Mercurial > hg > nginx-quic
annotate src/http/v2/ngx_http_v2.h @ 8093:8b6486f0fe79 quic
QUIC: switch stream context to a server selected by SNI.
Previously the default server configuration context was used until the
:authority or host header was parsed. This led to using the configuration
parameters like client_header_buffer_size or request_pool_size from the default
server rather than from the server selected by SNI.
Also, the switch to the right server log is implemented. This issue manifested
itself as QUIC stream being logged to the default server log until :authority
or host is parsed.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Tue, 29 Sep 2020 22:09:09 +0100 |
parents | c5840ca2063d |
children | d4a6c03cfcb6 61abb35bb8cf |
rev | line source |
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1 /* |
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2 * Copyright (C) Nginx, Inc. |
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3 * Copyright (C) Valentin V. Bartenev |
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4 */ |
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5 |
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6 |
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7 #ifndef _NGX_HTTP_V2_H_INCLUDED_ |
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8 #define _NGX_HTTP_V2_H_INCLUDED_ |
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9 |
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10 |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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13 #include <ngx_http.h> |
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14 |
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15 |
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16 #define NGX_HTTP_V2_ALPN_ADVERTISE "\x02h2" |
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17 #define NGX_HTTP_V2_NPN_ADVERTISE NGX_HTTP_V2_ALPN_ADVERTISE |
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18 |
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19 #define NGX_HTTP_V2_STATE_BUFFER_SIZE 16 |
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20 |
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21 #define NGX_HTTP_V2_DEFAULT_FRAME_SIZE (1 << 14) |
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22 #define NGX_HTTP_V2_MAX_FRAME_SIZE ((1 << 24) - 1) |
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23 |
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24 #define NGX_HTTP_V2_INT_OCTETS 4 |
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25 #define NGX_HTTP_V2_MAX_FIELD \ |
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26 (127 + (1 << (NGX_HTTP_V2_INT_OCTETS - 1) * 7) - 1) |
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27 |
7201 | 28 #define NGX_HTTP_V2_STREAM_ID_SIZE 4 |
29 | |
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30 #define NGX_HTTP_V2_FRAME_HEADER_SIZE 9 |
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31 |
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32 /* frame types */ |
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33 #define NGX_HTTP_V2_DATA_FRAME 0x0 |
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34 #define NGX_HTTP_V2_HEADERS_FRAME 0x1 |
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35 #define NGX_HTTP_V2_PRIORITY_FRAME 0x2 |
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36 #define NGX_HTTP_V2_RST_STREAM_FRAME 0x3 |
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37 #define NGX_HTTP_V2_SETTINGS_FRAME 0x4 |
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38 #define NGX_HTTP_V2_PUSH_PROMISE_FRAME 0x5 |
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39 #define NGX_HTTP_V2_PING_FRAME 0x6 |
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40 #define NGX_HTTP_V2_GOAWAY_FRAME 0x7 |
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41 #define NGX_HTTP_V2_WINDOW_UPDATE_FRAME 0x8 |
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42 #define NGX_HTTP_V2_CONTINUATION_FRAME 0x9 |
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43 |
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44 /* frame flags */ |
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45 #define NGX_HTTP_V2_NO_FLAG 0x00 |
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46 #define NGX_HTTP_V2_ACK_FLAG 0x01 |
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47 #define NGX_HTTP_V2_END_STREAM_FLAG 0x01 |
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48 #define NGX_HTTP_V2_END_HEADERS_FLAG 0x04 |
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49 #define NGX_HTTP_V2_PADDED_FLAG 0x08 |
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50 #define NGX_HTTP_V2_PRIORITY_FLAG 0x20 |
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51 |
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52 #define NGX_HTTP_V2_MAX_WINDOW ((1U << 31) - 1) |
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53 #define NGX_HTTP_V2_DEFAULT_WINDOW 65535 |
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54 |
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55 #define NGX_HTTP_V2_DEFAULT_WEIGHT 16 |
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56 |
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57 |
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58 typedef struct ngx_http_v2_connection_s ngx_http_v2_connection_t; |
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59 typedef struct ngx_http_v2_node_s ngx_http_v2_node_t; |
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60 typedef struct ngx_http_v2_out_frame_s ngx_http_v2_out_frame_t; |
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61 |
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62 |
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63 typedef u_char *(*ngx_http_v2_handler_pt) (ngx_http_v2_connection_t *h2c, |
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64 u_char *pos, u_char *end); |
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65 |
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66 |
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67 typedef struct { |
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68 ngx_str_t name; |
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69 ngx_str_t value; |
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70 } ngx_http_v2_header_t; |
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71 |
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72 |
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73 typedef struct { |
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74 ngx_uint_t sid; |
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75 size_t length; |
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76 size_t padding; |
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77 unsigned flags:8; |
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78 |
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79 unsigned incomplete:1; |
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80 unsigned keep_pool:1; |
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81 |
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82 /* HPACK */ |
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83 unsigned parse_name:1; |
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84 unsigned parse_value:1; |
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85 unsigned index:1; |
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86 ngx_http_v2_header_t header; |
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87 size_t header_limit; |
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88 u_char field_state; |
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89 u_char *field_start; |
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90 u_char *field_end; |
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91 size_t field_rest; |
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92 ngx_pool_t *pool; |
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93 |
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94 ngx_http_v2_stream_t *stream; |
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95 |
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96 u_char buffer[NGX_HTTP_V2_STATE_BUFFER_SIZE]; |
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97 size_t buffer_used; |
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98 ngx_http_v2_handler_pt handler; |
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99 } ngx_http_v2_state_t; |
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100 |
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101 |
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102 |
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103 typedef struct { |
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104 ngx_http_v2_header_t **entries; |
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105 |
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106 ngx_uint_t added; |
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107 ngx_uint_t deleted; |
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108 ngx_uint_t reused; |
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109 ngx_uint_t allocated; |
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110 |
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111 size_t size; |
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112 size_t free; |
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113 u_char *storage; |
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114 u_char *pos; |
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115 } ngx_http_v2_hpack_t; |
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116 |
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117 |
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118 struct ngx_http_v2_connection_s { |
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119 ngx_connection_t *connection; |
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120 ngx_http_connection_t *http_connection; |
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121 |
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122 off_t total_bytes; |
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123 off_t payload_bytes; |
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124 |
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125 ngx_uint_t processing; |
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127 ngx_uint_t idle; |
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128 ngx_uint_t priority_limit; |
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129 |
7201 | 130 ngx_uint_t pushing; |
131 ngx_uint_t concurrent_pushes; | |
132 | |
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133 size_t send_window; |
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134 size_t recv_window; |
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135 size_t init_window; |
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136 |
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137 size_t frame_size; |
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138 |
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139 ngx_queue_t waiting; |
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140 |
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141 ngx_http_v2_state_t state; |
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142 |
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143 ngx_http_v2_hpack_t hpack; |
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144 |
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145 ngx_pool_t *pool; |
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146 |
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147 ngx_http_v2_out_frame_t *free_frames; |
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148 ngx_connection_t *free_fake_connections; |
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149 |
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150 ngx_http_v2_node_t **streams_index; |
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151 |
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152 ngx_http_v2_out_frame_t *last_out; |
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153 |
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154 ngx_queue_t dependencies; |
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155 ngx_queue_t closed; |
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156 |
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157 ngx_uint_t last_sid; |
7201 | 158 ngx_uint_t last_push; |
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159 |
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160 time_t lingering_time; |
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161 |
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162 unsigned closed_nodes:8; |
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163 unsigned settings_ack:1; |
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164 unsigned table_update:1; |
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165 unsigned blocked:1; |
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166 unsigned goaway:1; |
7201 | 167 unsigned push_disabled:1; |
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168 }; |
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169 |
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170 |
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171 struct ngx_http_v2_node_s { |
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172 ngx_uint_t id; |
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173 ngx_http_v2_node_t *index; |
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174 ngx_http_v2_node_t *parent; |
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175 ngx_queue_t queue; |
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176 ngx_queue_t children; |
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177 ngx_queue_t reuse; |
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178 ngx_uint_t rank; |
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179 ngx_uint_t weight; |
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180 double rel_weight; |
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181 ngx_http_v2_stream_t *stream; |
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182 }; |
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183 |
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184 |
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185 struct ngx_http_v2_stream_s { |
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186 ngx_http_request_t *request; |
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187 ngx_http_v2_connection_t *connection; |
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188 ngx_http_v2_node_t *node; |
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189 |
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190 ngx_uint_t queued; |
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191 |
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192 /* |
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193 * A change to SETTINGS_INITIAL_WINDOW_SIZE could cause the |
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194 * send_window to become negative, hence it's signed. |
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195 */ |
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196 ssize_t send_window; |
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197 size_t recv_window; |
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198 |
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199 ngx_buf_t *preread; |
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200 |
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201 ngx_uint_t frames; |
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202 |
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203 ngx_http_v2_out_frame_t *free_frames; |
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204 ngx_chain_t *free_frame_headers; |
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205 ngx_chain_t *free_bufs; |
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206 |
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207 ngx_queue_t queue; |
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208 |
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209 ngx_array_t *cookies; |
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210 |
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211 ngx_pool_t *pool; |
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212 |
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213 unsigned waiting:1; |
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214 unsigned blocked:1; |
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215 unsigned exhausted:1; |
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216 unsigned in_closed:1; |
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217 unsigned out_closed:1; |
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218 unsigned rst_sent:1; |
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219 unsigned no_flow_control:1; |
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220 unsigned skip_data:1; |
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221 }; |
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222 |
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223 |
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224 struct ngx_http_v2_out_frame_s { |
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225 ngx_http_v2_out_frame_t *next; |
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226 ngx_chain_t *first; |
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227 ngx_chain_t *last; |
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228 ngx_int_t (*handler)(ngx_http_v2_connection_t *h2c, |
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229 ngx_http_v2_out_frame_t *frame); |
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230 |
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231 ngx_http_v2_stream_t *stream; |
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232 size_t length; |
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233 |
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234 unsigned blocked:1; |
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235 unsigned fin:1; |
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236 }; |
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237 |
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238 |
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239 static ngx_inline void |
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The HTTP/2 implementation (RFC 7240, 7241).
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240 ngx_http_v2_queue_frame(ngx_http_v2_connection_t *h2c, |
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241 ngx_http_v2_out_frame_t *frame) |
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242 { |
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243 ngx_http_v2_out_frame_t **out; |
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244 |
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245 for (out = &h2c->last_out; *out; out = &(*out)->next) { |
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246 |
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247 if ((*out)->blocked || (*out)->stream == NULL) { |
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248 break; |
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249 } |
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250 |
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251 if ((*out)->stream->node->rank < frame->stream->node->rank |
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252 || ((*out)->stream->node->rank == frame->stream->node->rank |
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253 && (*out)->stream->node->rel_weight |
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254 >= frame->stream->node->rel_weight)) |
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255 { |
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256 break; |
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257 } |
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258 } |
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259 |
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260 frame->next = *out; |
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261 *out = frame; |
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262 } |
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263 |
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264 |
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265 static ngx_inline void |
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266 ngx_http_v2_queue_blocked_frame(ngx_http_v2_connection_t *h2c, |
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267 ngx_http_v2_out_frame_t *frame) |
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268 { |
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269 ngx_http_v2_out_frame_t **out; |
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270 |
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HTTP/2: style and typos.
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271 for (out = &h2c->last_out; *out; out = &(*out)->next) { |
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272 |
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273 if ((*out)->blocked || (*out)->stream == NULL) { |
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274 break; |
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275 } |
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276 } |
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277 |
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278 frame->next = *out; |
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279 *out = frame; |
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280 } |
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281 |
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282 |
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283 static ngx_inline void |
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284 ngx_http_v2_queue_ordered_frame(ngx_http_v2_connection_t *h2c, |
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285 ngx_http_v2_out_frame_t *frame) |
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286 { |
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287 frame->next = h2c->last_out; |
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288 h2c->last_out = frame; |
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289 } |
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290 |
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291 |
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292 void ngx_http_v2_init(ngx_event_t *rev); |
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293 |
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294 ngx_int_t ngx_http_v2_read_request_body(ngx_http_request_t *r); |
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295 ngx_int_t ngx_http_v2_read_unbuffered_request_body(ngx_http_request_t *r); |
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296 |
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297 ngx_http_v2_stream_t *ngx_http_v2_push_stream(ngx_http_v2_stream_t *parent, |
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298 ngx_str_t *path); |
7201 | 299 |
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300 void ngx_http_v2_close_stream(ngx_http_v2_stream_t *stream, ngx_int_t rc); |
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301 |
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302 ngx_int_t ngx_http_v2_send_output_queue(ngx_http_v2_connection_t *h2c); |
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303 |
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304 |
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HTTP/2: externalized various constants and interfaces.
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305 ngx_str_t *ngx_http_v2_get_static_name(ngx_uint_t index); |
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HTTP/2: externalized various constants and interfaces.
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306 ngx_str_t *ngx_http_v2_get_static_value(ngx_uint_t index); |
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307 |
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308 ngx_int_t ngx_http_v2_get_indexed_header(ngx_http_v2_connection_t *h2c, |
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309 ngx_uint_t index, ngx_uint_t name_only); |
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310 ngx_int_t ngx_http_v2_add_header(ngx_http_v2_connection_t *h2c, |
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311 ngx_http_v2_header_t *header); |
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312 ngx_int_t ngx_http_v2_table_size(ngx_http_v2_connection_t *h2c, size_t size); |
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313 |
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|
314 |
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|
315 ngx_int_t ngx_http_v2_huff_decode(u_char *state, u_char *src, size_t len, |
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|
316 u_char **dst, ngx_uint_t last, ngx_log_t *log); |
6395
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HTTP/2: implemented HPACK Huffman encoding for response headers.
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317 size_t ngx_http_v2_huff_encode(u_char *src, size_t len, u_char *dst, |
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|
318 ngx_uint_t lower); |
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319 |
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|
320 |
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The HTTP/2 implementation (RFC 7240, 7241).
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321 #define ngx_http_v2_prefix(bits) ((1 << (bits)) - 1) |
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|
322 |
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|
323 |
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|
324 #if (NGX_HAVE_NONALIGNED) |
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|
325 |
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|
326 #define ngx_http_v2_parse_uint16(p) ntohs(*(uint16_t *) (p)) |
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|
327 #define ngx_http_v2_parse_uint32(p) ntohl(*(uint32_t *) (p)) |
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|
328 |
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|
329 #else |
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|
330 |
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|
331 #define ngx_http_v2_parse_uint16(p) ((p)[0] << 8 | (p)[1]) |
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|
332 #define ngx_http_v2_parse_uint32(p) \ |
6627
ad736705a744
HTTP/2: avoid left-shifting signed integer into the sign bit.
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parents:
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diff
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|
333 ((uint32_t) (p)[0] << 24 | (p)[1] << 16 | (p)[2] << 8 | (p)[3]) |
6246
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|
334 |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
335 #endif |
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|
336 |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
337 #define ngx_http_v2_parse_length(p) ((p) >> 8) |
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|
338 #define ngx_http_v2_parse_type(p) ((p) & 0xff) |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
339 #define ngx_http_v2_parse_sid(p) (ngx_http_v2_parse_uint32(p) & 0x7fffffff) |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
340 #define ngx_http_v2_parse_window(p) (ngx_http_v2_parse_uint32(p) & 0x7fffffff) |
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341 |
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|
342 |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
343 #define ngx_http_v2_write_uint16_aligned(p, s) \ |
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|
344 (*(uint16_t *) (p) = htons((uint16_t) (s)), (p) + sizeof(uint16_t)) |
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|
345 #define ngx_http_v2_write_uint32_aligned(p, s) \ |
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346 (*(uint32_t *) (p) = htonl((uint32_t) (s)), (p) + sizeof(uint32_t)) |
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|
347 |
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|
348 #if (NGX_HAVE_NONALIGNED) |
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|
349 |
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|
350 #define ngx_http_v2_write_uint16 ngx_http_v2_write_uint16_aligned |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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351 #define ngx_http_v2_write_uint32 ngx_http_v2_write_uint32_aligned |
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352 |
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353 #else |
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354 |
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355 #define ngx_http_v2_write_uint16(p, s) \ |
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356 ((p)[0] = (u_char) ((s) >> 8), \ |
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357 (p)[1] = (u_char) (s), \ |
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358 (p) + sizeof(uint16_t)) |
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359 |
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360 #define ngx_http_v2_write_uint32(p, s) \ |
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361 ((p)[0] = (u_char) ((s) >> 24), \ |
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362 (p)[1] = (u_char) ((s) >> 16), \ |
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363 (p)[2] = (u_char) ((s) >> 8), \ |
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364 (p)[3] = (u_char) (s), \ |
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365 (p) + sizeof(uint32_t)) |
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366 |
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367 #endif |
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368 |
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369 #define ngx_http_v2_write_len_and_type(p, l, t) \ |
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370 ngx_http_v2_write_uint32_aligned(p, (l) << 8 | (t)) |
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371 |
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372 #define ngx_http_v2_write_sid ngx_http_v2_write_uint32 |
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373 |
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374 |
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375 #define ngx_http_v2_indexed(i) (128 + (i)) |
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376 #define ngx_http_v2_inc_indexed(i) (64 + (i)) |
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377 |
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378 #define ngx_http_v2_write_name(dst, src, len, tmp) \ |
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379 ngx_http_v2_string_encode(dst, src, len, tmp, 1) |
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380 #define ngx_http_v2_write_value(dst, src, len, tmp) \ |
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381 ngx_http_v2_string_encode(dst, src, len, tmp, 0) |
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382 |
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383 #define NGX_HTTP_V2_ENCODE_RAW 0 |
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384 #define NGX_HTTP_V2_ENCODE_HUFF 0x80 |
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385 |
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386 #define NGX_HTTP_V2_AUTHORITY_INDEX 1 |
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387 |
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388 #define NGX_HTTP_V2_METHOD_INDEX 2 |
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389 #define NGX_HTTP_V2_METHOD_GET_INDEX 2 |
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390 #define NGX_HTTP_V2_METHOD_POST_INDEX 3 |
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391 |
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392 #define NGX_HTTP_V2_PATH_INDEX 4 |
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393 #define NGX_HTTP_V2_PATH_ROOT_INDEX 4 |
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394 |
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395 #define NGX_HTTP_V2_SCHEME_HTTP_INDEX 6 |
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396 #define NGX_HTTP_V2_SCHEME_HTTPS_INDEX 7 |
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397 |
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398 #define NGX_HTTP_V2_STATUS_INDEX 8 |
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399 #define NGX_HTTP_V2_STATUS_200_INDEX 8 |
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400 #define NGX_HTTP_V2_STATUS_204_INDEX 9 |
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401 #define NGX_HTTP_V2_STATUS_206_INDEX 10 |
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402 #define NGX_HTTP_V2_STATUS_304_INDEX 11 |
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403 #define NGX_HTTP_V2_STATUS_400_INDEX 12 |
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404 #define NGX_HTTP_V2_STATUS_404_INDEX 13 |
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405 #define NGX_HTTP_V2_STATUS_500_INDEX 14 |
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406 |
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407 #define NGX_HTTP_V2_ACCEPT_ENCODING_INDEX 16 |
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408 #define NGX_HTTP_V2_ACCEPT_LANGUAGE_INDEX 17 |
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409 #define NGX_HTTP_V2_CONTENT_LENGTH_INDEX 28 |
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410 #define NGX_HTTP_V2_CONTENT_TYPE_INDEX 31 |
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411 #define NGX_HTTP_V2_DATE_INDEX 33 |
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412 #define NGX_HTTP_V2_LAST_MODIFIED_INDEX 44 |
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413 #define NGX_HTTP_V2_LOCATION_INDEX 46 |
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414 #define NGX_HTTP_V2_SERVER_INDEX 54 |
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415 #define NGX_HTTP_V2_USER_AGENT_INDEX 58 |
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416 #define NGX_HTTP_V2_VARY_INDEX 59 |
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417 |
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418 |
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419 u_char *ngx_http_v2_string_encode(u_char *dst, u_char *src, size_t len, |
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420 u_char *tmp, ngx_uint_t lower); |
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421 |
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422 |
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423 #endif /* _NGX_HTTP_V2_H_INCLUDED_ */ |