/// The pid of the device associated to this device

pid_t pid;

/// The exit status of the device, if not running.

/// Notice that -1 means that no exit status was set,

/// since the actual values which will be seen by the parent

/// are guaranteed to be between 0 and 255.

int exitStatus = -1;

/// The position inside the history circular buffer of this device

size_t historyPos;

/// The size of the history circular buffer

size_t historySize;

/// The maximum log level ever seen by this device

LogParsingHelpers::LogLevel maxLogLevel;

/// The minimum log level for log messages sent/displayed by this device

LogParsingHelpers::LogLevel logLevel{LogParsingHelpers::LogLevel::Info};

/// The minimum level after which the device will exit with 0

LogParsingHelpers::LogLevel minFailureLevel;

/// A circular buffer for the history of logs entries received

/// by this device

std::vector<std::string> history;

/// A circular buffer for the severity of each of the entries

/// in the circular buffer associated to the device.

std::vector<LogParsingHelpers::LogLevel> historyLevel;

std::string firstSevereError;

std::string lastError;

/// An unterminated string which is not ready to be printed yet

std::string unprinted;

/// Total number of log lines ever stored in history (monotonically increasing).

/// Used by status clients to track which lines they have already sent.

size_t logSeq = 0;

/// Whether the device is active (running) or not.

bool active;

/// Whether the device is ready to quit.

bool readyToQuit = false;

/// The current state of the device, as reported by it

StreamingState streamingState = StreamingState::Streaming;

/// The current state of the device, as reported by it

/// Use fair::mq::GetState() to have the enum value.

/// @return a string from one of fair::mq::GetStateName

std::string deviceState;

/// Index for the metrics to be displayed associated to

/// each input channel of the device.

Metric2DViewIndex inputChannelMetricsViewIndex;

/// Index for the metrics to be displayed associated to

/// each input channel of the device.

Metric2DViewIndex outputChannelMetricsViewIndex;

/// Current configuration for the device

boost::property_tree::ptree currentConfig;

/// Current provenance for the configuration keys

boost::property_tree::ptree currentProvenance;

/// Timestamp of the last signal received

size_t lastSignal;

/// An incremental number for the state of the device

int providedState = 0;