QUIC: resend handshake packets along with initial.

To speed up handshake, resend both initial and handshake packets if there's
at least one unacknowledged initial packet.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/event/ngx_event_quic.c b/src/event/ngx_event_quic.c
index 95f92ed21..ace2de749 100644
--- a/src/event/ngx_event_quic.c
+++ b/src/event/ngx_event_quic.c
@@ -3717,6 +3717,11 @@ ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
 
         if (!ngx_queue_empty(&ctx->sent)) {
             ngx_quic_resend_frames(c, ctx);
+
+            ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake);
+            while (!ngx_queue_empty(&ctx->sent)) {
+                ngx_quic_resend_frames(c, ctx);
+            }
         }
     }