1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
use super::{SendError, Sender};
use async_trait::async_trait;
use log::trace;
use std::{fmt::Debug, marker::PhantomData};
pub struct LifelineSender<T, S> {
inner: S,
log: bool,
_t: PhantomData<T>,
}
impl<T, S> LifelineSender<T, S> {
pub fn new(inner: S) -> Self {
Self {
inner,
log: false,
_t: PhantomData,
}
}
pub fn log(mut self) -> Self {
self.log = true;
self
}
pub fn inner(&self) -> &S {
&self.inner
}
pub fn inner_mut(&mut self) -> &mut S {
&mut self.inner
}
pub fn into_inner(self) -> S {
self.inner
}
}
#[async_trait]
impl<T, S> Sender<T> for LifelineSender<T, S>
where
T: Send + Debug,
S: Send + Sender<T>,
{
async fn send(&mut self, value: T) -> Result<(), SendError<T>> {
let log = if self.log && log::log_enabled!(log::Level::Trace) {
Some(format!("SEND {:?}", &value))
} else {
None
};
let result = self.inner.send(value).await;
if let Some(log) = log {
trace!("{}", log);
}
result
}
}
impl<T, S: Debug> Debug for LifelineSender<T, S> {
fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
fmt.debug_struct("Receiver")
.field("inner", &self.inner)
.finish()
}
}
impl<T, S> Clone for LifelineSender<T, S>
where
S: Clone,
{
fn clone(&self) -> Self {
Self {
inner: self.inner.clone(),
log: self.log,
_t: PhantomData,
}
}
}