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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.72 by root, Mon May 28 05:24:07 2007 UTC vs.
Revision 1.132 by root, Wed Dec 5 19:03:26 2018 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
5 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6 *
7 * Deliantra is free software: you can redistribute it and/or modify it under
8 * the terms of the Affero GNU General Public License as published by the
9 * Free Software Foundation, either version 3 of the License, or (at your
10 * option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the Affero GNU General Public License
18 * and the GNU General Public License along with this program. If not, see
19 * <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */
23
1// 24//
2// cfperl.h perl interface 25// cfperl.h perl interface
3// 26//
4#ifndef CFPERL_H__ 27#ifndef CFPERL_H__
5#define CFPERL_H__ 28#define CFPERL_H__
6 29
7#include <cstdarg>
8#include <cstdio>
9#include <bitset>
10
11using namespace std; 30using namespace std;
12 31
13#include <EXTERN.h> 32#include <EXTERN.h>
14#include <perl.h> 33#include <perl.h>
15#include <XSUB.h> 34#include <XSUB.h>
16 35
17#include <EventAPI.h> 36#include <EVAPI.h>
18#include <CoroAPI.h> 37#include <CoroAPI.h>
19 38
20#include "util.h" 39#include "util.h"
21#include "keyword.h" 40#include "keyword.h"
22#include "dynbuf.h" 41#include "dynbuf.h"
… …
27// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 46// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
28#undef localtime 47#undef localtime
29#undef srand48 48#undef srand48
30#undef drand48 49#undef drand48
31#undef srandom 50#undef srandom
51#undef opendir
32#undef readdir 52#undef readdir
53#undef closedir
33#undef getprotobyname 54#undef getprotobyname
34#undef gethostbyname 55#undef gethostbyname
35#undef ctime 56#undef ctime
36#undef strerror 57#undef strerror
58#undef _
37 59
38// same here, massive symbol spamming 60// same here, massive symbol spamming
39#undef do_open 61#undef do_open
40#undef do_close 62#undef do_close
41#undef ref 63#undef ref
… …
46#undef random 68#undef random
47#undef crypt 69#undef crypt
48 70
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 71//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50 72
73#define _(msg) (msg)
74#define N_(msg) (msg)
75
76//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
77
51// some macros to simplify perl in-calls 78// some macros to simplify perl in-calls
52 79
53#define CHECK_ERROR \ 80#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \ 81 if (SvTRUE (ERRSV)) \
55 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 82 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
56 83
84inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
85inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
86
87// TODO: temporarily enabled pushstack/popstack for all calls from the core, to maybe fix object memleak?
88#define CALL_PUSH PUSHSTACKi (PERLSI_UNKNOWN)
89#define CALL_POP PUTBACK; POPSTACK; SPAGAIN
57#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 90#define CALL_BEGIN(args) dSP; CALL_PUSH; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
58#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 91#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
59#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 92#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
60#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; 93#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
61#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 94#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP
62 95
63////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
64 97
65void cfperl_init (); 98void cfperl_init ();
66void cfperl_main (); 99void cfperl_main ();
100void cfperl_tick ();
67void cfperl_emergency_save (); 101void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 102void cfperl_cleanup (int make_core);
69void cfperl_make_book (object *book, int level); 103void cfperl_make_book (object *book, int level);
104void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg);
105int cfperl_can_merge (object *ob1, object *ob2);
106void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
107void cfperl_ix (client *ns, int set, faceidx idx, int pri);
70 108
71////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 109bool is_match_expr (const_utf8_string expr);
110// applies the match expression and returns true if it matches
111bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
112// same as above, but returns the first object found, or 0
113object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
72 114
115//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
116
117#if IVSIZE >= 8
118 typedef IV val64;
119 typedef IV uval64;
120# define newSVval64 newSViv
121# define SvVAL64 SvIV
122# define newSVuval64 newSVuv
123# define SvUVAL64 SvUV
124#else
125 typedef double val64;
126 typedef double uval64;
127# define newSVval64 newSVnv
128# define SvVAL64 SvNV
129# define newSVuval64 newSVnv
130# define SvUVAL64 SvNV
131#endif
132
73// virtual server time, excluding time jumps and lag 133extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 134extern tstamp NOW; // real time of current server tick
135
136ecb_noinline utf8_string cfSvPVutf8_nolen (SV *sv);
75 137
76enum event_klass 138enum event_klass
77{ 139{
78 KLASS_NONE, 140 KLASS_NONE,
79 KLASS_GLOBAL, 141 KLASS_GLOBAL,
… …
110#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 172#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
111#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 173#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
112#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 174#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
113 175
114// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 176// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
115#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0) 177#define INVOKE(obj,event, ...) (ecb_expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
116#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 178#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
117#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__) 179#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
118#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__) 180#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
119#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__) 181#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
120#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__) 182#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
… …
129int cfperl_result_INT (int idx); 191int cfperl_result_INT (int idx);
130 192
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 193//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 194
133INTERFACE_CLASS (attachable) 195INTERFACE_CLASS (attachable)
134struct attachable 196struct attachable : refcnt_base
135{ 197{
136 static MGVTBL vtbl; 198 static MGVTBL vtbl;
137
138 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals ();
140 199
141 enum { 200 enum {
142 F_DESTROYED = 0x01, 201 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 202 F_DEBUG_TRACE = 0x02,
144 }; 203 };
204 uint8 ACC (RW, attachable_flags);
205
206 static unordered_vector<attachable *> mortals;
207 MTH static void check_mortals ();
145 208
146 // object is delete'd after the refcount reaches 0 209 // object is delete'd after the refcount reaches 0
147 int ACC (RW, flags);
148 mutable int ACC (RW, refcnt);
149
150 MTH void refcnt_inc () const { ++refcnt; }
151 MTH void refcnt_dec () const { --refcnt; }
152
153 MTH int refcnt_cnt () const; 210 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 211 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 212 MTH void refcnt_chk () { if (ecb_expect_false (refcnt <= 0)) do_check (); }
156 213
157 // destroy the object unless it was already destroyed 214 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 215 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 216 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 217 MTH void destroy ();
161 218
162 // return wether an object was destroyed already 219 // return wether an object was destroyed already
163 MTH bool destroyed () const { return flags & F_DESTROYED; } 220 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
221
222 // destruct and free the memory for this object
223 virtual void do_delete ();
164 224
165 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 225 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
166 226
167#if 0 227#if 0
168private: 228private:
… …
176 236
177 void sever_self (); // sever this object from its self, if it has one. 237 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 238 void optimise (); // possibly save some memory by destroying unneeded data
179 239
180 attachable () 240 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 241 : attachable_flags (0), self (0), cb (0), attach (0)
182 { 242 {
183 } 243 }
184 244
185 attachable (const attachable &src) 245 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 246 : attachable_flags (0), self (0), cb (0), attach (src.attach)
187 { 247 {
188 } 248 }
189 249
190 virtual ~attachable (); 250 // set a custom key to the given value, or delete it if value = 0
251 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
252
253 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
254 {
255 set_key (key, value, 1);
256 }
257
258 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
259 {
260 set_key (key, value, 0);
261 }
191 262
192 attachable &operator =(const attachable &src); 263 attachable &operator =(const attachable &src);
193 264
194 // used to _quickly_ device wether to shortcut the evaluation 265 // used to _quickly_ decide wether to shortcut the evaluation
195 bool should_invoke (event_type event) 266 bool should_invoke (event_type event)
196 { 267 {
197 return ev_want_event [event] || cb; 268 return ev_want_event [event] || cb;
198 } 269 }
199 270
… …
206 // do the real refcount checking work 277 // do the real refcount checking work
207 void do_check (); 278 void do_check ();
208 279
209 // the method that does the real destroy work 280 // the method that does the real destroy work
210 virtual void do_destroy (); 281 virtual void do_destroy ();
282
283 // destructor is protected, should not be called by anybody
284 virtual ~attachable ();
211}; 285};
212 286
213// the global object is a pseudo object that cares for the global events 287// the global object is a pseudo object that cares for the global events
214struct global : attachable 288struct global : attachable
215{ 289{
… …
218 292
219extern struct global gbl_ev; 293extern struct global gbl_ev;
220 294
221////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 295//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222 296
223struct object_freezer : dynbuf_text 297#include "freezethaw.h"
224{
225 AV *av;
226
227 object_freezer ();
228 ~object_freezer ();
229
230 void put (attachable *ext);
231
232 // used only for user-defined key-value pairs
233 void put (const shstr &k, const shstr &v)
234 {
235 add (k);
236
237 if (expect_true (v))
238 add (' '), add (v);
239
240 add ('\n');
241 }
242
243 template<typename T>
244 void put_string (keyword k, const T &v)
245 {
246 int klen = keyword_len [k];
247 int vlen = v ? strlen (v) + 1 : 0;
248
249 char *p = (char *)alloc (klen + vlen + 1);
250
251 memcpy (p, keyword_str [k], klen); p += klen;
252
253 if (expect_true (v))
254 {
255 *p++ = ' '; vlen--;
256 memcpy (p, v, vlen); p += vlen;
257 }
258
259 *p = '\n';
260 }
261
262 void put (keyword k, const char *v = 0)
263 {
264 put_string (k, v);
265 }
266
267 void put (keyword k, const shstr &v)
268 {
269 put_string (k, v);
270 }
271
272 void put (keyword k, double v)
273 {
274 force (MAX_KEYWORD_LEN + 2 + 32);
275 fadd (keyword_str [k], keyword_len [k]);
276 fadd (' ');
277 falloc (sprintf (ptr, "%.7g", v));
278 fadd ('\n');
279 }
280
281 void put_(keyword k, sint64 v)
282 {
283 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
284 fadd (keyword_str [k], keyword_len [k]);
285 fadd (' ');
286 add (v);
287 fadd ('\n');
288 }
289
290 void put_(keyword k, sint32 v)
291 {
292 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
293 fadd (keyword_str [k], keyword_len [k]);
294 fadd (' ');
295 add (v);
296 fadd ('\n');
297 }
298
299 void put (keyword k, float v) { put (k, (double)v); }
300 void put (keyword k, signed char v) { put_(k, (sint32)v); }
301 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
302 void put (keyword k, signed short v) { put_(k, (sint32)v); }
303 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
304 void put (keyword k, signed int v) { put_(k, (sint32)v); }
305 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
306 void put (keyword k, signed long v) { put_(k, (sint64)v); }
307 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
308 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
309 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
310
311 void put (keyword kbeg, keyword kend, const shstr &v)
312 {
313 force (MAX_KEYWORD_LEN + 1);
314 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
315
316 if (expect_true (v))
317 {
318 add (v);
319 add ('\n');
320 }
321
322 force (MAX_KEYWORD_LEN + 1);
323 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
324 }
325
326 template<typename T>
327 void put (keyword k, const T *v)
328 {
329 if (v)
330 put (k, v->name);
331 else
332 put (k, (const char *)0);
333 }
334
335 template<typename T>
336 void put (keyword k, const refptr<T> &v)
337 {
338 put (k, (T *)v);
339 }
340
341 bool save (const char *path);
342 char *as_string (); // like strdup
343
344 operator bool () { return !!av; }
345};
346
347struct object_thawer
348{
349 char *line; // current beginning of line
350 SV *text; // text part
351 AV *av; // perl part
352 int linenum;
353 keyword kw;
354 char *kw_str; // the keyword parsed, as string
355 char *value; // the value, or 0 if no value
356 char *value_nn; // the value, or the empty string if no value
357 const char *name;
358
359 operator bool () { return !!text; }
360
361 object_thawer (const char *path = 0);
362 object_thawer (const char *data, AV *perlav);
363 ~object_thawer ();
364
365 void get (attachable *obj, int oid);
366
367 // parse next line
368 void next ();
369 // skip the current key-value (usually fetch next line, for
370 // multiline-fields, skips untilt he corresponding end-kw
371 void skip ();
372
373 //TODO: remove, deprecated
374 keyword get_kv ()
375 {
376 next ();
377 return kw;
378 }
379
380 char *get_str () { return value; } // may be 0
381 void get_ml (keyword kend, shstr &sh);
382
383 void get_ornull (shstr &sh) const { sh = value; }
384 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
385
386 bool get_bool () const { return *value_nn == '1'; }
387 sint32 get_sint32 () const;
388 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
389 double get_double () const { return strtod (value_nn, 0); }
390
391 void get (float &v) { v = get_double (); }
392 void get (double &v) { v = get_double (); }
393
394 void get (bool &i) { i = get_bool (); }
395 void get (sint8 &i) { i = get_sint32 (); }
396 void get (uint8 &i) { i = get_sint32 (); }
397 void get (sint16 &i) { i = get_sint32 (); }
398 void get (uint16 &i) { i = get_sint32 (); }
399 void get (sint32 &i) { i = get_sint32 (); }
400
401 void get (uint32 &i) { i = get_sint64 (); }
402 void get (sint64 &i) { i = get_sint64 (); }
403
404 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
405};
406
407//TODO: remove
408char *fgets (char *s, int n, object_thawer &thawer);
409 298
410////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 299//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
411 300
412struct coroapi { 301struct coroapi {
413 static struct CoroAPI *GCoroAPI; 302 static struct CoroAPI *GCoroAPI;
414 303
304 static EV_ATOMIC_T cede_pending;
305
415 static int nready () { return CORO_NREADY; } 306 static int nready () { return CORO_NREADY; }
416 static int cede () { return CORO_CEDE ; } 307 static int cede () { cede_pending = 0; return CORO_CEDE ; }
417 308
418 static double (*time)();
419 static double next_cede;
420 static int cede_counter;
421
422 static void do_cede_every ();
423 static void do_cede_to_tick (); 309 static void do_cede_to_tick ();
424 static void do_cede_to_tick_every ();
425 310
426 static void cede_every (int count) 311 // actually cede's far more often
427 {
428 if (expect_false (++cede_counter >= count))
429 do_cede_every ();
430 }
431
432 static void cede_to_tick () 312 static bool cede_to_tick ()
433 { 313 {
434 if (expect_false (time () >= next_cede)) 314 if (ecb_expect_true (!cede_pending))
315 return false;
316
435 do_cede_to_tick (); 317 do_cede_to_tick ();
436 } 318 return true;
437
438 static void cede_to_tick_every (int count)
439 {
440 if (expect_false (++cede_counter >= count))
441 cede_to_tick ();
442 } 319 }
443 320
444 static void wait_for_tick (); 321 static void wait_for_tick ();
445 static void wait_for_tick_begin (); 322 static void wait_for_tick_begin ();
446}; 323};
447 324
448struct watcher_base 325struct evapi
449{ 326{
450 static struct EventAPI *GEventAPI; 327 static struct EVAPI *GEVAPI;
451}; 328};
452 329
453template<class base>
454struct watcher : watcher_base
455{
456 base *pe;
457
458 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
459 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
460 void now () { GEventAPI->now ((pe_watcher *)pe); }
461 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
462 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
463
464 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
465
466 ~watcher ()
467 {
468 cancel ();
469 }
470
471private:
472 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
473};
474
475struct iw : watcher<pe_idle>, callback<void (iw &)>
476{
477 template<class O, class M>
478 iw (O object, M method)
479 : callback<void (iw &)> (object, method)
480 {
481 alloc ();
482 }
483
484private:
485 void alloc ();
486};
487
488struct iow : watcher<pe_io>, callback<void (iow &, int)> 330struct iow : ev_io, evapi, callback<void (iow &, int)>
489{ 331{
332 static void thunk (EV_P_ struct ev_io *w_, int revents)
333 {
334 iow &w = *static_cast<iow *>(w_);
335
336 w (w, revents);
337 }
338
490 template<class O, class M> 339 template<class O, class M>
491 iow (O object, M method) 340 iow (O object, M method)
492 : callback<void (iow &, int)> (object, method) 341 : callback<void (iow &, int)> (object, method)
493 { 342 {
494 alloc (); 343 ev_init ((ev_io *)this, thunk);
495 } 344 }
496 345
497 void fd (int fd); 346 void prio (int prio)
498 int poll (); 347 {
348 ev_set_priority ((ev_io *)this, prio);
349 }
350
351 void set (int fd, int events)
352 {
353 ev_io_set ((ev_io *)this, fd, events);
354 }
355
356 int poll () const { return events; }
357
499 void poll (int events); 358 void poll (int events);
500 359
501private: 360 void start ()
502 void alloc (); 361 {
362 ev_io_start (EV_DEFAULT, (ev_io *)this);
363 }
364
365 void stop ()
366 {
367 ev_io_stop (EV_DEFAULT, (ev_io *)this);
368 }
369
370 ~iow ()
371 {
372 stop ();
373 }
374};
375
376struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
377{
378 static void thunk (EV_P_ struct ev_async *w_, int revents)
379 {
380 asyncw &w = *static_cast<asyncw *>(w_);
381
382 w (w, revents);
383 }
384
385 template<class O, class M>
386 asyncw (O object, M method)
387 : callback<void (asyncw &, int)> (object, method)
388 {
389 ev_init ((ev_async *)this, thunk);
390 }
391
392 void start ()
393 {
394 ev_async_start (EV_DEFAULT, (ev_async *)this);
395 }
396
397 void stop ()
398 {
399 ev_async_stop (EV_DEFAULT, (ev_async *)this);
400 }
401
402 ~asyncw ()
403 {
404 stop ();
405 }
503}; 406};
504 407
505#endif 408#endif
506 409

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