async-uninet 0.1.0

Unified types for asynchronous TCP & Unix sockets.
Documentation 
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160

use std::pin::Pin;
use async_std::io;
use async_std::net;
use async_std::prelude::*;
use async_std::task::{Context, Poll};
#[cfg(unix)]
use async_std::os::unix::net as unix;
use crate::SocketAddr;

#[derive(Debug)]
pub enum Stream {
    Inet(net::TcpStream),
    #[cfg(unix)]
    Unix(unix::UnixStream)
}

impl From<net::TcpStream> for Stream {
    fn from(s: net::TcpStream) -> Stream {
        Stream::Inet(s)
    }
}

#[cfg(unix)]
impl From<unix::UnixStream> for Stream {
    fn from(s: unix::UnixStream) -> Stream {
        Stream::Unix(s)
    }
}

impl Stream {
    pub async fn connect(s: &SocketAddr) -> io::Result<Self> {
        match s {
            SocketAddr::Inet(s) => net::TcpStream::connect(s).await.map(Stream::Inet),
            #[cfg(unix)]
            SocketAddr::Unix(s) => unix::UnixStream::connect(s).await.map(Stream::Unix),
        }
    }

    pub fn local_addr(&self) -> io::Result<SocketAddr> {
        match self {
            Stream::Inet(s) => s.local_addr().map(SocketAddr::Inet),
            #[cfg(unix)]
            Stream::Unix(s) => s.local_addr().map(|e| e.into())
        }
    }

    pub fn peer_addr(&self) -> io::Result<SocketAddr> {
        match self {
            Stream::Inet(s) => s.peer_addr().map(SocketAddr::Inet),
            #[cfg(unix)]
            Stream::Unix(s) => s.peer_addr().map(|e| e.into())
        }
    }

    pub fn shutdown(&self, t: net::Shutdown) -> io::Result<()> {
        match self {
            Stream::Inet(s) => s.shutdown(t),
            #[cfg(unix)]
            Stream::Unix(s) => s.shutdown(t)
        }
    }
}

impl io::Read for &Stream {

    fn poll_read(
        self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &mut [u8],
    ) -> Poll<io::Result<usize>> {
        match Pin::into_inner(self) {
            Stream::Inet(s) => {
                (&mut (&*s)).read(buf);
                Pin::new(&mut &*s).poll_read(cx, buf)
            },
            #[cfg(unix)]
            Stream::Unix(s) => {
                (&mut (&*s)).read(buf);
                Pin::new(&mut &*s).poll_read(cx, buf)
            },
        }
    }
}

impl io::Write for &Stream {

    fn poll_write(
        self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &[u8],
    ) -> Poll<io::Result<usize>> {
        match Pin::into_inner(self) {
            Stream::Inet(s) => {
                (&mut (&*s)).write(buf);
                Pin::new(&mut &*s).poll_write(cx, buf)
            },
            #[cfg(unix)]
            Stream::Unix(s) => {
                (&mut (&*s)).write(buf);
                Pin::new(&mut &*s).poll_write(cx, buf)
            },
        }
    }

    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
        match Pin::into_inner(self) {
            Stream::Inet(s) => {
                (&mut (&*s)).flush();
                Pin::new(&mut &*s).poll_flush(cx)
            },
            #[cfg(unix)]
            Stream::Unix(s) => {
                (&mut (&*s)).flush();
                Pin::new(&mut &*s).poll_flush(cx)
            },
        }
    }

    fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
        match Pin::into_inner(self) {
            Stream::Inet(s) => {
                (&mut (&*s)).flush();
                Pin::new(&mut &*s).poll_close(cx)
            },
            #[cfg(unix)]
            Stream::Unix(s) => {
                (&mut (&*s)).flush();
                Pin::new(&mut &*s).poll_close(cx)
            },
        }
    }
}

impl io::Read for Stream {
    fn poll_read(
        self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &mut [u8],
    ) -> Poll<io::Result<usize>> {
        Pin::new(&mut &*self).poll_read(cx, buf)
    }
}

impl io::Write for Stream {
    fn poll_write(
        self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &[u8],
    ) -> Poll<io::Result<usize>> {
        Pin::new(&mut &*self).poll_write(cx, buf)
    }

    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
        Pin::new(&mut &*self).poll_flush(cx)
    }

    fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
        Pin::new(&mut &*self).poll_close(cx)
    }
}