Title: [214973] trunk/Source/WebKit2
Revision
214973
Author
[email protected]
Date
2017-04-05 15:38:24 -0700 (Wed, 05 Apr 2017)

Log Message

Refactor so WebsiteDataStores always have a StorageManager.
https://bugs.webkit.org/show_bug.cgi?id=170521

Reviewed by Geoff Garen.

This basically involves teaching StorageManager how to work without a LocalStorageDatabaseTracker,
since there will never be ephemeral bits on disk to track.

* UIProcess/Storage/StorageManager.cpp:
(WebKit::StorageManager::StorageArea::openDatabaseAndImportItemsIfNeeded):
(WebKit::StorageManager::createEphemeral):
(WebKit::StorageManager::StorageManager):
(WebKit::StorageManager::getLocalStorageOrigins):
(WebKit::StorageManager::getLocalStorageOriginDetails):
(WebKit::StorageManager::deleteLocalStorageEntriesForOrigin):
(WebKit::StorageManager::deleteLocalStorageOriginsModifiedSince):
(WebKit::StorageManager::deleteLocalStorageEntriesForOrigins):
* UIProcess/Storage/StorageManager.h:

* UIProcess/WebsiteData/WebsiteDataStore.cpp:
(WebKit::WebsiteDataStore::WebsiteDataStore):

Modified Paths

Diff

Modified: trunk/Source/WebKit2/ChangeLog (214972 => 214973)


--- trunk/Source/WebKit2/ChangeLog	2017-04-05 22:17:50 UTC (rev 214972)
+++ trunk/Source/WebKit2/ChangeLog	2017-04-05 22:38:24 UTC (rev 214973)
@@ -1,3 +1,27 @@
+2017-04-05  Brady Eidson  <[email protected]>
+
+        Refactor so WebsiteDataStores always have a StorageManager.
+        https://bugs.webkit.org/show_bug.cgi?id=170521
+
+        Reviewed by Geoff Garen.
+
+        This basically involves teaching StorageManager how to work without a LocalStorageDatabaseTracker,
+        since there will never be ephemeral bits on disk to track.
+        
+        * UIProcess/Storage/StorageManager.cpp:
+        (WebKit::StorageManager::StorageArea::openDatabaseAndImportItemsIfNeeded):
+        (WebKit::StorageManager::createEphemeral):
+        (WebKit::StorageManager::StorageManager):
+        (WebKit::StorageManager::getLocalStorageOrigins):
+        (WebKit::StorageManager::getLocalStorageOriginDetails):
+        (WebKit::StorageManager::deleteLocalStorageEntriesForOrigin):
+        (WebKit::StorageManager::deleteLocalStorageOriginsModifiedSince):
+        (WebKit::StorageManager::deleteLocalStorageEntriesForOrigins):
+        * UIProcess/Storage/StorageManager.h:
+        
+        * UIProcess/WebsiteData/WebsiteDataStore.cpp:
+        (WebKit::WebsiteDataStore::WebsiteDataStore):
+
 2017-04-05  Brent Fulgham  <[email protected]>
 
         [WK2][iOS] Add entitlements to enable audio/video capture in WebProcess

Modified: trunk/Source/WebKit2/UIProcess/Storage/StorageManager.cpp (214972 => 214973)


--- trunk/Source/WebKit2/UIProcess/Storage/StorageManager.cpp	2017-04-05 22:17:50 UTC (rev 214972)
+++ trunk/Source/WebKit2/UIProcess/Storage/StorageManager.cpp	2017-04-05 22:38:24 UTC (rev 214973)
@@ -281,12 +281,12 @@
 
 void StorageManager::StorageArea::openDatabaseAndImportItemsIfNeeded() const
 {
-    if (!m_localStorageNamespace)
+    if (!m_localStorageNamespace || !m_localStorageNamespace->storageManager()->m_localStorageDatabaseTracker)
         return;
 
     // We open the database here even if we've already imported our items to ensure that the database is open if we need to write to it.
     if (!m_localStorageDatabase)
-        m_localStorageDatabase = LocalStorageDatabase::create(m_localStorageNamespace->storageManager()->m_queue.copyRef(), m_localStorageNamespace->storageManager()->m_localStorageDatabaseTracker.copyRef(), m_securityOrigin);
+        m_localStorageDatabase = LocalStorageDatabase::create(m_localStorageNamespace->storageManager()->m_queue.copyRef(), *m_localStorageNamespace->storageManager()->m_localStorageDatabaseTracker, m_securityOrigin);
 
     if (m_didImportItemsFromDatabase)
         return;
@@ -451,10 +451,17 @@
     return adoptRef(*new StorageManager(localStorageDirectory));
 }
 
+Ref<StorageManager> StorageManager::createEphemeral()
+{
+    return adoptRef(*new StorageManager({ }));
+}
+
 StorageManager::StorageManager(const String& localStorageDirectory)
     : m_queue(WorkQueue::create("com.apple.WebKit.StorageManager"))
-    , m_localStorageDatabaseTracker(LocalStorageDatabaseTracker::create(m_queue.copyRef(), localStorageDirectory))
 {
+    if (!localStorageDirectory.isEmpty())
+        m_localStorageDatabaseTracker = LocalStorageDatabaseTracker::create(m_queue.copyRef(), localStorageDirectory);
+
     // Make sure the encoding is initialized before we start dispatching things to the queue.
     UTF8Encoding();
 }
@@ -580,8 +587,10 @@
     m_queue->dispatch([this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)]() mutable {
         HashSet<SecurityOriginData> origins;
 
-        for (auto& origin : m_localStorageDatabaseTracker->origins())
-            origins.add(origin);
+        if (m_localStorageDatabaseTracker) {
+            for (auto& origin : m_localStorageDatabaseTracker->origins())
+                origins.add(origin);
+        }
 
         for (auto& transientLocalStorageNamespace : m_transientLocalStorageNamespaces.values()) {
             for (auto& origin : transientLocalStorageNamespace->origins())
@@ -597,7 +606,9 @@
 void StorageManager::getLocalStorageOriginDetails(std::function<void (Vector<LocalStorageDatabaseTracker::OriginDetails>)>&& completionHandler)
 {
     m_queue->dispatch([this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)]() mutable {
-        auto originDetails = m_localStorageDatabaseTracker->originDetails();
+        Vector<LocalStorageDatabaseTracker::OriginDetails> originDetails;
+        if (m_localStorageDatabaseTracker)
+            originDetails = m_localStorageDatabaseTracker->originDetails();
 
         RunLoop::main().dispatch([originDetails = WTFMove(originDetails), completionHandler = WTFMove(completionHandler)]() mutable {
             completionHandler(WTFMove(originDetails));
@@ -614,7 +625,8 @@
         for (auto& transientLocalStorageNamespace : m_transientLocalStorageNamespaces.values())
             transientLocalStorageNamespace->clearStorageAreasMatchingOrigin(copiedOrigin);
 
-        m_localStorageDatabaseTracker->deleteDatabaseWithOrigin(copiedOrigin);
+        if (m_localStorageDatabaseTracker)
+            m_localStorageDatabaseTracker->deleteDatabaseWithOrigin(copiedOrigin);
     });
 }
 
@@ -621,7 +633,9 @@
 void StorageManager::deleteLocalStorageOriginsModifiedSince(std::chrono::system_clock::time_point time, std::function<void()>&& completionHandler)
 {
     m_queue->dispatch([this, protectedThis = makeRef(*this), time, completionHandler = WTFMove(completionHandler)]() mutable {
-        auto deletedOrigins = m_localStorageDatabaseTracker->deleteDatabasesModifiedSince(time);
+        Vector<WebCore::SecurityOriginData> deletedOrigins;
+        if (m_localStorageDatabaseTracker)
+            deletedOrigins = m_localStorageDatabaseTracker->deleteDatabasesModifiedSince(time);
 
         for (const auto& origin : deletedOrigins) {
             for (auto& localStorageNamespace : m_localStorageNamespaces.values())
@@ -651,7 +665,8 @@
             for (auto& transientLocalStorageNamespace : m_transientLocalStorageNamespaces.values())
                 transientLocalStorageNamespace->clearStorageAreasMatchingOrigin(origin);
 
-            m_localStorageDatabaseTracker->deleteDatabaseWithOrigin(origin);
+            if (m_localStorageDatabaseTracker)
+                m_localStorageDatabaseTracker->deleteDatabaseWithOrigin(origin);
         }
 
         RunLoop::main().dispatch(WTFMove(completionHandler));

Modified: trunk/Source/WebKit2/UIProcess/Storage/StorageManager.h (214972 => 214973)


--- trunk/Source/WebKit2/UIProcess/Storage/StorageManager.h	2017-04-05 22:17:50 UTC (rev 214972)
+++ trunk/Source/WebKit2/UIProcess/Storage/StorageManager.h	2017-04-05 22:38:24 UTC (rev 214973)
@@ -47,6 +47,7 @@
 class StorageManager : public IPC::Connection::WorkQueueMessageReceiver {
 public:
     static Ref<StorageManager> create(const String& localStorageDirectory);
+    static Ref<StorageManager> createEphemeral();
     ~StorageManager();
 
     void createSessionStorageNamespace(uint64_t storageNamespaceID, unsigned quotaInBytes);
@@ -99,7 +100,7 @@
 
     Ref<WorkQueue> m_queue;
 
-    Ref<LocalStorageDatabaseTracker> m_localStorageDatabaseTracker;
+    RefPtr<LocalStorageDatabaseTracker> m_localStorageDatabaseTracker;
     HashMap<uint64_t, RefPtr<LocalStorageNamespace>> m_localStorageNamespaces;
 
     HashMap<std::pair<uint64_t, WebCore::SecurityOriginData>, RefPtr<TransientLocalStorageNamespace>> m_transientLocalStorageNamespaces;

Modified: trunk/Source/WebKit2/UIProcess/WebsiteData/WebsiteDataStore.cpp (214972 => 214973)


--- trunk/Source/WebKit2/UIProcess/WebsiteData/WebsiteDataStore.cpp	2017-04-05 22:17:50 UTC (rev 214972)
+++ trunk/Source/WebKit2/UIProcess/WebsiteData/WebsiteDataStore.cpp	2017-04-05 22:38:24 UTC (rev 214973)
@@ -91,6 +91,7 @@
     : m_identifier(generateIdentifier())
     , m_sessionID(sessionID)
     , m_configuration()
+    , m_storageManager(StorageManager::createEphemeral())
     , m_queue(WorkQueue::create("com.apple.WebKit.WebsiteDataStore"))
 {
     platformInitialize();
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