From c876bb001f999e288410201b2306e8c3f3261836 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Sun, 8 Jun 2025 13:02:49 +0200
Subject: optional stdev in delay module + fmt

---
 src/modules/delay.rs     | 7 ++++---
 src/modules/headers.rs   | 8 ++------
 src/modules/mod.rs       | 2 +-
 src/modules/semaphore.rs | 6 +-----
 4 files changed, 8 insertions(+), 15 deletions(-)

diff --git a/src/modules/delay.rs b/src/modules/delay.rs
index 5b5ce06..31036fe 100644
--- a/src/modules/delay.rs
+++ b/src/modules/delay.rs
@@ -17,7 +17,7 @@ pub struct DelayKind;
 #[derive(Deserialize)]
 struct Delay {
     duration: u64,
-    stdev: u64,
+    stdev: Option<u64>,
     next: DynNode,
 }
 
@@ -36,11 +36,12 @@ impl Node for Delay {
         request: NodeRequest,
     ) -> Pin<Box<dyn Future<Output = Result<NodeResponse, ServiceError>> + Send + Sync + 'a>> {
         Box::pin(async move {
-            sleep(Duration::from_millis(if self.stdev == 0 {
+            let stdev = self.stdev.unwrap_or_default();
+            sleep(Duration::from_millis(if stdev == 0 {
                 self.duration
             } else {
                 self.duration.saturating_add_signed(
-                    rand_distr::Normal::new(0., self.stdev as f32)
+                    rand_distr::Normal::new(0., stdev as f32)
                         .unwrap()
                         .sample(&mut rand::rng()) as i64,
                 )
diff --git a/src/modules/headers.rs b/src/modules/headers.rs
index 3d0a238..f5b081f 100644
--- a/src/modules/headers.rs
+++ b/src/modules/headers.rs
@@ -41,13 +41,9 @@ impl Node for Headers {
         mut request: NodeRequest,
     ) -> Pin<Box<dyn Future<Output = Result<NodeResponse, ServiceError>> + Send + Sync + 'a>> {
         Box::pin(async move {
-            request
-                .headers_mut()
-                .extend(self.request.0.clone());
+            request.headers_mut().extend(self.request.0.clone());
             let mut response = self.next.handle(context, request).await?;
-            response
-                .headers_mut()
-                .extend(self.response.0.clone());
+            response.headers_mut().extend(self.response.0.clone());
             Ok(response)
         })
     }
diff --git a/src/modules/mod.rs b/src/modules/mod.rs
index 71f60c9..b267a04 100644
--- a/src/modules/mod.rs
+++ b/src/modules/mod.rs
@@ -32,9 +32,9 @@ mod paths;
 mod proxy;
 mod ratelimit;
 mod redirect;
+mod semaphore;
 mod switch;
 mod upgrade_insecure;
-mod semaphore;
 
 pub type NodeRequest = Request<BoxBody<Bytes, ServiceError>>;
 pub type NodeResponse = Response<BoxBody<Bytes, ServiceError>>;
diff --git a/src/modules/semaphore.rs b/src/modules/semaphore.rs
index b4f50b2..7aa8283 100644
--- a/src/modules/semaphore.rs
+++ b/src/modules/semaphore.rs
@@ -8,11 +8,7 @@ use crate::{config::DynNode, error::ServiceError};
 use anyhow::Result;
 use serde::Deserialize;
 use serde_yml::Value;
-use std::{
-    future::Future,
-    pin::Pin,
-    sync::Arc,
-};
+use std::{future::Future, pin::Pin, sync::Arc};
 use tokio::sync::Semaphore;
 
 pub struct SemaphoreKind;
-- 
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