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/cvs/EV/EV.xs
Revision: 1.28
Committed: Wed Oct 31 21:50:15 2007 UTC (16 years, 6 months ago) by root
Branch: MAIN
Changes since 1.27: +6 -2 lines
Log Message:
dohdohdoh

File Contents

# Content
1 #include "EXTERN.h"
2 #include "perl.h"
3 #include "XSUB.h"
4
5 /*#include <netinet/in.h>*/
6
7 #define TIMEOUT_NONE HUGE_VAL
8 #define HAVE_EPOLL 1
9
10 #define EV_PROTOTYPES 1
11 #include "EV/EVAPI.h"
12
13 #include "libev/ev.c"
14
15 typedef int Signal;
16
17 static struct EVAPI evapi;
18
19 static HV
20 *stash_watcher,
21 *stash_io,
22 *stash_time,
23 *stash_timer,
24 *stash_periodic,
25 *stash_signal,
26 *stash_idle,
27 *stash_prepare,
28 *stash_check,
29 *stash_child;
30
31 static int
32 sv_signum (SV *sig)
33 {
34 int signum;
35
36 if (SvIV (sig) > 0)
37 return SvIV (sig);
38
39 for (signum = 1; signum < SIG_SIZE; ++signum)
40 if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
41 return signum;
42
43 return -1;
44 }
45
46 /////////////////////////////////////////////////////////////////////////////
47 // Event
48
49 static void e_cb (struct ev_watcher *w, int revents);
50
51 static int
52 sv_fileno (SV *fh)
53 {
54 SvGETMAGIC (fh);
55
56 if (SvROK (fh))
57 fh = SvRV (fh);
58
59 if (SvTYPE (fh) == SVt_PVGV)
60 return PerlIO_fileno (IoIFP (sv_2io (fh)));
61
62 if (SvIOK (fh))
63 return SvIV (fh);
64
65 return -1;
66 }
67
68 static void *
69 e_new (int size, SV *cb_sv)
70 {
71 struct ev_watcher *w;
72 SV *self = NEWSV (0, size);
73 SvPOK_only (self);
74 SvCUR_set (self, size);
75
76 w = (struct ev_watcher *)SvPVX (self);
77
78 evw_init (w, e_cb);
79
80 w->fh = 0;
81 w->cb_sv = newSVsv (cb_sv);
82 w->self = self;
83
84 return (void *)w;
85 }
86
87 static SV *
88 e_bless (struct ev_watcher *w, HV *stash)
89 {
90 SV *rv;
91
92 if (SvOBJECT (w->self))
93 rv = newRV_inc (w->self);
94 else
95 {
96 rv = newRV_noinc (w->self);
97 sv_bless (rv, stash);
98 SvREADONLY_on (w->self);
99 }
100
101 return rv;
102 }
103
104 static void
105 e_cb (struct ev_watcher *w, int revents)
106 {
107 dSP;
108 I32 mark = SP - PL_stack_base;
109 SV *sv_self, *sv_events, *sv_status = 0;
110 static SV *sv_events_cache;
111
112 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
113
114 if (sv_events_cache)
115 {
116 sv_events = sv_events_cache; sv_events_cache = 0;
117 SvIV_set (sv_events, revents);
118 }
119 else
120 sv_events = newSViv (revents);
121
122 PUSHMARK (SP);
123 EXTEND (SP, 2);
124 PUSHs (sv_self);
125 PUSHs (sv_events);
126
127 if (revents & EV_CHILD)
128 XPUSHs (sv_status = newSViv (((struct ev_child *)w)->status));
129
130 PUTBACK;
131 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
132 SP = PL_stack_base + mark; PUTBACK;
133
134 SvREFCNT_dec (sv_self);
135 SvREFCNT_dec (sv_status);
136
137 if (sv_events_cache)
138 SvREFCNT_dec (sv_events);
139 else
140 sv_events_cache = sv_events;
141
142 if (SvTRUE (ERRSV))
143 {
144 PUSHMARK (SP);
145 PUTBACK;
146 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
147 SP = PL_stack_base + mark; PUTBACK;
148 }
149 }
150
151 #if 0
152 /////////////////////////////////////////////////////////////////////////////
153 // DNS
154
155 static void
156 dns_cb (int result, char type, int count, int ttl, void *addresses, void *arg)
157 {
158 dSP;
159 SV *cb = (SV *)arg;
160
161 ENTER;
162 SAVETMPS;
163 PUSHMARK (SP);
164 EXTEND (SP, count + 3);
165 PUSHs (sv_2mortal (newSViv (result)));
166
167 if (result == DNS_ERR_NONE && ttl >= 0)
168 {
169 int i;
170
171 PUSHs (sv_2mortal (newSViv (type)));
172 PUSHs (sv_2mortal (newSViv (ttl)));
173
174 for (i = 0; i < count; ++i)
175 switch (type)
176 {
177 case DNS_IPv6_AAAA:
178 PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
179 break;
180 case DNS_IPv4_A:
181 PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
182 break;
183 case DNS_PTR:
184 PUSHs (sv_2mortal (newSVpv (*(char **)addresses, 0)));
185 break;
186 }
187 }
188
189 PUTBACK;
190 call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL);
191
192 FREETMPS;
193
194 if (SvTRUE (ERRSV))
195 {
196 PUSHMARK (SP);
197 PUTBACK;
198 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
199 }
200
201 LEAVE;
202 }
203 #endif
204
205 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
206 croak (# repeat " value must be >= 0");
207
208 /////////////////////////////////////////////////////////////////////////////
209 // XS interface functions
210
211 MODULE = EV PACKAGE = EV PREFIX = ev_
212
213 PROTOTYPES: ENABLE
214
215 BOOT:
216 {
217 int i;
218 HV *stash = gv_stashpv ("EV", 1);
219
220 static const struct {
221 const char *name;
222 IV iv;
223 } *civ, const_iv[] = {
224 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
225 const_iv (EV_, UNDEF)
226 const_iv (EV_, NONE)
227 const_iv (EV_, TIMEOUT)
228 const_iv (EV_, READ)
229 const_iv (EV_, WRITE)
230 const_iv (EV_, SIGNAL)
231 const_iv (EV_, IDLE)
232 const_iv (EV_, CHECK)
233 const_iv (EV_, ERROR)
234
235 const_iv (EV, LOOP_ONESHOT)
236 const_iv (EV, LOOP_NONBLOCK)
237
238 const_iv (EV, METHOD_NONE)
239 const_iv (EV, METHOD_SELECT)
240 const_iv (EV, METHOD_EPOLL)
241 };
242
243 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
244 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
245
246 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
247 stash_io = gv_stashpv ("EV::Io" , 1);
248 stash_time = gv_stashpv ("EV::Time" , 1);
249 stash_timer = gv_stashpv ("EV::Timer" , 1);
250 stash_periodic = gv_stashpv ("EV::Periodic", 1);
251 stash_signal = gv_stashpv ("EV::Signal" , 1);
252 stash_idle = gv_stashpv ("EV::Idle" , 1);
253 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
254 stash_check = gv_stashpv ("EV::Check" , 1);
255 stash_child = gv_stashpv ("EV::Child" , 1);
256
257 {
258 SV *sv = perl_get_sv ("EV::API", TRUE);
259 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
260
261 /* the poor man's shared library emulator */
262 evapi.ver = EV_API_VERSION;
263 evapi.rev = EV_API_REVISION;
264 evapi.sv_fileno = sv_fileno;
265 evapi.sv_signum = sv_signum;
266 evapi.now = &ev_now;
267 evapi.method = &ev_method;
268 evapi.loop_done = &ev_loop_done;
269 evapi.time = ev_time;
270 evapi.loop = ev_loop;
271 evapi.once = ev_once;
272 evapi.io_start = evio_start;
273 evapi.io_stop = evio_stop;
274 evapi.timer_start = evtimer_start;
275 evapi.timer_stop = evtimer_stop;
276 evapi.timer_again = evtimer_again;
277 evapi.periodic_start = evperiodic_start;
278 evapi.periodic_stop = evperiodic_stop;
279 evapi.signal_start = evsignal_start;
280 evapi.signal_stop = evsignal_stop;
281 evapi.idle_start = evidle_start;
282 evapi.idle_stop = evidle_stop;
283 evapi.prepare_start = evprepare_start;
284 evapi.prepare_stop = evprepare_stop;
285 evapi.check_start = evcheck_start;
286 evapi.check_stop = evcheck_stop;
287 evapi.child_start = evchild_start;
288 evapi.child_stop = evchild_stop;
289
290 sv_setiv (sv, (IV)&evapi);
291 SvREADONLY_on (sv);
292 }
293 }
294
295 NV ev_now ()
296 CODE:
297 RETVAL = ev_now;
298 OUTPUT:
299 RETVAL
300
301 int ev_method ()
302 CODE:
303 RETVAL = ev_method;
304 OUTPUT:
305 RETVAL
306
307 NV ev_time ()
308
309 void ev_init (int flags = 0)
310
311 void ev_loop (int flags = 0)
312
313 void ev_loop_done (int value = 1)
314 CODE:
315 ev_loop_done = value;
316
317 struct ev_io *io (SV *fh, int events, SV *cb)
318 ALIAS:
319 io_ns = 1
320 CODE:
321 RETVAL = e_new (sizeof (struct ev_io), cb);
322 RETVAL->fh = newSVsv (fh);
323 evio_set (RETVAL, sv_fileno (RETVAL->fh), events);
324 if (!ix) evio_start (RETVAL);
325 OUTPUT:
326 RETVAL
327
328 struct ev_timer *timer (NV after, NV repeat, SV *cb)
329 ALIAS:
330 timer_ns = 1
331 INIT:
332 CHECK_REPEAT (repeat);
333 CODE:
334 RETVAL = e_new (sizeof (struct ev_timer), cb);
335 evtimer_set (RETVAL, after, repeat);
336 if (!ix) evtimer_start (RETVAL);
337 OUTPUT:
338 RETVAL
339
340 struct ev_periodic *periodic (NV at, NV interval, SV *cb)
341 ALIAS:
342 periodic_ns = 1
343 INIT:
344 CHECK_REPEAT (interval);
345 CODE:
346 RETVAL = e_new (sizeof (struct ev_periodic), cb);
347 evperiodic_set (RETVAL, at, interval);
348 if (!ix) evperiodic_start (RETVAL);
349 OUTPUT:
350 RETVAL
351
352 struct ev_signal *signal (Signal signum, SV *cb)
353 ALIAS:
354 signal_ns = 1
355 CODE:
356 RETVAL = e_new (sizeof (struct ev_signal), cb);
357 evsignal_set (RETVAL, signum);
358 if (!ix) evsignal_start (RETVAL);
359 OUTPUT:
360 RETVAL
361
362 struct ev_idle *idle (SV *cb)
363 ALIAS:
364 idle_ns = 1
365 CODE:
366 RETVAL = e_new (sizeof (struct ev_idle), cb);
367 evidle_set (RETVAL);
368 if (!ix) evidle_start (RETVAL);
369 OUTPUT:
370 RETVAL
371
372 struct ev_prepare *prepare (SV *cb)
373 ALIAS:
374 prepare_ns = 1
375 CODE:
376 RETVAL = e_new (sizeof (struct ev_prepare), cb);
377 evprepare_set (RETVAL);
378 if (!ix) evprepare_start (RETVAL);
379 OUTPUT:
380 RETVAL
381
382 struct ev_check *check (SV *cb)
383 ALIAS:
384 check_ns = 1
385 CODE:
386 RETVAL = e_new (sizeof (struct ev_check), cb);
387 evcheck_set (RETVAL);
388 if (!ix) evcheck_start (RETVAL);
389 OUTPUT:
390 RETVAL
391
392 struct ev_child *child (int pid, SV *cb)
393 ALIAS:
394 check_ns = 1
395 CODE:
396 RETVAL = e_new (sizeof (struct ev_check), cb);
397 evchild_set (RETVAL, pid);
398 if (!ix) evchild_start (RETVAL);
399 OUTPUT:
400 RETVAL
401
402
403 PROTOTYPES: DISABLE
404
405 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
406
407 int ev_is_active (struct ev_watcher *w)
408
409 SV *cb (struct ev_watcher *w, SV *new_cb = 0)
410 CODE:
411 {
412 RETVAL = newSVsv (w->cb_sv);
413
414 if (items > 1)
415 sv_setsv (w->cb_sv, new_cb);
416 }
417 OUTPUT:
418 RETVAL
419
420 void trigger (struct ev_watcher *w, int revents = EV_NONE)
421 CODE:
422 w->cb (w, revents);
423
424 MODULE = EV PACKAGE = EV::Io PREFIX = evio_
425
426 void evio_start (struct ev_io *w)
427
428 void evio_stop (struct ev_io *w)
429
430 void DESTROY (struct ev_io *w)
431 CODE:
432 evio_stop (w);
433
434 void set (struct ev_io *w, SV *fh, int events)
435 CODE:
436 {
437 int active = w->active;
438 if (active) evio_stop (w);
439
440 sv_setsv (w->fh, fh);
441 evio_set (w, sv_fileno (w->fh), events);
442
443 if (active) evio_start (w);
444 }
445
446 SV *fh (struct ev_io *w, SV *new_fh = 0)
447 CODE:
448 {
449 RETVAL = newSVsv (w->fh);
450
451 if (items > 1)
452 {
453 int active = w->active;
454 if (active) evio_stop (w);
455
456 sv_setsv (w->fh, new_fh);
457 evio_set (w, sv_fileno (w->fh), w->events);
458
459 if (active) evio_start (w);
460 }
461 }
462 OUTPUT:
463 RETVAL
464
465 short events (struct ev_io *w, short new_events = EV_UNDEF)
466 CODE:
467 {
468 RETVAL = w->events;
469
470 if (items > 1)
471 {
472 int active = w->active;
473 if (active) evio_stop (w);
474
475 evio_set (w, w->fd, new_events);
476
477 if (active) evio_start (w);
478 }
479 }
480 OUTPUT:
481 RETVAL
482
483 MODULE = EV PACKAGE = EV::Signal PREFIX = evsignal_
484
485 void evsignal_start (struct ev_signal *w)
486
487 void evsignal_stop (struct ev_signal *w)
488
489 void DESTROY (struct ev_signal *w)
490 CODE:
491 evsignal_stop (w);
492
493 void set (struct ev_signal *w, SV *signal = 0)
494 CODE:
495 {
496 Signal signum = sv_signum (signal); /* may croak here */
497 int active = w->active;
498
499 if (active) evsignal_stop (w);
500 evsignal_set (w, signum);
501 if (active) evsignal_start (w);
502 }
503
504 MODULE = EV PACKAGE = EV::Time
505
506 MODULE = EV PACKAGE = EV::Timer PREFIX = evtimer_
507
508 void evtimer_start (struct ev_timer *w)
509 INIT:
510 CHECK_REPEAT (w->repeat);
511
512 void evtimer_stop (struct ev_timer *w)
513
514 void evtimer_again (struct ev_timer *w)
515 INIT:
516 CHECK_REPEAT (w->repeat);
517
518 void DESTROY (struct ev_timer *w)
519 CODE:
520 evtimer_stop (w);
521
522 void set (struct ev_timer *w, NV after, NV repeat = 0.)
523 INIT:
524 CHECK_REPEAT (repeat);
525 CODE:
526 {
527 int active = w->active;
528 if (active) evtimer_stop (w);
529 evtimer_set (w, after, repeat);
530 if (active) evtimer_start (w);
531 }
532
533 MODULE = EV PACKAGE = EV::Periodic PREFIX = evperiodic_
534
535 void evperiodic_start (struct ev_periodic *w)
536 INIT:
537 CHECK_REPEAT (w->interval);
538
539 void evperiodic_stop (struct ev_periodic *w)
540
541 void DESTROY (struct ev_periodic *w)
542 CODE:
543 evperiodic_stop (w);
544
545 void set (struct ev_periodic *w, NV at, NV interval = 0.)
546 INIT:
547 CHECK_REPEAT (interval);
548 CODE:
549 {
550 int active = w->active;
551 if (active) evperiodic_stop (w);
552 evperiodic_set (w, at, interval);
553 if (active) evperiodic_start (w);
554 }
555
556 MODULE = EV PACKAGE = EV::Idle PREFIX = evidle_
557
558 void evidle_start (struct ev_idle *w)
559
560 void evidle_stop (struct ev_idle *w)
561
562 void DESTROY (struct ev_idle *w)
563 CODE:
564 evidle_stop (w);
565
566 MODULE = EV PACKAGE = EV::Prepare PREFIX = evcheck_
567
568 void evprepare_start (struct ev_prepare *w)
569
570 void evprepare_stop (struct ev_prepare *w)
571
572 void DESTROY (struct ev_prepare *w)
573 CODE:
574 evprepare_stop (w);
575
576 MODULE = EV PACKAGE = EV::Check PREFIX = evcheck_
577
578 void evcheck_start (struct ev_check *w)
579
580 void evcheck_stop (struct ev_check *w)
581
582 void DESTROY (struct ev_check *w)
583 CODE:
584 evcheck_stop (w);
585
586 MODULE = EV PACKAGE = EV::Child PREFIX = evchild_
587
588 void evchild_start (struct ev_child *w)
589
590 void evchild_stop (struct ev_child *w)
591
592 void DESTROY (struct ev_child *w)
593 CODE:
594 evchild_stop (w);
595
596 void set (struct ev_child *w, int pid)
597 CODE:
598 {
599 int active = w->active;
600 if (active) evchild_stop (w);
601 evchild_set (w, pid);
602 if (active) evchild_start (w);
603 }
604
605 int status (struct ev_child *w)
606 CODE:
607 RETVAL = w->status;
608 OUTPUT:
609 RETVAL
610
611 #if 0
612
613 MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
614
615 BOOT:
616 {
617 HV *stash = gv_stashpv ("EV::DNS", 1);
618
619 static const struct {
620 const char *name;
621 IV iv;
622 } *civ, const_iv[] = {
623 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
624 const_iv (DNS_, ERR_NONE)
625 const_iv (DNS_, ERR_FORMAT)
626 const_iv (DNS_, ERR_SERVERFAILED)
627 const_iv (DNS_, ERR_NOTEXIST)
628 const_iv (DNS_, ERR_NOTIMPL)
629 const_iv (DNS_, ERR_REFUSED)
630 const_iv (DNS_, ERR_TRUNCATED)
631 const_iv (DNS_, ERR_UNKNOWN)
632 const_iv (DNS_, ERR_TIMEOUT)
633 const_iv (DNS_, ERR_SHUTDOWN)
634 const_iv (DNS_, IPv4_A)
635 const_iv (DNS_, PTR)
636 const_iv (DNS_, IPv6_AAAA)
637 const_iv (DNS_, QUERY_NO_SEARCH)
638 const_iv (DNS_, OPTION_SEARCH)
639 const_iv (DNS_, OPTION_NAMESERVERS)
640 const_iv (DNS_, OPTION_MISC)
641 const_iv (DNS_, OPTIONS_ALL)
642 const_iv (DNS_, NO_SEARCH)
643 };
644
645 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
646 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
647 }
648
649 int evdns_init ()
650
651 void evdns_shutdown (int fail_requests = 1)
652
653 const char *evdns_err_to_string (int err)
654
655 int evdns_nameserver_add (U32 address)
656
657 int evdns_count_nameservers ()
658
659 int evdns_clear_nameservers_and_suspend ()
660
661 int evdns_resume ()
662
663 int evdns_nameserver_ip_add (char *ip_as_string)
664
665 int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)
666 C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
667
668 int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)
669 C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
670
671 int evdns_resolve_reverse (SV *addr, int flags, SV *cb)
672 ALIAS:
673 evdns_resolve_reverse_ipv6 = 1
674 CODE:
675 {
676 STRLEN len;
677 char *data = SvPVbyte (addr, len);
678 if (len != (ix ? 16 : 4))
679 croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
680
681 RETVAL = ix
682 ? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
683 : evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
684 }
685 OUTPUT:
686 RETVAL
687
688 int evdns_set_option (char *option, char *val, int flags)
689
690 int evdns_resolv_conf_parse (int flags, const char *filename)
691
692 #ifdef MS_WINDOWS
693
694 int evdns_config_windows_nameservers ()
695
696 #endif
697
698 void evdns_search_clear ()
699
700 void evdns_search_add (char *domain)
701
702 void evdns_search_ndots_set (int ndots)
703
704
705 MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
706
707 BOOT:
708 {
709 HV *stash = gv_stashpv ("EV::HTTP", 1);
710
711 static const struct {
712 const char *name;
713 IV iv;
714 } *civ, const_iv[] = {
715 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
716 const_iv (HTTP_, OK)
717 const_iv (HTTP_, NOCONTENT)
718 const_iv (HTTP_, MOVEPERM)
719 const_iv (HTTP_, MOVETEMP)
720 const_iv (HTTP_, NOTMODIFIED)
721 const_iv (HTTP_, BADREQUEST)
722 const_iv (HTTP_, NOTFOUND)
723 const_iv (HTTP_, SERVUNAVAIL)
724 const_iv (EVHTTP_, REQ_OWN_CONNECTION)
725 const_iv (EVHTTP_, PROXY_REQUEST)
726 const_iv (EVHTTP_, REQ_GET)
727 const_iv (EVHTTP_, REQ_POST)
728 const_iv (EVHTTP_, REQ_HEAD)
729 const_iv (EVHTTP_, REQUEST)
730 const_iv (EVHTTP_, RESPONSE)
731 };
732
733 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
734 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
735 }
736
737 MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
738
739 #HttpRequest new (SV *klass, SV *cb)
740
741 #void DESTROY (struct evhttp_request *req);
742
743 #endif
744
745
746
747
748
749
750
751