Struct Read 

pub struct Read { /* private fields */ }

Builder for a call to the Read service.

See OPC UA Part 4 - Services 5.10.2 for complete description of the service and error responses.

Implementations

impl Read

pub fn new(session: &Session) -> Self

Construct a new call to the Read service.

pub fn new_manual( session_id: u32, timeout: Duration, auth_token: NodeId, request_handle: IntegerId, ) -> Self

Construct a new call to the Read service, setting header parameters manually.

pub fn timestamps_to_return(self, timestamps: TimestampsToReturn) -> Self

Set timestamps to return.

pub fn max_age(self, max_age: f64) -> Self

Set max age.

pub fn nodes_to_read(self, nodes_to_read: Vec<ReadValueId>) -> Self

Set nodes to read, overwriting any that were set previously.

pub fn node(self, node: ReadValueId) -> Self

Add a node to read.

impl Read

pub fn diagnostics(self, bits: DiagnosticBits) -> Self

Set requested diagnostic bits.

pub fn timeout(self, timeout: Duration) -> Self

Set the timeout for this request. Defaults to session timeout.

pub fn audit_entry_id(self, entry: impl Into<UAString>) -> Self

Set the audit entry ID for the request.

pub fn header(&self) -> &RequestHeader

Get the request header.

Trait Implementations

impl Clone for Read

fn clone(&self) -> Read

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Read

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

Formats the value using the given formatter.

impl UARequest for Read

type Out = ReadResponse

Response message type.

async fn send<'b>( self, channel: &'b AsyncSecureChannel, ) -> Result<Self::Out, StatusCode>

where Self: 'b,

Send the message and wait for a response.