Mercurial > hg > nginx-quic
annotate src/http/v3/ngx_http_v3_streams.c @ 8692:0d3bf08eaac0 quic
HTTP/3: allowed QUIC stream connection reuse.
A QUIC stream connection is treated as reusable until first bytes of request
arrive, which is also when the request object is now allocated. A connection
closed as a result of draining, is reset with the error code
H3_REQUEST_REJECTED. Such behavior is allowed by quic-http-34:
Once a request stream has been opened, the request MAY be cancelled
by either endpoint. Clients cancel requests if the response is no
longer of interest; servers cancel requests if they are unable to or
choose not to respond.
When the server cancels a request without performing any application
processing, the request is considered "rejected." The server SHOULD
abort its response stream with the error code H3_REQUEST_REJECTED.
The client can treat requests rejected by the server as though they had
never been sent at all, thereby allowing them to be retried later.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Mon, 18 Oct 2021 15:47:06 +0300 |
parents | 925572184d4a |
children | d6ef13c5fd8e |
rev | line source |
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7681 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
13 typedef struct { | |
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14 ngx_http_v3_parse_uni_t parse; |
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15 ngx_int_t index; |
7681 | 16 } ngx_http_v3_uni_stream_t; |
17 | |
18 | |
8015 | 19 typedef struct { |
20 ngx_queue_t queue; | |
21 uint64_t id; | |
22 ngx_connection_t *connection; | |
23 ngx_uint_t *npushing; | |
24 } ngx_http_v3_push_t; | |
25 | |
26 | |
7681 | 27 static void ngx_http_v3_close_uni_stream(ngx_connection_t *c); |
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28 static void ngx_http_v3_uni_read_handler(ngx_event_t *rev); |
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29 static void ngx_http_v3_dummy_write_handler(ngx_event_t *wev); |
8015 | 30 static void ngx_http_v3_push_cleanup(void *data); |
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31 static ngx_connection_t *ngx_http_v3_get_uni_stream(ngx_connection_t *c, |
7681 | 32 ngx_uint_t type); |
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33 |
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34 |
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35 void |
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36 ngx_http_v3_init_uni_stream(ngx_connection_t *c) |
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37 { |
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38 uint64_t n; |
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39 ngx_http_v3_srv_conf_t *h3scf; |
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40 ngx_http_v3_uni_stream_t *us; |
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41 |
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42 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 init uni stream"); |
7681 | 43 |
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44 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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45 |
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46 n = c->quic->id >> 2; |
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47 |
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48 if (n >= h3scf->max_uni_streams) { |
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49 ngx_http_v3_finalize_connection(c, |
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50 NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR, |
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51 "reached maximum number of uni streams"); |
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52 c->data = NULL; |
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53 ngx_http_v3_close_uni_stream(c); |
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54 return; |
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55 } |
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56 |
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57 c->quic->cancelable = 1; |
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58 |
7681 | 59 us = ngx_pcalloc(c->pool, sizeof(ngx_http_v3_uni_stream_t)); |
60 if (us == NULL) { | |
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61 ngx_http_v3_finalize_connection(c, |
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62 NGX_HTTP_V3_ERR_INTERNAL_ERROR, |
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63 "memory allocation error"); |
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64 c->data = NULL; |
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65 ngx_http_v3_close_uni_stream(c); |
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66 return; |
7681 | 67 } |
68 | |
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69 us->index = -1; |
7681 | 70 |
71 c->data = us; | |
72 | |
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73 c->read->handler = ngx_http_v3_uni_read_handler; |
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74 c->write->handler = ngx_http_v3_dummy_write_handler; |
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75 |
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76 ngx_http_v3_uni_read_handler(c->read); |
7681 | 77 } |
78 | |
79 | |
80 static void | |
81 ngx_http_v3_close_uni_stream(ngx_connection_t *c) | |
82 { | |
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83 ngx_pool_t *pool; |
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84 ngx_http_v3_session_t *h3c; |
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85 ngx_http_v3_uni_stream_t *us; |
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86 |
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87 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 close stream"); |
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88 |
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89 us = c->data; |
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90 |
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91 if (us && us->index >= 0) { |
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92 h3c = ngx_http_v3_get_session(c); |
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93 h3c->known_streams[us->index] = NULL; |
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94 } |
7681 | 95 |
96 c->destroyed = 1; | |
97 | |
98 pool = c->pool; | |
99 | |
100 ngx_close_connection(c); | |
101 | |
102 ngx_destroy_pool(pool); | |
103 } | |
104 | |
105 | |
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106 ngx_int_t |
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107 ngx_http_v3_register_uni_stream(ngx_connection_t *c, uint64_t type) |
7681 | 108 { |
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109 ngx_int_t index; |
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110 ngx_http_v3_session_t *h3c; |
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111 ngx_http_v3_uni_stream_t *us; |
7681 | 112 |
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113 h3c = ngx_http_v3_get_session(c); |
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114 |
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115 switch (type) { |
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116 |
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117 case NGX_HTTP_V3_STREAM_ENCODER: |
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118 |
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119 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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120 "http3 encoder stream"); |
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121 index = NGX_HTTP_V3_STREAM_CLIENT_ENCODER; |
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122 break; |
7681 | 123 |
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124 case NGX_HTTP_V3_STREAM_DECODER: |
7681 | 125 |
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126 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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127 "http3 decoder stream"); |
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128 index = NGX_HTTP_V3_STREAM_CLIENT_DECODER; |
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129 break; |
7681 | 130 |
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131 case NGX_HTTP_V3_STREAM_CONTROL: |
7681 | 132 |
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133 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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134 "http3 control stream"); |
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135 index = NGX_HTTP_V3_STREAM_CLIENT_CONTROL; |
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136 |
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137 break; |
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138 |
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139 default: |
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140 |
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141 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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142 "http3 stream 0x%02xL", type); |
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143 |
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144 if (h3c->known_streams[NGX_HTTP_V3_STREAM_CLIENT_ENCODER] == NULL |
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145 || h3c->known_streams[NGX_HTTP_V3_STREAM_CLIENT_DECODER] == NULL |
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146 || h3c->known_streams[NGX_HTTP_V3_STREAM_CLIENT_CONTROL] == NULL) |
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147 { |
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148 ngx_log_error(NGX_LOG_INFO, c->log, 0, "missing mandatory stream"); |
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149 return NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR; |
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150 } |
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151 |
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|
152 index = -1; |
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diff
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|
153 } |
7681 | 154 |
8432
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diff
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|
155 if (index >= 0) { |
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diff
changeset
|
156 if (h3c->known_streams[index]) { |
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diff
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|
157 ngx_log_error(NGX_LOG_INFO, c->log, 0, "stream exists"); |
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diff
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|
158 return NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR; |
7681 | 159 } |
160 | |
8432
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diff
changeset
|
161 h3c->known_streams[index] = c; |
7692
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Refactored HTTP/3 parser.
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diff
changeset
|
162 |
8432
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diff
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|
163 us = c->data; |
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diff
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|
164 us->index = index; |
7681 | 165 } |
166 | |
8432
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HTTP/3: moved parsing uni stream type to ngx_http_v3_parse.c.
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diff
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|
167 return NGX_OK; |
7681 | 168 } |
169 | |
170 | |
171 static void | |
7692
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Refactored HTTP/3 parser.
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diff
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|
172 ngx_http_v3_uni_read_handler(ngx_event_t *rev) |
7681 | 173 { |
7692
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Refactored HTTP/3 parser.
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diff
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|
174 u_char buf[128]; |
7681 | 175 ssize_t n; |
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diff
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|
176 ngx_buf_t b; |
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diff
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|
177 ngx_int_t rc; |
7692
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|
178 ngx_connection_t *c; |
8643
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|
179 ngx_http_v3_session_t *h3c; |
7749
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Simplifed handling HTTP/3 streams.
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|
180 ngx_http_v3_uni_stream_t *us; |
7681 | 181 |
182 c = rev->data; | |
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diff
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|
183 us = c->data; |
7681 | 184 |
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|
185 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read handler"); |
7681 | 186 |
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187 ngx_memzero(&b, sizeof(ngx_buf_t)); |
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diff
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|
188 |
7681 | 189 while (rev->ready) { |
190 | |
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|
191 n = c->recv(c, buf, sizeof(buf)); |
7681 | 192 |
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193 if (n == NGX_ERROR) { |
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194 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
7681 | 195 goto failed; |
196 } | |
197 | |
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diff
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|
198 if (n == 0) { |
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|
199 if (us->index >= 0) { |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
200 rc = NGX_HTTP_V3_ERR_CLOSED_CRITICAL_STREAM; |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
201 goto failed; |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
202 } |
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|
203 |
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204 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read eof"); |
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205 ngx_http_v3_close_uni_stream(c); |
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206 return; |
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diff
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|
207 } |
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diff
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|
208 |
7692
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209 if (n == NGX_AGAIN) { |
7681 | 210 break; |
211 } | |
212 | |
8563
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|
213 b.pos = buf; |
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214 b.last = buf + n; |
7681 | 215 |
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216 h3c = ngx_http_v3_get_session(c); |
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HTTP/3: traffic-based flood detection.
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|
217 h3c->total_bytes += n; |
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HTTP/3: traffic-based flood detection.
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|
218 |
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|
219 if (ngx_http_v3_check_flood(c) != NGX_OK) { |
72b304f6207c
HTTP/3: traffic-based flood detection.
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|
220 ngx_http_v3_close_uni_stream(c); |
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221 return; |
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|
222 } |
72b304f6207c
HTTP/3: traffic-based flood detection.
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|
223 |
8563
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|
224 rc = ngx_http_v3_parse_uni(c, &us->parse, &b); |
7681 | 225 |
8563
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|
226 if (rc == NGX_DONE) { |
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227 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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HTTP/3: bulk parse functions.
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|
228 "http3 read done"); |
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|
229 ngx_http_v3_close_uni_stream(c); |
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HTTP/3: bulk parse functions.
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230 return; |
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|
231 } |
7955
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232 |
8563
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233 if (rc > 0) { |
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diff
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|
234 goto failed; |
d6e191a583cc
HTTP/3: bulk parse functions.
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diff
changeset
|
235 } |
7681 | 236 |
8563
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changeset
|
237 if (rc != NGX_AGAIN) { |
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HTTP/3: bulk parse functions.
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238 rc = NGX_HTTP_V3_ERR_GENERAL_PROTOCOL_ERROR; |
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diff
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239 goto failed; |
7681 | 240 } |
241 } | |
242 | |
243 if (ngx_handle_read_event(rev, 0) != NGX_OK) { | |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
244 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
7681 | 245 goto failed; |
246 } | |
247 | |
248 return; | |
249 | |
250 failed: | |
251 | |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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changeset
|
252 ngx_http_v3_finalize_connection(c, rc, "stream error"); |
7681 | 253 ngx_http_v3_close_uni_stream(c); |
254 } | |
255 | |
256 | |
7747
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
257 static void |
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When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
258 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
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|
259 { |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
260 ngx_connection_t *c; |
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When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
261 |
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When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
262 c = wev->data; |
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When closing a QUIC connection, wait for all streams to finish.
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7694
diff
changeset
|
263 |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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parents:
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diff
changeset
|
264 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 dummy write handler"); |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
265 |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
266 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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267 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_INTERNAL_ERROR, |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
268 NULL); |
7747
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When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
269 ngx_http_v3_close_uni_stream(c); |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
270 } |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
271 } |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
272 |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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diff
changeset
|
273 |
7681 | 274 /* XXX async & buffered stream writes */ |
275 | |
8015 | 276 ngx_connection_t * |
277 ngx_http_v3_create_push_stream(ngx_connection_t *c, uint64_t push_id) | |
278 { | |
8430
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
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279 u_char *p, buf[NGX_HTTP_V3_VARLEN_INT_LEN * 2]; |
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diff
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|
280 size_t n; |
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281 ngx_connection_t *sc; |
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282 ngx_pool_cleanup_t *cln; |
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283 ngx_http_v3_push_t *push; |
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diff
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|
284 ngx_http_v3_session_t *h3c; |
8015 | 285 |
286 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
287 "http3 create push stream id:%uL", push_id); | |
288 | |
289 sc = ngx_quic_open_stream(c, 0); | |
290 if (sc == NULL) { | |
8691
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diff
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291 goto failed; |
8015 | 292 } |
293 | |
294 p = buf; | |
295 p = (u_char *) ngx_http_v3_encode_varlen_int(p, NGX_HTTP_V3_STREAM_PUSH); | |
296 p = (u_char *) ngx_http_v3_encode_varlen_int(p, push_id); | |
297 n = p - buf; | |
298 | |
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299 h3c = ngx_http_v3_get_session(c); |
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|
300 h3c->total_bytes += n; |
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diff
changeset
|
301 |
8015 | 302 if (sc->send(sc, buf, n) != (ssize_t) n) { |
303 goto failed; | |
304 } | |
305 | |
306 cln = ngx_pool_cleanup_add(sc->pool, sizeof(ngx_http_v3_push_t)); | |
307 if (cln == NULL) { | |
308 goto failed; | |
309 } | |
310 | |
311 h3c->npushing++; | |
312 | |
313 cln->handler = ngx_http_v3_push_cleanup; | |
314 | |
315 push = cln->data; | |
316 push->id = push_id; | |
317 push->connection = sc; | |
318 push->npushing = &h3c->npushing; | |
319 | |
320 ngx_queue_insert_tail(&h3c->pushing, &push->queue); | |
321 | |
322 return sc; | |
323 | |
324 failed: | |
325 | |
8691
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HTTP/3: adjusted QUIC connection finalization.
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|
326 ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to create push stream"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
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diff
changeset
|
327 |
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HTTP/3: adjusted QUIC connection finalization.
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diff
changeset
|
328 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR, |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
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diff
changeset
|
329 "failed to create push stream"); |
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HTTP/3: adjusted QUIC connection finalization.
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diff
changeset
|
330 if (sc) { |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
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changeset
|
331 ngx_http_v3_close_uni_stream(sc); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
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diff
changeset
|
332 } |
8015 | 333 |
334 return NULL; | |
335 } | |
336 | |
337 | |
338 static void | |
339 ngx_http_v3_push_cleanup(void *data) | |
340 { | |
341 ngx_http_v3_push_t *push = data; | |
342 | |
343 ngx_queue_remove(&push->queue); | |
344 (*push->npushing)--; | |
345 } | |
346 | |
347 | |
7681 | 348 static ngx_connection_t * |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
349 ngx_http_v3_get_uni_stream(ngx_connection_t *c, ngx_uint_t type) |
7681 | 350 { |
351 u_char buf[NGX_HTTP_V3_VARLEN_INT_LEN]; | |
352 size_t n; | |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
353 ngx_int_t index; |
7681 | 354 ngx_connection_t *sc; |
8430
67f0eb150047
HTTP/3: renamed ngx_http_v3_connection_t to ngx_http_v3_session_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8429
diff
changeset
|
355 ngx_http_v3_session_t *h3c; |
7681 | 356 ngx_http_v3_uni_stream_t *us; |
357 | |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
358 switch (type) { |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
359 case NGX_HTTP_V3_STREAM_ENCODER: |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
360 index = NGX_HTTP_V3_STREAM_SERVER_ENCODER; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
361 break; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
362 case NGX_HTTP_V3_STREAM_DECODER: |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
363 index = NGX_HTTP_V3_STREAM_SERVER_DECODER; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
364 break; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
365 case NGX_HTTP_V3_STREAM_CONTROL: |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
366 index = NGX_HTTP_V3_STREAM_SERVER_CONTROL; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
367 break; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
368 default: |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
369 index = -1; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
370 } |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
371 |
8428
40d710a66aef
HTTP/3: ngx_http_v3_get_session() macro.
Roman Arutyunyan <arut@nginx.com>
parents:
8427
diff
changeset
|
372 h3c = ngx_http_v3_get_session(c); |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
373 |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
374 if (index >= 0) { |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
375 if (h3c->known_streams[index]) { |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
376 return h3c->known_streams[index]; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
377 } |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
378 } |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
379 |
8013
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8010
diff
changeset
|
380 sc = ngx_quic_open_stream(c, 0); |
7681 | 381 if (sc == NULL) { |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
382 goto failed; |
7681 | 383 } |
384 | |
8359
fc64ab301bad
QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents:
8358
diff
changeset
|
385 sc->quic->cancelable = 1; |
fc64ab301bad
QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents:
8358
diff
changeset
|
386 |
7681 | 387 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
388 "http3 create uni stream, type:%ui", type); | |
389 | |
390 us = ngx_pcalloc(sc->pool, sizeof(ngx_http_v3_uni_stream_t)); | |
391 if (us == NULL) { | |
392 goto failed; | |
393 } | |
394 | |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
395 us->index = index; |
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
396 |
7681 | 397 sc->data = us; |
398 | |
7747
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
7694
diff
changeset
|
399 sc->read->handler = ngx_http_v3_uni_read_handler; |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
7694
diff
changeset
|
400 sc->write->handler = ngx_http_v3_dummy_write_handler; |
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
7694
diff
changeset
|
401 |
7880
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7839
diff
changeset
|
402 if (index >= 0) { |
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7839
diff
changeset
|
403 h3c->known_streams[index] = sc; |
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7839
diff
changeset
|
404 } |
7681 | 405 |
406 n = (u_char *) ngx_http_v3_encode_varlen_int(buf, type) - buf; | |
407 | |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
408 h3c = ngx_http_v3_get_session(c); |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
409 h3c->total_bytes += n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
410 |
7681 | 411 if (sc->send(sc, buf, n) != (ssize_t) n) { |
412 goto failed; | |
413 } | |
414 | |
415 return sc; | |
416 | |
417 failed: | |
418 | |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
419 ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to create server stream"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
420 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
421 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR, |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
422 "failed to create server stream"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
423 if (sc) { |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
424 ngx_http_v3_close_uni_stream(sc); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
425 } |
7681 | 426 |
427 return NULL; | |
428 } | |
429 | |
430 | |
8434
f4d3f5d93a82
HTTP/3: moved session initialization to a separate file.
Roman Arutyunyan <arut@nginx.com>
parents:
8432
diff
changeset
|
431 ngx_int_t |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
432 ngx_http_v3_send_settings(ngx_connection_t *c) |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
433 { |
8429
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8428
diff
changeset
|
434 u_char *p, buf[NGX_HTTP_V3_VARLEN_INT_LEN * 6]; |
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8428
diff
changeset
|
435 size_t n; |
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8428
diff
changeset
|
436 ngx_connection_t *cc; |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
437 ngx_http_v3_session_t *h3c; |
8429
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8428
diff
changeset
|
438 ngx_http_v3_srv_conf_t *h3scf; |
8013
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8010
diff
changeset
|
439 |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
440 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 send settings"); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
441 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
442 cc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_CONTROL); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
443 if (cc == NULL) { |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
444 return NGX_ERROR; |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
445 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
446 |
8429
9ec3e71f8a61
HTTP/3: reference h3c directly from ngx_http_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8428
diff
changeset
|
447 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
448 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
449 n = ngx_http_v3_encode_varlen_int(NULL, |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
450 NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY); |
8010
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
7999
diff
changeset
|
451 n += ngx_http_v3_encode_varlen_int(NULL, h3scf->max_table_capacity); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
452 n += ngx_http_v3_encode_varlen_int(NULL, NGX_HTTP_V3_PARAM_BLOCKED_STREAMS); |
8010
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
7999
diff
changeset
|
453 n += ngx_http_v3_encode_varlen_int(NULL, h3scf->max_blocked_streams); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
454 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
455 p = (u_char *) ngx_http_v3_encode_varlen_int(buf, |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
456 NGX_HTTP_V3_FRAME_SETTINGS); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
457 p = (u_char *) ngx_http_v3_encode_varlen_int(p, n); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
458 p = (u_char *) ngx_http_v3_encode_varlen_int(p, |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
459 NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY); |
8010
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
7999
diff
changeset
|
460 p = (u_char *) ngx_http_v3_encode_varlen_int(p, h3scf->max_table_capacity); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
461 p = (u_char *) ngx_http_v3_encode_varlen_int(p, |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
462 NGX_HTTP_V3_PARAM_BLOCKED_STREAMS); |
8010
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
7999
diff
changeset
|
463 p = (u_char *) ngx_http_v3_encode_varlen_int(p, h3scf->max_blocked_streams); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
464 n = p - buf; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
465 |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
466 h3c = ngx_http_v3_get_session(c); |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
467 h3c->total_bytes += n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
468 |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
469 if (cc->send(cc, buf, n) != (ssize_t) n) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
470 goto failed; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
471 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
472 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
473 return NGX_OK; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
474 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
475 failed: |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
476 |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
477 ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to send settings"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
478 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
479 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_EXCESSIVE_LOAD, |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
480 "failed to send settings"); |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
481 ngx_http_v3_close_uni_stream(cc); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
482 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
483 return NGX_ERROR; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
484 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
485 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
486 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7880
diff
changeset
|
487 ngx_int_t |
8358
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
488 ngx_http_v3_send_goaway(ngx_connection_t *c, uint64_t id) |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
489 { |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
490 u_char *p, buf[NGX_HTTP_V3_VARLEN_INT_LEN * 3]; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
491 size_t n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
492 ngx_connection_t *cc; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
493 ngx_http_v3_session_t *h3c; |
8358
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
494 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
495 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 send goaway %uL", id); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
496 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
497 cc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_CONTROL); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
498 if (cc == NULL) { |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
499 return NGX_ERROR; |
8358
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
500 } |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
501 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
502 n = ngx_http_v3_encode_varlen_int(NULL, id); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
503 p = (u_char *) ngx_http_v3_encode_varlen_int(buf, NGX_HTTP_V3_FRAME_GOAWAY); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
504 p = (u_char *) ngx_http_v3_encode_varlen_int(p, n); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
505 p = (u_char *) ngx_http_v3_encode_varlen_int(p, id); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
506 n = p - buf; |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
507 |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
508 h3c = ngx_http_v3_get_session(c); |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
509 h3c->total_bytes += n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
510 |
8358
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
511 if (cc->send(cc, buf, n) != (ssize_t) n) { |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
512 goto failed; |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
513 } |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
514 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
515 return NGX_OK; |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
516 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
517 failed: |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
518 |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
519 ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to send goaway"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
520 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
521 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_EXCESSIVE_LOAD, |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
522 "failed to send goaway"); |
8358
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
523 ngx_http_v3_close_uni_stream(cc); |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
524 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
525 return NGX_ERROR; |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
526 } |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
527 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
528 |
265062a99043
HTTP/3: send GOAWAY when last request is accepted.
Roman Arutyunyan <arut@nginx.com>
parents:
8354
diff
changeset
|
529 ngx_int_t |
8508
0ac25efb2da3
HTTP/3: quic-qpack term updates.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8497
diff
changeset
|
530 ngx_http_v3_send_ack_section(ngx_connection_t *c, ngx_uint_t stream_id) |
7681 | 531 { |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
532 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
533 size_t n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
534 ngx_connection_t *dc; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
535 ngx_http_v3_session_t *h3c; |
7681 | 536 |
537 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
538 "http3 send section acknowledgement %ui", stream_id); |
7681 | 539 |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
540 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
7681 | 541 if (dc == NULL) { |
542 return NGX_ERROR; | |
543 } | |
544 | |
545 buf[0] = 0x80; | |
546 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, stream_id, 7) - buf; | |
547 | |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
548 h3c = ngx_http_v3_get_session(c); |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
549 h3c->total_bytes += n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
550 |
7681 | 551 if (dc->send(dc, buf, n) != (ssize_t) n) { |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
552 goto failed; |
7681 | 553 } |
554 | |
555 return NGX_OK; | |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
556 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
557 failed: |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
558 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
559 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
560 "failed to send section acknowledgement"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
561 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
562 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_EXCESSIVE_LOAD, |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
563 "failed to send section acknowledgement"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
564 ngx_http_v3_close_uni_stream(dc); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
565 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
566 return NGX_ERROR; |
7681 | 567 } |
568 | |
569 | |
570 ngx_int_t | |
8431
0981329169ea
HTTP/3: renamed ngx_http_v3_client_XXX() functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8430
diff
changeset
|
571 ngx_http_v3_send_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id) |
7681 | 572 { |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
573 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
574 size_t n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
575 ngx_connection_t *dc; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
576 ngx_http_v3_session_t *h3c; |
7681 | 577 |
578 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
579 "http3 send stream cancellation %ui", stream_id); |
7681 | 580 |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
581 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
7681 | 582 if (dc == NULL) { |
583 return NGX_ERROR; | |
584 } | |
585 | |
586 buf[0] = 0x40; | |
587 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, stream_id, 6) - buf; | |
588 | |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
589 h3c = ngx_http_v3_get_session(c); |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
590 h3c->total_bytes += n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
591 |
7681 | 592 if (dc->send(dc, buf, n) != (ssize_t) n) { |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
593 goto failed; |
7681 | 594 } |
595 | |
596 return NGX_OK; | |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
597 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
598 failed: |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
599 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
600 ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to send stream cancellation"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
601 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
602 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_EXCESSIVE_LOAD, |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
603 "failed to send stream cancellation"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
604 ngx_http_v3_close_uni_stream(dc); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
605 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
606 return NGX_ERROR; |
7681 | 607 } |
608 | |
609 | |
610 ngx_int_t | |
8431
0981329169ea
HTTP/3: renamed ngx_http_v3_client_XXX() functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8430
diff
changeset
|
611 ngx_http_v3_send_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc) |
7681 | 612 { |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
613 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
614 size_t n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
615 ngx_connection_t *dc; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
616 ngx_http_v3_session_t *h3c; |
7681 | 617 |
618 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
619 "http3 send insert count increment %ui", inc); |
7681 | 620 |
7749
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
7747
diff
changeset
|
621 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
7681 | 622 if (dc == NULL) { |
623 return NGX_ERROR; | |
624 } | |
625 | |
626 buf[0] = 0; | |
627 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, inc, 6) - buf; | |
628 | |
8643
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
629 h3c = ngx_http_v3_get_session(c); |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
630 h3c->total_bytes += n; |
72b304f6207c
HTTP/3: traffic-based flood detection.
Roman Arutyunyan <arut@nginx.com>
parents:
8641
diff
changeset
|
631 |
7681 | 632 if (dc->send(dc, buf, n) != (ssize_t) n) { |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
633 goto failed; |
7681 | 634 } |
635 | |
636 return NGX_OK; | |
8691
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
637 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
638 failed: |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
639 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
640 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
641 "failed to send insert count increment"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
642 |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
643 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_EXCESSIVE_LOAD, |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
644 "failed to send insert count increment"); |
925572184d4a
HTTP/3: adjusted QUIC connection finalization.
Roman Arutyunyan <arut@nginx.com>
parents:
8643
diff
changeset
|
645 ngx_http_v3_close_uni_stream(dc); |
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646 |
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647 return NGX_ERROR; |
7681 | 648 } |
8015 | 649 |
650 | |
651 ngx_int_t | |
652 ngx_http_v3_set_max_push_id(ngx_connection_t *c, uint64_t max_push_id) | |
653 { | |
8430
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654 ngx_http_v3_session_t *h3c; |
8015 | 655 |
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656 h3c = ngx_http_v3_get_session(c); |
8015 | 657 |
658 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
659 "http3 MAX_PUSH_ID:%uL", max_push_id); | |
660 | |
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661 if (h3c->max_push_id != (uint64_t) -1 && max_push_id < h3c->max_push_id) { |
8015 | 662 return NGX_HTTP_V3_ERR_ID_ERROR; |
663 } | |
664 | |
665 h3c->max_push_id = max_push_id; | |
666 | |
667 return NGX_OK; | |
668 } | |
669 | |
670 | |
671 ngx_int_t | |
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672 ngx_http_v3_goaway(ngx_connection_t *c, uint64_t push_id) |
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673 { |
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674 ngx_http_v3_session_t *h3c; |
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675 |
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676 h3c = ngx_http_v3_get_session(c); |
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677 |
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678 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 GOAWAY:%uL", push_id); |
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679 |
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680 h3c->goaway_push_id = push_id; |
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681 |
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682 return NGX_OK; |
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683 } |
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684 |
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parents:
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diff
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|
685 |
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686 ngx_int_t |
8015 | 687 ngx_http_v3_cancel_push(ngx_connection_t *c, uint64_t push_id) |
688 { | |
8430
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parents:
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689 ngx_queue_t *q; |
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690 ngx_http_request_t *r; |
67f0eb150047
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691 ngx_http_v3_push_t *push; |
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692 ngx_http_v3_session_t *h3c; |
8015 | 693 |
8428
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changeset
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694 h3c = ngx_http_v3_get_session(c); |
8015 | 695 |
696 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
697 "http3 CANCEL_PUSH:%uL", push_id); | |
698 | |
699 if (push_id >= h3c->next_push_id) { | |
700 return NGX_HTTP_V3_ERR_ID_ERROR; | |
701 } | |
702 | |
703 for (q = ngx_queue_head(&h3c->pushing); | |
704 q != ngx_queue_sentinel(&h3c->pushing); | |
705 q = ngx_queue_next(&h3c->pushing)) | |
706 { | |
707 push = (ngx_http_v3_push_t *) q; | |
708 | |
709 if (push->id != push_id) { | |
710 continue; | |
711 } | |
712 | |
713 r = push->connection->data; | |
714 | |
715 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
716 "http3 cancel push"); | |
717 | |
718 ngx_http_finalize_request(r, NGX_HTTP_CLOSE); | |
719 | |
720 break; | |
721 } | |
722 | |
723 return NGX_OK; | |
724 } | |
8427
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Roman Arutyunyan <arut@nginx.com>
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diff
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|
725 |
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726 |
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diff
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727 ngx_int_t |
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diff
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728 ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id) |
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HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
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diff
changeset
|
729 { |
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parents:
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730 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
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diff
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|
731 "http3 cancel stream %ui", stream_id); |
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HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
732 |
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HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
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|
733 /* we do not use dynamic tables */ |
33ec97749b5f
HTTP/3: moved Stream Cancellation stub to ngx_http_v3_streams.c.
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diff
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|
734 |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
735 return NGX_OK; |
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Roman Arutyunyan <arut@nginx.com>
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736 } |