Mercurial > hg > nginx-quic
annotate src/event/quic/ngx_event_quic_socket.c @ 8790:ad67fcc30567 quic
HTTP/3: removed useless warning regarding OpenSSL library.
After 0e6528551f26, it became impossible to run into this path.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Thu, 13 Jan 2022 15:57:15 +0300 |
parents | 32daba3aabb2 |
children | 1e2f4e9c8195 |
rev | line source |
---|---|
8423 | 1 |
2 /* | |
3 * Copyright (C) Nginx, Inc. | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_event.h> | |
10 #include <ngx_event_quic_connection.h> | |
11 | |
12 | |
13 ngx_int_t | |
14 ngx_quic_open_sockets(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
15 ngx_quic_header_t *pkt) | |
16 { | |
17 ngx_quic_path_t *path; | |
8768
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
18 ngx_quic_socket_t *qsock, *tmp; |
8423 | 19 ngx_quic_client_id_t *cid; |
20 | |
21 /* | |
22 * qc->nclient_ids = 0 | |
23 * qc->nsockets = 0 | |
24 * qc->max_retired_seqnum = 0 | |
25 * qc->client_seqnum = 0 | |
26 */ | |
27 | |
28 ngx_queue_init(&qc->sockets); | |
29 ngx_queue_init(&qc->free_sockets); | |
30 | |
31 ngx_queue_init(&qc->paths); | |
32 ngx_queue_init(&qc->free_paths); | |
33 | |
34 ngx_queue_init(&qc->client_ids); | |
35 ngx_queue_init(&qc->free_client_ids); | |
36 | |
37 qc->tp.original_dcid.len = pkt->odcid.len; | |
38 qc->tp.original_dcid.data = ngx_pstrdup(c->pool, &pkt->odcid); | |
39 if (qc->tp.original_dcid.data == NULL) { | |
40 return NGX_ERROR; | |
41 } | |
42 | |
8768
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
43 /* socket to use for further processing (id auto-generated) */ |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
44 qsock = ngx_quic_create_socket(c, qc); |
8423 | 45 if (qsock == NULL) { |
46 return NGX_ERROR; | |
47 } | |
48 | |
8768
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
49 /* socket is listening at new server id */ |
8423 | 50 if (ngx_quic_listen(c, qc, qsock) != NGX_OK) { |
51 return NGX_ERROR; | |
52 } | |
53 | |
54 qc->tp.initial_scid.len = qsock->sid.len; | |
55 qc->tp.initial_scid.data = ngx_pnalloc(c->pool, qsock->sid.len); | |
56 if (qc->tp.initial_scid.data == NULL) { | |
57 goto failed; | |
58 } | |
59 ngx_memcpy(qc->tp.initial_scid.data, qsock->sid.id, qsock->sid.len); | |
60 | |
61 /* for all packets except first, this is set at udp layer */ | |
62 c->udp = &qsock->udp; | |
63 | |
64 /* ngx_quic_get_connection(c) macro is now usable */ | |
65 | |
66 /* we have a client identified by scid */ | |
67 cid = ngx_quic_create_client_id(c, &pkt->scid, 0, NULL); | |
68 if (cid == NULL) { | |
69 goto failed; | |
70 } | |
71 | |
72 /* the client arrived from this path */ | |
73 path = ngx_quic_add_path(c, c->sockaddr, c->socklen); | |
74 if (path == NULL) { | |
75 goto failed; | |
76 } | |
77 | |
78 if (pkt->validated) { | |
79 path->state = NGX_QUIC_PATH_VALIDATED; | |
8729
fb41e37ddeb0
QUIC: decoupled path state and limitation status.
Vladimir Homutov <vl@nginx.com>
parents:
8728
diff
changeset
|
80 path->limited = 0; |
8423 | 81 } |
82 | |
83 /* now bind socket to client and path */ | |
84 ngx_quic_connect(c, qsock, path, cid); | |
85 | |
8768
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
86 tmp = ngx_pcalloc(c->pool, sizeof(ngx_quic_socket_t)); |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
87 if (tmp == NULL) { |
8423 | 88 goto failed; |
89 } | |
90 | |
8768
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
91 tmp->sid.seqnum = NGX_QUIC_UNSET_PN; /* temporary socket */ |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
92 |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
93 ngx_memcpy(tmp->sid.id, pkt->odcid.data, pkt->odcid.len); |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
94 tmp->sid.len = pkt->odcid.len; |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
95 |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
96 if (ngx_quic_listen(c, qc, tmp) != NGX_OK) { |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
97 goto failed; |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
98 } |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
99 |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
100 ngx_quic_connect(c, tmp, path, cid); |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
101 |
8423 | 102 /* use this socket as default destination */ |
103 qc->socket = qsock; | |
104 | |
105 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
106 "quic active socket is #%uL:%uL:%uL (%s)", | |
107 qsock->sid.seqnum, qsock->cid->seqnum, qsock->path->seqnum, | |
108 ngx_quic_path_state_str(qsock->path)); | |
109 | |
110 return NGX_OK; | |
111 | |
112 failed: | |
113 | |
114 ngx_rbtree_delete(&c->listening->rbtree, &qsock->udp.node); | |
115 c->udp = NULL; | |
116 | |
117 return NGX_ERROR; | |
118 } | |
119 | |
120 | |
121 ngx_quic_socket_t * | |
8768
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
122 ngx_quic_create_socket(ngx_connection_t *c, ngx_quic_connection_t *qc) |
8423 | 123 { |
124 ngx_queue_t *q; | |
125 ngx_quic_socket_t *sock; | |
126 | |
127 if (!ngx_queue_empty(&qc->free_sockets)) { | |
128 | |
129 q = ngx_queue_head(&qc->free_sockets); | |
130 sock = ngx_queue_data(q, ngx_quic_socket_t, queue); | |
131 | |
132 ngx_queue_remove(&sock->queue); | |
133 | |
134 ngx_memzero(sock, sizeof(ngx_quic_socket_t)); | |
135 | |
136 } else { | |
137 | |
138 sock = ngx_pcalloc(c->pool, sizeof(ngx_quic_socket_t)); | |
139 if (sock == NULL) { | |
140 return NULL; | |
141 } | |
142 } | |
143 | |
8768
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
144 sock->sid.len = NGX_QUIC_SERVER_CID_LEN; |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
145 if (ngx_quic_create_server_id(c, sock->sid.id) != NGX_OK) { |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
146 return NULL; |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
147 } |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
148 |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
149 sock->sid.seqnum = qc->server_seqnum++; |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
150 |
8423 | 151 return sock; |
152 } | |
153 | |
154 | |
155 void | |
156 ngx_quic_close_socket(ngx_connection_t *c, ngx_quic_socket_t *qsock) | |
157 { | |
158 ngx_quic_connection_t *qc; | |
159 | |
160 qc = ngx_quic_get_connection(c); | |
161 | |
162 ngx_queue_remove(&qsock->queue); | |
163 ngx_queue_insert_head(&qc->free_sockets, &qsock->queue); | |
164 | |
165 ngx_rbtree_delete(&c->listening->rbtree, &qsock->udp.node); | |
166 qc->nsockets--; | |
167 | |
168 if (qsock->path) { | |
169 ngx_quic_unref_path(c, qsock->path); | |
170 } | |
171 | |
172 if (qsock->cid) { | |
173 ngx_quic_unref_client_id(c, qsock->cid); | |
174 } | |
175 | |
176 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
177 "quic socket #%L closed nsock:%ui", | |
178 (int64_t) qsock->sid.seqnum, qc->nsockets); | |
179 } | |
180 | |
181 | |
8700
b09f055daa4e
QUIC: fixed handling of RETIRE_CONNECTION_ID frame.
Vladimir Homutov <vl@nginx.com>
parents:
8650
diff
changeset
|
182 void |
8423 | 183 ngx_quic_unref_path(ngx_connection_t *c, ngx_quic_path_t *path) |
184 { | |
185 ngx_quic_connection_t *qc; | |
186 | |
187 path->refcnt--; | |
188 | |
189 if (path->refcnt) { | |
190 return; | |
191 } | |
192 | |
193 qc = ngx_quic_get_connection(c); | |
194 | |
195 ngx_queue_remove(&path->queue); | |
196 ngx_queue_insert_head(&qc->free_paths, &path->queue); | |
197 | |
198 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
199 "quic path #%uL addr:%V removed", | |
200 path->seqnum, &path->addr_text); | |
201 } | |
202 | |
203 | |
204 ngx_int_t | |
205 ngx_quic_listen(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
206 ngx_quic_socket_t *qsock) | |
207 { | |
208 ngx_str_t id; | |
209 ngx_quic_server_id_t *sid; | |
210 | |
211 sid = &qsock->sid; | |
212 | |
213 id.data = sid->id; | |
214 id.len = sid->len; | |
215 | |
216 ngx_insert_udp_connection(c, &qsock->udp, &id); | |
217 | |
218 ngx_queue_insert_tail(&qc->sockets, &qsock->queue); | |
219 | |
220 qc->nsockets++; | |
221 qsock->quic = qc; | |
222 | |
223 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
8768
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
224 "quic socket #%L listening at sid:%xV nsock:%ui", |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8729
diff
changeset
|
225 (int64_t) sid->seqnum, &id, qc->nsockets); |
8423 | 226 |
227 return NGX_OK; | |
228 } | |
229 | |
230 | |
231 void | |
232 ngx_quic_connect(ngx_connection_t *c, ngx_quic_socket_t *sock, | |
233 ngx_quic_path_t *path, ngx_quic_client_id_t *cid) | |
234 { | |
235 sock->path = path; | |
236 path->refcnt++; | |
237 | |
238 sock->cid = cid; | |
239 cid->refcnt++; | |
240 | |
241 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
242 "quic socket #%L connected to cid #%uL path:%uL", | |
243 (int64_t) sock->sid.seqnum, | |
244 sock->cid->seqnum, path->seqnum); | |
245 } | |
246 | |
247 | |
248 void | |
249 ngx_quic_close_sockets(ngx_connection_t *c) | |
250 { | |
251 ngx_queue_t *q; | |
252 ngx_quic_socket_t *qsock; | |
253 ngx_quic_connection_t *qc; | |
254 | |
255 qc = ngx_quic_get_connection(c); | |
256 | |
257 while (!ngx_queue_empty(&qc->sockets)) { | |
258 q = ngx_queue_head(&qc->sockets); | |
259 qsock = ngx_queue_data(q, ngx_quic_socket_t, queue); | |
260 | |
261 ngx_quic_close_socket(c, qsock); | |
262 } | |
263 } | |
264 | |
265 | |
266 ngx_quic_socket_t * | |
267 ngx_quic_find_socket(ngx_connection_t *c, uint64_t seqnum) | |
268 { | |
269 ngx_queue_t *q; | |
270 ngx_quic_socket_t *qsock; | |
271 ngx_quic_connection_t *qc; | |
272 | |
273 qc = ngx_quic_get_connection(c); | |
274 | |
275 for (q = ngx_queue_head(&qc->sockets); | |
276 q != ngx_queue_sentinel(&qc->sockets); | |
277 q = ngx_queue_next(q)) | |
278 { | |
279 qsock = ngx_queue_data(q, ngx_quic_socket_t, queue); | |
280 | |
281 if (qsock->sid.seqnum == seqnum) { | |
282 return qsock; | |
283 } | |
284 } | |
285 | |
286 return NULL; | |
287 } | |
288 | |
289 | |
290 ngx_quic_socket_t * | |
291 ngx_quic_get_unconnected_socket(ngx_connection_t *c) | |
292 { | |
293 ngx_queue_t *q; | |
294 ngx_quic_socket_t *sock; | |
295 ngx_quic_connection_t *qc; | |
296 | |
297 qc = ngx_quic_get_connection(c); | |
298 | |
299 for (q = ngx_queue_head(&qc->sockets); | |
300 q != ngx_queue_sentinel(&qc->sockets); | |
301 q = ngx_queue_next(q)) | |
302 { | |
303 sock = ngx_queue_data(q, ngx_quic_socket_t, queue); | |
304 | |
305 if (sock->cid == NULL) { | |
306 return sock; | |
307 } | |
308 } | |
309 | |
310 return NULL; | |
8650 | 311 } |