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comparison src/event/ngx_event_quic_transport.c @ 8625:4416b7ab0a27 quic

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QUIC: multiple versions support. Draft-29 and beyond are now treated as compatible versions.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 10 Nov 2020 00:23:04 +0300
parents 340cd26158fb
children 45db1b5c1706
comparison
equal deleted inserted replaced
8624:340cd26158fb 8625:4416b7ab0a27
53 #define ngx_quic_varint_len(value) \ 53 #define ngx_quic_varint_len(value) \
54 ((value) <= 63 ? 1 \ 54 ((value) <= 63 ? 1 \
55 : ((uint32_t) value) <= 16383 ? 2 \ 55 : ((uint32_t) value) <= 16383 ? 2 \
56 : ((uint64_t) value) <= 1073741823 ? 4 \ 56 : ((uint64_t) value) <= 1073741823 ? 4 \
57 : 8) 57 : 8)
58
59 #define NGX_QUIC_VERSION(c) (0xff000000 + (c))
58 60
59 61
60 static u_char *ngx_quic_parse_int(u_char *pos, u_char *end, uint64_t *out); 62 static u_char *ngx_quic_parse_int(u_char *pos, u_char *end, uint64_t *out);
61 static void ngx_quic_build_int(u_char **pos, uint64_t value); 63 static void ngx_quic_build_int(u_char **pos, uint64_t value);
62 64
99 101
100 static ngx_int_t ngx_quic_parse_transport_param(u_char *p, u_char *end, 102 static ngx_int_t ngx_quic_parse_transport_param(u_char *p, u_char *end,
101 uint16_t id, ngx_quic_tp_t *dst); 103 uint16_t id, ngx_quic_tp_t *dst);
102 104
103 105
104 /* currently only single version (selected at compile-time) is supported */
105 uint32_t ngx_quic_versions[] = { 106 uint32_t ngx_quic_versions[] = {
106 NGX_QUIC_VERSION 107 #if (NGX_QUIC_DRAFT_VERSION >= 29)
108 /* pretend we support all versions in range draft-29..v1 */
109 NGX_QUIC_VERSION(29),
110 NGX_QUIC_VERSION(30),
111 NGX_QUIC_VERSION(31),
112 NGX_QUIC_VERSION(32),
113 /* QUICv1 */
114 0x00000001
115 #else
116 NGX_QUIC_VERSION(NGX_QUIC_DRAFT_VERSION)
117 #endif
107 }; 118 };
108 119
109 #define NGX_QUIC_NVERSIONS \ 120 #define NGX_QUIC_NVERSIONS \
110 (sizeof(ngx_quic_versions) / sizeof(ngx_quic_versions[0])) 121 (sizeof(ngx_quic_versions) / sizeof(ngx_quic_versions[0]))
111 122