Mercurial > hg > nginx
annotate src/http/modules/perl/ngx_http_perl_module.c @ 3173:008a3462e1d0
optimize error handling
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 28 Sep 2009 15:57:28 +0000 |
parents | 6cb238e091a9 |
children | 479fd46cd1c4 |
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 if (r->zero_in_uri) { |
179 return NGX_HTTP_NOT_FOUND; | |
180 } | |
181 | |
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182 r->main->count++; |
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183 |
681 | 184 ngx_http_perl_handle_request(r); |
185 | |
186 return NGX_DONE; | |
629 | 187 } |
188 | |
189 | |
681 | 190 void |
629 | 191 ngx_http_perl_handle_request(ngx_http_request_t *r) |
192 { | |
681 | 193 SV *sub; |
599 | 194 ngx_int_t rc; |
681 | 195 ngx_str_t uri, args, *handler; |
599 | 196 ngx_http_perl_ctx_t *ctx; |
197 ngx_http_perl_loc_conf_t *plcf; | |
198 ngx_http_perl_main_conf_t *pmcf; | |
199 | |
200 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); | |
201 | |
202 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
203 | |
204 if (ctx == NULL) { | |
205 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
206 if (ctx == NULL) { | |
681 | 207 ngx_http_finalize_request(r, NGX_ERROR); |
1025 | 208 return; |
599 | 209 } |
210 | |
211 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
212 } | |
213 | |
214 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); | |
215 | |
216 { | |
217 | |
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218 dTHXa(pmcf->perl); |
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219 PERL_SET_CONTEXT(pmcf->perl); |
599 | 220 |
681 | 221 if (ctx->next == NULL) { |
222 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); | |
223 sub = plcf->sub; | |
224 handler = &plcf->handler; | |
599 | 225 |
681 | 226 } else { |
227 sub = ctx->next; | |
228 handler = &ngx_null_name; | |
229 ctx->next = NULL; | |
230 } | |
231 | |
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232 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, |
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233 NULL); |
599 | 234 |
235 } | |
236 | |
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237 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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238 "perl handler done: %i", rc); |
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239 |
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240 if (rc == NGX_DONE) { |
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241 ngx_http_finalize_request(r, rc); |
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242 return; |
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243 } |
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244 |
599 | 245 if (rc > 600) { |
246 rc = NGX_OK; | |
247 } | |
248 | |
249 if (ctx->redirect_uri.len) { | |
250 uri = ctx->redirect_uri; | |
251 args = ctx->redirect_args; | |
629 | 252 |
253 } else { | |
254 uri.len = 0; | |
599 | 255 } |
256 | |
633 | 257 ctx->filename.data = NULL; |
599 | 258 ctx->redirect_uri.len = 0; |
259 | |
681 | 260 if (ctx->done || ctx->next) { |
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261 ngx_http_finalize_request(r, NGX_DONE); |
681 | 262 return; |
263 } | |
264 | |
599 | 265 if (uri.len) { |
629 | 266 ngx_http_internal_redirect(r, &uri, &args); |
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267 ngx_http_finalize_request(r, NGX_DONE); |
629 | 268 return; |
599 | 269 } |
270 | |
271 if (rc == NGX_OK || rc == NGX_HTTP_OK) { | |
629 | 272 ngx_http_send_special(r, NGX_HTTP_LAST); |
681 | 273 ctx->done = 1; |
599 | 274 } |
275 | |
629 | 276 ngx_http_finalize_request(r, rc); |
599 | 277 } |
278 | |
279 | |
1897 | 280 void |
911 | 281 ngx_http_perl_sleep_handler(ngx_http_request_t *r) |
282 { | |
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283 ngx_event_t *wev; |
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284 |
911 | 285 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
286 "perl sleep handler"); | |
287 | |
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288 wev = r->connection->write; |
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289 |
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290 if (wev->timedout) { |
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291 wev->timedout = 0; |
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292 ngx_http_perl_handle_request(r); |
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293 return; |
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294 } |
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295 |
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296 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
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297 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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298 } |
911 | 299 } |
300 | |
301 | |
599 | 302 static ngx_int_t |
303 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
304 uintptr_t data) | |
305 { | |
306 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; | |
307 | |
308 ngx_int_t rc; | |
309 ngx_str_t value; | |
310 ngx_http_perl_ctx_t *ctx; | |
311 ngx_http_perl_main_conf_t *pmcf; | |
312 | |
313 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
314 "perl variable handler"); | |
315 | |
316 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
317 | |
318 if (ctx == NULL) { | |
319 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
320 if (ctx == NULL) { | |
321 return NGX_ERROR; | |
322 } | |
323 | |
324 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
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325 } |
599 | 326 |
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327 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 328 |
329 value.data = NULL; | |
330 | |
331 { | |
332 | |
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333 dTHXa(pmcf->perl); |
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334 PERL_SET_CONTEXT(pmcf->perl); |
599 | 335 |
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336 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, |
599 | 337 &pv->handler, &value); |
338 | |
339 } | |
340 | |
341 if (value.data) { | |
342 v->len = value.len; | |
343 v->valid = 1; | |
1565 | 344 v->no_cacheable = 0; |
599 | 345 v->not_found = 0; |
346 v->data = value.data; | |
347 | |
348 } else { | |
349 v->not_found = 1; | |
350 } | |
351 | |
633 | 352 ctx->filename.data = NULL; |
599 | 353 ctx->redirect_uri.len = 0; |
354 | |
871 | 355 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
356 "perl variable done"); | |
357 | |
599 | 358 return rc; |
359 } | |
360 | |
361 | |
617 | 362 #if (NGX_HTTP_SSI) |
363 | |
599 | 364 static ngx_int_t |
365 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, | |
366 ngx_str_t **params) | |
367 { | |
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368 SV *sv, **asv; |
599 | 369 ngx_int_t rc; |
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370 ngx_str_t *handler, **args; |
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371 ngx_uint_t i; |
599 | 372 ngx_http_perl_ctx_t *ctx; |
373 ngx_http_perl_main_conf_t *pmcf; | |
374 | |
375 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
376 "perl ssi handler"); | |
377 | |
378 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); | |
379 | |
380 if (ctx == NULL) { | |
381 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); | |
382 if (ctx == NULL) { | |
383 return NGX_ERROR; | |
384 } | |
385 | |
386 ngx_http_set_ctx(r, ctx, ngx_http_perl_module); | |
387 } | |
388 | |
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389 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); |
599 | 390 |
391 ctx->ssi = ssi_ctx; | |
392 | |
393 handler = params[NGX_HTTP_PERL_SSI_SUB]; | |
394 handler->data[handler->len] = '\0'; | |
395 | |
396 { | |
397 | |
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398 dTHXa(pmcf->perl); |
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399 PERL_SET_CONTEXT(pmcf->perl); |
599 | 400 |
651 | 401 #if 0 |
402 | |
403 /* the code is disabled to force the precompiled perl code using only */ | |
404 | |
405 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); | |
406 | |
407 if (sv == &PL_sv_undef) { | |
408 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
409 "eval_pv(\"%V\") failed", handler); | |
410 return NGX_ERROR; | |
411 } | |
412 | |
413 if (sv == NULL) { | |
414 sv = newSVpvn((char *) handler->data, handler->len); | |
415 } | |
416 | |
417 #endif | |
418 | |
599 | 419 sv = newSVpvn((char *) handler->data, handler->len); |
420 | |
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421 args = ¶ms[NGX_HTTP_PERL_SSI_ARG]; |
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422 |
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423 if (args) { |
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424 |
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425 for (i = 0; args[i]; i++) { /* void */ } |
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426 |
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427 asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *)); |
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428 |
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429 if (asv == NULL) { |
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430 SvREFCNT_dec(sv); |
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431 return NGX_ERROR; |
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432 } |
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433 |
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434 asv[0] = (SV *) i; |
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435 |
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436 for (i = 0; args[i]; i++) { |
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437 asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len); |
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438 } |
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439 |
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440 } else { |
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441 asv = NULL; |
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442 } |
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443 |
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444 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler, |
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445 NULL); |
599 | 446 |
447 SvREFCNT_dec(sv); | |
448 | |
449 } | |
450 | |
633 | 451 ctx->filename.data = NULL; |
599 | 452 ctx->redirect_uri.len = 0; |
453 ctx->ssi = NULL; | |
454 | |
871 | 455 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); |
456 | |
599 | 457 return rc; |
458 } | |
459 | |
617 | 460 #endif |
461 | |
599 | 462 |
463 static char * | |
464 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) | |
465 { | |
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466 #if (NGX_HAVE_PERL_MULTIPLICITY) |
653 | 467 ngx_pool_cleanup_t *cln; |
599 | 468 |
469 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
470 if (cln == NULL) { | |
471 return NGX_CONF_ERROR; | |
472 } | |
473 | |
649 | 474 #else |
475 static PerlInterpreter *perl; | |
476 #endif | |
477 | |
599 | 478 #ifdef NGX_PERL_MODULES |
479 if (pmcf->modules.data == NULL) { | |
480 pmcf->modules.data = NGX_PERL_MODULES; | |
481 } | |
482 #endif | |
483 | |
639 | 484 if (pmcf->modules.data) { |
1352 | 485 if (ngx_conf_full_name(cf->cycle, &pmcf->modules, 0) != NGX_OK) { |
639 | 486 return NGX_CONF_ERROR; |
487 } | |
629 | 488 } |
489 | |
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490 #if !(NGX_HAVE_PERL_MULTIPLICITY) |
649 | 491 |
492 if (perl) { | |
1165 | 493 |
494 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
495 return NGX_CONF_ERROR; | |
496 } | |
497 | |
653 | 498 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) |
499 != NGX_OK) | |
500 { | |
649 | 501 return NGX_CONF_ERROR; |
502 } | |
503 | |
504 pmcf->perl = perl; | |
1163
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505 pmcf->nginx = nginx_stash; |
649 | 506 |
507 return NGX_CONF_OK; | |
508 } | |
509 | |
510 #endif | |
511 | |
1221
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512 if (nginx_stash == NULL) { |
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513 PERL_SYS_INIT(&ngx_argc, &ngx_argv); |
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514 } |
599 | 515 |
1069 | 516 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf); |
599 | 517 |
518 if (pmcf->perl == NULL) { | |
519 return NGX_CONF_ERROR; | |
520 } | |
521 | |
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522 pmcf->nginx = nginx_stash; |
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523 |
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524 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 525 |
599 | 526 cln->handler = ngx_http_perl_cleanup_perl; |
527 cln->data = pmcf->perl; | |
528 | |
649 | 529 #else |
530 | |
531 perl = pmcf->perl; | |
532 | |
533 #endif | |
534 | |
599 | 535 return NGX_CONF_OK; |
536 } | |
537 | |
538 | |
539 static PerlInterpreter * | |
1069 | 540 ngx_http_perl_create_interpreter(ngx_conf_t *cf, |
541 ngx_http_perl_main_conf_t *pmcf) | |
599 | 542 { |
543 int n; | |
775 | 544 STRLEN len; |
545 SV *sv; | |
546 char *ver, *embedding[6]; | |
599 | 547 PerlInterpreter *perl; |
548 | |
1069 | 549 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter"); |
550 | |
551 if (ngx_set_environment(cf->cycle, NULL) == NULL) { | |
552 return NULL; | |
553 } | |
599 | 554 |
555 perl = perl_alloc(); | |
556 if (perl == NULL) { | |
1069 | 557 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed"); |
599 | 558 return NULL; |
559 } | |
560 | |
561 { | |
562 | |
563 dTHXa(perl); | |
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564 PERL_SET_CONTEXT(perl); |
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565 |
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566 perl_construct(perl); |
599 | 567 |
568 #ifdef PERL_EXIT_DESTRUCT_END | |
569 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; | |
570 #endif | |
571 | |
572 embedding[0] = ""; | |
573 | |
574 if (pmcf->modules.data) { | |
575 embedding[1] = "-I"; | |
576 embedding[2] = (char *) pmcf->modules.data; | |
577 n = 3; | |
578 | |
579 } else { | |
580 n = 1; | |
581 } | |
582 | |
583 embedding[n++] = "-Mnginx"; | |
584 embedding[n++] = "-e"; | |
585 embedding[n++] = "0"; | |
586 | |
587 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); | |
588 | |
589 if (n != 0) { | |
1069 | 590 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n); |
599 | 591 goto fail; |
592 } | |
593 | |
775 | 594 sv = get_sv("nginx::VERSION", FALSE); |
595 ver = SvPV(sv, len); | |
596 | |
597 if (ngx_strcmp(ver, NGINX_VERSION) != 0) { | |
1069 | 598 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, |
775 | 599 "version " NGINX_VERSION " of nginx.pm is required, " |
600 "but %s was found", ver); | |
601 goto fail; | |
602 } | |
603 | |
1069 | 604 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) != NGX_OK) { |
649 | 605 goto fail; |
599 | 606 } |
607 | |
608 } | |
609 | |
610 return perl; | |
611 | |
612 fail: | |
613 | |
614 (void) perl_destruct(perl); | |
615 | |
616 perl_free(perl); | |
617 | |
618 return NULL; | |
619 } | |
620 | |
621 | |
649 | 622 static ngx_int_t |
653 | 623 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) |
649 | 624 { |
625 char **script; | |
3173 | 626 u_char *err; |
649 | 627 STRLEN len; |
628 ngx_uint_t i; | |
629 | |
630 script = requires->elts; | |
631 for (i = 0; i < requires->nelts; i++) { | |
632 | |
633 require_pv(script[i]); | |
634 | |
635 if (SvTRUE(ERRSV)) { | |
636 | |
3173 | 637 err = (u_char *) SvPV(ERRSV, len); |
638 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ } | |
649 | 639 |
640 ngx_log_error(NGX_LOG_EMERG, log, 0, | |
3173 | 641 "require_pv(\"%s\") failed: \"%*s\"", |
642 script[i], len + 1, err); | |
649 | 643 |
644 return NGX_ERROR; | |
645 } | |
646 } | |
647 | |
648 return NGX_OK; | |
649 } | |
650 | |
651 | |
599 | 652 static ngx_int_t |
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653 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, |
1899
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654 SV **args, ngx_str_t *handler, ngx_str_t *rv) |
599 | 655 { |
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656 SV *sv; |
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657 int n, status; |
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658 char *line; |
3173 | 659 u_char *err; |
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660 STRLEN len, n_a; |
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661 ngx_uint_t i; |
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662 ngx_connection_t *c; |
599 | 663 |
664 dSP; | |
665 | |
666 status = 0; | |
667 | |
668 ENTER; | |
669 SAVETMPS; | |
670 | |
671 PUSHMARK(sp); | |
672 | |
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673 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); |
599 | 674 XPUSHs(sv); |
675 | |
676 if (args) { | |
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677 EXTEND(sp, (intptr_t) args[0]); |
599 | 678 |
1899
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679 for (i = 1; i <= (ngx_uint_t) args[0]; i++) { |
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680 PUSHs(sv_2mortal(args[i])); |
599 | 681 } |
682 } | |
683 | |
684 PUTBACK; | |
685 | |
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686 c = r->connection; |
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687 |
599 | 688 n = call_sv(sub, G_EVAL); |
689 | |
690 SPAGAIN; | |
691 | |
692 if (n) { | |
693 if (rv == NULL) { | |
694 status = POPi; | |
695 | |
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696 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
599 | 697 "call_sv: %d", status); |
698 | |
699 } else { | |
619 | 700 line = SvPVx(POPs, n_a); |
599 | 701 rv->len = n_a; |
702 | |
2049 | 703 rv->data = ngx_pnalloc(r->pool, n_a); |
599 | 704 if (rv->data == NULL) { |
705 return NGX_ERROR; | |
706 } | |
707 | |
708 ngx_memcpy(rv->data, line, n_a); | |
709 } | |
710 } | |
711 | |
712 PUTBACK; | |
713 | |
714 FREETMPS; | |
715 LEAVE; | |
716 | |
717 /* check $@ */ | |
718 | |
719 if (SvTRUE(ERRSV)) { | |
720 | |
3173 | 721 err = (u_char *) SvPV(ERRSV, len); |
722 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ } | |
599 | 723 |
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724 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
3173 | 725 "call_sv(\"%V\") failed: \"%*s\"", handler, len + 1, err); |
599 | 726 |
727 if (rv) { | |
728 return NGX_ERROR; | |
729 } | |
730 | |
731 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
732 } | |
733 | |
734 if (n != 1) { | |
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735 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
599 | 736 "call_sv(\"%V\") returned %d results", handler, n); |
737 status = NGX_OK; | |
738 } | |
739 | |
740 if (rv) { | |
741 return NGX_OK; | |
742 } | |
743 | |
744 return (ngx_int_t) status; | |
745 } | |
746 | |
747 | |
748 static void | |
749 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) | |
750 { | |
623 | 751 u_char *p; |
752 | |
753 for (p = handler->data; *p; p++) { | |
754 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { | |
755 break; | |
756 } | |
757 } | |
758 | |
3132 | 759 if (ngx_strncmp(p, "sub ", 4) == 0 |
760 || ngx_strncmp(p, "sub{", 4) == 0 | |
761 || ngx_strncmp(p, "use ", 4) == 0) | |
762 { | |
623 | 763 *sv = eval_pv((char *) p, FALSE); |
874 | 764 |
765 /* eval_pv() does not set ERRSV on failure */ | |
766 | |
599 | 767 return; |
768 } | |
769 | |
770 *sv = NULL; | |
771 } | |
772 | |
773 | |
774 static void * | |
775 ngx_http_perl_create_main_conf(ngx_conf_t *cf) | |
776 { | |
777 ngx_http_perl_main_conf_t *pmcf; | |
778 | |
779 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); | |
780 if (pmcf == NULL) { | |
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781 return NULL; |
599 | 782 } |
783 | |
784 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *)) | |
785 != NGX_OK) | |
786 { | |
787 return NULL; | |
788 } | |
789 | |
790 return pmcf; | |
791 } | |
792 | |
793 | |
794 static char * | |
795 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) | |
796 { | |
797 ngx_http_perl_main_conf_t *pmcf = conf; | |
798 | |
799 if (pmcf->perl == NULL) { | |
800 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
801 return NGX_CONF_ERROR; | |
802 } | |
803 } | |
804 | |
805 return NGX_CONF_OK; | |
806 } | |
807 | |
808 | |
872
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809 #if (NGX_HAVE_PERL_MULTIPLICITY) |
649 | 810 |
599 | 811 static void |
812 ngx_http_perl_cleanup_perl(void *data) | |
813 { | |
649 | 814 PerlInterpreter *perl = data; |
599 | 815 |
873
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816 PERL_SET_CONTEXT(perl); |
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817 |
599 | 818 (void) perl_destruct(perl); |
819 | |
820 perl_free(perl); | |
2715 | 821 |
822 if (ngx_perl_term) { | |
823 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, "perl term"); | |
824 | |
825 PERL_SYS_TERM(); | |
826 } | |
599 | 827 } |
828 | |
649 | 829 #endif |
830 | |
831 | |
599 | 832 static ngx_int_t |
833 ngx_http_perl_preconfiguration(ngx_conf_t *cf) | |
834 { | |
617 | 835 #if (NGX_HTTP_SSI) |
599 | 836 ngx_int_t rc; |
837 ngx_http_ssi_main_conf_t *smcf; | |
838 | |
839 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); | |
840 | |
841 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, | |
842 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); | |
843 | |
844 if (rc != NGX_OK) { | |
845 if (rc == NGX_BUSY) { | |
846 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
847 "conflicting SSI command \"%V\"", | |
848 &ngx_http_perl_ssi_command.name); | |
849 } | |
850 | |
851 return NGX_ERROR; | |
852 } | |
617 | 853 #endif |
599 | 854 |
855 return NGX_OK; | |
856 } | |
857 | |
858 | |
859 static void * | |
860 ngx_http_perl_create_loc_conf(ngx_conf_t *cf) | |
861 { | |
862 ngx_http_perl_loc_conf_t *plcf; | |
863 | |
864 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); | |
865 if (plcf == NULL) { | |
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866 return NULL; |
599 | 867 } |
868 | |
869 /* | |
870 * set by ngx_pcalloc(): | |
871 * | |
872 * plcf->handler = { 0, NULL }; | |
873 */ | |
874 | |
875 return plcf; | |
876 } | |
877 | |
878 | |
879 static char * | |
880 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
881 { | |
882 ngx_http_perl_loc_conf_t *prev = parent; | |
883 ngx_http_perl_loc_conf_t *conf = child; | |
884 | |
885 if (conf->sub == NULL) { | |
886 conf->sub = prev->sub; | |
887 conf->handler = prev->handler; | |
888 } | |
889 | |
890 return NGX_CONF_OK; | |
891 } | |
892 | |
893 | |
894 static char * | |
895 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
896 { | |
897 ngx_http_perl_main_conf_t *pmcf = conf; | |
898 | |
899 u_char **p; | |
900 ngx_str_t *value; | |
901 | |
902 value = cf->args->elts; | |
903 | |
904 p = ngx_array_push(&pmcf->requires); | |
905 | |
906 if (p == NULL) { | |
907 return NGX_CONF_ERROR; | |
908 } | |
909 | |
910 *p = value[1].data; | |
911 | |
912 return NGX_CONF_OK; | |
913 } | |
914 | |
915 | |
916 static char * | |
917 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
918 { | |
919 ngx_http_perl_loc_conf_t *plcf = conf; | |
920 | |
921 ngx_str_t *value; | |
922 ngx_http_core_loc_conf_t *clcf; | |
923 ngx_http_perl_main_conf_t *pmcf; | |
924 | |
925 value = cf->args->elts; | |
926 | |
927 if (plcf->handler.data) { | |
928 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
929 "duplicate perl handler \"%V\"", &value[1]); | |
930 return NGX_CONF_ERROR; | |
931 } | |
932 | |
933 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
934 | |
935 if (pmcf->perl == NULL) { | |
936 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
937 return NGX_CONF_ERROR; | |
938 } | |
939 } | |
940 | |
941 plcf->handler = value[1]; | |
942 | |
943 { | |
944 | |
945 dTHXa(pmcf->perl); | |
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946 PERL_SET_CONTEXT(pmcf->perl); |
599 | 947 |
948 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); | |
949 | |
950 if (plcf->sub == &PL_sv_undef) { | |
951 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
952 "eval_pv(\"%V\") failed", &value[1]); | |
953 return NGX_CONF_ERROR; | |
954 } | |
955 | |
956 if (plcf->sub == NULL) { | |
957 plcf->sub = newSVpvn((char *) value[1].data, value[1].len); | |
958 } | |
959 | |
960 } | |
961 | |
962 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
963 clcf->handler = ngx_http_perl_handler; | |
964 | |
965 return NGX_CONF_OK; | |
966 } | |
967 | |
968 | |
969 static char * | |
970 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
971 { | |
972 ngx_int_t index; | |
973 ngx_str_t *value; | |
974 ngx_http_variable_t *v; | |
975 ngx_http_perl_variable_t *pv; | |
976 ngx_http_perl_main_conf_t *pmcf; | |
977 | |
978 value = cf->args->elts; | |
979 | |
980 if (value[1].data[0] != '$') { | |
981 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
982 "invalid variable name \"%V\"", &value[1]); | |
983 return NGX_CONF_ERROR; | |
984 } | |
985 | |
986 value[1].len--; | |
987 value[1].data++; | |
988 | |
1565 | 989 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE); |
599 | 990 if (v == NULL) { |
991 return NGX_CONF_ERROR; | |
992 } | |
993 | |
994 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); | |
995 if (pv == NULL) { | |
996 return NGX_CONF_ERROR; | |
997 } | |
998 | |
999 index = ngx_http_get_variable_index(cf, &value[1]); | |
1000 if (index == NGX_ERROR) { | |
1001 return NGX_CONF_ERROR; | |
1002 } | |
1003 | |
1004 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); | |
1005 | |
1006 if (pmcf->perl == NULL) { | |
1007 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { | |
1008 return NGX_CONF_ERROR; | |
1009 } | |
1010 } | |
1011 | |
1012 pv->handler = value[2]; | |
1013 | |
1014 { | |
1015 | |
1016 dTHXa(pmcf->perl); | |
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1017 PERL_SET_CONTEXT(pmcf->perl); |
599 | 1018 |
1019 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); | |
1020 | |
1021 if (pv->sub == &PL_sv_undef) { | |
1022 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1023 "eval_pv(\"%V\") failed", &value[2]); | |
1024 return NGX_CONF_ERROR; | |
1025 } | |
1026 | |
1027 if (pv->sub == NULL) { | |
1028 pv->sub = newSVpvn((char *) value[2].data, value[2].len); | |
1029 } | |
1030 | |
1031 } | |
1032 | |
637 | 1033 v->get_handler = ngx_http_perl_variable; |
599 | 1034 v->data = (uintptr_t) pv; |
1035 | |
1036 return NGX_CONF_OK; | |
1037 } | |
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1038 |
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1039 |
1257 | 1040 static ngx_int_t |
1041 ngx_http_perl_init_worker(ngx_cycle_t *cycle) | |
1042 { | |
1258
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1043 ngx_http_perl_main_conf_t *pmcf; |
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1044 |
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1045 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
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1046 |
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1047 if (pmcf) { |
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1048 dTHXa(pmcf->perl); |
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1049 PERL_SET_CONTEXT(pmcf->perl); |
1258
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1050 |
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1051 /* set worker's $$ */ |
1257 | 1052 |
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1053 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid); |
1258
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1054 } |
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1055 |
1257 | 1056 return NGX_OK; |
1057 } | |
1058 | |
1941 | 1059 |
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1060 static void |
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1061 ngx_http_perl_exit(ngx_cycle_t *cycle) |
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1062 { |
2715 | 1063 #if (NGX_HAVE_PERL_MULTIPLICITY) |
1064 | |
1065 ngx_perl_term = 1; | |
1066 | |
1067 #else | |
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1068 ngx_http_perl_main_conf_t *pmcf; |
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1069 |
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1070 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); |
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1071 |
2715 | 1072 if (pmcf && nginx_stash) { |
1073 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cycle->log, 0, "perl term"); | |
1074 | |
1075 (void) perl_destruct(pmcf->perl); | |
1076 | |
1077 perl_free(pmcf->perl); | |
1946
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1078 |
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1079 PERL_SYS_TERM(); |
1946
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1080 } |
2715 | 1081 |
1082 #endif | |
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1083 } |