1 | /* |
1 | /* |
2 | * libev simple C++ wrapper classes |
2 | * libev simple C++ wrapper classes |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2010 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
62 | { |
62 | { |
63 | UNDEF = EV_UNDEF, |
63 | UNDEF = EV_UNDEF, |
64 | NONE = EV_NONE, |
64 | NONE = EV_NONE, |
65 | READ = EV_READ, |
65 | READ = EV_READ, |
66 | WRITE = EV_WRITE, |
66 | WRITE = EV_WRITE, |
|
|
67 | #if EV_COMPAT3 |
67 | TIMEOUT = EV_TIMEOUT, |
68 | TIMEOUT = EV_TIMEOUT, |
|
|
69 | #endif |
|
|
70 | TIMER = EV_TIMER, |
68 | PERIODIC = EV_PERIODIC, |
71 | PERIODIC = EV_PERIODIC, |
69 | SIGNAL = EV_SIGNAL, |
72 | SIGNAL = EV_SIGNAL, |
70 | CHILD = EV_CHILD, |
73 | CHILD = EV_CHILD, |
71 | STAT = EV_STAT, |
74 | STAT = EV_STAT, |
72 | IDLE = EV_IDLE, |
75 | IDLE = EV_IDLE, |
… | |
… | |
74 | PREPARE = EV_PREPARE, |
77 | PREPARE = EV_PREPARE, |
75 | FORK = EV_FORK, |
78 | FORK = EV_FORK, |
76 | ASYNC = EV_ASYNC, |
79 | ASYNC = EV_ASYNC, |
77 | EMBED = EV_EMBED, |
80 | EMBED = EV_EMBED, |
78 | # undef ERROR // some systems stupidly #define ERROR |
81 | # undef ERROR // some systems stupidly #define ERROR |
79 | ERROR = EV_ERROR, |
82 | ERROR = EV_ERROR |
80 | }; |
83 | }; |
81 | |
84 | |
82 | enum |
85 | enum |
83 | { |
86 | { |
84 | AUTO = EVFLAG_AUTO, |
87 | AUTO = EVFLAG_AUTO, |
… | |
… | |
93 | PORT = EVBACKEND_PORT |
96 | PORT = EVBACKEND_PORT |
94 | }; |
97 | }; |
95 | |
98 | |
96 | enum |
99 | enum |
97 | { |
100 | { |
|
|
101 | #if EV_COMPAT3 |
98 | NONBLOCK = EVLOOP_NONBLOCK, |
102 | NONBLOCK = EVLOOP_NONBLOCK, |
99 | ONESHOT = EVLOOP_ONESHOT |
103 | ONESHOT = EVLOOP_ONESHOT, |
|
|
104 | #endif |
|
|
105 | NOWAIT = EVRUN_NOWAIT, |
|
|
106 | ONCE = EVRUN_ONCE |
100 | }; |
107 | }; |
101 | |
108 | |
102 | enum how_t |
109 | enum how_t |
103 | { |
110 | { |
104 | ONE = EVUNLOOP_ONE, |
111 | ONE = EVBREAK_ONE, |
105 | ALL = EVUNLOOP_ALL |
112 | ALL = EVBREAK_ALL |
106 | }; |
113 | }; |
107 | |
114 | |
108 | struct bad_loop |
115 | struct bad_loop |
109 | #if EV_USE_STDEXCEPT |
116 | #if EV_USE_STDEXCEPT |
110 | : std::runtime_error |
117 | : std::runtime_error |
… | |
… | |
186 | { |
193 | { |
187 | return EV_AX == ev_default_loop (0); |
194 | return EV_AX == ev_default_loop (0); |
188 | } |
195 | } |
189 | #endif |
196 | #endif |
190 | |
197 | |
|
|
198 | #if EV_COMPAT3 |
191 | void loop (int flags = 0) |
199 | void loop (int flags = 0) |
192 | { |
200 | { |
193 | ev_loop (EV_AX_ flags); |
201 | ev_run (EV_AX_ flags); |
194 | } |
202 | } |
195 | |
203 | |
196 | void unloop (how_t how = ONE) throw () |
204 | void unloop (how_t how = ONE) throw () |
197 | { |
205 | { |
198 | ev_unloop (EV_AX_ how); |
206 | ev_break (EV_AX_ how); |
|
|
207 | } |
|
|
208 | #endif |
|
|
209 | |
|
|
210 | void run (int flags = 0) |
|
|
211 | { |
|
|
212 | ev_run (EV_AX_ flags); |
|
|
213 | } |
|
|
214 | |
|
|
215 | void break_loop (how_t how = ONE) throw () |
|
|
216 | { |
|
|
217 | ev_break (EV_AX_ how); |
199 | } |
218 | } |
200 | |
219 | |
201 | void post_fork () throw () |
220 | void post_fork () throw () |
202 | { |
221 | { |
203 | #if EV_MULTIPLICITY |
|
|
204 | ev_loop_fork (EV_AX); |
222 | ev_loop_fork (EV_AX); |
205 | #else |
|
|
206 | ev_default_fork (); |
|
|
207 | #endif |
|
|
208 | } |
|
|
209 | |
|
|
210 | unsigned int count () const throw () |
|
|
211 | { |
|
|
212 | return ev_loop_count (EV_AX); |
|
|
213 | } |
223 | } |
214 | |
224 | |
215 | unsigned int backend () const throw () |
225 | unsigned int backend () const throw () |
216 | { |
226 | { |
217 | return ev_backend (EV_AX); |
227 | return ev_backend (EV_AX); |
… | |
… | |
230 | void unref () throw () |
240 | void unref () throw () |
231 | { |
241 | { |
232 | ev_unref (EV_AX); |
242 | ev_unref (EV_AX); |
233 | } |
243 | } |
234 | |
244 | |
|
|
245 | #if EV_FEATURE_API |
|
|
246 | unsigned int iteration () const throw () |
|
|
247 | { |
|
|
248 | return ev_iteration (EV_AX); |
|
|
249 | } |
|
|
250 | |
|
|
251 | unsigned int depth () const throw () |
|
|
252 | { |
|
|
253 | return ev_depth (EV_AX); |
|
|
254 | } |
|
|
255 | |
235 | void set_io_collect_interval (tstamp interval) throw () |
256 | void set_io_collect_interval (tstamp interval) throw () |
236 | { |
257 | { |
237 | ev_set_io_collect_interval (EV_AX_ interval); |
258 | ev_set_io_collect_interval (EV_AX_ interval); |
238 | } |
259 | } |
239 | |
260 | |
240 | void set_timeout_collect_interval (tstamp interval) throw () |
261 | void set_timeout_collect_interval (tstamp interval) throw () |
241 | { |
262 | { |
242 | ev_set_timeout_collect_interval (EV_AX_ interval); |
263 | ev_set_timeout_collect_interval (EV_AX_ interval); |
243 | } |
264 | } |
|
|
265 | #endif |
244 | |
266 | |
245 | // function callback |
267 | // function callback |
246 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw () |
268 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw () |
247 | { |
269 | { |
248 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
270 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
… | |
… | |
366 | #else |
388 | #else |
367 | !ev_default_loop (flags) |
389 | !ev_default_loop (flags) |
368 | #endif |
390 | #endif |
369 | ) |
391 | ) |
370 | throw bad_loop (); |
392 | throw bad_loop (); |
371 | } |
|
|
372 | |
|
|
373 | ~default_loop () throw () |
|
|
374 | { |
|
|
375 | ev_default_destroy (); |
|
|
376 | } |
393 | } |
377 | |
394 | |
378 | private: |
395 | private: |
379 | default_loop (const default_loop &); |
396 | default_loop (const default_loop &); |
380 | default_loop &operator = (const default_loop &); |
397 | default_loop &operator = (const default_loop &); |
… | |
… | |
406 | struct base : ev_watcher |
423 | struct base : ev_watcher |
407 | { |
424 | { |
408 | #if EV_MULTIPLICITY |
425 | #if EV_MULTIPLICITY |
409 | EV_PX; |
426 | EV_PX; |
410 | |
427 | |
|
|
428 | // loop set |
411 | void set (EV_P) throw () |
429 | void set (EV_P) throw () |
412 | { |
430 | { |
413 | this->EV_A = EV_A; |
431 | this->EV_A = EV_A; |
414 | } |
432 | } |
415 | #endif |
433 | #endif |
… | |
… | |
471 | } |
489 | } |
472 | |
490 | |
473 | template<class K, void (K::*method)()> |
491 | template<class K, void (K::*method)()> |
474 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
492 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
475 | { |
493 | { |
476 | static_cast<K *>(w->data)->*method |
494 | (static_cast<K *>(w->data)->*method) |
477 | (); |
495 | (); |
478 | } |
496 | } |
479 | |
497 | |
480 | void operator ()(int events = EV_UNDEF) |
498 | void operator ()(int events = EV_UNDEF) |
481 | { |
499 | { |
… | |
… | |
635 | |
653 | |
636 | void again () throw () |
654 | void again () throw () |
637 | { |
655 | { |
638 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
656 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
639 | } |
657 | } |
|
|
658 | |
|
|
659 | ev_tstamp remaining () |
|
|
660 | { |
|
|
661 | return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this)); |
|
|
662 | } |
640 | EV_END_WATCHER (timer, timer) |
663 | EV_END_WATCHER (timer, timer) |
641 | |
664 | |
642 | #if EV_PERIODIC_ENABLE |
665 | #if EV_PERIODIC_ENABLE |
643 | EV_BEGIN_WATCHER (periodic, periodic) |
666 | EV_BEGIN_WATCHER (periodic, periodic) |
644 | void set (ev_tstamp at, ev_tstamp interval = 0.) throw () |
667 | void set (ev_tstamp at, ev_tstamp interval = 0.) throw () |
… | |
… | |
660 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
683 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
661 | } |
684 | } |
662 | EV_END_WATCHER (periodic, periodic) |
685 | EV_END_WATCHER (periodic, periodic) |
663 | #endif |
686 | #endif |
664 | |
687 | |
|
|
688 | #if EV_SIGNAL_ENABLE |
665 | EV_BEGIN_WATCHER (sig, signal) |
689 | EV_BEGIN_WATCHER (sig, signal) |
666 | void set (int signum) throw () |
690 | void set (int signum) throw () |
667 | { |
691 | { |
668 | int active = is_active (); |
692 | int active = is_active (); |
669 | if (active) stop (); |
693 | if (active) stop (); |
… | |
… | |
675 | { |
699 | { |
676 | set (signum); |
700 | set (signum); |
677 | start (); |
701 | start (); |
678 | } |
702 | } |
679 | EV_END_WATCHER (sig, signal) |
703 | EV_END_WATCHER (sig, signal) |
|
|
704 | #endif |
680 | |
705 | |
|
|
706 | #if EV_CHILD_ENABLE |
681 | EV_BEGIN_WATCHER (child, child) |
707 | EV_BEGIN_WATCHER (child, child) |
682 | void set (int pid, int trace = 0) throw () |
708 | void set (int pid, int trace = 0) throw () |
683 | { |
709 | { |
684 | int active = is_active (); |
710 | int active = is_active (); |
685 | if (active) stop (); |
711 | if (active) stop (); |
… | |
… | |
691 | { |
717 | { |
692 | set (pid, trace); |
718 | set (pid, trace); |
693 | start (); |
719 | start (); |
694 | } |
720 | } |
695 | EV_END_WATCHER (child, child) |
721 | EV_END_WATCHER (child, child) |
|
|
722 | #endif |
696 | |
723 | |
697 | #if EV_STAT_ENABLE |
724 | #if EV_STAT_ENABLE |
698 | EV_BEGIN_WATCHER (stat, stat) |
725 | EV_BEGIN_WATCHER (stat, stat) |
699 | void set (const char *path, ev_tstamp interval = 0.) throw () |
726 | void set (const char *path, ev_tstamp interval = 0.) throw () |
700 | { |
727 | { |
… | |
… | |
716 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
743 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
717 | } |
744 | } |
718 | EV_END_WATCHER (stat, stat) |
745 | EV_END_WATCHER (stat, stat) |
719 | #endif |
746 | #endif |
720 | |
747 | |
|
|
748 | #if EV_IDLE_ENABLE |
721 | EV_BEGIN_WATCHER (idle, idle) |
749 | EV_BEGIN_WATCHER (idle, idle) |
722 | void set () throw () { } |
750 | void set () throw () { } |
723 | EV_END_WATCHER (idle, idle) |
751 | EV_END_WATCHER (idle, idle) |
|
|
752 | #endif |
724 | |
753 | |
|
|
754 | #if EV_PREPARE_ENABLE |
725 | EV_BEGIN_WATCHER (prepare, prepare) |
755 | EV_BEGIN_WATCHER (prepare, prepare) |
726 | void set () throw () { } |
756 | void set () throw () { } |
727 | EV_END_WATCHER (prepare, prepare) |
757 | EV_END_WATCHER (prepare, prepare) |
|
|
758 | #endif |
728 | |
759 | |
|
|
760 | #if EV_CHECK_ENABLE |
729 | EV_BEGIN_WATCHER (check, check) |
761 | EV_BEGIN_WATCHER (check, check) |
730 | void set () throw () { } |
762 | void set () throw () { } |
731 | EV_END_WATCHER (check, check) |
763 | EV_END_WATCHER (check, check) |
|
|
764 | #endif |
732 | |
765 | |
733 | #if EV_EMBED_ENABLE |
766 | #if EV_EMBED_ENABLE |
734 | EV_BEGIN_WATCHER (embed, embed) |
767 | EV_BEGIN_WATCHER (embed, embed) |
735 | void set (struct ev_loop *embedded_loop) throw () |
768 | void set (struct ev_loop *embedded_loop) throw () |
736 | { |
769 | { |
… | |
… | |
759 | EV_END_WATCHER (fork, fork) |
792 | EV_END_WATCHER (fork, fork) |
760 | #endif |
793 | #endif |
761 | |
794 | |
762 | #if EV_ASYNC_ENABLE |
795 | #if EV_ASYNC_ENABLE |
763 | EV_BEGIN_WATCHER (async, async) |
796 | EV_BEGIN_WATCHER (async, async) |
764 | void set () throw () { } |
|
|
765 | |
|
|
766 | void send () throw () |
797 | void send () throw () |
767 | { |
798 | { |
768 | ev_async_send (EV_A_ static_cast<ev_async *>(this)); |
799 | ev_async_send (EV_A_ static_cast<ev_async *>(this)); |
769 | } |
800 | } |
770 | |
801 | |