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/cvs/EV/EV.xs
Revision: 1.24
Committed: Wed Oct 31 20:10:17 2007 UTC (16 years, 6 months ago) by root
Branch: MAIN
Changes since 1.23: +15 -2 lines
Log Message:
better resize

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 (SV *cb, int pid)
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 MODULE = EV PACKAGE = EV::IO PREFIX = evio_
421
422 void evio_start (struct ev_io *w)
423
424 void evio_stop (struct ev_io *w)
425
426 void set (struct ev_io *w, SV *fh, int events)
427 CODE:
428 {
429 int active = w->active;
430 if (active) evio_stop (w);
431
432 sv_setsv (w->fh, fh);
433 evio_set (w, sv_fileno (w->fh), events);
434
435 if (active) evio_start (w);
436 }
437
438 SV *fh (struct ev_io *w, SV *new_fh = 0)
439 CODE:
440 {
441 RETVAL = newSVsv (w->fh);
442
443 if (items > 1)
444 {
445 int active = w->active;
446 if (active) evio_stop (w);
447
448 sv_setsv (w->fh, new_fh);
449 evio_set (w, sv_fileno (w->fh), w->events);
450
451 if (active) evio_start (w);
452 }
453 }
454 OUTPUT:
455 RETVAL
456
457 short events (struct ev_io *w, short new_events = EV_UNDEF)
458 CODE:
459 {
460 RETVAL = w->events;
461
462 if (items > 1)
463 {
464 int active = w->active;
465 if (active) evio_stop (w);
466
467 evio_set (w, w->fd, new_events);
468
469 if (active) evio_start (w);
470 }
471 }
472 OUTPUT:
473 RETVAL
474
475 MODULE = EV PACKAGE = EV::Signal PREFIX = evsignal_
476
477 void evsignal_start (struct ev_signal *w)
478
479 void evsignal_stop (struct ev_signal *w)
480
481 void set (struct ev_signal *w, SV *signal = 0)
482 CODE:
483 {
484 Signal signum = sv_signum (signal); /* may croak here */
485 int active = w->active;
486
487 if (active) evsignal_stop (w);
488 evsignal_set (w, signum);
489 if (active) evsignal_start (w);
490 }
491
492 MODULE = EV PACKAGE = EV::Time
493
494 MODULE = EV PACKAGE = EV::Timer PREFIX = evtimer_
495
496 void evtimer_start (struct ev_timer *w)
497 INIT:
498 CHECK_REPEAT (w->repeat);
499
500 void evtimer_stop (struct ev_timer *w)
501
502 void evtimer_again (struct ev_timer *w)
503 INIT:
504 CHECK_REPEAT (w->repeat);
505
506 void set (struct ev_timer *w, NV after, NV repeat = 0.)
507 INIT:
508 CHECK_REPEAT (repeat);
509 CODE:
510 {
511 int active = w->active;
512 if (active) evtimer_stop (w);
513 evtimer_set (w, after, repeat);
514 if (active) evtimer_start (w);
515 }
516
517 MODULE = EV PACKAGE = EV::Periodic PREFIX = evperiodic_
518
519 void evperiodic_start (struct ev_periodic *w)
520 INIT:
521 CHECK_REPEAT (w->interval);
522
523 void evperiodic_stop (struct ev_periodic *w)
524
525 void set (struct ev_periodic *w, NV at, NV interval = 0.)
526 INIT:
527 CHECK_REPEAT (interval);
528 CODE:
529 {
530 int active = w->active;
531 if (active) evperiodic_stop (w);
532 evperiodic_set (w, at, interval);
533 if (active) evperiodic_start (w);
534 }
535
536 MODULE = EV PACKAGE = EV::Idle PREFIX = evidle_
537
538 void evidle_start (struct ev_idle *w)
539
540 void evidle_stop (struct ev_idle *w)
541
542 MODULE = EV PACKAGE = EV::Prepare PREFIX = evcheck_
543
544 void evprepare_start (struct ev_prepare *w)
545
546 void evprepare_stop (struct ev_prepare *w)
547
548 MODULE = EV PACKAGE = EV::Check PREFIX = evcheck_
549
550 void evcheck_start (struct ev_check *w)
551
552 void evcheck_stop (struct ev_check *w)
553
554 MODULE = EV PACKAGE = EV::Child PREFIX = evchild_
555
556 void evchild_start (struct ev_child *w)
557
558 void evchild_stop (struct ev_child *w)
559
560 void set (struct ev_child *w, int pid)
561 CODE:
562 {
563 int active = w->active;
564 if (active) evchild_stop (w);
565 evchild_set (w, pid);
566 if (active) evchild_start (w);
567 }
568
569 int status (struct ev_child *w)
570 CODE:
571 RETVAL = w->status;
572 OUTPUT:
573 RETVAL
574
575 #if 0
576
577 MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
578
579 BOOT:
580 {
581 HV *stash = gv_stashpv ("EV::DNS", 1);
582
583 static const struct {
584 const char *name;
585 IV iv;
586 } *civ, const_iv[] = {
587 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
588 const_iv (DNS_, ERR_NONE)
589 const_iv (DNS_, ERR_FORMAT)
590 const_iv (DNS_, ERR_SERVERFAILED)
591 const_iv (DNS_, ERR_NOTEXIST)
592 const_iv (DNS_, ERR_NOTIMPL)
593 const_iv (DNS_, ERR_REFUSED)
594 const_iv (DNS_, ERR_TRUNCATED)
595 const_iv (DNS_, ERR_UNKNOWN)
596 const_iv (DNS_, ERR_TIMEOUT)
597 const_iv (DNS_, ERR_SHUTDOWN)
598 const_iv (DNS_, IPv4_A)
599 const_iv (DNS_, PTR)
600 const_iv (DNS_, IPv6_AAAA)
601 const_iv (DNS_, QUERY_NO_SEARCH)
602 const_iv (DNS_, OPTION_SEARCH)
603 const_iv (DNS_, OPTION_NAMESERVERS)
604 const_iv (DNS_, OPTION_MISC)
605 const_iv (DNS_, OPTIONS_ALL)
606 const_iv (DNS_, NO_SEARCH)
607 };
608
609 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
610 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
611 }
612
613 int evdns_init ()
614
615 void evdns_shutdown (int fail_requests = 1)
616
617 const char *evdns_err_to_string (int err)
618
619 int evdns_nameserver_add (U32 address)
620
621 int evdns_count_nameservers ()
622
623 int evdns_clear_nameservers_and_suspend ()
624
625 int evdns_resume ()
626
627 int evdns_nameserver_ip_add (char *ip_as_string)
628
629 int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)
630 C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
631
632 int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)
633 C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
634
635 int evdns_resolve_reverse (SV *addr, int flags, SV *cb)
636 ALIAS:
637 evdns_resolve_reverse_ipv6 = 1
638 CODE:
639 {
640 STRLEN len;
641 char *data = SvPVbyte (addr, len);
642 if (len != (ix ? 16 : 4))
643 croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
644
645 RETVAL = ix
646 ? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
647 : evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
648 }
649 OUTPUT:
650 RETVAL
651
652 int evdns_set_option (char *option, char *val, int flags)
653
654 int evdns_resolv_conf_parse (int flags, const char *filename)
655
656 #ifdef MS_WINDOWS
657
658 int evdns_config_windows_nameservers ()
659
660 #endif
661
662 void evdns_search_clear ()
663
664 void evdns_search_add (char *domain)
665
666 void evdns_search_ndots_set (int ndots)
667
668
669 MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
670
671 BOOT:
672 {
673 HV *stash = gv_stashpv ("EV::HTTP", 1);
674
675 static const struct {
676 const char *name;
677 IV iv;
678 } *civ, const_iv[] = {
679 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
680 const_iv (HTTP_, OK)
681 const_iv (HTTP_, NOCONTENT)
682 const_iv (HTTP_, MOVEPERM)
683 const_iv (HTTP_, MOVETEMP)
684 const_iv (HTTP_, NOTMODIFIED)
685 const_iv (HTTP_, BADREQUEST)
686 const_iv (HTTP_, NOTFOUND)
687 const_iv (HTTP_, SERVUNAVAIL)
688 const_iv (EVHTTP_, REQ_OWN_CONNECTION)
689 const_iv (EVHTTP_, PROXY_REQUEST)
690 const_iv (EVHTTP_, REQ_GET)
691 const_iv (EVHTTP_, REQ_POST)
692 const_iv (EVHTTP_, REQ_HEAD)
693 const_iv (EVHTTP_, REQUEST)
694 const_iv (EVHTTP_, RESPONSE)
695 };
696
697 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
698 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
699 }
700
701 MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
702
703 #HttpRequest new (SV *klass, SV *cb)
704
705 #void DESTROY (struct evhttp_request *req);
706
707 #endif
708
709
710
711
712
713
714
715