From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 4 Jul 2020 01:18:02 +0000 (+0100)
Subject: updates start at right point
X-Git-Tag: otter-0.2.0~1487
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=9178634b50282da6c9dcd647c9e14b718da53040;p=otter.git

updates start at right point
---

diff --git a/src/sse.rs b/src/sse.rs
index 51a097be..91e827f6 100644
--- a/src/sse.rs
+++ b/src/sse.rs
@@ -181,8 +181,13 @@ pub fn content(iad : InstanceAccessDetails<ClientId>, gen: Generation)
     let player = cl.player;
     let ami = iad.g.clone();
 
-    let _ = gen;
-    let to_send = UpdateId(42); // xxx
+    let log = &ig.updates.get(player).ok_or_else(|| anyhow!("no plaeyr"))?.log;
+
+    let to_send = match log.into_iter().rev()
+      .find(|(_,update)| update.gen < gen) {
+        None => log.end_index(),
+        Some((i,_)) => i,
+      };
     
     UpdateReader { player, client, to_send, ami }
   };