZE_INDEX_512, CACHE_EVENT_LINK_FAILED, caches, Doc::data(), CacheVC::do_write_lock(), CacheVC::earliest_key, CacheVC::f, CacheVC::first_key, Continuation::handleEvent(), ink_assert, CacheProcessor::IsCacheReady(), key_to_vol(), CacheVC::linkWrite(), memcpy, new_CacheVC(), new_IOBufferData, SET_CONTINUATION_HANDLER, CacheVC::vol, and CacheVC::write_len.

Referenced by cache_op_ClusterFunction().

Action * Cache::lookup ( Continuation *  cont,
CacheKey *  key,
CacheFragType  type,
char const *  hostname,
int  host_len 
)

Definition at line 2776 of file Cache.cc.

References CacheVC::_action, ACTION_RESULT_DONE, CacheVC::base_stat, CACHE_EVENT_LOOKUP_FAILED, CACHE_INCREMENT_DYN_STAT, CACHE_STAT_ACTIVE, EVENT_INTERVAL, CacheVC::f, CacheVC::first_key, CacheVC::frag_type, Continuation::handleEvent(), CacheProcessor::IsCacheReady(), CacheVC::key, key_to_vol(), CacheVC::last_collision, Continuation::mutex, new_CacheVC(), VIO::op, CacheVC::openReadStartHead(), SET_CONTINUATION_HANDLER, CacheVC::vio, and CacheVC::vol.

Referenced by cache_lookup_ClusterFunction(), and CacheContinuation::remoteOpEvent().

int Cache::open ( bool  reconfigure,
bool  fix 
)

Definition at line 2291 of file Cache.cc.

References ats_malloc(), DiskVolBlockQueue::b, Vol::cache, cache_config_min_average_object_size, cache_read_done, cache_size, Vol::cache_vol, CacheDisk::cleared, Debug, Vol::disk, DiskVol::disk, DISK_BAD, CacheVol::disk_vols, DiskVol::dpb_queue, eventProcessor, CacheDisk::fd, Vol::fd, gndisks, DLL< C, L >::head, Vol::init(), DiskVolBlock::len, DiskVolBlockQueue::new_block, CacheVol::num_vols, DiskVolBlock::offset, open_done(), CacheDisk::path, REC_EstablishStaticConfigInt32, EventProcessor::schedule_imm(), scheme, CacheVol::scheme, total_good_nvol, total_initialized_vol, total_nvol, and CacheVol::vols.

Referenced by CacheProcessor::diskInitialized().

int Cache::open_done (  ) 

Definition at line 2267 of file Cache.cc.

References CacheProcessor::cacheInitialized(), CacheHostTable::gen_host_rec, hosttable, CacheHostRecord::num_cachevols, ready, CacheHostTable::register_config_callback(), StatPagesManager::register_http(), register_ShowCache(), register_ShowCacheInternal(), scheme, statPagesManager, and total_good_nvol.

Referenced by open(), and vol_initialized().

Action * Cache::open_read ( Continuation *  cont,
CacheKey *  key,
CacheFragType  type,
char *  hostname,
int  len 
)

Definition at line 34 of file CacheRead.cc.

References CacheVC::_action, ACTION_RESULT_DONE, AIO_EVENT_DONE, CacheVC::base_stat, CACHE_EVENT_OPEN_READ_FAILED, CACHE_INCREMENT_DYN_STAT, cache_read_failure_stat, CACHE_STAT_ACTIVE, CACHE_TRY_LOCK, caches, CONT_SCHED_LOCK_RETRY, CacheVC::dir, dir_probe(), CacheVC::do_read_call(), CacheVC::earliest_key, ECACHE_NO_DOC, ECACHE_NOT_READY, EVENT_DONE, EVENT_IMMEDIATE, EVENT_RETURN, CacheVC::first_key, CacheVC::frag_type, Continuation::handleEvent(), ink_assert, CacheProcessor::IsCacheReady(), CacheVC::key, key_to_vol(), CacheVC::last_collision, Continuation::mutex, new_CacheVC(), CacheVC::od, VIO::op, Vol::open_read(), CacheVC::openReadFromWriter(), CacheVC::openReadStartHead(), SET_CONTINUATION_HANDLER, ProxyMutex::thread_holding, CacheVC::vio, and CacheVC::vol.

Referenced by cache_op_ClusterFunction().

Action * Cache::open_write ( Continuation *  cont,
CacheKey *  key,
CacheFragType  frag_type,
int  options = 0,
time_t  pin_in_cache = (time_t) 0,
char *  hostname = 0,
int  host_len = 0 
)

Definition at line 1618 of file CacheWrite.cc.

References CacheVC::_action, ACTION_RESULT_DONE, CacheVC::base_stat, CACHE_EVENT_OPEN_WRITE, CACHE_EVENT_OPEN_WRITE_FAILED, CACHE_INCREMENT_DYN_STAT, CACHE_STAT_ACTIVE, CACHE_STAT_FAILURE, CACHE_WRITE_OPT_SYNC, caches, CacheVC::callcont(), CONT_SCHED_LOCK_RETRY, DIR_MASK_TAG, CacheVC::earliest_key, ECACHE_NOT_READY, EVENT_IMMEDIATE, CacheVC::f, CacheVC::first_key, CacheVC::frag_type, free_CacheVC(), Continuation::handleEvent(), CacheVC::info, ink_assert, CacheProcessor::IsCacheReady(), CacheVC::key, key_to_vol(), Continuation::mutex, MUTEX_LOCK, new_CacheVC(), VIO::op, Vol::open_write_lock(), CacheVC::openWriteMain(), CacheVC::openWriteOverwrite(), CacheVC::openWriteStartBegin(), CacheVC::pin_in_cache, rand_CacheKey(), SET_CONTINUATION_HANDLER, ats::CryptoHash::slice32(), this_ethread(), CacheVC::trigger, CacheVC::vio, and CacheVC::vol.

Referenced by cache_op_ClusterFunction(), and CacheContinuation::setupReadWriteVC().

Action * Cache::remove ( Continuation *  cont,
CacheKey *  key,
CacheFragType  type = CACHE_FRAG_TYPE_HTTP,
bool  user_agents = true,
bool  link = false,
char *  hostname = 0,
int  host_len = 0 
)

Definition at line 2896 of file Cache.cc.

References CacheVC::_action, CacheVC::base_stat, CACHE_EVENT_REMOVE_FAILED, CACHE_INCREMENT_DYN_STAT, CACHE_STAT_ACTIVE, CACHE_TRY_LOCK, CacheVC::dir, dir_clear, EVENT_DONE, EVENT_IMMEDIATE, CacheVC::f, CacheVC::first_key, CacheVC::frag_type, Continuation::handleEvent(), ink_assert, CacheProcessor::IsCacheReady(), CacheVC::key, key_to_vol(), Continuation::mutex, new_CacheRemoveCont(), new_CacheVC(), VIO::op, CacheVC::removeEvent(), SET_CONTINUATION_HANDLER, this_ethread(), CacheVC::vio, and CacheVC::vol.

Referenced by cache_op_ClusterFunction().

Action * Cache::scan ( Continuation *  cont,
char *  hostname = 0,
int  host_len = 0,
int  KB_per_second = 2500 
)

Definition at line 32 of file CacheVol.cc.

References CacheVC::_action, CacheVC::base_stat, CacheVC::buf, BUFFER_SIZE_FOR_XMALLOC, CACHE_EVENT_SCAN, CACHE_EVENT_SCAN_FAILED, CACHE_FRAG_TYPE_HTTP, Debug, eventProcessor, Continuation::handleEvent(), CacheVC::host_len, CacheVC::hostname, HRTIME_MSECONDS, CacheProcessor::IsCacheReady(), MEMALIGNED, new_CacheVC(), new_IOBufferData, CacheVC::offset, SCAN_BUF_SIZE, CacheVC::scan_msec_delay, CacheVC::scanVol(), EventProcessor::schedule_in(), SET_CONTINUATION_HANDLER, and CacheVC::vol.

void Cache::vol_initialized ( bool  result  ) 

Definition at line 2138 of file Cache.cc.

References open_done(), total_good_nvol, total_initialized_vol, and total_nvol.

Referenced by Vol::dir_init_done().

Field Documentation

volatile int Cache::cache_read_done

Definition at line 1015 of file P_CacheInternal.h.

Referenced by Vol::dir_init_done(), and open().

int64_t Cache::cache_size

Definition at line 1019 of file P_CacheInternal.h.

Referenced by CacheProcessor::cacheInitialized(), and open().

CacheHostTable* Cache::hosttable

Definition at line 1020 of file P_CacheInternal.h.

Referenced by key_to_vol(), CacheProcessor::mark_storage_offline(), open_done(), rebuild_host_table(), and CacheVC::scanVol().

volatile int Cache::ready

Definition at line 1018 of file P_CacheInternal.h.

Referenced by CacheProcessor::cacheInitialized(), and open_done().

CacheType Cache::scheme

Definition at line 1022 of file P_CacheInternal.h.

Referenced by CacheProcessor::diskInitialized(), open(), and open_done().

volatile int Cache::total_good_nvol

Definition at line 1016 of file P_CacheInternal.h.

Referenced by open(), open_done(), and vol_initialized().

volatile int Cache::total_initialized_vol

Definition at line 1021 of file P_CacheInternal.h.

Referenced by open(), and vol_initialized().

volatile int Cache::total_nvol

Definition at line 1017 of file P_CacheInternal.h.

Referenced by open(), and vol_initialized().

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