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| @@ -1,8 +1,21 @@ | ||
| 1 | +/// The severity of a message | |
| 2 | +#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd)] | |
| 3 | +pub enum MessageLevel { | |
| 4 | + /// Rarely sent information related to the progress, not to be confused with the progress itself | |
| 5 | + Info, | |
| 6 | + /// Used to indicate that a task has failed, along with the reason | |
| 7 | + Failure, | |
| 8 | + /// Indicates a task was completed successfully | |
| 9 | + Success, | |
| 10 | +} | |
| 11 | + | |
| 1 | 12 | pub trait Progress { |
| 13 | + type SubProgress: Progress; | |
| 14 | + | |
| 2 | 15 | /// Adds a new child, whose parent is this instance, with the given name. |
| 3 | 16 | /// |
| 4 | 17 | /// This will make the child progress to appear contained in the parent progress. |
| 5 | − fn add_child(&self, name: impl Into<String>) -> Self; | |
| 18 | + fn add_child(&mut self, name: impl Into<String>) -> Self::SubProgress; | |
| 6 | 19 | |
| 7 | 20 | /// Initialize the Item for receiving progress information. |
| 8 | 21 | /// |
| @@ -19,15 +32,100 @@ pub trait Progress { · 10 unmodified lines | ||
| 19 | 32 | /// **Note** that this method can be called multiple times, changing the bounded-ness and unit at will. |
| 20 | 33 | fn init(&mut self, max: Option<u32>, unit: Option<&'static str>); |
| 21 | 34 | |
| 22 | − /// Set the current progress to the given `step`. | |
| 35 | + /// Set the current progress to the given `step`. The cost of this call is negligible, | |
| 36 | + /// making manual throttling *not* necessary. | |
| 23 | 37 | /// |
| 24 | 38 | /// **Note**: that this call has no effect unless `init(…)` was called before. |
| 25 | 39 | fn set(&mut self, step: u32); |
| 26 | 40 | |
| 41 | + /// Create a `message` of the given `level` and store it with the progress tree. | |
| 42 | + /// | |
| 43 | + /// Use this to provide additional,human-readable information about the progress | |
| 44 | + /// made, including indicating success or failure. | |
| 45 | + fn message(&self, level: MessageLevel, message: impl Into<String>); | |
| 46 | + | |
| 27 | 47 | /// Create a message providing additional information about the progress thus far. |
| 28 | − fn info(&self, name: impl Into<String>) -> Self; | |
| 48 | + fn info(&self, message: impl Into<String>) { | |
| 49 | + self.message(MessageLevel::Info, message) | |
| 50 | + } | |
| 29 | 51 | /// Create a message indicating the task is done successfully |
| 30 | − fn done(&self, name: impl Into<String>) -> Self; | |
| 52 | + fn done(&self, message: impl Into<String>) { | |
| 53 | + self.message(MessageLevel::Success, message) | |
| 54 | + } | |
| 31 | 55 | /// Create a message indicating the task failed |
| 32 | − fn fail(&self, name: impl Into<String>) -> Self; | |
| 56 | + fn fail(&self, message: impl Into<String>) { | |
| 57 | + self.message(MessageLevel::Failure, message) | |
| 58 | + } | |
| 59 | +} | |
| 60 | + | |
| 61 | +#[cfg(feature = "progress-log")] | |
| 62 | +mod log { | |
| 63 | + use crate::progress::{MessageLevel, Progress}; | |
| 64 | + use std::time::Duration; | |
| 65 | + | |
| 66 | + pub struct LogProgress { | |
| 67 | + name: String, | |
| 68 | + max: Option<u32>, | |
| 69 | + unit: Option<&'static str>, | |
| 70 | + last_set: Option<std::time::SystemTime>, | |
| 71 | + } | |
| 72 | + | |
| 73 | + const EMIT_LOG_EVERY_S: f32 = 0.5; | |
| 74 | + | |
| 75 | + impl LogProgress { | |
| 76 | + pub fn new(name: impl Into<String>) -> Self { | |
| 77 | + LogProgress { | |
| 78 | + name: name.into(), | |
| 79 | + max: None, | |
| 80 | + unit: None, | |
| 81 | + last_set: None, | |
| 82 | + } | |
| 83 | + } | |
| 84 | + } | |
| 85 | + | |
| 86 | + impl Progress for LogProgress { | |
| 87 | + type SubProgress = LogProgress; | |
| 88 | + | |
| 89 | + fn add_child(&mut self, name: impl Into<String>) -> Self::SubProgress { | |
| 90 | + LogProgress::new(format!("{}::{}", self.name, Into::<String>::into(name))) | |
| 91 | + } | |
| 92 | + | |
| 93 | + fn init(&mut self, max: Option<u32>, unit: Option<&'static str>) { | |
| 94 | + self.max = max; | |
| 95 | + self.unit = unit; | |
| 96 | + } | |
| 97 | + | |
| 98 | + fn set(&mut self, step: u32) { | |
| 99 | + let now = std::time::SystemTime::now(); | |
| 100 | + let last = self.last_set.unwrap_or(now); | |
| 101 | + if now | |
| 102 | + .duration_since(last) | |
| 103 | + .unwrap_or_else(|_| Duration::default()) | |
| 104 | + .as_secs_f32() | |
| 105 | + > EMIT_LOG_EVERY_S | |
| 106 | + { | |
| 107 | + match (self.max, self.unit) { | |
| 108 | + (Some(max), Some(unit)) => { | |
| 109 | + log::info!("{} → {} / {} {}", self.name, step, max, unit) | |
| 110 | + } | |
| 111 | + (None, Some(unit)) => log::info!("{} → {} {}", self.name, step, unit), | |
| 112 | + (Some(max), None) => log::info!("{} → {} / {}", self.name, step, max), | |
| 113 | + (None, None) => log::info!("{} → {}", self.name, step), | |
| 114 | + } | |
| 115 | + } | |
| 116 | + self.last_set = Some(now); | |
| 117 | + } | |
| 118 | + | |
| 119 | + fn message(&self, level: MessageLevel, message: impl Into<String>) { | |
| 120 | + let message: String = message.into(); | |
| 121 | + match level { | |
| 122 | + MessageLevel::Info => log::info!("ℹ{} → {}", self.name, message), | |
| 123 | + MessageLevel::Failure => log::error!("𐄂{} → {}", self.name, message), | |
| 124 | + MessageLevel::Success => log::info!("✓{} → {}", self.name, message), | |
| 125 | + } | |
| 126 | + } | |
| 127 | + } | |
| 33 | 128 | } |
| 129 | + | |
| 130 | +#[cfg(feature = "progress-log")] | |
| 131 | +pub use self::log::LogProgress; | |