commit b752cb473d3d330bd5627d126c1d1c06fb22b5d1
author lucas <lucas@cloudflare.com> Thu Sep 05 16:43:05 2019 +0100
committer Alessandro Ghedini <alessandro@ghedini.me> Thu Sep 05 19:25:30 2019 +0100
tree 7d1d3e9dfb11b2d091ed2d3a019883319edeeec7
parent 8c7635b4c8831281506d1f87bf2efd4f891f52bf

h3: only send GREASE frames once per connection

src/h3/mod.rs

diff --git a/src/h3/mod.rs b/src/h3/mod.rs
index 329a86e..975d36b 100644
--- a/src/h3/mod.rs
+++ b/src/h3/mod.rs
@@ -523,6 +523,8 @@
     max_push_id: u64,
 
     finished_streams: VecDeque<u64>,
+
+    frames_greased: bool,
 }
 
 impl Connection {
@@ -570,6 +572,8 @@
             max_push_id: 0,
 
             finished_streams: VecDeque::new(),
+
+            frames_greased: false,
         })
     }
 
@@ -651,8 +655,9 @@
 
         let header_block = self.encode_header_block(headers)?;
 
-        if conn.grease {
+        if !self.frames_greased && conn.grease {
             self.send_grease_frames(conn, stream_id)?;
+            self.frames_greased = true;
         }
 
         trace!(