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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_HOST_CHROMEOS_FILE_SESSION_STORAGE_H_
#define REMOTING_HOST_CHROMEOS_FILE_SESSION_STORAGE_H_
#include "base/files/file_path.h"
#include "base/functional/callback_forward.h"
#include "base/values.h"
#include "remoting/host/chromeos/session_storage.h"
namespace remoting {
// Utilities to store CRD session information on the filesystem,
// which allows us to resume the session after a Chrome restart.
// At the time of writing the information is stored in `/run/crd`, which is
// automatically cleared when the ChromeOS device reboots.
class FileSessionStorage : public SessionStorage {
public:
FileSessionStorage();
explicit FileSessionStorage(const base::FilePath& storage_directory);
FileSessionStorage(const FileSessionStorage&) = default;
FileSessionStorage& operator=(const FileSessionStorage&) = default;
FileSessionStorage(FileSessionStorage&&) = default;
FileSessionStorage& operator=(FileSessionStorage&&) = default;
~FileSessionStorage() override = default;
// `SessionStorage` implementation:
void StoreSession(const base::Value::Dict& information,
base::OnceClosure on_done) override;
void DeleteSession(base::OnceClosure on_done) override;
void RetrieveSession(
base::OnceCallback<void(std::optional<base::Value::Dict>)> on_done)
override;
void HasSession(base::OnceCallback<void(bool)> on_done) const override;
void SetStorageDirectoryForTesting(const base::FilePath& dir);
private:
base::FilePath session_file() const;
base::FilePath storage_directory_;
};
} // namespace remoting
#endif // REMOTING_HOST_CHROMEOS_FILE_SESSION_STORAGE_H_
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