Mercurial > hg > nginx-quic
annotate src/http/ngx_http_upstream_round_robin.c @ 5488:c51b9491b0bd
Fixed the first argument to getsockopt().
While here, always initialize the last argument.
author | Ruslan Ermilov <ru@nginx.com> |
---|---|
date | Thu, 19 Dec 2013 13:43:18 +0400 |
parents | 07dd5bd222ac |
children | efc84a5723b3 |
rev | line source |
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884 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
884 | 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 static ngx_http_upstream_rr_peer_t *ngx_http_upstream_get_peer( |
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14 ngx_http_upstream_rr_peer_data_t *rrp); |
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15 |
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16 #if (NGX_HTTP_SSL) |
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17 |
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18 static ngx_int_t ngx_http_upstream_empty_set_session(ngx_peer_connection_t *pc, |
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19 void *data); |
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20 static void ngx_http_upstream_empty_save_session(ngx_peer_connection_t *pc, |
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21 void *data); |
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22 |
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23 #endif |
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24 |
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25 |
884 | 26 ngx_int_t |
27 ngx_http_upstream_init_round_robin(ngx_conf_t *cf, | |
28 ngx_http_upstream_srv_conf_t *us) | |
29 { | |
30 ngx_url_t u; | |
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31 ngx_uint_t i, j, n, w; |
884 | 32 ngx_http_upstream_server_t *server; |
1378 | 33 ngx_http_upstream_rr_peers_t *peers, *backup; |
884 | 34 |
35 us->peer.init = ngx_http_upstream_init_round_robin_peer; | |
36 | |
37 if (us->servers) { | |
38 server = us->servers->elts; | |
39 | |
1378 | 40 n = 0; |
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41 w = 0; |
1378 | 42 |
884 | 43 for (i = 0; i < us->servers->nelts; i++) { |
1378 | 44 if (server[i].backup) { |
45 continue; | |
46 } | |
47 | |
884 | 48 n += server[i].naddrs; |
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49 w += server[i].naddrs * server[i].weight; |
884 | 50 } |
51 | |
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52 if (n == 0) { |
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53 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
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54 "no servers in upstream \"%V\" in %s:%ui", |
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55 &us->host, us->file_name, us->line); |
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56 return NGX_ERROR; |
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57 } |
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58 |
884 | 59 peers = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_rr_peers_t) |
60 + sizeof(ngx_http_upstream_rr_peer_t) * (n - 1)); | |
61 if (peers == NULL) { | |
62 return NGX_ERROR; | |
63 } | |
64 | |
1378 | 65 peers->single = (n == 1); |
884 | 66 peers->number = n; |
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67 peers->weighted = (w != n); |
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68 peers->total_weight = w; |
884 | 69 peers->name = &us->host; |
70 | |
71 n = 0; | |
72 | |
73 for (i = 0; i < us->servers->nelts; i++) { | |
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74 if (server[i].backup) { |
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75 continue; |
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76 } |
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77 |
884 | 78 for (j = 0; j < server[i].naddrs; j++) { |
79 peers->peer[n].sockaddr = server[i].addrs[j].sockaddr; | |
80 peers->peer[n].socklen = server[i].addrs[j].socklen; | |
81 peers->peer[n].name = server[i].addrs[j].name; | |
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82 peers->peer[n].weight = server[i].weight; |
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83 peers->peer[n].effective_weight = server[i].weight; |
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84 peers->peer[n].current_weight = 0; |
884 | 85 peers->peer[n].max_fails = server[i].max_fails; |
86 peers->peer[n].fail_timeout = server[i].fail_timeout; | |
87 peers->peer[n].down = server[i].down; | |
88 n++; | |
89 } | |
90 } | |
91 | |
92 us->peer.data = peers; | |
93 | |
1378 | 94 /* backup servers */ |
95 | |
96 n = 0; | |
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97 w = 0; |
1378 | 98 |
99 for (i = 0; i < us->servers->nelts; i++) { | |
100 if (!server[i].backup) { | |
101 continue; | |
102 } | |
103 | |
104 n += server[i].naddrs; | |
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105 w += server[i].naddrs * server[i].weight; |
1378 | 106 } |
107 | |
108 if (n == 0) { | |
109 return NGX_OK; | |
110 } | |
111 | |
112 backup = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_rr_peers_t) | |
113 + sizeof(ngx_http_upstream_rr_peer_t) * (n - 1)); | |
114 if (backup == NULL) { | |
115 return NGX_ERROR; | |
116 } | |
117 | |
118 peers->single = 0; | |
119 backup->single = 0; | |
120 backup->number = n; | |
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121 backup->weighted = (w != n); |
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122 backup->total_weight = w; |
1378 | 123 backup->name = &us->host; |
124 | |
125 n = 0; | |
126 | |
127 for (i = 0; i < us->servers->nelts; i++) { | |
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128 if (!server[i].backup) { |
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129 continue; |
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130 } |
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131 |
1378 | 132 for (j = 0; j < server[i].naddrs; j++) { |
133 backup->peer[n].sockaddr = server[i].addrs[j].sockaddr; | |
134 backup->peer[n].socklen = server[i].addrs[j].socklen; | |
135 backup->peer[n].name = server[i].addrs[j].name; | |
136 backup->peer[n].weight = server[i].weight; | |
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137 backup->peer[n].effective_weight = server[i].weight; |
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138 backup->peer[n].current_weight = 0; |
1378 | 139 backup->peer[n].max_fails = server[i].max_fails; |
140 backup->peer[n].fail_timeout = server[i].fail_timeout; | |
141 backup->peer[n].down = server[i].down; | |
142 n++; | |
143 } | |
144 } | |
145 | |
146 peers->next = backup; | |
147 | |
884 | 148 return NGX_OK; |
149 } | |
150 | |
151 | |
152 /* an upstream implicitly defined by proxy_pass, etc. */ | |
153 | |
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154 if (us->port == 0) { |
906 | 155 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
156 "no port in upstream \"%V\" in %s:%ui", | |
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157 &us->host, us->file_name, us->line); |
906 | 158 return NGX_ERROR; |
159 } | |
160 | |
884 | 161 ngx_memzero(&u, sizeof(ngx_url_t)); |
162 | |
163 u.host = us->host; | |
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164 u.port = us->port; |
884 | 165 |
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166 if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) { |
884 | 167 if (u.err) { |
168 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
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169 "%s in upstream \"%V\" in %s:%ui", |
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170 u.err, &us->host, us->file_name, us->line); |
884 | 171 } |
172 | |
173 return NGX_ERROR; | |
174 } | |
175 | |
176 n = u.naddrs; | |
177 | |
178 peers = ngx_pcalloc(cf->pool, sizeof(ngx_http_upstream_rr_peers_t) | |
179 + sizeof(ngx_http_upstream_rr_peer_t) * (n - 1)); | |
180 if (peers == NULL) { | |
181 return NGX_ERROR; | |
182 } | |
183 | |
1378 | 184 peers->single = (n == 1); |
884 | 185 peers->number = n; |
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186 peers->weighted = 0; |
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187 peers->total_weight = n; |
884 | 188 peers->name = &us->host; |
189 | |
190 for (i = 0; i < u.naddrs; i++) { | |
1564 | 191 peers->peer[i].sockaddr = u.addrs[i].sockaddr; |
192 peers->peer[i].socklen = u.addrs[i].socklen; | |
193 peers->peer[i].name = u.addrs[i].name; | |
194 peers->peer[i].weight = 1; | |
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195 peers->peer[i].effective_weight = 1; |
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196 peers->peer[i].current_weight = 0; |
1564 | 197 peers->peer[i].max_fails = 1; |
198 peers->peer[i].fail_timeout = 10; | |
884 | 199 } |
200 | |
201 us->peer.data = peers; | |
202 | |
1378 | 203 /* implicitly defined upstream has no backup servers */ |
204 | |
884 | 205 return NGX_OK; |
206 } | |
207 | |
208 | |
209 ngx_int_t | |
210 ngx_http_upstream_init_round_robin_peer(ngx_http_request_t *r, | |
211 ngx_http_upstream_srv_conf_t *us) | |
212 { | |
213 ngx_uint_t n; | |
214 ngx_http_upstream_rr_peer_data_t *rrp; | |
215 | |
216 rrp = r->upstream->peer.data; | |
217 | |
218 if (rrp == NULL) { | |
219 rrp = ngx_palloc(r->pool, sizeof(ngx_http_upstream_rr_peer_data_t)); | |
220 if (rrp == NULL) { | |
221 return NGX_ERROR; | |
222 } | |
223 | |
224 r->upstream->peer.data = rrp; | |
225 } | |
226 | |
227 rrp->peers = us->peer.data; | |
228 rrp->current = 0; | |
229 | |
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230 n = rrp->peers->number; |
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231 |
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232 if (rrp->peers->next && rrp->peers->next->number > n) { |
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233 n = rrp->peers->next->number; |
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234 } |
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235 |
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236 if (n <= 8 * sizeof(uintptr_t)) { |
884 | 237 rrp->tried = &rrp->data; |
238 rrp->data = 0; | |
239 | |
240 } else { | |
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241 n = (n + (8 * sizeof(uintptr_t) - 1)) / (8 * sizeof(uintptr_t)); |
884 | 242 |
243 rrp->tried = ngx_pcalloc(r->pool, n * sizeof(uintptr_t)); | |
244 if (rrp->tried == NULL) { | |
245 return NGX_ERROR; | |
246 } | |
247 } | |
248 | |
249 r->upstream->peer.get = ngx_http_upstream_get_round_robin_peer; | |
250 r->upstream->peer.free = ngx_http_upstream_free_round_robin_peer; | |
251 r->upstream->peer.tries = rrp->peers->number; | |
252 #if (NGX_HTTP_SSL) | |
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253 r->upstream->peer.set_session = |
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254 ngx_http_upstream_set_round_robin_peer_session; |
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255 r->upstream->peer.save_session = |
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256 ngx_http_upstream_save_round_robin_peer_session; |
884 | 257 #endif |
258 | |
259 return NGX_OK; | |
260 } | |
261 | |
262 | |
263 ngx_int_t | |
1658 | 264 ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r, |
265 ngx_http_upstream_resolved_t *ur) | |
266 { | |
267 u_char *p; | |
268 size_t len; | |
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269 socklen_t socklen; |
1658 | 270 ngx_uint_t i, n; |
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271 struct sockaddr *sockaddr; |
1658 | 272 ngx_http_upstream_rr_peers_t *peers; |
273 ngx_http_upstream_rr_peer_data_t *rrp; | |
274 | |
275 rrp = r->upstream->peer.data; | |
276 | |
277 if (rrp == NULL) { | |
278 rrp = ngx_palloc(r->pool, sizeof(ngx_http_upstream_rr_peer_data_t)); | |
279 if (rrp == NULL) { | |
280 return NGX_ERROR; | |
281 } | |
282 | |
283 r->upstream->peer.data = rrp; | |
284 } | |
285 | |
286 peers = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_rr_peers_t) | |
287 + sizeof(ngx_http_upstream_rr_peer_t) * (ur->naddrs - 1)); | |
288 if (peers == NULL) { | |
289 return NGX_ERROR; | |
290 } | |
291 | |
292 peers->single = (ur->naddrs == 1); | |
293 peers->number = ur->naddrs; | |
294 peers->name = &ur->host; | |
295 | |
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296 if (ur->sockaddr) { |
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297 peers->peer[0].sockaddr = ur->sockaddr; |
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298 peers->peer[0].socklen = ur->socklen; |
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299 peers->peer[0].name = ur->host; |
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300 peers->peer[0].weight = 1; |
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301 peers->peer[0].effective_weight = 1; |
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302 peers->peer[0].current_weight = 0; |
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303 peers->peer[0].max_fails = 1; |
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304 peers->peer[0].fail_timeout = 10; |
1658 | 305 |
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306 } else { |
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307 |
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308 for (i = 0; i < ur->naddrs; i++) { |
1658 | 309 |
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Changed resolver API to use ngx_addr_t.
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310 socklen = ur->addrs[i].socklen; |
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311 |
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312 sockaddr = ngx_palloc(r->pool, socklen); |
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313 if (sockaddr == NULL) { |
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314 return NGX_ERROR; |
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315 } |
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316 |
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317 ngx_memcpy(sockaddr, ur->addrs[i].sockaddr, socklen); |
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318 |
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319 switch (sockaddr->sa_family) { |
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320 #if (NGX_HAVE_INET6) |
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321 case AF_INET6: |
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322 ((struct sockaddr_in6 *) sockaddr)->sin6_port = htons(ur->port); |
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323 break; |
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324 #endif |
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325 default: /* AF_INET */ |
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326 ((struct sockaddr_in *) sockaddr)->sin_port = htons(ur->port); |
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327 } |
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328 |
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329 p = ngx_pnalloc(r->pool, NGX_SOCKADDR_STRLEN); |
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330 if (p == NULL) { |
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331 return NGX_ERROR; |
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332 } |
1658 | 333 |
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334 len = ngx_sock_ntop(sockaddr, socklen, p, NGX_SOCKADDR_STRLEN, 1); |
1658 | 335 |
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336 peers->peer[i].sockaddr = sockaddr; |
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337 peers->peer[i].socklen = socklen; |
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338 peers->peer[i].name.len = len; |
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339 peers->peer[i].name.data = p; |
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340 peers->peer[i].weight = 1; |
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341 peers->peer[i].effective_weight = 1; |
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342 peers->peer[i].current_weight = 0; |
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343 peers->peer[i].max_fails = 1; |
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344 peers->peer[i].fail_timeout = 10; |
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345 } |
1658 | 346 } |
347 | |
348 rrp->peers = peers; | |
349 rrp->current = 0; | |
350 | |
351 if (rrp->peers->number <= 8 * sizeof(uintptr_t)) { | |
352 rrp->tried = &rrp->data; | |
353 rrp->data = 0; | |
354 | |
355 } else { | |
356 n = (rrp->peers->number + (8 * sizeof(uintptr_t) - 1)) | |
357 / (8 * sizeof(uintptr_t)); | |
358 | |
359 rrp->tried = ngx_pcalloc(r->pool, n * sizeof(uintptr_t)); | |
360 if (rrp->tried == NULL) { | |
361 return NGX_ERROR; | |
362 } | |
363 } | |
364 | |
365 r->upstream->peer.get = ngx_http_upstream_get_round_robin_peer; | |
366 r->upstream->peer.free = ngx_http_upstream_free_round_robin_peer; | |
367 r->upstream->peer.tries = rrp->peers->number; | |
368 #if (NGX_HTTP_SSL) | |
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369 r->upstream->peer.set_session = ngx_http_upstream_empty_set_session; |
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370 r->upstream->peer.save_session = ngx_http_upstream_empty_save_session; |
1658 | 371 #endif |
372 | |
373 return NGX_OK; | |
374 } | |
375 | |
376 | |
377 ngx_int_t | |
884 | 378 ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, void *data) |
379 { | |
380 ngx_http_upstream_rr_peer_data_t *rrp = data; | |
381 | |
1378 | 382 ngx_int_t rc; |
383 ngx_uint_t i, n; | |
384 ngx_http_upstream_rr_peer_t *peer; | |
385 ngx_http_upstream_rr_peers_t *peers; | |
884 | 386 |
387 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0, | |
388 "get rr peer, try: %ui", pc->tries); | |
389 | |
390 /* ngx_lock_mutex(rrp->peers->mutex); */ | |
391 | |
392 pc->cached = 0; | |
393 pc->connection = NULL; | |
394 | |
1378 | 395 if (rrp->peers->single) { |
884 | 396 peer = &rrp->peers->peer[0]; |
397 | |
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398 if (peer->down) { |
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399 goto failed; |
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400 } |
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diff
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|
401 |
884 | 402 } else { |
403 | |
404 /* there are several peers */ | |
405 | |
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|
406 peer = ngx_http_upstream_get_peer(rrp); |
884 | 407 |
4621
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|
408 if (peer == NULL) { |
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|
409 goto failed; |
884 | 410 } |
411 | |
4621
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diff
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|
412 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0, |
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|
413 "get rr peer, current: %ui %i", |
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changeset
|
414 rrp->current, peer->current_weight); |
884 | 415 } |
416 | |
417 pc->sockaddr = peer->sockaddr; | |
418 pc->socklen = peer->socklen; | |
419 pc->name = &peer->name; | |
420 | |
421 /* ngx_unlock_mutex(rrp->peers->mutex); */ | |
422 | |
1378 | 423 if (pc->tries == 1 && rrp->peers->next) { |
424 pc->tries += rrp->peers->next->number; | |
425 } | |
426 | |
884 | 427 return NGX_OK; |
428 | |
429 failed: | |
430 | |
1378 | 431 peers = rrp->peers; |
432 | |
433 if (peers->next) { | |
434 | |
435 /* ngx_unlock_mutex(peers->mutex); */ | |
436 | |
437 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pc->log, 0, "backup servers"); | |
438 | |
439 rrp->peers = peers->next; | |
440 pc->tries = rrp->peers->number; | |
441 | |
4991
a384c60d55f3
Upstream: fixed state resetting when switching to backup servers.
Valentin Bartenev <vbart@nginx.com>
parents:
4914
diff
changeset
|
442 n = (rrp->peers->number + (8 * sizeof(uintptr_t) - 1)) |
a384c60d55f3
Upstream: fixed state resetting when switching to backup servers.
Valentin Bartenev <vbart@nginx.com>
parents:
4914
diff
changeset
|
443 / (8 * sizeof(uintptr_t)); |
a384c60d55f3
Upstream: fixed state resetting when switching to backup servers.
Valentin Bartenev <vbart@nginx.com>
parents:
4914
diff
changeset
|
444 |
1389 | 445 for (i = 0; i < n; i++) { |
1378 | 446 rrp->tried[i] = 0; |
447 } | |
448 | |
449 rc = ngx_http_upstream_get_round_robin_peer(pc, rrp); | |
450 | |
451 if (rc != NGX_BUSY) { | |
452 return rc; | |
453 } | |
454 | |
455 /* ngx_lock_mutex(peers->mutex); */ | |
456 } | |
457 | |
884 | 458 /* all peers failed, mark them as live for quick recovery */ |
459 | |
1378 | 460 for (i = 0; i < peers->number; i++) { |
461 peers->peer[i].fails = 0; | |
884 | 462 } |
463 | |
1378 | 464 /* ngx_unlock_mutex(peers->mutex); */ |
884 | 465 |
1378 | 466 pc->name = peers->name; |
884 | 467 |
468 return NGX_BUSY; | |
469 } | |
470 | |
471 | |
4621
c90801720a0c
Upstream: smooth weighted round-robin balancing.
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4569
diff
changeset
|
472 static ngx_http_upstream_rr_peer_t * |
c90801720a0c
Upstream: smooth weighted round-robin balancing.
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diff
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|
473 ngx_http_upstream_get_peer(ngx_http_upstream_rr_peer_data_t *rrp) |
1344
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fair upstream weight balancer
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diff
changeset
|
474 { |
4621
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Upstream: smooth weighted round-robin balancing.
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diff
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|
475 time_t now; |
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Upstream: smooth weighted round-robin balancing.
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diff
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|
476 uintptr_t m; |
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Upstream: smooth weighted round-robin balancing.
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diff
changeset
|
477 ngx_int_t total; |
c90801720a0c
Upstream: smooth weighted round-robin balancing.
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diff
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|
478 ngx_uint_t i, n; |
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Upstream: smooth weighted round-robin balancing.
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diff
changeset
|
479 ngx_http_upstream_rr_peer_t *peer, *best; |
1344
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fair upstream weight balancer
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diff
changeset
|
480 |
4621
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diff
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|
481 now = ngx_time(); |
1344
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fair upstream weight balancer
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diff
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|
482 |
4621
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diff
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|
483 best = NULL; |
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|
484 total = 0; |
1344
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fair upstream weight balancer
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diff
changeset
|
485 |
4621
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diff
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|
486 for (i = 0; i < rrp->peers->number; i++) { |
1344
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diff
changeset
|
487 |
4621
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diff
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|
488 n = i / (8 * sizeof(uintptr_t)); |
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diff
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|
489 m = (uintptr_t) 1 << i % (8 * sizeof(uintptr_t)); |
1344
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diff
changeset
|
490 |
4621
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diff
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|
491 if (rrp->tried[n] & m) { |
c90801720a0c
Upstream: smooth weighted round-robin balancing.
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diff
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|
492 continue; |
c90801720a0c
Upstream: smooth weighted round-robin balancing.
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diff
changeset
|
493 } |
1344
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fair upstream weight balancer
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diff
changeset
|
494 |
4621
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Upstream: smooth weighted round-robin balancing.
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diff
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|
495 peer = &rrp->peers->peer[i]; |
1344
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diff
changeset
|
496 |
4621
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diff
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|
497 if (peer->down) { |
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Upstream: smooth weighted round-robin balancing.
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|
498 continue; |
1344
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fair upstream weight balancer
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diff
changeset
|
499 } |
8f5b5641966c
fair upstream weight balancer
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parents:
1284
diff
changeset
|
500 |
4621
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diff
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|
501 if (peer->max_fails |
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Upstream: smooth weighted round-robin balancing.
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diff
changeset
|
502 && peer->fails >= peer->max_fails |
c90801720a0c
Upstream: smooth weighted round-robin balancing.
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parents:
4569
diff
changeset
|
503 && now - peer->checked <= peer->fail_timeout) |
c90801720a0c
Upstream: smooth weighted round-robin balancing.
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504 { |
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505 continue; |
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506 } |
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Upstream: smooth weighted round-robin balancing.
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507 |
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508 peer->current_weight += peer->effective_weight; |
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509 total += peer->effective_weight; |
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510 |
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511 if (peer->effective_weight < peer->weight) { |
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512 peer->effective_weight++; |
4010
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Fixing cpu hog with all upstream servers marked "down".
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513 } |
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Fixing cpu hog with all upstream servers marked "down".
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514 |
4621
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515 if (best == NULL || peer->current_weight > best->current_weight) { |
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516 best = peer; |
1344
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517 } |
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518 } |
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519 |
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520 if (best == NULL) { |
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521 return NULL; |
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522 } |
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523 |
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524 i = best - &rrp->peers->peer[0]; |
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525 |
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526 rrp->current = i; |
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527 |
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528 n = i / (8 * sizeof(uintptr_t)); |
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529 m = (uintptr_t) 1 << i % (8 * sizeof(uintptr_t)); |
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530 |
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531 rrp->tried[n] |= m; |
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532 |
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|
533 best->current_weight -= total; |
5220
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534 |
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|
535 if (now - best->checked > best->fail_timeout) { |
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536 best->checked = now; |
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537 } |
4621
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538 |
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|
539 return best; |
1344
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|
540 } |
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fair upstream weight balancer
Igor Sysoev <igor@sysoev.ru>
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541 |
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Igor Sysoev <igor@sysoev.ru>
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542 |
884 | 543 void |
544 ngx_http_upstream_free_round_robin_peer(ngx_peer_connection_t *pc, void *data, | |
545 ngx_uint_t state) | |
546 { | |
547 ngx_http_upstream_rr_peer_data_t *rrp = data; | |
548 | |
549 time_t now; | |
550 ngx_http_upstream_rr_peer_t *peer; | |
551 | |
552 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0, | |
553 "free rr peer %ui %ui", pc->tries, state); | |
554 | |
555 /* TODO: NGX_PEER_KEEPALIVE */ | |
556 | |
1378 | 557 if (rrp->peers->single) { |
884 | 558 pc->tries = 0; |
559 return; | |
560 } | |
561 | |
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Better recheck of dead upstream servers.
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562 peer = &rrp->peers->peer[rrp->current]; |
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563 |
884 | 564 if (state & NGX_PEER_FAILED) { |
565 now = ngx_time(); | |
566 | |
567 /* ngx_lock_mutex(rrp->peers->mutex); */ | |
568 | |
569 peer->fails++; | |
570 peer->accessed = now; | |
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|
571 peer->checked = now; |
884 | 572 |
2204
70a2bcc7e307
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Igor Sysoev <igor@sysoev.ru>
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|
573 if (peer->max_fails) { |
4621
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574 peer->effective_weight -= peer->weight / peer->max_fails; |
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575 } |
1344
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576 |
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577 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0, |
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578 "free rr peer failed: %ui %i", |
4621
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|
579 rrp->current, peer->effective_weight); |
1344
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580 |
4621
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|
581 if (peer->effective_weight < 0) { |
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|
582 peer->effective_weight = 0; |
884 | 583 } |
584 | |
585 /* ngx_unlock_mutex(rrp->peers->mutex); */ | |
4207
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|
586 |
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|
587 } else { |
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Better recheck of dead upstream servers.
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|
588 |
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|
589 /* mark peer live if check passed */ |
4fc91bae6f83
Better recheck of dead upstream servers.
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|
590 |
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|
591 if (peer->accessed < peer->checked) { |
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|
592 peer->fails = 0; |
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593 } |
884 | 594 } |
595 | |
596 if (pc->tries) { | |
597 pc->tries--; | |
598 } | |
599 | |
600 /* ngx_unlock_mutex(rrp->peers->mutex); */ | |
601 } | |
602 | |
603 | |
604 #if (NGX_HTTP_SSL) | |
605 | |
1284
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fix segfault when session was freed twice
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|
606 ngx_int_t |
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|
607 ngx_http_upstream_set_round_robin_peer_session(ngx_peer_connection_t *pc, |
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fix segfault when session was freed twice
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|
608 void *data) |
884 | 609 { |
610 ngx_http_upstream_rr_peer_data_t *rrp = data; | |
611 | |
1284
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|
612 ngx_int_t rc; |
884 | 613 ngx_ssl_session_t *ssl_session; |
614 ngx_http_upstream_rr_peer_t *peer; | |
615 | |
1284
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fix segfault when session was freed twice
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|
616 peer = &rrp->peers->peer[rrp->current]; |
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fix segfault when session was freed twice
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changeset
|
617 |
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fix segfault when session was freed twice
Igor Sysoev <igor@sysoev.ru>
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changeset
|
618 /* TODO: threads only mutex */ |
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fix segfault when session was freed twice
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changeset
|
619 /* ngx_lock_mutex(rrp->peers->mutex); */ |
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fix segfault when session was freed twice
Igor Sysoev <igor@sysoev.ru>
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changeset
|
620 |
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fix segfault when session was freed twice
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changeset
|
621 ssl_session = peer->ssl_session; |
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fix segfault when session was freed twice
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|
622 |
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fix segfault when session was freed twice
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changeset
|
623 rc = ngx_ssl_set_session(pc->connection, ssl_session); |
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fix segfault when session was freed twice
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changeset
|
624 |
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fix segfault when session was freed twice
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
625 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0, |
1443 | 626 "set session: %p:%d", |
627 ssl_session, ssl_session ? ssl_session->references : 0); | |
1284
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fix segfault when session was freed twice
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
628 |
be2b895d31e0
fix segfault when session was freed twice
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parents:
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diff
changeset
|
629 /* ngx_unlock_mutex(rrp->peers->mutex); */ |
be2b895d31e0
fix segfault when session was freed twice
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
630 |
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fix segfault when session was freed twice
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
631 return rc; |
be2b895d31e0
fix segfault when session was freed twice
Igor Sysoev <igor@sysoev.ru>
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diff
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|
632 } |
be2b895d31e0
fix segfault when session was freed twice
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diff
changeset
|
633 |
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fix segfault when session was freed twice
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diff
changeset
|
634 |
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fix segfault when session was freed twice
Igor Sysoev <igor@sysoev.ru>
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changeset
|
635 void |
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fix segfault when session was freed twice
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|
636 ngx_http_upstream_save_round_robin_peer_session(ngx_peer_connection_t *pc, |
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fix segfault when session was freed twice
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|
637 void *data) |
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fix segfault when session was freed twice
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|
638 { |
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|
639 ngx_http_upstream_rr_peer_data_t *rrp = data; |
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|
640 |
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changeset
|
641 ngx_ssl_session_t *old_ssl_session, *ssl_session; |
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|
642 ngx_http_upstream_rr_peer_t *peer; |
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|
643 |
884 | 644 ssl_session = ngx_ssl_get_session(pc->connection); |
645 | |
646 if (ssl_session == NULL) { | |
647 return; | |
648 } | |
649 | |
1284
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changeset
|
650 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0, |
1443 | 651 "save session: %p:%d", ssl_session, ssl_session->references); |
1284
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diff
changeset
|
652 |
884 | 653 peer = &rrp->peers->peer[rrp->current]; |
654 | |
1284
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fix segfault when session was freed twice
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diff
changeset
|
655 /* TODO: threads only mutex */ |
884 | 656 /* ngx_lock_mutex(rrp->peers->mutex); */ |
1284
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diff
changeset
|
657 |
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diff
changeset
|
658 old_ssl_session = peer->ssl_session; |
884 | 659 peer->ssl_session = ssl_session; |
1284
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diff
changeset
|
660 |
884 | 661 /* ngx_unlock_mutex(rrp->peers->mutex); */ |
662 | |
1284
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fix segfault when session was freed twice
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diff
changeset
|
663 if (old_ssl_session) { |
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fix segfault when session was freed twice
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changeset
|
664 |
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fix segfault when session was freed twice
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diff
changeset
|
665 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0, |
1443 | 666 "old session: %p:%d", |
1284
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changeset
|
667 old_ssl_session, old_ssl_session->references); |
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changeset
|
668 |
884 | 669 /* TODO: may block */ |
1284
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diff
changeset
|
670 |
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changeset
|
671 ngx_ssl_free_session(old_ssl_session); |
884 | 672 } |
673 } | |
674 | |
3964
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do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
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2422
diff
changeset
|
675 |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
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changeset
|
676 static ngx_int_t |
ff127ba3b091
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changeset
|
677 ngx_http_upstream_empty_set_session(ngx_peer_connection_t *pc, void *data) |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
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678 { |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
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679 return NGX_OK; |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
680 } |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
681 |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
682 |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
683 static void |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
684 ngx_http_upstream_empty_save_session(ngx_peer_connection_t *pc, void *data) |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
685 { |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
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686 return; |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
687 } |
ff127ba3b091
do not try to reuse and save a SSL session for a peer created on the fly
Igor Sysoev <igor@sysoev.ru>
parents:
2422
diff
changeset
|
688 |
884 | 689 #endif |