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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.37 by root, Fri Dec 15 19:59:19 2006 UTC vs.
Revision 1.128 by root, Sun Nov 11 05:53:12 2012 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 *
6 * Deliantra is free software: you can redistribute it and/or modify it under
7 * the terms of the Affero GNU General Public License as published by the
8 * Free Software Foundation, either version 3 of the License, or (at your
9 * option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the Affero GNU General Public License
17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
19 *
20 * The authors can be reached via e-mail to <support@deliantra.net>
21 */
22
1// 23//
2// cfperl.h perl interface 24// cfperl.h perl interface
3// 25//
4#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
5#define CFPERL_H__ 27#define CFPERL_H__
6 28
7#include <cstdio>
8
9using namespace std; 29using namespace std;
10 30
11#include <EXTERN.h> 31#include <EXTERN.h>
12#include <perl.h> 32#include <perl.h>
13#include <XSUB.h> 33#include <XSUB.h>
14 34
15#include <EventAPI.h> 35#include <EVAPI.h>
36#include <CoroAPI.h>
16 37
38#include "util.h"
39#include "keyword.h"
40#include "dynbuf.h"
17#include "callback.h" 41#include "callback.h"
42
43//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
18 44
19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 45// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
20#undef localtime 46#undef localtime
21#undef srand48 47#undef srand48
22#undef drand48 48#undef drand48
23#undef srandom 49#undef srandom
50#undef opendir
24#undef readdir 51#undef readdir
52#undef closedir
25#undef getprotobyname 53#undef getprotobyname
26#undef gethostbyname 54#undef gethostbyname
27#undef ctime 55#undef ctime
28#undef strerror 56#undef strerror
57#undef _
58
59// same here, massive symbol spamming
60#undef do_open
61#undef do_close
62#undef ref
63#undef seed
29 64
30// perl bug #40256: perl does overwrite those with reentrant versions 65// perl bug #40256: perl does overwrite those with reentrant versions
31// but does not initialise their state structures. 66// but does not initialise their state structures.
32#undef random 67#undef random
33#undef crypt 68#undef crypt
34 69
70//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
71
72#define _(msg) (msg)
73#define N_(msg) (msg)
74
75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
76
77// some macros to simplify perl in-calls
78
79#define CHECK_ERROR \
80 if (SvTRUE (ERRSV)) \
81 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
82
83inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
84inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
85
86// TODO: temporarily enabled pushstack/popstack for all calls from the core, to maybe fix object memleak?
87#define CALL_PUSH PUSHSTACKi (PERLSI_UNKNOWN)
88#define CALL_POP PUTBACK; POPSTACK; SPAGAIN
89#define CALL_BEGIN(args) dSP; CALL_PUSH; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
90#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
91#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
92#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
93#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP
94
95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
96
35void cfperl_init (); 97void cfperl_init ();
36void cfperl_main (); 98void cfperl_main ();
99void cfperl_tick ();
100void cfperl_emergency_save ();
101void cfperl_cleanup (int make_core);
102void cfperl_make_book (object *book, int level);
103void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg);
104int cfperl_can_merge (object *ob1, object *ob2);
105void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
106void cfperl_ix (client *ns, int set, faceidx idx, int pri);
107
108bool is_match_expr (const_utf8_string expr);
109// applies the match expression and returns true if it matches
110bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
111// same as above, but returns the first object found, or 0
112object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
113
114//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
115
116#if IVSIZE >= 8
117 typedef IV val64;
118 typedef IV uval64;
119# define newSVval64 newSViv
120# define SvVAL64 SvIV
121# define newSVuval64 newSVuv
122# define SvUVAL64 SvUV
123#else
124 typedef double val64;
125 typedef double uval64;
126# define newSVval64 newSVnv
127# define SvVAL64 SvNV
128# define newSVuval64 newSVnv
129# define SvUVAL64 SvNV
130#endif
131
132extern tstamp runtime; // virtual server time, excluding time jumps and lag
133extern tstamp NOW; // real time of current server tick
134
135noinline utf8_string cfSvPVutf8_nolen (SV *sv);
37 136
38enum event_klass 137enum event_klass
39{ 138{
40 KLASS_NONE, 139 KLASS_NONE,
41 KLASS_GLOBAL, 140 KLASS_GLOBAL,
141 KLASS_ATTACHABLE,
42 KLASS_SOCKET, 142 KLASS_CLIENT,
43 KLASS_PLAYER, 143 KLASS_PLAYER,
44 KLASS_OBJECT, 144 KLASS_OBJECT,
45 KLASS_MAP, 145 KLASS_MAP,
46 KLASS_COMMAND, 146 KLASS_COMMAND,
47}; 147};
52# include "eventinc.h" 152# include "eventinc.h"
53# undef def 153# undef def
54 NUM_EVENT_TYPES 154 NUM_EVENT_TYPES
55}; 155};
56 156
157// in which global events or per-type events are we interested
158extern bitset<NUM_EVENT_TYPES> ev_want_event;
159extern bitset<NUM_TYPES> ev_want_type;
160
57#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 161#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
58#define ARG_INT(v) DT_INT , static_cast<int> (v) 162#define ARG_INT(v) DT_INT , static_cast<int> (v)
59#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 163#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
60#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 164#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
61#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 165#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
62#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 166#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
63#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 167#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
64#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 168#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
65#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 169#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
66#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 170#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
171#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
67#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 172#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
68#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 173#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
69#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client *> (o)
70 174
71// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 175// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
72 176#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
73// all these return true when the normal event processing should be skipped (if any)
74#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
75
76#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
77#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 177#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
178#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
78#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 179#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
79#define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__) 180#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
80#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 181#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
81#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 182#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
82 183
83//TODO should index into @result 184//TODO should index into @result
84#define RESULT(idx,type) cfperl_result_ ## type (idx) 185#define RESULT(idx,type) cfperl_result_ ## type (idx)
85#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 186#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
86#define RESULT_INT(idx) RESULT(idx, INT) 187#define RESULT_INT(idx) RESULT(idx, INT)
87 188
88bool cfperl_invoke (event_type event, ...);
89double cfperl_result_DOUBLE (int idx); 189double cfperl_result_DOUBLE (int idx);
90int cfperl_result_INT (int idx); 190int cfperl_result_INT (int idx);
91 191
192//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
193
194INTERFACE_CLASS (attachable)
92struct attachable_base 195struct attachable : refcnt_base
93{ 196{
197 static MGVTBL vtbl;
198
199 enum {
200 F_DESTROYED = 0x01,
201 F_DEBUG_TRACE = 0x02,
202 };
203 uint8 ACC (RW, attachable_flags);
204
205 static unordered_vector<attachable *> mortals;
206 MTH static void check_mortals ();
207
208 // object is delete'd after the refcount reaches 0
209 MTH int refcnt_cnt () const;
210 // check wether the object has died and destroy
211 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
212
213 // destroy the object unless it was already destroyed
214 // this politely asks everybody interested the reduce
215 // the refcount to 0 as soon as possible.
216 MTH void destroy ();
217
218 // return wether an object was destroyed already
219 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
220
221 // destruct and free the memory for this object
222 virtual void do_delete ();
223
224 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
225
226#if 0
227private:
228 static refcounted *rc_first;
229 refcounted *rc_next;
230#endif
231
94 SV *self; // CF+ perl self 232 HV *self; // CF+ perl self
95 AV *cb; // CF+ callbacks 233 AV *cb; // CF+ callbacks
96 shstr attach; // generic extension attachment information 234 shstr attach; // generic extension attachment information
97 235
98 void clear (); // called when free'ing objects 236 void sever_self (); // sever this object from its self, if it has one.
99 void optimise (); // possibly save some memory by destroying unneeded data 237 void optimise (); // possibly save some memory by destroying unneeded data
100 void instantiate (data_type type, void *obj);
101 238
102 void attachable_clear ()
103 {
104 self = 0;
105 cb = 0;
106 attach = 0;
107 }
108
109 attachable_base () 239 attachable ()
240 : attachable_flags (0), self (0), cb (0), attach (0)
110 { 241 {
111 attachable_clear ();
112 } 242 }
113 243
114 ~attachable_base ()
115 {
116 clear ();
117 }
118
119 attachable_base (const attachable_base &src) 244 attachable (const attachable &src)
120 : self (0), cb (0), attach (src.attach) 245 : attachable_flags (0), self (0), cb (0), attach (src.attach)
121 { 246 {
122 } 247 }
123 248
249 // set a custom key to the given value, or delete it if value = 0
250 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
251
252 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
253 {
254 set_key (key, value, 1);
255 }
256
257 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
258 {
259 set_key (key, value, 0);
260 }
261
124 attachable_base &operator =(const attachable_base &src) 262 attachable &operator =(const attachable &src);
125 {
126 clear ();
127 attach = src.attach;
128 return *this;
129 }
130};
131 263
132// objects attachable from perl (or any other extension) should include or 264 // used to _quickly_ decide wether to shortcut the evaluation
133// derive using the curiously recurring template pattern, to avoid 265 bool should_invoke (event_type event)
134// virtual method calls etc. 266 {
135template<class subclass> 267 return ev_want_event [event] || cb;
136struct attachable : attachable_base 268 }
137{ 269
270 bool invoke (event_type event, ...);
271
138 void instantiate () 272 MTH void instantiate ();
139 { 273 void reattach ();
140 if (attach)
141 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
142 }
143};
144 274
145struct object_freezer : dynbuf 275protected:
146{ 276 // do the real refcount checking work
147 AV *av; 277 void do_check ();
148 278
149 object_freezer (); 279 // the method that does the real destroy work
150 ~object_freezer (); 280 virtual void do_destroy ();
151 281
152 void put (attachable_base *ext); 282 // destructor is protected, should not be called by anybody
153 283 virtual ~attachable ();
154 template<class subclass>
155 void put (attachable<subclass> *obj)
156 {
157 put ((attachable_base *)obj);
158 }
159
160 // used only for user-defined key-value pairs
161 void put (const shstr &k, const shstr &v)
162 {
163 add (k);
164
165 if (v)
166 add (' '), add (v);
167
168 add ('\n');
169 }
170
171 //TODO//temporary, used only for saving body locations
172 void put (const char *k, int v)
173 {
174 add (k);
175 add (' ');
176 add (sint32 (v));
177 add ('\n');
178 }
179
180 template<typename T>
181 void put_string (keyword k, const T &v)
182 {
183 int klen = keyword_len [k];
184 int vlen = v ? strlen (v) + 1 : 0;
185
186 char *p = (char *)alloc (klen + vlen + 1);
187
188 memcpy (p, keyword_str [k], klen); p += klen;
189
190 if (v)
191 {
192 *p++ = ' '; vlen--;
193 memcpy (p, v, vlen); p += vlen;
194 }
195
196 *p = '\n';
197 }
198
199 void put (keyword k, const char *v)
200 {
201 put_string (k, v);
202 }
203
204 void put (keyword k, const shstr &v)
205 {
206 put_string (k, v);
207 }
208
209 void put (keyword k, double v)
210 {
211 char buf [128];
212
213 snprintf (buf, 128, "%.7g", v);
214
215 put (k, (const char *)buf);
216 }
217
218 void put_(keyword k, sint64 v)
219 {
220 add (keyword_str [k], keyword_len [k]);
221 add (' ');
222 add (v);
223 add ('\n');
224 }
225
226 void put_(keyword k, sint32 v)
227 {
228 add (keyword_str [k], keyword_len [k]);
229 add (' ');
230 add (v);
231 add ('\n');
232 }
233
234 void put (keyword kbeg, keyword kend, const shstr &v)
235 {
236 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
237
238 if (v)
239 {
240 add (v);
241 add ('\n');
242 }
243
244 add (keyword_str [kend], keyword_len [kend]); add ('\n');
245 }
246
247 void put (keyword k, float v) { put (k, (double)v); }
248 void put (keyword k, signed char v) { put_(k, (sint32)v); }
249 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
250 void put (keyword k, signed short v) { put_(k, (sint32)v); }
251 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
252 void put (keyword k, signed int v) { put_(k, (sint32)v); }
253 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
254 void put (keyword k, signed long v) { put_(k, (sint64)v); }
255 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
256 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
257 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
258
259 template<typename T>
260 void put (keyword k, const T *v)
261 {
262 if (v)
263 put (k, v->name);
264 else
265 put (k, (const char *)0);
266 }
267
268 template<typename T>
269 void put (keyword k, const refptr<T> &v)
270 {
271 put (k, (T *)v);
272 }
273
274 bool save (const char *filename);
275 char *as_string (); // like strdup
276
277 operator bool () { return !!av; }
278}; 284};
279 285
280// compatibility support, should be removed when no longer needed 286// the global object is a pseudo object that cares for the global events
281int fprintf (object_freezer &freezer, const char *format, ...); 287struct global : attachable
282int fputs (const char *s, object_freezer &freezer);
283
284struct object_thawer
285{ 288{
286 SV *text; // text part 289 void gather_callbacks (AV *&callbacks, event_type event) const;
287 AV *av; // perl part
288 char *line; // current beginning of line
289 char *last_value;
290
291 operator bool () { return !!text; }
292
293 object_thawer (const char *filename = 0);
294 object_thawer (const char *data, AV *perlav);
295 ~object_thawer ();
296
297 void get (data_type type, void *obj, attachable_base *ext, int oid);
298
299 template<class subclass>
300 void get (attachable<subclass> *obj, int oid)
301 {
302 if (av)
303 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
304 }
305
306 keyword get_kv (); // also parse value for later use
307
308 const char *get_str () { return last_value; } // may be 0
309
310 void get (shstr &sh) const;
311 void get_ornull (shstr &sh) const { sh = last_value; }
312 void get_ml (keyword kend, shstr &sh);
313
314 sint32 get_sint32 () const;
315 sint64 get_sint64 () const;
316 double get_double () const;
317
318 void get (float &v) { v = get_double (); }
319 void get (double &v) { v = get_double (); }
320
321 void get (sint8 &i) { i = get_sint32 (); }
322 void get (uint8 &i) { i = get_sint32 (); }
323 void get (sint16 &i) { i = get_sint32 (); }
324 void get (uint16 &i) { i = get_sint32 (); }
325 void get (sint32 &i) { i = get_sint32 (); }
326
327 void get (uint32 &i) { i = get_sint64 (); }
328 void get (sint64 &i) { i = get_sint64 (); }
329}; 290};
330 291
331char *fgets (char *s, int n, object_thawer &thawer); 292extern struct global gbl_ev;
332 293
333struct watcher_base 294//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
295
296#include "freezethaw.h"
297
298//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
299
300struct coroapi {
301 static struct CoroAPI *GCoroAPI;
302
303 static EV_ATOMIC_T cede_pending;
304
305 static int nready () { return CORO_NREADY; }
306 static int cede () { cede_pending = 0; return CORO_CEDE ; }
307
308 static void do_cede_to_tick ();
309
310 // actually cede's far more often
311 static bool cede_to_tick ()
312 {
313 if (expect_true (!cede_pending))
314 return false;
315
316 do_cede_to_tick ();
317 return true;
318 }
319
320 static void wait_for_tick ();
321 static void wait_for_tick_begin ();
322};
323
324struct evapi
334{ 325{
335 static struct EventAPI *GEventAPI; 326 static struct EVAPI *GEVAPI;
336}; 327};
337 328
338template<class base>
339struct watcher : watcher_base
340{
341 base *pe;
342
343 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
344 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
345 void now () { GEventAPI->now ((pe_watcher *)pe); }
346 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
347 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
348
349 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
350
351 ~watcher ()
352 {
353 cancel ();
354 }
355
356private:
357 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
358};
359
360struct iow : watcher<pe_io>, callback<void (iow &, int)> 329struct iow : ev_io, evapi, callback<void (iow &, int)>
361{ 330{
331 static void thunk (EV_P_ struct ev_io *w_, int revents)
332 {
333 iow &w = *static_cast<iow *>(w_);
334
335 w (w, revents);
336 }
337
362 template<class O, class M> 338 template<class O, class M>
363 iow (O object, M method) 339 iow (O object, M method)
364 : callback<void (iow &, int)> (object, method) 340 : callback<void (iow &, int)> (object, method)
365 { 341 {
366 alloc (); 342 ev_init ((ev_io *)this, thunk);
367 } 343 }
368 344
369 iow &fd (int fd); 345 void prio (int prio)
370 int poll (); 346 {
347 ev_set_priority ((ev_io *)this, prio);
348 }
349
350 void set (int fd, int events)
351 {
352 ev_io_set ((ev_io *)this, fd, events);
353 }
354
355 int poll () const { return events; }
356
371 iow &poll (int events); 357 void poll (int events);
372 358
373private: 359 void start ()
374 void alloc (); 360 {
361 ev_io_start (EV_DEFAULT, (ev_io *)this);
362 }
363
364 void stop ()
365 {
366 ev_io_stop (EV_DEFAULT, (ev_io *)this);
367 }
368
369 ~iow ()
370 {
371 stop ();
372 }
373};
374
375struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
376{
377 static void thunk (EV_P_ struct ev_async *w_, int revents)
378 {
379 asyncw &w = *static_cast<asyncw *>(w_);
380
381 w (w, revents);
382 }
383
384 template<class O, class M>
385 asyncw (O object, M method)
386 : callback<void (asyncw &, int)> (object, method)
387 {
388 ev_init ((ev_async *)this, thunk);
389 }
390
391 void start ()
392 {
393 ev_async_start (EV_DEFAULT, (ev_async *)this);
394 }
395
396 void stop ()
397 {
398 ev_async_stop (EV_DEFAULT, (ev_async *)this);
399 }
400
401 ~asyncw ()
402 {
403 stop ();
404 }
375}; 405};
376 406
377#endif 407#endif
378 408

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