Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_tables.c @ 8770:67f0eb150047 quic
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Wed, 05 May 2021 12:54:10 +0300 |
parents | 9ec3e71f8a61 |
children | 0981329169ea |
rev | line source |
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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_cleanup_table(void *data); |
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18 static void ngx_http_v3_unblock(void *data); |
8215 | 19 static ngx_int_t ngx_http_v3_new_header(ngx_connection_t *c); |
20 | |
21 | |
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22 typedef struct { |
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23 ngx_queue_t queue; |
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24 ngx_connection_t *connection; |
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25 ngx_uint_t *nblocked; |
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26 } ngx_http_v3_block_t; |
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27 |
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28 |
8215 | 29 static ngx_http_v3_header_t ngx_http_v3_static_table[] = { |
30 | |
31 { ngx_string(":authority"), ngx_string("") }, | |
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32 { ngx_string(":path"), ngx_string("/") }, |
8215 | 33 { ngx_string("age"), ngx_string("0") }, |
34 { ngx_string("content-disposition"), ngx_string("") }, | |
35 { ngx_string("content-length"), ngx_string("0") }, | |
36 { ngx_string("cookie"), ngx_string("") }, | |
37 { ngx_string("date"), ngx_string("") }, | |
38 { ngx_string("etag"), ngx_string("") }, | |
39 { ngx_string("if-modified-since"), ngx_string("") }, | |
40 { ngx_string("if-none-match"), ngx_string("") }, | |
41 { ngx_string("last-modified"), ngx_string("") }, | |
42 { ngx_string("link"), ngx_string("") }, | |
43 { ngx_string("location"), ngx_string("") }, | |
44 { ngx_string("referer"), ngx_string("") }, | |
45 { ngx_string("set-cookie"), ngx_string("") }, | |
46 { ngx_string(":method"), ngx_string("CONNECT") }, | |
47 { ngx_string(":method"), ngx_string("DELETE") }, | |
48 { ngx_string(":method"), ngx_string("GET") }, | |
49 { ngx_string(":method"), ngx_string("HEAD") }, | |
50 { ngx_string(":method"), ngx_string("OPTIONS") }, | |
51 { ngx_string(":method"), ngx_string("POST") }, | |
52 { ngx_string(":method"), ngx_string("PUT") }, | |
53 { ngx_string(":scheme"), ngx_string("http") }, | |
54 { ngx_string(":scheme"), ngx_string("https") }, | |
55 { ngx_string(":status"), ngx_string("103") }, | |
56 { ngx_string(":status"), ngx_string("200") }, | |
57 { ngx_string(":status"), ngx_string("304") }, | |
58 { ngx_string(":status"), ngx_string("404") }, | |
59 { ngx_string(":status"), ngx_string("503") }, | |
60 { ngx_string("accept"), ngx_string("*/*") }, | |
61 { ngx_string("accept"), | |
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62 ngx_string("application/dns-message") }, |
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63 { ngx_string("accept-encoding"), ngx_string("gzip, deflate, br") }, |
8215 | 64 { ngx_string("accept-ranges"), ngx_string("bytes") }, |
65 { ngx_string("access-control-allow-headers"), | |
66 ngx_string("cache-control") }, | |
67 { ngx_string("access-control-allow-headers"), | |
68 ngx_string("content-type") }, | |
69 { ngx_string("access-control-allow-origin"), | |
70 ngx_string("*") }, | |
71 { ngx_string("cache-control"), ngx_string("max-age=0") }, | |
72 { ngx_string("cache-control"), ngx_string("max-age=2592000") }, | |
73 { ngx_string("cache-control"), ngx_string("max-age=604800") }, | |
74 { ngx_string("cache-control"), ngx_string("no-cache") }, | |
75 { ngx_string("cache-control"), ngx_string("no-store") }, | |
76 { ngx_string("cache-control"), | |
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77 ngx_string("public, max-age=31536000") }, |
8215 | 78 { ngx_string("content-encoding"), ngx_string("br") }, |
79 { ngx_string("content-encoding"), ngx_string("gzip") }, | |
80 { ngx_string("content-type"), | |
81 ngx_string("application/dns-message") }, | |
82 { ngx_string("content-type"), | |
83 ngx_string("application/javascript") }, | |
84 { ngx_string("content-type"), ngx_string("application/json") }, | |
85 { ngx_string("content-type"), | |
86 ngx_string("application/x-www-form-urlencoded") }, | |
87 { ngx_string("content-type"), ngx_string("image/gif") }, | |
88 { ngx_string("content-type"), ngx_string("image/jpeg") }, | |
89 { ngx_string("content-type"), ngx_string("image/png") }, | |
90 { ngx_string("content-type"), ngx_string("text/css") }, | |
91 { ngx_string("content-type"), | |
92 ngx_string("text/html;charset=utf-8") }, | |
93 { ngx_string("content-type"), ngx_string("text/plain") }, | |
94 { ngx_string("content-type"), | |
95 ngx_string("text/plain;charset=utf-8") }, | |
96 { ngx_string("range"), ngx_string("bytes=0-") }, | |
97 { ngx_string("strict-transport-security"), | |
98 ngx_string("max-age=31536000") }, | |
99 { ngx_string("strict-transport-security"), | |
100 ngx_string("max-age=31536000;includesubdomains") }, | |
101 { ngx_string("strict-transport-security"), | |
102 ngx_string("max-age=31536000;includesubdomains;preload") }, | |
103 { ngx_string("vary"), ngx_string("accept-encoding") }, | |
104 { ngx_string("vary"), ngx_string("origin") }, | |
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105 { ngx_string("x-content-type-options"), |
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106 ngx_string("nosniff") }, |
8215 | 107 { ngx_string("x-xss-protection"), ngx_string("1;mode=block") }, |
108 { ngx_string(":status"), ngx_string("100") }, | |
109 { ngx_string(":status"), ngx_string("204") }, | |
110 { ngx_string(":status"), ngx_string("206") }, | |
111 { ngx_string(":status"), ngx_string("302") }, | |
112 { ngx_string(":status"), ngx_string("400") }, | |
113 { ngx_string(":status"), ngx_string("403") }, | |
114 { ngx_string(":status"), ngx_string("421") }, | |
115 { ngx_string(":status"), ngx_string("425") }, | |
116 { ngx_string(":status"), ngx_string("500") }, | |
117 { ngx_string("accept-language"), ngx_string("") }, | |
118 { ngx_string("access-control-allow-credentials"), | |
119 ngx_string("FALSE") }, | |
120 { ngx_string("access-control-allow-credentials"), | |
121 ngx_string("TRUE") }, | |
122 { ngx_string("access-control-allow-headers"), | |
123 ngx_string("*") }, | |
124 { ngx_string("access-control-allow-methods"), | |
125 ngx_string("get") }, | |
126 { ngx_string("access-control-allow-methods"), | |
127 ngx_string("get, post, options") }, | |
128 { ngx_string("access-control-allow-methods"), | |
129 ngx_string("options") }, | |
130 { ngx_string("access-control-expose-headers"), | |
131 ngx_string("content-length") }, | |
132 { ngx_string("access-control-request-headers"), | |
133 ngx_string("content-type") }, | |
134 { ngx_string("access-control-request-method"), | |
135 ngx_string("get") }, | |
136 { ngx_string("access-control-request-method"), | |
137 ngx_string("post") }, | |
138 { ngx_string("alt-svc"), ngx_string("clear") }, | |
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139 { ngx_string("authorization"), ngx_string("") }, |
8215 | 140 { ngx_string("content-security-policy"), |
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141 ngx_string("script-src 'none';object-src 'none';base-uri 'none'") }, |
8215 | 142 { ngx_string("early-data"), ngx_string("1") }, |
143 { ngx_string("expect-ct"), ngx_string("") }, | |
144 { ngx_string("forwarded"), ngx_string("") }, | |
145 { ngx_string("if-range"), ngx_string("") }, | |
146 { ngx_string("origin"), ngx_string("") }, | |
147 { ngx_string("purpose"), ngx_string("prefetch") }, | |
148 { ngx_string("server"), ngx_string("") }, | |
149 { ngx_string("timing-allow-origin"), ngx_string("*") }, | |
150 { ngx_string("upgrade-insecure-requests"), | |
151 ngx_string("1") }, | |
152 { ngx_string("user-agent"), ngx_string("") }, | |
153 { ngx_string("x-forwarded-for"), ngx_string("") }, | |
154 { ngx_string("x-frame-options"), ngx_string("deny") }, | |
155 { ngx_string("x-frame-options"), ngx_string("sameorigin") } | |
156 }; | |
157 | |
158 | |
159 ngx_int_t | |
160 ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic, | |
161 ngx_uint_t index, ngx_str_t *value) | |
162 { | |
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163 ngx_str_t name; |
8215 | 164 |
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165 if (dynamic) { |
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166 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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167 "http3 ref insert dynamic[%ui] \"%V\"", index, value); |
8215 | 168 |
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169 if (ngx_http_v3_lookup(c, index, &name, NULL) != NGX_OK) { |
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170 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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171 } |
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172 |
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173 } else { |
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174 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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175 "http3 ref insert static[%ui] \"%V\"", index, value); |
8215 | 176 |
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177 if (ngx_http_v3_lookup_static(c, index, &name, NULL) != NGX_OK) { |
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178 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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179 } |
8215 | 180 } |
181 | |
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182 return ngx_http_v3_insert(c, &name, value); |
8215 | 183 } |
184 | |
185 | |
186 ngx_int_t | |
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187 ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name, ngx_str_t *value) |
8215 | 188 { |
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189 u_char *p; |
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190 size_t size; |
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191 ngx_http_v3_header_t *h; |
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192 ngx_http_v3_session_t *h3c; |
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193 ngx_http_v3_dynamic_table_t *dt; |
8215 | 194 |
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195 size = ngx_http_v3_table_entry_size(name, value); |
8215 | 196 |
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197 if (ngx_http_v3_evict(c, size) != NGX_OK) { |
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198 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
8215 | 199 } |
200 | |
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201 h3c = ngx_http_v3_get_session(c); |
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202 dt = &h3c->table; |
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203 |
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204 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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205 "http3 insert [%ui] \"%V\":\"%V\", size:%uz", |
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206 dt->base + dt->nelts, name, value, size); |
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207 |
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208 p = ngx_alloc(sizeof(ngx_http_v3_header_t) + name->len + value->len, |
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209 c->log); |
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210 if (p == NULL) { |
8215 | 211 return NGX_ERROR; |
212 } | |
213 | |
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214 h = (ngx_http_v3_header_t *) p; |
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215 |
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216 h->name.data = p + sizeof(ngx_http_v3_header_t); |
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217 h->name.len = name->len; |
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218 h->value.data = ngx_cpymem(h->name.data, name->data, name->len); |
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219 h->value.len = value->len; |
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220 ngx_memcpy(h->value.data, value->data, value->len); |
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221 |
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222 dt->elts[dt->nelts++] = h; |
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223 dt->size += size; |
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224 |
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225 /* TODO increment can be sent less often */ |
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226 |
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227 if (ngx_http_v3_client_inc_insert_count(c, 1) != NGX_OK) { |
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228 return NGX_ERROR; |
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229 } |
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230 |
8215 | 231 if (ngx_http_v3_new_header(c) != NGX_OK) { |
232 return NGX_ERROR; | |
233 } | |
234 | |
235 return NGX_OK; | |
236 } | |
237 | |
238 | |
239 ngx_int_t | |
240 ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity) | |
241 { | |
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242 ngx_uint_t max, prev_max; |
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243 ngx_connection_t *pc; |
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244 ngx_pool_cleanup_t *cln; |
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245 ngx_http_v3_header_t **elts; |
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246 ngx_http_v3_session_t *h3c; |
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247 ngx_http_v3_srv_conf_t *h3scf; |
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248 ngx_http_v3_dynamic_table_t *dt; |
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249 |
8215 | 250 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
251 "http3 set capacity %ui", capacity); | |
252 | |
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253 h3c = ngx_http_v3_get_session(c); |
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254 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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255 |
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256 if (capacity > h3scf->max_table_capacity) { |
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257 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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258 "client exceeded http3_max_table_capacity limit"); |
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259 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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260 } |
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261 |
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262 dt = &h3c->table; |
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263 |
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264 if (dt->size > capacity) { |
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265 if (ngx_http_v3_evict(c, dt->size - capacity) != NGX_OK) { |
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266 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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267 } |
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268 } |
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269 |
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270 max = capacity / 32; |
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271 prev_max = dt->capacity / 32; |
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272 |
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273 if (max > prev_max) { |
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274 elts = ngx_alloc(max * sizeof(void *), c->log); |
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275 if (elts == NULL) { |
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276 return NGX_ERROR; |
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277 } |
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278 |
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279 if (dt->elts == NULL) { |
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280 pc = c->quic->parent; |
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281 |
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282 cln = ngx_pool_cleanup_add(pc->pool, 0); |
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283 if (cln == NULL) { |
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284 return NGX_ERROR; |
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285 } |
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286 |
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287 cln->handler = ngx_http_v3_cleanup_table; |
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288 cln->data = dt; |
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289 |
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290 } else { |
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291 ngx_memcpy(elts, dt->elts, dt->nelts * sizeof(void *)); |
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292 ngx_free(dt->elts); |
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293 } |
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294 |
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295 dt->elts = elts; |
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296 } |
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297 |
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298 dt->capacity = capacity; |
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299 |
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300 return NGX_OK; |
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301 } |
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302 |
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303 |
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304 static void |
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305 ngx_http_v3_cleanup_table(void *data) |
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306 { |
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307 ngx_http_v3_dynamic_table_t *dt = data; |
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308 |
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309 ngx_uint_t n; |
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310 |
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311 for (n = 0; n < dt->nelts; n++) { |
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312 ngx_free(dt->elts[n]); |
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313 } |
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314 |
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315 ngx_free(dt->elts); |
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316 } |
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317 |
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318 |
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319 static ngx_int_t |
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320 ngx_http_v3_evict(ngx_connection_t *c, size_t need) |
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321 { |
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322 size_t size, target; |
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323 ngx_uint_t n; |
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324 ngx_http_v3_header_t *h; |
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325 ngx_http_v3_session_t *h3c; |
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326 ngx_http_v3_dynamic_table_t *dt; |
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327 |
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328 h3c = ngx_http_v3_get_session(c); |
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329 dt = &h3c->table; |
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330 |
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331 if (need > dt->capacity) { |
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332 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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333 "not enough dynamic table capacity"); |
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334 return NGX_ERROR; |
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335 } |
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336 |
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337 target = dt->capacity - need; |
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338 n = 0; |
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339 |
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340 while (dt->size > target) { |
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341 h = dt->elts[n++]; |
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342 size = ngx_http_v3_table_entry_size(&h->name, &h->value); |
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343 |
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344 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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345 "http3 evict [%ui] \"%V\":\"%V\" size:%uz", |
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346 dt->base, &h->name, &h->value, size); |
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347 |
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348 ngx_free(h); |
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349 dt->size -= size; |
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350 } |
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351 |
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352 if (n) { |
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353 dt->nelts -= n; |
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354 dt->base += n; |
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355 ngx_memmove(dt->elts, &dt->elts[n], dt->nelts * sizeof(void *)); |
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356 } |
8215 | 357 |
358 return NGX_OK; | |
359 } | |
360 | |
361 | |
362 ngx_int_t | |
363 ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index) | |
364 { | |
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365 ngx_str_t name, value; |
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366 ngx_http_v3_session_t *h3c; |
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367 ngx_http_v3_dynamic_table_t *dt; |
8215 | 368 |
369 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 duplicate %ui", index); | |
370 | |
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371 h3c = ngx_http_v3_get_session(c); |
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372 dt = &h3c->table; |
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373 |
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374 if (dt->base + dt->nelts <= index) { |
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375 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
8215 | 376 } |
377 | |
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378 index = dt->base + dt->nelts - 1 - index; |
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379 |
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380 if (ngx_http_v3_lookup(c, index, &name, &value) != NGX_OK) { |
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381 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
8215 | 382 } |
383 | |
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384 return ngx_http_v3_insert(c, &name, &value); |
8215 | 385 } |
386 | |
387 | |
388 ngx_int_t | |
389 ngx_http_v3_ack_header(ngx_connection_t *c, ngx_uint_t stream_id) | |
390 { | |
391 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
392 "http3 ack header %ui", stream_id); | |
393 | |
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394 /* we do not use dynamic tables */ |
8215 | 395 |
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396 return NGX_HTTP_V3_ERR_DECODER_STREAM_ERROR; |
8215 | 397 } |
398 | |
399 | |
400 ngx_int_t | |
401 ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc) | |
402 { | |
403 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
404 "http3 increment insert count %ui", inc); | |
405 | |
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406 /* we do not use dynamic tables */ |
8215 | 407 |
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408 return NGX_HTTP_V3_ERR_DECODER_STREAM_ERROR; |
8215 | 409 } |
410 | |
411 | |
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412 ngx_int_t |
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413 ngx_http_v3_lookup_static(ngx_connection_t *c, ngx_uint_t index, |
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414 ngx_str_t *name, ngx_str_t *value) |
8215 | 415 { |
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416 ngx_uint_t nelts; |
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417 ngx_http_v3_header_t *h; |
8215 | 418 |
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419 nelts = sizeof(ngx_http_v3_static_table) |
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420 / sizeof(ngx_http_v3_static_table[0]); |
8215 | 421 |
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422 if (index >= nelts) { |
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423 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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424 "http3 static[%ui] lookup out of bounds: %ui", |
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425 index, nelts); |
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426 return NGX_ERROR; |
8215 | 427 } |
428 | |
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429 h = &ngx_http_v3_static_table[index]; |
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430 |
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431 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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432 "http3 static[%ui] lookup \"%V\":\"%V\"", |
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433 index, &h->name, &h->value); |
8215 | 434 |
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435 if (name) { |
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436 *name = h->name; |
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437 } |
8215 | 438 |
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439 if (value) { |
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440 *value = h->value; |
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441 } |
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442 |
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443 return NGX_OK; |
8215 | 444 } |
445 | |
446 | |
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447 ngx_int_t |
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448 ngx_http_v3_lookup(ngx_connection_t *c, ngx_uint_t index, ngx_str_t *name, |
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449 ngx_str_t *value) |
8215 | 450 { |
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451 ngx_http_v3_header_t *h; |
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452 ngx_http_v3_session_t *h3c; |
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453 ngx_http_v3_dynamic_table_t *dt; |
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454 |
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455 h3c = ngx_http_v3_get_session(c); |
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456 dt = &h3c->table; |
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457 |
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458 if (index < dt->base || index - dt->base >= dt->nelts) { |
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459 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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460 "http3 dynamic[%ui] lookup out of bounds: [%ui,%ui]", |
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461 index, dt->base, dt->base + dt->nelts); |
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462 return NGX_ERROR; |
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463 } |
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464 |
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465 h = dt->elts[index - dt->base]; |
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466 |
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467 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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468 "http3 dynamic[%ui] lookup \"%V\":\"%V\"", |
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469 index, &h->name, &h->value); |
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470 |
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471 if (name) { |
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472 *name = h->name; |
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473 } |
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474 |
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475 if (value) { |
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476 *value = h->value; |
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477 } |
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478 |
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479 return NGX_OK; |
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480 } |
8215 | 481 |
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482 |
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483 ngx_int_t |
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484 ngx_http_v3_decode_insert_count(ngx_connection_t *c, ngx_uint_t *insert_count) |
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485 { |
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486 ngx_uint_t max_entries, full_range, max_value, |
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487 max_wrapped, req_insert_count; |
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488 ngx_http_v3_srv_conf_t *h3scf; |
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489 ngx_http_v3_session_t *h3c; |
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490 ngx_http_v3_dynamic_table_t *dt; |
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491 |
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492 /* QPACK 4.5.1.1. Required Insert Count */ |
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493 |
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494 if (*insert_count == 0) { |
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495 return NGX_OK; |
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496 } |
8215 | 497 |
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498 h3c = ngx_http_v3_get_session(c); |
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499 dt = &h3c->table; |
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500 |
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501 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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502 |
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503 max_entries = h3scf->max_table_capacity / 32; |
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504 full_range = 2 * max_entries; |
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505 |
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506 if (*insert_count > full_range) { |
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507 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
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508 } |
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509 |
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510 max_value = dt->base + dt->nelts + max_entries; |
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511 max_wrapped = (max_value / full_range) * full_range; |
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512 req_insert_count = max_wrapped + *insert_count - 1; |
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513 |
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514 if (req_insert_count > max_value) { |
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515 if (req_insert_count <= full_range) { |
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516 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
8215 | 517 } |
518 | |
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519 req_insert_count -= full_range; |
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520 } |
8215 | 521 |
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522 if (req_insert_count == 0) { |
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523 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
8215 | 524 } |
525 | |
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526 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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527 "http3 decode insert_count %ui -> %ui", |
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528 *insert_count, req_insert_count); |
8215 | 529 |
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530 *insert_count = req_insert_count; |
8215 | 531 |
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532 return NGX_OK; |
8215 | 533 } |
534 | |
535 | |
536 ngx_int_t | |
537 ngx_http_v3_check_insert_count(ngx_connection_t *c, ngx_uint_t insert_count) | |
538 { | |
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539 size_t n; |
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540 ngx_pool_cleanup_t *cln; |
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541 ngx_http_v3_block_t *block; |
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542 ngx_http_v3_session_t *h3c; |
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543 ngx_http_v3_srv_conf_t *h3scf; |
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544 ngx_http_v3_dynamic_table_t *dt; |
8215 | 545 |
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546 h3c = ngx_http_v3_get_session(c); |
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547 dt = &h3c->table; |
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548 |
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549 n = dt->base + dt->nelts; |
8215 | 550 |
551 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
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552 "http3 check insert count req:%ui, have:%ui", |
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553 insert_count, n); |
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554 |
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555 if (n >= insert_count) { |
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556 return NGX_OK; |
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557 } |
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558 |
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559 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 block stream"); |
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560 |
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561 block = NULL; |
8215 | 562 |
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563 for (cln = c->pool->cleanup; cln; cln = cln->next) { |
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564 if (cln->handler == ngx_http_v3_unblock) { |
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565 block = cln->data; |
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566 break; |
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567 } |
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568 } |
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569 |
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570 if (block == NULL) { |
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571 cln = ngx_pool_cleanup_add(c->pool, sizeof(ngx_http_v3_block_t)); |
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572 if (cln == NULL) { |
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573 return NGX_ERROR; |
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574 } |
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575 |
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576 cln->handler = ngx_http_v3_unblock; |
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577 |
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578 block = cln->data; |
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579 block->queue.prev = NULL; |
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580 block->connection = c; |
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581 block->nblocked = &h3c->nblocked; |
8215 | 582 } |
583 | |
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584 if (block->queue.prev == NULL) { |
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585 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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586 |
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587 if (h3c->nblocked == h3scf->max_blocked_streams) { |
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588 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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589 "client exceeded http3_max_blocked_streams limit"); |
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590 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
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591 } |
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592 |
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593 h3c->nblocked++; |
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594 ngx_queue_insert_tail(&h3c->blocked, &block->queue); |
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595 } |
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596 |
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597 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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598 "http3 blocked:%ui", h3c->nblocked); |
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599 |
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600 return NGX_BUSY; |
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601 } |
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602 |
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603 |
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604 static void |
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605 ngx_http_v3_unblock(void *data) |
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606 { |
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607 ngx_http_v3_block_t *block = data; |
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608 |
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609 if (block->queue.prev) { |
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610 ngx_queue_remove(&block->queue); |
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611 block->queue.prev = NULL; |
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612 (*block->nblocked)--; |
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613 } |
8215 | 614 } |
615 | |
616 | |
617 static ngx_int_t | |
618 ngx_http_v3_new_header(ngx_connection_t *c) | |
619 { | |
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620 ngx_queue_t *q; |
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621 ngx_connection_t *bc; |
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622 ngx_http_v3_block_t *block; |
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623 ngx_http_v3_session_t *h3c; |
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624 |
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625 h3c = ngx_http_v3_get_session(c); |
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626 |
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627 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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628 "http3 new dynamic header, blocked:%ui", h3c->nblocked); |
8215 | 629 |
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630 while (!ngx_queue_empty(&h3c->blocked)) { |
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631 q = ngx_queue_head(&h3c->blocked); |
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632 block = (ngx_http_v3_block_t *) q; |
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633 bc = block->connection; |
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634 |
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635 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, bc->log, 0, "http3 unblock stream"); |
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636 |
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637 ngx_http_v3_unblock(block); |
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638 ngx_post_event(bc->read, &ngx_posted_events); |
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639 } |
8215 | 640 |
641 return NGX_OK; | |
642 } | |
8226
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643 |
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|
644 |
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645 ngx_int_t |
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646 ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id, uint64_t value) |
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647 { |
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648 switch (id) { |
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Roman Arutyunyan <arut@nginx.com>
parents:
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649 |
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parents:
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650 case NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY: |
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parents:
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651 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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parents:
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652 "http3 param QPACK_MAX_TABLE_CAPACITY:%uL", value); |
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parents:
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653 break; |
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Roman Arutyunyan <arut@nginx.com>
parents:
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654 |
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Refactored HTTP/3 parser.
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parents:
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655 case NGX_HTTP_V3_PARAM_MAX_HEADER_LIST_SIZE: |
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Roman Arutyunyan <arut@nginx.com>
parents:
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656 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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parents:
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657 "http3 param SETTINGS_MAX_HEADER_LIST_SIZE:%uL", value); |
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parents:
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658 break; |
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Roman Arutyunyan <arut@nginx.com>
parents:
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659 |
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parents:
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660 case NGX_HTTP_V3_PARAM_BLOCKED_STREAMS: |
268f4389130d
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Roman Arutyunyan <arut@nginx.com>
parents:
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changeset
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661 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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parents:
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662 "http3 param QPACK_BLOCKED_STREAMS:%uL", value); |
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Roman Arutyunyan <arut@nginx.com>
parents:
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663 break; |
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Roman Arutyunyan <arut@nginx.com>
parents:
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664 |
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Roman Arutyunyan <arut@nginx.com>
parents:
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665 default: |
268f4389130d
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Roman Arutyunyan <arut@nginx.com>
parents:
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666 |
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parents:
8215
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667 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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parents:
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668 "http3 param #%uL:%uL", id, value); |
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parents:
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669 } |
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Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
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670 |
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Roman Arutyunyan <arut@nginx.com>
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671 return NGX_OK; |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
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672 } |