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1.1 misho 1:
2: /*
3: * Copyright (C) Igor Sysoev
4: * Copyright (C) Nginx, Inc.
5: */
6:
7:
8: #define PERL_NO_GET_CONTEXT
9:
10: #include <ngx_config.h>
11: #include <ngx_core.h>
12: #include <ngx_http.h>
13: #include <ngx_http_perl_module.h>
14:
15: #include "XSUB.h"
16:
17:
18: #define ngx_http_perl_set_request(r) \
19: r = INT2PTR(ngx_http_request_t *, SvIV((SV *) SvRV(ST(0))))
20:
21:
22: #define ngx_http_perl_set_targ(p, len) \
23: \
24: SvUPGRADE(TARG, SVt_PV); \
25: SvPOK_on(TARG); \
26: sv_setpvn(TARG, (char *) p, len)
27:
28:
29: static ngx_int_t
30: ngx_http_perl_sv2str(pTHX_ ngx_http_request_t *r, ngx_str_t *s, SV *sv)
31: {
32: u_char *p;
33: STRLEN len;
34:
35: if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
36: sv = SvRV(sv);
37: }
38:
39: p = (u_char *) SvPV(sv, len);
40:
41: s->len = len;
42:
43: if (SvREADONLY(sv) && SvPOK(sv)) {
44: s->data = p;
45:
46: ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
47: "perl sv2str: %08XD \"%V\"", sv->sv_flags, s);
48:
49: return NGX_OK;
50: }
51:
52: s->data = ngx_pnalloc(r->pool, len);
53: if (s->data == NULL) {
54: return NGX_ERROR;
55: }
56:
57: ngx_memcpy(s->data, p, len);
58:
59: ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
60: "perl sv2str: %08XD \"%V\"", sv->sv_flags, s);
61:
62: return NGX_OK;
63: }
64:
65:
66: static ngx_int_t
67: ngx_http_perl_output(ngx_http_request_t *r, ngx_buf_t *b)
68: {
69: ngx_chain_t out;
70: #if (NGX_HTTP_SSI)
71: ngx_chain_t *cl;
72: ngx_http_perl_ctx_t *ctx;
73:
74: ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
75:
76: if (ctx->ssi) {
77: cl = ngx_alloc_chain_link(r->pool);
78: if (cl == NULL) {
79: return NGX_ERROR;
80: }
81:
82: cl->buf = b;
83: cl->next = NULL;
84: *ctx->ssi->last_out = cl;
85: ctx->ssi->last_out = &cl->next;
86:
87: return NGX_OK;
88: }
89: #endif
90:
91: out.buf = b;
92: out.next = NULL;
93:
94: return ngx_http_output_filter(r, &out);
95: }
96:
97:
98: MODULE = nginx PACKAGE = nginx
99:
100:
101: void
102: status(r, code)
103: CODE:
104:
105: ngx_http_request_t *r;
106:
107: ngx_http_perl_set_request(r);
108:
109: r->headers_out.status = SvIV(ST(1));
110:
111: ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
112: "perl status: %d", r->headers_out.status);
113:
114: XSRETURN_UNDEF;
115:
116:
117: void
118: send_http_header(r, ...)
119: CODE:
120:
121: ngx_http_request_t *r;
122: SV *sv;
123:
124: ngx_http_perl_set_request(r);
125:
126: if (r->headers_out.status == 0) {
127: r->headers_out.status = NGX_HTTP_OK;
128: }
129:
130: if (items != 1) {
131: sv = ST(1);
132:
133: if (ngx_http_perl_sv2str(aTHX_ r, &r->headers_out.content_type, sv)
134: != NGX_OK)
135: {
136: XSRETURN_EMPTY;
137: }
138:
139: r->headers_out.content_type_len = r->headers_out.content_type.len;
140:
141: } else {
142: if (ngx_http_set_content_type(r) != NGX_OK) {
143: XSRETURN_EMPTY;
144: }
145: }
146:
147: (void) ngx_http_send_header(r);
148:
149:
150: void
151: header_only(r)
152: CODE:
153:
154: dXSTARG;
155: ngx_http_request_t *r;
156:
157: ngx_http_perl_set_request(r);
158:
159: sv_upgrade(TARG, SVt_IV);
160: sv_setiv(TARG, r->header_only);
161:
162: ST(0) = TARG;
163:
164:
165: void
166: uri(r)
167: CODE:
168:
169: dXSTARG;
170: ngx_http_request_t *r;
171:
172: ngx_http_perl_set_request(r);
173: ngx_http_perl_set_targ(r->uri.data, r->uri.len);
174:
175: ST(0) = TARG;
176:
177:
178: void
179: args(r)
180: CODE:
181:
182: dXSTARG;
183: ngx_http_request_t *r;
184:
185: ngx_http_perl_set_request(r);
186: ngx_http_perl_set_targ(r->args.data, r->args.len);
187:
188: ST(0) = TARG;
189:
190:
191: void
192: request_method(r)
193: CODE:
194:
195: dXSTARG;
196: ngx_http_request_t *r;
197:
198: ngx_http_perl_set_request(r);
199: ngx_http_perl_set_targ(r->method_name.data, r->method_name.len);
200:
201: ST(0) = TARG;
202:
203:
204: void
205: remote_addr(r)
206: CODE:
207:
208: dXSTARG;
209: ngx_http_request_t *r;
210:
211: ngx_http_perl_set_request(r);
212: ngx_http_perl_set_targ(r->connection->addr_text.data,
213: r->connection->addr_text.len);
214:
215: ST(0) = TARG;
216:
217:
218: void
219: header_in(r, key)
220: CODE:
221:
222: dXSTARG;
223: ngx_http_request_t *r;
224: SV *key;
225: u_char *p, *lowcase_key, *value, sep;
226: STRLEN len;
227: ssize_t size;
228: ngx_uint_t i, n, hash;
229: ngx_array_t *a;
230: ngx_list_part_t *part;
231: ngx_table_elt_t *h, **ph;
232: ngx_http_header_t *hh;
233: ngx_http_core_main_conf_t *cmcf;
234:
235: ngx_http_perl_set_request(r);
236:
237: key = ST(1);
238:
239: if (SvROK(key) && SvTYPE(SvRV(key)) == SVt_PV) {
240: key = SvRV(key);
241: }
242:
243: p = (u_char *) SvPV(key, len);
244:
245: /* look up hashed headers */
246:
247: lowcase_key = ngx_pnalloc(r->pool, len);
248: if (lowcase_key == NULL) {
249: XSRETURN_UNDEF;
250: }
251:
252: hash = ngx_hash_strlow(lowcase_key, p, len);
253:
254: cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
255:
256: hh = ngx_hash_find(&cmcf->headers_in_hash, hash, lowcase_key, len);
257:
258: if (hh) {
259:
260: if (hh->offset == offsetof(ngx_http_headers_in_t, cookies)) {
261: sep = ';';
262: goto multi;
263: }
264:
265: #if (NGX_HTTP_X_FORWARDED_FOR)
266: if (hh->offset == offsetof(ngx_http_headers_in_t, x_forwarded_for)) {
267: sep = ',';
268: goto multi;
269: }
270: #endif
271:
272: if (hh->offset) {
273:
274: ph = (ngx_table_elt_t **) ((char *) &r->headers_in + hh->offset);
275:
276: if (*ph) {
277: ngx_http_perl_set_targ((*ph)->value.data, (*ph)->value.len);
278:
279: goto done;
280: }
281:
282: XSRETURN_UNDEF;
283: }
284:
285: multi:
286:
287: /* Cookie, X-Forwarded-For */
288:
289: a = (ngx_array_t *) ((char *) &r->headers_in + hh->offset);
290:
291: n = a->nelts;
292:
293: if (n == 0) {
294: XSRETURN_UNDEF;
295: }
296:
297: ph = a->elts;
298:
299: if (n == 1) {
300: ngx_http_perl_set_targ((*ph)->value.data, (*ph)->value.len);
301:
302: goto done;
303: }
304:
305: size = - (ssize_t) (sizeof("; ") - 1);
306:
307: for (i = 0; i < n; i++) {
308: size += ph[i]->value.len + sizeof("; ") - 1;
309: }
310:
311: value = ngx_pnalloc(r->pool, size);
312: if (value == NULL) {
313: XSRETURN_UNDEF;
314: }
315:
316: p = value;
317:
318: for (i = 0; /* void */ ; i++) {
319: p = ngx_copy(p, ph[i]->value.data, ph[i]->value.len);
320:
321: if (i == n - 1) {
322: break;
323: }
324:
325: *p++ = sep; *p++ = ' ';
326: }
327:
328: ngx_http_perl_set_targ(value, size);
329:
330: goto done;
331: }
332:
333: /* iterate over all headers */
334:
335: part = &r->headers_in.headers.part;
336: h = part->elts;
337:
338: for (i = 0; /* void */ ; i++) {
339:
340: if (i >= part->nelts) {
341: if (part->next == NULL) {
342: break;
343: }
344:
345: part = part->next;
346: h = part->elts;
347: i = 0;
348: }
349:
350: if (len != h[i].key.len
351: || ngx_strcasecmp(p, h[i].key.data) != 0)
352: {
353: continue;
354: }
355:
356: ngx_http_perl_set_targ(h[i].value.data, h[i].value.len);
357:
358: goto done;
359: }
360:
361: XSRETURN_UNDEF;
362:
363: done:
364:
365: ST(0) = TARG;
366:
367:
368: void
369: has_request_body(r, next)
370: CODE:
371:
372: dXSTARG;
373: ngx_http_request_t *r;
374: ngx_http_perl_ctx_t *ctx;
375:
376: ngx_http_perl_set_request(r);
377:
378: if (r->headers_in.content_length_n <= 0 && !r->headers_in.chunked) {
379: XSRETURN_UNDEF;
380: }
381:
382: ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
383: ctx->next = SvRV(ST(1));
384:
385: r->request_body_in_single_buf = 1;
386: r->request_body_in_persistent_file = 1;
387: r->request_body_in_clean_file = 1;
388:
389: if (r->request_body_in_file_only) {
390: r->request_body_file_log_level = 0;
391: }
392:
393: ngx_http_read_client_request_body(r, ngx_http_perl_handle_request);
394:
395: sv_upgrade(TARG, SVt_IV);
396: sv_setiv(TARG, 1);
397:
398: ST(0) = TARG;
399:
400:
401: void
402: request_body(r)
403: CODE:
404:
405: dXSTARG;
406: ngx_http_request_t *r;
407: u_char *p, *data;
408: size_t len;
409: ngx_buf_t *buf;
410: ngx_chain_t *cl;
411:
412: ngx_http_perl_set_request(r);
413:
414: if (r->request_body == NULL
415: || r->request_body->temp_file
416: || r->request_body->bufs == NULL)
417: {
418: XSRETURN_UNDEF;
419: }
420:
421: cl = r->request_body->bufs;
422: buf = cl->buf;
423:
424: if (cl->next == NULL) {
425: len = buf->last - buf->pos;
426: data = buf->pos;
427: goto done;
428: }
429:
430: len = buf->last - buf->pos;
431: cl = cl->next;
432:
433: for ( /* void */ ; cl; cl = cl->next) {
434: buf = cl->buf;
435: len += buf->last - buf->pos;
436: }
437:
438: p = ngx_pnalloc(r->pool, len);
439: if (p == NULL) {
440: XSRETURN_UNDEF;
441: }
442:
443: data = p;
444: cl = r->request_body->bufs;
445:
446: for ( /* void */ ; cl; cl = cl->next) {
447: buf = cl->buf;
448: p = ngx_cpymem(p, buf->pos, buf->last - buf->pos);
449: }
450:
451: done:
452:
453: if (len == 0) {
454: XSRETURN_UNDEF;
455: }
456:
457: ngx_http_perl_set_targ(data, len);
458:
459: ST(0) = TARG;
460:
461:
462: void
463: request_body_file(r)
464: CODE:
465:
466: dXSTARG;
467: ngx_http_request_t *r;
468:
469: ngx_http_perl_set_request(r);
470:
471: if (r->request_body == NULL || r->request_body->temp_file == NULL) {
472: XSRETURN_UNDEF;
473: }
474:
475: ngx_http_perl_set_targ(r->request_body->temp_file->file.name.data,
476: r->request_body->temp_file->file.name.len);
477:
478: ST(0) = TARG;
479:
480:
481: void
482: discard_request_body(r)
483: CODE:
484:
485: ngx_http_request_t *r;
486:
487: ngx_http_perl_set_request(r);
488:
489: ngx_http_discard_request_body(r);
490:
491:
492: void
493: header_out(r, key, value)
494: CODE:
495:
496: ngx_http_request_t *r;
497: SV *key;
498: SV *value;
499: ngx_table_elt_t *header;
500:
501: ngx_http_perl_set_request(r);
502:
503: key = ST(1);
504: value = ST(2);
505:
506: header = ngx_list_push(&r->headers_out.headers);
507: if (header == NULL) {
508: XSRETURN_EMPTY;
509: }
510:
511: header->hash = 1;
512:
513: if (ngx_http_perl_sv2str(aTHX_ r, &header->key, key) != NGX_OK) {
514: XSRETURN_EMPTY;
515: }
516:
517: if (ngx_http_perl_sv2str(aTHX_ r, &header->value, value) != NGX_OK) {
518: XSRETURN_EMPTY;
519: }
520:
521: if (header->key.len == sizeof("Content-Length") - 1
522: && ngx_strncasecmp(header->key.data, (u_char *) "Content-Length",
523: sizeof("Content-Length") - 1) == 0)
524: {
525: r->headers_out.content_length_n = (off_t) SvIV(value);
526: r->headers_out.content_length = header;
527: }
528:
529: if (header->key.len == sizeof("Content-Encoding") - 1
530: && ngx_strncasecmp(header->key.data, (u_char *) "Content-Encoding",
531: sizeof("Content-Encoding") - 1) == 0)
532: {
533: r->headers_out.content_encoding = header;
534: }
535:
536:
537: void
538: filename(r)
539: CODE:
540:
541: dXSTARG;
542: size_t root;
543: ngx_http_request_t *r;
544: ngx_http_perl_ctx_t *ctx;
545:
546: ngx_http_perl_set_request(r);
547:
548: ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
549: if (ctx->filename.data) {
550: goto done;
551: }
552:
553: if (ngx_http_map_uri_to_path(r, &ctx->filename, &root, 0) == NULL) {
554: XSRETURN_UNDEF;
555: }
556:
557: ctx->filename.len--;
558: sv_setpv(PL_statname, (char *) ctx->filename.data);
559:
560: done:
561:
562: ngx_http_perl_set_targ(ctx->filename.data, ctx->filename.len);
563:
564: ST(0) = TARG;
565:
566:
567: void
568: print(r, ...)
569: CODE:
570:
571: ngx_http_request_t *r;
572: SV *sv;
573: int i;
574: u_char *p;
575: size_t size;
576: STRLEN len;
577: ngx_buf_t *b;
578:
579: ngx_http_perl_set_request(r);
580:
581: if (items == 2) {
582:
583: /*
584: * do zero copy for prolate single read-only SV:
585: * $r->print("some text\n");
586: */
587:
588: sv = ST(1);
589:
590: if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
591: sv = SvRV(sv);
592: }
593:
594: if (SvREADONLY(sv) && SvPOK(sv)) {
595:
596: p = (u_char *) SvPV(sv, len);
597:
598: if (len == 0) {
599: XSRETURN_EMPTY;
600: }
601:
602: b = ngx_calloc_buf(r->pool);
603: if (b == NULL) {
604: XSRETURN_EMPTY;
605: }
606:
607: b->memory = 1;
608: b->pos = p;
609: b->last = p + len;
610: b->start = p;
611: b->end = b->last;
612:
613: ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
614: "$r->print: read-only SV: %z", len);
615:
616: goto out;
617: }
618: }
619:
620: size = 0;
621:
622: for (i = 1; i < items; i++) {
623:
624: sv = ST(i);
625:
626: if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
627: sv = SvRV(sv);
628: }
629:
630: (void) SvPV(sv, len);
631:
632: ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
633: "$r->print: copy SV: %z", len);
634:
635: size += len;
636: }
637:
638: if (size == 0) {
639: XSRETURN_EMPTY;
640: }
641:
642: b = ngx_create_temp_buf(r->pool, size);
643: if (b == NULL) {
644: XSRETURN_EMPTY;
645: }
646:
647: for (i = 1; i < items; i++) {
648: sv = ST(i);
649:
650: if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
651: sv = SvRV(sv);
652: }
653:
654: p = (u_char *) SvPV(sv, len);
655: b->last = ngx_cpymem(b->last, p, len);
656: }
657:
658: out:
659:
660: (void) ngx_http_perl_output(r, b);
661:
662:
663: void
664: sendfile(r, filename, offset = -1, bytes = 0)
665: CODE:
666:
667: ngx_http_request_t *r;
668: char *filename;
669: off_t offset;
670: size_t bytes;
671: ngx_str_t path;
672: ngx_buf_t *b;
673: ngx_open_file_info_t of;
674: ngx_http_core_loc_conf_t *clcf;
675:
676: ngx_http_perl_set_request(r);
677:
678: filename = SvPV_nolen(ST(1));
679:
680: if (filename == NULL) {
681: croak("sendfile(): NULL filename");
682: }
683:
684: offset = items < 3 ? -1 : SvIV(ST(2));
685: bytes = items < 4 ? 0 : SvIV(ST(3));
686:
687: b = ngx_calloc_buf(r->pool);
688: if (b == NULL) {
689: XSRETURN_EMPTY;
690: }
691:
692: b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));
693: if (b->file == NULL) {
694: XSRETURN_EMPTY;
695: }
696:
697: path.len = ngx_strlen(filename);
698:
699: path.data = ngx_pnalloc(r->pool, path.len + 1);
700: if (path.data == NULL) {
701: XSRETURN_EMPTY;
702: }
703:
704: (void) ngx_cpystrn(path.data, (u_char *) filename, path.len + 1);
705:
706: clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
707:
708: ngx_memzero(&of, sizeof(ngx_open_file_info_t));
709:
710: of.read_ahead = clcf->read_ahead;
711: of.directio = clcf->directio;
712: of.valid = clcf->open_file_cache_valid;
713: of.min_uses = clcf->open_file_cache_min_uses;
714: of.errors = clcf->open_file_cache_errors;
715: of.events = clcf->open_file_cache_events;
716:
717: if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) {
718: XSRETURN_EMPTY;
719: }
720:
721: if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
722: != NGX_OK)
723: {
724: if (of.err == 0) {
725: XSRETURN_EMPTY;
726: }
727:
728: ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
729: "%s \"%s\" failed", of.failed, filename);
730: XSRETURN_EMPTY;
731: }
732:
733: if (offset == -1) {
734: offset = 0;
735: }
736:
737: if (bytes == 0) {
738: bytes = of.size - offset;
739: }
740:
741: b->in_file = 1;
742:
743: b->file_pos = offset;
744: b->file_last = offset + bytes;
745:
746: b->file->fd = of.fd;
747: b->file->log = r->connection->log;
748: b->file->directio = of.is_directio;
749:
750: (void) ngx_http_perl_output(r, b);
751:
752:
753: void
754: flush(r)
755: CODE:
756:
757: ngx_http_request_t *r;
758: ngx_buf_t *b;
759:
760: ngx_http_perl_set_request(r);
761:
762: b = ngx_calloc_buf(r->pool);
763: if (b == NULL) {
764: XSRETURN_EMPTY;
765: }
766:
767: b->flush = 1;
768:
769: ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "$r->flush");
770:
771: (void) ngx_http_perl_output(r, b);
772:
773: XSRETURN_EMPTY;
774:
775:
776: void
777: internal_redirect(r, uri)
778: CODE:
779:
780: ngx_http_request_t *r;
781: SV *uri;
782: ngx_uint_t i;
783: ngx_http_perl_ctx_t *ctx;
784:
785: ngx_http_perl_set_request(r);
786:
787: uri = ST(1);
788:
789: ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
790:
791: if (ngx_http_perl_sv2str(aTHX_ r, &ctx->redirect_uri, uri) != NGX_OK) {
792: XSRETURN_EMPTY;
793: }
794:
795: for (i = 0; i < ctx->redirect_uri.len; i++) {
796: if (ctx->redirect_uri.data[i] == '?') {
797:
798: ctx->redirect_args.len = ctx->redirect_uri.len - (i + 1);
799: ctx->redirect_args.data = &ctx->redirect_uri.data[i + 1];
800: ctx->redirect_uri.len = i;
801:
802: XSRETURN_EMPTY;
803: }
804: }
805:
806:
807: void
808: allow_ranges(r)
809: CODE:
810:
811: ngx_http_request_t *r;
812:
813: ngx_http_perl_set_request(r);
814:
815: r->allow_ranges = 1;
816:
817:
818: void
819: unescape(r, text, type = 0)
820: CODE:
821:
822: dXSTARG;
823: ngx_http_request_t *r;
824: SV *text;
825: int type;
826: u_char *p, *dst, *src;
827: STRLEN len;
828:
829: ngx_http_perl_set_request(r);
830:
831: text = ST(1);
832:
833: src = (u_char *) SvPV(text, len);
834:
835: p = ngx_pnalloc(r->pool, len + 1);
836: if (p == NULL) {
837: XSRETURN_UNDEF;
838: }
839:
840: dst = p;
841:
842: type = items < 3 ? 0 : SvIV(ST(2));
843:
844: ngx_unescape_uri(&dst, &src, len, (ngx_uint_t) type);
845: *dst = '\0';
846:
847: ngx_http_perl_set_targ(p, dst - p);
848:
849: ST(0) = TARG;
850:
851:
852: void
853: variable(r, name, value = NULL)
854: CODE:
855:
856: dXSTARG;
857: ngx_http_request_t *r;
858: SV *name, *value;
859: u_char *p, *lowcase;
860: STRLEN len;
861: ngx_str_t var, val;
862: ngx_uint_t i, hash;
863: ngx_http_perl_var_t *v;
864: ngx_http_perl_ctx_t *ctx;
865: ngx_http_variable_value_t *vv;
866:
867: ngx_http_perl_set_request(r);
868:
869: name = ST(1);
870:
871: if (SvROK(name) && SvTYPE(SvRV(name)) == SVt_PV) {
872: name = SvRV(name);
873: }
874:
875: if (items == 2) {
876: value = NULL;
877:
878: } else {
879: value = ST(2);
880:
881: if (SvROK(value) && SvTYPE(SvRV(value)) == SVt_PV) {
882: value = SvRV(value);
883: }
884:
885: if (ngx_http_perl_sv2str(aTHX_ r, &val, value) != NGX_OK) {
886: XSRETURN_UNDEF;
887: }
888: }
889:
890: p = (u_char *) SvPV(name, len);
891:
892: lowcase = ngx_pnalloc(r->pool, len);
893: if (lowcase == NULL) {
894: XSRETURN_UNDEF;
895: }
896:
897: hash = ngx_hash_strlow(lowcase, p, len);
898:
899: var.len = len;
900: var.data = lowcase;
901:
902: #if (NGX_DEBUG)
903:
904: if (value) {
905: ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
906: "perl variable: \"%V\"=\"%V\"", &var, &val);
907: } else {
908: ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
909: "perl variable: \"%V\"", &var);
910: }
911:
912: #endif
913:
914: vv = ngx_http_get_variable(r, &var, hash);
915: if (vv == NULL) {
916: XSRETURN_UNDEF;
917: }
918:
919: if (vv->not_found) {
920:
921: ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
922:
923: if (ctx->variables) {
924:
925: v = ctx->variables->elts;
926: for (i = 0; i < ctx->variables->nelts; i++) {
927:
928: if (hash != v[i].hash
929: || len != v[i].name.len
930: || ngx_strncmp(lowcase, v[i].name.data, len) != 0)
931: {
932: continue;
933: }
934:
935: if (value) {
936: v[i].value = val;
937: XSRETURN_UNDEF;
938: }
939:
940: ngx_http_perl_set_targ(v[i].value.data, v[i].value.len);
941:
942: goto done;
943: }
944: }
945:
946: if (value) {
947: if (ctx->variables == NULL) {
948: ctx->variables = ngx_array_create(r->pool, 1,
949: sizeof(ngx_http_perl_var_t));
950: if (ctx->variables == NULL) {
951: XSRETURN_UNDEF;
952: }
953: }
954:
955: v = ngx_array_push(ctx->variables);
956: if (v == NULL) {
957: XSRETURN_UNDEF;
958: }
959:
960: v->hash = hash;
961: v->name.len = len;
962: v->name.data = lowcase;
963: v->value = val;
964:
965: XSRETURN_UNDEF;
966: }
967:
968: XSRETURN_UNDEF;
969: }
970:
971: if (value) {
972: vv->len = val.len;
973: vv->valid = 1;
974: vv->no_cacheable = 0;
975: vv->not_found = 0;
976: vv->data = val.data;
977:
978: XSRETURN_UNDEF;
979: }
980:
981: ngx_http_perl_set_targ(vv->data, vv->len);
982:
983: done:
984:
985: ST(0) = TARG;
986:
987:
988: void
989: sleep(r, sleep, next)
990: CODE:
991:
992: ngx_http_request_t *r;
993: ngx_msec_t sleep;
994: ngx_http_perl_ctx_t *ctx;
995:
996: ngx_http_perl_set_request(r);
997:
998: sleep = (ngx_msec_t) SvIV(ST(1));
999:
1000: ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
1001: "perl sleep: %M", sleep);
1002:
1003: ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
1004:
1005: ctx->next = SvRV(ST(2));
1006:
1007: ngx_add_timer(r->connection->write, sleep);
1008:
1009: r->write_event_handler = ngx_http_perl_sleep_handler;
1010: r->main->count++;
1011:
1012:
1013: void
1014: log_error(r, err, msg)
1015: CODE:
1016:
1017: ngx_http_request_t *r;
1018: SV *err, *msg;
1019: u_char *p;
1020: STRLEN len;
1021: ngx_err_t e;
1022:
1023: ngx_http_perl_set_request(r);
1024:
1025: err = ST(1);
1026:
1027: if (SvROK(err) && SvTYPE(SvRV(err)) == SVt_PV) {
1028: err = SvRV(err);
1029: }
1030:
1031: e = SvIV(err);
1032:
1033: msg = ST(2);
1034:
1035: if (SvROK(msg) && SvTYPE(SvRV(msg)) == SVt_PV) {
1036: msg = SvRV(msg);
1037: }
1038:
1039: p = (u_char *) SvPV(msg, len);
1040:
1041: ngx_log_error(NGX_LOG_ERR, r->connection->log, e, "perl: %s", p);