Mercurial > hg > nginx
annotate src/http/modules/perl/ngx_http_perl_module.c @ 911:73c66ed9a9cd
$r->sleep()
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 12 Dec 2006 20:59:24 +0000 |
parents | 82adc19b4b4d |
children | 90ce4d0e3241 |
rev | line source |
---|---|
599 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 #include <ngx_http_perl_module.h> | |
11 | |
12 | |
13 typedef struct { | |
14 PerlInterpreter *perl; | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
15 HV *nginx; |
599 | 16 ngx_str_t modules; |
17 ngx_array_t requires; | |
18 } ngx_http_perl_main_conf_t; | |
19 | |
20 | |
21 typedef struct { | |
22 SV *sub; | |
23 ngx_str_t handler; | |
24 } ngx_http_perl_loc_conf_t; | |
25 | |
26 | |
27 typedef struct { | |
28 SV *sub; | |
29 ngx_str_t handler; | |
30 } ngx_http_perl_variable_t; | |
31 | |
32 | |
653 | 33 typedef struct { |
34 SV *sv; | |
35 PerlInterpreter *perl; | |
36 } ngx_http_perl_cleanup_t; | |
37 | |
38 | |
617 | 39 #if (NGX_HTTP_SSI) |
599 | 40 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, |
41 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); | |
617 | 42 #endif |
43 | |
911 | 44 static void ngx_http_perl_sleep_handler(ngx_http_request_t *r); |
599 | 45 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, |
46 ngx_http_perl_main_conf_t *pmcf); | |
47 static PerlInterpreter * | |
48 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
49 ngx_log_t *log); | |
653 | 50 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, |
649 | 51 ngx_log_t *log); |
599 | 52 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
53 HV *nginx, SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv); |
599 | 54 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); |
55 | |
56 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
57 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
58 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
59 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
60 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
61 void *child); | |
62 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, | |
63 void *conf); | |
64 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
65 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
66 |
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
67 #if (NGX_HAVE_PERL_MULTIPLICITY) |
599 | 68 static void ngx_http_perl_cleanup_perl(void *data); |
649 | 69 #endif |
599 | 70 |
71 | |
72 static ngx_command_t ngx_http_perl_commands[] = { | |
73 | |
74 { ngx_string("perl_modules"), | |
75 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
76 ngx_conf_set_str_slot, | |
77 NGX_HTTP_MAIN_CONF_OFFSET, | |
78 offsetof(ngx_http_perl_main_conf_t, modules), | |
79 NULL }, | |
80 | |
81 { ngx_string("perl_require"), | |
82 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
83 ngx_http_perl_require, | |
84 NGX_HTTP_MAIN_CONF_OFFSET, | |
85 0, | |
86 NULL }, | |
87 | |
88 { ngx_string("perl"), | |
89 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
90 ngx_http_perl, | |
91 NGX_HTTP_LOC_CONF_OFFSET, | |
92 0, | |
93 NULL }, | |
94 | |
95 { ngx_string("perl_set"), | |
96 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
97 ngx_http_perl_set, | |
98 NGX_HTTP_LOC_CONF_OFFSET, | |
99 0, | |
100 NULL }, | |
101 | |
102 ngx_null_command | |
103 }; | |
104 | |
105 | |
106 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
107 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
108 NULL, /* postconfiguration */ | |
109 | |
110 ngx_http_perl_create_main_conf, /* create main configuration */ | |
111 ngx_http_perl_init_main_conf, /* init main configuration */ | |
112 | |
113 NULL, /* create server configuration */ | |
114 NULL, /* merge server configuration */ | |
115 | |
116 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
117 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
118 }; | |
119 | |
120 | |
121 ngx_module_t ngx_http_perl_module = { | |
122 NGX_MODULE_V1, | |
123 &ngx_http_perl_module_ctx, /* module context */ | |
124 ngx_http_perl_commands, /* module directives */ | |
125 NGX_HTTP_MODULE, /* module type */ | |
126 NULL, /* init master */ | |
127 NULL, /* init module */ | |
128 NULL, /* init process */ | |
129 NULL, /* init thread */ | |
130 NULL, /* exit thread */ | |
131 NULL, /* exit process */ | |
132 NULL, /* exit master */ | |
133 NGX_MODULE_V1_PADDING | |
134 }; | |
135 | |
136 | |
617 | 137 #if (NGX_HTTP_SSI) |
138 | |
599 | 139 #define NGX_HTTP_PERL_SSI_SUB 0 |
140 #define NGX_HTTP_PERL_SSI_ARG 1 | |
141 | |
142 | |
143 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
144 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
145 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
146 { ngx_null_string, 0, 0, 0 } | |
147 }; | |
148 | |
149 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
667 | 150 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
599 | 151 }; |
152 | |
617 | 153 #endif |
154 | |
599 | 155 |
681 | 156 static ngx_str_t ngx_null_name = ngx_null_string; |
157 | |
158 | |
633 | 159 static HV *nginx_stash; |
160 | |
599 | 161 static void |
162 ngx_http_perl_xs_init(pTHX) | |
163 { | |
164 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
633 | 165 |
166 nginx_stash = gv_stashpv("nginx", TRUE); | |
599 | 167 } |
168 | |
169 | |
170 static ngx_int_t | |
171 ngx_http_perl_handler(ngx_http_request_t *r) | |
172 { | |
629 | 173 /* TODO: Win32 */ |
174 if (r->zero_in_uri) { | |
175 return NGX_HTTP_NOT_FOUND; | |
176 } | |
177 | |
681 | 178 ngx_http_perl_handle_request(r); |
179 | |
180 return NGX_DONE; | |
629 | 181 } |
182 | |
183 | |
681 | 184 void |
629 | 185 ngx_http_perl_handle_request(ngx_http_request_t *r) |
186 { | |
681 | 187 SV *sub; |
599 | 188 ngx_int_t rc; |
681 | 189 ngx_str_t uri, args, *handler; |
599 | 190 ngx_http_perl_ctx_t *ctx; |
191 ngx_http_perl_loc_conf_t *plcf; | |
192 ngx_http_perl_main_conf_t *pmcf; | |
193 | |
194 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
195 | |
196 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
197 | |
198 if (ctx == NULL) { | |
199 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
200 if (ctx == NULL) { | |
681 | 201 ngx_http_finalize_request(r, NGX_ERROR); |
629 | 202 return; |
599 | 203 } |
204 | |
205 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
206 } | |
207 | |
208 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
209 | |
210 { | |
211 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
212 dTHXa(pmcf->perl); |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
213 PERL_SET_CONTEXT(pmcf->perl); |
599 | 214 |
681 | 215 if (ctx->next == NULL) { |
216 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
217 sub = plcf->sub; | |
218 handler = &plcf->handler; | |
599 | 219 |
681 | 220 } else { |
221 sub = ctx->next; | |
222 handler = &ngx_null_name; | |
223 ctx->next = NULL; | |
224 } | |
225 | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
226 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
227 NULL); |
599 | 228 |
229 } | |
230 | |
231 if (rc > 600) { | |
232 rc = NGX_OK; | |
233 } | |
234 | |
235 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
236 "perl handler done: %i", rc); | |
237 | |
238 if (ctx->redirect_uri.len) { | |
239 uri = ctx->redirect_uri; | |
240 args = ctx->redirect_args; | |
629 | 241 |
242 } else { | |
243 uri.len = 0; | |
599 | 244 } |
245 | |
633 | 246 ctx->filename.data = NULL; |
599 | 247 ctx->redirect_uri.len = 0; |
248 | |
911 | 249 if (ctx->sleep) { |
250 ngx_add_timer(r->connection->write, (ngx_msec_t) ctx->sleep); | |
251 r->write_event_handler = ngx_http_perl_sleep_handler; | |
252 ctx->sleep = 0; | |
253 } | |
254 | |
681 | 255 if (ctx->done || ctx->next) { |
256 return; | |
257 } | |
258 | |
599 | 259 if (uri.len) { |
629 | 260 ngx_http_internal_redirect(r, &uri, &args); |
261 return; | |
599 | 262 } |
263 | |
264 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
629 | 265 ngx_http_send_special(r, NGX_HTTP_LAST); |
681 | 266 ctx->done = 1; |
599 | 267 } |
268 | |
629 | 269 ngx_http_finalize_request(r, rc); |
599 | 270 } |
271 | |
272 | |
911 | 273 static void |
274 ngx_http_perl_sleep_handler(ngx_http_request_t *r) | |
275 { | |
276 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
277 "perl sleep handler"); | |
278 | |
279 ngx_http_perl_handle_request(r); | |
280 } | |
281 | |
282 | |
599 | 283 static ngx_int_t |
284 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
285 uintptr_t data) | |
286 { | |
287 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
288 | |
289 ngx_int_t rc; | |
290 ngx_str_t value; | |
291 ngx_http_perl_ctx_t *ctx; | |
292 ngx_http_perl_main_conf_t *pmcf; | |
293 | |
294 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
295 "perl variable handler"); | |
296 | |
297 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
298 | |
299 if (ctx == NULL) { | |
300 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
301 if (ctx == NULL) { | |
302 return NGX_ERROR; | |
303 } | |
304 | |
305 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
306 } |
599 | 307 |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
308 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 309 |
310 value.data = NULL; | |
311 | |
312 { | |
313 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
314 dTHXa(pmcf->perl); |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
315 PERL_SET_CONTEXT(pmcf->perl); |
599 | 316 |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
317 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
599 | 318 &pv->handler, &value); |
319 | |
320 } | |
321 | |
322 if (value.data) { | |
323 v->len = value.len; | |
324 v->valid = 1; | |
325 v->no_cachable = 0; | |
326 v->not_found = 0; | |
327 v->data = value.data; | |
328 | |
329 } else { | |
330 v->not_found = 1; | |
331 } | |
332 | |
633 | 333 ctx->filename.data = NULL; |
599 | 334 ctx->redirect_uri.len = 0; |
335 | |
871 | 336 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
337 "perl variable done"); | |
338 | |
599 | 339 return rc; |
340 } | |
341 | |
342 | |
617 | 343 #if (NGX_HTTP_SSI) |
344 | |
599 | 345 static ngx_int_t |
346 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
347 ngx_str_t **params) | |
348 { | |
349 SV *sv; | |
350 ngx_int_t rc; | |
351 ngx_str_t *handler; | |
352 ngx_http_perl_ctx_t *ctx; | |
353 ngx_http_perl_main_conf_t *pmcf; | |
354 | |
355 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
356 "perl ssi handler"); | |
357 | |
358 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
359 | |
360 if (ctx == NULL) { | |
361 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
362 if (ctx == NULL) { | |
363 return NGX_ERROR; | |
364 } | |
365 | |
366 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
367 } | |
368 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
369 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 370 |
371 ctx->ssi = ssi_ctx; | |
372 | |
373 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
374 handler->data[handler->len] = '\0'; | |
375 | |
376 { | |
377 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
378 dTHXa(pmcf->perl); |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
379 PERL_SET_CONTEXT(pmcf->perl); |
599 | 380 |
651 | 381 #if 0 |
382 | |
383 /* the code is disabled to force the precompiled perl code using only */ | |
384 | |
385 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
386 | |
387 if (sv == &PL_sv_undef) { | |
388 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
389 "eval_pv(\"%V\") failed", handler); | |
390 return NGX_ERROR; | |
391 } | |
392 | |
393 if (sv == NULL) { | |
394 sv = newSVpvn((char *) handler->data, handler->len); | |
395 } | |
396 | |
397 #endif | |
398 | |
599 | 399 sv = newSVpvn((char *) handler->data, handler->len); |
400 | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
401 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
402 ¶ms[NGX_HTTP_PERL_SSI_ARG], |
599 | 403 handler, NULL); |
404 | |
405 SvREFCNT_dec(sv); | |
406 | |
407 } | |
408 | |
633 | 409 ctx->filename.data = NULL; |
599 | 410 ctx->redirect_uri.len = 0; |
411 ctx->ssi = NULL; | |
412 | |
871 | 413 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
414 | |
599 | 415 return rc; |
416 } | |
417 | |
617 | 418 #endif |
419 | |
599 | 420 |
421 static char * | |
422 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
423 { | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
424 #if (NGX_HAVE_PERL_MULTIPLICITY) |
653 | 425 ngx_pool_cleanup_t *cln; |
599 | 426 |
427 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
428 if (cln == NULL) { | |
429 return NGX_CONF_ERROR; | |
430 } | |
431 | |
649 | 432 #else |
433 static PerlInterpreter *perl; | |
434 #endif | |
435 | |
599 | 436 #ifdef NGX_PERL_MODULES |
437 if (pmcf->modules.data == NULL) { | |
438 pmcf->modules.data = NGX_PERL_MODULES; | |
439 } | |
440 #endif | |
441 | |
639 | 442 if (pmcf->modules.data) { |
443 if (ngx_conf_full_name(cf->cycle, &pmcf->modules) != NGX_OK) { | |
444 return NGX_CONF_ERROR; | |
445 } | |
629 | 446 } |
447 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
448 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
649 | 449 |
450 if (perl) { | |
653 | 451 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
452 != NGX_OK) | |
453 { | |
649 | 454 return NGX_CONF_ERROR; |
455 } | |
456 | |
457 pmcf->perl = perl; | |
458 | |
459 return NGX_CONF_OK; | |
460 } | |
461 | |
462 #endif | |
463 | |
599 | 464 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
465 | |
466 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log); | |
467 | |
468 if (pmcf->perl == NULL) { | |
469 PERL_SYS_TERM(); | |
470 return NGX_CONF_ERROR; | |
471 } | |
472 | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
473 pmcf->nginx = nginx_stash; |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
474 |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
475 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 476 |
599 | 477 cln->handler = ngx_http_perl_cleanup_perl; |
478 cln->data = pmcf->perl; | |
479 | |
649 | 480 #else |
481 | |
482 perl = pmcf->perl; | |
483 | |
484 #endif | |
485 | |
599 | 486 return NGX_CONF_OK; |
487 } | |
488 | |
489 | |
490 static PerlInterpreter * | |
491 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
492 ngx_log_t *log) | |
493 { | |
494 int n; | |
775 | 495 STRLEN len; |
496 SV *sv; | |
497 char *ver, *embedding[6]; | |
599 | 498 PerlInterpreter *perl; |
499 | |
500 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter"); | |
501 | |
502 perl = perl_alloc(); | |
503 if (perl == NULL) { | |
504 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed"); | |
505 return NULL; | |
506 } | |
507 | |
508 { | |
509 | |
510 dTHXa(perl); | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
511 PERL_SET_CONTEXT(perl); |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
512 |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
513 perl_construct(perl); |
599 | 514 |
515 #ifdef PERL_EXIT_DESTRUCT_END | |
516 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
517 #endif | |
518 | |
519 embedding[0] = ""; | |
520 | |
521 if (pmcf->modules.data) { | |
522 embedding[1] = "-I"; | |
523 embedding[2] = (char *) pmcf->modules.data; | |
524 n = 3; | |
525 | |
526 } else { | |
527 n = 1; | |
528 } | |
529 | |
530 embedding[n++] = "-Mnginx"; | |
531 embedding[n++] = "-e"; | |
532 embedding[n++] = "0"; | |
533 | |
534 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
535 | |
536 if (n != 0) { | |
537 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n); | |
538 goto fail; | |
539 } | |
540 | |
775 | 541 sv = get_sv("nginx::VERSION", FALSE); |
542 ver = SvPV(sv, len); | |
543 | |
544 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
545 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
546 "version " NGINX_VERSION " of nginx.pm is required, " | |
547 "but %s was found", ver); | |
548 goto fail; | |
549 } | |
550 | |
653 | 551 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, log) != NGX_OK) { |
649 | 552 goto fail; |
599 | 553 } |
554 | |
555 } | |
556 | |
557 return perl; | |
558 | |
559 fail: | |
560 | |
561 (void) perl_destruct(perl); | |
562 | |
563 perl_free(perl); | |
564 | |
565 return NULL; | |
566 } | |
567 | |
568 | |
649 | 569 static ngx_int_t |
653 | 570 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 571 { |
572 char **script; | |
573 STRLEN len; | |
574 ngx_str_t err; | |
575 ngx_uint_t i; | |
576 | |
577 script = requires->elts; | |
578 for (i = 0; i < requires->nelts; i++) { | |
579 | |
580 require_pv(script[i]); | |
581 | |
582 if (SvTRUE(ERRSV)) { | |
583 | |
584 err.data = (u_char *) SvPV(ERRSV, len); | |
585 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
586 /* void */ | |
587 } | |
588 err.len = len + 1; | |
589 | |
590 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
591 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
592 | |
593 return NGX_ERROR; | |
594 } | |
595 } | |
596 | |
597 return NGX_OK; | |
598 } | |
599 | |
600 | |
599 | 601 static ngx_int_t |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
602 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
599 | 603 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv) |
604 { | |
605 SV *sv; | |
606 int n, status; | |
607 char *line; | |
608 STRLEN len, n_a; | |
609 ngx_str_t err; | |
610 ngx_uint_t i; | |
611 | |
612 dSP; | |
613 | |
614 status = 0; | |
615 | |
616 ENTER; | |
617 SAVETMPS; | |
618 | |
619 PUSHMARK(sp); | |
620 | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
621 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
599 | 622 XPUSHs(sv); |
623 | |
624 if (args) { | |
625 for (i = 0; args[i]; i++) { /* void */ } | |
626 | |
627 EXTEND(sp, (int) i); | |
628 | |
629 for (i = 0; args[i]; i++) { | |
630 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len))); | |
631 } | |
632 } | |
633 | |
634 PUTBACK; | |
635 | |
636 n = call_sv(sub, G_EVAL); | |
637 | |
638 SPAGAIN; | |
639 | |
640 if (n) { | |
641 if (rv == NULL) { | |
642 status = POPi; | |
643 | |
644 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
645 "call_sv: %d", status); | |
646 | |
647 } else { | |
619 | 648 line = SvPVx(POPs, n_a); |
599 | 649 rv->len = n_a; |
650 | |
651 rv->data = ngx_palloc(r->pool, n_a); | |
652 if (rv->data == NULL) { | |
653 return NGX_ERROR; | |
654 } | |
655 | |
656 ngx_memcpy(rv->data, line, n_a); | |
657 } | |
658 } | |
659 | |
660 PUTBACK; | |
661 | |
662 FREETMPS; | |
663 LEAVE; | |
664 | |
665 /* check $@ */ | |
666 | |
667 if (SvTRUE(ERRSV)) { | |
668 | |
669 err.data = (u_char *) SvPV(ERRSV, len); | |
670 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
671 /* void */ | |
672 } | |
673 err.len = len + 1; | |
674 | |
675 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
676 "call_sv(\"%V\") failed: \"%V\"", | |
677 handler, &err); | |
678 | |
679 if (rv) { | |
680 return NGX_ERROR; | |
681 } | |
682 | |
683 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
684 } | |
685 | |
686 if (n != 1) { | |
687 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
688 "call_sv(\"%V\") returned %d results", handler, n); | |
689 status = NGX_OK; | |
690 } | |
691 | |
692 if (rv) { | |
693 return NGX_OK; | |
694 } | |
695 | |
696 return (ngx_int_t) status; | |
697 } | |
698 | |
699 | |
700 static void | |
701 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
702 { | |
623 | 703 u_char *p; |
704 | |
705 for (p = handler->data; *p; p++) { | |
706 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
707 break; | |
708 } | |
709 } | |
710 | |
649 | 711 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) { |
623 | 712 *sv = eval_pv((char *) p, FALSE); |
874 | 713 |
714 /* eval_pv() does not set ERRSV on failure */ | |
715 | |
599 | 716 return; |
717 } | |
718 | |
719 *sv = NULL; | |
720 } | |
721 | |
722 | |
723 static void * | |
724 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
725 { | |
726 ngx_http_perl_main_conf_t *pmcf; | |
727 | |
728 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
729 if (pmcf == NULL) { | |
730 return NGX_CONF_ERROR; | |
731 } | |
732 | |
733 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
734 != NGX_OK) | |
735 { | |
736 return NULL; | |
737 } | |
738 | |
739 return pmcf; | |
740 } | |
741 | |
742 | |
743 static char * | |
744 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
745 { | |
746 ngx_http_perl_main_conf_t *pmcf = conf; | |
747 | |
748 if (pmcf->perl == NULL) { | |
749 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
750 return NGX_CONF_ERROR; | |
751 } | |
752 } | |
753 | |
754 return NGX_CONF_OK; | |
755 } | |
756 | |
757 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
758 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 759 |
599 | 760 static void |
761 ngx_http_perl_cleanup_perl(void *data) | |
762 { | |
649 | 763 PerlInterpreter *perl = data; |
599 | 764 |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
765 PERL_SET_CONTEXT(perl); |
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
766 |
599 | 767 (void) perl_destruct(perl); |
768 | |
769 perl_free(perl); | |
770 | |
771 PERL_SYS_TERM(); | |
772 } | |
773 | |
649 | 774 #endif |
775 | |
776 | |
599 | 777 static ngx_int_t |
778 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
779 { | |
617 | 780 #if (NGX_HTTP_SSI) |
599 | 781 ngx_int_t rc; |
782 ngx_http_ssi_main_conf_t *smcf; | |
783 | |
784 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
785 | |
786 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
787 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
788 | |
789 if (rc != NGX_OK) { | |
790 if (rc == NGX_BUSY) { | |
791 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
792 "conflicting SSI command \"%V\"", | |
793 &ngx_http_perl_ssi_command.name); | |
794 } | |
795 | |
796 return NGX_ERROR; | |
797 } | |
617 | 798 #endif |
599 | 799 |
800 return NGX_OK; | |
801 } | |
802 | |
803 | |
804 static void * | |
805 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
806 { | |
807 ngx_http_perl_loc_conf_t *plcf; | |
808 | |
809 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
810 if (plcf == NULL) { | |
811 return NGX_CONF_ERROR; | |
812 } | |
813 | |
814 /* | |
815 * set by ngx_pcalloc(): | |
816 * | |
817 * plcf->handler = { 0, NULL }; | |
818 */ | |
819 | |
820 return plcf; | |
821 } | |
822 | |
823 | |
824 static char * | |
825 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
826 { | |
827 ngx_http_perl_loc_conf_t *prev = parent; | |
828 ngx_http_perl_loc_conf_t *conf = child; | |
829 | |
830 if (conf->sub == NULL) { | |
831 conf->sub = prev->sub; | |
832 conf->handler = prev->handler; | |
833 } | |
834 | |
835 return NGX_CONF_OK; | |
836 } | |
837 | |
838 | |
839 static char * | |
840 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
841 { | |
842 ngx_http_perl_main_conf_t *pmcf = conf; | |
843 | |
844 u_char **p; | |
845 ngx_str_t *value; | |
846 | |
847 value = cf->args->elts; | |
848 | |
849 p = ngx_array_push(&pmcf->requires); | |
850 | |
851 if (p == NULL) { | |
852 return NGX_CONF_ERROR; | |
853 } | |
854 | |
855 *p = value[1].data; | |
856 | |
857 return NGX_CONF_OK; | |
858 } | |
859 | |
860 | |
861 static char * | |
862 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
863 { | |
864 ngx_http_perl_loc_conf_t *plcf = conf; | |
865 | |
866 ngx_str_t *value; | |
867 ngx_http_core_loc_conf_t *clcf; | |
868 ngx_http_perl_main_conf_t *pmcf; | |
869 | |
870 value = cf->args->elts; | |
871 | |
872 if (plcf->handler.data) { | |
873 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
874 "duplicate perl handler \"%V\"", &value[1]); | |
875 return NGX_CONF_ERROR; | |
876 } | |
877 | |
878 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
879 | |
880 if (pmcf->perl == NULL) { | |
881 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
882 return NGX_CONF_ERROR; | |
883 } | |
884 } | |
885 | |
886 plcf->handler = value[1]; | |
887 | |
888 { | |
889 | |
890 dTHXa(pmcf->perl); | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
891 PERL_SET_CONTEXT(pmcf->perl); |
599 | 892 |
893 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
894 | |
895 if (plcf->sub == &PL_sv_undef) { | |
896 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
897 "eval_pv(\"%V\") failed", &value[1]); | |
898 return NGX_CONF_ERROR; | |
899 } | |
900 | |
901 if (plcf->sub == NULL) { | |
902 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
903 } | |
904 | |
905 } | |
906 | |
907 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
908 clcf->handler = ngx_http_perl_handler; | |
909 | |
910 return NGX_CONF_OK; | |
911 } | |
912 | |
913 | |
914 static char * | |
915 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
916 { | |
917 ngx_int_t index; | |
918 ngx_str_t *value; | |
919 ngx_http_variable_t *v; | |
920 ngx_http_perl_variable_t *pv; | |
921 ngx_http_perl_main_conf_t *pmcf; | |
922 | |
923 value = cf->args->elts; | |
924 | |
925 if (value[1].data[0] != '$') { | |
926 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
927 "invalid variable name \"%V\"", &value[1]); | |
928 return NGX_CONF_ERROR; | |
929 } | |
930 | |
931 value[1].len--; | |
932 value[1].data++; | |
933 | |
934 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE); | |
935 if (v == NULL) { | |
936 return NGX_CONF_ERROR; | |
937 } | |
938 | |
939 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
940 if (pv == NULL) { | |
941 return NGX_CONF_ERROR; | |
942 } | |
943 | |
944 index = ngx_http_get_variable_index(cf, &value[1]); | |
945 if (index == NGX_ERROR) { | |
946 return NGX_CONF_ERROR; | |
947 } | |
948 | |
949 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
950 | |
951 if (pmcf->perl == NULL) { | |
952 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
953 return NGX_CONF_ERROR; | |
954 } | |
955 } | |
956 | |
957 pv->handler = value[2]; | |
958 | |
959 { | |
960 | |
961 dTHXa(pmcf->perl); | |
873
f92ad15c2db1
fix segfaults in future workers those will use old configuration,
Igor Sysoev <igor@sysoev.ru>
parents:
872
diff
changeset
|
962 PERL_SET_CONTEXT(pmcf->perl); |
599 | 963 |
964 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
965 | |
966 if (pv->sub == &PL_sv_undef) { | |
967 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
968 "eval_pv(\"%V\") failed", &value[2]); | |
969 return NGX_CONF_ERROR; | |
970 } | |
971 | |
972 if (pv->sub == NULL) { | |
973 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
974 } | |
975 | |
976 } | |
977 | |
637 | 978 v->get_handler = ngx_http_perl_variable; |
599 | 979 v->data = (uintptr_t) pv; |
980 | |
981 return NGX_CONF_OK; | |
982 } |