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/cvs/EV/EV.xs
Revision: 1.22
Committed: Wed Oct 31 18:28:00 2007 UTC (16 years, 6 months ago) by root
Branch: MAIN
Changes since 1.21: +21 -1 lines
Log Message:
add prepare 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
30 static int
31 sv_signum (SV *sig)
32 {
33 int signum;
34
35 if (SvIV (sig) > 0)
36 return SvIV (sig);
37
38 for (signum = 1; signum < SIG_SIZE; ++signum)
39 if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
40 return signum;
41
42 return -1;
43 }
44
45 /////////////////////////////////////////////////////////////////////////////
46 // Event
47
48 static void e_cb (struct ev_watcher *w, int revents);
49
50 static int
51 sv_fileno (SV *fh)
52 {
53 SvGETMAGIC (fh);
54
55 if (SvROK (fh))
56 fh = SvRV (fh);
57
58 if (SvTYPE (fh) == SVt_PVGV)
59 return PerlIO_fileno (IoIFP (sv_2io (fh)));
60
61 if (SvIOK (fh))
62 return SvIV (fh);
63
64 return -1;
65 }
66
67 static void *
68 e_new (int size, SV *cb_sv)
69 {
70 struct ev_watcher *w;
71 SV *self = NEWSV (0, size);
72 SvPOK_only (self);
73 SvCUR_set (self, size);
74
75 w = (struct ev_watcher *)SvPVX (self);
76
77 evw_init (w, e_cb);
78
79 w->fh = 0;
80 w->cb_sv = newSVsv (cb_sv);
81 w->self = self;
82
83 return (void *)w;
84 }
85
86 static SV *
87 e_bless (struct ev_watcher *w, HV *stash)
88 {
89 SV *rv;
90
91 if (SvOBJECT (w->self))
92 rv = newRV_inc (w->self);
93 else
94 {
95 rv = newRV_noinc (w->self);
96 sv_bless (rv, stash);
97 SvREADONLY_on (w->self);
98 }
99
100 return rv;
101 }
102
103 static void
104 e_cb (struct ev_watcher *w, int revents)
105 {
106 dSP;
107 I32 mark = SP - PL_stack_base;
108 SV *sv_self, *sv_events;
109 static SV *sv_events_cache;
110
111 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
112
113 if (sv_events_cache)
114 {
115 sv_events = sv_events_cache; sv_events_cache = 0;
116 SvIV_set (sv_events, revents);
117 }
118 else
119 sv_events = newSViv (revents);
120
121 PUSHMARK (SP);
122 EXTEND (SP, 2);
123 PUSHs (sv_self);
124 PUSHs (sv_events);
125 PUTBACK;
126 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
127 SP = PL_stack_base + mark; PUTBACK;
128
129 SvREFCNT_dec (sv_self);
130
131 if (sv_events_cache)
132 SvREFCNT_dec (sv_events);
133 else
134 sv_events_cache = sv_events;
135
136 if (SvTRUE (ERRSV))
137 {
138 PUSHMARK (SP);
139 PUTBACK;
140 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
141 SP = PL_stack_base + mark; PUTBACK;
142 }
143 }
144
145 #if 0
146 /////////////////////////////////////////////////////////////////////////////
147 // DNS
148
149 static void
150 dns_cb (int result, char type, int count, int ttl, void *addresses, void *arg)
151 {
152 dSP;
153 SV *cb = (SV *)arg;
154
155 ENTER;
156 SAVETMPS;
157 PUSHMARK (SP);
158 EXTEND (SP, count + 3);
159 PUSHs (sv_2mortal (newSViv (result)));
160
161 if (result == DNS_ERR_NONE && ttl >= 0)
162 {
163 int i;
164
165 PUSHs (sv_2mortal (newSViv (type)));
166 PUSHs (sv_2mortal (newSViv (ttl)));
167
168 for (i = 0; i < count; ++i)
169 switch (type)
170 {
171 case DNS_IPv6_AAAA:
172 PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
173 break;
174 case DNS_IPv4_A:
175 PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
176 break;
177 case DNS_PTR:
178 PUSHs (sv_2mortal (newSVpv (*(char **)addresses, 0)));
179 break;
180 }
181 }
182
183 PUTBACK;
184 call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL);
185
186 FREETMPS;
187
188 if (SvTRUE (ERRSV))
189 {
190 PUSHMARK (SP);
191 PUTBACK;
192 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
193 }
194
195 LEAVE;
196 }
197 #endif
198
199 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
200 croak (# repeat " value must be >= 0");
201
202 /////////////////////////////////////////////////////////////////////////////
203 // XS interface functions
204
205 MODULE = EV PACKAGE = EV PREFIX = ev_
206
207 PROTOTYPES: ENABLE
208
209 BOOT:
210 {
211 int i;
212 HV *stash = gv_stashpv ("EV", 1);
213
214 static const struct {
215 const char *name;
216 IV iv;
217 } *civ, const_iv[] = {
218 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
219 const_iv (EV_, UNDEF)
220 const_iv (EV_, NONE)
221 const_iv (EV_, TIMEOUT)
222 const_iv (EV_, READ)
223 const_iv (EV_, WRITE)
224 const_iv (EV_, SIGNAL)
225 const_iv (EV_, IDLE)
226 const_iv (EV_, CHECK)
227 const_iv (EV_, ERROR)
228
229 const_iv (EV, LOOP_ONESHOT)
230 const_iv (EV, LOOP_NONBLOCK)
231
232 const_iv (EV, METHOD_NONE)
233 const_iv (EV, METHOD_SELECT)
234 const_iv (EV, METHOD_EPOLL)
235 };
236
237 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
238 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
239
240 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
241 stash_io = gv_stashpv ("EV::IO" , 1);
242 stash_time = gv_stashpv ("EV::Time" , 1);
243 stash_timer = gv_stashpv ("EV::Timer" , 1);
244 stash_periodic = gv_stashpv ("EV::Periodic", 1);
245 stash_signal = gv_stashpv ("EV::Signal" , 1);
246 stash_idle = gv_stashpv ("EV::Idle" , 1);
247 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
248 stash_check = gv_stashpv ("EV::Check" , 1);
249
250 {
251 SV *sv = perl_get_sv ("EV::API", TRUE);
252 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
253
254 /* the poor man's shared library emulator */
255 evapi.ver = EV_API_VERSION;
256 evapi.rev = EV_API_REVISION;
257 evapi.sv_fileno = sv_fileno;
258 evapi.sv_signum = sv_signum;
259 evapi.now = &ev_now;
260 evapi.method = &ev_method;
261 evapi.loop_done = &ev_loop_done;
262 evapi.time = ev_time;
263 evapi.loop = ev_loop;
264 evapi.once = ev_once;
265 evapi.io_start = evio_start;
266 evapi.io_stop = evio_stop;
267 evapi.timer_start = evtimer_start;
268 evapi.timer_stop = evtimer_stop;
269 evapi.timer_again = evtimer_again;
270 evapi.periodic_start = evperiodic_start;
271 evapi.periodic_stop = evperiodic_stop;
272 evapi.signal_start = evsignal_start;
273 evapi.signal_stop = evsignal_stop;
274 evapi.idle_start = evidle_start;
275 evapi.idle_stop = evidle_stop;
276 evapi.prepare_start = evprepare_start;
277 evapi.prepare_stop = evprepare_stop;
278 evapi.check_start = evcheck_start;
279 evapi.check_stop = evcheck_stop;
280
281 sv_setiv (sv, (IV)&evapi);
282 SvREADONLY_on (sv);
283 }
284 }
285
286 NV ev_now ()
287 CODE:
288 RETVAL = ev_now;
289 OUTPUT:
290 RETVAL
291
292 int ev_method ()
293 CODE:
294 RETVAL = ev_method;
295 OUTPUT:
296 RETVAL
297
298 NV ev_time ()
299
300 void ev_init (int flags = 0)
301
302 void ev_loop (int flags = 0)
303
304 void ev_loop_done (int value = 1)
305 CODE:
306 ev_loop_done = value;
307
308 struct ev_io *io (SV *fh, int events, SV *cb)
309 ALIAS:
310 io_ns = 1
311 CODE:
312 RETVAL = e_new (sizeof (struct ev_io), cb);
313 RETVAL->fh = newSVsv (fh);
314 evio_set (RETVAL, sv_fileno (RETVAL->fh), events);
315 if (!ix) evio_start (RETVAL);
316 OUTPUT:
317 RETVAL
318
319 struct ev_timer *timer (NV after, NV repeat, SV *cb)
320 ALIAS:
321 timer_ns = 1
322 INIT:
323 CHECK_REPEAT (repeat);
324 CODE:
325 RETVAL = e_new (sizeof (struct ev_timer), cb);
326 evtimer_set (RETVAL, after, repeat);
327 if (!ix) evtimer_start (RETVAL);
328 OUTPUT:
329 RETVAL
330
331 struct ev_periodic *periodic (NV at, NV interval, SV *cb)
332 ALIAS:
333 periodic_ns = 1
334 INIT:
335 CHECK_REPEAT (interval);
336 CODE:
337 RETVAL = e_new (sizeof (struct ev_periodic), cb);
338 evperiodic_set (RETVAL, at, interval);
339 if (!ix) evperiodic_start (RETVAL);
340 OUTPUT:
341 RETVAL
342
343 struct ev_signal *signal (Signal signum, SV *cb)
344 ALIAS:
345 signal_ns = 1
346 CODE:
347 RETVAL = e_new (sizeof (struct ev_signal), cb);
348 evsignal_set (RETVAL, signum);
349 if (!ix) evsignal_start (RETVAL);
350 OUTPUT:
351 RETVAL
352
353 struct ev_idle *idle (SV *cb)
354 ALIAS:
355 idle_ns = 1
356 CODE:
357 RETVAL = e_new (sizeof (struct ev_idle), cb);
358 evidle_set (RETVAL);
359 if (!ix) evidle_start (RETVAL);
360 OUTPUT:
361 RETVAL
362
363 struct ev_prepare *prepare (SV *cb)
364 ALIAS:
365 prepare_ns = 1
366 CODE:
367 RETVAL = e_new (sizeof (struct ev_prepare), cb);
368 evprepare_set (RETVAL);
369 if (!ix) evprepare_start (RETVAL);
370 OUTPUT:
371 RETVAL
372
373 struct ev_check *check (SV *cb)
374 ALIAS:
375 check_ns = 1
376 CODE:
377 RETVAL = e_new (sizeof (struct ev_check), cb);
378 evcheck_set (RETVAL);
379 if (!ix) evcheck_start (RETVAL);
380 OUTPUT:
381 RETVAL
382
383
384 PROTOTYPES: DISABLE
385
386 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
387
388 int ev_is_active (struct ev_watcher *w)
389
390 SV *cb (struct ev_watcher *w, SV *new_cb = 0)
391 CODE:
392 {
393 RETVAL = newSVsv (w->cb_sv);
394
395 if (items > 1)
396 sv_setsv (w->cb_sv, new_cb);
397 }
398 OUTPUT:
399 RETVAL
400
401 MODULE = EV PACKAGE = EV::IO PREFIX = evio_
402
403 void evio_start (struct ev_io *w)
404
405 void evio_stop (struct ev_io *w)
406
407 void set (struct ev_io *w, SV *fh, int events)
408 CODE:
409 {
410 int active = w->active;
411 if (active) evio_stop (w);
412
413 sv_setsv (w->fh, fh);
414 evio_set (w, sv_fileno (w->fh), events);
415
416 if (active) evio_start (w);
417 }
418
419 SV *fh (struct ev_io *w, SV *new_fh = 0)
420 CODE:
421 {
422 RETVAL = newSVsv (w->fh);
423
424 if (items > 1)
425 {
426 int active = w->active;
427 if (active) evio_stop (w);
428
429 sv_setsv (w->fh, new_fh);
430 evio_set (w, sv_fileno (w->fh), w->events);
431
432 if (active) evio_start (w);
433 }
434 }
435 OUTPUT:
436 RETVAL
437
438 short events (struct ev_io *w, short new_events = EV_UNDEF)
439 CODE:
440 {
441 RETVAL = w->events;
442
443 if (items > 1)
444 {
445 int active = w->active;
446 if (active) evio_stop (w);
447
448 evio_set (w, w->fd, new_events);
449
450 if (active) evio_start (w);
451 }
452 }
453 OUTPUT:
454 RETVAL
455
456 MODULE = EV PACKAGE = EV::Signal PREFIX = evsignal_
457
458 void evsignal_start (struct ev_signal *w)
459
460 void evsignal_stop (struct ev_signal *w)
461
462 void set (struct ev_signal *w, SV *signal = 0)
463 CODE:
464 {
465 Signal signum = sv_signum (signal); /* may croak here */
466 int active = w->active;
467
468 if (active) evsignal_stop (w);
469 evsignal_set (w, signum);
470 if (active) evsignal_start (w);
471 }
472
473 MODULE = EV PACKAGE = EV::Time
474
475 MODULE = EV PACKAGE = EV::Timer PREFIX = evtimer_
476
477 void evtimer_start (struct ev_timer *w)
478 INIT:
479 CHECK_REPEAT (w->repeat);
480
481 void evtimer_stop (struct ev_timer *w)
482
483 void evtimer_again (struct ev_timer *w)
484 INIT:
485 CHECK_REPEAT (w->repeat);
486
487 void set (struct ev_timer *w, NV after, NV repeat = 0.)
488 INIT:
489 CHECK_REPEAT (repeat);
490 CODE:
491 {
492 int active = w->active;
493 if (active) evtimer_stop (w);
494 evtimer_set (w, after, repeat);
495 if (active) evtimer_start (w);
496 }
497
498 MODULE = EV PACKAGE = EV::Periodic PREFIX = evperiodic_
499
500 void evperiodic_start (struct ev_periodic *w)
501 INIT:
502 CHECK_REPEAT (w->interval);
503
504 void evperiodic_stop (struct ev_periodic *w)
505
506 void set (struct ev_periodic *w, NV at, NV interval = 0.)
507 INIT:
508 CHECK_REPEAT (interval);
509 CODE:
510 {
511 int active = w->active;
512 if (active) evperiodic_stop (w);
513 evperiodic_set (w, at, interval);
514 if (active) evperiodic_start (w);
515 }
516
517 MODULE = EV PACKAGE = EV::Idle PREFIX = evidle_
518
519 void evidle_start (struct ev_idle *w)
520
521 void evidle_stop (struct ev_idle *w)
522
523 MODULE = EV PACKAGE = EV::Prepare PREFIX = evcheck_
524
525 void evprepare_start (struct ev_prepare *w)
526
527 void evprepare_stop (struct ev_prepare *w)
528
529 MODULE = EV PACKAGE = EV::Check PREFIX = evcheck_
530
531 void evcheck_start (struct ev_check *w)
532
533 void evcheck_stop (struct ev_check *w)
534
535 #if 0
536
537 MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
538
539 BOOT:
540 {
541 HV *stash = gv_stashpv ("EV::DNS", 1);
542
543 static const struct {
544 const char *name;
545 IV iv;
546 } *civ, const_iv[] = {
547 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
548 const_iv (DNS_, ERR_NONE)
549 const_iv (DNS_, ERR_FORMAT)
550 const_iv (DNS_, ERR_SERVERFAILED)
551 const_iv (DNS_, ERR_NOTEXIST)
552 const_iv (DNS_, ERR_NOTIMPL)
553 const_iv (DNS_, ERR_REFUSED)
554 const_iv (DNS_, ERR_TRUNCATED)
555 const_iv (DNS_, ERR_UNKNOWN)
556 const_iv (DNS_, ERR_TIMEOUT)
557 const_iv (DNS_, ERR_SHUTDOWN)
558 const_iv (DNS_, IPv4_A)
559 const_iv (DNS_, PTR)
560 const_iv (DNS_, IPv6_AAAA)
561 const_iv (DNS_, QUERY_NO_SEARCH)
562 const_iv (DNS_, OPTION_SEARCH)
563 const_iv (DNS_, OPTION_NAMESERVERS)
564 const_iv (DNS_, OPTION_MISC)
565 const_iv (DNS_, OPTIONS_ALL)
566 const_iv (DNS_, NO_SEARCH)
567 };
568
569 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
570 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
571 }
572
573 int evdns_init ()
574
575 void evdns_shutdown (int fail_requests = 1)
576
577 const char *evdns_err_to_string (int err)
578
579 int evdns_nameserver_add (U32 address)
580
581 int evdns_count_nameservers ()
582
583 int evdns_clear_nameservers_and_suspend ()
584
585 int evdns_resume ()
586
587 int evdns_nameserver_ip_add (char *ip_as_string)
588
589 int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)
590 C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
591
592 int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)
593 C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
594
595 int evdns_resolve_reverse (SV *addr, int flags, SV *cb)
596 ALIAS:
597 evdns_resolve_reverse_ipv6 = 1
598 CODE:
599 {
600 STRLEN len;
601 char *data = SvPVbyte (addr, len);
602 if (len != (ix ? 16 : 4))
603 croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
604
605 RETVAL = ix
606 ? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
607 : evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
608 }
609 OUTPUT:
610 RETVAL
611
612 int evdns_set_option (char *option, char *val, int flags)
613
614 int evdns_resolv_conf_parse (int flags, const char *filename)
615
616 #ifdef MS_WINDOWS
617
618 int evdns_config_windows_nameservers ()
619
620 #endif
621
622 void evdns_search_clear ()
623
624 void evdns_search_add (char *domain)
625
626 void evdns_search_ndots_set (int ndots)
627
628
629 MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
630
631 BOOT:
632 {
633 HV *stash = gv_stashpv ("EV::HTTP", 1);
634
635 static const struct {
636 const char *name;
637 IV iv;
638 } *civ, const_iv[] = {
639 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
640 const_iv (HTTP_, OK)
641 const_iv (HTTP_, NOCONTENT)
642 const_iv (HTTP_, MOVEPERM)
643 const_iv (HTTP_, MOVETEMP)
644 const_iv (HTTP_, NOTMODIFIED)
645 const_iv (HTTP_, BADREQUEST)
646 const_iv (HTTP_, NOTFOUND)
647 const_iv (HTTP_, SERVUNAVAIL)
648 const_iv (EVHTTP_, REQ_OWN_CONNECTION)
649 const_iv (EVHTTP_, PROXY_REQUEST)
650 const_iv (EVHTTP_, REQ_GET)
651 const_iv (EVHTTP_, REQ_POST)
652 const_iv (EVHTTP_, REQ_HEAD)
653 const_iv (EVHTTP_, REQUEST)
654 const_iv (EVHTTP_, RESPONSE)
655 };
656
657 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
658 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
659 }
660
661 MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
662
663 #HttpRequest new (SV *klass, SV *cb)
664
665 #void DESTROY (struct evhttp_request *req);
666
667 #endif
668
669
670
671
672
673
674
675