Mercurial > hg > nginx-quic
annotate src/http/v3/ngx_http_v3_streams.c @ 8643:72b304f6207c quic
HTTP/3: traffic-based flood detection.
With this patch, all traffic over HTTP/3 bidi and uni streams is counted in
the h3c->total_bytes field, and payload traffic is counted in the
h3c->payload_bytes field. As long as total traffic is many times larger than
payload traffic, we consider this to be a flood.
Request header traffic is counted as if all fields are literal. Response
header traffic is counted as is.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Thu, 07 Oct 2021 13:22:42 +0300 |
parents | 531075860fe2 |
children | 925572184d4a |
rev | line source |
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7681 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
13 typedef struct { | |
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14 ngx_http_v3_parse_uni_t parse; |
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15 ngx_int_t index; |
7681 | 16 } ngx_http_v3_uni_stream_t; |
17 | |
18 | |
8015 | 19 typedef struct { |
20 ngx_queue_t queue; | |
21 uint64_t id; | |
22 ngx_connection_t *connection; | |
23 ngx_uint_t *npushing; | |
24 } ngx_http_v3_push_t; | |
25 | |
26 | |
7681 | 27 static void ngx_http_v3_close_uni_stream(ngx_connection_t *c); |
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28 static void ngx_http_v3_uni_read_handler(ngx_event_t *rev); |
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29 static void ngx_http_v3_dummy_write_handler(ngx_event_t *wev); |
8015 | 30 static void ngx_http_v3_push_cleanup(void *data); |
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31 static ngx_connection_t *ngx_http_v3_get_uni_stream(ngx_connection_t *c, |
7681 | 32 ngx_uint_t type); |
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33 |
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34 |
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35 void |
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36 ngx_http_v3_init_uni_stream(ngx_connection_t *c) |
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37 { |
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38 uint64_t n; |
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39 ngx_http_v3_srv_conf_t *h3scf; |
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40 ngx_http_v3_uni_stream_t *us; |
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41 |
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42 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 init uni stream"); |
7681 | 43 |
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44 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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45 |
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46 n = c->quic->id >> 2; |
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47 |
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48 if (n >= h3scf->max_uni_streams) { |
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49 ngx_http_v3_finalize_connection(c, |
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50 NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR, |
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51 "reached maximum number of uni streams"); |
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52 ngx_http_close_connection(c); |
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53 return; |
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54 } |
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55 |
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56 c->quic->cancelable = 1; |
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57 |
7681 | 58 us = ngx_pcalloc(c->pool, sizeof(ngx_http_v3_uni_stream_t)); |
59 if (us == NULL) { | |
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60 ngx_http_close_connection(c); |
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61 return; |
7681 | 62 } |
63 | |
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64 us->index = -1; |
7681 | 65 |
66 c->data = us; | |
67 | |
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68 c->read->handler = ngx_http_v3_uni_read_handler; |
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69 c->write->handler = ngx_http_v3_dummy_write_handler; |
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70 |
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71 ngx_http_v3_uni_read_handler(c->read); |
7681 | 72 } |
73 | |
74 | |
75 static void | |
76 ngx_http_v3_close_uni_stream(ngx_connection_t *c) | |
77 { | |
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78 ngx_pool_t *pool; |
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79 ngx_http_v3_session_t *h3c; |
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80 ngx_http_v3_uni_stream_t *us; |
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81 |
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82 us = c->data; |
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83 h3c = ngx_http_v3_get_session(c); |
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84 |
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85 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 close stream"); |
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86 |
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87 if (us->index >= 0) { |
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88 h3c->known_streams[us->index] = NULL; |
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89 } |
7681 | 90 |
91 c->destroyed = 1; | |
92 | |
93 pool = c->pool; | |
94 | |
95 ngx_close_connection(c); | |
96 | |
97 ngx_destroy_pool(pool); | |
98 } | |
99 | |
100 | |
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101 ngx_int_t |
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102 ngx_http_v3_register_uni_stream(ngx_connection_t *c, uint64_t type) |
7681 | 103 { |
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104 ngx_int_t index; |
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105 ngx_http_v3_session_t *h3c; |
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106 ngx_http_v3_uni_stream_t *us; |
7681 | 107 |
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108 h3c = ngx_http_v3_get_session(c); |
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109 |
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110 switch (type) { |
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111 |
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112 case NGX_HTTP_V3_STREAM_ENCODER: |
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113 |
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114 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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115 "http3 encoder stream"); |
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116 index = NGX_HTTP_V3_STREAM_CLIENT_ENCODER; |
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117 break; |
7681 | 118 |
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119 case NGX_HTTP_V3_STREAM_DECODER: |
7681 | 120 |
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121 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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122 "http3 decoder stream"); |
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123 index = NGX_HTTP_V3_STREAM_CLIENT_DECODER; |
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124 break; |
7681 | 125 |
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126 case NGX_HTTP_V3_STREAM_CONTROL: |
7681 | 127 |
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128 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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129 "http3 control stream"); |
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130 index = NGX_HTTP_V3_STREAM_CLIENT_CONTROL; |
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131 |
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132 break; |
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133 |
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134 default: |
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135 |
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136 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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137 "http3 stream 0x%02xL", type); |
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138 |
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139 if (h3c->known_streams[NGX_HTTP_V3_STREAM_CLIENT_ENCODER] == NULL |
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140 || h3c->known_streams[NGX_HTTP_V3_STREAM_CLIENT_DECODER] == NULL |
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141 || h3c->known_streams[NGX_HTTP_V3_STREAM_CLIENT_CONTROL] == NULL) |
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142 { |
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143 ngx_log_error(NGX_LOG_INFO, c->log, 0, "missing mandatory stream"); |
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144 return NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR; |
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145 } |
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146 |
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147 index = -1; |
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148 } |
7681 | 149 |
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150 if (index >= 0) { |
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151 if (h3c->known_streams[index]) { |
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152 ngx_log_error(NGX_LOG_INFO, c->log, 0, "stream exists"); |
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153 return NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR; |
7681 | 154 } |
155 | |
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diff
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|
156 h3c->known_streams[index] = c; |
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diff
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|
157 |
8432
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HTTP/3: moved parsing uni stream type to ngx_http_v3_parse.c.
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diff
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|
158 us = c->data; |
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159 us->index = index; |
7681 | 160 } |
161 | |
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|
162 return NGX_OK; |
7681 | 163 } |
164 | |
165 | |
166 static void | |
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diff
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|
167 ngx_http_v3_uni_read_handler(ngx_event_t *rev) |
7681 | 168 { |
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diff
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|
169 u_char buf[128]; |
7681 | 170 ssize_t n; |
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171 ngx_buf_t b; |
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172 ngx_int_t rc; |
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|
173 ngx_connection_t *c; |
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174 ngx_http_v3_session_t *h3c; |
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175 ngx_http_v3_uni_stream_t *us; |
7681 | 176 |
177 c = rev->data; | |
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178 us = c->data; |
7681 | 179 |
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180 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read handler"); |
7681 | 181 |
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182 ngx_memzero(&b, sizeof(ngx_buf_t)); |
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diff
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183 |
7681 | 184 while (rev->ready) { |
185 | |
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186 n = c->recv(c, buf, sizeof(buf)); |
7681 | 187 |
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188 if (n == NGX_ERROR) { |
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diff
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189 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
7681 | 190 goto failed; |
191 } | |
192 | |
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193 if (n == 0) { |
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194 if (us->index >= 0) { |
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195 rc = NGX_HTTP_V3_ERR_CLOSED_CRITICAL_STREAM; |
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196 goto failed; |
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197 } |
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198 |
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199 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read eof"); |
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200 ngx_http_v3_close_uni_stream(c); |
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201 return; |
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202 } |
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203 |
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204 if (n == NGX_AGAIN) { |
7681 | 205 break; |
206 } | |
207 | |
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208 b.pos = buf; |
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209 b.last = buf + n; |
7681 | 210 |
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211 h3c = ngx_http_v3_get_session(c); |
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212 h3c->total_bytes += n; |
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213 |
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214 if (ngx_http_v3_check_flood(c) != NGX_OK) { |
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215 ngx_http_v3_close_uni_stream(c); |
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216 return; |
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217 } |
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218 |
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219 rc = ngx_http_v3_parse_uni(c, &us->parse, &b); |
7681 | 220 |
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221 if (rc == NGX_DONE) { |
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222 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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223 "http3 read done"); |
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224 ngx_http_v3_close_uni_stream(c); |
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225 return; |
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226 } |
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227 |
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228 if (rc > 0) { |
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229 goto failed; |
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230 } |
7681 | 231 |
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232 if (rc != NGX_AGAIN) { |
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233 rc = NGX_HTTP_V3_ERR_GENERAL_PROTOCOL_ERROR; |
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234 goto failed; |
7681 | 235 } |
236 } | |
237 | |
238 if (ngx_handle_read_event(rev, 0) != NGX_OK) { | |
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239 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
7681 | 240 goto failed; |
241 } | |
242 | |
243 return; | |
244 | |
245 failed: | |
246 | |
7955
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247 ngx_http_v3_finalize_connection(c, rc, "stream error"); |
7681 | 248 ngx_http_v3_close_uni_stream(c); |
249 } | |
250 | |
251 | |
7747
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252 static void |
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253 ngx_http_v3_dummy_write_handler(ngx_event_t *wev) |
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When closing a QUIC connection, wait for all streams to finish.
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254 { |
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When closing a QUIC connection, wait for all streams to finish.
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|
255 ngx_connection_t *c; |
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When closing a QUIC connection, wait for all streams to finish.
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|
256 |
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When closing a QUIC connection, wait for all streams to finish.
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diff
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|
257 c = wev->data; |
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When closing a QUIC connection, wait for all streams to finish.
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258 |
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When closing a QUIC connection, wait for all streams to finish.
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259 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 dummy write handler"); |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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|
260 |
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When closing a QUIC connection, wait for all streams to finish.
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|
261 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
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262 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_INTERNAL_ERROR, |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
263 NULL); |
7747
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When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
264 ngx_http_v3_close_uni_stream(c); |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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|
265 } |
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When closing a QUIC connection, wait for all streams to finish.
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diff
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|
266 } |
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When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
267 |
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When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
268 |
7681 | 269 /* XXX async & buffered stream writes */ |
270 | |
8015 | 271 ngx_connection_t * |
272 ngx_http_v3_create_push_stream(ngx_connection_t *c, uint64_t push_id) | |
273 { | |
8430
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274 u_char *p, buf[NGX_HTTP_V3_VARLEN_INT_LEN * 2]; |
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275 size_t n; |
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276 ngx_connection_t *sc; |
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277 ngx_pool_cleanup_t *cln; |
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278 ngx_http_v3_push_t *push; |
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|
279 ngx_http_v3_session_t *h3c; |
8015 | 280 |
281 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
282 "http3 create push stream id:%uL", push_id); | |
283 | |
284 sc = ngx_quic_open_stream(c, 0); | |
285 if (sc == NULL) { | |
286 return NULL; | |
287 } | |
288 | |
289 p = buf; | |
290 p = (u_char *) ngx_http_v3_encode_varlen_int(p, NGX_HTTP_V3_STREAM_PUSH); | |
291 p = (u_char *) ngx_http_v3_encode_varlen_int(p, push_id); | |
292 n = p - buf; | |
293 | |
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294 h3c = ngx_http_v3_get_session(c); |
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|
295 h3c->total_bytes += n; |
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|
296 |
8015 | 297 if (sc->send(sc, buf, n) != (ssize_t) n) { |
298 goto failed; | |
299 } | |
300 | |
301 cln = ngx_pool_cleanup_add(sc->pool, sizeof(ngx_http_v3_push_t)); | |
302 if (cln == NULL) { | |
303 goto failed; | |
304 } | |
305 | |
306 h3c->npushing++; | |
307 | |
308 cln->handler = ngx_http_v3_push_cleanup; | |
309 | |
310 push = cln->data; | |
311 push->id = push_id; | |
312 push->connection = sc; | |
313 push->npushing = &h3c->npushing; | |
314 | |
315 ngx_queue_insert_tail(&h3c->pushing, &push->queue); | |
316 | |
317 return sc; | |
318 | |
319 failed: | |
320 | |
321 ngx_http_v3_close_uni_stream(sc); | |
322 | |
323 return NULL; | |
324 } | |
325 | |
326 | |
327 static void | |
328 ngx_http_v3_push_cleanup(void *data) | |
329 { | |
330 ngx_http_v3_push_t *push = data; | |
331 | |
332 ngx_queue_remove(&push->queue); | |
333 (*push->npushing)--; | |
334 } | |
335 | |
336 | |
7681 | 337 static ngx_connection_t * |
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338 ngx_http_v3_get_uni_stream(ngx_connection_t *c, ngx_uint_t type) |
7681 | 339 { |
340 u_char buf[NGX_HTTP_V3_VARLEN_INT_LEN]; | |
341 size_t n; | |
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342 ngx_int_t index; |
7681 | 343 ngx_connection_t *sc; |
8430
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|
344 ngx_http_v3_session_t *h3c; |
7681 | 345 ngx_http_v3_uni_stream_t *us; |
346 | |
7749
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|
347 switch (type) { |
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|
348 case NGX_HTTP_V3_STREAM_ENCODER: |
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|
349 index = NGX_HTTP_V3_STREAM_SERVER_ENCODER; |
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350 break; |
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351 case NGX_HTTP_V3_STREAM_DECODER: |
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diff
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|
352 index = NGX_HTTP_V3_STREAM_SERVER_DECODER; |
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Simplifed handling HTTP/3 streams.
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|
353 break; |
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Simplifed handling HTTP/3 streams.
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diff
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|
354 case NGX_HTTP_V3_STREAM_CONTROL: |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
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diff
changeset
|
355 index = NGX_HTTP_V3_STREAM_SERVER_CONTROL; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
356 break; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
357 default: |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
358 index = -1; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
359 } |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
360 |
8428
40d710a66aef
HTTP/3: ngx_http_v3_get_session() macro.
Roman Arutyunyan <arut@nginx.com>
parents:
8427
diff
changeset
|
361 h3c = ngx_http_v3_get_session(c); |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
362 |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
363 if (index >= 0) { |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
364 if (h3c->known_streams[index]) { |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
365 return h3c->known_streams[index]; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
366 } |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
367 } |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
368 |
8013
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8010
diff
changeset
|
369 sc = ngx_quic_open_stream(c, 0); |
7681 | 370 if (sc == NULL) { |
371 return NULL; | |
372 } | |
373 | |
8359
fc64ab301bad
QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents:
8358
diff
changeset
|
374 sc->quic->cancelable = 1; |
fc64ab301bad
QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents:
8358
diff
changeset
|
375 |
7681 | 376 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
377 "http3 create uni stream, type:%ui", type); | |
378 | |
379 us = ngx_pcalloc(sc->pool, sizeof(ngx_http_v3_uni_stream_t)); | |
380 if (us == NULL) { | |
381 goto failed; | |
382 } | |
383 | |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
384 us->index = index; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
385 |
7681 | 386 sc->data = us; |
387 | |
7747
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
7694
diff
changeset
|
388 sc->read->handler = ngx_http_v3_uni_read_handler; |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
7694
diff
changeset
|
389 sc->write->handler = ngx_http_v3_dummy_write_handler; |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
7694
diff
changeset
|
390 |
7880
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7839
diff
changeset
|
391 if (index >= 0) { |
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7839
diff
changeset
|
392 h3c->known_streams[index] = sc; |
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7839
diff
changeset
|
393 } |
7681 | 394 |
395 n = (u_char *) ngx_http_v3_encode_varlen_int(buf, type) - buf; | |
396 | |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
397 h3c = ngx_http_v3_get_session(c); |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
398 h3c->total_bytes += n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
399 |
7681 | 400 if (sc->send(sc, buf, n) != (ssize_t) n) { |
401 goto failed; | |
402 } | |
403 | |
404 return sc; | |
405 | |
406 failed: | |
407 | |
408 ngx_http_v3_close_uni_stream(sc); | |
409 | |
410 return NULL; | |
411 } | |
412 | |
413 | |
8434
f4d3f5d93a82
HTTP/3: moved session initialization to a separate file.
Roman Arutyunyan <arut@nginx.com>
parents:
8432
diff
changeset
|
414 ngx_int_t |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
415 ngx_http_v3_send_settings(ngx_connection_t *c) |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
416 { |
8429
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8428
diff
changeset
|
417 u_char *p, buf[NGX_HTTP_V3_VARLEN_INT_LEN * 6]; |
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8428
diff
changeset
|
418 size_t n; |
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8428
diff
changeset
|
419 ngx_connection_t *cc; |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
420 ngx_http_v3_session_t *h3c; |
8429
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8428
diff
changeset
|
421 ngx_http_v3_srv_conf_t *h3scf; |
8013
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8010
diff
changeset
|
422 |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
423 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 send settings"); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
424 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
425 cc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_CONTROL); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
426 if (cc == NULL) { |
8013
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8010
diff
changeset
|
427 return NGX_DECLINED; |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
428 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
429 |
8429
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8428
diff
changeset
|
430 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
431 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
432 n = ngx_http_v3_encode_varlen_int(NULL, |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
433 NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY); |
8010
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
7999
diff
changeset
|
434 n += ngx_http_v3_encode_varlen_int(NULL, h3scf->max_table_capacity); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
435 n += ngx_http_v3_encode_varlen_int(NULL, NGX_HTTP_V3_PARAM_BLOCKED_STREAMS); |
8010
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
7999
diff
changeset
|
436 n += ngx_http_v3_encode_varlen_int(NULL, h3scf->max_blocked_streams); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
437 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
438 p = (u_char *) ngx_http_v3_encode_varlen_int(buf, |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
439 NGX_HTTP_V3_FRAME_SETTINGS); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
440 p = (u_char *) ngx_http_v3_encode_varlen_int(p, n); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
441 p = (u_char *) ngx_http_v3_encode_varlen_int(p, |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
442 NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY); |
8010
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
7999
diff
changeset
|
443 p = (u_char *) ngx_http_v3_encode_varlen_int(p, h3scf->max_table_capacity); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
444 p = (u_char *) ngx_http_v3_encode_varlen_int(p, |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
445 NGX_HTTP_V3_PARAM_BLOCKED_STREAMS); |
8010
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
7999
diff
changeset
|
446 p = (u_char *) ngx_http_v3_encode_varlen_int(p, h3scf->max_blocked_streams); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
447 n = p - buf; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
448 |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
449 h3c = ngx_http_v3_get_session(c); |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
450 h3c->total_bytes += n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
451 |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
452 if (cc->send(cc, buf, n) != (ssize_t) n) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
453 goto failed; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
454 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
455 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
456 return NGX_OK; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
457 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
458 failed: |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
459 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
460 ngx_http_v3_close_uni_stream(cc); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
461 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
462 return NGX_ERROR; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
463 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
464 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
465 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
466 ngx_int_t |
8358
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
467 ngx_http_v3_send_goaway(ngx_connection_t *c, uint64_t id) |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
468 { |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
469 u_char *p, buf[NGX_HTTP_V3_VARLEN_INT_LEN * 3]; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
470 size_t n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
471 ngx_connection_t *cc; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
472 ngx_http_v3_session_t *h3c; |
8358
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
473 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
474 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 send goaway %uL", id); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
475 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
476 cc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_CONTROL); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
477 if (cc == NULL) { |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
478 return NGX_DECLINED; |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
479 } |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
480 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
481 n = ngx_http_v3_encode_varlen_int(NULL, id); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
482 p = (u_char *) ngx_http_v3_encode_varlen_int(buf, NGX_HTTP_V3_FRAME_GOAWAY); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
483 p = (u_char *) ngx_http_v3_encode_varlen_int(p, n); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
484 p = (u_char *) ngx_http_v3_encode_varlen_int(p, id); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
485 n = p - buf; |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
486 |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
487 h3c = ngx_http_v3_get_session(c); |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
488 h3c->total_bytes += n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
489 |
8358
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
490 if (cc->send(cc, buf, n) != (ssize_t) n) { |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
491 goto failed; |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
492 } |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
493 |
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diff
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|
494 return NGX_OK; |
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diff
changeset
|
495 |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
496 failed: |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
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parents:
8354
diff
changeset
|
497 |
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diff
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|
498 ngx_http_v3_close_uni_stream(cc); |
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diff
changeset
|
499 |
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diff
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|
500 return NGX_ERROR; |
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diff
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|
501 } |
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diff
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|
502 |
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diff
changeset
|
503 |
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diff
changeset
|
504 ngx_int_t |
8508
0ac25efb2da3
HTTP/3: quic-qpack term updates.
Sergey Kandaurov <pluknet@nginx.com>
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diff
changeset
|
505 ngx_http_v3_send_ack_section(ngx_connection_t *c, ngx_uint_t stream_id) |
7681 | 506 { |
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507 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; |
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508 size_t n; |
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diff
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|
509 ngx_connection_t *dc; |
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diff
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510 ngx_http_v3_session_t *h3c; |
7681 | 511 |
512 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
8508
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HTTP/3: quic-qpack term updates.
Sergey Kandaurov <pluknet@nginx.com>
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8497
diff
changeset
|
513 "http3 client ack section %ui", stream_id); |
7681 | 514 |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
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parents:
7747
diff
changeset
|
515 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
7681 | 516 if (dc == NULL) { |
517 return NGX_ERROR; | |
518 } | |
519 | |
520 buf[0] = 0x80; | |
521 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, stream_id, 7) - buf; | |
522 | |
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diff
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523 h3c = ngx_http_v3_get_session(c); |
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524 h3c->total_bytes += n; |
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|
525 |
7681 | 526 if (dc->send(dc, buf, n) != (ssize_t) n) { |
527 ngx_http_v3_close_uni_stream(dc); | |
528 return NGX_ERROR; | |
529 } | |
530 | |
531 return NGX_OK; | |
532 } | |
533 | |
534 | |
535 ngx_int_t | |
8431
0981329169ea
HTTP/3: renamed ngx_http_v3_client_XXX() functions.
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diff
changeset
|
536 ngx_http_v3_send_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id) |
7681 | 537 { |
8643
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parents:
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diff
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|
538 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; |
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|
539 size_t n; |
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diff
changeset
|
540 ngx_connection_t *dc; |
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diff
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|
541 ngx_http_v3_session_t *h3c; |
7681 | 542 |
543 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
544 "http3 client cancel stream %ui", stream_id); | |
545 | |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
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diff
changeset
|
546 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
7681 | 547 if (dc == NULL) { |
548 return NGX_ERROR; | |
549 } | |
550 | |
551 buf[0] = 0x40; | |
552 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, stream_id, 6) - buf; | |
553 | |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
554 h3c = ngx_http_v3_get_session(c); |
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HTTP/3: traffic-based flood detection.
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diff
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|
555 h3c->total_bytes += n; |
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diff
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|
556 |
7681 | 557 if (dc->send(dc, buf, n) != (ssize_t) n) { |
558 ngx_http_v3_close_uni_stream(dc); | |
559 return NGX_ERROR; | |
560 } | |
561 | |
562 return NGX_OK; | |
563 } | |
564 | |
565 | |
566 ngx_int_t | |
8431
0981329169ea
HTTP/3: renamed ngx_http_v3_client_XXX() functions.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
567 ngx_http_v3_send_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc) |
7681 | 568 { |
8643
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HTTP/3: traffic-based flood detection.
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parents:
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diff
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|
569 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; |
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diff
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|
570 size_t n; |
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parents:
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diff
changeset
|
571 ngx_connection_t *dc; |
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parents:
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diff
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|
572 ngx_http_v3_session_t *h3c; |
7681 | 573 |
574 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
575 "http3 client increment insert count %ui", inc); | |
576 | |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
577 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
7681 | 578 if (dc == NULL) { |
579 return NGX_ERROR; | |
580 } | |
581 | |
582 buf[0] = 0; | |
583 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, inc, 6) - buf; | |
584 | |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
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diff
changeset
|
585 h3c = ngx_http_v3_get_session(c); |
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parents:
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diff
changeset
|
586 h3c->total_bytes += n; |
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parents:
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diff
changeset
|
587 |
7681 | 588 if (dc->send(dc, buf, n) != (ssize_t) n) { |
589 ngx_http_v3_close_uni_stream(dc); | |
590 return NGX_ERROR; | |
591 } | |
592 | |
593 return NGX_OK; | |
594 } | |
8015 | 595 |
596 | |
597 ngx_int_t | |
598 ngx_http_v3_set_max_push_id(ngx_connection_t *c, uint64_t max_push_id) | |
599 { | |
8430
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8429
diff
changeset
|
600 ngx_http_v3_session_t *h3c; |
8015 | 601 |
8428
40d710a66aef
HTTP/3: ngx_http_v3_get_session() macro.
Roman Arutyunyan <arut@nginx.com>
parents:
8427
diff
changeset
|
602 h3c = ngx_http_v3_get_session(c); |
8015 | 603 |
604 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
605 "http3 MAX_PUSH_ID:%uL", max_push_id); | |
606 | |
8354
5cb5b568282b
HTTP/3: do not push until a MAX_PUSH_ID frame is received.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8272
diff
changeset
|
607 if (h3c->max_push_id != (uint64_t) -1 && max_push_id < h3c->max_push_id) { |
8015 | 608 return NGX_HTTP_V3_ERR_ID_ERROR; |
609 } | |
610 | |
611 h3c->max_push_id = max_push_id; | |
612 | |
613 return NGX_OK; | |
614 } | |
615 | |
616 | |
617 ngx_int_t | |
8497
1fec68e322d0
HTTP/3: client GOAWAY support.
Roman Arutyunyan <arut@nginx.com>
parents:
8434
diff
changeset
|
618 ngx_http_v3_goaway(ngx_connection_t *c, uint64_t push_id) |
1fec68e322d0
HTTP/3: client GOAWAY support.
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parents:
8434
diff
changeset
|
619 { |
1fec68e322d0
HTTP/3: client GOAWAY support.
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parents:
8434
diff
changeset
|
620 ngx_http_v3_session_t *h3c; |
1fec68e322d0
HTTP/3: client GOAWAY support.
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parents:
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diff
changeset
|
621 |
1fec68e322d0
HTTP/3: client GOAWAY support.
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parents:
8434
diff
changeset
|
622 h3c = ngx_http_v3_get_session(c); |
1fec68e322d0
HTTP/3: client GOAWAY support.
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parents:
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diff
changeset
|
623 |
1fec68e322d0
HTTP/3: client GOAWAY support.
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parents:
8434
diff
changeset
|
624 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 GOAWAY:%uL", push_id); |
1fec68e322d0
HTTP/3: client GOAWAY support.
Roman Arutyunyan <arut@nginx.com>
parents:
8434
diff
changeset
|
625 |
1fec68e322d0
HTTP/3: client GOAWAY support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
626 h3c->goaway_push_id = push_id; |
1fec68e322d0
HTTP/3: client GOAWAY support.
Roman Arutyunyan <arut@nginx.com>
parents:
8434
diff
changeset
|
627 |
1fec68e322d0
HTTP/3: client GOAWAY support.
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parents:
8434
diff
changeset
|
628 return NGX_OK; |
1fec68e322d0
HTTP/3: client GOAWAY support.
Roman Arutyunyan <arut@nginx.com>
parents:
8434
diff
changeset
|
629 } |
1fec68e322d0
HTTP/3: client GOAWAY support.
Roman Arutyunyan <arut@nginx.com>
parents:
8434
diff
changeset
|
630 |
1fec68e322d0
HTTP/3: client GOAWAY support.
Roman Arutyunyan <arut@nginx.com>
parents:
8434
diff
changeset
|
631 |
1fec68e322d0
HTTP/3: client GOAWAY support.
Roman Arutyunyan <arut@nginx.com>
parents:
8434
diff
changeset
|
632 ngx_int_t |
8015 | 633 ngx_http_v3_cancel_push(ngx_connection_t *c, uint64_t push_id) |
634 { | |
8430
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8429
diff
changeset
|
635 ngx_queue_t *q; |
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
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parents:
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diff
changeset
|
636 ngx_http_request_t *r; |
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
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parents:
8429
diff
changeset
|
637 ngx_http_v3_push_t *push; |
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8429
diff
changeset
|
638 ngx_http_v3_session_t *h3c; |
8015 | 639 |
8428
40d710a66aef
HTTP/3: ngx_http_v3_get_session() macro.
Roman Arutyunyan <arut@nginx.com>
parents:
8427
diff
changeset
|
640 h3c = ngx_http_v3_get_session(c); |
8015 | 641 |
642 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
643 "http3 CANCEL_PUSH:%uL", push_id); | |
644 | |
645 if (push_id >= h3c->next_push_id) { | |
646 return NGX_HTTP_V3_ERR_ID_ERROR; | |
647 } | |
648 | |
649 for (q = ngx_queue_head(&h3c->pushing); | |
650 q != ngx_queue_sentinel(&h3c->pushing); | |
651 q = ngx_queue_next(&h3c->pushing)) | |
652 { | |
653 push = (ngx_http_v3_push_t *) q; | |
654 | |
655 if (push->id != push_id) { | |
656 continue; | |
657 } | |
658 | |
659 r = push->connection->data; | |
660 | |
661 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
662 "http3 cancel push"); | |
663 | |
664 ngx_http_finalize_request(r, NGX_HTTP_CLOSE); | |
665 | |
666 break; | |
667 } | |
668 | |
669 return NGX_OK; | |
670 } | |
8427
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
671 |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
672 |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
673 ngx_int_t |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
674 ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id) |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
675 { |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
676 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
677 "http3 cancel stream %ui", stream_id); |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
678 |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
679 /* we do not use dynamic tables */ |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
680 |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
681 return NGX_OK; |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
parents:
8360
diff
changeset
|
682 } |