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/cvs/EV/EV.xs
Revision: 1.23
Committed: Wed Oct 31 19:07:43 2007 UTC (16 years, 6 months ago) by root
Branch: MAIN
Changes since 1.22: +28 -1 lines
Log Message:
include child watcher

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