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Bug 1083462 - Remove the bookmarks cache r=mak

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This commit is contained in:
Tim Taubert 2014-11-11 17:52:31 +01:00
parent 5c945607ea
commit fe35a9560b
2 changed files with 1 additions and 168 deletions
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138
toolkit/components/places/nsNavBookmarks.cpp
View File

@ -20,31 +20,6 @@
#include "GeckoProfiler.h"
#define BOOKMARKS_TO_KEYWORDS_INITIAL_CACHE_LENGTH 32
#define RECENT_BOOKMARKS_INITIAL_CACHE_LENGTH 10
// Threshold to expire old bookmarks if the initial cache size is exceeded.
#define RECENT_BOOKMARKS_THRESHOLD PRTime((int64_t)1 * 60 * PR_USEC_PER_SEC)
#define BEGIN_CRITICAL_BOOKMARK_CACHE_SECTION(_itemId_) \
mUncachableBookmarks.PutEntry(_itemId_); \
mRecentBookmarksCache.RemoveEntry(_itemId_)
#define END_CRITICAL_BOOKMARK_CACHE_SECTION(_itemId_) \
MOZ_ASSERT(!mRecentBookmarksCache.GetEntry(_itemId_)); \
MOZ_ASSERT(mUncachableBookmarks.GetEntry(_itemId_)); \
mUncachableBookmarks.RemoveEntry(_itemId_)
#define ADD_TO_BOOKMARK_CACHE(_itemId_, _data_) \
PR_BEGIN_MACRO \
ExpireNonrecentBookmarks(&mRecentBookmarksCache); \
if (!mUncachableBookmarks.GetEntry(_itemId_)) { \
BookmarkKeyClass* key = mRecentBookmarksCache.PutEntry(_itemId_); \
if (key) { \
key->bookmark = _data_; \
} \
} \
PR_END_MACRO
#define TOPIC_PLACES_MAINTENANCE "places-maintenance-finished"
using namespace mozilla;
@ -155,46 +130,6 @@ private:
DataType mData;
};
static PLDHashOperator
ExpireNonrecentBookmarksCallback(BookmarkKeyClass* aKey,
void* userArg)
{
int64_t* threshold = reinterpret_cast<int64_t*>(userArg);
if (aKey->creationTime < *threshold) {
return PL_DHASH_REMOVE;
}
return PL_DHASH_NEXT;
}
static void
ExpireNonrecentBookmarks(nsTHashtable<BookmarkKeyClass>* hashTable)
{
if (hashTable->Count() > RECENT_BOOKMARKS_INITIAL_CACHE_LENGTH) {
int64_t threshold = PR_Now() - RECENT_BOOKMARKS_THRESHOLD;
(void)hashTable->EnumerateEntries(ExpireNonrecentBookmarksCallback,
reinterpret_cast<void*>(&threshold));
}
}
static PLDHashOperator
ExpireRecentBookmarksByParentCallback(BookmarkKeyClass* aKey,
void* userArg)
{
int64_t* parentId = reinterpret_cast<int64_t*>(userArg);
if (aKey->bookmark.parentId == *parentId) {
return PL_DHASH_REMOVE;
}
return PL_DHASH_NEXT;
}
static void
ExpireRecentBookmarksByParent(nsTHashtable<BookmarkKeyClass>* hashTable,
int64_t aParentId)
{
(void)hashTable->EnumerateEntries(ExpireRecentBookmarksByParentCallback,
reinterpret_cast<void*>(&aParentId));
}
} // Anonymous namespace.
@ -210,8 +145,6 @@ nsNavBookmarks::nsNavBookmarks()
, mBatching(false)
, mBookmarkToKeywordHash(BOOKMARKS_TO_KEYWORDS_INITIAL_CACHE_LENGTH)
, mBookmarkToKeywordHashInitialized(false)
, mRecentBookmarksCache(RECENT_BOOKMARKS_INITIAL_CACHE_LENGTH)
, mUncachableBookmarks(RECENT_BOOKMARKS_INITIAL_CACHE_LENGTH)
{
NS_ASSERTION(!gBookmarksService,
"Attempting to create two instances of the service!");
@ -245,7 +178,6 @@ nsNavBookmarks::Init()
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (os) {
(void)os->AddObserver(this, TOPIC_PLACES_MAINTENANCE, true);
(void)os->AddObserver(this, TOPIC_PLACES_SHUTDOWN, true);
(void)os->AddObserver(this, TOPIC_PLACES_CONNECTION_CLOSED, true);
}
@ -346,10 +278,6 @@ nsNavBookmarks::AdjustIndices(int64_t aFolderId,
NS_ASSERTION(aStartIndex >= 0 && aEndIndex <= INT32_MAX &&
aStartIndex <= aEndIndex, "Bad indices");
// Expire all cached items for this parent, since all positions are going to
// change.
ExpireRecentBookmarksByParent(&mRecentBookmarksCache, aFolderId);
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(
"UPDATE moz_bookmarks SET position = position + :delta "
"WHERE parent = :parent "
@ -552,8 +480,6 @@ nsNavBookmarks::InsertBookmarkInDB(int64_t aPlaceId,
bookmark.parentGuid = aParentGuid;
bookmark.grandParentId = aGrandParentId;
ADD_TO_BOOKMARK_CACHE(*_itemId, bookmark);
return NS_OK;
}
@ -684,8 +610,6 @@ nsNavBookmarks::RemoveItem(int64_t aItemId)
NS_ENSURE_SUCCESS(rv, rv);
}
BEGIN_CRITICAL_BOOKMARK_CACHE_SECTION(bookmark.id);
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(
"DELETE FROM moz_bookmarks WHERE id = :item_id"
);
@ -712,8 +636,6 @@ nsNavBookmarks::RemoveItem(int64_t aItemId)
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
END_CRITICAL_BOOKMARK_CACHE_SECTION(bookmark.id);
nsCOMPtr<nsIURI> uri;
if (bookmark.type == TYPE_BOOKMARK) {
// If not a tag, recalculate frecency for this entry, since it changed.
@ -1154,8 +1076,6 @@ nsNavBookmarks::RemoveFolderChildren(int64_t aFolderId)
foldersToRemove.Append(',');
foldersToRemove.AppendInt(child.id);
}
BEGIN_CRITICAL_BOOKMARK_CACHE_SECTION(child.id);
}
// Delete items from the database now.
@ -1202,7 +1122,6 @@ nsNavBookmarks::RemoveFolderChildren(int64_t aFolderId)
rv = UpdateKeywordsHashForRemovedBookmark(child.id);
NS_ENSURE_SUCCESS(rv, rv);
}
END_CRITICAL_BOOKMARK_CACHE_SECTION(child.id);
}
rv = transaction.Commit();
@ -1351,8 +1270,6 @@ nsNavBookmarks::MoveItem(int64_t aItemId, int64_t aNewParent, int32_t aIndex)
NS_ENSURE_SUCCESS(rv, rv);
}
BEGIN_CRITICAL_BOOKMARK_CACHE_SECTION(bookmark.id);
{
// Update parent and position.
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(
@ -1381,8 +1298,6 @@ nsNavBookmarks::MoveItem(int64_t aItemId, int64_t aNewParent, int32_t aIndex)
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
END_CRITICAL_BOOKMARK_CACHE_SECTION(bookmark.id);
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavBookmarkObserver,
OnItemMoved(bookmark.id,
@ -1401,14 +1316,6 @@ nsresult
nsNavBookmarks::FetchItemInfo(int64_t aItemId,
BookmarkData& _bookmark)
{
// Check if the requested id is in the recent cache and avoid the database
// lookup if so. Invalidate the cache after getting data if requested.
BookmarkKeyClass* key = mRecentBookmarksCache.GetEntry(aItemId);
if (key) {
_bookmark = key->bookmark;
return NS_OK;
}
// LEFT JOIN since not all bookmarks have an associated place.
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(
"SELECT b.id, h.url, b.title, b.position, b.fk, b.parent, b.type, "
@ -1471,8 +1378,6 @@ nsNavBookmarks::FetchItemInfo(int64_t aItemId,
_bookmark.grandParentId = -1;
}
ADD_TO_BOOKMARK_CACHE(aItemId, _bookmark);
return NS_OK;
}
@ -1507,16 +1412,6 @@ nsNavBookmarks::SetItemDateInternal(enum BookmarkDate aDateType,
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
// Update the cache entry, if needed.
BookmarkKeyClass* key = mRecentBookmarksCache.GetEntry(aItemId);
if (key) {
if (aDateType == DATE_ADDED) {
key->bookmark.dateAdded = aValue;
}
// Set lastModified in both cases.
key->bookmark.lastModified = aValue;
}
// note, we are not notifying the observers
// that the item has changed.
@ -1650,18 +1545,6 @@ nsNavBookmarks::SetItemTitle(int64_t aItemId, const nsACString& aTitle)
rv = statement->Execute();
NS_ENSURE_SUCCESS(rv, rv);
// Update the cache entry, if needed.
BookmarkKeyClass* key = mRecentBookmarksCache.GetEntry(aItemId);
if (key) {
if (title.IsVoid()) {
key->bookmark.title.SetIsVoid(true);
}
else {
key->bookmark.title.Assign(title);
}
key->bookmark.lastModified = bookmark.lastModified;
}
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavBookmarkObserver,
OnItemChanged(bookmark.id,
@ -2109,8 +1992,6 @@ nsNavBookmarks::ChangeBookmarkURI(int64_t aBookmarkId, nsIURI* aNewURI)
if (!newPlaceId)
return NS_ERROR_INVALID_ARG;
BEGIN_CRITICAL_BOOKMARK_CACHE_SECTION(bookmark.id);
nsCOMPtr<mozIStorageStatement> statement = mDB->GetStatement(
"UPDATE moz_bookmarks SET fk = :page_id, lastModified = :date "
"WHERE id = :item_id "
@ -2132,8 +2013,6 @@ nsNavBookmarks::ChangeBookmarkURI(int64_t aBookmarkId, nsIURI* aNewURI)
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
END_CRITICAL_BOOKMARK_CACHE_SECTION(bookmark.id);
rv = history->UpdateFrecency(newPlaceId);
NS_ENSURE_SUCCESS(rv, rv);
@ -2345,8 +2224,6 @@ nsNavBookmarks::SetItemIndex(int64_t aItemId, int32_t aNewIndex)
// Check the parent's guid is the expected one.
MOZ_ASSERT(bookmark.parentGuid == folderGuid);
BEGIN_CRITICAL_BOOKMARK_CACHE_SECTION(bookmark.id);
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(
"UPDATE moz_bookmarks SET position = :item_index WHERE id = :item_id"
);
@ -2361,8 +2238,6 @@ nsNavBookmarks::SetItemIndex(int64_t aItemId, int32_t aNewIndex)
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
END_CRITICAL_BOOKMARK_CACHE_SECTION(bookmark.id);
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavBookmarkObserver,
OnItemMoved(bookmark.id,
@ -2495,12 +2370,6 @@ nsNavBookmarks::SetKeywordForBookmark(int64_t aBookmarkId,
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
// Update the cache entry, if needed.
BookmarkKeyClass* key = mRecentBookmarksCache.GetEntry(aBookmarkId);
if (key) {
key->bookmark.lastModified = bookmark.lastModified;
}
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavBookmarkObserver,
OnItemChanged(bookmark.id,
@ -2758,12 +2627,7 @@ nsNavBookmarks::Observe(nsISupports *aSubject, const char *aTopic,
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
if (strcmp(aTopic, TOPIC_PLACES_MAINTENANCE) == 0) {
// Maintenance can execute direct writes to the database, thus clear all
// the cached bookmarks.
mRecentBookmarksCache.Clear();
}
else if (strcmp(aTopic, TOPIC_PLACES_SHUTDOWN) == 0) {
if (strcmp(aTopic, TOPIC_PLACES_SHUTDOWN) == 0) {
// Stop Observing annotations.
nsAnnotationService* annosvc = nsAnnotationService::GetAnnotationService();
if (annosvc) {

31
toolkit/components/places/nsNavBookmarks.h
View File

@ -61,24 +61,6 @@ namespace places {
typedef void (nsNavBookmarks::*ItemVisitMethod)(const ItemVisitData&);
typedef void (nsNavBookmarks::*ItemChangeMethod)(const ItemChangeData&);
class BookmarkKeyClass : public nsTrimInt64HashKey
{
public:
explicit BookmarkKeyClass(const int64_t* aItemId)
: nsTrimInt64HashKey(aItemId)
, creationTime(PR_Now())
{
}
BookmarkKeyClass(const BookmarkKeyClass& aOther)
: nsTrimInt64HashKey(aOther)
, creationTime(PR_Now())
{
NS_NOTREACHED("Do not call me!");
}
BookmarkData bookmark;
PRTime creationTime;
};
enum BookmarkDate {
DATE_ADDED = 0
, LAST_MODIFIED
@ -124,7 +106,6 @@ public:
}
typedef mozilla::places::BookmarkData BookmarkData;
typedef mozilla::places::BookmarkKeyClass BookmarkKeyClass;
typedef mozilla::places::ItemVisitData ItemVisitData;
typedef mozilla::places::ItemChangeData ItemChangeData;
typedef mozilla::places::BookmarkStatementId BookmarkStatementId;
@ -455,18 +436,6 @@ private:
* Uri to test.
*/
nsresult UpdateKeywordsHashForRemovedBookmark(int64_t aItemId);
/**
* Cache for the last fetched BookmarkData entries.
* This is used to speed up repeated requests to the same item id.
*/
nsTHashtable<BookmarkKeyClass> mRecentBookmarksCache;
/**
* Tracks bookmarks in the cache critical path. Items should not be
* added to the cache till they are removed from this hash.
*/
nsTHashtable<nsTrimInt64HashKey> mUncachableBookmarks;
};
#endif // nsNavBookmarks_h_