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// This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this // file, You can obtain one at https://mozilla.org/MPL/2.0/. use crate::ErrorType; /// A description for the /// [`CustomDistributionMetric`](crate::metrics::CustomDistributionMetric) type. /// /// When changing this trait, make sure all the operations are /// implemented in the related type in `../metrics/`. pub trait CustomDistribution { /// Accumulates the provided signed samples in the metric. /// /// This is required so that the platform-specific code can provide us with /// 64 bit signed integers if no `u64` comparable type is available. This /// will take care of filtering and reporting errors for any provided negative /// sample. /// /// # Arguments /// /// - `samples` - The vector holding the samples to be recorded by the metric. /// /// ## Notes /// /// Discards any negative value in `samples` and report an /// [`ErrorType::InvalidValue`](crate::ErrorType::InvalidValue) for each of /// them. fn accumulate_samples_signed(&self, samples: Vec<i64>); /// **Exported for test purposes.** /// /// Gets the currently stored histogram. /// /// This doesn't clear the stored value. /// /// # Arguments /// /// * `ping_name` - represents the optional name of the ping to retrieve the /// metric for. Defaults to the first value in `send_in_pings`. fn test_get_value<'a, S: Into<Option<&'a str>>>( &self, ping_name: S, ) -> Option<crate::metrics::DistributionData>; /// **Exported for test purposes.** /// /// Gets the number of recorded errors for the given error type. /// /// # Arguments /// /// * `error` - The type of error /// * `ping_name` - represents the optional name of the ping to retrieve the /// metric for. Defaults to the first value in `send_in_pings`. /// /// # Returns /// /// The number of errors recorded. fn test_get_num_recorded_errors<'a, S: Into<Option<&'a str>>>( &self, error: ErrorType, ping_name: S, ) -> i32; }