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comparison src/event/ngx_event_quic.h @ 8345:6481427ca3fc quic

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Respecting maximum packet size. The header size macros for long and short packets were fixed to provide correct values in bytes. Currently the sending code limits frames so they don't exceed max_packet_size. But it does not account the case when a single frame can exceed the limit. As a result of this patch, big payload (CRYPTO and STREAM) will be split into a number of smaller frames that fit into advertised max_packet_size (which specifies final packet size, after encryption).
author Vladimir Homutov <vl@nginx.com>
date Mon, 20 Apr 2020 22:25:22 +0300
parents 72d20158c814
children a5141e6b3214
comparison
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8344:e0abe17a2878 8345:6481427ca3fc
12 12
13 13
14 #define NGX_QUIC_DRAFT_VERSION 27 14 #define NGX_QUIC_DRAFT_VERSION 27
15 #define NGX_QUIC_VERSION (0xff000000 + NGX_QUIC_DRAFT_VERSION) 15 #define NGX_QUIC_VERSION (0xff000000 + NGX_QUIC_DRAFT_VERSION)
16 16
17 #define NGX_QUIC_MAX_SHORT_HEADER 25 17 #define NGX_QUIC_MAX_SHORT_HEADER 25 /* 1 flags + 20 dcid + 4 pn */
18 #define NGX_QUIC_MAX_LONG_HEADER 346 18 #define NGX_QUIC_MAX_LONG_HEADER 56
19 /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */
19 20
20 #define NGX_QUIC_DEFAULT_MAX_PACKET_SIZE 65527 21 #define NGX_QUIC_DEFAULT_MAX_PACKET_SIZE 65527
21 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 22 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3
22 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 23 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25
24
25 #define NGX_QUIC_MIN_INITIAL_SIZE 1200
23 26
24 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01 27 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01
25 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02 28 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02
26 29
27 #define NGX_QUIC_STREAM_BUFSIZE 16384 30 #define NGX_QUIC_STREAM_BUFSIZE 16384