From d3ba91d74c8b1fd22ae19a0d6d9618e161ca60e4 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 22 Aug 2021 18:34:35 +0100
Subject: [PATCH] early return deadlines

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 server/suser.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/server/suser.rs b/server/suser.rs
index 3a683a6..b1a6409 100644
--- a/server/suser.rs
+++ b/server/suser.rs
@@ -49,6 +49,11 @@ pub async fn run(global: Arc<Global>,
       .min()
       .unwrap_or(ic.max_batch_down)
       .sat();
+    let earliest_deadline = outstanding
+      .iter()
+      .map(|o| o.oi.deadline)
+      .min();
+
 
     if let Some(req) = {
       let now = Instant::now();
@@ -210,6 +215,14 @@ pub async fn run(global: Arc<Global>,
           },
         }
       }
+
+      () = async {if let Some(deadline) = earliest_deadline {
+        tokio::time::sleep_until(deadline).await;
+      } else {
+        future::pending().await
+      } } =>
+      {
+      }
     }
   }
 }
-- 
2.30.2