# HG changeset patch
# User Vladimir Homutov <vl@nginx.com>
# Date 1589799275 -10800
# Node ID 5ffb21c5c93d1fe11bb4855262a70cbed81c2a5a
# Parent  2d5db7faa78843c22f5a147e6ec7b94490be6448
Fixed frame retransmissions.

It was possible that retransmit timer was not set after the first
retransmission attempt, due to ngx_quic_retransmit() did not set
wait time properly, and the condition in retransmit handler was incorrect.

diff --git a/src/event/ngx_event_quic.c b/src/event/ngx_event_quic.c
--- a/src/event/ngx_event_quic.c
+++ b/src/event/ngx_event_quic.c
@@ -3196,7 +3196,7 @@ ngx_quic_retransmit_handler(ngx_event_t 
         if (i == 0) {
             wait = nswait;
 
-        } else if (nswait > 0 && nswait < wait) {
+        } else if (nswait > 0 && (wait == 0 || wait > nswait)) {
             wait = nswait;
         }
     }
@@ -3289,6 +3289,8 @@ ngx_quic_retransmit(ngx_connection_t *c,
         /* move frames group to the end of queue */
         ngx_queue_add(&ctx->sent, &range);
 
+        wait = qc->tp.max_ack_delay;
+
     } while (q != ngx_queue_sentinel(&ctx->sent));
 
     *waitp = wait;