BUG/MINOR: quic: Missing <conn_opening> stats counter decrementation
When we receive a CONNECTION_CLOSE frame, we should decrement this counter
if the handshake state was not successful and if we have not received
a TLS alert from the TLS stack.
diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index 4a56e1e..1341dc9 100644
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -2626,6 +2626,13 @@
case QUIC_FT_CONNECTION_CLOSE:
case QUIC_FT_CONNECTION_CLOSE_APP:
if (!(qc->flags & QUIC_FL_CONN_DRAINING)) {
+ /* If the connection did not reached the handshake complete state,
+ * the <conn_opening> counter was not decremented. Note that if
+ * a TLS alert was received from the TLS stack, this counter
+ * has already been decremented.
+ */
+ if (qc->state < QUIC_HS_ST_COMPLETE && !(qc->flags & QUIC_FL_CONN_TLS_ALERT))
+ HA_ATOMIC_DEC(&qc->prx_counters->conn_opening);
TRACE_PROTO("Entering draining state", QUIC_EV_CONN_PRSHPKT, qc);
/* RFC 9000 10.2. Immediate Close:
* The closing and draining connection states exist to ensure