dope_core/io/socket/
mod.rs

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

dope_core/io/socket/
mod.rs
