Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_tables.c @ 8902:925572184d4a quic
HTTP/3: adjusted QUIC connection finalization.
When an HTTP/3 function returns an error in context of a QUIC stream, it's
this function's responsibility now to finalize the entire QUIC connection
with the right code, if required. Previously, QUIC connection finalization
could be done both outside and inside such functions. The new rule follows
a similar rule for logging, leads to cleaner code, and allows to provide more
details about the error.
While here, a few error cases are no longer treated as fatal and QUIC connection
is no longer finalized in these cases. A few other cases now lead to
stream reset instead of connection finalization.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Mon, 18 Oct 2021 15:22:33 +0300 |
parents | 0ac25efb2da3 |
children |
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_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 /* TODO increment can be sent less often */ |
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236 |
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237 if (ngx_http_v3_send_inc_insert_count(c, 1) != NGX_OK) { |
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238 return NGX_ERROR; |
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239 } |
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240 |
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241 if (ngx_http_v3_new_entry(c) != NGX_OK) { |
8215 | 242 return NGX_ERROR; |
243 } | |
244 | |
245 return NGX_OK; | |
246 } | |
247 | |
248 | |
249 ngx_int_t | |
250 ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity) | |
251 { | |
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252 ngx_uint_t max, prev_max; |
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253 ngx_http_v3_field_t **elts; |
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254 ngx_http_v3_session_t *h3c; |
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255 ngx_http_v3_srv_conf_t *h3scf; |
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256 ngx_http_v3_dynamic_table_t *dt; |
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257 |
8215 | 258 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
259 "http3 set capacity %ui", capacity); | |
260 | |
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261 h3c = ngx_http_v3_get_session(c); |
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262 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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263 |
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264 if (capacity > h3scf->max_table_capacity) { |
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265 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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266 "client exceeded http3_max_table_capacity limit"); |
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267 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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268 } |
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269 |
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270 dt = &h3c->table; |
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271 |
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272 if (dt->size > capacity) { |
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273 if (ngx_http_v3_evict(c, dt->size - capacity) != NGX_OK) { |
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274 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
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275 } |
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276 } |
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277 |
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278 max = capacity / 32; |
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279 prev_max = dt->capacity / 32; |
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280 |
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281 if (max > prev_max) { |
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282 elts = ngx_alloc(max * sizeof(void *), c->log); |
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283 if (elts == NULL) { |
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284 return NGX_ERROR; |
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285 } |
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286 |
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287 if (dt->elts) { |
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288 ngx_memcpy(elts, dt->elts, dt->nelts * sizeof(void *)); |
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289 ngx_free(dt->elts); |
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290 } |
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291 |
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292 dt->elts = elts; |
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293 } |
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294 |
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295 dt->capacity = capacity; |
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296 |
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297 return NGX_OK; |
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298 } |
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299 |
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300 |
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301 void |
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302 ngx_http_v3_cleanup_table(ngx_http_v3_session_t *h3c) |
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303 { |
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304 ngx_uint_t n; |
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305 ngx_http_v3_dynamic_table_t *dt; |
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306 |
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307 dt = &h3c->table; |
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308 |
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309 if (dt->elts == NULL) { |
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310 return; |
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311 } |
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312 |
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313 for (n = 0; n < dt->nelts; n++) { |
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314 ngx_free(dt->elts[n]); |
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315 } |
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316 |
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317 ngx_free(dt->elts); |
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318 } |
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319 |
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320 |
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321 static ngx_int_t |
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322 ngx_http_v3_evict(ngx_connection_t *c, size_t need) |
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323 { |
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324 size_t size, target; |
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325 ngx_uint_t n; |
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326 ngx_http_v3_field_t *field; |
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327 ngx_http_v3_session_t *h3c; |
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328 ngx_http_v3_dynamic_table_t *dt; |
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329 |
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330 h3c = ngx_http_v3_get_session(c); |
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331 dt = &h3c->table; |
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332 |
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333 if (need > dt->capacity) { |
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334 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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335 "not enough dynamic table capacity"); |
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336 return NGX_ERROR; |
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337 } |
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338 |
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339 target = dt->capacity - need; |
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340 n = 0; |
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341 |
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342 while (dt->size > target) { |
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343 field = dt->elts[n++]; |
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344 size = ngx_http_v3_table_entry_size(&field->name, &field->value); |
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345 |
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346 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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347 "http3 evict [%ui] \"%V\":\"%V\" size:%uz", |
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348 dt->base, &field->name, &field->value, size); |
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349 |
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350 ngx_free(field); |
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351 dt->size -= size; |
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352 } |
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353 |
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354 if (n) { |
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355 dt->nelts -= n; |
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356 dt->base += n; |
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357 ngx_memmove(dt->elts, &dt->elts[n], dt->nelts * sizeof(void *)); |
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358 } |
8215 | 359 |
360 return NGX_OK; | |
361 } | |
362 | |
363 | |
364 ngx_int_t | |
365 ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index) | |
366 { | |
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367 ngx_str_t name, value; |
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368 ngx_http_v3_session_t *h3c; |
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369 ngx_http_v3_dynamic_table_t *dt; |
8215 | 370 |
371 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 duplicate %ui", index); | |
372 | |
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373 h3c = ngx_http_v3_get_session(c); |
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374 dt = &h3c->table; |
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375 |
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376 if (dt->base + dt->nelts <= index) { |
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377 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
8215 | 378 } |
379 | |
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380 index = dt->base + dt->nelts - 1 - index; |
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381 |
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382 if (ngx_http_v3_lookup(c, index, &name, &value) != NGX_OK) { |
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383 return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR; |
8215 | 384 } |
385 | |
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386 return ngx_http_v3_insert(c, &name, &value); |
8215 | 387 } |
388 | |
389 | |
390 ngx_int_t | |
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391 ngx_http_v3_ack_section(ngx_connection_t *c, ngx_uint_t stream_id) |
8215 | 392 { |
393 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
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394 "http3 ack section %ui", stream_id); |
8215 | 395 |
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396 /* we do not use dynamic tables */ |
8215 | 397 |
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398 return NGX_HTTP_V3_ERR_DECODER_STREAM_ERROR; |
8215 | 399 } |
400 | |
401 | |
402 ngx_int_t | |
403 ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc) | |
404 { | |
405 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
406 "http3 increment insert count %ui", inc); | |
407 | |
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408 /* we do not use dynamic tables */ |
8215 | 409 |
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410 return NGX_HTTP_V3_ERR_DECODER_STREAM_ERROR; |
8215 | 411 } |
412 | |
413 | |
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414 ngx_int_t |
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415 ngx_http_v3_lookup_static(ngx_connection_t *c, ngx_uint_t index, |
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416 ngx_str_t *name, ngx_str_t *value) |
8215 | 417 { |
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418 ngx_uint_t nelts; |
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419 ngx_http_v3_field_t *field; |
8215 | 420 |
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421 nelts = sizeof(ngx_http_v3_static_table) |
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422 / sizeof(ngx_http_v3_static_table[0]); |
8215 | 423 |
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424 if (index >= nelts) { |
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425 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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426 "http3 static[%ui] lookup out of bounds: %ui", |
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427 index, nelts); |
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428 return NGX_ERROR; |
8215 | 429 } |
430 | |
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431 field = &ngx_http_v3_static_table[index]; |
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432 |
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433 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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434 "http3 static[%ui] lookup \"%V\":\"%V\"", |
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435 index, &field->name, &field->value); |
8215 | 436 |
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437 if (name) { |
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438 *name = field->name; |
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439 } |
8215 | 440 |
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441 if (value) { |
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442 *value = field->value; |
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443 } |
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444 |
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445 return NGX_OK; |
8215 | 446 } |
447 | |
448 | |
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449 ngx_int_t |
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450 ngx_http_v3_lookup(ngx_connection_t *c, ngx_uint_t index, ngx_str_t *name, |
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451 ngx_str_t *value) |
8215 | 452 { |
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453 ngx_http_v3_field_t *field; |
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454 ngx_http_v3_session_t *h3c; |
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455 ngx_http_v3_dynamic_table_t *dt; |
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456 |
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457 h3c = ngx_http_v3_get_session(c); |
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458 dt = &h3c->table; |
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459 |
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460 if (index < dt->base || index - dt->base >= dt->nelts) { |
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461 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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462 "http3 dynamic[%ui] lookup out of bounds: [%ui,%ui]", |
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463 index, dt->base, dt->base + dt->nelts); |
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464 return NGX_ERROR; |
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465 } |
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466 |
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467 field = dt->elts[index - dt->base]; |
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468 |
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469 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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470 "http3 dynamic[%ui] lookup \"%V\":\"%V\"", |
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471 index, &field->name, &field->value); |
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472 |
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473 if (name) { |
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474 *name = field->name; |
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475 } |
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476 |
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477 if (value) { |
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478 *value = field->value; |
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479 } |
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480 |
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481 return NGX_OK; |
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482 } |
8215 | 483 |
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484 |
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485 ngx_int_t |
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486 ngx_http_v3_decode_insert_count(ngx_connection_t *c, ngx_uint_t *insert_count) |
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487 { |
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488 ngx_uint_t max_entries, full_range, max_value, |
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489 max_wrapped, req_insert_count; |
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490 ngx_http_v3_srv_conf_t *h3scf; |
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491 ngx_http_v3_session_t *h3c; |
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492 ngx_http_v3_dynamic_table_t *dt; |
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493 |
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494 /* QPACK 4.5.1.1. Required Insert Count */ |
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495 |
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496 if (*insert_count == 0) { |
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497 return NGX_OK; |
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498 } |
8215 | 499 |
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500 h3c = ngx_http_v3_get_session(c); |
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501 dt = &h3c->table; |
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502 |
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|
503 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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504 |
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505 max_entries = h3scf->max_table_capacity / 32; |
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|
506 full_range = 2 * max_entries; |
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|
507 |
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|
508 if (*insert_count > full_range) { |
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509 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
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510 } |
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|
511 |
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|
512 max_value = dt->base + dt->nelts + max_entries; |
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513 max_wrapped = (max_value / full_range) * full_range; |
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|
514 req_insert_count = max_wrapped + *insert_count - 1; |
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|
515 |
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|
516 if (req_insert_count > max_value) { |
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517 if (req_insert_count <= full_range) { |
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518 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
8215 | 519 } |
520 | |
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|
521 req_insert_count -= full_range; |
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|
522 } |
8215 | 523 |
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524 if (req_insert_count == 0) { |
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525 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
8215 | 526 } |
527 | |
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|
528 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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|
529 "http3 decode insert_count %ui -> %ui", |
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|
530 *insert_count, req_insert_count); |
8215 | 531 |
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532 *insert_count = req_insert_count; |
8215 | 533 |
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|
534 return NGX_OK; |
8215 | 535 } |
536 | |
537 | |
538 ngx_int_t | |
539 ngx_http_v3_check_insert_count(ngx_connection_t *c, ngx_uint_t insert_count) | |
540 { | |
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|
541 size_t n; |
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|
542 ngx_pool_cleanup_t *cln; |
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|
543 ngx_http_v3_block_t *block; |
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|
544 ngx_http_v3_session_t *h3c; |
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|
545 ngx_http_v3_srv_conf_t *h3scf; |
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|
546 ngx_http_v3_dynamic_table_t *dt; |
8215 | 547 |
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|
548 h3c = ngx_http_v3_get_session(c); |
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549 dt = &h3c->table; |
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|
550 |
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|
551 n = dt->base + dt->nelts; |
8215 | 552 |
553 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
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|
554 "http3 check insert count req:%ui, have:%ui", |
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|
555 insert_count, n); |
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|
556 |
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|
557 if (n >= insert_count) { |
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558 return NGX_OK; |
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559 } |
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560 |
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|
561 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 block stream"); |
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562 |
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|
563 block = NULL; |
8215 | 564 |
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565 for (cln = c->pool->cleanup; cln; cln = cln->next) { |
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566 if (cln->handler == ngx_http_v3_unblock) { |
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|
567 block = cln->data; |
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|
568 break; |
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569 } |
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|
570 } |
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|
571 |
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572 if (block == NULL) { |
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573 cln = ngx_pool_cleanup_add(c->pool, sizeof(ngx_http_v3_block_t)); |
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574 if (cln == NULL) { |
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|
575 return NGX_ERROR; |
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|
576 } |
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|
577 |
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|
578 cln->handler = ngx_http_v3_unblock; |
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|
579 |
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|
580 block = cln->data; |
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|
581 block->queue.prev = NULL; |
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|
582 block->connection = c; |
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|
583 block->nblocked = &h3c->nblocked; |
8215 | 584 } |
585 | |
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|
586 if (block->queue.prev == NULL) { |
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|
587 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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|
588 |
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HTTP/3: renamed server configuration variables from v3cf to h3scf.
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|
589 if (h3c->nblocked == h3scf->max_blocked_streams) { |
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|
590 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
591 "client exceeded http3_max_blocked_streams limit"); |
8902
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
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diff
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|
592 |
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|
593 ngx_http_v3_finalize_connection(c, |
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|
594 NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED, |
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|
595 "too many blocked streams"); |
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|
596 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
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|
597 } |
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|
598 |
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|
599 h3c->nblocked++; |
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|
600 ngx_queue_insert_tail(&h3c->blocked, &block->queue); |
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|
601 } |
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diff
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|
602 |
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|
603 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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|
604 "http3 blocked:%ui", h3c->nblocked); |
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diff
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|
605 |
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diff
changeset
|
606 return NGX_BUSY; |
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|
607 } |
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|
608 |
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HTTP/3: refactored dynamic table implementation.
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diff
changeset
|
609 |
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diff
changeset
|
610 static void |
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changeset
|
611 ngx_http_v3_unblock(void *data) |
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|
612 { |
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|
613 ngx_http_v3_block_t *block = data; |
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|
614 |
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changeset
|
615 if (block->queue.prev) { |
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|
616 ngx_queue_remove(&block->queue); |
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|
617 block->queue.prev = NULL; |
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diff
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|
618 (*block->nblocked)--; |
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619 } |
8215 | 620 } |
621 | |
622 | |
623 static ngx_int_t | |
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HTTP/3: quic-qpack term updates.
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|
624 ngx_http_v3_new_entry(ngx_connection_t *c) |
8215 | 625 { |
8770
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diff
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|
626 ngx_queue_t *q; |
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|
627 ngx_connection_t *bc; |
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|
628 ngx_http_v3_block_t *block; |
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HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
Roman Arutyunyan <arut@nginx.com>
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changeset
|
629 ngx_http_v3_session_t *h3c; |
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|
630 |
8768
40d710a66aef
HTTP/3: ngx_http_v3_get_session() macro.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
631 h3c = ngx_http_v3_get_session(c); |
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632 |
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changeset
|
633 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
|
634 "http3 new dynamic entry, blocked:%ui", h3c->nblocked); |
8215 | 635 |
8456
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
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636 while (!ngx_queue_empty(&h3c->blocked)) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
637 q = ngx_queue_head(&h3c->blocked); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
638 block = (ngx_http_v3_block_t *) q; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
639 bc = block->connection; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
640 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
641 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, bc->log, 0, "http3 unblock stream"); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
642 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
643 ngx_http_v3_unblock(block); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
644 ngx_post_event(bc->read, &ngx_posted_events); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8409
diff
changeset
|
645 } |
8215 | 646 |
647 return NGX_OK; | |
648 } | |
8226
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
649 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
650 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
651 ngx_int_t |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
652 ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id, uint64_t value) |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
653 { |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
654 switch (id) { |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
655 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
656 case NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY: |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
657 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
658 "http3 param QPACK_MAX_TABLE_CAPACITY:%uL", value); |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
659 break; |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
660 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
661 case NGX_HTTP_V3_PARAM_MAX_HEADER_LIST_SIZE: |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
662 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
663 "http3 param SETTINGS_MAX_HEADER_LIST_SIZE:%uL", value); |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
664 break; |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
665 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
666 case NGX_HTTP_V3_PARAM_BLOCKED_STREAMS: |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
667 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
668 "http3 param QPACK_BLOCKED_STREAMS:%uL", value); |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
669 break; |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
670 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
671 default: |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
672 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
673 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
674 "http3 param #%uL:%uL", id, value); |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
675 } |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
676 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
677 return NGX_OK; |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
678 } |