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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.65 by root, Thu May 24 03:33:29 2007 UTC vs.
Revision 1.94 by root, Wed Apr 2 11:13:54 2008 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <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__
… …
12 35
13#include <EXTERN.h> 36#include <EXTERN.h>
14#include <perl.h> 37#include <perl.h>
15#include <XSUB.h> 38#include <XSUB.h>
16 39
17#include <EventAPI.h> 40#include <EVAPI.h>
18#include <CoroAPI.h> 41#include <CoroAPI.h>
19 42
20#include "util.h" 43#include "util.h"
21#include "keyword.h" 44#include "keyword.h"
22#include "dynbuf.h" 45#include "dynbuf.h"
… …
32#undef readdir 55#undef readdir
33#undef getprotobyname 56#undef getprotobyname
34#undef gethostbyname 57#undef gethostbyname
35#undef ctime 58#undef ctime
36#undef strerror 59#undef strerror
60#undef _
37 61
38// same here, massive symbol spamming 62// same here, massive symbol spamming
39#undef do_open 63#undef do_open
40#undef do_close 64#undef do_close
41#undef ref 65#undef ref
… …
46#undef random 70#undef random
47#undef crypt 71#undef crypt
48 72
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50 74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
51// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
52 81
53#define CHECK_ERROR \ 82#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \ 83 if (SvTRUE (ERRSV)) \
55 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 84 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
… …
62 91
63////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
64 93
65void cfperl_init (); 94void cfperl_init ();
66void cfperl_main (); 95void cfperl_main ();
96void cfperl_tick ();
67void cfperl_emergency_save (); 97void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 98void cfperl_cleanup (int make_core);
69void cfperl_make_book (object *book, int level); 99void cfperl_make_book (object *book, int level);
100void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
101int cfperl_can_merge (object *ob1, object *ob2);
70 102
71////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 103//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
72 104
73// virtual server time, excluding time jumps and lag 105extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 106extern tstamp NOW; // real time of current server tick
75 107
76enum event_klass 108enum event_klass
77{ 109{
78 KLASS_NONE, 110 KLASS_NONE,
79 KLASS_GLOBAL, 111 KLASS_GLOBAL,
… …
110#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 142#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
111#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 143#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
112#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 144#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
113 145
114// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 146// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
115 147#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
116// all these return true when the normal event processing should be skipped (if any)
117#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 148#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
118#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 149#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
119#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 150#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
120#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 151#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
121#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 152#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
122#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 153#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
123 154
124//TODO should index into @result 155//TODO should index into @result
125#define RESULT(idx,type) cfperl_result_ ## type (idx) 156#define RESULT(idx,type) cfperl_result_ ## type (idx)
126#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 157#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
127#define RESULT_INT(idx) RESULT(idx, INT) 158#define RESULT_INT(idx) RESULT(idx, INT)
… …
130int cfperl_result_INT (int idx); 161int cfperl_result_INT (int idx);
131 162
132////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 163//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
133 164
134INTERFACE_CLASS (attachable) 165INTERFACE_CLASS (attachable)
135struct attachable 166struct attachable : refcnt_base
136{ 167{
137 static MGVTBL vtbl; 168 static MGVTBL vtbl;
138 169
139 static unordered_vector<attachable *> mortals; 170 static unordered_vector<attachable *> mortals;
140 MTH static void check_mortals (); 171 MTH static void check_mortals ();
141 172
142 enum { 173 enum {
143 F_DESTROYED = 0x01, 174 F_DESTROYED = 0x01,
144 F_DEBUG_TRACE = 0x02, 175 F_DEBUG_TRACE = 0x02,
145 }; 176 };
177 int ACC (RW, flags);
146 178
147 // object is delete'd after the refcount reaches 0 179 // object is delete'd after the refcount reaches 0
148 int ACC (RW, flags);
149 mutable int ACC (RW, refcnt);
150
151 MTH void refcnt_inc () const { ++refcnt; }
152 MTH void refcnt_dec () const { --refcnt; }
153
154 MTH int refcnt_cnt () const; 180 MTH int refcnt_cnt () const;
155 // check wether the object has died and destroy 181 // check wether the object has died and destroy
156 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 182 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
157 183
158 // destroy the object unless it was already destroyed 184 // destroy the object unless it was already destroyed
159 // this politely asks everybody interested the reduce 185 // this politely asks everybody interested the reduce
160 // the refcount to 0 as soon as possible. 186 // the refcount to 0 as soon as possible.
161 MTH void destroy (); 187 MTH void destroy ();
… …
177 203
178 void sever_self (); // sever this object from its self, if it has one. 204 void sever_self (); // sever this object from its self, if it has one.
179 void optimise (); // possibly save some memory by destroying unneeded data 205 void optimise (); // possibly save some memory by destroying unneeded data
180 206
181 attachable () 207 attachable ()
182 : flags (0), refcnt (0), self (0), cb (0), attach (0) 208 : flags (0), self (0), cb (0), attach (0)
183 { 209 {
184 } 210 }
185 211
186 attachable (const attachable &src) 212 attachable (const attachable &src)
187 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 213 : flags (0), self (0), cb (0), attach (src.attach)
188 { 214 {
189 } 215 }
190 216
191 virtual ~attachable (); 217 // set a custom key to the given value, or delete it if value = 0
218 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
219
220 void set_key_text (const char *key, const char *value = 0)
221 {
222 set_key (key, value, 1);
223 }
224
225 void set_key_data (const char *key, const char *value = 0)
226 {
227 set_key (key, value, 0);
228 }
192 229
193 attachable &operator =(const attachable &src); 230 attachable &operator =(const attachable &src);
194 231
195 bool vinvoke (event_type event, va_list &ap); 232 // used to _quickly_ device wether to shortcut the evaluation
233 bool should_invoke (event_type event)
234 {
235 return ev_want_event [event] || cb;
236 }
237
196 bool invoke (event_type event, ...) 238 bool invoke (event_type event, ...);
197 {
198 if (ev_want_event [event] || cb)
199 {
200 va_list ap;
201 va_start (ap, event);
202 vinvoke (event, ap);
203 va_end (ap);
204 }
205 }
206 239
207 MTH void instantiate (); 240 MTH void instantiate ();
208 void reattach (); 241 void reattach ();
209 242
210protected: 243protected:
211 // do the real refcount checking work 244 // do the real refcount checking work
212 void do_check (); 245 void do_check ();
213 246
214 // the method that does the real destroy work 247 // the method that does the real destroy work
215 virtual void do_destroy (); 248 virtual void do_destroy ();
249
250 // destructor is protected, should not be called by anybody
251 virtual ~attachable ();
216}; 252};
217 253
218// the global object is a pseudo object that cares for the global events 254// the global object is a pseudo object that cares for the global events
219struct global : attachable 255struct global : attachable
220{ 256{
… …
223 259
224extern struct global gbl_ev; 260extern struct global gbl_ev;
225 261
226////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 262//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
227 263
264INTERFACE_CLASS(object_freezer)
228struct object_freezer : dynbuf_text 265struct object_freezer : dynbuf_text
229{ 266{
230 AV *av; 267 AV *av;
231 268
232 object_freezer (); 269 object_freezer ();
… …
237 // used only for user-defined key-value pairs 274 // used only for user-defined key-value pairs
238 void put (const shstr &k, const shstr &v) 275 void put (const shstr &k, const shstr &v)
239 { 276 {
240 add (k); 277 add (k);
241 278
242 if (v) 279 if (expect_true (v))
243 add (' '), add (v); 280 add (' '), add (v);
244 281
245 add ('\n'); 282 add ('\n');
246 } 283 }
247 284
248 //TODO//temporary, used only for saving body locations
249 void put (const char *k, int v)
250 {
251 add (k);
252 add (' ');
253 add (sint32 (v));
254 add ('\n');
255 }
256
257 template<typename T> 285 template<typename T>
258 void put_string (keyword k, const T &v) 286 void put_kw_string (keyword k, const T &v)
259 { 287 {
260 int klen = keyword_len [k]; 288 int klen = keyword_len [k];
261 int vlen = v ? strlen (v) + 1 : 0; 289 int vlen = v ? strlen (v) + 1 : 0;
262 290
263 char *p = (char *)alloc (klen + vlen + 1); 291 char *p = (char *)alloc (klen + vlen + 1);
264 292
265 memcpy (p, keyword_str [k], klen); p += klen; 293 memcpy (p, keyword_str [k], klen); p += klen;
266 294
267 if (v) 295 if (expect_true (v))
268 { 296 {
269 *p++ = ' '; vlen--; 297 *p++ = ' '; vlen--;
270 memcpy (p, v, vlen); p += vlen; 298 memcpy (p, v, vlen); p += vlen;
271 } 299 }
272 300
273 *p = '\n'; 301 *p = '\n';
274 } 302 }
275 303
276 void put (keyword k, const char *v = 0) 304 void put (keyword k, const char *v = 0)
277 { 305 {
278 put_string (k, v); 306 put_kw_string (k, v);
279 } 307 }
280 308
281 void put (keyword k, const shstr &v) 309 void put (keyword k, const shstr &v)
282 { 310 {
283 put_string (k, v); 311 put_kw_string (k, v);
284 } 312 }
285 313
286 void put (keyword k, double v) 314 void put (keyword k, double v)
287 { 315 {
288 char buf [128]; 316 force (MAX_KEYWORD_LEN + 2 + 32);
289 317 fadd (keyword_str [k], keyword_len [k]);
290 snprintf (buf, 128, "%.7g", v); 318 fadd (' ');
291 319 falloc (sprintf (ptr, "%.7g", v));
292 put (k, (const char *)buf); 320 fadd ('\n');
293 } 321 }
294 322
295 void put_(keyword k, sint64 v) 323 void put_(keyword k, sint64 v)
296 { 324 {
325 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
297 add (keyword_str [k], keyword_len [k]); 326 fadd (keyword_str [k], keyword_len [k]);
298 add (' '); 327 fadd (' ');
299 add (v); 328 add (v);
300 add ('\n'); 329 fadd ('\n');
301 } 330 }
302 331
303 void put_(keyword k, sint32 v) 332 void put_(keyword k, sint32 v)
304 { 333 {
334 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
305 add (keyword_str [k], keyword_len [k]); 335 fadd (keyword_str [k], keyword_len [k]);
306 add (' '); 336 fadd (' ');
307 add (v); 337 add (v);
308 add ('\n'); 338 fadd ('\n');
309 }
310
311 void put (keyword kbeg, keyword kend, const shstr &v)
312 {
313 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
314
315 if (v)
316 {
317 add (v);
318 add ('\n');
319 }
320
321 add (keyword_str [kend], keyword_len [kend]); add ('\n');
322 } 339 }
323 340
324 void put (keyword k, float v) { put (k, (double)v); } 341 void put (keyword k, float v) { put (k, (double)v); }
325 void put (keyword k, signed char v) { put_(k, (sint32)v); } 342 void put (keyword k, signed char v) { put_(k, (sint32)v); }
326 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 343 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
331 void put (keyword k, signed long v) { put_(k, (sint64)v); } 348 void put (keyword k, signed long v) { put_(k, (sint64)v); }
332 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 349 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
333 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 350 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
334 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 351 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
335 352
336 template<typename T> 353 void put (keyword kbeg, keyword kend, const shstr &v)
354 {
355 force (MAX_KEYWORD_LEN + 1);
356 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
357
358 if (expect_true (v))
359 {
360 add (v);
361 add ('\n');
362 }
363
364 force (MAX_KEYWORD_LEN + 1);
365 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
366 }
367
368 void put (keyword k, archetype *v);
369 void put (keyword k, treasurelist *v);
337 void put (keyword k, const T *v) 370 void put (keyword k, faceinfo *v);
338 {
339 if (v)
340 put (k, v->name);
341 else
342 put (k, (const char *)0);
343 }
344 371
345 template<typename T> 372 template<typename T>
346 void put (keyword k, const refptr<T> &v) 373 void put (keyword k, const refptr<T> &v)
347 { 374 {
348 put (k, (T *)v); 375 put (k, (T *)v);
349 } 376 }
350 377
351 bool save (const char *path); 378 MTH bool save (const_octet_string path);
352 char *as_string (); // like strdup 379 char *as_string (); // like strdup
353 380
354 operator bool () { return !!av; } 381 operator bool () { return !!av; }
355}; 382};
356 383
357// compatibility support, should be removed when no longer needed 384INTERFACE_CLASS(object_thawer)
358void fprintf (object_freezer &freezer, const char *format, ...);
359void fputs (const char *s, object_freezer &freezer);
360
361struct object_thawer 385struct object_thawer
362{ 386{
387 char *line; // current beginning of line
363 SV *text; // text part 388 SV *text; // text part
364 AV *av; // perl part 389 AV *av; // perl part
365 int linenum; 390 int linenum;
366 char *line; // current beginning of line
367 keyword kw; 391 keyword kw;
368 char *kw_str, *value; 392 char *kw_str; // the keyword parsed, as string
393 char *value; // the value, or 0 if no value
394 const char *value_nn; // the value, or the empty string if no value
369 const char *name; 395 const char *name;
370 396
371 operator bool () { return !!text; } 397 operator bool () const { return !!text; }
372 398
373 object_thawer (const char *path = 0); 399 object_thawer (const char *path = 0);
374 object_thawer (const char *data, AV *perlav); 400 object_thawer (const char *data, AV *perlav);
375 ~object_thawer (); 401 ~object_thawer ();
376 402
377 void get (attachable *obj, int oid); 403 void get (attachable *obj, int oid);
378 404
379 // parse next line 405 // parse next line
380 void next (); 406 MTH void next ();
381 // skip the current key-value (usually fetch next line, for 407 // skip the current key-value (usually fetch next line, for
382 // multiline-fields, skips untilt he corresponding end-kw 408 // multiline-fields, skips till the corresponding end-kw
383 void skip (); 409 MTH void skip ();
384 410 MTH void skip_block (); // skips till and over KW_end
385 //TODO: remove, deprecated
386 keyword get_kv ()
387 {
388 next ();
389 return kw;
390 }
391 411
392 char *get_str () { return value; } // may be 0 412 char *get_str () { return value; } // may be 0
413 void get_ml (keyword kend, shstr &sh);
393 414
394 void get (shstr &sh) const;
395 void get_ornull (shstr &sh) const { sh = value; } 415 void get_ornull (shstr &sh) const { sh = value; }
396 void get_ml (keyword kend, shstr &sh); 416 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
397 417
418 bool get_bool () const { return *value_nn == '1'; }
398 sint32 get_sint32 () const; 419 sint32 get_sint32 () const;
399 sint64 get_sint64 () const; 420 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
400 double get_double () const; 421 double get_double () const { return strtod (value_nn, 0); }
401 422
402 void get (float &v) { v = get_double (); } 423 void get (float &v) { v = get_double (); }
403 void get (double &v) { v = get_double (); } 424 void get (double &v) { v = get_double (); }
404 425
405 void get (bool &i) { i = get_sint32 (); } 426 void get (bool &i) { i = get_bool (); }
406 void get (sint8 &i) { i = get_sint32 (); } 427 void get (sint8 &i) { i = get_sint32 (); }
407 void get (uint8 &i) { i = get_sint32 (); } 428 void get (uint8 &i) { i = get_sint32 (); }
408 void get (sint16 &i) { i = get_sint32 (); } 429 void get (sint16 &i) { i = get_sint32 (); }
409 void get (uint16 &i) { i = get_sint32 (); } 430 void get (uint16 &i) { i = get_sint32 (); }
410 void get (sint32 &i) { i = get_sint32 (); } 431 void get (sint32 &i) { i = get_sint32 (); }
411 432
412 void get (uint32 &i) { i = get_sint64 (); } 433 void get (uint32 &i) { i = get_sint64 (); }
413 void get (sint64 &i) { i = get_sint64 (); } 434 void get (sint64 &i) { i = get_sint64 (); }
414 435
436 MTH void parse_warn (const char *msg);
415 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 437 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
438
439 struct delayed_ref {
440 attachable *op;
441 object_ptr *ptr;
442 const char *ref;
443 };
444 std::vector<delayed_ref> delrefs;
445
446 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
447 MTH void resolve_delayed_derefs (bool deref = true);
416}; 448};
417 449
418//TODO: remove 450//TODO: remove
419char *fgets (char *s, int n, object_thawer &thawer); 451char *fgets (char *s, int n, object_thawer &thawer);
420 452
421////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 453//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
422 454
423struct coroapi { 455struct coroapi {
424 static struct CoroAPI *GCoroAPI; 456 static struct CoroAPI *GCoroAPI;
425 457
458 static EV_ATOMIC_T cede_pending;
459
426 static int nready () { return CORO_NREADY; } 460 static int nready () { return CORO_NREADY; }
427 static int cede () { return CORO_CEDE ; } 461 static int cede () { cede_pending = 0; return CORO_CEDE ; }
428 462
429 static double (*time)();
430 static double next_cede;
431 static int cede_counter;
432
433 static void do_cede_every ();
434 static void do_cede_to_tick (); 463 static void do_cede_to_tick ();
435 static void do_cede_to_tick_every ();
436 464
437 static void cede_every (int count) 465 // actually cede's far more often
438 {
439 if (++cede_counter >= count)
440 do_cede_every ();
441 }
442
443 static void cede_to_tick () 466 static bool cede_to_tick ()
444 { 467 {
445 if (time () >= next_cede) 468 if (expect_true (!cede_pending))
469 return false;
470
446 do_cede_to_tick (); 471 do_cede_to_tick ();
447 } 472 return true;
448
449 static void cede_to_tick_every (int count)
450 {
451 if (++cede_counter >= count)
452 cede_to_tick ();
453 } 473 }
454 474
455 static void wait_for_tick (); 475 static void wait_for_tick ();
456 static void wait_for_tick_begin (); 476 static void wait_for_tick_begin ();
457}; 477};
458 478
459struct watcher_base 479struct evapi
460{ 480{
461 static struct EventAPI *GEventAPI; 481 static struct EVAPI *GEVAPI;
462}; 482};
463 483
464template<class base>
465struct watcher : watcher_base
466{
467 base *pe;
468
469 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
470 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
471 void now () { GEventAPI->now ((pe_watcher *)pe); }
472 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
473 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
474
475 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
476
477 ~watcher ()
478 {
479 cancel ();
480 }
481
482private:
483 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
484};
485
486struct iw : watcher<pe_idle>, callback<void (iw &)>
487{
488 template<class O, class M>
489 iw (O object, M method)
490 : callback<void (iw &)> (object, method)
491 {
492 alloc ();
493 }
494
495private:
496 void alloc ();
497};
498
499struct iow : watcher<pe_io>, callback<void (iow &, int)> 484struct iow : ev_io, evapi, callback<void (iow &, int)>
500{ 485{
486 static void thunk (EV_P_ struct ev_io *w_, int revents)
487 {
488 iow &w = *static_cast<iow *>(w_);
489
490 w (w, revents);
491 }
492
501 template<class O, class M> 493 template<class O, class M>
502 iow (O object, M method) 494 iow (O object, M method)
503 : callback<void (iow &, int)> (object, method) 495 : callback<void (iow &, int)> (object, method)
504 { 496 {
505 alloc (); 497 ev_init ((ev_io *)this, thunk);
506 } 498 }
507 499
508 void fd (int fd); 500 void prio (int prio)
509 int poll (); 501 {
502 ev_set_priority ((ev_io *)this, prio);
503 }
504
505 void set (int fd, int events)
506 {
507 ev_io_set ((ev_io *)this, fd, events);
508 }
509
510 int poll () const { return events; }
511
510 void poll (int events); 512 void poll (int events);
511 513
512private: 514 void start ()
513 void alloc (); 515 {
516 ev_io_start (EV_DEFAULT, (ev_io *)this);
517 }
518
519 void stop ()
520 {
521 ev_io_stop (EV_DEFAULT, (ev_io *)this);
522 }
523
524 ~iow ()
525 {
526 stop ();
527 }
528};
529
530struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
531{
532 static void thunk (EV_P_ struct ev_async *w_, int revents)
533 {
534 asyncw &w = *static_cast<asyncw *>(w_);
535
536 w (w, revents);
537 }
538
539 template<class O, class M>
540 asyncw (O object, M method)
541 : callback<void (asyncw &, int)> (object, method)
542 {
543 ev_init ((ev_async *)this, thunk);
544 }
545
546 void start ()
547 {
548 ev_async_start (EV_DEFAULT, (ev_async *)this);
549 }
550
551 void stop ()
552 {
553 ev_async_stop (EV_DEFAULT, (ev_async *)this);
554 }
555
556 ~asyncw ()
557 {
558 stop ();
559 }
514}; 560};
515 561
516#endif 562#endif
517 563

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