Mercurial > hg > nginx
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 } |