]>
Commit | Line | Data |
---|---|---|
0a29b90c FG |
1 | use std::{ |
2 | sync::{ | |
3 | atomic::{AtomicBool, Ordering}, | |
4 | Arc, | |
5 | }, | |
6 | time::Duration, | |
7 | }; | |
8 | ||
9 | use crate::{ | |
10 | messages::MessageLevel, | |
11 | progress::{Id, Step, StepShared}, | |
12 | Progress, Unit, | |
13 | }; | |
14 | ||
15 | /// A [`Progress`] implementation which displays progress as it happens without the use of a renderer. | |
16 | /// | |
17 | /// Note that this incurs considerable performance cost as each progress calls ends up getting the system time | |
18 | /// to see if progress information should actually be emitted. | |
19 | pub struct Log { | |
20 | name: String, | |
21 | id: Id, | |
22 | max: Option<usize>, | |
23 | unit: Option<Unit>, | |
24 | step: usize, | |
25 | current_level: usize, | |
26 | max_level: usize, | |
27 | trigger: Arc<AtomicBool>, | |
28 | } | |
29 | ||
30 | const EMIT_LOG_EVERY_S: f32 = 0.5; | |
31 | const SEP: &str = "::"; | |
32 | ||
33 | impl Log { | |
34 | /// Create a new instance from `name` while displaying progress information only up to `max_level`. | |
35 | pub fn new(name: impl Into<String>, max_level: Option<usize>) -> Self { | |
36 | let trigger = Arc::new(AtomicBool::new(true)); | |
37 | std::thread::spawn({ | |
38 | let duration = Duration::from_secs_f32(EMIT_LOG_EVERY_S); | |
39 | let trigger = Arc::downgrade(&trigger); | |
40 | move || { | |
41 | while let Some(t) = trigger.upgrade() { | |
42 | t.store(true, Ordering::Relaxed); | |
43 | std::thread::sleep(duration); | |
44 | } | |
45 | } | |
46 | }); | |
47 | Log { | |
48 | name: name.into(), | |
49 | id: crate::progress::UNKNOWN, | |
50 | current_level: 0, | |
51 | max_level: max_level.unwrap_or(usize::MAX), | |
52 | max: None, | |
53 | step: 0, | |
54 | unit: None, | |
55 | trigger, | |
56 | } | |
57 | } | |
58 | } | |
59 | ||
60 | impl Progress for Log { | |
61 | type SubProgress = Log; | |
62 | ||
63 | fn add_child(&mut self, name: impl Into<String>) -> Self::SubProgress { | |
64 | self.add_child_with_id(name, crate::progress::UNKNOWN) | |
65 | } | |
66 | ||
67 | fn add_child_with_id(&mut self, name: impl Into<String>, id: Id) -> Self::SubProgress { | |
68 | Log { | |
69 | name: format!("{}{}{}", self.name, SEP, Into::<String>::into(name)), | |
70 | id, | |
71 | current_level: self.current_level + 1, | |
72 | max_level: self.max_level, | |
73 | step: 0, | |
74 | max: None, | |
75 | unit: None, | |
76 | trigger: Arc::clone(&self.trigger), | |
77 | } | |
78 | } | |
79 | ||
80 | fn init(&mut self, max: Option<usize>, unit: Option<Unit>) { | |
81 | self.max = max; | |
82 | self.unit = unit; | |
83 | } | |
84 | ||
85 | fn set(&mut self, step: usize) { | |
86 | self.step = step; | |
87 | if self.current_level > self.max_level { | |
88 | return; | |
89 | } | |
90 | if self.trigger.swap(false, Ordering::Relaxed) { | |
91 | match (self.max, &self.unit) { | |
92 | (max, Some(unit)) => log::info!("{} → {}", self.name, unit.display(step, max, None)), | |
93 | (Some(max), None) => log::info!("{} → {} / {}", self.name, step, max), | |
94 | (None, None) => log::info!("{} → {}", self.name, step), | |
95 | } | |
96 | } | |
97 | } | |
98 | ||
99 | fn unit(&self) -> Option<Unit> { | |
100 | self.unit.clone() | |
101 | } | |
102 | ||
103 | fn max(&self) -> Option<usize> { | |
104 | self.max | |
105 | } | |
106 | ||
107 | fn set_max(&mut self, max: Option<Step>) -> Option<Step> { | |
108 | let prev = self.max; | |
109 | self.max = max; | |
110 | prev | |
111 | } | |
112 | ||
113 | fn step(&self) -> usize { | |
114 | self.step | |
115 | } | |
116 | ||
117 | fn inc_by(&mut self, step: usize) { | |
118 | self.set(self.step + step) | |
119 | } | |
120 | ||
121 | fn set_name(&mut self, name: impl Into<String>) { | |
122 | let name = name.into(); | |
123 | self.name = self | |
124 | .name | |
125 | .split("::") | |
126 | .next() | |
127 | .map(|parent| format!("{}{}{}", parent.to_owned(), SEP, name)) | |
128 | .unwrap_or(name); | |
129 | } | |
130 | ||
131 | fn name(&self) -> Option<String> { | |
132 | self.name.split(SEP).nth(1).map(ToOwned::to_owned) | |
133 | } | |
134 | ||
135 | fn id(&self) -> Id { | |
136 | self.id | |
137 | } | |
138 | ||
fe692bf9 | 139 | fn message(&self, level: MessageLevel, message: impl Into<String>) { |
0a29b90c FG |
140 | let message: String = message.into(); |
141 | match level { | |
142 | MessageLevel::Info => log::info!("ℹ{} → {}", self.name, message), | |
143 | MessageLevel::Failure => log::error!("𐄂{} → {}", self.name, message), | |
144 | MessageLevel::Success => log::info!("✓{} → {}", self.name, message), | |
145 | } | |
146 | } | |
147 | ||
148 | fn counter(&self) -> Option<StepShared> { | |
149 | None | |
150 | } | |
151 | } |