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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::metrics::DistributionData; use crate::ErrorType; /// A description for the /// [`MemoryDistributionMetric`](crate::metrics::MemoryDistributionMetric) type. /// /// When changing this trait, make sure all the operations are /// implemented in the related type in `../metrics/`. pub trait MemoryDistribution { /// Accumulates the provided sample in the metric. /// /// # Arguments /// /// * `sample` - The sample to be recorded by the metric. The sample is assumed to be in the /// configured memory unit of the metric. /// /// ## Notes /// /// Values bigger than 1 Terabyte (2<sup>40</sup> bytes) are truncated /// and an `ErrorType::InvalidValue` error is recorded. fn accumulate(&self, sample: u64); /// **Exported for test purposes.** /// /// Gets the currently stored value as a DistributionData of the serialized value. /// /// 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<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; }