use regex::bytes::Regex;
use std::net::SocketAddrV4;
use std::sync::LazyLock;
use std::{fmt::Display, str::FromStr};
use crate::RustADBError;
static MDNS_SERVICES_REGEX: LazyLock<Regex> = LazyLock::new(|| {
Regex::new("^(\\S+)\t(\\S+)\t([\\d\\.]+:\\d+)\n?$").expect("Cannot build mdns services regex")
});
#[derive(Debug, Clone)]
pub struct MDNSServices {
pub service_name: String,
pub reg_type: String,
pub socket_v4: SocketAddrV4,
}
impl Display for MDNSServices {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{}\t{}\t{}",
self.service_name, self.reg_type, self.socket_v4
)
}
}
impl TryFrom<&[u8]> for MDNSServices {
type Error = RustADBError;
fn try_from(value: &[u8]) -> Result<Self, Self::Error> {
let groups = MDNS_SERVICES_REGEX
.captures(value)
.ok_or(RustADBError::RegexParsingError)?;
Ok(Self {
service_name: String::from_utf8(
groups
.get(1)
.ok_or(RustADBError::RegexParsingError)?
.as_bytes()
.to_vec(),
)?,
reg_type: String::from_utf8(
groups
.get(2)
.ok_or(RustADBError::RegexParsingError)?
.as_bytes()
.to_vec(),
)?,
socket_v4: SocketAddrV4::from_str(&String::from_utf8(
groups
.get(3)
.ok_or(RustADBError::RegexParsingError)?
.as_bytes()
.to_vec(),
)?)?,
})
}
}