Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_table.c @ 8989:81a3429db8b0 quic
HTTP/3: delayed Insert Count Increment instruction.
Sending the instruction is delayed until the end of the current event cycle.
Delaying the instruction is allowed by quic-qpack-21, section 2.2.2.3.
The goal is to reduce the amount of data sent back to client by accumulating
several inserts in one instruction and sometimes not sending the instruction at
all, if Section Acknowledgement was sent just before it.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Thu, 27 Jan 2022 12:20:47 +0300 |
parents | 18d23ed15eef |
children | efbcdb9b37dc |
rev | line source |
---|---|
8215 | 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 | |
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13 #define ngx_http_v3_table_entry_size(n, v) ((n)->len + (v)->len + 32) |
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14 |
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15 |
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16 static ngx_int_t ngx_http_v3_evict(ngx_connection_t *c, size_t need); |
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17 static void ngx_http_v3_unblock(void *data); |
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18 static ngx_int_t ngx_http_v3_new_entry(ngx_connection_t *c); |
8215 | 19 |
20 | |
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21 typedef struct { |
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22 ngx_queue_t queue; |
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23 ngx_connection_t *connection; |
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24 ngx_uint_t *nblocked; |
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25 } ngx_http_v3_block_t; |
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26 |
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27 |
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28 static ngx_http_v3_field_t ngx_http_v3_static_table[] = { |
8215 | 29 |
30 { ngx_string(":authority"), ngx_string("") }, | |
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31 { ngx_string(":path"), ngx_string("/") }, |
8215 | 32 { ngx_string("age"), ngx_string("0") }, |
33 { ngx_string("content-disposition"), ngx_string("") }, | |
34 { ngx_string("content-length"), ngx_string("0") }, | |
35 { ngx_string("cookie"), ngx_string("") }, | |
36 { ngx_string("date"), ngx_string("") }, | |
37 { ngx_string("etag"), ngx_string("") }, | |
38 { ngx_string("if-modified-since"), ngx_string("") }, | |
39 { ngx_string("if-none-match"), ngx_string("") }, | |
40 { ngx_string("last-modified"), ngx_string("") }, | |
41 { ngx_string("link"), ngx_string("") }, | |
42 { ngx_string("location"), ngx_string("") }, | |
43 { ngx_string("referer"), ngx_string("") }, | |
44 { ngx_string("set-cookie"), ngx_string("") }, | |
45 { ngx_string(":method"), ngx_string("CONNECT") }, | |
46 { ngx_string(":method"), ngx_string("DELETE") }, | |
47 { ngx_string(":method"), ngx_string("GET") }, | |
48 { ngx_string(":method"), ngx_string("HEAD") }, | |
49 { ngx_string(":method"), ngx_string("OPTIONS") }, | |
50 { ngx_string(":method"), ngx_string("POST") }, | |
51 { ngx_string(":method"), ngx_string("PUT") }, | |
52 { ngx_string(":scheme"), ngx_string("http") }, | |
53 { ngx_string(":scheme"), ngx_string("https") }, | |
54 { ngx_string(":status"), ngx_string("103") }, | |
55 { ngx_string(":status"), ngx_string("200") }, | |
56 { ngx_string(":status"), ngx_string("304") }, | |
57 { ngx_string(":status"), ngx_string("404") }, | |
58 { ngx_string(":status"), ngx_string("503") }, | |
59 { ngx_string("accept"), ngx_string("*/*") }, | |
60 { ngx_string("accept"), | |
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61 ngx_string("application/dns-message") }, |
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62 { ngx_string("accept-encoding"), ngx_string("gzip, deflate, br") }, |
8215 | 63 { ngx_string("accept-ranges"), ngx_string("bytes") }, |
64 { ngx_string("access-control-allow-headers"), | |
65 ngx_string("cache-control") }, | |
66 { ngx_string("access-control-allow-headers"), | |
67 ngx_string("content-type") }, | |
68 { ngx_string("access-control-allow-origin"), | |
69 ngx_string("*") }, | |
70 { ngx_string("cache-control"), ngx_string("max-age=0") }, | |
71 { ngx_string("cache-control"), ngx_string("max-age=2592000") }, | |
72 { ngx_string("cache-control"), ngx_string("max-age=604800") }, | |
73 { ngx_string("cache-control"), ngx_string("no-cache") }, | |
74 { ngx_string("cache-control"), ngx_string("no-store") }, | |
75 { ngx_string("cache-control"), | |
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76 ngx_string("public, max-age=31536000") }, |
8215 | 77 { ngx_string("content-encoding"), ngx_string("br") }, |
78 { ngx_string("content-encoding"), ngx_string("gzip") }, | |
79 { ngx_string("content-type"), | |
80 ngx_string("application/dns-message") }, | |
81 { ngx_string("content-type"), | |
82 ngx_string("application/javascript") }, | |
83 { ngx_string("content-type"), ngx_string("application/json") }, | |
84 { ngx_string("content-type"), | |
85 ngx_string("application/x-www-form-urlencoded") }, | |
86 { ngx_string("content-type"), ngx_string("image/gif") }, | |
87 { ngx_string("content-type"), ngx_string("image/jpeg") }, | |
88 { ngx_string("content-type"), ngx_string("image/png") }, | |
89 { ngx_string("content-type"), ngx_string("text/css") }, | |
90 { ngx_string("content-type"), | |
91 ngx_string("text/html;charset=utf-8") }, | |
92 { ngx_string("content-type"), ngx_string("text/plain") }, | |
93 { ngx_string("content-type"), | |
94 ngx_string("text/plain;charset=utf-8") }, | |
95 { ngx_string("range"), ngx_string("bytes=0-") }, | |
96 { ngx_string("strict-transport-security"), | |
97 ngx_string("max-age=31536000") }, | |
98 { ngx_string("strict-transport-security"), | |
99 ngx_string("max-age=31536000;includesubdomains") }, | |
100 { ngx_string("strict-transport-security"), | |
101 ngx_string("max-age=31536000;includesubdomains;preload") }, | |
102 { ngx_string("vary"), ngx_string("accept-encoding") }, | |
103 { ngx_string("vary"), ngx_string("origin") }, | |
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104 { ngx_string("x-content-type-options"), |
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105 ngx_string("nosniff") }, |
8215 | 106 { ngx_string("x-xss-protection"), ngx_string("1;mode=block") }, |
107 { ngx_string(":status"), ngx_string("100") }, | |
108 { ngx_string(":status"), ngx_string("204") }, | |
109 { ngx_string(":status"), ngx_string("206") }, | |
110 { ngx_string(":status"), ngx_string("302") }, | |
111 { ngx_string(":status"), ngx_string("400") }, | |
112 { ngx_string(":status"), ngx_string("403") }, | |
113 { ngx_string(":status"), ngx_string("421") }, | |
114 { ngx_string(":status"), ngx_string("425") }, | |
115 { ngx_string(":status"), ngx_string("500") }, | |
116 { ngx_string("accept-language"), ngx_string("") }, | |
117 { ngx_string("access-control-allow-credentials"), | |
118 ngx_string("FALSE") }, | |
119 { ngx_string("access-control-allow-credentials"), | |
120 ngx_string("TRUE") }, | |
121 { ngx_string("access-control-allow-headers"), | |
122 ngx_string("*") }, | |
123 { ngx_string("access-control-allow-methods"), | |
124 ngx_string("get") }, | |
125 { ngx_string("access-control-allow-methods"), | |
126 ngx_string("get, post, options") }, | |
127 { ngx_string("access-control-allow-methods"), | |
128 ngx_string("options") }, | |
129 { ngx_string("access-control-expose-headers"), | |
130 ngx_string("content-length") }, | |
131 { ngx_string("access-control-request-headers"), | |
132 ngx_string("content-type") }, | |
133 { ngx_string("access-control-request-method"), | |
134 ngx_string("get") }, | |
135 { ngx_string("access-control-request-method"), | |
136 ngx_string("post") }, | |
137 { ngx_string("alt-svc"), ngx_string("clear") }, | |
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138 { ngx_string("authorization"), ngx_string("") }, |
8215 | 139 { ngx_string("content-security-policy"), |
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140 ngx_string("script-src 'none';object-src 'none';base-uri 'none'") }, |
8215 | 141 { ngx_string("early-data"), ngx_string("1") }, |
142 { ngx_string("expect-ct"), ngx_string("") }, | |
143 { ngx_string("forwarded"), ngx_string("") }, | |
144 { ngx_string("if-range"), ngx_string("") }, | |
145 { ngx_string("origin"), ngx_string("") }, | |
146 { ngx_string("purpose"), ngx_string("prefetch") }, | |
147 { ngx_string("server"), ngx_string("") }, | |
148 { ngx_string("timing-allow-origin"), ngx_string("*") }, | |
149 { ngx_string("upgrade-insecure-requests"), | |
150 ngx_string("1") }, | |
151 { ngx_string("user-agent"), ngx_string("") }, | |
152 { ngx_string("x-forwarded-for"), ngx_string("") }, | |
153 { ngx_string("x-frame-options"), ngx_string("deny") }, | |
154 { ngx_string("x-frame-options"), ngx_string("sameorigin") } | |
155 }; | |
156 | |
157 | |
158 ngx_int_t | |
159 ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic, | |
160 ngx_uint_t index, ngx_str_t *value) | |
161 { | |
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162 ngx_str_t name; |
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163 ngx_http_v3_session_t *h3c; |
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164 ngx_http_v3_dynamic_table_t *dt; |
8215 | 165 |
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166 if (dynamic) { |
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167 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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168 "http3 ref insert dynamic[%ui] \"%V\"", index, value); |
8215 | 169 |
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170 h3c = ngx_http_v3_get_session(c); |
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171 dt = &h3c->table; |
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172 |
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173 if (dt->base + dt->nelts <= index) { |
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174 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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175 } |
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176 |
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177 index = dt->base + dt->nelts - 1 - index; |
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178 |
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179 if (ngx_http_v3_lookup(c, index, &name, NULL) != NGX_OK) { |
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180 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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181 } |
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182 |
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183 } else { |
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184 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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185 "http3 ref insert static[%ui] \"%V\"", index, value); |
8215 | 186 |
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187 if (ngx_http_v3_lookup_static(c, index, &name, NULL) != NGX_OK) { |
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188 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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189 } |
8215 | 190 } |
191 | |
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192 return ngx_http_v3_insert(c, &name, value); |
8215 | 193 } |
194 | |
195 | |
196 ngx_int_t | |
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197 ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name, ngx_str_t *value) |
8215 | 198 { |
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199 u_char *p; |
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200 size_t size; |
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201 ngx_http_v3_field_t *field; |
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202 ngx_http_v3_session_t *h3c; |
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203 ngx_http_v3_dynamic_table_t *dt; |
8215 | 204 |
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205 size = ngx_http_v3_table_entry_size(name, value); |
8215 | 206 |
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207 if (ngx_http_v3_evict(c, size) != NGX_OK) { |
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208 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
8215 | 209 } |
210 | |
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211 h3c = ngx_http_v3_get_session(c); |
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212 dt = &h3c->table; |
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213 |
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214 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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215 "http3 insert [%ui] \"%V\":\"%V\", size:%uz", |
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216 dt->base + dt->nelts, name, value, size); |
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217 |
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218 p = ngx_alloc(sizeof(ngx_http_v3_field_t) + name->len + value->len, |
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219 c->log); |
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220 if (p == NULL) { |
8215 | 221 return NGX_ERROR; |
222 } | |
223 | |
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224 field = (ngx_http_v3_field_t *) p; |
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225 |
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226 field->name.data = p + sizeof(ngx_http_v3_field_t); |
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227 field->name.len = name->len; |
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228 field->value.data = ngx_cpymem(field->name.data, name->data, name->len); |
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229 field->value.len = value->len; |
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230 ngx_memcpy(field->value.data, value->data, value->len); |
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231 |
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232 dt->elts[dt->nelts++] = field; |
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233 dt->size += size; |
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234 |
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235 dt->insert_count++; |
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236 |
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237 ngx_post_event(&dt->send_insert_count, &ngx_posted_events); |
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238 |
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239 if (ngx_http_v3_new_entry(c) != NGX_OK) { |
8215 | 240 return NGX_ERROR; |
241 } | |
242 | |
243 return NGX_OK; | |
244 } | |
245 | |
246 | |
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247 void |
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248 ngx_http_v3_inc_insert_count_handler(ngx_event_t *ev) |
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249 { |
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250 ngx_connection_t *c; |
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251 ngx_http_v3_session_t *h3c; |
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252 ngx_http_v3_dynamic_table_t *dt; |
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253 |
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254 c = ev->data; |
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255 |
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256 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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257 "http3 inc insert count handler"); |
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258 |
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259 h3c = ngx_http_v3_get_session(c); |
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260 dt = &h3c->table; |
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261 |
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262 if (dt->insert_count > dt->ack_insert_count) { |
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263 if (ngx_http_v3_send_inc_insert_count(c, |
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264 dt->insert_count - dt->ack_insert_count) |
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265 != NGX_OK) |
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266 { |
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267 return; |
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268 } |
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269 |
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270 dt->ack_insert_count = dt->insert_count; |
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271 } |
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272 } |
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273 |
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274 |
8215 | 275 ngx_int_t |
276 ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity) | |
277 { | |
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278 ngx_uint_t max, prev_max; |
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279 ngx_http_v3_field_t **elts; |
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280 ngx_http_v3_session_t *h3c; |
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281 ngx_http_v3_srv_conf_t *h3scf; |
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282 ngx_http_v3_dynamic_table_t *dt; |
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283 |
8215 | 284 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
285 "http3 set capacity %ui", capacity); | |
286 | |
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287 h3c = ngx_http_v3_get_session(c); |
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288 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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289 |
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290 if (capacity > h3scf->max_table_capacity) { |
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291 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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292 "client exceeded http3_max_table_capacity limit"); |
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293 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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294 } |
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295 |
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296 dt = &h3c->table; |
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297 |
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298 if (dt->size > capacity) { |
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299 if (ngx_http_v3_evict(c, dt->size - capacity) != NGX_OK) { |
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300 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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301 } |
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302 } |
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303 |
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304 max = capacity / 32; |
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305 prev_max = dt->capacity / 32; |
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306 |
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307 if (max > prev_max) { |
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308 elts = ngx_alloc(max * sizeof(void *), c->log); |
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309 if (elts == NULL) { |
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310 return NGX_ERROR; |
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311 } |
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312 |
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313 if (dt->elts) { |
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314 ngx_memcpy(elts, dt->elts, dt->nelts * sizeof(void *)); |
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315 ngx_free(dt->elts); |
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316 } |
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317 |
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318 dt->elts = elts; |
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319 } |
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320 |
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321 dt->capacity = capacity; |
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322 |
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323 return NGX_OK; |
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324 } |
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325 |
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326 |
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327 void |
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328 ngx_http_v3_cleanup_table(ngx_http_v3_session_t *h3c) |
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329 { |
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330 ngx_uint_t n; |
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331 ngx_http_v3_dynamic_table_t *dt; |
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332 |
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333 dt = &h3c->table; |
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334 |
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335 if (dt->elts == NULL) { |
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336 return; |
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337 } |
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338 |
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339 for (n = 0; n < dt->nelts; n++) { |
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340 ngx_free(dt->elts[n]); |
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341 } |
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342 |
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343 ngx_free(dt->elts); |
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344 } |
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345 |
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346 |
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347 static ngx_int_t |
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348 ngx_http_v3_evict(ngx_connection_t *c, size_t need) |
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349 { |
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350 size_t size, target; |
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351 ngx_uint_t n; |
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352 ngx_http_v3_field_t *field; |
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353 ngx_http_v3_session_t *h3c; |
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354 ngx_http_v3_dynamic_table_t *dt; |
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355 |
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356 h3c = ngx_http_v3_get_session(c); |
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357 dt = &h3c->table; |
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358 |
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359 if (need > dt->capacity) { |
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360 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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361 "not enough dynamic table capacity"); |
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362 return NGX_ERROR; |
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363 } |
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364 |
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365 target = dt->capacity - need; |
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366 n = 0; |
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367 |
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368 while (dt->size > target) { |
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369 field = dt->elts[n++]; |
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370 size = ngx_http_v3_table_entry_size(&field->name, &field->value); |
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371 |
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372 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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373 "http3 evict [%ui] \"%V\":\"%V\" size:%uz", |
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374 dt->base, &field->name, &field->value, size); |
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375 |
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376 ngx_free(field); |
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377 dt->size -= size; |
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378 } |
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379 |
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380 if (n) { |
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381 dt->nelts -= n; |
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382 dt->base += n; |
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383 ngx_memmove(dt->elts, &dt->elts[n], dt->nelts * sizeof(void *)); |
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384 } |
8215 | 385 |
386 return NGX_OK; | |
387 } | |
388 | |
389 | |
390 ngx_int_t | |
391 ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index) | |
392 { | |
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393 ngx_str_t name, value; |
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394 ngx_http_v3_session_t *h3c; |
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395 ngx_http_v3_dynamic_table_t *dt; |
8215 | 396 |
397 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 duplicate %ui", index); | |
398 | |
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399 h3c = ngx_http_v3_get_session(c); |
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400 dt = &h3c->table; |
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401 |
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402 if (dt->base + dt->nelts <= index) { |
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403 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
8215 | 404 } |
405 | |
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406 index = dt->base + dt->nelts - 1 - index; |
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407 |
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408 if (ngx_http_v3_lookup(c, index, &name, &value) != NGX_OK) { |
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409 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
8215 | 410 } |
411 | |
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412 return ngx_http_v3_insert(c, &name, &value); |
8215 | 413 } |
414 | |
415 | |
416 ngx_int_t | |
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417 ngx_http_v3_ack_section(ngx_connection_t *c, ngx_uint_t stream_id) |
8215 | 418 { |
419 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
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420 "http3 ack section %ui", stream_id); |
8215 | 421 |
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422 /* we do not use dynamic tables */ |
8215 | 423 |
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424 return NGX_HTTP_V3_ERR_DECODER_STREAM_ERROR; |
8215 | 425 } |
426 | |
427 | |
428 ngx_int_t | |
429 ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc) | |
430 { | |
431 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
432 "http3 increment insert count %ui", inc); | |
433 | |
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434 /* we do not use dynamic tables */ |
8215 | 435 |
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436 return NGX_HTTP_V3_ERR_DECODER_STREAM_ERROR; |
8215 | 437 } |
438 | |
439 | |
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440 ngx_int_t |
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441 ngx_http_v3_lookup_static(ngx_connection_t *c, ngx_uint_t index, |
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442 ngx_str_t *name, ngx_str_t *value) |
8215 | 443 { |
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444 ngx_uint_t nelts; |
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445 ngx_http_v3_field_t *field; |
8215 | 446 |
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447 nelts = sizeof(ngx_http_v3_static_table) |
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448 / sizeof(ngx_http_v3_static_table[0]); |
8215 | 449 |
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450 if (index >= nelts) { |
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451 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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452 "http3 static[%ui] lookup out of bounds: %ui", |
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453 index, nelts); |
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454 return NGX_ERROR; |
8215 | 455 } |
456 | |
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457 field = &ngx_http_v3_static_table[index]; |
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458 |
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459 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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460 "http3 static[%ui] lookup \"%V\":\"%V\"", |
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461 index, &field->name, &field->value); |
8215 | 462 |
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463 if (name) { |
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464 *name = field->name; |
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465 } |
8215 | 466 |
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467 if (value) { |
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468 *value = field->value; |
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469 } |
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470 |
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471 return NGX_OK; |
8215 | 472 } |
473 | |
474 | |
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475 ngx_int_t |
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476 ngx_http_v3_lookup(ngx_connection_t *c, ngx_uint_t index, ngx_str_t *name, |
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477 ngx_str_t *value) |
8215 | 478 { |
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479 ngx_http_v3_field_t *field; |
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480 ngx_http_v3_session_t *h3c; |
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481 ngx_http_v3_dynamic_table_t *dt; |
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482 |
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483 h3c = ngx_http_v3_get_session(c); |
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484 dt = &h3c->table; |
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485 |
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486 if (index < dt->base || index - dt->base >= dt->nelts) { |
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487 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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488 "http3 dynamic[%ui] lookup out of bounds: [%ui,%ui]", |
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489 index, dt->base, dt->base + dt->nelts); |
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490 return NGX_ERROR; |
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491 } |
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492 |
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493 field = dt->elts[index - dt->base]; |
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494 |
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495 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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496 "http3 dynamic[%ui] lookup \"%V\":\"%V\"", |
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497 index, &field->name, &field->value); |
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498 |
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499 if (name) { |
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Sergey Kandaurov <pluknet@nginx.com>
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diff
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|
500 *name = field->name; |
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|
501 } |
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|
502 |
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changeset
|
503 if (value) { |
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Sergey Kandaurov <pluknet@nginx.com>
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diff
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|
504 *value = field->value; |
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|
505 } |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
506 |
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HTTP/3: refactored dynamic table implementation.
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diff
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|
507 return NGX_OK; |
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|
508 } |
8215 | 509 |
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parents:
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diff
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|
510 |
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diff
changeset
|
511 ngx_int_t |
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diff
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|
512 ngx_http_v3_decode_insert_count(ngx_connection_t *c, ngx_uint_t *insert_count) |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
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|
513 { |
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diff
changeset
|
514 ngx_uint_t max_entries, full_range, max_value, |
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diff
changeset
|
515 max_wrapped, req_insert_count; |
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65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
516 ngx_http_v3_srv_conf_t *h3scf; |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
517 ngx_http_v3_session_t *h3c; |
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
518 ngx_http_v3_dynamic_table_t *dt; |
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HTTP/3: refactored dynamic table implementation.
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diff
changeset
|
519 |
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HTTP/3: refactored dynamic table implementation.
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diff
changeset
|
520 /* QPACK 4.5.1.1. Required Insert Count */ |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
521 |
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changeset
|
522 if (*insert_count == 0) { |
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HTTP/3: refactored dynamic table implementation.
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|
523 return NGX_OK; |
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diff
changeset
|
524 } |
8215 | 525 |
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40d710a66aef
HTTP/3: ngx_http_v3_get_session() macro.
Roman Arutyunyan <arut@nginx.com>
parents:
8767
diff
changeset
|
526 h3c = ngx_http_v3_get_session(c); |
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diff
changeset
|
527 dt = &h3c->table; |
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diff
changeset
|
528 |
8769
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
529 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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diff
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|
530 |
8492
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
8460
diff
changeset
|
531 max_entries = h3scf->max_table_capacity / 32; |
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diff
changeset
|
532 full_range = 2 * max_entries; |
c9538aef3211
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diff
changeset
|
533 |
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|
534 if (*insert_count > full_range) { |
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72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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|
535 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
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|
536 } |
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|
537 |
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|
538 max_value = dt->base + dt->nelts + max_entries; |
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parents:
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diff
changeset
|
539 max_wrapped = (max_value / full_range) * full_range; |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
540 req_insert_count = max_wrapped + *insert_count - 1; |
c9538aef3211
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parents:
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diff
changeset
|
541 |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
542 if (req_insert_count > max_value) { |
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Roman Arutyunyan <arut@nginx.com>
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changeset
|
543 if (req_insert_count <= full_range) { |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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|
544 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
8215 | 545 } |
546 | |
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diff
changeset
|
547 req_insert_count -= full_range; |
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diff
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|
548 } |
8215 | 549 |
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Roman Arutyunyan <arut@nginx.com>
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diff
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|
550 if (req_insert_count == 0) { |
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Roman Arutyunyan <arut@nginx.com>
parents:
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|
551 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
8215 | 552 } |
553 | |
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|
554 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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diff
changeset
|
555 "http3 decode insert_count %ui -> %ui", |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
556 *insert_count, req_insert_count); |
8215 | 557 |
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|
558 *insert_count = req_insert_count; |
8215 | 559 |
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changeset
|
560 return NGX_OK; |
8215 | 561 } |
562 | |
563 | |
564 ngx_int_t | |
565 ngx_http_v3_check_insert_count(ngx_connection_t *c, ngx_uint_t insert_count) | |
566 { | |
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diff
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|
567 size_t n; |
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diff
changeset
|
568 ngx_pool_cleanup_t *cln; |
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diff
changeset
|
569 ngx_http_v3_block_t *block; |
8770
67f0eb150047
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
570 ngx_http_v3_session_t *h3c; |
8492
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HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
571 ngx_http_v3_srv_conf_t *h3scf; |
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changeset
|
572 ngx_http_v3_dynamic_table_t *dt; |
8215 | 573 |
8768
40d710a66aef
HTTP/3: ngx_http_v3_get_session() macro.
Roman Arutyunyan <arut@nginx.com>
parents:
8767
diff
changeset
|
574 h3c = ngx_http_v3_get_session(c); |
8456
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diff
changeset
|
575 dt = &h3c->table; |
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parents:
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diff
changeset
|
576 |
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parents:
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diff
changeset
|
577 n = dt->base + dt->nelts; |
8215 | 578 |
579 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
8456
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diff
changeset
|
580 "http3 check insert count req:%ui, have:%ui", |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
581 insert_count, n); |
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diff
changeset
|
582 |
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parents:
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diff
changeset
|
583 if (n >= insert_count) { |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
584 return NGX_OK; |
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diff
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|
585 } |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
586 |
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HTTP/3: refactored dynamic table implementation.
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diff
changeset
|
587 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 block stream"); |
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HTTP/3: refactored dynamic table implementation.
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parents:
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diff
changeset
|
588 |
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parents:
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diff
changeset
|
589 block = NULL; |
8215 | 590 |
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diff
changeset
|
591 for (cln = c->pool->cleanup; cln; cln = cln->next) { |
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HTTP/3: refactored dynamic table implementation.
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parents:
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diff
changeset
|
592 if (cln->handler == ngx_http_v3_unblock) { |
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parents:
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diff
changeset
|
593 block = cln->data; |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
594 break; |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
595 } |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
596 } |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
597 |
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HTTP/3: refactored dynamic table implementation.
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parents:
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diff
changeset
|
598 if (block == NULL) { |
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diff
changeset
|
599 cln = ngx_pool_cleanup_add(c->pool, sizeof(ngx_http_v3_block_t)); |
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diff
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|
600 if (cln == NULL) { |
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diff
changeset
|
601 return NGX_ERROR; |
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parents:
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diff
changeset
|
602 } |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
603 |
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HTTP/3: refactored dynamic table implementation.
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diff
changeset
|
604 cln->handler = ngx_http_v3_unblock; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
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diff
changeset
|
605 |
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diff
changeset
|
606 block = cln->data; |
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diff
changeset
|
607 block->queue.prev = NULL; |
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diff
changeset
|
608 block->connection = c; |
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diff
changeset
|
609 block->nblocked = &h3c->nblocked; |
8215 | 610 } |
611 | |
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|
612 if (block->queue.prev == NULL) { |
8769
9ec3e71f8a61
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
613 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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diff
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|
614 |
8492
65c1fc5fae15
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Roman Arutyunyan <arut@nginx.com>
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8460
diff
changeset
|
615 if (h3c->nblocked == h3scf->max_blocked_streams) { |
8456
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diff
changeset
|
616 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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diff
changeset
|
617 "client exceeded http3_max_blocked_streams limit"); |
8902
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
618 |
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HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
619 ngx_http_v3_finalize_connection(c, |
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HTTP/3: adjusted QUIC connection finalization.
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diff
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|
620 NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED, |
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HTTP/3: adjusted QUIC connection finalization.
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diff
changeset
|
621 "too many blocked streams"); |
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72f9ff4e0a88
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parents:
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diff
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|
622 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
8456
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diff
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|
623 } |
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parents:
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diff
changeset
|
624 |
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diff
changeset
|
625 h3c->nblocked++; |
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diff
changeset
|
626 ngx_queue_insert_tail(&h3c->blocked, &block->queue); |
c9538aef3211
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Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
627 } |
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Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
628 |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
629 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
630 "http3 blocked:%ui", h3c->nblocked); |
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
631 |
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632 return NGX_BUSY; |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
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|
633 } |
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|
634 |
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diff
changeset
|
635 |
8989
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HTTP/3: delayed Insert Count Increment instruction.
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diff
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|
636 void |
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|
637 ngx_http_v3_ack_insert_count(ngx_connection_t *c, uint64_t insert_count) |
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diff
changeset
|
638 { |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
639 ngx_http_v3_session_t *h3c; |
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parents:
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diff
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|
640 ngx_http_v3_dynamic_table_t *dt; |
81a3429db8b0
HTTP/3: delayed Insert Count Increment instruction.
Roman Arutyunyan <arut@nginx.com>
parents:
8925
diff
changeset
|
641 |
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Roman Arutyunyan <arut@nginx.com>
parents:
8925
diff
changeset
|
642 h3c = ngx_http_v3_get_session(c); |
81a3429db8b0
HTTP/3: delayed Insert Count Increment instruction.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
643 dt = &h3c->table; |
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HTTP/3: delayed Insert Count Increment instruction.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
644 |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
645 if (dt->ack_insert_count < insert_count) { |
81a3429db8b0
HTTP/3: delayed Insert Count Increment instruction.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
646 dt->ack_insert_count = insert_count; |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
647 } |
81a3429db8b0
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
648 } |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
649 |
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HTTP/3: delayed Insert Count Increment instruction.
Roman Arutyunyan <arut@nginx.com>
parents:
8925
diff
changeset
|
650 |
8456
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
651 static void |
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HTTP/3: refactored dynamic table implementation.
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parents:
8409
diff
changeset
|
652 ngx_http_v3_unblock(void *data) |
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Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
653 { |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
654 ngx_http_v3_block_t *block = data; |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
655 |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
656 if (block->queue.prev) { |
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Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
657 ngx_queue_remove(&block->queue); |
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parents:
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diff
changeset
|
658 block->queue.prev = NULL; |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
659 (*block->nblocked)--; |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
660 } |
8215 | 661 } |
662 | |
663 | |
664 static ngx_int_t | |
8807
0ac25efb2da3
HTTP/3: quic-qpack term updates.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8785
diff
changeset
|
665 ngx_http_v3_new_entry(ngx_connection_t *c) |
8215 | 666 { |
8770
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8769
diff
changeset
|
667 ngx_queue_t *q; |
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8769
diff
changeset
|
668 ngx_connection_t *bc; |
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8769
diff
changeset
|
669 ngx_http_v3_block_t *block; |
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8769
diff
changeset
|
670 ngx_http_v3_session_t *h3c; |
8456
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
671 |
8768
40d710a66aef
HTTP/3: ngx_http_v3_get_session() macro.
Roman Arutyunyan <arut@nginx.com>
parents:
8767
diff
changeset
|
672 h3c = ngx_http_v3_get_session(c); |
8456
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parents:
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diff
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|
673 |
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diff
changeset
|
674 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
8807
0ac25efb2da3
HTTP/3: quic-qpack term updates.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8785
diff
changeset
|
675 "http3 new dynamic entry, blocked:%ui", h3c->nblocked); |
8215 | 676 |
8456
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parents:
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diff
changeset
|
677 while (!ngx_queue_empty(&h3c->blocked)) { |
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diff
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|
678 q = ngx_queue_head(&h3c->blocked); |
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diff
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|
679 block = (ngx_http_v3_block_t *) q; |
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diff
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|
680 bc = block->connection; |
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|
681 |
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changeset
|
682 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, bc->log, 0, "http3 unblock stream"); |
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
683 |
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|
684 ngx_http_v3_unblock(block); |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
685 ngx_post_event(bc->read, &ngx_posted_events); |
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
686 } |
8215 | 687 |
688 return NGX_OK; | |
689 } | |
8226
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Refactored HTTP/3 parser.
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diff
changeset
|
690 |
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Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
691 |
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diff
changeset
|
692 ngx_int_t |
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|
693 ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id, uint64_t value) |
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diff
changeset
|
694 { |
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parents:
8215
diff
changeset
|
695 switch (id) { |
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Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
696 |
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Refactored HTTP/3 parser.
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parents:
8215
diff
changeset
|
697 case NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY: |
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parents:
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diff
changeset
|
698 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
699 "http3 param QPACK_MAX_TABLE_CAPACITY:%uL", value); |
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Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
700 break; |
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Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
701 |
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parents:
8215
diff
changeset
|
702 case NGX_HTTP_V3_PARAM_MAX_HEADER_LIST_SIZE: |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
703 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
704 "http3 param SETTINGS_MAX_HEADER_LIST_SIZE:%uL", value); |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
705 break; |
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Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
706 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
707 case NGX_HTTP_V3_PARAM_BLOCKED_STREAMS: |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
708 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
709 "http3 param QPACK_BLOCKED_STREAMS:%uL", value); |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
710 break; |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
711 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
712 default: |
268f4389130d
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Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
713 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
714 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
715 "http3 param #%uL:%uL", id, value); |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
716 } |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
717 |
268f4389130d
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Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
718 return NGX_OK; |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
719 } |