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diff src/event/quic/ngx_event_quic_connection.h @ 8822:ad046179eb91 quic

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QUIC: handle EAGAIN properly on UDP sockets. Previously, the error was ignored leading to unnecessary retransmits. Now, unsent frames are returned into output queue, state is reset, and timer is started for the next send attempt.
author Vladimir Homutov <vl@nginx.com>
date Wed, 28 Jul 2021 17:23:18 +0300
parents 4715f3e669f1
children fe919fd63b0b
line wrap: on
line diff
--- a/src/event/quic/ngx_event_quic_connection.h
+++ b/src/event/quic/ngx_event_quic_connection.h
@@ -161,8 +161,9 @@ struct ngx_quic_send_ctx_s {
     uint64_t                          largest_ack; /* received from peer */
     uint64_t                          largest_pn;  /* received from peer */
 
-    ngx_queue_t                       frames;
-    ngx_queue_t                       sent;
+    ngx_queue_t                       frames;      /* generated frames */
+    ngx_queue_t                       sending;     /* frames assigned to pkt */
+    ngx_queue_t                       sent;        /* frames waiting ACK */
 
     uint64_t                          pending_ack; /* non sent ack-eliciting */
     uint64_t                          largest_range;