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 | * |
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56 | |
56 | |
57 | namespace ev { |
57 | namespace ev { |
58 | |
58 | |
59 | typedef ev_tstamp tstamp; |
59 | typedef ev_tstamp tstamp; |
60 | |
60 | |
61 | enum |
61 | enum { |
62 | { |
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63 | UNDEF = EV_UNDEF, |
62 | UNDEF = EV_UNDEF, |
64 | NONE = EV_NONE, |
63 | NONE = EV_NONE, |
65 | READ = EV_READ, |
64 | READ = EV_READ, |
66 | WRITE = EV_WRITE, |
65 | WRITE = EV_WRITE, |
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66 | #if EV_COMPAT3 |
67 | TIMEOUT = EV_TIMEOUT, |
67 | TIMEOUT = EV_TIMEOUT, |
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68 | #endif |
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69 | TIMER = EV_TIMER, |
68 | PERIODIC = EV_PERIODIC, |
70 | PERIODIC = EV_PERIODIC, |
69 | SIGNAL = EV_SIGNAL, |
71 | SIGNAL = EV_SIGNAL, |
70 | CHILD = EV_CHILD, |
72 | CHILD = EV_CHILD, |
71 | STAT = EV_STAT, |
73 | STAT = EV_STAT, |
72 | IDLE = EV_IDLE, |
74 | IDLE = EV_IDLE, |
… | |
… | |
74 | PREPARE = EV_PREPARE, |
76 | PREPARE = EV_PREPARE, |
75 | FORK = EV_FORK, |
77 | FORK = EV_FORK, |
76 | ASYNC = EV_ASYNC, |
78 | ASYNC = EV_ASYNC, |
77 | EMBED = EV_EMBED, |
79 | EMBED = EV_EMBED, |
78 | # undef ERROR // some systems stupidly #define ERROR |
80 | # undef ERROR // some systems stupidly #define ERROR |
79 | ERROR = EV_ERROR, |
81 | ERROR = EV_ERROR |
80 | }; |
82 | }; |
81 | |
83 | |
82 | enum |
84 | enum |
83 | { |
85 | { |
84 | AUTO = EVFLAG_AUTO, |
86 | AUTO = EVFLAG_AUTO, |
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93 | PORT = EVBACKEND_PORT |
95 | PORT = EVBACKEND_PORT |
94 | }; |
96 | }; |
95 | |
97 | |
96 | enum |
98 | enum |
97 | { |
99 | { |
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100 | #if EV_COMPAT3 |
98 | NONBLOCK = EVLOOP_NONBLOCK, |
101 | NONBLOCK = EVLOOP_NONBLOCK, |
99 | ONESHOT = EVLOOP_ONESHOT |
102 | ONESHOT = EVLOOP_ONESHOT, |
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103 | #endif |
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104 | NOWAIT = EVRUN_NOWAIT, |
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105 | ONCE = EVRUN_ONCE |
100 | }; |
106 | }; |
101 | |
107 | |
102 | enum how_t |
108 | enum how_t |
103 | { |
109 | { |
104 | ONE = EVUNLOOP_ONE, |
110 | ONE = EVBREAK_ONE, |
105 | ALL = EVUNLOOP_ALL |
111 | ALL = EVBREAK_ALL |
106 | }; |
112 | }; |
107 | |
113 | |
108 | struct bad_loop |
114 | struct bad_loop |
109 | #if EV_USE_STDEXCEPT |
115 | #if EV_USE_STDEXCEPT |
110 | : std::runtime_error |
116 | : std::runtime_error |
… | |
… | |
186 | { |
192 | { |
187 | return EV_AX == ev_default_loop (0); |
193 | return EV_AX == ev_default_loop (0); |
188 | } |
194 | } |
189 | #endif |
195 | #endif |
190 | |
196 | |
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197 | #if EV_COMPAT3 |
191 | void loop (int flags = 0) |
198 | void loop (int flags = 0) |
192 | { |
199 | { |
193 | ev_loop (EV_AX_ flags); |
200 | ev_run (EV_AX_ flags); |
194 | } |
201 | } |
195 | |
202 | |
196 | void unloop (how_t how = ONE) throw () |
203 | void unloop (how_t how = ONE) throw () |
197 | { |
204 | { |
198 | ev_unloop (EV_AX_ how); |
205 | ev_break (EV_AX_ how); |
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206 | } |
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207 | #endif |
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208 | |
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209 | void run (int flags = 0) |
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210 | { |
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211 | ev_run (EV_AX_ flags); |
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212 | } |
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213 | |
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214 | void break_loop (how_t how = ONE) throw () |
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215 | { |
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216 | ev_break (EV_AX_ how); |
199 | } |
217 | } |
200 | |
218 | |
201 | void post_fork () throw () |
219 | void post_fork () throw () |
202 | { |
220 | { |
203 | #if EV_MULTIPLICITY |
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204 | ev_loop_fork (EV_AX); |
221 | ev_loop_fork (EV_AX); |
205 | #else |
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206 | ev_default_fork (); |
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207 | #endif |
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208 | } |
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209 | |
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210 | unsigned int count () const throw () |
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211 | { |
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212 | return ev_loop_count (EV_AX); |
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213 | } |
222 | } |
214 | |
223 | |
215 | unsigned int backend () const throw () |
224 | unsigned int backend () const throw () |
216 | { |
225 | { |
217 | return ev_backend (EV_AX); |
226 | return ev_backend (EV_AX); |
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230 | void unref () throw () |
239 | void unref () throw () |
231 | { |
240 | { |
232 | ev_unref (EV_AX); |
241 | ev_unref (EV_AX); |
233 | } |
242 | } |
234 | |
243 | |
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244 | #if EV_FEATURE_API |
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245 | unsigned int iteration () const throw () |
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246 | { |
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247 | return ev_iteration (EV_AX); |
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248 | } |
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249 | |
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250 | unsigned int depth () const throw () |
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251 | { |
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252 | return ev_depth (EV_AX); |
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253 | } |
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254 | |
235 | void set_io_collect_interval (tstamp interval) throw () |
255 | void set_io_collect_interval (tstamp interval) throw () |
236 | { |
256 | { |
237 | ev_set_io_collect_interval (EV_AX_ interval); |
257 | ev_set_io_collect_interval (EV_AX_ interval); |
238 | } |
258 | } |
239 | |
259 | |
240 | void set_timeout_collect_interval (tstamp interval) throw () |
260 | void set_timeout_collect_interval (tstamp interval) throw () |
241 | { |
261 | { |
242 | ev_set_timeout_collect_interval (EV_AX_ interval); |
262 | ev_set_timeout_collect_interval (EV_AX_ interval); |
243 | } |
263 | } |
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264 | #endif |
244 | |
265 | |
245 | // function callback |
266 | // function callback |
246 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw () |
267 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw () |
247 | { |
268 | { |
248 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
269 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
… | |
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366 | #else |
387 | #else |
367 | !ev_default_loop (flags) |
388 | !ev_default_loop (flags) |
368 | #endif |
389 | #endif |
369 | ) |
390 | ) |
370 | throw bad_loop (); |
391 | throw bad_loop (); |
371 | } |
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372 | |
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373 | ~default_loop () throw () |
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374 | { |
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375 | ev_default_destroy (); |
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376 | } |
392 | } |
377 | |
393 | |
378 | private: |
394 | private: |
379 | default_loop (const default_loop &); |
395 | default_loop (const default_loop &); |
380 | default_loop &operator = (const default_loop &); |
396 | default_loop &operator = (const default_loop &); |
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406 | struct base : ev_watcher |
422 | struct base : ev_watcher |
407 | { |
423 | { |
408 | #if EV_MULTIPLICITY |
424 | #if EV_MULTIPLICITY |
409 | EV_PX; |
425 | EV_PX; |
410 | |
426 | |
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427 | // loop set |
411 | void set (EV_P) throw () |
428 | void set (EV_P) throw () |
412 | { |
429 | { |
413 | this->EV_A = EV_A; |
430 | this->EV_A = EV_A; |
414 | } |
431 | } |
415 | #endif |
432 | #endif |
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… | |
471 | } |
488 | } |
472 | |
489 | |
473 | template<class K, void (K::*method)()> |
490 | template<class K, void (K::*method)()> |
474 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
491 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
475 | { |
492 | { |
476 | static_cast<K *>(w->data)->*method |
493 | (static_cast<K *>(w->data)->*method) |
477 | (); |
494 | (); |
478 | } |
495 | } |
479 | |
496 | |
480 | void operator ()(int events = EV_UNDEF) |
497 | void operator ()(int events = EV_UNDEF) |
481 | { |
498 | { |
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635 | |
652 | |
636 | void again () throw () |
653 | void again () throw () |
637 | { |
654 | { |
638 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
655 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
639 | } |
656 | } |
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657 | |
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658 | ev_tstamp remaining () |
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659 | { |
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660 | return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this)); |
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661 | } |
640 | EV_END_WATCHER (timer, timer) |
662 | EV_END_WATCHER (timer, timer) |
641 | |
663 | |
642 | #if EV_PERIODIC_ENABLE |
664 | #if EV_PERIODIC_ENABLE |
643 | EV_BEGIN_WATCHER (periodic, periodic) |
665 | EV_BEGIN_WATCHER (periodic, periodic) |
644 | void set (ev_tstamp at, ev_tstamp interval = 0.) throw () |
666 | void set (ev_tstamp at, ev_tstamp interval = 0.) throw () |
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660 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
682 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
661 | } |
683 | } |
662 | EV_END_WATCHER (periodic, periodic) |
684 | EV_END_WATCHER (periodic, periodic) |
663 | #endif |
685 | #endif |
664 | |
686 | |
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687 | #if EV_SIGNAL_ENABLE |
665 | EV_BEGIN_WATCHER (sig, signal) |
688 | EV_BEGIN_WATCHER (sig, signal) |
666 | void set (int signum) throw () |
689 | void set (int signum) throw () |
667 | { |
690 | { |
668 | int active = is_active (); |
691 | int active = is_active (); |
669 | if (active) stop (); |
692 | if (active) stop (); |
… | |
… | |
675 | { |
698 | { |
676 | set (signum); |
699 | set (signum); |
677 | start (); |
700 | start (); |
678 | } |
701 | } |
679 | EV_END_WATCHER (sig, signal) |
702 | EV_END_WATCHER (sig, signal) |
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703 | #endif |
680 | |
704 | |
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705 | #if EV_CHILD_ENABLE |
681 | EV_BEGIN_WATCHER (child, child) |
706 | EV_BEGIN_WATCHER (child, child) |
682 | void set (int pid, int trace = 0) throw () |
707 | void set (int pid, int trace = 0) throw () |
683 | { |
708 | { |
684 | int active = is_active (); |
709 | int active = is_active (); |
685 | if (active) stop (); |
710 | if (active) stop (); |
… | |
… | |
691 | { |
716 | { |
692 | set (pid, trace); |
717 | set (pid, trace); |
693 | start (); |
718 | start (); |
694 | } |
719 | } |
695 | EV_END_WATCHER (child, child) |
720 | EV_END_WATCHER (child, child) |
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721 | #endif |
696 | |
722 | |
697 | #if EV_STAT_ENABLE |
723 | #if EV_STAT_ENABLE |
698 | EV_BEGIN_WATCHER (stat, stat) |
724 | EV_BEGIN_WATCHER (stat, stat) |
699 | void set (const char *path, ev_tstamp interval = 0.) throw () |
725 | void set (const char *path, ev_tstamp interval = 0.) throw () |
700 | { |
726 | { |
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716 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
742 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
717 | } |
743 | } |
718 | EV_END_WATCHER (stat, stat) |
744 | EV_END_WATCHER (stat, stat) |
719 | #endif |
745 | #endif |
720 | |
746 | |
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747 | #if EV_IDLE_ENABLE |
721 | EV_BEGIN_WATCHER (idle, idle) |
748 | EV_BEGIN_WATCHER (idle, idle) |
722 | void set () throw () { } |
749 | void set () throw () { } |
723 | EV_END_WATCHER (idle, idle) |
750 | EV_END_WATCHER (idle, idle) |
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751 | #endif |
724 | |
752 | |
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753 | #if EV_PREPARE_ENABLE |
725 | EV_BEGIN_WATCHER (prepare, prepare) |
754 | EV_BEGIN_WATCHER (prepare, prepare) |
726 | void set () throw () { } |
755 | void set () throw () { } |
727 | EV_END_WATCHER (prepare, prepare) |
756 | EV_END_WATCHER (prepare, prepare) |
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757 | #endif |
728 | |
758 | |
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759 | #if EV_CHECK_ENABLE |
729 | EV_BEGIN_WATCHER (check, check) |
760 | EV_BEGIN_WATCHER (check, check) |
730 | void set () throw () { } |
761 | void set () throw () { } |
731 | EV_END_WATCHER (check, check) |
762 | EV_END_WATCHER (check, check) |
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763 | #endif |
732 | |
764 | |
733 | #if EV_EMBED_ENABLE |
765 | #if EV_EMBED_ENABLE |
734 | EV_BEGIN_WATCHER (embed, embed) |
766 | EV_BEGIN_WATCHER (embed, embed) |
735 | void set (struct ev_loop *embedded_loop) throw () |
767 | void set (struct ev_loop *embedded_loop) throw () |
736 | { |
768 | { |
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759 | EV_END_WATCHER (fork, fork) |
791 | EV_END_WATCHER (fork, fork) |
760 | #endif |
792 | #endif |
761 | |
793 | |
762 | #if EV_ASYNC_ENABLE |
794 | #if EV_ASYNC_ENABLE |
763 | EV_BEGIN_WATCHER (async, async) |
795 | EV_BEGIN_WATCHER (async, async) |
764 | void set () throw () { } |
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765 | |
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766 | void send () throw () |
796 | void send () throw () |
767 | { |
797 | { |
768 | ev_async_send (EV_A_ static_cast<ev_async *>(this)); |
798 | ev_async_send (EV_A_ static_cast<ev_async *>(this)); |
769 | } |
799 | } |
770 | |
800 | |