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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SYSTEM_DIAGNOSTICS_DIAGNOSTICS_LOG_CONTROLLER_H_
#define ASH_SYSTEM_DIAGNOSTICS_DIAGNOSTICS_LOG_CONTROLLER_H_
#include <memory>
#include <string>
#include "ash/ash_export.h"
#include "ash/login_status.h"
#include "ash/public/cpp/session/session_observer.h"
#include "ash/system/diagnostics/diagnostics_browser_delegate.h"
#include "base/files/file_path.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
namespace ash {
namespace diagnostics {
class KeyboardInputLog;
class NetworkingLog;
class RoutineLog;
class TelemetryLog;
// DiagnosticsLogController manages the lifetime of Diagnostics log writers such
// as the RoutineLog and ensures logs are written to the correct directory path
// for the current user. See go/cros-shared-diagnostics-session-log-dd.
class ASH_EXPORT DiagnosticsLogController : SessionObserver {
public:
DiagnosticsLogController();
DiagnosticsLogController(const DiagnosticsLogController&) = delete;
DiagnosticsLogController& operator=(const DiagnosticsLogController&) = delete;
~DiagnosticsLogController() override;
// DiagnosticsLogController is created and destroyed with
// the ash::Shell. DiagnosticsLogController::Get may be nullptr if accessed
// outside the expected lifetime or when the
// `ash::features::kEnableLogControllerForDiagnosticsApp` is false.
static DiagnosticsLogController* Get();
// Check if DiagnosticsLogController is ready for use.
static bool IsInitialized();
static void Initialize(std::unique_ptr<DiagnosticsBrowserDelegate> delegate);
// GenerateSessionStringOnBlockingPool needs to be run on blocking thread.
// Generates a string of the combined Diagnostics logs.
std::string GenerateSessionStringOnBlockingPool() const;
// GenerateSessionLogOnBlockingPool needs to be run on blocking
// thread. Stores combined log at |save_file_path| and returns
// whether file creation is successful.
bool GenerateSessionLogOnBlockingPool(const base::FilePath& save_file_path);
// Ensures DiagnosticsLogController is configured to match the current
// environment. To be called from DiagnosticsDialog::ShowDialog prior to the
// Diagnostics app being shown.
void ResetAndInitializeLogWriters();
// SessionObserver:
// Ensure DiagnosticsLogController is re-configured to match the current
// environment when LoginStatus changes. See ash/ash_login_status.h for
// description of LoginStatus types.
void OnLoginStatusChanged(LoginStatus login_status) override;
KeyboardInputLog& GetKeyboardInputLog();
NetworkingLog& GetNetworkingLog();
RoutineLog& GetRoutineLog();
TelemetryLog& GetTelemetryLog();
void SetKeyboardInputLogForTesting(
std::unique_ptr<KeyboardInputLog> keyboard_input_log);
void SetNetworkingLogForTesting(std::unique_ptr<NetworkingLog> network_log);
void SetRoutineLogForTesting(std::unique_ptr<RoutineLog> routine_log);
void SetTelemetryLogForTesting(std::unique_ptr<TelemetryLog> telemetry_log);
private:
friend class DiagnosticsLogControllerTest;
// Ensure log_base_path_ set based on current session and ash::LoginStatus.
void ResetLogBasePath();
// Removes directory at |path|.
void RemoveDirectory(const base::FilePath& path);
LoginStatus previous_status_;
std::unique_ptr<DiagnosticsBrowserDelegate> delegate_;
base::FilePath log_base_path_;
std::unique_ptr<KeyboardInputLog> keyboard_input_log_;
std::unique_ptr<NetworkingLog> networking_log_;
std::unique_ptr<RoutineLog> routine_log_;
std::unique_ptr<TelemetryLog> telemetry_log_;
SEQUENCE_CHECKER(sequence_checker_);
// Must be last.
base::WeakPtrFactory<DiagnosticsLogController> weak_ptr_factory_{this};
};
} // namespace diagnostics
} // namespace ash
#endif // ASH_SYSTEM_DIAGNOSTICS_DIAGNOSTICS_LOG_CONTROLLER_H_
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