conduwuit/src/service/resolver/fed.rs
Jason Volk b872f8e593 optimize with SmallString; consolidate related re-exports
Signed-off-by: Jason Volk <jason@zemos.net>
2025-02-16 17:40:21 -05:00

95 lines
2.2 KiB
Rust

use std::{
borrow::Cow,
fmt,
net::{IpAddr, SocketAddr},
};
use conduwuit::{arrayvec::ArrayString, utils::math::Expected};
use serde::{Deserialize, Serialize};
#[derive(Clone, Debug, Deserialize, PartialEq, Eq, Serialize)]
pub enum FedDest {
Literal(SocketAddr),
Named(String, PortString),
}
/// numeric or service-name
pub type PortString = ArrayString<16>;
const DEFAULT_PORT: &str = ":8448";
pub(crate) fn get_ip_with_port(dest_str: &str) -> Option<FedDest> {
if let Ok(dest) = dest_str.parse::<SocketAddr>() {
Some(FedDest::Literal(dest))
} else if let Ok(ip_addr) = dest_str.parse::<IpAddr>() {
Some(FedDest::Literal(SocketAddr::new(ip_addr, 8448)))
} else {
None
}
}
pub(crate) fn add_port_to_hostname(dest: &str) -> FedDest {
let (host, port) = match dest.find(':') {
| None => (dest, DEFAULT_PORT),
| Some(pos) => dest.split_at(pos),
};
FedDest::Named(
host.to_owned(),
PortString::from(port).unwrap_or_else(|_| FedDest::default_port()),
)
}
impl FedDest {
pub(crate) fn https_string(&self) -> String {
match self {
| Self::Literal(addr) => format!("https://{addr}"),
| Self::Named(host, port) => format!("https://{host}{port}"),
}
}
pub(crate) fn uri_string(&self) -> String {
match self {
| Self::Literal(addr) => addr.to_string(),
| Self::Named(host, port) => format!("{host}{port}"),
}
}
#[inline]
pub(crate) fn hostname(&self) -> Cow<'_, str> {
match &self {
| Self::Literal(addr) => addr.ip().to_string().into(),
| Self::Named(host, _) => host.into(),
}
}
#[inline]
#[allow(clippy::string_slice)]
pub(crate) fn port(&self) -> Option<u16> {
match &self {
| Self::Literal(addr) => Some(addr.port()),
| Self::Named(_, port) => port[1..].parse().ok(),
}
}
#[inline]
#[must_use]
pub fn default_port() -> PortString {
PortString::from(DEFAULT_PORT).expect("default port string")
}
#[inline]
#[must_use]
pub fn size(&self) -> usize {
match self {
| Self::Literal(saddr) => size_of_val(saddr),
| Self::Named(host, port) => host.len().expected_add(port.capacity()),
}
}
}
impl fmt::Display for FedDest {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(self.uri_string().as_str())
}
}