BTreeMap

src/main.rs

@@ -7,10 +7,11 @@ use anyhow::{Context, Result};
 use crossbeam::epoch::{pin, Owned};
 use crossbeam_utils::thread;
 use itertools::Itertools;
+use std::collections::BTreeMap;
 use std::net::Shutdown;
 use std::sync::atomic::Ordering;
 use std::time::Duration;
-use std::{collections::HashMap, env, mem::MaybeUninit};
+use std::{env, mem::MaybeUninit};
 
 fn main() -> Result<()> {
     println!("Starting");
@@ -21,14 +22,14 @@ fn main() -> Result<()> {
         .into_iter()
         .sorted_by_key(|r| r.remote_id)
         .map(|c| Router::new(c).map(|router| (router.config.remote_id, router)))
-        .collect::<Result<HashMap<u8, Router>, _>>()?;
+        .collect::<Result<BTreeMap<u8, Router>, _>>()?;
 
     for (_, group) in &routers
         .values()
         .filter(|r| r.config.schema == Schema::UDP && r.config.src_port != 0)
         .chunk_by(|r| r.config.src_port)
     {
-        Router::attach_filter_udp(group.sorted_by_key(|r| r.config.remote_id).collect())?;
+        Router::attach_filter_udp(group.collect())?;
     }
 
     println!("created tuns");