Mercurial > hg > nginx
annotate src/event/quic/ngx_event_quic_socket.c @ 9197:cc16989c6d61
QUIC: fixed format specifier after a6f79f044de5.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Sat, 16 Dec 2023 03:40:01 +0400 |
parents | 8f7e6d8c061e |
children |
rev | line source |
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8763 | 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 { | |
8955
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
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17 ngx_quic_socket_t *qsock, *tmp; |
8763 | 18 ngx_quic_client_id_t *cid; |
19 | |
20 /* | |
8971
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QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
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21 * qc->path = NULL |
1e2f4e9c8195
QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
|
22 * |
8763 | 23 * qc->nclient_ids = 0 |
24 * qc->nsockets = 0 | |
25 * qc->max_retired_seqnum = 0 | |
26 * qc->client_seqnum = 0 | |
27 */ | |
28 | |
29 ngx_queue_init(&qc->sockets); | |
30 ngx_queue_init(&qc->free_sockets); | |
31 | |
32 ngx_queue_init(&qc->paths); | |
33 ngx_queue_init(&qc->free_paths); | |
34 | |
35 ngx_queue_init(&qc->client_ids); | |
36 ngx_queue_init(&qc->free_client_ids); | |
37 | |
38 qc->tp.original_dcid.len = pkt->odcid.len; | |
39 qc->tp.original_dcid.data = ngx_pstrdup(c->pool, &pkt->odcid); | |
40 if (qc->tp.original_dcid.data == NULL) { | |
9015
a2fbae359828
QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8997
diff
changeset
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41 return NGX_ERROR; |
8763 | 42 } |
43 | |
8955
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
44 /* 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:
8940
diff
changeset
|
45 qsock = ngx_quic_create_socket(c, qc); |
8763 | 46 if (qsock == NULL) { |
47 return NGX_ERROR; | |
48 } | |
49 | |
8955
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
50 /* socket is listening at new server id */ |
8763 | 51 if (ngx_quic_listen(c, qc, qsock) != NGX_OK) { |
52 return NGX_ERROR; | |
53 } | |
54 | |
8971
1e2f4e9c8195
QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
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55 qsock->used = 1; |
1e2f4e9c8195
QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
|
56 |
8763 | 57 qc->tp.initial_scid.len = qsock->sid.len; |
58 qc->tp.initial_scid.data = ngx_pnalloc(c->pool, qsock->sid.len); | |
59 if (qc->tp.initial_scid.data == NULL) { | |
60 goto failed; | |
61 } | |
62 ngx_memcpy(qc->tp.initial_scid.data, qsock->sid.id, qsock->sid.len); | |
63 | |
64 /* for all packets except first, this is set at udp layer */ | |
65 c->udp = &qsock->udp; | |
66 | |
67 /* ngx_quic_get_connection(c) macro is now usable */ | |
68 | |
69 /* we have a client identified by scid */ | |
70 cid = ngx_quic_create_client_id(c, &pkt->scid, 0, NULL); | |
71 if (cid == NULL) { | |
72 goto failed; | |
73 } | |
74 | |
8971
1e2f4e9c8195
QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
|
75 /* path of the first packet is our initial active path */ |
1e2f4e9c8195
QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
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76 qc->path = ngx_quic_new_path(c, c->sockaddr, c->socklen, cid); |
1e2f4e9c8195
QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
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77 if (qc->path == NULL) { |
8763 | 78 goto failed; |
79 } | |
80 | |
8971
1e2f4e9c8195
QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
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81 qc->path->tag = NGX_QUIC_PATH_ACTIVE; |
1e2f4e9c8195
QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
|
82 |
8763 | 83 if (pkt->validated) { |
8971
1e2f4e9c8195
QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
|
84 qc->path->validated = 1; |
8763 | 85 } |
86 | |
8971
1e2f4e9c8195
QUIC: reworked migration handling.
Vladimir Homutov <vl@nginx.com>
parents:
8955
diff
changeset
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87 ngx_quic_path_dbg(c, "set active", qc->path); |
8763 | 88 |
8955
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
89 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:
8940
diff
changeset
|
90 if (tmp == NULL) { |
8763 | 91 goto failed; |
92 } | |
93 | |
8955
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
94 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:
8940
diff
changeset
|
95 |
9153
8f7e6d8c061e
QUIC: use last client dcid to receive initial packets.
Roman Arutyunyan <arut@nginx.com>
parents:
9144
diff
changeset
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96 ngx_memcpy(tmp->sid.id, pkt->dcid.data, pkt->dcid.len); |
8f7e6d8c061e
QUIC: use last client dcid to receive initial packets.
Roman Arutyunyan <arut@nginx.com>
parents:
9144
diff
changeset
|
97 tmp->sid.len = pkt->dcid.len; |
8955
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
98 |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
99 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:
8940
diff
changeset
|
100 goto failed; |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
101 } |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
102 |
8763 | 103 return NGX_OK; |
104 | |
105 failed: | |
106 | |
107 ngx_rbtree_delete(&c->listening->rbtree, &qsock->udp.node); | |
108 c->udp = NULL; | |
109 | |
110 return NGX_ERROR; | |
111 } | |
112 | |
113 | |
114 ngx_quic_socket_t * | |
8955
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
115 ngx_quic_create_socket(ngx_connection_t *c, ngx_quic_connection_t *qc) |
8763 | 116 { |
117 ngx_queue_t *q; | |
118 ngx_quic_socket_t *sock; | |
119 | |
120 if (!ngx_queue_empty(&qc->free_sockets)) { | |
121 | |
122 q = ngx_queue_head(&qc->free_sockets); | |
123 sock = ngx_queue_data(q, ngx_quic_socket_t, queue); | |
124 | |
125 ngx_queue_remove(&sock->queue); | |
126 | |
127 ngx_memzero(sock, sizeof(ngx_quic_socket_t)); | |
128 | |
129 } else { | |
130 | |
131 sock = ngx_pcalloc(c->pool, sizeof(ngx_quic_socket_t)); | |
132 if (sock == NULL) { | |
133 return NULL; | |
134 } | |
135 } | |
136 | |
8955
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
137 sock->sid.len = NGX_QUIC_SERVER_CID_LEN; |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
138 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:
8940
diff
changeset
|
139 return NULL; |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
140 } |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
141 |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
142 sock->sid.seqnum = qc->server_seqnum++; |
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
143 |
8763 | 144 return sock; |
145 } | |
146 | |
147 | |
148 void | |
149 ngx_quic_close_socket(ngx_connection_t *c, ngx_quic_socket_t *qsock) | |
150 { | |
151 ngx_quic_connection_t *qc; | |
152 | |
153 qc = ngx_quic_get_connection(c); | |
154 | |
155 ngx_queue_remove(&qsock->queue); | |
156 ngx_queue_insert_head(&qc->free_sockets, &qsock->queue); | |
157 | |
158 ngx_rbtree_delete(&c->listening->rbtree, &qsock->udp.node); | |
159 qc->nsockets--; | |
160 | |
161 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
8997
fab36e4abf83
QUIC: got rid of hash symbol in backup and logging.
Vladimir Homutov <vl@nginx.com>
parents:
8971
diff
changeset
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162 "quic socket seq:%L closed nsock:%ui", |
8763 | 163 (int64_t) qsock->sid.seqnum, qc->nsockets); |
164 } | |
165 | |
166 | |
167 ngx_int_t | |
168 ngx_quic_listen(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
169 ngx_quic_socket_t *qsock) | |
170 { | |
171 ngx_str_t id; | |
172 ngx_quic_server_id_t *sid; | |
173 | |
174 sid = &qsock->sid; | |
175 | |
176 id.data = sid->id; | |
177 id.len = sid->len; | |
178 | |
9017
c2f5d79cde64
QUIC: separate UDP framework for QUIC.
Roman Arutyunyan <arut@nginx.com>
parents:
9015
diff
changeset
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179 qsock->udp.connection = c; |
c2f5d79cde64
QUIC: separate UDP framework for QUIC.
Roman Arutyunyan <arut@nginx.com>
parents:
9015
diff
changeset
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180 qsock->udp.node.key = ngx_crc32_long(id.data, id.len); |
9107
adcc6d8acfd4
Common tree insert function for QUIC and UDP connections.
Roman Arutyunyan <arut@nginx.com>
parents:
9017
diff
changeset
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181 qsock->udp.key = id; |
9017
c2f5d79cde64
QUIC: separate UDP framework for QUIC.
Roman Arutyunyan <arut@nginx.com>
parents:
9015
diff
changeset
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182 |
c2f5d79cde64
QUIC: separate UDP framework for QUIC.
Roman Arutyunyan <arut@nginx.com>
parents:
9015
diff
changeset
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183 ngx_rbtree_insert(&c->listening->rbtree, &qsock->udp.node); |
8763 | 184 |
185 ngx_queue_insert_tail(&qc->sockets, &qsock->queue); | |
186 | |
187 qc->nsockets++; | |
188 qsock->quic = qc; | |
189 | |
190 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
8997
fab36e4abf83
QUIC: got rid of hash symbol in backup and logging.
Vladimir Homutov <vl@nginx.com>
parents:
8971
diff
changeset
|
191 "quic socket seq:%L listening at sid:%xV nsock:%ui", |
8955
32daba3aabb2
QUIC: got rid of ngx_quic_create_temp_socket().
Vladimir Homutov <vl@nginx.com>
parents:
8940
diff
changeset
|
192 (int64_t) sid->seqnum, &id, qc->nsockets); |
8763 | 193 |
194 return NGX_OK; | |
195 } | |
196 | |
197 | |
198 void | |
199 ngx_quic_close_sockets(ngx_connection_t *c) | |
200 { | |
201 ngx_queue_t *q; | |
202 ngx_quic_socket_t *qsock; | |
203 ngx_quic_connection_t *qc; | |
204 | |
205 qc = ngx_quic_get_connection(c); | |
206 | |
207 while (!ngx_queue_empty(&qc->sockets)) { | |
208 q = ngx_queue_head(&qc->sockets); | |
209 qsock = ngx_queue_data(q, ngx_quic_socket_t, queue); | |
210 | |
211 ngx_quic_close_socket(c, qsock); | |
212 } | |
213 } | |
214 | |
215 | |
216 ngx_quic_socket_t * | |
217 ngx_quic_find_socket(ngx_connection_t *c, uint64_t seqnum) | |
218 { | |
219 ngx_queue_t *q; | |
220 ngx_quic_socket_t *qsock; | |
221 ngx_quic_connection_t *qc; | |
222 | |
223 qc = ngx_quic_get_connection(c); | |
224 | |
225 for (q = ngx_queue_head(&qc->sockets); | |
226 q != ngx_queue_sentinel(&qc->sockets); | |
227 q = ngx_queue_next(q)) | |
228 { | |
229 qsock = ngx_queue_data(q, ngx_quic_socket_t, queue); | |
230 | |
231 if (qsock->sid.seqnum == seqnum) { | |
232 return qsock; | |
233 } | |
234 } | |
235 | |
236 return NULL; | |
237 } |