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/cvs/EV/EV.xs
Revision: 1.18
Committed: Wed Oct 31 11:55:42 2007 UTC (16 years, 6 months ago) by root
Branch: MAIN
Changes since 1.17: +17 -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 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
217 croak (# repeat " value must be >= 0");
218
219 /////////////////////////////////////////////////////////////////////////////
220 // XS interface functions
221
222 MODULE = EV PACKAGE = EV PREFIX = ev_
223
224 BOOT:
225 {
226 int i;
227 HV *stash = gv_stashpv ("EV", 1);
228
229 static const struct {
230 const char *name;
231 IV iv;
232 } *civ, const_iv[] = {
233 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
234 const_iv (EV_, NONE)
235 const_iv (EV_, TIMEOUT)
236 const_iv (EV_, READ)
237 const_iv (EV_, WRITE)
238 const_iv (EV_, SIGNAL)
239 const_iv (EV_, IDLE)
240 const_iv (EV_, CHECK)
241
242 const_iv (EV, LOOP_ONESHOT)
243 const_iv (EV, LOOP_NONBLOCK)
244
245 const_iv (EV, METHOD_NONE)
246 const_iv (EV, METHOD_SELECT)
247 const_iv (EV, METHOD_EPOLL)
248 };
249
250 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
251 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
252
253 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
254 stash_io = gv_stashpv ("EV::IO" , 1);
255 stash_time = gv_stashpv ("EV::Time" , 1);
256 stash_timer = gv_stashpv ("EV::Timer" , 1);
257 stash_periodic = gv_stashpv ("EV::Periodic", 1);
258 stash_signal = gv_stashpv ("EV::Signal" , 1);
259 stash_idle = gv_stashpv ("EV::Idle" , 1);
260 stash_check = gv_stashpv ("EV::Check" , 1);
261
262 {
263 SV *sv = perl_get_sv ("EV::API", TRUE);
264 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
265
266 /* the poor man's shared library emulator */
267 evapi.ver = EV_API_VERSION;
268 evapi.rev = EV_API_REVISION;
269 evapi.once = api_once;
270 evapi.sv_fileno = sv_fileno;
271 evapi.sv_signum = sv_signum;
272 evapi.now = &ev_now;
273 evapi.method = &ev_method;
274 evapi.loop_done = &ev_loop_done;
275 evapi.time = ev_time;
276 evapi.loop = ev_loop;
277 evapi.io_start = evio_start;
278 evapi.io_stop = evio_stop;
279 evapi.timer_start = evtimer_start;
280 evapi.timer_stop = evtimer_stop;
281 evapi.timer_again = evtimer_again;
282 evapi.periodic_start = evperiodic_start;
283 evapi.periodic_stop = evperiodic_stop;
284 evapi.signal_start = evsignal_start;
285 evapi.signal_stop = evsignal_stop;
286 evapi.idle_start = evidle_start;
287 evapi.idle_stop = evidle_stop;
288 evapi.check_start = evcheck_start;
289 evapi.check_stop = evcheck_stop;
290
291 sv_setiv (sv, (IV)&evapi);
292 SvREADONLY_on (sv);
293 }
294 }
295
296 NV ev_now ()
297 CODE:
298 RETVAL = ev_now;
299 OUTPUT:
300 RETVAL
301
302 int ev_method ()
303 CODE:
304 RETVAL = ev_method;
305 OUTPUT:
306 RETVAL
307
308 NV ev_time ()
309
310 void ev_init (int flags = 0)
311
312 void ev_loop (int flags = 0)
313
314 void ev_loop_done (int value = 1)
315 CODE:
316 ev_loop_done = value;
317
318 struct ev_io *io (SV *fh, int events, SV *cb)
319 ALIAS:
320 io_ns = 1
321 CODE:
322 RETVAL = e_new (sizeof (struct ev_io), cb);
323 RETVAL->fh = newSVsv (fh);
324 evio_set (RETVAL, sv_fileno (RETVAL->fh), events);
325 if (!ix) evio_start (RETVAL);
326 OUTPUT:
327 RETVAL
328
329 struct ev_timer *timer (NV after, NV repeat, SV *cb)
330 ALIAS:
331 timer_ns = 1
332 INIT:
333 CHECK_REPEAT (repeat);
334 CODE:
335 RETVAL = e_new (sizeof (struct ev_timer), cb);
336 evtimer_set (RETVAL, after, repeat);
337 if (!ix) evtimer_start (RETVAL);
338 OUTPUT:
339 RETVAL
340
341 struct ev_periodic *periodic (NV at, NV interval, SV *cb)
342 ALIAS:
343 periodic_ns = 1
344 INIT:
345 CHECK_REPEAT (interval);
346 CODE:
347 RETVAL = e_new (sizeof (struct ev_periodic), cb);
348 evperiodic_set (RETVAL, at, interval);
349 if (!ix) evperiodic_start (RETVAL);
350 OUTPUT:
351 RETVAL
352
353 struct ev_signal *signal (Signal signum, SV *cb)
354 ALIAS:
355 signal_ns = 1
356 CODE:
357 RETVAL = e_new (sizeof (struct ev_signal), cb);
358 evsignal_set (RETVAL, signum);
359 if (!ix) evsignal_start (RETVAL);
360 OUTPUT:
361 RETVAL
362
363 struct ev_idle *idle (SV *cb)
364 ALIAS:
365 idle_ns = 1
366 CODE:
367 RETVAL = e_new (sizeof (struct ev_idle), cb);
368 evidle_set (RETVAL);
369 if (!ix) evidle_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::Check PREFIX = evcheck_
524
525 void evcheck_start (struct ev_check *w)
526
527 void evcheck_stop (struct ev_check *w)
528
529 #if 0
530
531 MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
532
533 BOOT:
534 {
535 HV *stash = gv_stashpv ("EV::DNS", 1);
536
537 static const struct {
538 const char *name;
539 IV iv;
540 } *civ, const_iv[] = {
541 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
542 const_iv (DNS_, ERR_NONE)
543 const_iv (DNS_, ERR_FORMAT)
544 const_iv (DNS_, ERR_SERVERFAILED)
545 const_iv (DNS_, ERR_NOTEXIST)
546 const_iv (DNS_, ERR_NOTIMPL)
547 const_iv (DNS_, ERR_REFUSED)
548 const_iv (DNS_, ERR_TRUNCATED)
549 const_iv (DNS_, ERR_UNKNOWN)
550 const_iv (DNS_, ERR_TIMEOUT)
551 const_iv (DNS_, ERR_SHUTDOWN)
552 const_iv (DNS_, IPv4_A)
553 const_iv (DNS_, PTR)
554 const_iv (DNS_, IPv6_AAAA)
555 const_iv (DNS_, QUERY_NO_SEARCH)
556 const_iv (DNS_, OPTION_SEARCH)
557 const_iv (DNS_, OPTION_NAMESERVERS)
558 const_iv (DNS_, OPTION_MISC)
559 const_iv (DNS_, OPTIONS_ALL)
560 const_iv (DNS_, NO_SEARCH)
561 };
562
563 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
564 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
565 }
566
567 int evdns_init ()
568
569 void evdns_shutdown (int fail_requests = 1)
570
571 const char *evdns_err_to_string (int err)
572
573 int evdns_nameserver_add (U32 address)
574
575 int evdns_count_nameservers ()
576
577 int evdns_clear_nameservers_and_suspend ()
578
579 int evdns_resume ()
580
581 int evdns_nameserver_ip_add (char *ip_as_string)
582
583 int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)
584 C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
585
586 int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)
587 C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
588
589 int evdns_resolve_reverse (SV *addr, int flags, SV *cb)
590 ALIAS:
591 evdns_resolve_reverse_ipv6 = 1
592 CODE:
593 {
594 STRLEN len;
595 char *data = SvPVbyte (addr, len);
596 if (len != (ix ? 16 : 4))
597 croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
598
599 RETVAL = ix
600 ? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
601 : evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
602 }
603 OUTPUT:
604 RETVAL
605
606 int evdns_set_option (char *option, char *val, int flags)
607
608 int evdns_resolv_conf_parse (int flags, const char *filename)
609
610 #ifdef MS_WINDOWS
611
612 int evdns_config_windows_nameservers ()
613
614 #endif
615
616 void evdns_search_clear ()
617
618 void evdns_search_add (char *domain)
619
620 void evdns_search_ndots_set (int ndots)
621
622
623 MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
624
625 BOOT:
626 {
627 HV *stash = gv_stashpv ("EV::HTTP", 1);
628
629 static const struct {
630 const char *name;
631 IV iv;
632 } *civ, const_iv[] = {
633 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
634 const_iv (HTTP_, OK)
635 const_iv (HTTP_, NOCONTENT)
636 const_iv (HTTP_, MOVEPERM)
637 const_iv (HTTP_, MOVETEMP)
638 const_iv (HTTP_, NOTMODIFIED)
639 const_iv (HTTP_, BADREQUEST)
640 const_iv (HTTP_, NOTFOUND)
641 const_iv (HTTP_, SERVUNAVAIL)
642 const_iv (EVHTTP_, REQ_OWN_CONNECTION)
643 const_iv (EVHTTP_, PROXY_REQUEST)
644 const_iv (EVHTTP_, REQ_GET)
645 const_iv (EVHTTP_, REQ_POST)
646 const_iv (EVHTTP_, REQ_HEAD)
647 const_iv (EVHTTP_, REQUEST)
648 const_iv (EVHTTP_, RESPONSE)
649 };
650
651 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
652 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
653 }
654
655 MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
656
657 #HttpRequest new (SV *klass, SV *cb)
658
659 #void DESTROY (struct evhttp_request *req);
660
661 #endif
662
663
664
665
666
667
668
669