Struct DeviceMetadata 

pub struct DeviceMetadata {
    pub device_id: DeviceId,
    pub status: DeviceStatus,
    pub last_seen: Timestamp,
    pub clock: VectorClock,
    pub metadata: HashMap<String, String>,
}

Device metadata

Fields

device_id: DeviceId

Device identifier

status: DeviceStatus

Current status

last_seen: Timestamp

Last seen timestamp

clock: VectorClock

Vector clock for this device

metadata: HashMap<String, String>

Custom metadata

Implementations

impl DeviceMetadata

pub fn new(device_id: DeviceId) -> Self

Creates new device metadata

Arguments

• device_id - The device identifier

pub fn update_last_seen(&mut self)

Updates the last seen timestamp

pub fn set_status(&mut self, status: DeviceStatus)

Sets device status

pub fn is_online(&self) -> bool

Checks if device is online

pub fn is_stale(&self, timeout_secs: u64) -> bool

Checks if device is stale (hasn’t been seen recently)

Arguments

• timeout_secs - Timeout in seconds

Trait Implementations

impl Clone for DeviceMetadata

fn clone(&self) -> DeviceMetadata

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DeviceMetadata

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for DeviceMetadata

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for DeviceMetadata

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.