[PATCH] QUIC: fixed $connection_time

[Sergey Kandaurov]

# HG changeset patch
# User Sergey Kandaurov <pluknet at nginx.com>
# Date 1673354510 -14400
#      Tue Jan 10 16:41:50 2023 +0400
# Branch quic
# Node ID 267dbbc62495f5481224c956145697a91364e532
# Parent  19633ad7b73cba34e61f5619193cbcac2f949947
QUIC: fixed $connection_time.

Previously, start_time wasn't set for a new stream.
The fix is to derive it from the parent connection.
Additionally, it's used to simplify keepalive_time.

diff --git a/src/event/quic/ngx_event_quic_streams.c b/src/event/quic/ngx_event_quic_streams.c
--- a/src/event/quic/ngx_event_quic_streams.c
+++ b/src/event/quic/ngx_event_quic_streams.c
@@ -689,6 +689,7 @@ ngx_quic_create_stream(ngx_connection_t 
     sc->local_sockaddr = c->local_sockaddr;
     sc->local_socklen = c->local_socklen;
     sc->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);
+    sc->start_time = c->start_time;
     sc->tcp_nodelay = NGX_TCP_NODELAY_DISABLED;
 
     sc->recv = ngx_quic_stream_recv;
diff --git a/src/http/v3/ngx_http_v3_request.c b/src/http/v3/ngx_http_v3_request.c
--- a/src/http/v3/ngx_http_v3_request.c
+++ b/src/http/v3/ngx_http_v3_request.c
@@ -165,7 +165,6 @@ ngx_http_v3_init_request_stream(ngx_conn
 {
     uint64_t                   n;
     ngx_event_t               *rev;
-    ngx_connection_t          *pc;
     ngx_pool_cleanup_t        *cln;
     ngx_http_connection_t     *hc;
     ngx_http_v3_session_t     *h3c;
@@ -199,12 +198,10 @@ ngx_http_v3_init_request_stream(ngx_conn
         return;
     }
 
-    pc = c->quic->parent;
-
     h3c->next_request_id = c->quic->id + 0x04;
 
     if (n + 1 == clcf->keepalive_requests
-        || ngx_current_msec - pc->start_time > clcf->keepalive_time)
+        || ngx_current_msec - c->start_time > clcf->keepalive_time)
     {
         h3c->goaway = 1;