Mercurial > hg > nginx
changeset 8594:ee06a813756c quic
QUIC: teach how to compute only the length of created QUIC headers.
It will be used for precise expansion of UDP datagram payload.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Wed, 21 Oct 2020 12:03:23 +0100 |
parents | d8a0bb1e85bf |
children | 96798101c3aa |
files | src/event/ngx_event_quic_transport.c |
diffstat | 1 files changed, 10 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/event/ngx_event_quic_transport.c Wed Oct 21 12:03:22 2020 +0100 +++ b/src/event/ngx_event_quic_transport.c Wed Oct 21 12:03:23 2020 +0100 @@ -420,6 +420,12 @@ { u_char *p, *start; + if (out == NULL) { + return 5 + 2 + pkt->dcid.len + pkt->scid.len + + ngx_quic_varint_len(pkt_len + pkt->num_len) + pkt->num_len + + (pkt->level == ssl_encryption_initial ? 1 : 0); + } + p = start = out; *p++ = pkt->flags; @@ -465,6 +471,10 @@ { u_char *p, *start; + if (out == NULL) { + return 1 + pkt->dcid.len + pkt->num_len; + } + p = start = out; *p++ = pkt->flags;