src/developer/forensics/last_reboot/reboot_reason.h

// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SRC_DEVELOPER_FORENSICS_LAST_REBOOT_REBOOT_REASON_H_
#define SRC_DEVELOPER_FORENSICS_LAST_REBOOT_REBOOT_REASON_H_

#include <fuchsia/feedback/cpp/fidl.h>

#include <optional>
#include <string>

#include "src/developer/forensics/utils/cobalt/metrics.h"

namespace forensics {
namespace last_reboot {

// Feedback's internal representation of why a device rebooted.
//
// These values should not be used to understand why a device has rebooted outside of this
// component.
enum class RebootReason {
  // We could not make a reboot reason out of the reboot log.
  kNotParseable,
  kGenericGraceful,
  kCold,
  // The device spontaneously rebooted, e.g., brief loss of power.
  kSpontaneous,
  kKernelPanic,
  kOOM,
  kHardwareWatchdogTimeout,
  kSoftwareWatchdogTimeout,
  kBrownout,
  kUserRequest,
  kSystemUpdate,
  kHighTemperature,
  kSessionFailure,
  kSystemFailure,
  kFdr,
};

// Whether the reason justifies a crash report.
bool IsCrash(RebootReason reason);

// Whether the reboot is graceful, ungraceful or undetermined.
std::optional<bool> OptionallyGraceful(RebootReason reason);

cobalt::LastRebootReason ToCobaltLastRebootReason(RebootReason reason);
std::string ToCrashSignature(RebootReason reason);
std::string ToCrashProgramName(RebootReason reason);
std::optional<fuchsia::feedback::RebootReason> ToFidlRebootReason(RebootReason reason);

}  // namespace last_reboot
}  // namespace forensics

#endif  // SRC_DEVELOPER_FORENSICS_LAST_REBOOT_REBOOT_REASON_H_