Mercurial > hg > nginx-quic
annotate src/stream/ngx_stream_handler.c @ 6148:bf8b6534db3a
Upstream hash: consistency across little/big endianness.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Mon, 18 May 2015 16:05:44 +0300 |
parents | 187aa751ad62 |
children | 8807a2369b1a |
rev | line source |
---|---|
6115 | 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_event.h> | |
11 #include <ngx_stream.h> | |
12 | |
13 | |
14 static u_char *ngx_stream_log_error(ngx_log_t *log, u_char *buf, size_t len); | |
15 static void ngx_stream_init_session(ngx_connection_t *c); | |
16 | |
17 #if (NGX_STREAM_SSL) | |
18 static void ngx_stream_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c); | |
19 static void ngx_stream_ssl_handshake_handler(ngx_connection_t *c); | |
20 #endif | |
21 | |
22 | |
23 void | |
24 ngx_stream_init_connection(ngx_connection_t *c) | |
25 { | |
26 u_char text[NGX_SOCKADDR_STRLEN]; | |
27 size_t len; | |
28 ngx_uint_t i; | |
29 struct sockaddr *sa; | |
30 ngx_stream_port_t *port; | |
31 struct sockaddr_in *sin; | |
32 ngx_stream_in_addr_t *addr; | |
33 ngx_stream_session_t *s; | |
34 ngx_stream_addr_conf_t *addr_conf; | |
35 #if (NGX_HAVE_INET6) | |
36 struct sockaddr_in6 *sin6; | |
37 ngx_stream_in6_addr_t *addr6; | |
38 #endif | |
39 ngx_stream_core_srv_conf_t *cscf; | |
40 | |
41 /* find the server configuration for the address:port */ | |
42 | |
43 port = c->listening->servers; | |
44 | |
45 if (port->naddrs > 1) { | |
46 | |
47 /* | |
48 * There are several addresses on this port and one of them | |
49 * is the "*:port" wildcard so getsockname() is needed to determine | |
50 * the server address. | |
51 * | |
52 * AcceptEx() already gave this address. | |
53 */ | |
54 | |
55 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { | |
56 ngx_stream_close_connection(c); | |
57 return; | |
58 } | |
59 | |
60 sa = c->local_sockaddr; | |
61 | |
62 switch (sa->sa_family) { | |
63 | |
64 #if (NGX_HAVE_INET6) | |
65 case AF_INET6: | |
66 sin6 = (struct sockaddr_in6 *) sa; | |
67 | |
68 addr6 = port->addrs; | |
69 | |
70 /* the last address is "*" */ | |
71 | |
72 for (i = 0; i < port->naddrs - 1; i++) { | |
73 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) { | |
74 break; | |
75 } | |
76 } | |
77 | |
78 addr_conf = &addr6[i].conf; | |
79 | |
80 break; | |
81 #endif | |
82 | |
83 default: /* AF_INET */ | |
84 sin = (struct sockaddr_in *) sa; | |
85 | |
86 addr = port->addrs; | |
87 | |
88 /* the last address is "*" */ | |
89 | |
90 for (i = 0; i < port->naddrs - 1; i++) { | |
91 if (addr[i].addr == sin->sin_addr.s_addr) { | |
92 break; | |
93 } | |
94 } | |
95 | |
96 addr_conf = &addr[i].conf; | |
97 | |
98 break; | |
99 } | |
100 | |
101 } else { | |
102 switch (c->local_sockaddr->sa_family) { | |
103 | |
104 #if (NGX_HAVE_INET6) | |
105 case AF_INET6: | |
106 addr6 = port->addrs; | |
107 addr_conf = &addr6[0].conf; | |
108 break; | |
109 #endif | |
110 | |
111 default: /* AF_INET */ | |
112 addr = port->addrs; | |
113 addr_conf = &addr[0].conf; | |
114 break; | |
115 } | |
116 } | |
117 | |
118 s = ngx_pcalloc(c->pool, sizeof(ngx_stream_session_t)); | |
119 if (s == NULL) { | |
120 ngx_stream_close_connection(c); | |
121 return; | |
122 } | |
123 | |
124 s->signature = NGX_STREAM_MODULE; | |
125 s->main_conf = addr_conf->ctx->main_conf; | |
126 s->srv_conf = addr_conf->ctx->srv_conf; | |
127 | |
128 s->connection = c; | |
129 c->data = s; | |
130 | |
131 cscf = ngx_stream_get_module_srv_conf(s, ngx_stream_core_module); | |
132 | |
6129
187aa751ad62
Core: the ngx_set_connection_log() macro.
Vladimir Homutov <vl@nginx.com>
parents:
6115
diff
changeset
|
133 ngx_set_connection_log(c, cscf->error_log); |
6115 | 134 |
135 len = ngx_sock_ntop(c->sockaddr, c->socklen, text, NGX_SOCKADDR_STRLEN, 1); | |
136 | |
137 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%uA client %*s connected to %V", | |
138 c->number, len, text, &addr_conf->addr_text); | |
139 | |
140 c->log->connection = c->number; | |
141 c->log->handler = ngx_stream_log_error; | |
142 c->log->data = s; | |
143 c->log->action = "initializing connection"; | |
144 c->log_error = NGX_ERROR_INFO; | |
145 | |
146 #if (NGX_STREAM_SSL) | |
147 { | |
148 ngx_stream_ssl_conf_t *sslcf; | |
149 | |
150 sslcf = ngx_stream_get_module_srv_conf(s, ngx_stream_ssl_module); | |
151 | |
152 if (addr_conf->ssl) { | |
153 c->log->action = "SSL handshaking"; | |
154 | |
155 if (sslcf->ssl.ctx == NULL) { | |
156 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
157 "no \"ssl_certificate\" is defined " | |
158 "in server listening on SSL port"); | |
159 ngx_stream_close_connection(c); | |
160 return; | |
161 } | |
162 | |
163 ngx_stream_ssl_init_connection(&sslcf->ssl, c); | |
164 return; | |
165 } | |
166 } | |
167 #endif | |
168 | |
169 ngx_stream_init_session(c); | |
170 } | |
171 | |
172 | |
173 static void | |
174 ngx_stream_init_session(ngx_connection_t *c) | |
175 { | |
176 ngx_stream_session_t *s; | |
177 ngx_stream_core_srv_conf_t *cscf; | |
178 | |
179 s = c->data; | |
180 c->log->action = "handling client connection"; | |
181 | |
182 cscf = ngx_stream_get_module_srv_conf(s, ngx_stream_core_module); | |
183 | |
184 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_stream_max_module); | |
185 if (s->ctx == NULL) { | |
186 ngx_stream_close_connection(c); | |
187 return; | |
188 } | |
189 | |
190 cscf->handler(s); | |
191 } | |
192 | |
193 | |
194 #if (NGX_STREAM_SSL) | |
195 | |
196 static void | |
197 ngx_stream_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) | |
198 { | |
199 ngx_stream_session_t *s; | |
200 ngx_stream_ssl_conf_t *sslcf; | |
201 | |
202 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
203 ngx_stream_close_connection(c); | |
204 return; | |
205 } | |
206 | |
207 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
208 | |
209 s = c->data; | |
210 | |
211 sslcf = ngx_stream_get_module_srv_conf(s, ngx_stream_ssl_module); | |
212 | |
213 ngx_add_timer(c->read, sslcf->handshake_timeout); | |
214 | |
215 c->ssl->handler = ngx_stream_ssl_handshake_handler; | |
216 | |
217 return; | |
218 } | |
219 | |
220 ngx_stream_ssl_handshake_handler(c); | |
221 } | |
222 | |
223 | |
224 static void | |
225 ngx_stream_ssl_handshake_handler(ngx_connection_t *c) | |
226 { | |
227 if (!c->ssl->handshaked) { | |
228 ngx_stream_close_connection(c); | |
229 return; | |
230 } | |
231 | |
232 if (c->read->timer_set) { | |
233 ngx_del_timer(c->read); | |
234 } | |
235 | |
236 ngx_stream_init_session(c); | |
237 } | |
238 | |
239 #endif | |
240 | |
241 | |
242 void | |
243 ngx_stream_close_connection(ngx_connection_t *c) | |
244 { | |
245 ngx_pool_t *pool; | |
246 | |
247 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
248 "close stream connection: %d", c->fd); | |
249 | |
250 #if (NGX_STREAM_SSL) | |
251 | |
252 if (c->ssl) { | |
253 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
254 c->ssl->handler = ngx_stream_close_connection; | |
255 return; | |
256 } | |
257 } | |
258 | |
259 #endif | |
260 | |
261 #if (NGX_STAT_STUB) | |
262 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); | |
263 #endif | |
264 | |
265 pool = c->pool; | |
266 | |
267 ngx_close_connection(c); | |
268 | |
269 ngx_destroy_pool(pool); | |
270 } | |
271 | |
272 | |
273 static u_char * | |
274 ngx_stream_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
275 { | |
276 u_char *p; | |
277 ngx_stream_session_t *s; | |
278 | |
279 if (log->action) { | |
280 p = ngx_snprintf(buf, len, " while %s", log->action); | |
281 len -= p - buf; | |
282 buf = p; | |
283 } | |
284 | |
285 s = log->data; | |
286 | |
287 p = ngx_snprintf(buf, len, ", client: %V, server: %V", | |
288 &s->connection->addr_text, | |
289 &s->connection->listening->addr_text); | |
290 | |
291 if (s->log_handler) { | |
292 return s->log_handler(log, p, len); | |
293 } | |
294 | |
295 return p; | |
296 } |