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Add CachedCloudflareFilter

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Introduce CachedCloudflareFilter that caches Cloudflare IP ranges and
refreshes every 24 hours. If a refresh fails the previously cached
ranges
are retained and a warning is emitted. Wire the cache through main and
updater so Cloudflare fetches reuse the cached result. Update tests and
bump crate version to 2.0.7
This commit is contained in:
Timothy Miller
2026-03-19 19:24:44 -04:00
parent 83dd454c42
commit 9b8aba5e20
4 changed files with 97 additions and 25 deletions
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18
src/main.rs
View File

@@ -116,12 +116,14 @@ async fn main() {
// Start heartbeat
heartbeat.start().await;
let mut cf_cache = cf_ip_filter::CachedCloudflareFilter::new();
if app_config.legacy_mode {
// --- Legacy mode (original cloudflare-ddns behavior) ---
run_legacy_mode(&app_config, &handle, &notifier, &heartbeat, &ppfmt, running).await;
run_legacy_mode(&app_config, &handle, &notifier, &heartbeat, &ppfmt, running, &mut cf_cache).await;
} else {
// --- Env var mode (cf-ddns behavior) ---
run_env_mode(&app_config, &handle, &notifier, &heartbeat, &ppfmt, running).await;
run_env_mode(&app_config, &handle, &notifier, &heartbeat, &ppfmt, running, &mut cf_cache).await;
}
// On shutdown: delete records if configured
@@ -143,6 +145,7 @@ async fn run_legacy_mode(
heartbeat: &Heartbeat,
ppfmt: &PP,
running: Arc<AtomicBool>,
cf_cache: &mut cf_ip_filter::CachedCloudflareFilter,
) {
let legacy = match &config.legacy_config {
Some(l) => l,
@@ -165,7 +168,7 @@ async fn run_legacy_mode(
}
while running.load(Ordering::SeqCst) {
updater::update_once(config, handle, notifier, heartbeat, ppfmt).await;
updater::update_once(config, handle, notifier, heartbeat, cf_cache, ppfmt).await;
for _ in 0..legacy.ttl {
if !running.load(Ordering::SeqCst) {
@@ -175,7 +178,7 @@ async fn run_legacy_mode(
}
}
} else {
updater::update_once(config, handle, notifier, heartbeat, ppfmt).await;
updater::update_once(config, handle, notifier, heartbeat, cf_cache, ppfmt).await;
}
}
@@ -186,11 +189,12 @@ async fn run_env_mode(
heartbeat: &Heartbeat,
ppfmt: &PP,
running: Arc<AtomicBool>,
cf_cache: &mut cf_ip_filter::CachedCloudflareFilter,
) {
match &config.update_cron {
CronSchedule::Once => {
if config.update_on_start {
updater::update_once(config, handle, notifier, heartbeat, ppfmt).await;
updater::update_once(config, handle, notifier, heartbeat, cf_cache, ppfmt).await;
}
}
schedule => {
@@ -206,7 +210,7 @@ async fn run_env_mode(
// Update on start if configured
if config.update_on_start {
updater::update_once(config, handle, notifier, heartbeat, ppfmt).await;
updater::update_once(config, handle, notifier, heartbeat, cf_cache, ppfmt).await;
}
// Main loop
@@ -233,7 +237,7 @@ async fn run_env_mode(
return;
}
updater::update_once(config, handle, notifier, heartbeat, ppfmt).await;
updater::update_once(config, handle, notifier, heartbeat, cf_cache, ppfmt).await;
}
}
}