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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
mod concurrent_listener;
mod failover_listener;
#[cfg(feature = "h1-server")]
mod parsed_listener;
#[cfg(feature = "h1-server")]
mod tcp_listener;
mod to_listener;
#[cfg(feature = "h1-server")]
mod to_listener_impls;
#[cfg(all(unix, feature = "h1-server"))]
mod unix_listener;
use std::fmt::{Debug, Display};
use async_std::io;
use async_trait::async_trait;
use crate::Server;
pub use concurrent_listener::ConcurrentListener;
pub use failover_listener::FailoverListener;
pub use to_listener::ToListener;
#[cfg(feature = "h1-server")]
pub(crate) use parsed_listener::ParsedListener;
#[cfg(feature = "h1-server")]
pub(crate) use tcp_listener::TcpListener;
#[cfg(all(unix, feature = "h1-server"))]
pub(crate) use unix_listener::UnixListener;
#[async_trait]
pub trait Listener<State>: Debug + Display + Send + Sync + 'static
where
State: Send + Sync + 'static,
{
async fn bind(&mut self, app: Server<State>) -> io::Result<()>;
async fn accept(&mut self) -> io::Result<()>;
fn info(&self) -> Vec<ListenInfo>;
}
#[async_trait]
impl<L, State> Listener<State> for Box<L>
where
L: Listener<State>,
State: Send + Sync + 'static,
{
async fn bind(&mut self, app: Server<State>) -> io::Result<()> {
self.as_mut().bind(app).await
}
async fn accept(&mut self) -> io::Result<()> {
self.as_mut().accept().await
}
fn info(&self) -> Vec<ListenInfo> {
self.as_ref().info()
}
}
#[cfg(feature = "h1-server")]
pub(crate) fn is_transient_error(e: &io::Error) -> bool {
use io::ErrorKind::*;
matches!(
e.kind(),
ConnectionRefused | ConnectionAborted | ConnectionReset
)
}
#[derive(Debug, Clone)]
pub struct ListenInfo {
conn_string: String,
transport: String,
tls: bool,
}
impl ListenInfo {
pub fn new(conn_string: String, transport: String, tls: bool) -> Self {
Self {
conn_string,
transport,
tls,
}
}
pub fn connection(&self) -> &str {
self.conn_string.as_str()
}
pub fn transport(&self) -> &str {
self.transport.as_str()
}
pub fn is_encrypted(&self) -> bool {
self.tls
}
}
impl Display for ListenInfo {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.conn_string)
}
}