Mercurial > hg > nginx
diff src/event/quic/ngx_event_quic_migration.c @ 8940:fb41e37ddeb0 quic
QUIC: decoupled path state and limitation status.
The path validation status and anti-amplification limit status is actually
two different variables. It is possible that validating path should not
be limited (for example, when re-validating former path).
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Mon, 13 Dec 2021 09:48:33 +0300 |
parents | ddd5e5c0f87d |
children | 118a34e32121 |
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--- a/src/event/quic/ngx_event_quic_migration.c +++ b/src/event/quic/ngx_event_quic_migration.c @@ -158,6 +158,7 @@ valid: "quic path #%uL successfully validated", path->seqnum); path->state = NGX_QUIC_PATH_VALIDATED; + path->limited = 0; return NGX_OK; } @@ -215,6 +216,9 @@ ngx_quic_add_path(ngx_connection_t *c, s return NULL; } + path->state = NGX_QUIC_PATH_NEW; + path->limited = 1; + path->seqnum = qc->path_seqnum++; path->last_seen = ngx_current_msec; @@ -332,6 +336,7 @@ update: /* force limits/revalidation for paths that were not seen recently */ if (ngx_current_msec - path->last_seen > qc->tp.max_idle_timeout) { path->state = NGX_QUIC_PATH_NEW; + path->limited = 1; path->sent = 0; path->received = 0; } @@ -350,11 +355,11 @@ update: */ path->received += len; - ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0, + ngx_log_debug7(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic packet via #%uL:%uL:%uL" - " size:%O path recvd:%O sent:%O", + " size:%O path recvd:%O sent:%O limited:%ui", qsock->sid.seqnum, qsock->cid->seqnum, path->seqnum, - len, path->received, path->sent); + len, path->received, path->sent, path->limited); return NGX_OK; } @@ -607,6 +612,7 @@ ngx_quic_path_validation_handler(ngx_eve /* found expired path */ path->state = NGX_QUIC_PATH_NEW; + path->limited = 1; /* * RFC 9000, 9.4. Loss Detection and Congestion Control