Mercurial > hg > nginx

comparison src/event/ngx_event_quic.c @ 8566:9588a2782c62 quic

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
QUIC: speeding up handshake completion. As per quic-recovery draft, section-6.2.3: resend CRYPTO frames when receiving an Initial packet containing duplicate CRYPTO data.
author Sergey Kandaurov <pluknet@nginx.com>
date Thu, 01 Oct 2020 12:10:22 +0100
parents 0e12c4aca3ab
children 4983357258d7
comparison
equal deleted inserted replaced
8565:0e12c4aca3ab 8566:9588a2782c62
2659 2659
2660 if (ngx_quic_adjust_frame_offset(c, frame, fs->received) 2660 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
2661 == NGX_DONE) 2661 == NGX_DONE)
2662 { 2662 {
2663 /* old/duplicate data range */ 2663 /* old/duplicate data range */
2664 return NGX_OK; 2664 return handler == ngx_quic_crypto_input ? NGX_DECLINED : NGX_OK;
2665 } 2665 }
2666 2666
2667 /* intersecting data range, frame modified */ 2667 /* intersecting data range, frame modified */
2668 } 2668 }
2669 2669
2842 static ngx_int_t 2842 static ngx_int_t
2843 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, 2843 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
2844 ngx_quic_frame_t *frame) 2844 ngx_quic_frame_t *frame)
2845 { 2845 {
2846 uint64_t last; 2846 uint64_t last;
2847 ngx_int_t rc;
2847 ngx_quic_connection_t *qc; 2848 ngx_quic_connection_t *qc;
2848 ngx_quic_crypto_frame_t *f; 2849 ngx_quic_crypto_frame_t *f;
2849 ngx_quic_frames_stream_t *fs; 2850 ngx_quic_frames_stream_t *fs;
2850 2851
2851 qc = c->quic; 2852 qc = c->quic;
2858 if (last > fs->received && last - fs->received > NGX_QUIC_MAX_BUFFERED) { 2859 if (last > fs->received && last - fs->received > NGX_QUIC_MAX_BUFFERED) {
2859 c->quic->error = NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED; 2860 c->quic->error = NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED;
2860 return NGX_ERROR; 2861 return NGX_ERROR;
2861 } 2862 }
2862 2863
2863 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input, 2864 rc = ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
2864 NULL); 2865 NULL);
2866 if (rc != NGX_DECLINED) {
2867 return rc;
2868 }
2869
2870 /* speeding up handshake completion */
2871
2872 if (pkt->level == ssl_encryption_initial) {
2873 ngx_quic_resend_frames(c, ngx_quic_get_send_ctx(qc, pkt->level));
2874 }
2875
2876 return NGX_OK;
2865 } 2877 }
2866 2878
2867 2879
2868 static ngx_int_t 2880 static ngx_int_t
2869 ngx_quic_crypto_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data) 2881 ngx_quic_crypto_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data)