pub struct MzClientContext {
    error_tx: Sender<MzKafkaError>,
}
Expand description

A ClientContext implementation that uses tracing instead of log macros.

All code in Materialize that constructs Kafka clients should use this context or a custom context that delegates the log and error methods to this implementation.

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§error_tx: Sender<MzKafkaError>

The last observed error log, if any.

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impl MzClientContext

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pub fn with_errors() -> (Self, Receiver<MzKafkaError>)

Constructs a new client context and returns an mpsc Receiver that can be used to learn about librdkafka errors.

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fn record_error(&self, msg: &str)

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impl ClientContext for MzClientContext

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fn log(&self, level: RDKafkaLogLevel, fac: &str, log_message: &str)

Receives log lines from librdkafka. Read more
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fn error(&self, error: KafkaError, reason: &str)

Receives global errors from the librdkafka client. Read more
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const ENABLE_REFRESH_OAUTH_TOKEN: bool = false

Whether to periodically refresh the SASL OAUTHBEARER token by calling ClientContext::generate_oauth_token. Read more
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fn stats(&self, statistics: Statistics)

Receives the decoded statistics of the librdkafka client. To enable, the statistics.interval.ms configuration parameter must be specified. Read more
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fn stats_raw(&self, statistics: &[u8])

Receives the JSON-encoded statistics of the librdkafka client. To enable, the statistics.interval.ms configuration parameter must be specified. Read more
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fn rewrite_broker_addr(&self, addr: BrokerAddr) -> BrokerAddr

Rewrites a broker address for DNS resolution. Read more
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fn generate_oauth_token( &self, _oauthbearer_config: Option<&str> ) -> Result<OAuthToken, Box<dyn Error>>

Generates an OAuth token from the provided configuration. Read more
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impl Clone for MzClientContext

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fn clone(&self) -> MzClientContext

Returns a copy 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 ConsumerContext for MzClientContext

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fn rebalance( &self, native_client: &NativeClient, err: rd_kafka_resp_err_t, tpl: &mut TopicPartitionList )

Implements the default rebalancing strategy and calls the pre_rebalance and post_rebalance methods. If this method is overridden, it will be responsibility of the user to call them if needed.
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fn pre_rebalance<'a>(&self, rebalance: &Rebalance<'a>)

Pre-rebalance callback. This method will run before the rebalance and should terminate its execution quickly.
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fn post_rebalance<'a>(&self, rebalance: &Rebalance<'a>)

Post-rebalance callback. This method will run after the rebalance and should terminate its execution quickly.
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fn commit_callback( &self, result: Result<(), KafkaError>, offsets: &TopicPartitionList )

Post commit callback. This method will run after a group of offsets was committed to the offset store.
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fn main_queue_min_poll_interval(&self) -> Timeout

Returns the minimum interval at which to poll the main queue, which services the logging, stats, and error callbacks. Read more
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impl Default for MzClientContext

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl ProducerContext for MzClientContext

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type DeliveryOpaque = <DefaultProducerContext as ProducerContext>::DeliveryOpaque

A DeliveryOpaque is a user-defined structure that will be passed to the producer when producing a message, and returned to the delivery method once the message has been delivered, or failed to.
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fn delivery( &self, delivery_result: &DeliveryResult<'_>, delivery_opaque: Self::DeliveryOpaque )

This method will be called once the message has been delivered (or failed to). The DeliveryOpaque will be the one provided by the user when calling send.

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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, U> CastInto<U> for T
where U: CastFrom<T>,

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fn cast_into(self) -> U

Performs the cast.
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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> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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impl<T> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more
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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> IntoRequest<T> for T

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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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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<V, T> VZip<V> for T
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fn vzip(self) -> V

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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