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Message

Struct Message 

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pub struct Message { /* private fields */ }

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impl Message

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pub fn new(seq: u32, topic: Bytes, payload: Bytes, compression_type: u8) -> Self

Creates a new message with the given sequence number, topic, and payload. If the payload is empty, the server will interpret this as a subscription toggle for the given topic. The timestamp is set to the current UNIX timestamp in microseconds.

§Panics

Panics if the topic is larger than 65535 bytes.

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pub fn new_sub(topic: Bytes) -> Self

Creates a new subscribe message for the given topic. The topic is prefixed with MSG.SUB..

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pub fn new_unsub(topic: Bytes) -> Self

Creates a new unsubscribe message for the given topic. The topic is prefixed with MSG.UNSUB..

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pub fn seq(&self) -> u32

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pub fn payload_size(&self) -> u32

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pub fn timestamp(&self) -> u64

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pub fn size(&self) -> usize

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pub fn payload(&self) -> &Bytes

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pub fn into_payload(self) -> Bytes

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pub fn into_parts(self) -> (Bytes, Bytes)

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pub fn compression_type(&self) -> u8

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pub fn topic(&self) -> &Bytes

Trait Implementations§

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impl Clone for Message

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fn clone(&self) -> Message

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Message

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

Formats the value using the given formatter. Read more
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impl Encoder<Message> for Codec

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type Error = Error

The type of encoding errors. Read more
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fn encode( &mut self, item: Message, dst: &mut BytesMut, ) -> Result<(), Self::Error>

Encodes a frame into the buffer provided. Read more

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit #126799)
Performs copy-assignment from self to dest. 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> SpanExt<T> for T

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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