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QUIC: speeding up handshake completion.

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As per quic-recovery draft, section-6.2.3: resend CRYPTO frames
when receiving an Initial packet containing duplicate CRYPTO data.
This commit is contained in:
Sergey Kandaurov 2020-10-01 12:10:22 +01:00
parent 1fca2f6698
commit 85086a5267
1 changed files with 15 additions and 3 deletions
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18
src/event/ngx_event_quic.c
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@ -2661,7 +2661,7 @@ ngx_quic_handle_ordered_frame(ngx_connection_t *c, ngx_quic_frames_stream_t *fs,
== NGX_DONE)
{
/* old/duplicate data range */
return NGX_OK;
return handler == ngx_quic_crypto_input ? NGX_DECLINED : NGX_OK;
}
/* intersecting data range, frame modified */
@ -2844,6 +2844,7 @@ ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
ngx_quic_frame_t *frame)
{
uint64_t last;
ngx_int_t rc;
ngx_quic_connection_t *qc;
ngx_quic_crypto_frame_t *f;
ngx_quic_frames_stream_t *fs;
@ -2860,8 +2861,19 @@ ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
return NGX_ERROR;
}
return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
NULL);
rc = ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
NULL);
if (rc != NGX_DECLINED) {
return rc;
}
/* speeding up handshake completion */
if (pkt->level == ssl_encryption_initial) {
ngx_quic_resend_frames(c, ngx_quic_get_send_ctx(qc, pkt->level));
}
return NGX_OK;
}