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/cvs/EV/EV.xs
Revision: 1.17
Committed: Wed Oct 31 11:52:11 2007 UTC (16 years, 6 months ago) by root
Branch: MAIN
Changes since 1.16: +3 -0 lines
Log Message:
*** empty log message ***

File Contents

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