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/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "Connection.h"
#include "WebIDBConnectionToClient.h"
#include <WebCore/IDBServer.h>
#include <WebCore/StorageQuotaManager.h>
#include <wtf/CrossThreadTaskHandler.h>
#include <wtf/RefCounter.h>
#include <wtf/WeakHashSet.h>
namespace WebCore {
class StorageQuotaManager;
namespace IDBServer {
class IDBServer;
}
}
namespace WebKit {
class WebIDBServer final : public IPC::Connection::WorkQueueMessageReceiver {
public:
static Ref<WebIDBServer> create(PAL::SessionID, const String& directory, WebCore::IDBServer::IDBServer::StorageQuotaManagerSpaceRequester&&);
void getOrigins(CompletionHandler<void(HashSet<WebCore::SecurityOriginData>&&)>&&);
void closeAndDeleteDatabasesModifiedSince(WallTime, CompletionHandler<void()>&& callback);
void closeAndDeleteDatabasesForOrigins(const Vector<WebCore::SecurityOriginData>&, CompletionHandler<void()>&& callback);
void renameOrigin(const WebCore::SecurityOriginData&, const WebCore::SecurityOriginData&, CompletionHandler<void()>&&);
enum class SuspensionCondition : bool { Always, IfIdle };
bool suspend(SuspensionCondition = SuspensionCondition::Always);
void resume();
void registerTemporaryBlobFilePaths(IPC::Connection&, const Vector<String>&);
// Message handlers.
void openDatabase(const WebCore::IDBRequestData&);
void deleteDatabase(const WebCore::IDBRequestData&);
void abortTransaction(const WebCore::IDBResourceIdentifier&);
void commitTransaction(const WebCore::IDBResourceIdentifier&, uint64_t pendingRequestCount);
void didFinishHandlingVersionChangeTransaction(uint64_t databaseConnectionIdentifier, const WebCore::IDBResourceIdentifier&);
void createObjectStore(const WebCore::IDBRequestData&, const WebCore::IDBObjectStoreInfo&);
void deleteObjectStore(const WebCore::IDBRequestData&, const String& objectStoreName);
void renameObjectStore(const WebCore::IDBRequestData&, uint64_t objectStoreIdentifier, const String& newName);
void clearObjectStore(const WebCore::IDBRequestData&, uint64_t objectStoreIdentifier);
void createIndex(const WebCore::IDBRequestData&, const WebCore::IDBIndexInfo&);
void deleteIndex(const WebCore::IDBRequestData&, uint64_t objectStoreIdentifier, const String& indexName);
void renameIndex(const WebCore::IDBRequestData&, uint64_t objectStoreIdentifier, uint64_t indexIdentifier, const String& newName);
void putOrAdd(IPC::Connection&, const WebCore::IDBRequestData&, const WebCore::IDBKeyData&, const WebCore::IDBValue&, WebCore::IndexedDB::ObjectStoreOverwriteMode);
void getRecord(const WebCore::IDBRequestData&, const WebCore::IDBGetRecordData&);
void getAllRecords(const WebCore::IDBRequestData&, const WebCore::IDBGetAllRecordsData&);
void getCount(const WebCore::IDBRequestData&, const WebCore::IDBKeyRangeData&);
void deleteRecord(const WebCore::IDBRequestData&, const WebCore::IDBKeyRangeData&);
void openCursor(const WebCore::IDBRequestData&, const WebCore::IDBCursorInfo&);
void iterateCursor(const WebCore::IDBRequestData&, const WebCore::IDBIterateCursorData&);
void establishTransaction(uint64_t databaseConnectionIdentifier, const WebCore::IDBTransactionInfo&);
void databaseConnectionPendingClose(uint64_t databaseConnectionIdentifier);
void databaseConnectionClosed(uint64_t databaseConnectionIdentifier);
void abortOpenAndUpgradeNeeded(uint64_t databaseConnectionIdentifier, const WebCore::IDBResourceIdentifier& transactionIdentifier);
void didFireVersionChangeEvent(uint64_t databaseConnectionIdentifier, const WebCore::IDBResourceIdentifier& requestIdentifier, const WebCore::IndexedDB::ConnectionClosedOnBehalfOfServer);
void openDBRequestCancelled(const WebCore::IDBRequestData&);
void getAllDatabaseNamesAndVersions(IPC::Connection&, const WebCore::IDBResourceIdentifier&, const WebCore::ClientOrigin&);
void addConnection(IPC::Connection&, WebCore::ProcessIdentifier);
void removeConnection(IPC::Connection&);
void didReceiveMessage(IPC::Connection&, IPC::Decoder&);
void close(CompletionHandler<void()>&& = { });
private:
WebIDBServer(PAL::SessionID, const String& directory, WebCore::IDBServer::IDBServer::StorageQuotaManagerSpaceRequester&&);
~WebIDBServer();
void postTask(WTF::Function<void()>&&);
void postTaskReply(Function<void()>&&);
Ref<WorkQueue> m_queue;
Lock m_serverLock;
std::unique_ptr<WebCore::IDBServer::IDBServer> m_server WTF_GUARDED_BY_LOCK(m_serverLock);
bool m_isSuspended { false };
HashMap<IPC::Connection::UniqueID, HashSet<String>> m_temporaryBlobPathsPerConnection; // Only used on the work queue.
HashMap<IPC::Connection::UniqueID, std::unique_ptr<WebIDBConnectionToClient>> m_connectionMap;
WeakHashSet<IPC::Connection> m_connections; // Only used on the main thread.
};
} // namespace WebKit
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