Mercurial > hg > nginx
annotate src/http/modules/perl/ngx_http_perl_module.c @ 2715:a5845475a903
perl termination fixes:
*) master exit hook is run before global pool cleanup, so call PERL_SYS_TERM()
after perl_destruct()/perl_free(). This fixes the message
panic: MUTEX_LOCK (22) [op.c:352]
on some threaded perl builds
*) call perl_destruct()/perl_free() before PERL_SYS_TERM() for
non-mulitiplicity perl
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 16 Apr 2009 14:42:31 +0000 |
parents | 4dd1773990db |
children | 8e720b7fe6d2 |
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; | |
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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 | |
599 | 44 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, |
45 ngx_http_perl_main_conf_t *pmcf); | |
1069 | 46 static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
47 ngx_http_perl_main_conf_t *pmcf); | |
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, |
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51 HV *nginx, SV *sub, SV **args, ngx_str_t *handler, ngx_str_t *rv); |
599 | 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); | |
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64 |
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65 #if (NGX_HAVE_PERL_MULTIPLICITY) |
599 | 66 static void ngx_http_perl_cleanup_perl(void *data); |
649 | 67 #endif |
599 | 68 |
1257 | 69 static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle); |
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70 static void ngx_http_perl_exit(ngx_cycle_t *cycle); |
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71 |
599 | 72 |
73 static ngx_command_t ngx_http_perl_commands[] = { | |
74 | |
75 { ngx_string("perl_modules"), | |
76 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
77 ngx_conf_set_str_slot, | |
78 NGX_HTTP_MAIN_CONF_OFFSET, | |
79 offsetof(ngx_http_perl_main_conf_t, modules), | |
80 NULL }, | |
81 | |
82 { ngx_string("perl_require"), | |
83 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, | |
84 ngx_http_perl_require, | |
85 NGX_HTTP_MAIN_CONF_OFFSET, | |
86 0, | |
87 NULL }, | |
88 | |
89 { ngx_string("perl"), | |
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90 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
599 | 91 ngx_http_perl, |
92 NGX_HTTP_LOC_CONF_OFFSET, | |
93 0, | |
94 NULL }, | |
95 | |
96 { ngx_string("perl_set"), | |
97 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, | |
98 ngx_http_perl_set, | |
99 NGX_HTTP_LOC_CONF_OFFSET, | |
100 0, | |
101 NULL }, | |
102 | |
103 ngx_null_command | |
104 }; | |
105 | |
106 | |
107 static ngx_http_module_t ngx_http_perl_module_ctx = { | |
108 ngx_http_perl_preconfiguration, /* preconfiguration */ | |
109 NULL, /* postconfiguration */ | |
110 | |
111 ngx_http_perl_create_main_conf, /* create main configuration */ | |
112 ngx_http_perl_init_main_conf, /* init main configuration */ | |
113 | |
114 NULL, /* create server configuration */ | |
115 NULL, /* merge server configuration */ | |
116 | |
117 ngx_http_perl_create_loc_conf, /* create location configuration */ | |
118 ngx_http_perl_merge_loc_conf /* merge location configuration */ | |
119 }; | |
120 | |
121 | |
122 ngx_module_t ngx_http_perl_module = { | |
123 NGX_MODULE_V1, | |
124 &ngx_http_perl_module_ctx, /* module context */ | |
125 ngx_http_perl_commands, /* module directives */ | |
126 NGX_HTTP_MODULE, /* module type */ | |
127 NULL, /* init master */ | |
128 NULL, /* init module */ | |
1257 | 129 ngx_http_perl_init_worker, /* init process */ |
599 | 130 NULL, /* init thread */ |
131 NULL, /* exit thread */ | |
132 NULL, /* exit process */ | |
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133 ngx_http_perl_exit, /* exit master */ |
599 | 134 NGX_MODULE_V1_PADDING |
135 }; | |
136 | |
137 | |
617 | 138 #if (NGX_HTTP_SSI) |
139 | |
599 | 140 #define NGX_HTTP_PERL_SSI_SUB 0 |
141 #define NGX_HTTP_PERL_SSI_ARG 1 | |
142 | |
143 | |
144 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { | |
145 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, | |
146 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, | |
147 { ngx_null_string, 0, 0, 0 } | |
148 }; | |
149 | |
150 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { | |
667 | 151 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 |
599 | 152 }; |
153 | |
617 | 154 #endif |
155 | |
599 | 156 |
2715 | 157 static ngx_str_t ngx_null_name = ngx_null_string; |
158 | |
159 static HV *nginx_stash; | |
681 | 160 |
2715 | 161 #if (NGX_HAVE_PERL_MULTIPLICITY) |
162 static ngx_uint_t ngx_perl_term; | |
163 #endif | |
681 | 164 |
633 | 165 |
599 | 166 static void |
167 ngx_http_perl_xs_init(pTHX) | |
168 { | |
169 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); | |
633 | 170 |
171 nginx_stash = gv_stashpv("nginx", TRUE); | |
599 | 172 } |
173 | |
174 | |
175 static ngx_int_t | |
176 ngx_http_perl_handler(ngx_http_request_t *r) | |
177 { | |
629 | 178 /* TODO: Win32 */ |
179 if (r->zero_in_uri) { | |
180 return NGX_HTTP_NOT_FOUND; | |
181 } | |
182 | |
681 | 183 ngx_http_perl_handle_request(r); |
184 | |
185 return NGX_DONE; | |
629 | 186 } |
187 | |
188 | |
681 | 189 void |
629 | 190 ngx_http_perl_handle_request(ngx_http_request_t *r) |
191 { | |
681 | 192 SV *sub; |
599 | 193 ngx_int_t rc; |
681 | 194 ngx_str_t uri, args, *handler; |
599 | 195 ngx_http_perl_ctx_t *ctx; |
196 ngx_http_perl_loc_conf_t *plcf; | |
197 ngx_http_perl_main_conf_t *pmcf; | |
198 | |
199 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
200 | |
201 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
202 | |
203 if (ctx == NULL) { | |
204 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
205 if (ctx == NULL) { | |
681 | 206 ngx_http_finalize_request(r, NGX_ERROR); |
1025 | 207 return; |
599 | 208 } |
209 | |
210 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
211 } | |
212 | |
213 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
214 | |
215 { | |
216 | |
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217 dTHXa(pmcf->perl); |
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218 PERL_SET_CONTEXT(pmcf->perl); |
599 | 219 |
681 | 220 if (ctx->next == NULL) { |
221 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
222 sub = plcf->sub; | |
223 handler = &plcf->handler; | |
599 | 224 |
681 | 225 } else { |
226 sub = ctx->next; | |
227 handler = &ngx_null_name; | |
228 ctx->next = NULL; | |
229 } | |
230 | |
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231 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
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232 NULL); |
599 | 233 |
234 } | |
235 | |
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236 if (rc == NGX_DONE) { |
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237 return; |
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238 } |
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239 |
599 | 240 if (rc > 600) { |
241 rc = NGX_OK; | |
242 } | |
243 | |
244 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
245 "perl handler done: %i", rc); | |
246 | |
247 if (ctx->redirect_uri.len) { | |
248 uri = ctx->redirect_uri; | |
249 args = ctx->redirect_args; | |
629 | 250 |
251 } else { | |
252 uri.len = 0; | |
599 | 253 } |
254 | |
633 | 255 ctx->filename.data = NULL; |
599 | 256 ctx->redirect_uri.len = 0; |
257 | |
681 | 258 if (ctx->done || ctx->next) { |
259 return; | |
260 } | |
261 | |
599 | 262 if (uri.len) { |
629 | 263 ngx_http_internal_redirect(r, &uri, &args); |
264 return; | |
599 | 265 } |
266 | |
267 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
629 | 268 ngx_http_send_special(r, NGX_HTTP_LAST); |
681 | 269 ctx->done = 1; |
599 | 270 } |
271 | |
629 | 272 ngx_http_finalize_request(r, rc); |
599 | 273 } |
274 | |
275 | |
1897 | 276 void |
911 | 277 ngx_http_perl_sleep_handler(ngx_http_request_t *r) |
278 { | |
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279 ngx_event_t *wev; |
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280 |
911 | 281 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
282 "perl sleep handler"); | |
283 | |
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284 wev = r->connection->write; |
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285 |
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286 if (wev->timedout) { |
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287 wev->timedout = 0; |
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288 ngx_http_perl_handle_request(r); |
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289 return; |
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290 } |
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291 |
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292 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
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293 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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294 } |
911 | 295 } |
296 | |
297 | |
599 | 298 static ngx_int_t |
299 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
300 uintptr_t data) | |
301 { | |
302 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
303 | |
304 ngx_int_t rc; | |
305 ngx_str_t value; | |
306 ngx_http_perl_ctx_t *ctx; | |
307 ngx_http_perl_main_conf_t *pmcf; | |
308 | |
309 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
310 "perl variable handler"); | |
311 | |
312 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
313 | |
314 if (ctx == NULL) { | |
315 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
316 if (ctx == NULL) { | |
317 return NGX_ERROR; | |
318 } | |
319 | |
320 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
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321 } |
599 | 322 |
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323 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 324 |
325 value.data = NULL; | |
326 | |
327 { | |
328 | |
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329 dTHXa(pmcf->perl); |
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330 PERL_SET_CONTEXT(pmcf->perl); |
599 | 331 |
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332 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
599 | 333 &pv->handler, &value); |
334 | |
335 } | |
336 | |
337 if (value.data) { | |
338 v->len = value.len; | |
339 v->valid = 1; | |
1565 | 340 v->no_cacheable = 0; |
599 | 341 v->not_found = 0; |
342 v->data = value.data; | |
343 | |
344 } else { | |
345 v->not_found = 1; | |
346 } | |
347 | |
633 | 348 ctx->filename.data = NULL; |
599 | 349 ctx->redirect_uri.len = 0; |
350 | |
871 | 351 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
352 "perl variable done"); | |
353 | |
599 | 354 return rc; |
355 } | |
356 | |
357 | |
617 | 358 #if (NGX_HTTP_SSI) |
359 | |
599 | 360 static ngx_int_t |
361 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
362 ngx_str_t **params) | |
363 { | |
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364 SV *sv, **asv; |
599 | 365 ngx_int_t rc; |
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366 ngx_str_t *handler, **args; |
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367 ngx_uint_t i; |
599 | 368 ngx_http_perl_ctx_t *ctx; |
369 ngx_http_perl_main_conf_t *pmcf; | |
370 | |
371 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
372 "perl ssi handler"); | |
373 | |
374 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
375 | |
376 if (ctx == NULL) { | |
377 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
378 if (ctx == NULL) { | |
379 return NGX_ERROR; | |
380 } | |
381 | |
382 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
383 } | |
384 | |
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385 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 386 |
387 ctx->ssi = ssi_ctx; | |
388 | |
389 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
390 handler->data[handler->len] = '\0'; | |
391 | |
392 { | |
393 | |
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394 dTHXa(pmcf->perl); |
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395 PERL_SET_CONTEXT(pmcf->perl); |
599 | 396 |
651 | 397 #if 0 |
398 | |
399 /* the code is disabled to force the precompiled perl code using only */ | |
400 | |
401 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
402 | |
403 if (sv == &PL_sv_undef) { | |
404 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
405 "eval_pv(\"%V\") failed", handler); | |
406 return NGX_ERROR; | |
407 } | |
408 | |
409 if (sv == NULL) { | |
410 sv = newSVpvn((char *) handler->data, handler->len); | |
411 } | |
412 | |
413 #endif | |
414 | |
599 | 415 sv = newSVpvn((char *) handler->data, handler->len); |
416 | |
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417 args = ¶ms[NGX_HTTP_PERL_SSI_ARG]; |
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418 |
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419 if (args) { |
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420 |
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421 for (i = 0; args[i]; i++) { /* void */ } |
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422 |
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423 asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *)); |
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424 |
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425 if (asv == NULL) { |
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426 SvREFCNT_dec(sv); |
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427 return NGX_ERROR; |
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428 } |
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429 |
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430 asv[0] = (SV *) i; |
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431 |
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432 for (i = 0; args[i]; i++) { |
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433 asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len); |
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434 } |
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435 |
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436 } else { |
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437 asv = NULL; |
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438 } |
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439 |
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440 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler, |
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441 NULL); |
599 | 442 |
443 SvREFCNT_dec(sv); | |
444 | |
445 } | |
446 | |
633 | 447 ctx->filename.data = NULL; |
599 | 448 ctx->redirect_uri.len = 0; |
449 ctx->ssi = NULL; | |
450 | |
871 | 451 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
452 | |
599 | 453 return rc; |
454 } | |
455 | |
617 | 456 #endif |
457 | |
599 | 458 |
459 static char * | |
460 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
461 { | |
872
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462 #if (NGX_HAVE_PERL_MULTIPLICITY) |
653 | 463 ngx_pool_cleanup_t *cln; |
599 | 464 |
465 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
466 if (cln == NULL) { | |
467 return NGX_CONF_ERROR; | |
468 } | |
469 | |
649 | 470 #else |
471 static PerlInterpreter *perl; | |
472 #endif | |
473 | |
599 | 474 #ifdef NGX_PERL_MODULES |
475 if (pmcf->modules.data == NULL) { | |
476 pmcf->modules.data = NGX_PERL_MODULES; | |
477 } | |
478 #endif | |
479 | |
639 | 480 if (pmcf->modules.data) { |
1352 | 481 if (ngx_conf_full_name(cf->cycle, &pmcf->modules, 0) != NGX_OK) { |
639 | 482 return NGX_CONF_ERROR; |
483 } | |
629 | 484 } |
485 | |
872
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486 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
649 | 487 |
488 if (perl) { | |
1165 | 489 |
490 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
491 return NGX_CONF_ERROR; | |
492 } | |
493 | |
653 | 494 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
495 != NGX_OK) | |
496 { | |
649 | 497 return NGX_CONF_ERROR; |
498 } | |
499 | |
500 pmcf->perl = perl; | |
1163
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501 pmcf->nginx = nginx_stash; |
649 | 502 |
503 return NGX_CONF_OK; | |
504 } | |
505 | |
506 #endif | |
507 | |
1221
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508 if (nginx_stash == NULL) { |
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509 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
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510 } |
599 | 511 |
1069 | 512 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf); |
599 | 513 |
514 if (pmcf->perl == NULL) { | |
515 return NGX_CONF_ERROR; | |
516 } | |
517 | |
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518 pmcf->nginx = nginx_stash; |
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519 |
872
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520 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 521 |
599 | 522 cln->handler = ngx_http_perl_cleanup_perl; |
523 cln->data = pmcf->perl; | |
524 | |
649 | 525 #else |
526 | |
527 perl = pmcf->perl; | |
528 | |
529 #endif | |
530 | |
599 | 531 return NGX_CONF_OK; |
532 } | |
533 | |
534 | |
535 static PerlInterpreter * | |
1069 | 536 ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
537 ngx_http_perl_main_conf_t *pmcf) | |
599 | 538 { |
539 int n; | |
775 | 540 STRLEN len; |
541 SV *sv; | |
542 char *ver, *embedding[6]; | |
599 | 543 PerlInterpreter *perl; |
544 | |
1069 | 545 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter"); |
546 | |
547 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
548 return NULL; | |
549 } | |
599 | 550 |
551 perl = perl_alloc(); | |
552 if (perl == NULL) { | |
1069 | 553 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed"); |
599 | 554 return NULL; |
555 } | |
556 | |
557 { | |
558 | |
559 dTHXa(perl); | |
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560 PERL_SET_CONTEXT(perl); |
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561 |
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562 perl_construct(perl); |
599 | 563 |
564 #ifdef PERL_EXIT_DESTRUCT_END | |
565 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
566 #endif | |
567 | |
568 embedding[0] = ""; | |
569 | |
570 if (pmcf->modules.data) { | |
571 embedding[1] = "-I"; | |
572 embedding[2] = (char *) pmcf->modules.data; | |
573 n = 3; | |
574 | |
575 } else { | |
576 n = 1; | |
577 } | |
578 | |
579 embedding[n++] = "-Mnginx"; | |
580 embedding[n++] = "-e"; | |
581 embedding[n++] = "0"; | |
582 | |
583 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
584 | |
585 if (n != 0) { | |
1069 | 586 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n); |
599 | 587 goto fail; |
588 } | |
589 | |
775 | 590 sv = get_sv("nginx::VERSION", FALSE); |
591 ver = SvPV(sv, len); | |
592 | |
593 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
1069 | 594 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, |
775 | 595 "version " NGINX_VERSION " of nginx.pm is required, " |
596 "but %s was found", ver); | |
597 goto fail; | |
598 } | |
599 | |
1069 | 600 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) != NGX_OK) { |
649 | 601 goto fail; |
599 | 602 } |
603 | |
604 } | |
605 | |
606 return perl; | |
607 | |
608 fail: | |
609 | |
610 (void) perl_destruct(perl); | |
611 | |
612 perl_free(perl); | |
613 | |
614 return NULL; | |
615 } | |
616 | |
617 | |
649 | 618 static ngx_int_t |
653 | 619 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 620 { |
621 char **script; | |
622 STRLEN len; | |
623 ngx_str_t err; | |
624 ngx_uint_t i; | |
625 | |
626 script = requires->elts; | |
627 for (i = 0; i < requires->nelts; i++) { | |
628 | |
629 require_pv(script[i]); | |
630 | |
631 if (SvTRUE(ERRSV)) { | |
632 | |
633 err.data = (u_char *) SvPV(ERRSV, len); | |
634 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
635 /* void */ | |
636 } | |
637 err.len = len + 1; | |
638 | |
639 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
640 "require_pv(\"%s\") failed: \"%V\"", script[i], &err); | |
641 | |
642 return NGX_ERROR; | |
643 } | |
644 } | |
645 | |
646 return NGX_OK; | |
647 } | |
648 | |
649 | |
599 | 650 static ngx_int_t |
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651 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
1899
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652 SV **args, ngx_str_t *handler, ngx_str_t *rv) |
599 | 653 { |
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654 SV *sv; |
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655 int n, status; |
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656 char *line; |
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657 STRLEN len, n_a; |
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658 ngx_str_t err; |
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659 ngx_uint_t i; |
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660 ngx_connection_t *c; |
599 | 661 |
662 dSP; | |
663 | |
664 status = 0; | |
665 | |
666 ENTER; | |
667 SAVETMPS; | |
668 | |
669 PUSHMARK(sp); | |
670 | |
873
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671 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
599 | 672 XPUSHs(sv); |
673 | |
674 if (args) { | |
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675 EXTEND(sp, (intptr_t) args[0]); |
599 | 676 |
1899
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677 for (i = 1; i <= (ngx_uint_t) args[0]; i++) { |
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678 PUSHs(sv_2mortal(args[i])); |
599 | 679 } |
680 } | |
681 | |
682 PUTBACK; | |
683 | |
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684 c = r->connection; |
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685 |
599 | 686 n = call_sv(sub, G_EVAL); |
687 | |
688 SPAGAIN; | |
689 | |
1702
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690 if (c->destroyed) { |
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691 PUTBACK; |
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692 |
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693 FREETMPS; |
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694 LEAVE; |
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695 |
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696 return NGX_DONE; |
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697 } |
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698 |
599 | 699 if (n) { |
700 if (rv == NULL) { | |
701 status = POPi; | |
702 | |
1702
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703 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
599 | 704 "call_sv: %d", status); |
705 | |
706 } else { | |
619 | 707 line = SvPVx(POPs, n_a); |
599 | 708 rv->len = n_a; |
709 | |
2049 | 710 rv->data = ngx_pnalloc(r->pool, n_a); |
599 | 711 if (rv->data == NULL) { |
712 return NGX_ERROR; | |
713 } | |
714 | |
715 ngx_memcpy(rv->data, line, n_a); | |
716 } | |
717 } | |
718 | |
719 PUTBACK; | |
720 | |
721 FREETMPS; | |
722 LEAVE; | |
723 | |
724 /* check $@ */ | |
725 | |
726 if (SvTRUE(ERRSV)) { | |
727 | |
728 err.data = (u_char *) SvPV(ERRSV, len); | |
729 for (len--; err.data[len] == LF || err.data[len] == CR; len--) { | |
730 /* void */ | |
731 } | |
732 err.len = len + 1; | |
733 | |
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734 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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735 "call_sv(\"%V\") failed: \"%V\"", handler, &err); |
599 | 736 |
737 if (rv) { | |
738 return NGX_ERROR; | |
739 } | |
740 | |
741 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
742 } | |
743 | |
744 if (n != 1) { | |
1702
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745 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
599 | 746 "call_sv(\"%V\") returned %d results", handler, n); |
747 status = NGX_OK; | |
748 } | |
749 | |
750 if (rv) { | |
751 return NGX_OK; | |
752 } | |
753 | |
754 return (ngx_int_t) status; | |
755 } | |
756 | |
757 | |
758 static void | |
759 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
760 { | |
623 | 761 u_char *p; |
762 | |
763 for (p = handler->data; *p; p++) { | |
764 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
765 break; | |
766 } | |
767 } | |
768 | |
649 | 769 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) { |
623 | 770 *sv = eval_pv((char *) p, FALSE); |
874 | 771 |
772 /* eval_pv() does not set ERRSV on failure */ | |
773 | |
599 | 774 return; |
775 } | |
776 | |
777 *sv = NULL; | |
778 } | |
779 | |
780 | |
781 static void * | |
782 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
783 { | |
784 ngx_http_perl_main_conf_t *pmcf; | |
785 | |
786 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
787 if (pmcf == NULL) { | |
788 return NGX_CONF_ERROR; | |
789 } | |
790 | |
791 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
792 != NGX_OK) | |
793 { | |
794 return NULL; | |
795 } | |
796 | |
797 return pmcf; | |
798 } | |
799 | |
800 | |
801 static char * | |
802 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
803 { | |
804 ngx_http_perl_main_conf_t *pmcf = conf; | |
805 | |
806 if (pmcf->perl == NULL) { | |
807 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
808 return NGX_CONF_ERROR; | |
809 } | |
810 } | |
811 | |
812 return NGX_CONF_OK; | |
813 } | |
814 | |
815 | |
872
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816 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 817 |
599 | 818 static void |
819 ngx_http_perl_cleanup_perl(void *data) | |
820 { | |
649 | 821 PerlInterpreter *perl = data; |
599 | 822 |
873
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823 PERL_SET_CONTEXT(perl); |
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824 |
599 | 825 (void) perl_destruct(perl); |
826 | |
827 perl_free(perl); | |
2715 | 828 |
829 if (ngx_perl_term) { | |
830 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, "perl term"); | |
831 | |
832 PERL_SYS_TERM(); | |
833 } | |
599 | 834 } |
835 | |
649 | 836 #endif |
837 | |
838 | |
599 | 839 static ngx_int_t |
840 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
841 { | |
617 | 842 #if (NGX_HTTP_SSI) |
599 | 843 ngx_int_t rc; |
844 ngx_http_ssi_main_conf_t *smcf; | |
845 | |
846 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
847 | |
848 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
849 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
850 | |
851 if (rc != NGX_OK) { | |
852 if (rc == NGX_BUSY) { | |
853 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
854 "conflicting SSI command \"%V\"", | |
855 &ngx_http_perl_ssi_command.name); | |
856 } | |
857 | |
858 return NGX_ERROR; | |
859 } | |
617 | 860 #endif |
599 | 861 |
862 return NGX_OK; | |
863 } | |
864 | |
865 | |
866 static void * | |
867 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
868 { | |
869 ngx_http_perl_loc_conf_t *plcf; | |
870 | |
871 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
872 if (plcf == NULL) { | |
873 return NGX_CONF_ERROR; | |
874 } | |
875 | |
876 /* | |
877 * set by ngx_pcalloc(): | |
878 * | |
879 * plcf->handler = { 0, NULL }; | |
880 */ | |
881 | |
882 return plcf; | |
883 } | |
884 | |
885 | |
886 static char * | |
887 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
888 { | |
889 ngx_http_perl_loc_conf_t *prev = parent; | |
890 ngx_http_perl_loc_conf_t *conf = child; | |
891 | |
892 if (conf->sub == NULL) { | |
893 conf->sub = prev->sub; | |
894 conf->handler = prev->handler; | |
895 } | |
896 | |
897 return NGX_CONF_OK; | |
898 } | |
899 | |
900 | |
901 static char * | |
902 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
903 { | |
904 ngx_http_perl_main_conf_t *pmcf = conf; | |
905 | |
906 u_char **p; | |
907 ngx_str_t *value; | |
908 | |
909 value = cf->args->elts; | |
910 | |
911 p = ngx_array_push(&pmcf->requires); | |
912 | |
913 if (p == NULL) { | |
914 return NGX_CONF_ERROR; | |
915 } | |
916 | |
917 *p = value[1].data; | |
918 | |
919 return NGX_CONF_OK; | |
920 } | |
921 | |
922 | |
923 static char * | |
924 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
925 { | |
926 ngx_http_perl_loc_conf_t *plcf = conf; | |
927 | |
928 ngx_str_t *value; | |
929 ngx_http_core_loc_conf_t *clcf; | |
930 ngx_http_perl_main_conf_t *pmcf; | |
931 | |
932 value = cf->args->elts; | |
933 | |
934 if (plcf->handler.data) { | |
935 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
936 "duplicate perl handler \"%V\"", &value[1]); | |
937 return NGX_CONF_ERROR; | |
938 } | |
939 | |
940 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
941 | |
942 if (pmcf->perl == NULL) { | |
943 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
944 return NGX_CONF_ERROR; | |
945 } | |
946 } | |
947 | |
948 plcf->handler = value[1]; | |
949 | |
950 { | |
951 | |
952 dTHXa(pmcf->perl); | |
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953 PERL_SET_CONTEXT(pmcf->perl); |
599 | 954 |
955 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
956 | |
957 if (plcf->sub == &PL_sv_undef) { | |
958 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
959 "eval_pv(\"%V\") failed", &value[1]); | |
960 return NGX_CONF_ERROR; | |
961 } | |
962 | |
963 if (plcf->sub == NULL) { | |
964 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
965 } | |
966 | |
967 } | |
968 | |
969 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
970 clcf->handler = ngx_http_perl_handler; | |
971 | |
972 return NGX_CONF_OK; | |
973 } | |
974 | |
975 | |
976 static char * | |
977 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
978 { | |
979 ngx_int_t index; | |
980 ngx_str_t *value; | |
981 ngx_http_variable_t *v; | |
982 ngx_http_perl_variable_t *pv; | |
983 ngx_http_perl_main_conf_t *pmcf; | |
984 | |
985 value = cf->args->elts; | |
986 | |
987 if (value[1].data[0] != '$') { | |
988 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
989 "invalid variable name \"%V\"", &value[1]); | |
990 return NGX_CONF_ERROR; | |
991 } | |
992 | |
993 value[1].len--; | |
994 value[1].data++; | |
995 | |
1565 | 996 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE); |
599 | 997 if (v == NULL) { |
998 return NGX_CONF_ERROR; | |
999 } | |
1000 | |
1001 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
1002 if (pv == NULL) { | |
1003 return NGX_CONF_ERROR; | |
1004 } | |
1005 | |
1006 index = ngx_http_get_variable_index(cf, &value[1]); | |
1007 if (index == NGX_ERROR) { | |
1008 return NGX_CONF_ERROR; | |
1009 } | |
1010 | |
1011 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
1012 | |
1013 if (pmcf->perl == NULL) { | |
1014 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
1015 return NGX_CONF_ERROR; | |
1016 } | |
1017 } | |
1018 | |
1019 pv->handler = value[2]; | |
1020 | |
1021 { | |
1022 | |
1023 dTHXa(pmcf->perl); | |
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1024 PERL_SET_CONTEXT(pmcf->perl); |
599 | 1025 |
1026 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
1027 | |
1028 if (pv->sub == &PL_sv_undef) { | |
1029 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1030 "eval_pv(\"%V\") failed", &value[2]); | |
1031 return NGX_CONF_ERROR; | |
1032 } | |
1033 | |
1034 if (pv->sub == NULL) { | |
1035 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
1036 } | |
1037 | |
1038 } | |
1039 | |
637 | 1040 v->get_handler = ngx_http_perl_variable; |
599 | 1041 v->data = (uintptr_t) pv; |
1042 | |
1043 return NGX_CONF_OK; | |
1044 } | |
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1045 |
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1046 |
1257 | 1047 static ngx_int_t |
1048 ngx_http_perl_init_worker(ngx_cycle_t *cycle) | |
1049 { | |
1258
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1050 ngx_http_perl_main_conf_t *pmcf; |
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1051 |
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1052 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
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1053 |
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1054 if (pmcf) { |
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1055 dTHXa(pmcf->perl); |
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1056 PERL_SET_CONTEXT(pmcf->perl); |
1258
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1057 |
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1058 /* set worker's $$ */ |
1257 | 1059 |
2713
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1060 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid); |
1258
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1061 } |
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1062 |
1257 | 1063 return NGX_OK; |
1064 } | |
1065 | |
1941 | 1066 |
1221
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1067 static void |
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1068 ngx_http_perl_exit(ngx_cycle_t *cycle) |
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1069 { |
2715 | 1070 #if (NGX_HAVE_PERL_MULTIPLICITY) |
1071 | |
1072 ngx_perl_term = 1; | |
1073 | |
1074 #else | |
1946
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1075 ngx_http_perl_main_conf_t *pmcf; |
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1076 |
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1077 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
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1078 |
2715 | 1079 if (pmcf && nginx_stash) { |
1080 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cycle->log, 0, "perl term"); | |
1081 | |
1082 (void) perl_destruct(pmcf->perl); | |
1083 | |
1084 perl_free(pmcf->perl); | |
1946
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1085 |
2714
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1086 PERL_SYS_TERM(); |
1946
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1087 } |
2715 | 1088 |
1089 #endif | |
1221
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1090 } |