logo
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

//! addr module
use std::fmt::{self, Display, Formatter};
#[cfg(unix)]
use std::sync::Arc;

/// Network socket address
#[derive(Debug, Clone)]
pub enum SocketAddr {
    /// IPv4 socket address
    IPv4(std::net::SocketAddrV4),
    /// IPv6 socket address
    IPv6(std::net::SocketAddrV6),
    /// Unix socket address
    #[cfg(unix)]
    #[cfg_attr(docsrs, doc(cfg(unix)))]
    Unix(Arc<tokio::net::unix::SocketAddr>),
}
impl From<std::net::SocketAddr> for SocketAddr {
    #[inline]
    fn from(addr: std::net::SocketAddr) -> Self {
        match addr {
            std::net::SocketAddr::V4(val) => SocketAddr::IPv4(val),
            std::net::SocketAddr::V6(val) => SocketAddr::IPv6(val),
        }
    }
}
impl From<std::net::SocketAddrV4> for SocketAddr {
    #[inline]
    fn from(addr: std::net::SocketAddrV4) -> Self {
        SocketAddr::IPv4(addr)
    }
}
impl From<std::net::SocketAddrV6> for SocketAddr {
    #[inline]
    fn from(addr: std::net::SocketAddrV6) -> Self {
        SocketAddr::IPv6(addr)
    }
}

#[cfg(unix)]
impl From<tokio::net::unix::SocketAddr> for SocketAddr {
    #[inline]
    fn from(addr: tokio::net::unix::SocketAddr) -> Self {
        SocketAddr::Unix(addr.into())
    }
}
impl SocketAddr {
    /// Returns is a ipv4 socket address.
    #[inline]
    pub fn is_ipv4(&self) -> bool {
        matches!(*self, SocketAddr::IPv4(_))
    }
    /// Returns is a ipv6 socket address.
    #[inline]
    pub fn is_ipv6(&self) -> bool {
        matches!(*self, SocketAddr::IPv6(_))
    }

    cfg_feature! {
        #![unix]
        /// Returns is a unix socket address.
        #[inline]
        pub fn is_unix(&self) -> bool {
            matches!(*self, SocketAddr::Unix(_))
        }
    }

    /// Returns ipv6 socket address.
    #[inline]
    pub fn as_ipv6(&self) -> Option<&std::net::SocketAddrV6> {
        match self {
            SocketAddr::IPv6(addr) => Some(addr),
            _ => None,
        }
    }
    /// Returns ipv4 socket address.
    #[inline]
    pub fn as_ipv4(&self) -> Option<&std::net::SocketAddrV4> {
        match self {
            SocketAddr::IPv4(addr) => Some(addr),
            _ => None,
        }
    }

    cfg_feature! {
        #![unix]
        /// Returns unix socket address.
        #[inline]
        pub fn as_unix(&self) -> Option<&tokio::net::unix::SocketAddr> {
            match self {
                SocketAddr::Unix(addr) => Some(addr),
                _ => None,
            }
        }
    }
}

impl Display for SocketAddr {
    #[inline]
    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
        match self {
            SocketAddr::IPv4(addr) => write!(f, "socket://{}", addr),
            SocketAddr::IPv6(addr) => write!(f, "socket://{}", addr),
            #[cfg(unix)]
            SocketAddr::Unix(addr) => match addr.as_pathname() {
                Some(path) => write!(f, "unix://{}", path.display()),
                None => f.write_str("unix://unknown"),
            },
        }
    }
}

#[cfg(test)]
mod tests {

    use super::*;

    #[tokio::test]
    async fn test_addr_ipv4() {
        let ipv4: std::net::SocketAddr = "127.0.0.1:8080".parse().unwrap();
        let ipv4: SocketAddr = ipv4.into();
        assert!(ipv4.is_ipv4());
        assert!(!ipv4.is_ipv6());
        #[cfg(target_os = "linux")]
        assert!(!ipv4.is_unix());
        assert_eq!(ipv4.as_ipv4().unwrap().to_string(), "127.0.0.1:8080");
        assert!(ipv4.as_ipv6().is_none());
        #[cfg(target_os = "linux")]
        assert!(ipv4.as_unix().is_none());
    }
    #[tokio::test]
    async fn test_addr_ipv6() {
        let ipv6 = std::net::SocketAddr::new(
            std::net::IpAddr::V6(std::net::Ipv6Addr::new(0, 0, 0, 0, 0, 65535, 0, 1)),
            8080,
        );
        let ipv6: SocketAddr = ipv6.into();
        assert!(!ipv6.is_ipv4());
        assert!(ipv6.is_ipv6());
        #[cfg(target_os = "linux")]
        assert!(!ipv6.is_unix());
        assert!(ipv6.as_ipv4().is_none());
        assert_eq!(ipv6.as_ipv6().unwrap().to_string(), "[::ffff:0.0.0.1]:8080");
        #[cfg(target_os = "linux")]
        assert!(ipv6.as_unix().is_none());
    }
}