LCOV - code coverage report
Current view: directory - netwerk/cache - nsCacheEntry.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 210 154 73.3 %
Date: 2012-06-02 Functions: 37 24 64.9 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
       2                 :  *
       3                 :  * ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is nsCacheEntry.cpp, released
      17                 :  * February 22, 2001.
      18                 :  *
      19                 :  * The Initial Developer of the Original Code is
      20                 :  * Netscape Communications Corporation.
      21                 :  * Portions created by the Initial Developer are Copyright (C) 2001
      22                 :  * the Initial Developer. All Rights Reserved.
      23                 :  *
      24                 :  * Contributor(s):
      25                 :  *   Gordon Sheridan <gordon@netscape.com>
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : 
      42                 : #include "nspr.h"
      43                 : #include "nsCacheEntry.h"
      44                 : #include "nsCacheEntryDescriptor.h"
      45                 : #include "nsCacheMetaData.h"
      46                 : #include "nsCacheRequest.h"
      47                 : #include "nsThreadUtils.h"
      48                 : #include "nsError.h"
      49                 : #include "nsICacheService.h"
      50                 : #include "nsCache.h"
      51                 : #include "nsCacheService.h"
      52                 : #include "nsCacheDevice.h"
      53                 : #include "nsHashKeys.h"
      54                 : 
      55                 : using namespace mozilla;
      56                 : 
      57            1385 : nsCacheEntry::nsCacheEntry(nsCString *          key,
      58                 :                            bool                 streamBased,
      59                 :                            nsCacheStoragePolicy storagePolicy)
      60                 :     : mKey(key),
      61                 :       mFetchCount(0),
      62                 :       mLastFetched(0),
      63                 :       mLastModified(0),
      64                 :       mExpirationTime(nsICache::NO_EXPIRATION_TIME),
      65                 :       mFlags(0),
      66                 :       mPredictedDataSize(-1),
      67                 :       mDataSize(0),
      68                 :       mCacheDevice(nsnull),
      69            1385 :       mData(nsnull)
      70                 : {
      71            1385 :     MOZ_COUNT_CTOR(nsCacheEntry);
      72            1385 :     PR_INIT_CLIST(this);
      73            1385 :     PR_INIT_CLIST(&mRequestQ);
      74            1385 :     PR_INIT_CLIST(&mDescriptorQ);
      75                 : 
      76            1385 :     if (streamBased) MarkStreamBased();
      77            1385 :     SetStoragePolicy(storagePolicy);
      78            1385 : }
      79                 : 
      80                 : 
      81            2770 : nsCacheEntry::~nsCacheEntry()
      82                 : {
      83            1385 :     MOZ_COUNT_DTOR(nsCacheEntry);
      84            1385 :     delete mKey;
      85                 :     
      86            1385 :     if (mData)
      87            1076 :         nsCacheService::ReleaseObject_Locked(mData, mThread);
      88            1385 : }
      89                 : 
      90                 : 
      91                 : nsresult
      92             285 : nsCacheEntry::Create( const char *          key,
      93                 :                       bool                  streamBased,
      94                 :                       nsCacheStoragePolicy  storagePolicy,
      95                 :                       nsCacheDevice *       device,
      96                 :                       nsCacheEntry **       result)
      97                 : {
      98             285 :     nsCString* newKey = new nsCString(key);
      99             285 :     if (!newKey) return NS_ERROR_OUT_OF_MEMORY;
     100                 :     
     101             285 :     nsCacheEntry* entry = new nsCacheEntry(newKey, streamBased, storagePolicy);
     102             285 :     if (!entry) { delete newKey; return NS_ERROR_OUT_OF_MEMORY; }
     103                 :     
     104             285 :     entry->SetCacheDevice(device);
     105                 :     
     106             285 :     *result = entry;
     107             285 :     return NS_OK;
     108                 : }
     109                 : 
     110                 : 
     111                 : void
     112            2870 : nsCacheEntry::Fetched()
     113                 : {
     114            2870 :     mLastFetched = SecondsFromPRTime(PR_Now());
     115            2870 :     ++mFetchCount;
     116            2870 :     MarkEntryDirty();
     117            2870 : }
     118                 : 
     119                 : 
     120                 : const char *
     121            1488 : nsCacheEntry::GetDeviceID()
     122                 : {
     123            1488 :     if (mCacheDevice)  return mCacheDevice->GetDeviceID();
     124             901 :     return nsnull;
     125                 : }
     126                 : 
     127                 : 
     128                 : void
     129            1496 : nsCacheEntry::TouchData()
     130                 : {
     131            1496 :     mLastModified = SecondsFromPRTime(PR_Now());
     132            1496 :     MarkDataDirty();
     133            1496 : }
     134                 : 
     135                 : 
     136                 : void
     137            1076 : nsCacheEntry::SetData(nsISupports * data)
     138                 : {
     139            1076 :     if (mData) {
     140               0 :         nsCacheService::ReleaseObject_Locked(mData, mThread);
     141               0 :         mData = nsnull;
     142                 :     }
     143                 : 
     144            1076 :     if (data) {
     145            1076 :         NS_ADDREF(mData = data);
     146            1076 :         mThread = do_GetCurrentThread();
     147                 :     }
     148            1076 : }
     149                 : 
     150                 : 
     151                 : void
     152            3941 : nsCacheEntry::TouchMetaData()
     153                 : {
     154            3941 :     mLastModified = SecondsFromPRTime(PR_Now());
     155            3941 :     MarkMetaDataDirty();
     156            3941 : }
     157                 : 
     158                 : 
     159                 : /**
     160                 :  *  cache entry states
     161                 :  *      0 descriptors (new entry)
     162                 :  *      0 descriptors (existing, bound entry)
     163                 :  *      n descriptors (existing, bound entry) valid
     164                 :  *      n descriptors (existing, bound entry) not valid (wait until valid or doomed)
     165                 :  */
     166                 : 
     167                 : nsresult
     168            2890 : nsCacheEntry::RequestAccess(nsCacheRequest * request, nsCacheAccessMode *accessGranted)
     169                 : {
     170            2890 :     nsresult  rv = NS_OK;
     171                 : 
     172            2890 :     if (IsDoomed()) return NS_ERROR_CACHE_ENTRY_DOOMED;
     173                 : 
     174            2890 :     if (!IsInitialized()) {
     175                 :         // brand new, unbound entry
     176            1100 :         request->mKey = nsnull;  // steal ownership of the key string
     177            1100 :         if (request->IsStreamBased())  MarkStreamBased();
     178            1100 :         MarkInitialized();
     179                 : 
     180            1100 :         *accessGranted = request->AccessRequested() & nsICache::ACCESS_WRITE;
     181            1100 :         NS_ASSERTION(*accessGranted, "new cache entry for READ-ONLY request");
     182            1100 :         PR_APPEND_LINK(request, &mRequestQ);
     183            1100 :         return rv;
     184                 :     }
     185                 : 
     186            1790 :     if (IsStreamData() != request->IsStreamBased()) {
     187               0 :         *accessGranted = nsICache::ACCESS_NONE;
     188               0 :         return request->IsStreamBased() ?
     189               0 :             NS_ERROR_CACHE_DATA_IS_NOT_STREAM : NS_ERROR_CACHE_DATA_IS_STREAM;
     190                 :     }
     191                 : 
     192            1790 :     if (PR_CLIST_IS_EMPTY(&mDescriptorQ)) {
     193                 :         // 1st descriptor for existing bound entry
     194             668 :         *accessGranted = request->AccessRequested();
     195             668 :         if (*accessGranted & nsICache::ACCESS_WRITE) {
     196             594 :             MarkInvalid();
     197                 :         } else {
     198              74 :             MarkValid();
     199                 :         }
     200                 :     } else {
     201                 :         // nth request for existing, bound entry
     202            1122 :         *accessGranted = request->AccessRequested() & ~nsICache::ACCESS_WRITE;
     203            1122 :         if (!IsValid())
     204            1112 :             rv = NS_ERROR_CACHE_WAIT_FOR_VALIDATION;
     205                 :     }
     206            1790 :     PR_APPEND_LINK(request,&mRequestQ);
     207                 : 
     208            1790 :     return rv;
     209                 : }
     210                 : 
     211                 : 
     212                 : nsresult
     213            1778 : nsCacheEntry::CreateDescriptor(nsCacheRequest *           request,
     214                 :                                nsCacheAccessMode          accessGranted,
     215                 :                                nsICacheEntryDescriptor ** result)
     216                 : {
     217            1778 :     NS_ENSURE_ARG_POINTER(request && result);
     218                 : 
     219                 :     nsCacheEntryDescriptor * descriptor =
     220            1778 :         new nsCacheEntryDescriptor(this, accessGranted);
     221                 : 
     222                 :     // XXX check request is on q
     223            1778 :     PR_REMOVE_AND_INIT_LINK(request); // remove request regardless of success
     224                 : 
     225            1778 :     if (descriptor == nsnull)
     226               0 :         return NS_ERROR_OUT_OF_MEMORY;
     227                 : 
     228            1778 :     PR_APPEND_LINK(descriptor, &mDescriptorQ);
     229                 : 
     230            1778 :     CACHE_LOG_DEBUG(("  descriptor %p created for request %p on entry %p\n",
     231                 :                     descriptor, request, this));
     232                 : 
     233            1778 :     NS_ADDREF(*result = descriptor);
     234            1778 :     return NS_OK;
     235                 : }
     236                 : 
     237                 : 
     238                 : bool
     239               0 : nsCacheEntry::RemoveRequest(nsCacheRequest * request)
     240                 : {
     241                 :     // XXX if debug: verify this request belongs to this entry
     242               0 :     PR_REMOVE_AND_INIT_LINK(request);
     243                 : 
     244                 :     // return true if this entry should stay active
     245                 :     return !((PR_CLIST_IS_EMPTY(&mRequestQ)) &&
     246               0 :              (PR_CLIST_IS_EMPTY(&mDescriptorQ)));
     247                 : }
     248                 : 
     249                 : 
     250                 : bool
     251            1770 : nsCacheEntry::RemoveDescriptor(nsCacheEntryDescriptor * descriptor)
     252                 : {
     253            1770 :     NS_ASSERTION(descriptor->CacheEntry() == this, "### Wrong cache entry!!");
     254            1770 :     nsresult rv = descriptor->CloseOutput();
     255            1770 :     if (rv == NS_BASE_STREAM_WOULD_BLOCK)
     256               0 :         return true;
     257                 : 
     258            1770 :     descriptor->ClearCacheEntry();
     259            1770 :     PR_REMOVE_AND_INIT_LINK(descriptor);
     260                 : 
     261                 :     // Doom entry if something bad happens while closing. See bug #673543
     262            1770 :     if (NS_FAILED(rv))
     263               0 :         nsCacheService::DoomEntry(this);
     264                 : 
     265            1770 :     if (!PR_CLIST_IS_EMPTY(&mDescriptorQ))
     266              10 :         return true;  // stay active if we still have open descriptors
     267                 : 
     268            1760 :     if (PR_CLIST_IS_EMPTY(&mRequestQ))
     269            1466 :         return false; // no descriptors or requests, we can deactivate
     270                 : 
     271             294 :     return true;     // find next best request to give a descriptor to
     272                 : }
     273                 : 
     274                 : 
     275                 : void
     276               8 : nsCacheEntry::DetachDescriptors(void)
     277                 : {
     278                 :     nsCacheEntryDescriptor * descriptor =
     279               8 :         (nsCacheEntryDescriptor *)PR_LIST_HEAD(&mDescriptorQ);
     280                 : 
     281              24 :     while (descriptor != &mDescriptorQ) {
     282                 :         nsCacheEntryDescriptor * nextDescriptor =
     283               8 :             (nsCacheEntryDescriptor *)PR_NEXT_LINK(descriptor);
     284                 : 
     285                 :         // Doom entry if something bad happens while closing. See bug #673543
     286                 :         // Errors are handled different from RemoveDescriptor because this
     287                 :         // method is only called from ClearDoomList (in which case the entry is
     288                 :         // doomed anyway) and ClearActiveEntries (in which case we are shutting
     289                 :         // down and really want to get rid of the entry immediately)
     290               8 :         if (NS_FAILED(descriptor->CloseOutput()))
     291               0 :             nsCacheService::DoomEntry(this);
     292                 : 
     293               8 :         descriptor->ClearCacheEntry();
     294               8 :         PR_REMOVE_AND_INIT_LINK(descriptor);
     295               8 :         descriptor = nextDescriptor;
     296                 :     }
     297               8 : }
     298                 : 
     299                 : 
     300                 : /******************************************************************************
     301                 :  * nsCacheEntryInfo - for implementing about:cache
     302                 :  *****************************************************************************/
     303                 : 
     304               0 : NS_IMPL_ISUPPORTS1(nsCacheEntryInfo, nsICacheEntryInfo)
     305                 : 
     306                 : 
     307                 : NS_IMETHODIMP
     308               0 : nsCacheEntryInfo::GetClientID(char ** clientID)
     309                 : {
     310               0 :     NS_ENSURE_ARG_POINTER(clientID);
     311               0 :     if (!mCacheEntry)  return NS_ERROR_NOT_AVAILABLE;
     312                 : 
     313               0 :     return ClientIDFromCacheKey(*mCacheEntry->Key(), clientID);
     314                 : }
     315                 : 
     316                 : 
     317                 : NS_IMETHODIMP
     318               0 : nsCacheEntryInfo::GetDeviceID(char ** deviceID)
     319                 : {
     320               0 :     NS_ENSURE_ARG_POINTER(deviceID);
     321               0 :     if (!mCacheEntry)  return NS_ERROR_NOT_AVAILABLE;
     322                 : 
     323               0 :     *deviceID = NS_strdup(mCacheEntry->GetDeviceID());
     324               0 :     return *deviceID ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
     325                 : }
     326                 : 
     327                 : 
     328                 : NS_IMETHODIMP
     329               0 : nsCacheEntryInfo::GetKey(nsACString &key)
     330                 : {
     331               0 :     if (!mCacheEntry)  return NS_ERROR_NOT_AVAILABLE;
     332                 : 
     333               0 :     return ClientKeyFromCacheKey(*mCacheEntry->Key(), key);
     334                 : }
     335                 : 
     336                 : 
     337                 : NS_IMETHODIMP
     338               0 : nsCacheEntryInfo::GetFetchCount(PRInt32 * fetchCount)
     339                 : {
     340               0 :     NS_ENSURE_ARG_POINTER(fetchCount);
     341               0 :     if (!mCacheEntry)  return NS_ERROR_NOT_AVAILABLE;
     342                 : 
     343               0 :     *fetchCount = mCacheEntry->FetchCount();
     344               0 :     return NS_OK;
     345                 : }
     346                 : 
     347                 : 
     348                 : NS_IMETHODIMP
     349               0 : nsCacheEntryInfo::GetLastFetched(PRUint32 * lastFetched)
     350                 : {
     351               0 :     NS_ENSURE_ARG_POINTER(lastFetched);
     352               0 :     if (!mCacheEntry)  return NS_ERROR_NOT_AVAILABLE;
     353                 : 
     354               0 :     *lastFetched = mCacheEntry->LastFetched();
     355               0 :     return NS_OK;
     356                 : }
     357                 : 
     358                 : 
     359                 : NS_IMETHODIMP
     360               0 : nsCacheEntryInfo::GetLastModified(PRUint32 * lastModified)
     361                 : {
     362               0 :     NS_ENSURE_ARG_POINTER(lastModified);
     363               0 :     if (!mCacheEntry)  return NS_ERROR_NOT_AVAILABLE;
     364                 : 
     365               0 :     *lastModified = mCacheEntry->LastModified();
     366               0 :     return NS_OK;
     367                 : }
     368                 : 
     369                 : 
     370                 : NS_IMETHODIMP
     371               0 : nsCacheEntryInfo::GetExpirationTime(PRUint32 * expirationTime)
     372                 : {
     373               0 :     NS_ENSURE_ARG_POINTER(expirationTime);
     374               0 :     if (!mCacheEntry)  return NS_ERROR_NOT_AVAILABLE;
     375                 : 
     376               0 :     *expirationTime = mCacheEntry->ExpirationTime();
     377               0 :     return NS_OK;
     378                 : }
     379                 : 
     380                 : 
     381                 : NS_IMETHODIMP
     382               0 : nsCacheEntryInfo::GetDataSize(PRUint32 * dataSize)
     383                 : {
     384               0 :     NS_ENSURE_ARG_POINTER(dataSize);
     385               0 :     if (!mCacheEntry)  return NS_ERROR_NOT_AVAILABLE;
     386                 : 
     387               0 :     *dataSize = mCacheEntry->DataSize();
     388               0 :     return NS_OK;
     389                 : }
     390                 : 
     391                 : 
     392                 : NS_IMETHODIMP
     393               0 : nsCacheEntryInfo::IsStreamBased(bool * result)
     394                 : {
     395               0 :     NS_ENSURE_ARG_POINTER(result);
     396               0 :     if (!mCacheEntry)  return NS_ERROR_NOT_AVAILABLE;
     397                 :     
     398               0 :     *result = mCacheEntry->IsStreamData();
     399               0 :     return NS_OK;
     400                 : }
     401                 : 
     402                 : 
     403                 : /******************************************************************************
     404                 :  *  nsCacheEntryHashTable
     405                 :  *****************************************************************************/
     406                 : 
     407                 : PLDHashTableOps
     408                 : nsCacheEntryHashTable::ops =
     409                 : {
     410                 :     PL_DHashAllocTable,
     411                 :     PL_DHashFreeTable,
     412                 :     HashKey,
     413                 :     MatchEntry,
     414                 :     MoveEntry,
     415                 :     ClearEntry,
     416                 :     PL_DHashFinalizeStub
     417                 : };
     418                 : 
     419                 : 
     420             359 : nsCacheEntryHashTable::nsCacheEntryHashTable()
     421             359 :     : initialized(false)
     422                 : {
     423             359 :     MOZ_COUNT_CTOR(nsCacheEntryHashTable);
     424             359 : }
     425                 : 
     426                 : 
     427             359 : nsCacheEntryHashTable::~nsCacheEntryHashTable()
     428                 : {
     429             359 :     MOZ_COUNT_DTOR(nsCacheEntryHashTable);
     430             359 :     if (initialized)
     431               0 :         Shutdown();
     432             359 : }
     433                 : 
     434                 : 
     435                 : nsresult
     436             359 : nsCacheEntryHashTable::Init()
     437                 : {
     438             359 :     nsresult rv = NS_OK;
     439                 :     initialized = PL_DHashTableInit(&table, &ops, nsnull,
     440             359 :                                            sizeof(nsCacheEntryHashTableEntry), 512);
     441                 : 
     442             359 :     if (!initialized) rv = NS_ERROR_OUT_OF_MEMORY;
     443                 :     
     444             359 :     return rv;
     445                 : }
     446                 : 
     447                 : void
     448             359 : nsCacheEntryHashTable::Shutdown()
     449                 : {
     450             359 :     if (initialized) {
     451             359 :         PL_DHashTableFinish(&table);
     452             359 :         initialized = false;
     453                 :     }
     454             359 : }
     455                 : 
     456                 : 
     457                 : nsCacheEntry *
     458            5646 : nsCacheEntryHashTable::GetEntry( const nsCString * key)
     459                 : {
     460                 :     PLDHashEntryHdr *hashEntry;
     461            5646 :     nsCacheEntry    *result = nsnull;
     462                 : 
     463            5646 :     NS_ASSERTION(initialized, "nsCacheEntryHashTable not initialized");
     464            5646 :     if (!initialized)  return nsnull;
     465                 :     
     466            5646 :     hashEntry = PL_DHashTableOperate(&table, key, PL_DHASH_LOOKUP);
     467            5646 :     if (PL_DHASH_ENTRY_IS_BUSY(hashEntry)) {
     468            3431 :         result = ((nsCacheEntryHashTableEntry *)hashEntry)->cacheEntry;
     469                 :     }
     470            5646 :     return result;
     471                 : }
     472                 : 
     473                 : 
     474                 : nsresult
     475            1710 : nsCacheEntryHashTable::AddEntry( nsCacheEntry *cacheEntry)
     476                 : {
     477                 :     PLDHashEntryHdr    *hashEntry;
     478                 : 
     479            1710 :     NS_ASSERTION(initialized, "nsCacheEntryHashTable not initialized");
     480            1710 :     if (!initialized)  return NS_ERROR_NOT_INITIALIZED;
     481            1710 :     if (!cacheEntry)   return NS_ERROR_NULL_POINTER;
     482                 : 
     483            1710 :     hashEntry = PL_DHashTableOperate(&table, cacheEntry->mKey, PL_DHASH_ADD);
     484                 : #ifndef DEBUG_dougt
     485            1710 :     NS_ASSERTION(((nsCacheEntryHashTableEntry *)hashEntry)->cacheEntry == 0,
     486                 :                  "### nsCacheEntryHashTable::AddEntry - entry already used");
     487                 : #endif
     488            1710 :     ((nsCacheEntryHashTableEntry *)hashEntry)->cacheEntry = cacheEntry;
     489                 : 
     490            1710 :     return NS_OK;
     491                 : }
     492                 : 
     493                 : 
     494                 : void
     495            1503 : nsCacheEntryHashTable::RemoveEntry( nsCacheEntry *cacheEntry)
     496                 : {
     497            1503 :     NS_ASSERTION(initialized, "nsCacheEntryHashTable not initialized");
     498            1503 :     NS_ASSERTION(cacheEntry, "### cacheEntry == nsnull");
     499                 : 
     500            1503 :     if (!initialized)  return; // NS_ERROR_NOT_INITIALIZED
     501                 : 
     502                 : #if DEBUG
     503                 :     // XXX debug code to make sure we have the entry we're trying to remove
     504            1503 :     nsCacheEntry *check = GetEntry(cacheEntry->mKey);
     505            1503 :     NS_ASSERTION(check == cacheEntry, "### Attempting to remove unknown cache entry!!!");
     506                 : #endif
     507            1503 :     (void) PL_DHashTableOperate(&table, cacheEntry->mKey, PL_DHASH_REMOVE);
     508                 : }
     509                 : 
     510                 : 
     511                 : void
     512             453 : nsCacheEntryHashTable::VisitEntries( PLDHashEnumerator etor, void *arg)
     513                 : {
     514             453 :     NS_ASSERTION(initialized, "nsCacheEntryHashTable not initialized");
     515             453 :     if (!initialized)  return; // NS_ERROR_NOT_INITIALIZED
     516             453 :     PL_DHashTableEnumerate(&table, etor, arg);
     517                 : }
     518                 : 
     519                 : 
     520                 : /**
     521                 :  *  hash table operation callback functions
     522                 :  */
     523                 : 
     524                 : PLDHashNumber
     525            8859 : nsCacheEntryHashTable::HashKey( PLDHashTable *table, const void *key)
     526                 : {
     527            8859 :     return HashString(*static_cast<const nsCString *>(key));
     528                 : }
     529                 : 
     530                 : bool
     531            4934 : nsCacheEntryHashTable::MatchEntry(PLDHashTable *       /* table */,
     532                 :                                   const PLDHashEntryHdr * hashEntry,
     533                 :                                   const void *            key)
     534                 : {
     535            4934 :     NS_ASSERTION(key !=  nsnull, "### nsCacheEntryHashTable::MatchEntry : null key");
     536            4934 :     nsCacheEntry *cacheEntry = ((nsCacheEntryHashTableEntry *)hashEntry)->cacheEntry;
     537                 : 
     538            4934 :     return cacheEntry->mKey->Equals(*(nsCString *)key);
     539                 : }
     540                 : 
     541                 : 
     542                 : void
     543             249 : nsCacheEntryHashTable::MoveEntry(PLDHashTable * /* table */,
     544                 :                                  const PLDHashEntryHdr *from,
     545                 :                                  PLDHashEntryHdr       *to)
     546                 : {
     547                 :     ((nsCacheEntryHashTableEntry *)to)->cacheEntry =
     548             249 :         ((nsCacheEntryHashTableEntry *)from)->cacheEntry;
     549             249 : }
     550                 : 
     551                 : 
     552                 : void
     553            1710 : nsCacheEntryHashTable::ClearEntry(PLDHashTable * /* table */,
     554                 :                                   PLDHashEntryHdr * hashEntry)
     555                 : {
     556            1710 :     ((nsCacheEntryHashTableEntry *)hashEntry)->cacheEntry = 0;
     557            1710 : }

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