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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.83 by root, Fri Jul 13 15:54:40 2007 UTC vs.
Revision 1.113 by root, Mon Nov 16 22:31:14 2009 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008,2009 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 * 5 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 6 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 7 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 8 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 9 * option) any later version.
12 * 10 *
13 * This program is distributed in the hope that it will be useful, 11 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 14 * GNU General Public License for more details.
17 * 15 *
18 * You should have received a copy of the GNU General Public License 16 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
20 * 19 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 20 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 21 */
23 22
24// 23//
25// cfperl.h perl interface 24// cfperl.h perl interface
26// 25//
35 34
36#include <EXTERN.h> 35#include <EXTERN.h>
37#include <perl.h> 36#include <perl.h>
38#include <XSUB.h> 37#include <XSUB.h>
39 38
40#include <EventAPI.h> 39#include <EVAPI.h>
41#include <CoroAPI.h> 40#include <CoroAPI.h>
42 41
43#include "util.h" 42#include "util.h"
44#include "keyword.h" 43#include "keyword.h"
45#include "dynbuf.h" 44#include "dynbuf.h"
50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 49// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
51#undef localtime 50#undef localtime
52#undef srand48 51#undef srand48
53#undef drand48 52#undef drand48
54#undef srandom 53#undef srandom
54#undef opendir
55#undef readdir 55#undef readdir
56#undef closedir
56#undef getprotobyname 57#undef getprotobyname
57#undef gethostbyname 58#undef gethostbyname
58#undef ctime 59#undef ctime
59#undef strerror 60#undef strerror
61#undef _
60 62
61// same here, massive symbol spamming 63// same here, massive symbol spamming
62#undef do_open 64#undef do_open
63#undef do_close 65#undef do_close
64#undef ref 66#undef ref
69#undef random 71#undef random
70#undef crypt 72#undef crypt
71 73
72////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 74//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
73 75
76#define _(msg) (msg)
77#define N_(msg) (msg)
78
79//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
80
74// some macros to simplify perl in-calls 81// some macros to simplify perl in-calls
75 82
76#define CHECK_ERROR \ 83#define CHECK_ERROR \
77 if (SvTRUE (ERRSV)) \ 84 if (SvTRUE (ERRSV)) \
78 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 85 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
86
87inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
88inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
79 89
80#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 90#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
81#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
82#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 92#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
83#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;
84#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 94#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
85 95
86////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
87 97
88void cfperl_init (); 98void cfperl_init ();
89void cfperl_main (); 99void cfperl_main ();
100void cfperl_tick ();
90void cfperl_emergency_save (); 101void cfperl_emergency_save ();
91void cfperl_cleanup (int make_core); 102void cfperl_cleanup (int make_core);
92void cfperl_make_book (object *book, int level); 103void cfperl_make_book (object *book, int level);
93void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); 104void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
105int cfperl_can_merge (object *ob1, object *ob2);
106void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
94 107
108bool is_match_expr (const char *expr);
109// applies the match expression and returns true if it matches
110bool match (const char *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 char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
113
95////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 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
96 131
97extern tstamp runtime; // virtual server time, excluding time jumps and lag 132extern tstamp runtime; // virtual server time, excluding time jumps and lag
98extern tstamp NOW; // real time of current server tick 133extern tstamp NOW; // real time of current server tick
99 134
100enum event_klass 135enum event_klass
153int cfperl_result_INT (int idx); 188int cfperl_result_INT (int idx);
154 189
155////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 190//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
156 191
157INTERFACE_CLASS (attachable) 192INTERFACE_CLASS (attachable)
158struct attachable 193struct attachable : refcnt_base
159{ 194{
160 static MGVTBL vtbl; 195 static MGVTBL vtbl;
161
162 static unordered_vector<attachable *> mortals;
163 MTH static void check_mortals ();
164 196
165 enum { 197 enum {
166 F_DESTROYED = 0x01, 198 F_DESTROYED = 0x01,
167 F_DEBUG_TRACE = 0x02, 199 F_DEBUG_TRACE = 0x02,
168 }; 200 };
201 uint8 ACC (RW, attachable_flags);
202
203 static unordered_vector<attachable *> mortals;
204 MTH static void check_mortals ();
169 205
170 // object is delete'd after the refcount reaches 0 206 // object is delete'd after the refcount reaches 0
171 int ACC (RW, flags);
172 mutable int ACC (RW, refcnt);
173
174 MTH void refcnt_inc () const { ++refcnt; }
175 MTH void refcnt_dec () const { --refcnt; }
176
177 MTH int refcnt_cnt () const; 207 MTH int refcnt_cnt () const;
178 // check wether the object has died and destroy 208 // check wether the object has died and destroy
179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 209 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
180 210
181 // destroy the object unless it was already destroyed 211 // destroy the object unless it was already destroyed
182 // this politely asks everybody interested the reduce 212 // this politely asks everybody interested the reduce
183 // the refcount to 0 as soon as possible. 213 // the refcount to 0 as soon as possible.
184 MTH void destroy (); 214 MTH void destroy ();
185 215
186 // return wether an object was destroyed already 216 // return wether an object was destroyed already
187 MTH bool destroyed () const { return flags & F_DESTROYED; } 217 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
188 218
189 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 219 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
190 220
191#if 0 221#if 0
192private: 222private:
200 230
201 void sever_self (); // sever this object from its self, if it has one. 231 void sever_self (); // sever this object from its self, if it has one.
202 void optimise (); // possibly save some memory by destroying unneeded data 232 void optimise (); // possibly save some memory by destroying unneeded data
203 233
204 attachable () 234 attachable ()
205 : flags (0), refcnt (0), self (0), cb (0), attach (0) 235 : attachable_flags (0), self (0), cb (0), attach (0)
206 { 236 {
207 } 237 }
208 238
209 attachable (const attachable &src) 239 attachable (const attachable &src)
210 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 240 : attachable_flags (0), self (0), cb (0), attach (src.attach)
211 { 241 {
212 } 242 }
213 243
214 // set a custom key to the given value, or delete it if value = 0 244 // set a custom key to the given value, or delete it if value = 0
245 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
246
215 void set_key (const char *key, const char *value = 0); 247 void set_key_text (const char *key, const char *value = 0)
248 {
249 set_key (key, value, 1);
250 }
251
252 void set_key_data (const char *key, const char *value = 0)
253 {
254 set_key (key, value, 0);
255 }
216 256
217 attachable &operator =(const attachable &src); 257 attachable &operator =(const attachable &src);
218 258
219 // used to _quickly_ device wether to shortcut the evaluation 259 // used to _quickly_ device wether to shortcut the evaluation
220 bool should_invoke (event_type event) 260 bool should_invoke (event_type event)
246 286
247extern struct global gbl_ev; 287extern struct global gbl_ev;
248 288
249////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 289//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
250 290
291// a little dirty hack, maybe unify with something else at a later time
292struct keyword_string
293{
294 const char *s;
295 const int l;
296
297 keyword_string (const char *s, int l)
298 : s(s), l(l)
299 { }
300
301 keyword_string (keyword kw)
302 : s(keyword_str [kw]), l(keyword_len [kw])
303 {
304 }
305
306 keyword_string (shstr_tmp sh)
307 : s(&sh), l(sh.length ())
308 {
309 }
310};
311
312#define CS(keyword) keyword_string (# keyword, sizeof (# keyword) - 1)
313#define KW(keyword) CS(keyword)
314
315INTERFACE_CLASS(object_freezer)
251struct object_freezer : dynbuf_text 316struct object_freezer : dynbuf_text
252{ 317{
253 AV *av; 318 AV *av;
254 319
255 object_freezer (); 320 object_freezer ();
256 ~object_freezer (); 321 ~object_freezer ();
257 322
323 // serialise perl part
258 void put (attachable *ext); 324 void put_ (attachable *ext);
325 void put (attachable *ext)
326 {
327 if (expect_false (ext->self))
328 put_ (ext);
329 }
259 330
260 // used only for user-defined key-value pairs 331 // null value (== no space after keyword)
332 void put (const keyword_string k)
333 {
334 char *p = force (k.l + 1);
335 memcpy (p, k.s, k.l); p += k.l; *p++ = '\n';
336 alloc (p);
337 }
338
339 void put (const keyword_string k, const keyword_string v)
340 {
341 char *p = force (k.l + 1 + v.l + 1);
342 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
343 memcpy (p, v.s, v.l); p += v.l; *p++ = '\n';
344 alloc (p);
345 }
346
261 void put (const shstr &k, const shstr &v) 347 void put (const keyword_string k, const char *v)
262 { 348 {
263 add (k);
264
265 if (expect_true (v)) 349 if (expect_true (v))
266 add (' '), add (v); 350 put (k, keyword_string (v, strlen (v)));
267 351 else
268 add ('\n'); 352 put (k);
269 } 353 }
270 354
271 template<typename T> 355 void put (const keyword_string k, shstr_tmp v)
272 void put_kw_string (keyword k, const T &v)
273 { 356 {
274 int klen = keyword_len [k]; 357 put (k, keyword_string (v));
275 int vlen = v ? strlen (v) + 1 : 0;
276
277 char *p = (char *)alloc (klen + vlen + 1);
278
279 memcpy (p, keyword_str [k], klen); p += klen;
280
281 if (expect_true (v))
282 {
283 *p++ = ' '; vlen--;
284 memcpy (p, v, vlen); p += vlen;
285 }
286
287 *p = '\n';
288 } 358 }
289 359
290 void put (keyword k, const char *v = 0)
291 {
292 put_kw_string (k, v);
293 }
294
295 void put (keyword k, const shstr &v)
296 {
297 put_kw_string (k, v);
298 }
299
300 void put (keyword k, double v) 360 void put (const keyword_string k, double v)
301 { 361 {
302 force (MAX_KEYWORD_LEN + 2 + 32); 362 char *p = force (MAX_KEYWORD_LEN + 2 + 32);
303 fadd (keyword_str [k], keyword_len [k]); 363 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
304 fadd (' '); 364 p += sprintf (p, "%.7g", v); *p++ = '\n';
305 falloc (sprintf (ptr, "%.7g", v)); 365 alloc (p);
306 fadd ('\n');
307 } 366 }
308 367
309 void put_(keyword k, sint64 v) 368 void put_(const keyword_string k, sint64 v)
310 { 369 {
311 force (MAX_KEYWORD_LEN + 2 + sint64_digits); 370 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
312 fadd (keyword_str [k], keyword_len [k]); 371 fadd (k.s, k.l);
313 fadd (' '); 372 fadd (' ');
314 add (v); 373 add (v);
315 fadd ('\n'); 374 fadd ('\n');
316 } 375 }
317 376
318 void put_(keyword k, sint32 v) 377 void put_(const keyword_string k, sint32 v)
319 { 378 {
320 force (MAX_KEYWORD_LEN + 2 + sint32_digits); 379 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
321 fadd (keyword_str [k], keyword_len [k]); 380 fadd (k.s, k.l);
322 fadd (' '); 381 fadd (' ');
323 add (v); 382 add (v);
324 fadd ('\n'); 383 fadd ('\n');
325 } 384 }
326 385
327 void put (keyword k, float v) { put (k, (double)v); } 386 void put (const keyword_string k, float v) { put (k, (double)v); }
328 void put (keyword k, signed char v) { put_(k, (sint32)v); } 387 void put (const keyword_string k, signed char v) { put_(k, (sint32)v); }
329 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 388 void put (const keyword_string k, unsigned char v) { put_(k, (sint32)v); }
330 void put (keyword k, signed short v) { put_(k, (sint32)v); } 389 void put (const keyword_string k, signed short v) { put_(k, (sint32)v); }
331 void put (keyword k, unsigned short v) { put_(k, (sint32)v); } 390 void put (const keyword_string k, unsigned short v) { put_(k, (sint32)v); }
332 void put (keyword k, signed int v) { put_(k, (sint32)v); } 391 void put (const keyword_string k, signed int v) { put_(k, (sint32)v); }
333 void put (keyword k, unsigned int v) { put_(k, (sint64)v); } 392 void put (const keyword_string k, unsigned int v) { put_(k, (sint64)v); }
334 void put (keyword k, signed long v) { put_(k, (sint64)v); } 393 void put (const keyword_string k, signed long v) { put_(k, (sint64)v); }
335 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 394 void put (const keyword_string k, unsigned long v) { put_(k, (sint64)v); }
336 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 395 void put (const keyword_string k, signed long long v) { put_(k, (sint64)v); }
337 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 396 void put (const keyword_string k, unsigned long long v) { put_(k, (sint64)v); }
338 397
339 void put (keyword kbeg, keyword kend, const shstr &v) 398 void put (const keyword_string kbeg, const keyword_string kend, shstr_tmp v)
340 { 399 {
341 force (MAX_KEYWORD_LEN + 1); 400 force (MAX_KEYWORD_LEN + 1);
342 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 401 fadd (kbeg.s, kbeg.l); fadd ('\n');
343 402
344 if (expect_true (v)) 403 if (expect_true (v))
345 { 404 {
346 add (v); 405 add (v);
347 add ('\n'); 406 add ('\n');
348 } 407 }
349 408
350 force (MAX_KEYWORD_LEN + 1); 409 force (MAX_KEYWORD_LEN + 1);
351 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 410 fadd (kend.s, kend.l); fadd ('\n');
352 } 411 }
353 412
354 void put (keyword k, archetype *v); 413 void put (const keyword_string k, archetype *v);
355 void put (keyword k, treasurelist *v); 414 void put (const keyword_string k, treasurelist *v);
356 void put (keyword k, faceinfo *v); 415 void put (const keyword_string k, faceinfo *v);
357 416
358 template<typename T> 417 template<typename T>
359 void put (keyword k, const refptr<T> &v) 418 void put (const keyword_string k, const refptr<T> &v)
360 { 419 {
361 put (k, (T *)v); 420 put (k, (T *)v);
362 } 421 }
363 422
364 bool save (const char *path); 423 MTH bool save (const_octet_string path);
365 char *as_string (); // like strdup 424 char *as_string (); // like strdup
366 425
367 operator bool () { return !!av; } 426 operator bool () { return !!av; }
368}; 427};
369 428
429INTERFACE_CLASS(object_thawer)
370struct object_thawer 430struct object_thawer
371{ 431{
372 char *line; // current beginning of line 432 char *line; // current beginning of line
373 SV *text; // text part 433 SV *text; // text part
374 AV *av; // perl part 434 AV *av; // perl part
375 int linenum; 435 int linenum;
376 keyword kw; 436 keyword kw;
377 char *kw_str; // the keyword parsed, as string 437 char *kw_str; // the keyword parsed, as string
378 char *value; // the value, or 0 if no value 438 char *value; // the value, or 0 if no value
379 char *value_nn; // the value, or the empty string if no value 439 const char *value_nn; // the value, or the empty string if no value
380 const char *name; 440 const char *name;
381 441
382 operator bool () { return !!text; } 442 operator bool () const { return !!text; }
383 443
384 object_thawer (const char *path = 0); 444 object_thawer (const char *path = 0);
385 object_thawer (const char *data, AV *perlav); 445 object_thawer (const char *data, AV *perlav);
386 ~object_thawer (); 446 ~object_thawer ();
387 447
388 void get (attachable *obj, int oid); 448 void get (attachable *obj, int oid);
389 449
390 // parse next line 450 // parse next line
391 void next (); 451 MTH void next ();
392 // skip the current key-value (usually fetch next line, for 452 // skip the current key-value (usually fetch next line, for
393 // multiline-fields, skips till the corresponding end-kw 453 // multiline-fields, skips till the corresponding end-kw
394 void skip (); 454 MTH void skip ();
455 MTH void skip_block (); // skips till and over KW_end
395 456
396 char *get_str () { return value; } // may be 0 457 bool has_value () { return value; }
458 const char *get_str () { return value_nn; } // empty string when missing
397 void get_ml (keyword kend, shstr &sh); 459 void get_ml (keyword kend, shstr &sh);
398 460
399 void get_ornull (shstr &sh) const { sh = value; } 461 void get_ornull (shstr &sh) const { sh = value; }
400 void get (shstr &sh) const { sh = value; } // might want to check for non-null here 462 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
401 463
415 void get (sint32 &i) { i = get_sint32 (); } 477 void get (sint32 &i) { i = get_sint32 (); }
416 478
417 void get (uint32 &i) { i = get_sint64 (); } 479 void get (uint32 &i) { i = get_sint64 (); }
418 void get (sint64 &i) { i = get_sint64 (); } 480 void get (sint64 &i) { i = get_sint64 (); }
419 481
482 MTH void parse_warn (const char *msg);
420 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 483 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
484
485 struct delayed_ref {
486 attachable *op;
487 object_ptr *ptr;
488 const char *ref;
489 };
490 std::vector<delayed_ref> delrefs;
491
492 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
493 MTH void resolve_delayed_derefs (bool deref = true);
421}; 494};
422 495
423//TODO: remove 496//TODO: remove
424char *fgets (char *s, int n, object_thawer &thawer); 497char *fgets (char *s, int n, object_thawer &thawer);
425 498
426////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 499//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
427 500
428struct coroapi { 501struct coroapi {
429 static struct CoroAPI *GCoroAPI; 502 static struct CoroAPI *GCoroAPI;
430 503
504 static EV_ATOMIC_T cede_pending;
505
431 static int nready () { return CORO_NREADY; } 506 static int nready () { return CORO_NREADY; }
432 static int cede () { return CORO_CEDE ; } 507 static int cede () { cede_pending = 0; return CORO_CEDE ; }
433 508
434 static tstamp next_cede;
435 static int cede_counter;
436
437 static void do_cede_every ();
438 static void do_cede_to_tick (); 509 static void do_cede_to_tick ();
439 static void do_cede_to_tick_every ();
440 510
441 static void cede_every (int count) 511 // actually cede's far more often
442 {
443 if (expect_false (++cede_counter >= count))
444 do_cede_every ();
445 }
446
447 static bool cede_to_tick () 512 static bool cede_to_tick ()
448 { 513 {
449 if (expect_true (now () < next_cede)) 514 if (expect_true (!cede_pending))
450 return false; 515 return false;
451 516
452 do_cede_to_tick (); 517 do_cede_to_tick ();
453 return true; 518 return true;
454 } 519 }
455 520
456 static bool cede_to_tick_every (int count)
457 {
458 if (expect_true (++cede_counter < count))
459 return false;
460
461 return cede_to_tick ();
462 }
463
464 static void wait_for_tick (); 521 static void wait_for_tick ();
465 static void wait_for_tick_begin (); 522 static void wait_for_tick_begin ();
466}; 523};
467 524
468struct watcher_base 525struct evapi
469{ 526{
470 static struct EventAPI *GEventAPI; 527 static struct EVAPI *GEVAPI;
471}; 528};
472 529
473template<class base>
474struct watcher : watcher_base
475{
476 base *pe;
477
478 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
479 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
480 void now () { GEventAPI->now ((pe_watcher *)pe); }
481 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
482 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
483
484 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
485
486 ~watcher ()
487 {
488 cancel ();
489 }
490
491private:
492 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
493};
494
495struct iw : watcher<pe_idle>, callback<void (iw &)>
496{
497 template<class O, class M>
498 iw (O object, M method)
499 : callback<void (iw &)> (object, method)
500 {
501 alloc ();
502 }
503
504private:
505 void alloc ();
506};
507
508struct iow : watcher<pe_io>, callback<void (iow &, int)> 530struct iow : ev_io, evapi, callback<void (iow &, int)>
509{ 531{
532 static void thunk (EV_P_ struct ev_io *w_, int revents)
533 {
534 iow &w = *static_cast<iow *>(w_);
535
536 w (w, revents);
537 }
538
510 template<class O, class M> 539 template<class O, class M>
511 iow (O object, M method) 540 iow (O object, M method)
512 : callback<void (iow &, int)> (object, method) 541 : callback<void (iow &, int)> (object, method)
513 { 542 {
514 alloc (); 543 ev_init ((ev_io *)this, thunk);
515 } 544 }
516 545
517 void fd (int fd); 546 void prio (int prio)
518 int poll (); 547 {
548 ev_set_priority ((ev_io *)this, prio);
549 }
550
551 void set (int fd, int events)
552 {
553 ev_io_set ((ev_io *)this, fd, events);
554 }
555
556 int poll () const { return events; }
557
519 void poll (int events); 558 void poll (int events);
520 559
521private: 560 void start ()
522 void alloc (); 561 {
562 ev_io_start (EV_DEFAULT, (ev_io *)this);
563 }
564
565 void stop ()
566 {
567 ev_io_stop (EV_DEFAULT, (ev_io *)this);
568 }
569
570 ~iow ()
571 {
572 stop ();
573 }
574};
575
576struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
577{
578 static void thunk (EV_P_ struct ev_async *w_, int revents)
579 {
580 asyncw &w = *static_cast<asyncw *>(w_);
581
582 w (w, revents);
583 }
584
585 template<class O, class M>
586 asyncw (O object, M method)
587 : callback<void (asyncw &, int)> (object, method)
588 {
589 ev_init ((ev_async *)this, thunk);
590 }
591
592 void start ()
593 {
594 ev_async_start (EV_DEFAULT, (ev_async *)this);
595 }
596
597 void stop ()
598 {
599 ev_async_stop (EV_DEFAULT, (ev_async *)this);
600 }
601
602 ~asyncw ()
603 {
604 stop ();
605 }
523}; 606};
524 607
525#endif 608#endif
526 609

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