rust-nex/rnex-core-deprecated/src/nex/common.rs
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2026-07-12 18:21:18 +02:00

103 lines
2.9 KiB
Rust

use rnex_core::prudp::station_url::StationUrl;
use rnex_core::prudp::station_url::UrlOptions::{
Address, NatFiltering, NatMapping, NatType, Port, PrincipalID, RVConnectionID,
};
use rnex_core::prudp::station_url::nat_types::PUBLIC;
use rnex_core::rmc::response::ErrorCode::Core_Exception;
use rnex_core::prudp::socket_addr::PRUDPSockAddr;
use rnex_core::rmc::response::ErrorCode;
use rnex_core::PID;
use crate::prudp::station_url::UrlOptions::ConnectionID;
pub async fn get_station_urls(
station_urls: &[StationUrl],
addr: PRUDPSockAddr,
pid: PID,
cid: u32,
) -> Result<Vec<StationUrl>, ErrorCode> {
let mut public_station: Option<StationUrl> = None;
let mut private_station: Option<StationUrl> = None;
for station in station_urls {
let is_public = station.options.iter().any(|v| {
if let NatType(v) = v
&& *v & PUBLIC != 0
{
return true;
}
false
});
let Some(nat_filtering) = station.options.iter().find_map(|v| match v {
NatFiltering(v) => Some(v),
_ => None,
}) else {
return Err(Core_Exception);
};
let Some(nat_mapping) = station.options.iter().find_map(|v| match v {
NatMapping(v) => Some(v),
_ => None,
}) else {
return Err(Core_Exception);
};
if !is_public || (*nat_filtering == 0 && *nat_mapping == 0) {
private_station = Some(station.clone());
}
if is_public {
public_station = Some(station.clone());
}
}
let Some(mut private_station) = private_station else {
return Err(Core_Exception);
};
let mut public_station = if let Some(public_station) = public_station {
public_station
} else {
let mut public_station = private_station.clone();
public_station.options.retain(|v| {
!matches!(
v,
Address(_) | Port(_) | NatFiltering(_) | NatMapping(_) | NatType(_)
)
});
public_station
.options
.push(Address(addr.regular_socket_addr.ip()));
public_station
.options
.push(Port(addr.regular_socket_addr.port()));
public_station.options.push(NatFiltering(0));
public_station.options.push(NatMapping(0));
public_station.options.push(NatType(3));
public_station
};
let both = [&mut public_station, &mut private_station];
for station in both {
station
.options
.retain(|v| !matches!(v, PrincipalID(_) | RVConnectionID(_)));
station.options.push(PrincipalID(pid));
station.options.push(RVConnectionID(cid));
station.options.push(ConnectionID(cid));
}
Ok(vec![public_station])
}
#[track_caller]
#[cfg(feature = "database-support")]
fn test() {}