INNER CODE UNIT · Rust

wiw_endpoints_with_fallback

CluvexStudio/Aether · aether/src/lib.rs:306

fn wiw_endpoints_with_fallback(lookup: &dyn Fn(&str) -> Option<String>) -> Result<WiwEndpoints> {
    let mut chosen = wiw_endpoints_of(lookup)?;

    if chosen.outer.is_some() {
        return Ok(chosen);
    }

    let forced = lookup("AETHER_WG_PEER").or_else(|| lookup("AETHER_PEER"));
    let Some(forced) = forced else {
        return Ok(chosen);
    };

    let peers = parse_endpoint_list(&forced)?;
    chosen.outer = peers.first().copied();
    if chosen.inner.is_none() {
        chosen.inner = peers.get(1).copied();
    }

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