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annotate src/http/v3/ngx_http_v3.h @ 8269:c9c3a73df6e8 quic

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Support for HTTP/3 ALPN. This is required by Chrome.
author Roman Arutyunyan <arut@nginx.com>
date Mon, 23 Mar 2020 19:26:24 +0300
parents e9891e8ee975
children dadbc66e9fca
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1
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2 /*
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3 * Copyright (C) Roman Arutyunyan
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4 * Copyright (C) Nginx, Inc.
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5 */
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6
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7
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8 #ifndef _NGX_HTTP_V3_H_INCLUDED_
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9 #define _NGX_HTTP_V3_H_INCLUDED_
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11
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_http.h>
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15 #include <ngx_http_v3_parse.h>
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17
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18 #define NGX_HTTP_V3_STREAM 0x48335354 /* "H3ST" */
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20 #define NGX_HTTP_V3_ALPN(s) NGX_HTTP_V3_ALPN_DRAFT(s)
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21 #define NGX_HTTP_V3_ALPN_DRAFT(s) "\x05h3-" #s
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22 #define NGX_HTTP_V3_ALPN_ADVERTISE NGX_HTTP_V3_ALPN(NGX_QUIC_DRAFT_VERSION)
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24 #define NGX_HTTP_V3_VARLEN_INT_LEN 4
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25 #define NGX_HTTP_V3_PREFIX_INT_LEN 11
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26
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27 #define NGX_HTTP_V3_STREAM_CONTROL 0x00
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28 #define NGX_HTTP_V3_STREAM_PUSH 0x01
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29 #define NGX_HTTP_V3_STREAM_ENCODER 0x02
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30 #define NGX_HTTP_V3_STREAM_DECODER 0x03
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31
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32 #define NGX_HTTP_V3_FRAME_DATA 0x00
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33 #define NGX_HTTP_V3_FRAME_HEADERS 0x01
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34 #define NGX_HTTP_V3_FRAME_CANCEL_PUSH 0x03
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35 #define NGX_HTTP_V3_FRAME_SETTINGS 0x04
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36 #define NGX_HTTP_V3_FRAME_PUSH_PROMISE 0x05
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37 #define NGX_HTTP_V3_FRAME_GOAWAY 0x07
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38 #define NGX_HTTP_V3_FRAME_MAX_PUSH_ID 0x0d
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39
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40 #define NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY 0x01
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41 #define NGX_HTTP_V3_PARAM_MAX_HEADER_LIST_SIZE 0x06
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42 #define NGX_HTTP_V3_PARAM_BLOCKED_STREAMS 0x07
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43
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44
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45 typedef struct {
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46 ngx_quic_tp_t quic;
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47 } ngx_http_v3_srv_conf_t;
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48
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49
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50 typedef struct {
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51 ngx_http_connection_t hc;
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52
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53 ngx_array_t *dynamic;
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54
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55 ngx_connection_t *client_encoder;
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56 ngx_connection_t *client_decoder;
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57 ngx_connection_t *client_control;
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58
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59 ngx_connection_t *server_encoder;
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60 ngx_connection_t *server_decoder;
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61 ngx_connection_t *server_control;
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62 } ngx_http_v3_connection_t;
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63
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64
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65 typedef struct {
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66 ngx_str_t name;
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67 ngx_str_t value;
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68 } ngx_http_v3_header_t;
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69
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70
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71 ngx_int_t ngx_http_v3_parse_header(ngx_http_request_t *r, ngx_buf_t *b);
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72 ngx_chain_t *ngx_http_v3_create_header(ngx_http_request_t *r);
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73
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74 uintptr_t ngx_http_v3_encode_varlen_int(u_char *p, uint64_t value);
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75 uintptr_t ngx_http_v3_encode_prefix_int(u_char *p, uint64_t value,
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76 ngx_uint_t prefix);
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77
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78 void ngx_http_v3_handle_client_uni_stream(ngx_connection_t *c);
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79
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80 ngx_int_t ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic,
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81 ngx_uint_t index, ngx_str_t *value);
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82 ngx_int_t ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name,
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83 ngx_str_t *value);
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84 ngx_int_t ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity);
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85 ngx_int_t ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index);
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86 ngx_int_t ngx_http_v3_ack_header(ngx_connection_t *c, ngx_uint_t stream_id);
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87 ngx_int_t ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id);
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88 ngx_int_t ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc);
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89 ngx_http_v3_header_t *ngx_http_v3_lookup_table(ngx_connection_t *c,
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90 ngx_uint_t dynamic, ngx_uint_t index);
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91 ngx_int_t ngx_http_v3_check_insert_count(ngx_connection_t *c,
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92 ngx_uint_t insert_count);
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93 ngx_int_t ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id,
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94 uint64_t value);
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95
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96 ngx_int_t ngx_http_v3_client_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic,
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97 ngx_uint_t index, ngx_str_t *value);
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98 ngx_int_t ngx_http_v3_client_insert(ngx_connection_t *c, ngx_str_t *name,
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99 ngx_str_t *value);
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100 ngx_int_t ngx_http_v3_client_set_capacity(ngx_connection_t *c,
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101 ngx_uint_t capacity);
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102 ngx_int_t ngx_http_v3_client_duplicate(ngx_connection_t *c, ngx_uint_t index);
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103 ngx_int_t ngx_http_v3_client_ack_header(ngx_connection_t *c,
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104 ngx_uint_t stream_id);
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105 ngx_int_t ngx_http_v3_client_cancel_stream(ngx_connection_t *c,
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106 ngx_uint_t stream_id);
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107 ngx_int_t ngx_http_v3_client_inc_insert_count(ngx_connection_t *c,
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108 ngx_uint_t inc);
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109
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110
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111 extern ngx_module_t ngx_http_v3_module;
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112
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113
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114 #endif /* _NGX_HTTP_V3_H_INCLUDED_ */