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0fd9123eac
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function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
! -wholename "*security/nss*" \
! -wholename "*/.hg*" \
! -wholename "obj-ff-dbg*" \
! -name nsXPCOMCID.h \
! -name prtypes.h \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
-o -iname "*.ipdlh" \
-o -iname "*.mm" \) | \
xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}
convert PRInt8 int8_t
convert PRUint8 uint8_t
convert PRInt16 int16_t
convert PRUint16 uint16_t
convert PRInt32 int32_t
convert PRUint32 uint32_t
convert PRInt64 int64_t
convert PRUint64 uint64_t
convert PRIntn int
convert PRUintn unsigned
convert PRSize size_t
convert PROffset32 int32_t
convert PROffset64 int64_t
convert PRPtrdiff ptrdiff_t
convert PRFloat64 double
341 lines
12 KiB
C++
341 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _nsCacheService_h_
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#define _nsCacheService_h_
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#include "nsICacheService.h"
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#include "nsCacheSession.h"
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#include "nsCacheDevice.h"
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#include "nsCacheEntry.h"
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#include "prthread.h"
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#include "nsIObserver.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "nsRefPtrHashtable.h"
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#include "mozilla/CondVar.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/Telemetry.h"
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class nsCacheRequest;
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class nsCacheProfilePrefObserver;
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class nsDiskCacheDevice;
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class nsMemoryCacheDevice;
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class nsOfflineCacheDevice;
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class nsCacheServiceAutoLock;
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class nsITimer;
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/******************************************************************************
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* nsCacheService
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******************************************************************************/
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class nsCacheService : public nsICacheService
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSICACHESERVICE
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nsCacheService();
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virtual ~nsCacheService();
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// Define a Create method to be used with a factory:
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static nsresult
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Create(nsISupports* outer, const nsIID& iid, void* *result);
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/**
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* Methods called by nsCacheSession
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*/
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static nsresult OpenCacheEntry(nsCacheSession * session,
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const nsACString & key,
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nsCacheAccessMode accessRequested,
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bool blockingMode,
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nsICacheListener * listener,
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nsICacheEntryDescriptor ** result);
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static nsresult EvictEntriesForSession(nsCacheSession * session);
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static nsresult IsStorageEnabledForPolicy(nsCacheStoragePolicy storagePolicy,
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bool * result);
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static nsresult DoomEntry(nsCacheSession *session,
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const nsACString &key,
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nsICacheListener *listener);
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/**
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* Methods called by nsCacheEntryDescriptor
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*/
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static void CloseDescriptor(nsCacheEntryDescriptor * descriptor);
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static nsresult GetFileForEntry(nsCacheEntry * entry,
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nsIFile ** result);
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static nsresult OpenInputStreamForEntry(nsCacheEntry * entry,
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nsCacheAccessMode mode,
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uint32_t offset,
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nsIInputStream ** result);
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static nsresult OpenOutputStreamForEntry(nsCacheEntry * entry,
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nsCacheAccessMode mode,
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uint32_t offset,
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nsIOutputStream ** result);
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static nsresult OnDataSizeChange(nsCacheEntry * entry, int32_t deltaSize);
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static nsresult SetCacheElement(nsCacheEntry * entry, nsISupports * element);
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static nsresult ValidateEntry(nsCacheEntry * entry);
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static int32_t CacheCompressionLevel();
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/**
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* Methods called by any cache classes
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*/
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static
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nsCacheService * GlobalInstance() { return gService; }
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static int64_t MemoryDeviceSize();
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static nsresult DoomEntry(nsCacheEntry * entry);
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static bool IsStorageEnabledForPolicy_Locked(nsCacheStoragePolicy policy);
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/**
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* Called by disk cache to notify us to use the new max smart size
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*/
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static void MarkStartingFresh();
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/**
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* Methods called by nsApplicationCacheService
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*/
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nsresult GetOfflineDevice(nsOfflineCacheDevice ** aDevice);
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/**
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* Creates an offline cache device that works over a specific profile directory.
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* A tool to preload offline cache for profiles different from the current
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* application's profile directory.
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*/
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nsresult GetCustomOfflineDevice(nsIFile *aProfileDir,
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int32_t aQuota,
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nsOfflineCacheDevice **aDevice);
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// This method may be called to release an object while the cache service
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// lock is being held. If a non-null target is specified and the target
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// does not correspond to the current thread, then the release will be
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// proxied to the specified target. Otherwise, the object will be added to
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// the list of objects to be released when the cache service is unlocked.
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static void ReleaseObject_Locked(nsISupports * object,
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nsIEventTarget * target = nullptr);
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static nsresult DispatchToCacheIOThread(nsIRunnable* event);
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// Calling this method will block the calling thread until all pending
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// events on the cache-io thread has finished. The calling thread must
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// hold the cache-lock
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static nsresult SyncWithCacheIOThread();
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/**
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* Methods called by nsCacheProfilePrefObserver
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*/
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static void OnProfileShutdown(bool cleanse);
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static void OnProfileChanged();
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static void SetDiskCacheEnabled(bool enabled);
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// Sets the disk cache capacity (in kilobytes)
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static void SetDiskCacheCapacity(int32_t capacity);
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// Set max size for a disk-cache entry (in KB). -1 disables limit up to
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// 1/8th of disk cache size
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static void SetDiskCacheMaxEntrySize(int32_t maxSize);
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// Set max size for a memory-cache entry (in kilobytes). -1 disables
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// limit up to 90% of memory cache size
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static void SetMemoryCacheMaxEntrySize(int32_t maxSize);
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static void SetOfflineCacheEnabled(bool enabled);
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// Sets the offline cache capacity (in kilobytes)
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static void SetOfflineCacheCapacity(int32_t capacity);
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static void SetMemoryCache();
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static void SetCacheCompressionLevel(int32_t level);
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// Starts smart cache size computation if disk device is available
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static nsresult SetDiskSmartSize();
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nsresult Init();
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void Shutdown();
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static void AssertOwnsLock()
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{ gService->mLock.AssertCurrentThreadOwns(); }
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static void LeavePrivateBrowsing();
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bool IsDoomListEmpty();
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typedef bool (*DoomCheckFn)(nsCacheEntry* entry);
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private:
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friend class nsCacheServiceAutoLock;
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friend class nsOfflineCacheDevice;
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friend class nsProcessRequestEvent;
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friend class nsSetSmartSizeEvent;
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friend class nsBlockOnCacheThreadEvent;
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friend class nsSetDiskSmartSizeCallback;
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friend class nsDoomEvent;
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friend class nsDisableOldMaxSmartSizePrefEvent;
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friend class nsDiskCacheMap;
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/**
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* Internal Methods
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*/
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static void Lock(::mozilla::Telemetry::ID mainThreadLockerID);
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static void Unlock();
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nsresult CreateDiskDevice();
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nsresult CreateOfflineDevice();
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nsresult CreateCustomOfflineDevice(nsIFile *aProfileDir,
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int32_t aQuota,
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nsOfflineCacheDevice **aDevice);
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nsresult CreateMemoryDevice();
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nsresult RemoveCustomOfflineDevice(nsOfflineCacheDevice *aDevice);
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nsresult CreateRequest(nsCacheSession * session,
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const nsACString & clientKey,
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nsCacheAccessMode accessRequested,
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bool blockingMode,
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nsICacheListener * listener,
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nsCacheRequest ** request);
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nsresult DoomEntry_Internal(nsCacheEntry * entry,
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bool doProcessPendingRequests);
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nsresult EvictEntriesForClient(const char * clientID,
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nsCacheStoragePolicy storagePolicy);
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// Notifies request listener asynchronously on the request's thread, and
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// releases the descriptor on the request's thread. If this method fails,
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// the descriptor is not released.
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nsresult NotifyListener(nsCacheRequest * request,
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nsICacheEntryDescriptor * descriptor,
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nsCacheAccessMode accessGranted,
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nsresult error);
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nsresult ActivateEntry(nsCacheRequest * request,
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nsCacheEntry ** entry,
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nsCacheEntry ** doomedEntry);
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nsCacheDevice * EnsureEntryHasDevice(nsCacheEntry * entry);
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nsCacheEntry * SearchCacheDevices(nsCString * key, nsCacheStoragePolicy policy, bool *collision);
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void DeactivateEntry(nsCacheEntry * entry);
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nsresult ProcessRequest(nsCacheRequest * request,
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bool calledFromOpenCacheEntry,
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nsICacheEntryDescriptor ** result);
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nsresult ProcessPendingRequests(nsCacheEntry * entry);
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void ClearPendingRequests(nsCacheEntry * entry);
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void ClearDoomList(void);
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void ClearActiveEntries(void);
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void DoomActiveEntries(DoomCheckFn check);
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static
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PLDHashOperator DeactivateAndClearEntry(PLDHashTable * table,
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PLDHashEntryHdr * hdr,
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uint32_t number,
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void * arg);
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static
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PLDHashOperator RemoveActiveEntry(PLDHashTable * table,
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PLDHashEntryHdr * hdr,
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uint32_t number,
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void * arg);
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static
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PLDHashOperator ShutdownCustomCacheDeviceEnum(const nsAString& aProfileDir,
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nsRefPtr<nsOfflineCacheDevice>& aDevice,
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void* aUserArg);
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#if defined(PR_LOGGING)
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void LogCacheStatistics();
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#endif
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nsresult SetDiskSmartSize_Locked();
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/**
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* Data Members
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*/
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static nsCacheService * gService; // there can be only one...
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nsCacheProfilePrefObserver * mObserver;
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mozilla::Mutex mLock;
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mozilla::CondVar mCondVar;
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nsCOMPtr<nsIThread> mCacheIOThread;
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nsTArray<nsISupports*> mDoomedObjects;
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nsCOMPtr<nsITimer> mSmartSizeTimer;
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bool mInitialized;
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bool mClearingEntries;
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bool mEnableMemoryDevice;
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bool mEnableDiskDevice;
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bool mEnableOfflineDevice;
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nsMemoryCacheDevice * mMemoryDevice;
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nsDiskCacheDevice * mDiskDevice;
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nsOfflineCacheDevice * mOfflineDevice;
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nsRefPtrHashtable<nsStringHashKey, nsOfflineCacheDevice> mCustomOfflineDevices;
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nsCacheEntryHashTable mActiveEntries;
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PRCList mDoomedEntries;
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// stats
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uint32_t mTotalEntries;
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uint32_t mCacheHits;
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uint32_t mCacheMisses;
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uint32_t mMaxKeyLength;
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uint32_t mMaxDataSize;
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uint32_t mMaxMetaSize;
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// Unexpected error totals
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uint32_t mDeactivateFailures;
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uint32_t mDeactivatedUnboundEntries;
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};
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/******************************************************************************
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* nsCacheServiceAutoLock
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******************************************************************************/
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#define LOCK_TELEM(x) \
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(::mozilla::Telemetry::CACHE_SERVICE_LOCK_WAIT_MAINTHREAD_##x)
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// Instantiate this class to acquire the cache service lock for a particular
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// execution scope.
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class nsCacheServiceAutoLock {
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public:
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nsCacheServiceAutoLock(mozilla::Telemetry::ID mainThreadLockerID) {
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nsCacheService::Lock(mainThreadLockerID);
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}
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~nsCacheServiceAutoLock() {
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nsCacheService::Unlock();
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}
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};
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#endif // _nsCacheService_h_
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