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
89
90
91
92
use super::{common, Error};
use futures_core::Stream;
use futures_util::stream::FuturesUnordered;
use pin_project::pin_project;
use std::{
future::Future,
pin::Pin,
task::{Context, Poll},
};
use tower_service::Service;
#[pin_project]
#[derive(Debug)]
pub struct CallAllUnordered<Svc, S>
where
Svc: Service<S::Item>,
S: Stream,
{
#[pin]
inner: common::CallAll<Svc, S, FuturesUnordered<Svc::Future>>,
}
impl<Svc, S> CallAllUnordered<Svc, S>
where
Svc: Service<S::Item>,
Svc::Error: Into<Error>,
S: Stream,
{
pub fn new(service: Svc, stream: S) -> CallAllUnordered<Svc, S> {
CallAllUnordered {
inner: common::CallAll::new(service, stream, FuturesUnordered::new()),
}
}
pub fn into_inner(self) -> Svc {
self.inner.into_inner()
}
pub fn take_service(self: Pin<&mut Self>) -> Svc {
self.project().inner.take_service()
}
}
impl<Svc, S> Stream for CallAllUnordered<Svc, S>
where
Svc: Service<S::Item>,
Svc::Error: Into<Error>,
S: Stream,
{
type Item = Result<Svc::Response, Error>;
fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
self.project().inner.poll_next(cx)
}
}
impl<F: Future> common::Drive<F> for FuturesUnordered<F> {
fn is_empty(&self) -> bool {
FuturesUnordered::is_empty(self)
}
fn push(&mut self, future: F) {
FuturesUnordered::push(self, future)
}
fn poll(&mut self, cx: &mut Context<'_>) -> Poll<Option<F::Output>> {
Stream::poll_next(Pin::new(self), cx)
}
}