random mirror selection

Cargo.lock

@@ -1002,6 +1002,7 @@ dependencies = [
  "actix-web",
  "env_logger",
  "log",
+ "rand",
  "regex",
  "reqwest",
  "serde",

Cargo.toml

@@ -8,6 +8,7 @@ actix-files = "0.6.5"
 actix-web = "4.5.1"
 env_logger = "0.11.3"
 log = "0.4.21"
+rand = "0.8.5"
 regex = "1.10.4"
 reqwest = "0.12.3"
 serde = { version = "1.0.197", features = ["derive"] }

src/proxy.rs

@@ -1,9 +1,12 @@
-use std::path::{Path, PathBuf};
-
 use actix_web::{HttpRequest, HttpResponse};
+use rand::prelude::*;
+use std::{
+    path::{Path, PathBuf},
+    sync::Arc,
+};
 
 pub struct ProxyMirror {
-    mirrors: Vec<String>,
+    mirrors: Vec<Arc<String>>,
     data_dir: String,
     no_cache: regex::Regex,
 }
@@ -11,7 +14,7 @@ pub struct ProxyMirror {
 impl ProxyMirror {
     pub fn new(mirrors: Vec<String>, data_dir: &str, no_cache: &str) -> Self {
         Self {
-            mirrors,
+            mirrors: mirrors.into_iter().map(|x| Arc::new(x)).collect(),
             data_dir: data_dir.to_string(),
             no_cache: regex::Regex::new(no_cache).unwrap(),
         }
@@ -59,8 +62,11 @@ impl ProxyMirror {
             }
         }
 
-        for mirror in &self.mirrors {
+        let mut mirrors = self.mirrors.clone();
+        mirrors.shuffle(&mut rand::thread_rng());
+
         log::info!("Fetching {path} from mirrors");
+        for mirror in mirrors {
             let url = format!("{mirror}{path}");
             let res = self.get_url(&url, &p).await;
             if let Some(res) = res {