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/*
* Copyright (C) 2021 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.
*/
#pragma once
#include "FileSystemStorageHandle.h"
#include <WebCore/FileSystemHandleIdentifier.h>
namespace WebKit {
class FileSystemStorageHandle;
class FileSystemStorageHandleRegistry;
class FileSystemStorageManager : public CanMakeWeakPtr<FileSystemStorageManager> {
WTF_MAKE_FAST_ALLOCATED;
public:
using QuotaCheckFunction = Function<void(uint64_t spaceRequested, CompletionHandler<void(bool)>&&)>;
FileSystemStorageManager(String&& path, FileSystemStorageHandleRegistry&, QuotaCheckFunction&&);
~FileSystemStorageManager();
bool isActive() const;
uint64_t allocatedUnusedCapacity() const;
Expected<WebCore::FileSystemHandleIdentifier, FileSystemStorageError> createHandle(IPC::Connection::UniqueID, FileSystemStorageHandle::Type, String&& path, String&& name, bool createIfNecessary);
const String& getPath(WebCore::FileSystemHandleIdentifier);
FileSystemStorageHandle::Type getType(WebCore::FileSystemHandleIdentifier);
void closeHandle(FileSystemStorageHandle&);
void connectionClosed(IPC::Connection::UniqueID);
Expected<WebCore::FileSystemHandleIdentifier, FileSystemStorageError> getDirectory(IPC::Connection::UniqueID);
bool acquireLockForFile(const String& path, WebCore::FileSystemHandleIdentifier);
bool releaseLockForFile(const String& path, WebCore::FileSystemHandleIdentifier);
void requestSpace(uint64_t spaceRequested, CompletionHandler<void(bool)>&&);
private:
void close();
String m_path;
FileSystemStorageHandleRegistry& m_registry;
QuotaCheckFunction m_quotaCheckFunction;
HashMap<IPC::Connection::UniqueID, HashSet<WebCore::FileSystemHandleIdentifier>> m_handlesByConnection;
HashMap<WebCore::FileSystemHandleIdentifier, std::unique_ptr<FileSystemStorageHandle>> m_handles;
HashMap<String, WebCore::FileSystemHandleIdentifier> m_lockMap;
};
} // namespace WebKit
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