mqtt_typed_client

Struct MqttTopicSubscriber

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pub struct MqttTopicSubscriber<MessageType, PayloadType, SerializerType> { /* private fields */ }
Expand description

Structured MQTT subscriber with automatic topic parameter extraction.

Created via #[mqtt_topic] macro. Converts raw MQTT messages into structured types.

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impl<MessageType, PayloadType, SerializerType> MqttTopicSubscriber<MessageType, PayloadType, SerializerType>
where MessageType: FromMqttMessage<PayloadType, <SerializerType as MessageSerializer<PayloadType>>::DeserializeError>, PayloadType: Send + Sync + 'static, SerializerType: Default + Clone + Send + Sync + MessageSerializer<PayloadType>,

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pub fn new( inner: MqttSubscriber<PayloadType, SerializerType>, ) -> MqttTopicSubscriber<MessageType, PayloadType, SerializerType>

Creates a structured subscriber from a typed MQTT subscriber.

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pub async fn receive( &mut self, ) -> Option<Result<MessageType, MessageConversionError<<SerializerType as MessageSerializer<PayloadType>>::DeserializeError>>>

Receives and converts the next MQTT message into structured type.

Auto Trait Implementations§

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impl<MessageType, PayloadType, SerializerType> Freeze for MqttTopicSubscriber<MessageType, PayloadType, SerializerType>
where SerializerType: Freeze,

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impl<MessageType, PayloadType, SerializerType> RefUnwindSafe for MqttTopicSubscriber<MessageType, PayloadType, SerializerType>
where SerializerType: RefUnwindSafe, MessageType: RefUnwindSafe, PayloadType: RefUnwindSafe,

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impl<MessageType, PayloadType, SerializerType> Send for MqttTopicSubscriber<MessageType, PayloadType, SerializerType>
where SerializerType: Send, MessageType: Send, PayloadType: Send,

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impl<MessageType, PayloadType, SerializerType> Sync for MqttTopicSubscriber<MessageType, PayloadType, SerializerType>
where SerializerType: Sync, MessageType: Sync, PayloadType: Sync,

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impl<MessageType, PayloadType, SerializerType> Unpin for MqttTopicSubscriber<MessageType, PayloadType, SerializerType>
where SerializerType: Unpin, MessageType: Unpin, PayloadType: Unpin,

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impl<MessageType, PayloadType, SerializerType> UnwindSafe for MqttTopicSubscriber<MessageType, PayloadType, SerializerType>
where SerializerType: UnwindSafe, MessageType: UnwindSafe, PayloadType: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,