Mercurial > hg > nginx-quic
annotate src/http/modules/perl/ngx_http_perl_module.c @ 872:1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
unsupported threaded environment, but now they complicate code:
*) perl_clone() requires at least duplicating nginx stash;
*) the multiplicity requires to re-evalute all precompiled subroutines
and nginx stash in new interpreter context.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sun, 26 Nov 2006 14:35:27 +0000 |
parents | a980f66c04fb |
children | f92ad15c2db1 |
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; | |
15 ngx_str_t modules; | |
16 ngx_array_t requires; | |
17 } ngx_http_perl_main_conf_t; | |
18 | |
19 | |
20 typedef struct { | |
21 SV *sub; | |
22 ngx_str_t handler; | |
23 } ngx_http_perl_loc_conf_t; | |
24 | |
25 | |
26 typedef struct { | |
27 SV *sub; | |
28 ngx_str_t handler; | |
29 } ngx_http_perl_variable_t; | |
30 | |
31 | |
653 | 32 typedef struct { |
33 SV *sv; | |
34 PerlInterpreter *perl; | |
35 } ngx_http_perl_cleanup_t; | |
36 | |
37 | |
617 | 38 #if (NGX_HTTP_SSI) |
599 | 39 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, |
40 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); | |
617 | 41 #endif |
42 | |
599 | 43 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, |
44 ngx_http_perl_main_conf_t *pmcf); | |
45 static PerlInterpreter * | |
46 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
47 ngx_log_t *log); | |
653 | 48 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, |
649 | 49 ngx_log_t *log); |
599 | 50 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, |
51 SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv); | |
52 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); | |
53 | |
54 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); | |
55 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); | |
56 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); | |
57 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); | |
58 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
59 void *child); | |
60 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, | |
61 void *conf); | |
62 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
63 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
|
64 static void ngx_http_perl_cleanup_sv(void *data); |
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
65 |
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
66 #if (NGX_HAVE_PERL_MULTIPLICITY) |
599 | 67 static void ngx_http_perl_cleanup_perl(void *data); |
649 | 68 #endif |
599 | 69 |
70 | |
71 static ngx_command_t ngx_http_perl_commands[] = { | |
72 | |
73 { ngx_string("perl_modules"), | |
74 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
75 ngx_conf_set_str_slot, | |
76 NGX_HTTP_MAIN_CONF_OFFSET, | |
77 offsetof(ngx_http_perl_main_conf_t, modules), | |
78 NULL }, | |
79 | |
80 { ngx_string("perl_require"), | |
81 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
82 ngx_http_perl_require, | |
83 NGX_HTTP_MAIN_CONF_OFFSET, | |
84 0, | |
85 NULL }, | |
86 | |
87 { ngx_string("perl"), | |
88 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
89 ngx_http_perl, | |
90 NGX_HTTP_LOC_CONF_OFFSET, | |
91 0, | |
92 NULL }, | |
93 | |
94 { ngx_string("perl_set"), | |
95 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
96 ngx_http_perl_set, | |
97 NGX_HTTP_LOC_CONF_OFFSET, | |
98 0, | |
99 NULL }, | |
100 | |
101 ngx_null_command | |
102 }; | |
103 | |
104 | |
105 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
106 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
107 NULL, /* postconfiguration */ | |
108 | |
109 ngx_http_perl_create_main_conf, /* create main configuration */ | |
110 ngx_http_perl_init_main_conf, /* init main configuration */ | |
111 | |
112 NULL, /* create server configuration */ | |
113 NULL, /* merge server configuration */ | |
114 | |
115 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
116 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
117 }; | |
118 | |
119 | |
120 ngx_module_t ngx_http_perl_module = { | |
121 NGX_MODULE_V1, | |
122 &ngx_http_perl_module_ctx, /* module context */ | |
123 ngx_http_perl_commands, /* module directives */ | |
124 NGX_HTTP_MODULE, /* module type */ | |
125 NULL, /* init master */ | |
126 NULL, /* init module */ | |
127 NULL, /* init process */ | |
128 NULL, /* init thread */ | |
129 NULL, /* exit thread */ | |
130 NULL, /* exit process */ | |
131 NULL, /* exit master */ | |
132 NGX_MODULE_V1_PADDING | |
133 }; | |
134 | |
135 | |
617 | 136 #if (NGX_HTTP_SSI) |
137 | |
599 | 138 #define NGX_HTTP_PERL_SSI_SUB 0 |
139 #define NGX_HTTP_PERL_SSI_ARG 1 | |
140 | |
141 | |
142 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
143 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
144 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
145 { ngx_null_string, 0, 0, 0 } | |
146 }; | |
147 | |
148 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
667 | 149 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
599 | 150 }; |
151 | |
617 | 152 #endif |
153 | |
599 | 154 |
681 | 155 static ngx_str_t ngx_null_name = ngx_null_string; |
156 | |
157 | |
633 | 158 static HV *nginx_stash; |
159 | |
599 | 160 static void |
161 ngx_http_perl_xs_init(pTHX) | |
162 { | |
163 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
633 | 164 |
165 nginx_stash = gv_stashpv("nginx", TRUE); | |
599 | 166 } |
167 | |
168 | |
169 static ngx_int_t | |
170 ngx_http_perl_handler(ngx_http_request_t *r) | |
171 { | |
629 | 172 /* TODO: Win32 */ |
173 if (r->zero_in_uri) { | |
174 return NGX_HTTP_NOT_FOUND; | |
175 } | |
176 | |
681 | 177 ngx_http_perl_handle_request(r); |
178 | |
179 return NGX_DONE; | |
629 | 180 } |
181 | |
182 | |
681 | 183 void |
629 | 184 ngx_http_perl_handle_request(ngx_http_request_t *r) |
185 { | |
681 | 186 SV *sub; |
599 | 187 ngx_int_t rc; |
681 | 188 ngx_str_t uri, args, *handler; |
599 | 189 ngx_http_perl_ctx_t *ctx; |
190 ngx_http_perl_loc_conf_t *plcf; | |
191 ngx_http_perl_main_conf_t *pmcf; | |
192 | |
193 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
194 | |
195 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
196 | |
197 if (ctx == NULL) { | |
198 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
199 if (ctx == NULL) { | |
681 | 200 ngx_http_finalize_request(r, NGX_ERROR); |
629 | 201 return; |
599 | 202 } |
203 | |
204 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
205 } | |
206 | |
207 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
208 | |
209 { | |
210 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
211 dTHXa(pmcf->perl); |
599 | 212 |
681 | 213 if (ctx->next == NULL) { |
214 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
215 sub = plcf->sub; | |
216 handler = &plcf->handler; | |
599 | 217 |
681 | 218 } else { |
219 sub = ctx->next; | |
220 handler = &ngx_null_name; | |
221 ctx->next = NULL; | |
222 } | |
223 | |
224 rc = ngx_http_perl_call_handler(aTHX_ r, sub, NULL, handler, NULL); | |
599 | 225 |
226 } | |
227 | |
228 if (rc > 600) { | |
229 rc = NGX_OK; | |
230 } | |
231 | |
232 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
233 "perl handler done: %i", rc); | |
234 | |
235 if (ctx->redirect_uri.len) { | |
236 uri = ctx->redirect_uri; | |
237 args = ctx->redirect_args; | |
629 | 238 |
239 } else { | |
240 uri.len = 0; | |
599 | 241 } |
242 | |
633 | 243 ctx->filename.data = NULL; |
599 | 244 ctx->redirect_uri.len = 0; |
245 | |
681 | 246 if (ctx->done || ctx->next) { |
247 return; | |
248 } | |
249 | |
599 | 250 if (uri.len) { |
629 | 251 ngx_http_internal_redirect(r, &uri, &args); |
252 return; | |
599 | 253 } |
254 | |
255 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
629 | 256 ngx_http_send_special(r, NGX_HTTP_LAST); |
681 | 257 ctx->done = 1; |
599 | 258 } |
259 | |
629 | 260 ngx_http_finalize_request(r, rc); |
599 | 261 } |
262 | |
263 | |
264 static ngx_int_t | |
265 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
266 uintptr_t data) | |
267 { | |
268 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
269 | |
270 ngx_int_t rc; | |
271 ngx_str_t value; | |
272 ngx_http_perl_ctx_t *ctx; | |
273 ngx_http_perl_main_conf_t *pmcf; | |
274 | |
275 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
276 "perl variable handler"); | |
277 | |
278 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
279 | |
280 if (ctx == NULL) { | |
281 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
282 if (ctx == NULL) { | |
283 return NGX_ERROR; | |
284 } | |
285 | |
286 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
|
287 } |
599 | 288 |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
289 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 290 |
291 value.data = NULL; | |
292 | |
293 { | |
294 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
295 dTHXa(pmcf->perl); |
599 | 296 |
297 rc = ngx_http_perl_call_handler(aTHX_ r, pv->sub, NULL, | |
298 &pv->handler, &value); | |
299 | |
300 } | |
301 | |
302 if (value.data) { | |
303 v->len = value.len; | |
304 v->valid = 1; | |
305 v->no_cachable = 0; | |
306 v->not_found = 0; | |
307 v->data = value.data; | |
308 | |
309 } else { | |
310 v->not_found = 1; | |
311 } | |
312 | |
633 | 313 ctx->filename.data = NULL; |
599 | 314 ctx->redirect_uri.len = 0; |
315 | |
871 | 316 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
317 "perl variable done"); | |
318 | |
599 | 319 return rc; |
320 } | |
321 | |
322 | |
617 | 323 #if (NGX_HTTP_SSI) |
324 | |
599 | 325 static ngx_int_t |
326 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
327 ngx_str_t **params) | |
328 { | |
329 SV *sv; | |
330 ngx_int_t rc; | |
331 ngx_str_t *handler; | |
332 ngx_http_perl_ctx_t *ctx; | |
333 ngx_http_perl_main_conf_t *pmcf; | |
334 | |
335 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
336 "perl ssi handler"); | |
337 | |
338 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
339 | |
340 if (ctx == NULL) { | |
341 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
342 if (ctx == NULL) { | |
343 return NGX_ERROR; | |
344 } | |
345 | |
346 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
347 } | |
348 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
349 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 350 |
351 ctx->ssi = ssi_ctx; | |
352 | |
353 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
354 handler->data[handler->len] = '\0'; | |
355 | |
356 { | |
357 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
358 dTHXa(pmcf->perl); |
599 | 359 |
651 | 360 #if 0 |
361 | |
362 /* the code is disabled to force the precompiled perl code using only */ | |
363 | |
364 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
365 | |
366 if (sv == &PL_sv_undef) { | |
367 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
368 "eval_pv(\"%V\") failed", handler); | |
369 return NGX_ERROR; | |
370 } | |
371 | |
372 if (sv == NULL) { | |
373 sv = newSVpvn((char *) handler->data, handler->len); | |
374 } | |
375 | |
376 #endif | |
377 | |
599 | 378 sv = newSVpvn((char *) handler->data, handler->len); |
379 | |
380 rc = ngx_http_perl_call_handler(aTHX_ r, sv, ¶ms[NGX_HTTP_PERL_SSI_ARG], | |
381 handler, NULL); | |
382 | |
383 SvREFCNT_dec(sv); | |
384 | |
385 } | |
386 | |
633 | 387 ctx->filename.data = NULL; |
599 | 388 ctx->redirect_uri.len = 0; |
389 ctx->ssi = NULL; | |
390 | |
871 | 391 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
392 | |
599 | 393 return rc; |
394 } | |
395 | |
617 | 396 #endif |
397 | |
599 | 398 |
399 static char * | |
400 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
401 { | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
402 #if (NGX_HAVE_PERL_MULTIPLICITY) |
653 | 403 ngx_pool_cleanup_t *cln; |
599 | 404 |
405 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
406 if (cln == NULL) { | |
407 return NGX_CONF_ERROR; | |
408 } | |
409 | |
649 | 410 #else |
411 static PerlInterpreter *perl; | |
412 #endif | |
413 | |
599 | 414 #ifdef NGX_PERL_MODULES |
415 if (pmcf->modules.data == NULL) { | |
416 pmcf->modules.data = NGX_PERL_MODULES; | |
417 } | |
418 #endif | |
419 | |
639 | 420 if (pmcf->modules.data) { |
421 if (ngx_conf_full_name(cf->cycle, &pmcf->modules) != NGX_OK) { | |
422 return NGX_CONF_ERROR; | |
423 } | |
629 | 424 } |
425 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
426 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
649 | 427 |
428 if (perl) { | |
653 | 429 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
430 != NGX_OK) | |
431 { | |
649 | 432 return NGX_CONF_ERROR; |
433 } | |
434 | |
435 pmcf->perl = perl; | |
436 | |
437 return NGX_CONF_OK; | |
438 } | |
439 | |
440 #endif | |
441 | |
599 | 442 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
443 | |
444 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log); | |
445 | |
446 if (pmcf->perl == NULL) { | |
447 PERL_SYS_TERM(); | |
448 return NGX_CONF_ERROR; | |
449 } | |
450 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
451 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 452 |
599 | 453 cln->handler = ngx_http_perl_cleanup_perl; |
454 cln->data = pmcf->perl; | |
455 | |
649 | 456 #else |
457 | |
458 perl = pmcf->perl; | |
459 | |
460 #endif | |
461 | |
599 | 462 return NGX_CONF_OK; |
463 } | |
464 | |
465 | |
466 static PerlInterpreter * | |
467 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf, | |
468 ngx_log_t *log) | |
469 { | |
470 int n; | |
775 | 471 STRLEN len; |
472 SV *sv; | |
473 char *ver, *embedding[6]; | |
599 | 474 PerlInterpreter *perl; |
475 | |
476 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter"); | |
477 | |
478 perl = perl_alloc(); | |
479 if (perl == NULL) { | |
480 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed"); | |
481 return NULL; | |
482 } | |
483 | |
484 perl_construct(perl); | |
485 | |
486 { | |
487 | |
488 dTHXa(perl); | |
489 | |
490 #ifdef PERL_EXIT_DESTRUCT_END | |
491 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
492 #endif | |
493 | |
494 embedding[0] = ""; | |
495 | |
496 if (pmcf->modules.data) { | |
497 embedding[1] = "-I"; | |
498 embedding[2] = (char *) pmcf->modules.data; | |
499 n = 3; | |
500 | |
501 } else { | |
502 n = 1; | |
503 } | |
504 | |
505 embedding[n++] = "-Mnginx"; | |
506 embedding[n++] = "-e"; | |
507 embedding[n++] = "0"; | |
508 | |
509 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
510 | |
511 if (n != 0) { | |
512 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n); | |
513 goto fail; | |
514 } | |
515 | |
775 | 516 sv = get_sv("nginx::VERSION", FALSE); |
517 ver = SvPV(sv, len); | |
518 | |
519 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
520 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
521 "version " NGINX_VERSION " of nginx.pm is required, " | |
522 "but %s was found", ver); | |
523 goto fail; | |
524 } | |
525 | |
653 | 526 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, log) != NGX_OK) { |
649 | 527 goto fail; |
599 | 528 } |
529 | |
530 } | |
531 | |
532 return perl; | |
533 | |
534 fail: | |
535 | |
536 (void) perl_destruct(perl); | |
537 | |
538 perl_free(perl); | |
539 | |
540 return NULL; | |
541 } | |
542 | |
543 | |
649 | 544 static ngx_int_t |
653 | 545 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 546 { |
547 char **script; | |
548 STRLEN len; | |
549 ngx_str_t err; | |
550 ngx_uint_t i; | |
551 | |
552 script = requires->elts; | |
553 for (i = 0; i < requires->nelts; i++) { | |
554 | |
555 require_pv(script[i]); | |
556 | |
557 if (SvTRUE(ERRSV)) { | |
558 | |
559 err.data = (u_char *) SvPV(ERRSV, len); | |
560 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
561 /* void */ | |
562 } | |
563 err.len = len + 1; | |
564 | |
565 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
566 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
567 | |
568 return NGX_ERROR; | |
569 } | |
570 } | |
571 | |
572 return NGX_OK; | |
573 } | |
574 | |
575 | |
599 | 576 static ngx_int_t |
577 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, SV *sub, | |
578 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv) | |
579 { | |
580 SV *sv; | |
581 int n, status; | |
582 char *line; | |
583 STRLEN len, n_a; | |
584 ngx_str_t err; | |
585 ngx_uint_t i; | |
586 | |
587 dSP; | |
588 | |
589 status = 0; | |
590 | |
591 ENTER; | |
592 SAVETMPS; | |
593 | |
594 PUSHMARK(sp); | |
595 | |
633 | 596 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx_stash)); |
599 | 597 XPUSHs(sv); |
598 | |
599 if (args) { | |
600 for (i = 0; args[i]; i++) { /* void */ } | |
601 | |
602 EXTEND(sp, (int) i); | |
603 | |
604 for (i = 0; args[i]; i++) { | |
605 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len))); | |
606 } | |
607 } | |
608 | |
609 PUTBACK; | |
610 | |
611 n = call_sv(sub, G_EVAL); | |
612 | |
613 SPAGAIN; | |
614 | |
615 if (n) { | |
616 if (rv == NULL) { | |
617 status = POPi; | |
618 | |
619 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
620 "call_sv: %d", status); | |
621 | |
622 } else { | |
619 | 623 line = SvPVx(POPs, n_a); |
599 | 624 rv->len = n_a; |
625 | |
626 rv->data = ngx_palloc(r->pool, n_a); | |
627 if (rv->data == NULL) { | |
628 return NGX_ERROR; | |
629 } | |
630 | |
631 ngx_memcpy(rv->data, line, n_a); | |
632 } | |
633 } | |
634 | |
635 PUTBACK; | |
636 | |
637 FREETMPS; | |
638 LEAVE; | |
639 | |
640 /* check $@ */ | |
641 | |
642 if (SvTRUE(ERRSV)) { | |
643 | |
644 err.data = (u_char *) SvPV(ERRSV, len); | |
645 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
646 /* void */ | |
647 } | |
648 err.len = len + 1; | |
649 | |
650 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
651 "call_sv(\"%V\") failed: \"%V\"", | |
652 handler, &err); | |
653 | |
654 if (rv) { | |
655 return NGX_ERROR; | |
656 } | |
657 | |
658 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
659 } | |
660 | |
661 if (n != 1) { | |
662 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
663 "call_sv(\"%V\") returned %d results", handler, n); | |
664 status = NGX_OK; | |
665 } | |
666 | |
667 if (rv) { | |
668 return NGX_OK; | |
669 } | |
670 | |
671 return (ngx_int_t) status; | |
672 } | |
673 | |
674 | |
675 static void | |
676 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
677 { | |
623 | 678 u_char *p; |
679 | |
680 for (p = handler->data; *p; p++) { | |
681 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
682 break; | |
683 } | |
684 } | |
685 | |
649 | 686 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) { |
623 | 687 *sv = eval_pv((char *) p, FALSE); |
599 | 688 return; |
689 } | |
690 | |
691 *sv = NULL; | |
692 } | |
693 | |
694 | |
695 static void * | |
696 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
697 { | |
698 ngx_http_perl_main_conf_t *pmcf; | |
699 | |
700 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
701 if (pmcf == NULL) { | |
702 return NGX_CONF_ERROR; | |
703 } | |
704 | |
705 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
706 != NGX_OK) | |
707 { | |
708 return NULL; | |
709 } | |
710 | |
711 return pmcf; | |
712 } | |
713 | |
714 | |
715 static char * | |
716 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
717 { | |
718 ngx_http_perl_main_conf_t *pmcf = conf; | |
719 | |
720 if (pmcf->perl == NULL) { | |
721 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
722 return NGX_CONF_ERROR; | |
723 } | |
724 } | |
725 | |
726 return NGX_CONF_OK; | |
727 } | |
728 | |
729 | |
872
1c4a5b3f9110
Axe several perl interpreter instances: they may be useful in currently
Igor Sysoev <igor@sysoev.ru>
parents:
871
diff
changeset
|
730 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 731 |
599 | 732 static void |
733 ngx_http_perl_cleanup_perl(void *data) | |
734 { | |
649 | 735 PerlInterpreter *perl = data; |
599 | 736 |
737 (void) perl_destruct(perl); | |
738 | |
739 perl_free(perl); | |
740 | |
741 PERL_SYS_TERM(); | |
742 } | |
743 | |
649 | 744 #endif |
745 | |
746 | |
747 static void | |
748 ngx_http_perl_cleanup_sv(void *data) | |
749 { | |
653 | 750 ngx_http_perl_cleanup_t *cln = data; |
649 | 751 |
653 | 752 dTHXa(cln->perl); |
753 | |
754 SvREFCNT_dec(cln->sv); | |
649 | 755 } |
756 | |
599 | 757 |
758 static ngx_int_t | |
759 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
760 { | |
617 | 761 #if (NGX_HTTP_SSI) |
599 | 762 ngx_int_t rc; |
763 ngx_http_ssi_main_conf_t *smcf; | |
764 | |
765 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
766 | |
767 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
768 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
769 | |
770 if (rc != NGX_OK) { | |
771 if (rc == NGX_BUSY) { | |
772 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
773 "conflicting SSI command \"%V\"", | |
774 &ngx_http_perl_ssi_command.name); | |
775 } | |
776 | |
777 return NGX_ERROR; | |
778 } | |
617 | 779 #endif |
599 | 780 |
781 return NGX_OK; | |
782 } | |
783 | |
784 | |
785 static void * | |
786 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
787 { | |
788 ngx_http_perl_loc_conf_t *plcf; | |
789 | |
790 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
791 if (plcf == NULL) { | |
792 return NGX_CONF_ERROR; | |
793 } | |
794 | |
795 /* | |
796 * set by ngx_pcalloc(): | |
797 * | |
798 * plcf->handler = { 0, NULL }; | |
799 */ | |
800 | |
801 return plcf; | |
802 } | |
803 | |
804 | |
805 static char * | |
806 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
807 { | |
808 ngx_http_perl_loc_conf_t *prev = parent; | |
809 ngx_http_perl_loc_conf_t *conf = child; | |
810 | |
811 if (conf->sub == NULL) { | |
812 conf->sub = prev->sub; | |
813 conf->handler = prev->handler; | |
814 } | |
815 | |
816 return NGX_CONF_OK; | |
817 } | |
818 | |
819 | |
820 static char * | |
821 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
822 { | |
823 ngx_http_perl_main_conf_t *pmcf = conf; | |
824 | |
825 u_char **p; | |
826 ngx_str_t *value; | |
827 | |
828 value = cf->args->elts; | |
829 | |
830 p = ngx_array_push(&pmcf->requires); | |
831 | |
832 if (p == NULL) { | |
833 return NGX_CONF_ERROR; | |
834 } | |
835 | |
836 *p = value[1].data; | |
837 | |
838 return NGX_CONF_OK; | |
839 } | |
840 | |
841 | |
842 static char * | |
843 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
844 { | |
845 ngx_http_perl_loc_conf_t *plcf = conf; | |
846 | |
847 ngx_str_t *value; | |
649 | 848 ngx_pool_cleanup_t *cln; |
653 | 849 ngx_http_perl_cleanup_t *pcln; |
599 | 850 ngx_http_core_loc_conf_t *clcf; |
851 ngx_http_perl_main_conf_t *pmcf; | |
852 | |
853 value = cf->args->elts; | |
854 | |
855 if (plcf->handler.data) { | |
856 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
857 "duplicate perl handler \"%V\"", &value[1]); | |
858 return NGX_CONF_ERROR; | |
859 } | |
860 | |
861 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
862 | |
863 if (pmcf->perl == NULL) { | |
864 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
865 return NGX_CONF_ERROR; | |
866 } | |
867 } | |
868 | |
653 | 869 cln = ngx_pool_cleanup_add(cf->pool, sizeof(ngx_http_perl_cleanup_t)); |
649 | 870 if (cln == NULL) { |
871 return NGX_CONF_ERROR; | |
872 } | |
873 | |
599 | 874 plcf->handler = value[1]; |
875 | |
876 { | |
877 | |
878 dTHXa(pmcf->perl); | |
879 | |
880 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
881 | |
882 if (plcf->sub == &PL_sv_undef) { | |
883 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
884 "eval_pv(\"%V\") failed", &value[1]); | |
885 return NGX_CONF_ERROR; | |
886 } | |
887 | |
888 if (plcf->sub == NULL) { | |
889 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
890 } | |
891 | |
892 } | |
893 | |
649 | 894 cln->handler = ngx_http_perl_cleanup_sv; |
653 | 895 pcln = cln->data; |
896 pcln->sv = plcf->sub; | |
897 pcln->perl = pmcf->perl; | |
649 | 898 |
599 | 899 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
900 clcf->handler = ngx_http_perl_handler; | |
901 | |
902 return NGX_CONF_OK; | |
903 } | |
904 | |
905 | |
906 static char * | |
907 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
908 { | |
909 ngx_int_t index; | |
910 ngx_str_t *value; | |
649 | 911 ngx_pool_cleanup_t *cln; |
599 | 912 ngx_http_variable_t *v; |
653 | 913 ngx_http_perl_cleanup_t *pcln; |
599 | 914 ngx_http_perl_variable_t *pv; |
915 ngx_http_perl_main_conf_t *pmcf; | |
916 | |
917 value = cf->args->elts; | |
918 | |
919 if (value[1].data[0] != '$') { | |
920 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
921 "invalid variable name \"%V\"", &value[1]); | |
922 return NGX_CONF_ERROR; | |
923 } | |
924 | |
925 value[1].len--; | |
926 value[1].data++; | |
927 | |
928 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE); | |
929 if (v == NULL) { | |
930 return NGX_CONF_ERROR; | |
931 } | |
932 | |
933 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
934 if (pv == NULL) { | |
935 return NGX_CONF_ERROR; | |
936 } | |
937 | |
938 index = ngx_http_get_variable_index(cf, &value[1]); | |
939 if (index == NGX_ERROR) { | |
940 return NGX_CONF_ERROR; | |
941 } | |
942 | |
943 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
944 | |
945 if (pmcf->perl == NULL) { | |
946 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
947 return NGX_CONF_ERROR; | |
948 } | |
949 } | |
950 | |
653 | 951 cln = ngx_pool_cleanup_add(cf->pool, sizeof(ngx_http_perl_cleanup_t)); |
649 | 952 if (cln == NULL) { |
953 return NGX_CONF_ERROR; | |
954 } | |
955 | |
599 | 956 pv->handler = value[2]; |
957 | |
958 { | |
959 | |
960 dTHXa(pmcf->perl); | |
961 | |
962 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
963 | |
964 if (pv->sub == &PL_sv_undef) { | |
965 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
966 "eval_pv(\"%V\") failed", &value[2]); | |
967 return NGX_CONF_ERROR; | |
968 } | |
969 | |
970 if (pv->sub == NULL) { | |
971 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
972 } | |
973 | |
974 } | |
975 | |
649 | 976 cln->handler = ngx_http_perl_cleanup_sv; |
653 | 977 pcln = cln->data; |
978 pcln->sv = pv->sub; | |
979 pcln->perl = pmcf->perl; | |
649 | 980 |
637 | 981 v->get_handler = ngx_http_perl_variable; |
599 | 982 v->data = (uintptr_t) pv; |
983 | |
984 return NGX_CONF_OK; | |
985 } |