Struct TracingContext

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pub struct TracingContext;
Expand description

Logs rebalance lifecycle & commit callbacks via [tracing].

§Arguments

  • c - The consumer
  • r - The rebalance

§Returns

  • () - Always succeeds, logs any errors

§Examples

use ds_event_stream_rs_sdk::consumer::TracingContext;

§Panics

  • () - Always succeeds, logs any errors

§Errors

  • () - Always succeeds, logs any errors

Trait Implementations§

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impl ClientContext for TracingContext

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

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

Receives global errors from the librdkafka client. 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 ConsumerContext for TracingContext

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fn pre_rebalance<'a>( &self, _c: &BaseConsumer<TracingContext>, r: &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, _c: &BaseConsumer<TracingContext>, r: &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, res: KafkaResult<()>, offs: &TopicPartitionList)

Post commit callback. This method will run after a group of offsets was committed to the offset store.
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fn rebalance( &self, base_consumer: &BaseConsumer<Self>, 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 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 events. Read more

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