QUIC: a bandaid for calculating ack_delay with non-monotonic time.

2020-10-01 12:10:37 +01:00 · 2020-10-01 12:10:37 +01:00 · 7499800d7f
commit 7499800d7f
parent 85086a5267
1 changed files with 1 additions and 0 deletions
--- a/src/event/ngx_event_quic.c
+++ b/src/event/ngx_event_quic.c
@ -2265,6 +2265,7 @@ ngx_quic_ack_delay(ngx_connection_t *c, struct timeval *received,
        ngx_gettimeofday(&tv);
        ack_delay = (tv.tv_sec - received->tv_sec) * 1000000
                    + tv.tv_usec - received->tv_usec;
+        ack_delay = ngx_max(ack_delay, 0);
        ack_delay >>= c->quic->ctp.ack_delay_exponent;
    }