dope_core/io/socket/
mod.rs

1pub mod addr;
2pub mod msg;
3pub mod option;
4
5use core::mem::MaybeUninit;
6use libc::AF_INET;
7use libc::AF_INET6;
8use libc::SOCK_DGRAM;
9use libc::SOCK_STREAM;
10use libc::c_int;
11use libc::sockaddr_in;
12use libc::sockaddr_in6;
13use libc::sockaddr_storage;
14use libc::sockaddr_un;
15use std::net::SocketAddr;
16
17#[derive(Clone, Copy, Debug)]
18pub struct ListenerConfig {
19    pub reuse_addr: bool,
20    pub reuse_port: bool,
21    pub fast_open_backlog: Option<c_int>,
22    pub defer_accept_secs: Option<c_int>,
23}
24
25impl Default for ListenerConfig {
26    fn default() -> Self {
27        Self {
28            reuse_addr: true,
29            reuse_port: false,
30            fast_open_backlog: None,
31            defer_accept_secs: None,
32        }
33    }
34}
35
36impl ListenerConfig {
37    pub fn for_datagram(addr: &SocketAddr) -> Self {
38        let reuse = addr.port() != 0;
39        Self {
40            reuse_addr: reuse,
41            reuse_port: reuse,
42            ..Self::default()
43        }
44    }
45}
46
47#[derive(Clone, Copy, Debug, PartialEq, Eq)]
48pub enum Domain {
49    Inet4,
50    Inet6,
51}
52
53impl Domain {
54    pub fn for_addr(addr: &SocketAddr) -> Self {
55        match addr {
56            SocketAddr::V4(_) => Self::Inet4,
57            SocketAddr::V6(_) => Self::Inet6,
58        }
59    }
60
61    pub const fn raw(self) -> c_int {
62        match self {
63            Self::Inet4 => AF_INET,
64            Self::Inet6 => AF_INET6,
65        }
66    }
67}
68
69#[derive(Clone, Copy, Debug, PartialEq, Eq)]
70pub enum Kind {
71    Stream,
72    Dgram,
73}
74
75impl Kind {
76    pub const fn raw(self) -> c_int {
77        match self {
78            Self::Stream => SOCK_STREAM,
79            Self::Dgram => SOCK_DGRAM,
80        }
81    }
82}
83
84/// # Safety
85/// Implementors must be valid when every byte is zero.
86pub(crate) unsafe trait Pod: Sized {
87    fn zeroed() -> Self {
88        unsafe { MaybeUninit::<Self>::zeroed().assume_init() }
89    }
90}
91
92unsafe impl Pod for sockaddr_in {}
93unsafe impl Pod for sockaddr_in6 {}
94unsafe impl Pod for sockaddr_un {}
95unsafe impl Pod for sockaddr_storage {}
dope_core/io/socket/mod.rs

dope_core/io/socket/
mod.rs
