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[cdn] prefer lower latency; rate global 1.4x, same region 1.3x

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mxve
2025-05-31 20:47:06 +02:00
parent 1811c3adc3
commit 8dd7ef2f0b
1 changed files with 13 additions and 13 deletions
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26
src/cdn.rs
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@@ -167,14 +167,12 @@ impl Server {
} }
let distance_km = user_region.distance_to(self.region); let distance_km = user_region.distance_to(self.region);
let region_multiplier = if distance_km == 0.0 { let region_multiplier = if self.region == Region::Global {
1.4
} else if distance_km == 0.0 {
1.3 1.3
} else if user_region == Region::Unknown { } else if user_region == Region::Unknown {
if self.region == Region::Global { 1.0
1.1
} else {
1.0
}
} else if distance_km <= 2000.0 { } else if distance_km <= 2000.0 {
1.25 1.25
} else if distance_km <= 5000.0 { } else if distance_km <= 5000.0 {
@@ -232,13 +230,15 @@ impl Hosts {
return false; return false;
} }
// find best host by rating, fifo if equal // find best host by rating, then by latency
if let Some((idx, _)) = self if let Some((idx, _)) = self.servers.iter().enumerate().max_by_key(|(_, server)| {
.servers (
.iter() server.rating,
.enumerate() server
.max_by_key(|(idx, server)| (server.rating, -(*idx as i32))) .latency
{ .map_or(0, |l| u64::MAX - l.as_millis() as u64),
)
}) {
let server = &self.servers[idx]; let server = &self.servers[idx];
*CURRENT_CDN.lock().unwrap() = Some(Arc::new(*server)); *CURRENT_CDN.lock().unwrap() = Some(Arc::new(*server));
*self.active_index.write().unwrap() = Some(idx); *self.active_index.write().unwrap() = Some(idx);