Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_streams.c @ 8495:455a8536eaa7 quic
QUIC: limited the number of server-initiated streams.
Also, ngx_quic_create_uni_stream() is replaced with
ngx_quic_open_stream() which is capable of creating a bidi stream.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Mon, 27 Jul 2020 18:51:42 +0300 |
| parents | 65c1fc5fae15 |
| children | 0596fe1aee16 |
| 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); |
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30 static ngx_int_t ngx_http_v3_send_settings(ngx_connection_t *c); |
| 8215 | 31 |
| 32 | |
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33 ngx_int_t |
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34 ngx_http_v3_init_connection(ngx_connection_t *c) |
| 8215 | 35 { |
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36 ngx_http_connection_t *hc; |
| 8215 | 37 ngx_http_v3_uni_stream_t *us; |
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38 ngx_http_v3_connection_t *h3c; |
| 8215 | 39 |
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40 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 init connection"); |
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41 |
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42 hc = c->data; |
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43 |
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44 if (c->qs == NULL) { |
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45 h3c = ngx_pcalloc(c->pool, sizeof(ngx_http_v3_connection_t)); |
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46 if (h3c == NULL) { |
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47 return NGX_ERROR; |
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48 } |
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49 |
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50 h3c->hc = *hc; |
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51 |
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52 ngx_queue_init(&h3c->blocked); |
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53 |
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54 c->data = h3c; |
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55 return NGX_OK; |
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56 } |
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57 |
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58 if (ngx_http_v3_send_settings(c) == NGX_ERROR) { |
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59 return NGX_ERROR; |
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60 } |
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61 |
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62 if ((c->qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0) { |
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63 return NGX_OK; |
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64 } |
| 8215 | 65 |
| 66 us = ngx_pcalloc(c->pool, sizeof(ngx_http_v3_uni_stream_t)); | |
| 67 if (us == NULL) { | |
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68 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_INTERNAL_ERROR, |
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69 NULL); |
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70 return NGX_ERROR; |
| 8215 | 71 } |
| 72 | |
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73 us->index = -1; |
| 8215 | 74 |
| 75 c->data = us; | |
| 76 | |
| 77 c->read->handler = ngx_http_v3_read_uni_stream_type; | |
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78 c->write->handler = ngx_http_v3_dummy_write_handler; |
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79 |
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80 ngx_http_v3_read_uni_stream_type(c->read); |
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81 |
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82 return NGX_DONE; |
| 8215 | 83 } |
| 84 | |
| 85 | |
| 86 static void | |
| 87 ngx_http_v3_close_uni_stream(ngx_connection_t *c) | |
| 88 { | |
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89 ngx_pool_t *pool; |
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90 ngx_http_v3_connection_t *h3c; |
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91 ngx_http_v3_uni_stream_t *us; |
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92 |
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93 us = c->data; |
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94 h3c = c->qs->parent->data; |
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95 |
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96 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 close stream"); |
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97 |
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98 if (us->index >= 0) { |
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99 h3c->known_streams[us->index] = NULL; |
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100 } |
| 8215 | 101 |
| 102 c->destroyed = 1; | |
| 103 | |
| 104 pool = c->pool; | |
| 105 | |
| 106 ngx_close_connection(c); | |
| 107 | |
| 108 ngx_destroy_pool(pool); | |
| 109 } | |
| 110 | |
| 111 | |
| 112 static void | |
| 113 ngx_http_v3_read_uni_stream_type(ngx_event_t *rev) | |
| 114 { | |
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115 u_char ch; |
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116 ssize_t n; |
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117 ngx_int_t index, rc; |
| 8215 | 118 ngx_connection_t *c; |
| 119 ngx_http_v3_connection_t *h3c; | |
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120 ngx_http_v3_uni_stream_t *us; |
| 8215 | 121 |
| 122 c = rev->data; | |
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123 us = c->data; |
| 8215 | 124 h3c = c->qs->parent->data; |
| 125 | |
| 126 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read stream type"); | |
| 127 | |
| 128 while (rev->ready) { | |
| 129 | |
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130 n = c->recv(c, &ch, 1); |
| 8215 | 131 |
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132 if (n == NGX_AGAIN) { |
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133 break; |
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134 } |
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135 |
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136 if (n == 0) { |
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137 rc = NGX_HTTP_V3_ERR_GENERAL_PROTOCOL_ERROR; |
| 8215 | 138 goto failed; |
| 139 } | |
| 140 | |
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141 if (n != 1) { |
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142 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
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143 goto failed; |
| 8215 | 144 } |
| 145 | |
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146 switch (ch) { |
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147 |
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148 case NGX_HTTP_V3_STREAM_ENCODER: |
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149 |
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150 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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151 "http3 encoder stream"); |
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152 |
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153 index = NGX_HTTP_V3_STREAM_CLIENT_ENCODER; |
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154 us->handler = ngx_http_v3_parse_encoder; |
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155 n = sizeof(ngx_http_v3_parse_encoder_t); |
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156 |
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157 break; |
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158 |
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159 case NGX_HTTP_V3_STREAM_DECODER: |
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160 |
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161 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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162 "http3 decoder stream"); |
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163 |
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164 index = NGX_HTTP_V3_STREAM_CLIENT_DECODER; |
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165 us->handler = ngx_http_v3_parse_decoder; |
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166 n = sizeof(ngx_http_v3_parse_decoder_t); |
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diff
changeset
|
167 |
|
268f4389130d
Refactored HTTP/3 parser.
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|
168 break; |
|
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Refactored HTTP/3 parser.
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diff
changeset
|
169 |
|
268f4389130d
Refactored HTTP/3 parser.
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diff
changeset
|
170 case NGX_HTTP_V3_STREAM_CONTROL: |
|
268f4389130d
Refactored HTTP/3 parser.
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diff
changeset
|
171 |
|
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Refactored HTTP/3 parser.
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diff
changeset
|
172 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
|
268f4389130d
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diff
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|
173 "http3 control stream"); |
|
268f4389130d
Refactored HTTP/3 parser.
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diff
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|
174 |
|
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diff
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|
175 index = NGX_HTTP_V3_STREAM_CLIENT_CONTROL; |
|
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diff
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|
176 us->handler = ngx_http_v3_parse_control; |
|
8226
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diff
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|
177 n = sizeof(ngx_http_v3_parse_control_t); |
|
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Refactored HTTP/3 parser.
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diff
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|
178 |
|
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Refactored HTTP/3 parser.
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diff
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|
179 break; |
|
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Refactored HTTP/3 parser.
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diff
changeset
|
180 |
|
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diff
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|
181 default: |
| 8215 | 182 |
| 183 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
|
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diff
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|
184 "http3 stream 0x%02xi", (ngx_int_t) ch); |
|
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diff
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|
185 index = -1; |
|
8226
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diff
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|
186 n = 0; |
|
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diff
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|
187 } |
| 8215 | 188 |
|
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|
189 if (index >= 0) { |
|
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Simplifed handling HTTP/3 streams.
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|
190 if (h3c->known_streams[index]) { |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
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|
191 ngx_log_error(NGX_LOG_INFO, c->log, 0, "stream exists"); |
|
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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|
192 rc = NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR; |
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|
193 goto failed; |
|
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Simplifed handling HTTP/3 streams.
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|
194 } |
|
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|
195 |
|
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Simplifed handling HTTP/3 streams.
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|
196 us->index = index; |
|
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Simplifed handling HTTP/3 streams.
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diff
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|
197 h3c->known_streams[index] = c; |
|
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Simplifed handling HTTP/3 streams.
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|
198 } |
|
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|
199 |
|
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diff
changeset
|
200 if (n) { |
|
8283
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diff
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|
201 us->data = ngx_pcalloc(c->pool, n); |
|
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|
202 if (us->data == NULL) { |
|
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|
203 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
|
8226
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|
204 goto failed; |
|
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Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
205 } |
| 8215 | 206 } |
| 207 | |
|
8226
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Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
208 rev->handler = ngx_http_v3_uni_read_handler; |
|
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
209 ngx_http_v3_uni_read_handler(rev); |
|
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Refactored HTTP/3 parser.
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diff
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|
210 return; |
| 8215 | 211 } |
| 212 | |
| 213 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.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
214 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
| 8215 | 215 goto failed; |
| 216 } | |
| 217 | |
| 218 return; | |
| 219 | |
| 220 failed: | |
| 221 | |
|
8460
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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
changeset
|
222 ngx_http_v3_finalize_connection(c, rc, "could not read stream type"); |
| 8215 | 223 ngx_http_v3_close_uni_stream(c); |
| 224 } | |
| 225 | |
| 226 | |
| 227 static void | |
|
8226
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Refactored HTTP/3 parser.
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diff
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|
228 ngx_http_v3_uni_read_handler(ngx_event_t *rev) |
| 8215 | 229 { |
|
8226
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
230 u_char buf[128]; |
| 8215 | 231 ssize_t n; |
|
8226
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diff
changeset
|
232 ngx_int_t rc, i; |
|
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Refactored HTTP/3 parser.
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diff
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|
233 ngx_connection_t *c; |
|
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
234 ngx_http_v3_uni_stream_t *us; |
| 8215 | 235 |
| 236 c = rev->data; | |
|
8283
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Simplifed handling HTTP/3 streams.
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diff
changeset
|
237 us = c->data; |
| 8215 | 238 |
|
8226
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Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
239 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read handler"); |
| 8215 | 240 |
| 241 while (rev->ready) { | |
| 242 | |
|
8226
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Refactored HTTP/3 parser.
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changeset
|
243 n = c->recv(c, buf, sizeof(buf)); |
| 8215 | 244 |
|
8460
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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
changeset
|
245 if (n == NGX_ERROR) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8456
diff
changeset
|
246 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
| 8215 | 247 goto failed; |
| 248 } | |
| 249 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8456
diff
changeset
|
250 if (n == 0) { |
|
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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
changeset
|
251 if (us->index >= 0) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
252 rc = NGX_HTTP_V3_ERR_CLOSED_CRITICAL_STREAM; |
|
72f9ff4e0a88
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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|
253 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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|
254 } |
|
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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8456
diff
changeset
|
255 |
|
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8456
diff
changeset
|
256 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read eof"); |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
257 ngx_http_v3_close_uni_stream(c); |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
258 return; |
|
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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
changeset
|
259 } |
|
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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8456
diff
changeset
|
260 |
|
8226
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Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
261 if (n == NGX_AGAIN) { |
| 8215 | 262 break; |
| 263 } | |
| 264 | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
265 if (us->handler == NULL) { |
|
8226
268f4389130d
Refactored HTTP/3 parser.
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parents:
8215
diff
changeset
|
266 continue; |
|
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
267 } |
| 8215 | 268 |
|
8226
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8215
diff
changeset
|
269 for (i = 0; i < n; i++) { |
| 8215 | 270 |
|
8283
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Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
271 rc = us->handler(c, us->data, buf[i]); |
| 8215 | 272 |
|
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
273 if (rc == NGX_DONE) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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8456
diff
changeset
|
274 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
275 "http3 read done"); |
|
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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8456
diff
changeset
|
276 ngx_http_v3_close_uni_stream(c); |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
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diff
changeset
|
277 return; |
|
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
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diff
changeset
|
278 } |
|
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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8456
diff
changeset
|
279 |
|
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8456
diff
changeset
|
280 if (rc > 0) { |
| 8215 | 281 goto failed; |
| 282 } | |
| 283 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
8456
diff
changeset
|
284 if (rc != NGX_AGAIN) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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changeset
|
285 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>
parents:
8456
diff
changeset
|
286 goto failed; |
| 8215 | 287 } |
| 288 } | |
| 289 } | |
| 290 | |
| 291 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>
parents:
8456
diff
changeset
|
292 rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR; |
| 8215 | 293 goto failed; |
| 294 } | |
| 295 | |
| 296 return; | |
| 297 | |
| 298 failed: | |
| 299 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8456
diff
changeset
|
300 ngx_http_v3_finalize_connection(c, rc, "stream error"); |
| 8215 | 301 ngx_http_v3_close_uni_stream(c); |
| 302 } | |
| 303 | |
| 304 | |
|
8281
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
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8228
diff
changeset
|
305 static void |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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8228
diff
changeset
|
306 ngx_http_v3_dummy_write_handler(ngx_event_t *wev) |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
307 { |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
308 ngx_connection_t *c; |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
309 |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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8228
diff
changeset
|
310 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
|
311 |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
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8228
diff
changeset
|
312 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>
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8228
diff
changeset
|
313 |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
314 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
|
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
315 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
|
316 NULL); |
|
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
|
317 ngx_http_v3_close_uni_stream(c); |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
318 } |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
319 } |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
320 |
|
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
321 |
| 8215 | 322 /* XXX async & buffered stream writes */ |
| 323 | |
| 324 static ngx_connection_t * | |
|
8283
dadbc66e9fca
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8281
diff
changeset
|
325 ngx_http_v3_get_uni_stream(ngx_connection_t *c, ngx_uint_t type) |
| 8215 | 326 { |
| 327 u_char buf[NGX_HTTP_V3_VARLEN_INT_LEN]; | |
| 328 size_t n; | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
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8281
diff
changeset
|
329 ngx_int_t index; |
| 8215 | 330 ngx_connection_t *sc; |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
331 ngx_http_v3_connection_t *h3c; |
| 8215 | 332 ngx_http_v3_uni_stream_t *us; |
| 333 | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
334 switch (type) { |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
335 case NGX_HTTP_V3_STREAM_ENCODER: |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
336 index = NGX_HTTP_V3_STREAM_SERVER_ENCODER; |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
337 break; |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
338 case NGX_HTTP_V3_STREAM_DECODER: |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
339 index = NGX_HTTP_V3_STREAM_SERVER_DECODER; |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
340 break; |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
341 case NGX_HTTP_V3_STREAM_CONTROL: |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
342 index = NGX_HTTP_V3_STREAM_SERVER_CONTROL; |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
343 break; |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
344 default: |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
345 index = -1; |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
346 } |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
347 |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
348 h3c = c->qs->parent->data; |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
349 |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
350 if (index >= 0) { |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
351 if (h3c->known_streams[index]) { |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
352 return h3c->known_streams[index]; |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
353 } |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
354 } |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
355 |
|
8495
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
356 sc = ngx_quic_open_stream(c, 0); |
| 8215 | 357 if (sc == NULL) { |
| 358 return NULL; | |
| 359 } | |
| 360 | |
| 361 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 362 "http3 create uni stream, type:%ui", type); | |
| 363 | |
| 364 us = ngx_pcalloc(sc->pool, sizeof(ngx_http_v3_uni_stream_t)); | |
| 365 if (us == NULL) { | |
| 366 goto failed; | |
| 367 } | |
| 368 | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
369 us->index = index; |
|
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
370 |
| 8215 | 371 sc->data = us; |
| 372 | |
|
8281
618a65de08b3
When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents:
8228
diff
changeset
|
373 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
|
374 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
|
375 |
|
8403
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8362
diff
changeset
|
376 if (index >= 0) { |
|
c101438c69a4
HTTP/3: prevent array access by negative index for unknown streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8362
diff
changeset
|
377 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
|
378 } |
| 8215 | 379 |
| 380 n = (u_char *) ngx_http_v3_encode_varlen_int(buf, type) - buf; | |
| 381 | |
| 382 if (sc->send(sc, buf, n) != (ssize_t) n) { | |
| 383 goto failed; | |
| 384 } | |
| 385 | |
| 386 return sc; | |
| 387 | |
| 388 failed: | |
| 389 | |
| 390 ngx_http_v3_close_uni_stream(sc); | |
| 391 | |
| 392 return NULL; | |
| 393 } | |
| 394 | |
| 395 | |
|
8481
0d2b2664b41c
QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents:
8460
diff
changeset
|
396 static ngx_int_t |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
397 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
|
398 { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
399 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
|
400 size_t n; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
401 ngx_connection_t *cc; |
|
8492
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
8481
diff
changeset
|
402 ngx_http_v3_srv_conf_t *h3scf; |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
403 ngx_http_v3_connection_t *h3c; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
404 |
|
8495
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
405 h3c = c->qs->parent->data; |
|
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
406 |
|
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
407 if (h3c->settings_sent) { |
|
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
408 return NGX_OK; |
|
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
409 } |
|
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
410 |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
411 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:
8403
diff
changeset
|
412 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
413 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:
8403
diff
changeset
|
414 if (cc == NULL) { |
|
8495
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
415 return NGX_DECLINED; |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
416 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
417 |
|
8492
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
8481
diff
changeset
|
418 h3scf = ngx_http_get_module_srv_conf(h3c->hc.conf_ctx, ngx_http_v3_module); |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
419 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
420 n = ngx_http_v3_encode_varlen_int(NULL, |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
421 NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY); |
|
8492
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
8481
diff
changeset
|
422 n += ngx_http_v3_encode_varlen_int(NULL, h3scf->max_table_capacity); |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
423 n += ngx_http_v3_encode_varlen_int(NULL, NGX_HTTP_V3_PARAM_BLOCKED_STREAMS); |
|
8492
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
8481
diff
changeset
|
424 n += ngx_http_v3_encode_varlen_int(NULL, h3scf->max_blocked_streams); |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
425 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
426 p = (u_char *) ngx_http_v3_encode_varlen_int(buf, |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
427 NGX_HTTP_V3_FRAME_SETTINGS); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
428 p = (u_char *) ngx_http_v3_encode_varlen_int(p, n); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
429 p = (u_char *) ngx_http_v3_encode_varlen_int(p, |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
430 NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY); |
|
8492
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
8481
diff
changeset
|
431 p = (u_char *) ngx_http_v3_encode_varlen_int(p, h3scf->max_table_capacity); |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
432 p = (u_char *) ngx_http_v3_encode_varlen_int(p, |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
433 NGX_HTTP_V3_PARAM_BLOCKED_STREAMS); |
|
8492
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
8481
diff
changeset
|
434 p = (u_char *) ngx_http_v3_encode_varlen_int(p, h3scf->max_blocked_streams); |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
435 n = p - buf; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
436 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
437 if (cc->send(cc, buf, n) != (ssize_t) n) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
438 goto failed; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
439 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
440 |
|
8495
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
441 h3c->settings_sent = 1; |
|
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
442 |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
443 return NGX_OK; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
444 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
445 failed: |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
446 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
447 ngx_http_v3_close_uni_stream(cc); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
448 |
|
8495
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
449 ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_INTERNAL_ERROR, |
|
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
450 "could not send settings"); |
|
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8492
diff
changeset
|
451 |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
452 return NGX_ERROR; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
453 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
454 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
455 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8403
diff
changeset
|
456 ngx_int_t |
| 8215 | 457 ngx_http_v3_client_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic, |
| 458 ngx_uint_t index, ngx_str_t *value) | |
| 459 { | |
| 460 u_char *p, buf[NGX_HTTP_V3_PREFIX_INT_LEN * 2]; | |
| 461 size_t n; | |
| 462 ngx_connection_t *ec; | |
| 463 | |
| 464 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 465 "http3 client ref insert, %s[%ui] \"%V\"", | |
| 466 dynamic ? "dynamic" : "static", index, value); | |
| 467 | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
468 ec = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_ENCODER); |
| 8215 | 469 if (ec == NULL) { |
| 470 return NGX_ERROR; | |
| 471 } | |
| 472 | |
| 473 p = buf; | |
| 474 | |
| 475 *p = (dynamic ? 0x80 : 0xc0); | |
| 476 p = (u_char *) ngx_http_v3_encode_prefix_int(p, index, 6); | |
| 477 | |
| 478 /* XXX option for huffman? */ | |
| 479 *p = 0; | |
| 480 p = (u_char *) ngx_http_v3_encode_prefix_int(p, value->len, 7); | |
| 481 | |
| 482 n = p - buf; | |
| 483 | |
| 484 if (ec->send(ec, buf, n) != (ssize_t) n) { | |
| 485 goto failed; | |
| 486 } | |
| 487 | |
| 488 if (ec->send(ec, value->data, value->len) != (ssize_t) value->len) { | |
| 489 goto failed; | |
| 490 } | |
| 491 | |
| 492 return NGX_OK; | |
| 493 | |
| 494 failed: | |
| 495 | |
| 496 ngx_http_v3_close_uni_stream(ec); | |
| 497 | |
| 498 return NGX_ERROR; | |
| 499 } | |
| 500 | |
| 501 | |
| 502 ngx_int_t | |
| 503 ngx_http_v3_client_insert(ngx_connection_t *c, ngx_str_t *name, | |
| 504 ngx_str_t *value) | |
| 505 { | |
| 506 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
| 507 size_t n; | |
| 508 ngx_connection_t *ec; | |
| 509 | |
| 510 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 511 "http3 client insert \"%V\":\"%V\"", name, value); | |
| 512 | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
513 ec = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_ENCODER); |
| 8215 | 514 if (ec == NULL) { |
| 515 return NGX_ERROR; | |
| 516 } | |
| 517 | |
| 518 /* XXX option for huffman? */ | |
| 519 buf[0] = 0x40; | |
| 520 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, name->len, 5) - buf; | |
| 521 | |
| 522 if (ec->send(ec, buf, n) != (ssize_t) n) { | |
| 523 goto failed; | |
| 524 } | |
| 525 | |
| 526 if (ec->send(ec, name->data, name->len) != (ssize_t) name->len) { | |
| 527 goto failed; | |
| 528 } | |
| 529 | |
| 530 /* XXX option for huffman? */ | |
| 531 buf[0] = 0; | |
| 532 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, value->len, 7) - buf; | |
| 533 | |
| 534 if (ec->send(ec, buf, n) != (ssize_t) n) { | |
| 535 goto failed; | |
| 536 } | |
| 537 | |
| 538 if (ec->send(ec, value->data, value->len) != (ssize_t) value->len) { | |
| 539 goto failed; | |
| 540 } | |
| 541 | |
| 542 return NGX_OK; | |
| 543 | |
| 544 failed: | |
| 545 | |
| 546 ngx_http_v3_close_uni_stream(ec); | |
| 547 | |
| 548 return NGX_ERROR; | |
| 549 } | |
| 550 | |
| 551 | |
| 552 ngx_int_t | |
| 553 ngx_http_v3_client_set_capacity(ngx_connection_t *c, ngx_uint_t capacity) | |
| 554 { | |
| 555 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
| 556 size_t n; | |
| 557 ngx_connection_t *ec; | |
| 558 | |
| 559 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 560 "http3 client set capacity %ui", capacity); | |
| 561 | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
562 ec = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_ENCODER); |
| 8215 | 563 if (ec == NULL) { |
| 564 return NGX_ERROR; | |
| 565 } | |
| 566 | |
| 567 buf[0] = 0x20; | |
| 568 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, capacity, 5) - buf; | |
| 569 | |
| 570 if (ec->send(ec, buf, n) != (ssize_t) n) { | |
| 571 ngx_http_v3_close_uni_stream(ec); | |
| 572 return NGX_ERROR; | |
| 573 } | |
| 574 | |
| 575 return NGX_OK; | |
| 576 } | |
| 577 | |
| 578 | |
| 579 ngx_int_t | |
| 580 ngx_http_v3_client_duplicate(ngx_connection_t *c, ngx_uint_t index) | |
| 581 { | |
| 582 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
| 583 size_t n; | |
| 584 ngx_connection_t *ec; | |
| 585 | |
| 586 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 587 "http3 client duplicate %ui", index); | |
| 588 | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
589 ec = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_ENCODER); |
| 8215 | 590 if (ec == NULL) { |
| 591 return NGX_ERROR; | |
| 592 } | |
| 593 | |
| 594 buf[0] = 0; | |
| 595 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, index, 5) - buf; | |
| 596 | |
| 597 if (ec->send(ec, buf, n) != (ssize_t) n) { | |
| 598 ngx_http_v3_close_uni_stream(ec); | |
| 599 return NGX_ERROR; | |
| 600 } | |
| 601 | |
| 602 return NGX_OK; | |
| 603 } | |
| 604 | |
| 605 | |
| 606 ngx_int_t | |
| 607 ngx_http_v3_client_ack_header(ngx_connection_t *c, ngx_uint_t stream_id) | |
| 608 { | |
| 609 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
| 610 size_t n; | |
| 611 ngx_connection_t *dc; | |
| 612 | |
| 613 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 614 "http3 client ack header %ui", stream_id); | |
| 615 | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
616 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
| 8215 | 617 if (dc == NULL) { |
| 618 return NGX_ERROR; | |
| 619 } | |
| 620 | |
| 621 buf[0] = 0x80; | |
| 622 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, stream_id, 7) - buf; | |
| 623 | |
| 624 if (dc->send(dc, buf, n) != (ssize_t) n) { | |
| 625 ngx_http_v3_close_uni_stream(dc); | |
| 626 return NGX_ERROR; | |
| 627 } | |
| 628 | |
| 629 return NGX_OK; | |
| 630 } | |
| 631 | |
| 632 | |
| 633 ngx_int_t | |
| 634 ngx_http_v3_client_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id) | |
| 635 { | |
| 636 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
| 637 size_t n; | |
| 638 ngx_connection_t *dc; | |
| 639 | |
| 640 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 641 "http3 client cancel stream %ui", stream_id); | |
| 642 | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
643 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
| 8215 | 644 if (dc == NULL) { |
| 645 return NGX_ERROR; | |
| 646 } | |
| 647 | |
| 648 buf[0] = 0x40; | |
| 649 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, stream_id, 6) - buf; | |
| 650 | |
| 651 if (dc->send(dc, buf, n) != (ssize_t) n) { | |
| 652 ngx_http_v3_close_uni_stream(dc); | |
| 653 return NGX_ERROR; | |
| 654 } | |
| 655 | |
| 656 return NGX_OK; | |
| 657 } | |
| 658 | |
| 659 | |
| 660 ngx_int_t | |
| 661 ngx_http_v3_client_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc) | |
| 662 { | |
| 663 u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN]; | |
| 664 size_t n; | |
| 665 ngx_connection_t *dc; | |
| 666 | |
| 667 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 668 "http3 client increment insert count %ui", inc); | |
| 669 | |
|
8283
dadbc66e9fca
Simplifed handling HTTP/3 streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8281
diff
changeset
|
670 dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER); |
| 8215 | 671 if (dc == NULL) { |
| 672 return NGX_ERROR; | |
| 673 } | |
| 674 | |
| 675 buf[0] = 0; | |
| 676 n = (u_char *) ngx_http_v3_encode_prefix_int(buf, inc, 6) - buf; | |
| 677 | |
| 678 if (dc->send(dc, buf, n) != (ssize_t) n) { | |
| 679 ngx_http_v3_close_uni_stream(dc); | |
| 680 return NGX_ERROR; | |
| 681 } | |
| 682 | |
| 683 return NGX_OK; | |
| 684 } |