Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_streams.c @ 8460:72f9ff4e0a88 quic
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Previously errors led only to closing streams.
To simplify closing QUIC connection from a QUIC stream context, new macro
ngx_http_v3_finalize_connection() is introduced. It calls
ngx_quic_finalize_connection() for the parent connection.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Thu, 02 Jul 2020 16:47:51 +0300 |
parents | c9538aef3211 |
children | 0d2b2664b41c |
rev | line source |
---|---|
8215 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
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13 typedef ngx_int_t (*ngx_http_v3_handler_pt)(ngx_connection_t *c, void *data, |
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14 u_char ch); |
8215 | 15 |
16 | |
17 typedef struct { | |
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18 ngx_http_v3_handler_pt handler; |
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19 void *data; |
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20 ngx_int_t index; |
8215 | 21 } ngx_http_v3_uni_stream_t; |
22 | |
23 | |
24 static void ngx_http_v3_close_uni_stream(ngx_connection_t *c); | |
25 static void ngx_http_v3_read_uni_stream_type(ngx_event_t *rev); | |
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26 static void ngx_http_v3_uni_read_handler(ngx_event_t *rev); |
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27 static void ngx_http_v3_dummy_write_handler(ngx_event_t *wev); |
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28 static ngx_connection_t *ngx_http_v3_get_uni_stream(ngx_connection_t *c, |
8215 | 29 ngx_uint_t type); |
30 | |
31 | |
32 void | |
33 ngx_http_v3_handle_client_uni_stream(ngx_connection_t *c) | |
34 { | |
35 ngx_http_v3_uni_stream_t *us; | |
36 | |
37 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
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38 "http3 new uni stream id:0x%uxL", c->qs->id); |
8215 | 39 |
40 us = ngx_pcalloc(c->pool, sizeof(ngx_http_v3_uni_stream_t)); | |
41 if (us == NULL) { | |
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42 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_INTERNAL_ERROR, |
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43 NULL); |
8215 | 44 ngx_http_v3_close_uni_stream(c); |
45 return; | |
46 } | |
47 | |
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48 us->index = -1; |
8215 | 49 |
50 c->data = us; | |
51 | |
52 c->read->handler = ngx_http_v3_read_uni_stream_type; | |
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53 c->write->handler = ngx_http_v3_dummy_write_handler; |
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54 |
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55 ngx_http_v3_read_uni_stream_type(c->read); |
8215 | 56 } |
57 | |
58 | |
59 static void | |
60 ngx_http_v3_close_uni_stream(ngx_connection_t *c) | |
61 { | |
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62 ngx_pool_t *pool; |
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63 ngx_http_v3_connection_t *h3c; |
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64 ngx_http_v3_uni_stream_t *us; |
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65 |
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66 us = c->data; |
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67 h3c = c->qs->parent->data; |
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68 |
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69 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 close stream"); |
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70 |
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71 if (us->index >= 0) { |
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72 h3c->known_streams[us->index] = NULL; |
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73 } |
8215 | 74 |
75 c->destroyed = 1; | |
76 | |
77 pool = c->pool; | |
78 | |
79 ngx_close_connection(c); | |
80 | |
81 ngx_destroy_pool(pool); | |
82 } | |
83 | |
84 | |
85 static void | |
86 ngx_http_v3_read_uni_stream_type(ngx_event_t *rev) | |
87 { | |
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88 u_char ch; |
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89 ssize_t n; |
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90 ngx_int_t index, rc; |
8215 | 91 ngx_connection_t *c; |
92 ngx_http_v3_connection_t *h3c; | |
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93 ngx_http_v3_uni_stream_t *us; |
8215 | 94 |
95 c = rev->data; | |
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96 us = c->data; |
8215 | 97 h3c = c->qs->parent->data; |
98 | |
99 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read stream type"); | |
100 | |
101 while (rev->ready) { | |
102 | |
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103 n = c->recv(c, &ch, 1); |
8215 | 104 |
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105 if (n == NGX_AGAIN) { |
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106 break; |
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107 } |
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108 |
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109 if (n == 0) { |
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110 rc = NGX_HTTP_V3_ERR_GENERAL_PROTOCOL_ERROR; |
8215 | 111 goto failed; |
112 } | |
113 | |
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114 if (n != 1) { |
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115 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
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116 goto failed; |
8215 | 117 } |
118 | |
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119 switch (ch) { |
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120 |
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121 case NGX_HTTP_V3_STREAM_ENCODER: |
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122 |
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123 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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124 "http3 encoder stream"); |
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125 |
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126 index = NGX_HTTP_V3_STREAM_CLIENT_ENCODER; |
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127 us->handler = ngx_http_v3_parse_encoder; |
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128 n = sizeof(ngx_http_v3_parse_encoder_t); |
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129 |
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130 break; |
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131 |
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132 case NGX_HTTP_V3_STREAM_DECODER: |
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133 |
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134 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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135 "http3 decoder stream"); |
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136 |
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137 index = NGX_HTTP_V3_STREAM_CLIENT_DECODER; |
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138 us->handler = ngx_http_v3_parse_decoder; |
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139 n = sizeof(ngx_http_v3_parse_decoder_t); |
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140 |
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141 break; |
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142 |
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143 case NGX_HTTP_V3_STREAM_CONTROL: |
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144 |
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145 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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146 "http3 control stream"); |
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147 |
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148 index = NGX_HTTP_V3_STREAM_CLIENT_CONTROL; |
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149 us->handler = ngx_http_v3_parse_control; |
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150 n = sizeof(ngx_http_v3_parse_control_t); |
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151 |
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152 break; |
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153 |
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154 default: |
8215 | 155 |
156 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
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157 "http3 stream 0x%02xi", (ngx_int_t) ch); |
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158 index = -1; |
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159 n = 0; |
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160 } |
8215 | 161 |
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162 if (index >= 0) { |
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163 if (h3c->known_streams[index]) { |
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164 ngx_log_error(NGX_LOG_INFO, c->log, 0, "stream exists"); |
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165 rc = NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR; |
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166 goto failed; |
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167 } |
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168 |
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169 us->index = index; |
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170 h3c->known_streams[index] = c; |
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171 } |
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172 |
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173 if (n) { |
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174 us->data = ngx_pcalloc(c->pool, n); |
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175 if (us->data == NULL) { |
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176 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
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177 goto failed; |
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178 } |
8215 | 179 } |
180 | |
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181 rev->handler = ngx_http_v3_uni_read_handler; |
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diff
changeset
|
182 ngx_http_v3_uni_read_handler(rev); |
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Refactored HTTP/3 parser.
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diff
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|
183 return; |
8215 | 184 } |
185 | |
186 if (ngx_handle_read_event(rev, 0) != NGX_OK) { | |
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
187 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
8215 | 188 goto failed; |
189 } | |
190 | |
191 return; | |
192 | |
193 failed: | |
194 | |
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
195 ngx_http_v3_finalize_connection(c, rc, "could not read stream type"); |
8215 | 196 ngx_http_v3_close_uni_stream(c); |
197 } | |
198 | |
199 | |
200 static void | |
8226
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Refactored HTTP/3 parser.
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diff
changeset
|
201 ngx_http_v3_uni_read_handler(ngx_event_t *rev) |
8215 | 202 { |
8226
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Refactored HTTP/3 parser.
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diff
changeset
|
203 u_char buf[128]; |
8215 | 204 ssize_t n; |
8226
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Refactored HTTP/3 parser.
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diff
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|
205 ngx_int_t rc, i; |
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Refactored HTTP/3 parser.
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diff
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|
206 ngx_connection_t *c; |
8283
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diff
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|
207 ngx_http_v3_uni_stream_t *us; |
8215 | 208 |
209 c = rev->data; | |
8283
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diff
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|
210 us = c->data; |
8215 | 211 |
8226
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Refactored HTTP/3 parser.
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diff
changeset
|
212 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read handler"); |
8215 | 213 |
214 while (rev->ready) { | |
215 | |
8226
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diff
changeset
|
216 n = c->recv(c, buf, sizeof(buf)); |
8215 | 217 |
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
218 if (n == NGX_ERROR) { |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
219 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
8215 | 220 goto failed; |
221 } | |
222 | |
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
223 if (n == 0) { |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
224 if (us->index >= 0) { |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
225 rc = NGX_HTTP_V3_ERR_CLOSED_CRITICAL_STREAM; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
226 goto failed; |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
227 } |
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diff
changeset
|
228 |
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diff
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|
229 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read eof"); |
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diff
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|
230 ngx_http_v3_close_uni_stream(c); |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
231 return; |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
232 } |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
233 |
8226
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Refactored HTTP/3 parser.
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diff
changeset
|
234 if (n == NGX_AGAIN) { |
8215 | 235 break; |
236 } | |
237 | |
8283
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|
238 if (us->handler == NULL) { |
8226
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Refactored HTTP/3 parser.
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diff
changeset
|
239 continue; |
268f4389130d
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diff
changeset
|
240 } |
8215 | 241 |
8226
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Refactored HTTP/3 parser.
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diff
changeset
|
242 for (i = 0; i < n; i++) { |
8215 | 243 |
8283
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8281
diff
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|
244 rc = us->handler(c, us->data, buf[i]); |
8215 | 245 |
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
246 if (rc == NGX_DONE) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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changeset
|
247 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
248 "http3 read done"); |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
249 ngx_http_v3_close_uni_stream(c); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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8456
diff
changeset
|
250 return; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
251 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
252 |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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8456
diff
changeset
|
253 if (rc > 0) { |
8215 | 254 goto failed; |
255 } | |
256 | |
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
257 if (rc != NGX_AGAIN) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
258 rc = NGX_HTTP_V3_ERR_GENERAL_PROTOCOL_ERROR; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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8456
diff
changeset
|
259 goto failed; |
8215 | 260 } |
261 } | |
262 } | |
263 | |
264 if (ngx_handle_read_event(rev, 0) != NGX_OK) { | |
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
265 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
8215 | 266 goto failed; |
267 } | |
268 | |
269 return; | |
270 | |
271 failed: | |
272 | |
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8456
diff
changeset
|
273 ngx_http_v3_finalize_connection(c, rc, "stream error"); |
8215 | 274 ngx_http_v3_close_uni_stream(c); |
275 } | |
276 | |
277 | |
8281
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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8228
diff
changeset
|
278 static void |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
279 ngx_http_v3_dummy_write_handler(ngx_event_t *wev) |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
280 { |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
281 ngx_connection_t *c; |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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8228
diff
changeset
|
282 |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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8228
diff
changeset
|
283 c = wev->data; |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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8228
diff
changeset
|
284 |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
285 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 dummy write handler"); |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
286 |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
287 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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8456
diff
changeset
|
288 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_INTERNAL_ERROR, |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8456
diff
changeset
|
289 NULL); |
8281
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
290 ngx_http_v3_close_uni_stream(c); |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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8228
diff
changeset
|
291 } |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
292 } |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
293 |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
294 |
8215 | 295 /* XXX async & buffered stream writes */ |
296 | |
297 static ngx_connection_t * | |
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
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8281
diff
changeset
|
298 ngx_http_v3_get_uni_stream(ngx_connection_t *c, ngx_uint_t type) |
8215 | 299 { |
300 u_char buf[NGX_HTTP_V3_VARLEN_INT_LEN]; | |
301 size_t n; | |
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
302 ngx_int_t index; |
8215 | 303 ngx_connection_t *sc; |
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
304 ngx_http_v3_connection_t *h3c; |
8215 | 305 ngx_http_v3_uni_stream_t *us; |
306 | |
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
307 switch (type) { |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
308 case NGX_HTTP_V3_STREAM_ENCODER: |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
309 index = NGX_HTTP_V3_STREAM_SERVER_ENCODER; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
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parents:
8281
diff
changeset
|
310 break; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
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parents:
8281
diff
changeset
|
311 case NGX_HTTP_V3_STREAM_DECODER: |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
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parents:
8281
diff
changeset
|
312 index = NGX_HTTP_V3_STREAM_SERVER_DECODER; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
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parents:
8281
diff
changeset
|
313 break; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
314 case NGX_HTTP_V3_STREAM_CONTROL: |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
315 index = NGX_HTTP_V3_STREAM_SERVER_CONTROL; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
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parents:
8281
diff
changeset
|
316 break; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
317 default: |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
318 index = -1; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
319 } |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
320 |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
321 h3c = c->qs->parent->data; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
322 |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
323 if (index >= 0) { |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
324 if (h3c->known_streams[index]) { |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
325 return h3c->known_streams[index]; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
326 } |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
327 } |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
328 |
8228
ac41c53e446d
Fixed HTTP/3 server stream creation.
Roman Arutyunyan <arut@nginx.com>
parents:
8226
diff
changeset
|
329 sc = ngx_quic_create_uni_stream(c); |
8215 | 330 if (sc == NULL) { |
331 return NULL; | |
332 } | |
333 | |
334 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
335 "http3 create uni stream, type:%ui", type); | |
336 | |
337 us = ngx_pcalloc(sc->pool, sizeof(ngx_http_v3_uni_stream_t)); | |
338 if (us == NULL) { | |
339 goto failed; | |
340 } | |
341 | |
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
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8281
diff
changeset
|
342 us->index = index; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
343 |
8215 | 344 sc->data = us; |
345 | |
8281
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
346 sc->read->handler = ngx_http_v3_uni_read_handler; |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
347 sc->write->handler = ngx_http_v3_dummy_write_handler; |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
348 |
8403
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8362
diff
changeset
|
349 if (index >= 0) { |
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8362
diff
changeset
|
350 h3c->known_streams[index] = sc; |
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8362
diff
changeset
|
351 } |
8215 | 352 |
353 n = (u_char *) ngx_http_v3_encode_varlen_int(buf, type) - buf; | |
354 | |
355 if (sc->send(sc, buf, n) != (ssize_t) n) { | |
356 goto failed; | |
357 } | |
358 | |
359 return sc; | |
360 | |
361 failed: | |
362 | |
363 ngx_http_v3_close_uni_stream(sc); | |
364 | |
365 return NULL; | |
366 } | |
367 | |
368 | |
369 ngx_int_t | |
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
370 ngx_http_v3_send_settings(ngx_connection_t *c) |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
371 { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
372 u_char *p, buf[NGX_HTTP_V3_VARLEN_INT_LEN * 6]; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
373 size_t n; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
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374 ngx_connection_t *cc; |
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375 ngx_http_v3_srv_conf_t *v3cf; |
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376 ngx_http_v3_connection_t *h3c; |
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377 |
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378 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 send settings"); |
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379 |
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380 cc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_CONTROL); |
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381 if (cc == NULL) { |
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382 return NGX_ERROR; |
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383 } |
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384 |
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385 h3c = c->qs->parent->data; |
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386 v3cf = ngx_http_get_module_srv_conf(h3c->hc.conf_ctx, ngx_http_v3_module); |
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387 |
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388 n = ngx_http_v3_encode_varlen_int(NULL, |
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389 NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY); |
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390 n += ngx_http_v3_encode_varlen_int(NULL, v3cf->max_table_capacity); |
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391 n += ngx_http_v3_encode_varlen_int(NULL, NGX_HTTP_V3_PARAM_BLOCKED_STREAMS); |
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392 n += ngx_http_v3_encode_varlen_int(NULL, v3cf->max_blocked_streams); |
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393 |
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394 p = (u_char *) ngx_http_v3_encode_varlen_int(buf, |
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395 NGX_HTTP_V3_FRAME_SETTINGS); |
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396 p = (u_char *) ngx_http_v3_encode_varlen_int(p, n); |
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397 p = (u_char *) ngx_http_v3_encode_varlen_int(p, |
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398 NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY); |
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399 p = (u_char *) ngx_http_v3_encode_varlen_int(p, v3cf->max_table_capacity); |
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400 p = (u_char *) ngx_http_v3_encode_varlen_int(p, |
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401 NGX_HTTP_V3_PARAM_BLOCKED_STREAMS); |
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402 p = (u_char *) ngx_http_v3_encode_varlen_int(p, v3cf->max_blocked_streams); |
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403 n = p - buf; |
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404 |
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405 if (cc->send(cc, buf, n) != (ssize_t) n) { |
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406 goto failed; |
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407 } |
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408 |
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409 return NGX_OK; |
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410 |
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411 failed: |
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412 |
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413 ngx_http_v3_close_uni_stream(cc); |
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414 |
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415 return NGX_ERROR; |
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416 } |
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417 |
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418 |
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419 ngx_int_t |
8215 | 420 ngx_http_v3_client_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic, |
421 ngx_uint_t index, ngx_str_t *value) | |
422 { | |
423 u_char *p, buf[NGX_HTTP_V3_PREFIX_INT_LEN * 2]; | |
424 size_t n; | |
425 ngx_connection_t *ec; | |
426 | |
427 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
428 "http3 client ref insert, %s[%ui] \"%V\"", | |
429 dynamic ? "dynamic" : "static", index, value); | |
430 | |
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431 ec = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_ENCODER); |
8215 | 432 if (ec == NULL) { |
433 return NGX_ERROR; | |
434 } | |
435 | |
436 p = buf; | |
437 | |
438 *p = (dynamic ? 0x80 : 0xc0); | |
439 p = (u_char *) ngx_http_v3_encode_prefix_int(p, index, 6); | |
440 | |
441 /* XXX option for huffman? */ | |
442 *p = 0; | |
443 p = (u_char *) ngx_http_v3_encode_prefix_int(p, value->len, 7); | |
444 | |
445 n = p - buf; | |
446 | |
447 if (ec->send(ec, buf, n) != (ssize_t) n) { | |
448 goto failed; | |
449 } | |
450 | |
451 if (ec->send(ec, value->data, value->len) != (ssize_t) value->len) { | |
452 goto failed; | |
453 } | |
454 | |
455 return NGX_OK; | |
456 | |
457 failed: | |
458 | |
459 ngx_http_v3_close_uni_stream(ec); | |
460 | |
461 return NGX_ERROR; | |
462 } | |
463 | |
464 | |
465 ngx_int_t | |
466 ngx_http_v3_client_insert(ngx_connection_t *c, ngx_str_t *name, | |
467 ngx_str_t *value) | |
468 { | |
469 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
470 size_t n; | |
471 ngx_connection_t *ec; | |
472 | |
473 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
474 "http3 client insert \"%V\":\"%V\"", name, value); | |
475 | |
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476 ec = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_ENCODER); |
8215 | 477 if (ec == NULL) { |
478 return NGX_ERROR; | |
479 } | |
480 | |
481 /* XXX option for huffman? */ | |
482 buf[0] = 0x40; | |
483 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, name->len, 5) - buf; | |
484 | |
485 if (ec->send(ec, buf, n) != (ssize_t) n) { | |
486 goto failed; | |
487 } | |
488 | |
489 if (ec->send(ec, name->data, name->len) != (ssize_t) name->len) { | |
490 goto failed; | |
491 } | |
492 | |
493 /* XXX option for huffman? */ | |
494 buf[0] = 0; | |
495 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, value->len, 7) - buf; | |
496 | |
497 if (ec->send(ec, buf, n) != (ssize_t) n) { | |
498 goto failed; | |
499 } | |
500 | |
501 if (ec->send(ec, value->data, value->len) != (ssize_t) value->len) { | |
502 goto failed; | |
503 } | |
504 | |
505 return NGX_OK; | |
506 | |
507 failed: | |
508 | |
509 ngx_http_v3_close_uni_stream(ec); | |
510 | |
511 return NGX_ERROR; | |
512 } | |
513 | |
514 | |
515 ngx_int_t | |
516 ngx_http_v3_client_set_capacity(ngx_connection_t *c, ngx_uint_t capacity) | |
517 { | |
518 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
519 size_t n; | |
520 ngx_connection_t *ec; | |
521 | |
522 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
523 "http3 client set capacity %ui", capacity); | |
524 | |
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525 ec = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_ENCODER); |
8215 | 526 if (ec == NULL) { |
527 return NGX_ERROR; | |
528 } | |
529 | |
530 buf[0] = 0x20; | |
531 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, capacity, 5) - buf; | |
532 | |
533 if (ec->send(ec, buf, n) != (ssize_t) n) { | |
534 ngx_http_v3_close_uni_stream(ec); | |
535 return NGX_ERROR; | |
536 } | |
537 | |
538 return NGX_OK; | |
539 } | |
540 | |
541 | |
542 ngx_int_t | |
543 ngx_http_v3_client_duplicate(ngx_connection_t *c, ngx_uint_t index) | |
544 { | |
545 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
546 size_t n; | |
547 ngx_connection_t *ec; | |
548 | |
549 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
550 "http3 client duplicate %ui", index); | |
551 | |
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552 ec = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_ENCODER); |
8215 | 553 if (ec == NULL) { |
554 return NGX_ERROR; | |
555 } | |
556 | |
557 buf[0] = 0; | |
558 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, index, 5) - buf; | |
559 | |
560 if (ec->send(ec, buf, n) != (ssize_t) n) { | |
561 ngx_http_v3_close_uni_stream(ec); | |
562 return NGX_ERROR; | |
563 } | |
564 | |
565 return NGX_OK; | |
566 } | |
567 | |
568 | |
569 ngx_int_t | |
570 ngx_http_v3_client_ack_header(ngx_connection_t *c, ngx_uint_t stream_id) | |
571 { | |
572 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
573 size_t n; | |
574 ngx_connection_t *dc; | |
575 | |
576 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
577 "http3 client ack header %ui", stream_id); | |
578 | |
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579 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
8215 | 580 if (dc == NULL) { |
581 return NGX_ERROR; | |
582 } | |
583 | |
584 buf[0] = 0x80; | |
585 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, stream_id, 7) - buf; | |
586 | |
587 if (dc->send(dc, buf, n) != (ssize_t) n) { | |
588 ngx_http_v3_close_uni_stream(dc); | |
589 return NGX_ERROR; | |
590 } | |
591 | |
592 return NGX_OK; | |
593 } | |
594 | |
595 | |
596 ngx_int_t | |
597 ngx_http_v3_client_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id) | |
598 { | |
599 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
600 size_t n; | |
601 ngx_connection_t *dc; | |
602 | |
603 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
604 "http3 client cancel stream %ui", stream_id); | |
605 | |
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606 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
8215 | 607 if (dc == NULL) { |
608 return NGX_ERROR; | |
609 } | |
610 | |
611 buf[0] = 0x40; | |
612 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, stream_id, 6) - buf; | |
613 | |
614 if (dc->send(dc, buf, n) != (ssize_t) n) { | |
615 ngx_http_v3_close_uni_stream(dc); | |
616 return NGX_ERROR; | |
617 } | |
618 | |
619 return NGX_OK; | |
620 } | |
621 | |
622 | |
623 ngx_int_t | |
624 ngx_http_v3_client_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc) | |
625 { | |
626 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
627 size_t n; | |
628 ngx_connection_t *dc; | |
629 | |
630 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
631 "http3 client increment insert count %ui", inc); | |
632 | |
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633 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
8215 | 634 if (dc == NULL) { |
635 return NGX_ERROR; | |
636 } | |
637 | |
638 buf[0] = 0; | |
639 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, inc, 6) - buf; | |
640 | |
641 if (dc->send(dc, buf, n) != (ssize_t) n) { | |
642 ngx_http_v3_close_uni_stream(dc); | |
643 return NGX_ERROR; | |
644 } | |
645 | |
646 return NGX_OK; | |
647 } |