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/*
* Copyright (C) 2013 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. AND ITS CONTRIBUTORS ``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 ITS 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.
*/
#ifndef DatabaseProcess_h
#define DatabaseProcess_h
#if ENABLE(DATABASE_PROCESS)
#include "ChildProcess.h"
#include <WebCore/IDBServer.h>
#include <WebCore/UniqueIDBDatabase.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
class CrossThreadTask;
class SessionID;
struct SecurityOriginData;
}
namespace WebKit {
class DatabaseToWebProcessConnection;
struct DatabaseProcessCreationParameters;
class DatabaseProcess : public ChildProcess {
WTF_MAKE_NONCOPYABLE(DatabaseProcess);
friend class NeverDestroyed<DatabaseProcess>;
public:
static DatabaseProcess& singleton();
~DatabaseProcess();
#if ENABLE(INDEXED_DATABASE)
const String& indexedDatabaseDirectory() const { return m_indexedDatabaseDirectory; }
void ensureIndexedDatabaseRelativePathExists(const String&);
String absoluteIndexedDatabasePathFromDatabaseRelativePath(const String&);
WebCore::IDBServer::IDBServer& idbServer();
#endif
WorkQueue& queue() { return m_queue.get(); }
void postDatabaseTask(std::unique_ptr<WebCore::CrossThreadTask>);
DatabaseProcess();
private:
// ChildProcess
virtual void initializeProcess(const ChildProcessInitializationParameters&) override;
virtual void initializeProcessName(const ChildProcessInitializationParameters&) override;
virtual void initializeSandbox(const ChildProcessInitializationParameters&, SandboxInitializationParameters&) override;
virtual void initializeConnection(IPC::Connection*) override;
virtual bool shouldTerminate() override;
// IPC::Connection::Client
virtual void didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) override;
virtual void didClose(IPC::Connection&) override;
virtual void didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference messageReceiverName, IPC::StringReference messageName) override;
virtual IPC::ProcessType localProcessType() override { return IPC::ProcessType::Database; }
virtual IPC::ProcessType remoteProcessType() override { return IPC::ProcessType::UI; }
void didReceiveDatabaseProcessMessage(IPC::Connection&, IPC::MessageDecoder&);
// Message Handlers
void initializeDatabaseProcess(const DatabaseProcessCreationParameters&);
void createDatabaseToWebProcessConnection();
void fetchWebsiteData(WebCore::SessionID, uint64_t websiteDataTypes, uint64_t callbackID);
void deleteWebsiteData(WebCore::SessionID, uint64_t websiteDataTypes, std::chrono::system_clock::time_point modifiedSince, uint64_t callbackID);
void deleteWebsiteDataForOrigins(WebCore::SessionID, uint64_t websiteDataTypes, const Vector<WebCore::SecurityOriginData>& origins, uint64_t callbackID);
#if ENABLE(INDEXED_DATABASE)
Vector<RefPtr<WebCore::SecurityOrigin>> indexedDatabaseOrigins();
void deleteIndexedDatabaseEntriesForOrigins(const Vector<RefPtr<WebCore::SecurityOrigin>>&);
void deleteIndexedDatabaseEntriesModifiedSince(std::chrono::system_clock::time_point modifiedSince);
#endif
// For execution on work queue thread only
void performNextDatabaseTask();
void ensurePathExists(const String&);
Vector<RefPtr<DatabaseToWebProcessConnection>> m_databaseToWebProcessConnections;
Ref<WorkQueue> m_queue;
#if ENABLE(INDEXED_DATABASE)
String m_indexedDatabaseDirectory;
RefPtr<WebCore::IDBServer::IDBServer> m_idbServer;
#endif
Deque<std::unique_ptr<WebCore::CrossThreadTask>> m_databaseTasks;
Lock m_databaseTaskMutex;
};
} // namespace WebKit
#endif // ENABLE(DATABASE_PROCESS)
#endif // DatabaseProcess_h
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