From 3f97884c40535026c1f9183470d9b0e48c681aaf Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 1 Aug 2020 01:58:14 +0100
Subject: [PATCH] actually before we block

---
 src/sse.rs | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/sse.rs b/src/sse.rs
index 9273cb36..20325ad7 100644
--- a/src/sse.rs
+++ b/src/sse.rs
@@ -66,13 +66,6 @@ impl Read for UpdateReader {
 
     let cv = pu.get_cv();
 
-    if (||{
-      (*ig).gs.players.get(self.player)?;
-      let client = ig.clients.get_mut(self.client)?;
-      client.lastseen = Instant::now();
-      Some(())
-    })() == None { return Ok(0) }
-
     loop {
       let generated = orig_wanted - buf.len();
       if generated > 0 {
@@ -91,6 +84,13 @@ impl Read for UpdateReader {
       // xxx this endless stream is a leak
       // restart it occasionally
 
+      if (||{
+        (*ig).gs.players.get(self.player)?;
+        let client = ig.clients.get_mut(self.client)?;
+        client.lastseen = Instant::now();
+        Some(())
+      })() == None { return Ok(0) }
+
       ig.c = cv.wait_timeout(ig.c, UPDATE_KEEPALIVE)
         .map_err(|_| em("poison"))?.0;
 
-- 
2.30.2