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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.86 by root, Mon Aug 6 10:54:12 2007 UTC vs.
Revision 1.119 by root, Sun Apr 11 04:09:56 2010 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 (©) 2005,2006,2007,2008,2009,2010 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//
27#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
28#define CFPERL_H__ 27#define CFPERL_H__
29 28
30#include <cstdarg>
31#include <cstdio>
32#include <bitset>
33
34using namespace std; 29using namespace std;
35 30
36#include <EXTERN.h> 31#include <EXTERN.h>
37#include <perl.h> 32#include <perl.h>
38#include <XSUB.h> 33#include <XSUB.h>
39 34
40#include <EventAPI.h> 35#include <EVAPI.h>
41#include <CoroAPI.h> 36#include <CoroAPI.h>
42 37
43#include "util.h" 38#include "util.h"
44#include "keyword.h" 39#include "keyword.h"
45#include "dynbuf.h" 40#include "dynbuf.h"
… …
50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 45// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
51#undef localtime 46#undef localtime
52#undef srand48 47#undef srand48
53#undef drand48 48#undef drand48
54#undef srandom 49#undef srandom
50#undef opendir
55#undef readdir 51#undef readdir
52#undef closedir
56#undef getprotobyname 53#undef getprotobyname
57#undef gethostbyname 54#undef gethostbyname
58#undef ctime 55#undef ctime
59#undef strerror 56#undef strerror
57#undef _
60 58
61// same here, massive symbol spamming 59// same here, massive symbol spamming
62#undef do_open 60#undef do_open
63#undef do_close 61#undef do_close
64#undef ref 62#undef ref
… …
69#undef random 67#undef random
70#undef crypt 68#undef crypt
71 69
72////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 70//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
73 71
72#define _(msg) (msg)
73#define N_(msg) (msg)
74
75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
76
74// some macros to simplify perl in-calls 77// some macros to simplify perl in-calls
75 78
76#define CHECK_ERROR \ 79#define CHECK_ERROR \
77 if (SvTRUE (ERRSV)) \ 80 if (SvTRUE (ERRSV)) \
78 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 81 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
79 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
80#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 89#define CALL_BEGIN(args) dSP; CALL_PUSH; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
81#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 90#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))) 91#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; 92#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
84#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 93#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP
85 94
86////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
87 96
88void cfperl_init (); 97void cfperl_init ();
89void cfperl_main (); 98void cfperl_main ();
99void cfperl_tick ();
90void cfperl_emergency_save (); 100void cfperl_emergency_save ();
91void cfperl_cleanup (int make_core); 101void cfperl_cleanup (int make_core);
92void cfperl_make_book (object *book, int level); 102void cfperl_make_book (object *book, int level);
93void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); 103void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg);
94int cfperl_can_merge (object *ob1, object *ob2); 104int cfperl_can_merge (object *ob1, object *ob2);
105void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
95 106
107bool is_match_expr (const_utf8_string expr);
108// applies the match expression and returns true if it matches
109bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
110// same as above, but returns the first object found, or 0
111object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
112
96////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 113//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
114
115#if IVSIZE >= 8
116 typedef IV val64;
117 typedef IV uval64;
118# define newSVval64 newSViv
119# define SvVAL64 SvIV
120# define newSVuval64 newSVuv
121# define SvUVAL64 SvUV
122#else
123 typedef double val64;
124 typedef double uval64;
125# define newSVval64 newSVnv
126# define SvVAL64 SvNV
127# define newSVuval64 newSVnv
128# define SvUVAL64 SvNV
129#endif
97 130
98extern tstamp runtime; // virtual server time, excluding time jumps and lag 131extern tstamp runtime; // virtual server time, excluding time jumps and lag
99extern tstamp NOW; // real time of current server tick 132extern tstamp NOW; // real time of current server tick
100 133
101enum event_klass 134enum event_klass
… …
158INTERFACE_CLASS (attachable) 191INTERFACE_CLASS (attachable)
159struct attachable : refcnt_base 192struct attachable : refcnt_base
160{ 193{
161 static MGVTBL vtbl; 194 static MGVTBL vtbl;
162 195
163 static unordered_vector<attachable *> mortals;
164 MTH static void check_mortals ();
165
166 enum { 196 enum {
167 F_DESTROYED = 0x01, 197 F_DESTROYED = 0x01,
168 F_DEBUG_TRACE = 0x02, 198 F_DEBUG_TRACE = 0x02,
169 }; 199 };
170 int ACC (RW, flags); 200 uint8 ACC (RW, attachable_flags);
201
202 static unordered_vector<attachable *> mortals;
203 MTH static void check_mortals ();
171 204
172 // object is delete'd after the refcount reaches 0 205 // object is delete'd after the refcount reaches 0
173 MTH int refcnt_cnt () const; 206 MTH int refcnt_cnt () const;
174 // check wether the object has died and destroy 207 // check wether the object has died and destroy
175 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 208 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
… …
178 // this politely asks everybody interested the reduce 211 // this politely asks everybody interested the reduce
179 // the refcount to 0 as soon as possible. 212 // the refcount to 0 as soon as possible.
180 MTH void destroy (); 213 MTH void destroy ();
181 214
182 // return wether an object was destroyed already 215 // return wether an object was destroyed already
183 MTH bool destroyed () const { return flags & F_DESTROYED; } 216 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
184 217
185 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 218 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
186 219
187#if 0 220#if 0
188private: 221private:
… …
196 229
197 void sever_self (); // sever this object from its self, if it has one. 230 void sever_self (); // sever this object from its self, if it has one.
198 void optimise (); // possibly save some memory by destroying unneeded data 231 void optimise (); // possibly save some memory by destroying unneeded data
199 232
200 attachable () 233 attachable ()
201 : flags (0), self (0), cb (0), attach (0) 234 : attachable_flags (0), self (0), cb (0), attach (0)
202 { 235 {
203 } 236 }
204 237
205 attachable (const attachable &src) 238 attachable (const attachable &src)
206 : flags (0), self (0), cb (0), attach (src.attach) 239 : attachable_flags (0), self (0), cb (0), attach (src.attach)
207 { 240 {
208 } 241 }
209 242
210 // set a custom key to the given value, or delete it if value = 0 243 // set a custom key to the given value, or delete it if value = 0
211 void set_key (const char *key, const char *value = 0); 244 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
245
246 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
247 {
248 set_key (key, value, 1);
249 }
250
251 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
252 {
253 set_key (key, value, 0);
254 }
212 255
213 attachable &operator =(const attachable &src); 256 attachable &operator =(const attachable &src);
214 257
215 // used to _quickly_ device wether to shortcut the evaluation 258 // used to _quickly_ decide wether to shortcut the evaluation
216 bool should_invoke (event_type event) 259 bool should_invoke (event_type event)
217 { 260 {
218 return ev_want_event [event] || cb; 261 return ev_want_event [event] || cb;
219 } 262 }
220 263
… …
242 285
243extern struct global gbl_ev; 286extern struct global gbl_ev;
244 287
245////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 288//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
246 289
290// a little dirty hack, maybe unify with something else at a later time
291struct keyword_string
292{
293 const char *s;
294 const int l;
295
296 keyword_string (const char *s, int l)
297 : s(s), l(l)
298 { }
299
300 keyword_string (keyword kw)
301 : s(keyword_str [kw]), l(keyword_len [kw])
302 {
303 }
304
305 keyword_string (shstr_tmp sh)
306 : s(&sh), l(sh.length ())
307 {
308 }
309};
310
311#define CS(keyword) keyword_string (# keyword, sizeof (# keyword) - 1)
312#define KW(keyword) CS(keyword)
313
314INTERFACE_CLASS(object_freezer)
247struct object_freezer : dynbuf_text 315struct object_freezer : dynbuf_text
248{ 316{
249 AV *av; 317 AV *av;
250 318
251 object_freezer (); 319 object_freezer ();
252 ~object_freezer (); 320 ~object_freezer ();
253 321
322 // serialise perl part
254 void put (attachable *ext); 323 void put_ (attachable *ext);
255 324 void put (attachable *ext)
256 // used only for user-defined key-value pairs
257 void put (const shstr &k, const shstr &v)
258 { 325 {
259 add (k); 326 if (expect_false (ext->self))
327 put_ (ext);
328 }
260 329
330 // null value (== no space after keyword)
331 void put (const keyword_string k)
332 {
333 char *p = force (k.l + 1);
334 memcpy (p, k.s, k.l); p += k.l; *p++ = '\n';
335 alloc (p);
336 }
337
338 void put (const keyword_string k, const keyword_string v)
339 {
340 char *p = force (k.l + 1 + v.l + 1);
341 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
342 memcpy (p, v.s, v.l); p += v.l; *p++ = '\n';
343 alloc (p);
344 }
345
346 void put (const keyword_string k, const_utf8_string v)
347 {
261 if (expect_true (v)) 348 if (expect_true (v))
262 add (' '), add (v); 349 put (k, keyword_string (v, strlen (v)));
263 350 else
264 add ('\n'); 351 put (k);
265 } 352 }
266 353
267 template<typename T> 354 void put (const keyword_string k, shstr_tmp v)
268 void put_kw_string (keyword k, const T &v)
269 { 355 {
270 int klen = keyword_len [k]; 356 put (k, keyword_string (v));
271 int vlen = v ? strlen (v) + 1 : 0;
272
273 char *p = (char *)alloc (klen + vlen + 1);
274
275 memcpy (p, keyword_str [k], klen); p += klen;
276
277 if (expect_true (v))
278 {
279 *p++ = ' '; vlen--;
280 memcpy (p, v, vlen); p += vlen;
281 }
282
283 *p = '\n';
284 } 357 }
285 358
286 void put (keyword k, const char *v = 0)
287 {
288 put_kw_string (k, v);
289 }
290
291 void put (keyword k, const shstr &v)
292 {
293 put_kw_string (k, v);
294 }
295
296 void put (keyword k, double v) 359 void put (const keyword_string k, double v)
297 { 360 {
298 force (MAX_KEYWORD_LEN + 2 + 32); 361 char *p = force (MAX_KEYWORD_LEN + 2 + 32);
299 fadd (keyword_str [k], keyword_len [k]); 362 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
300 fadd (' '); 363 p += sprintf (p, "%.7g", v); *p++ = '\n';
301 falloc (sprintf (ptr, "%.7g", v)); 364 alloc (p);
302 fadd ('\n');
303 } 365 }
304 366
305 void put_(keyword k, sint64 v) 367 void put_(const keyword_string k, sint64 v)
306 { 368 {
307 force (MAX_KEYWORD_LEN + 2 + sint64_digits); 369 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
308 fadd (keyword_str [k], keyword_len [k]); 370 fadd (k.s, k.l);
309 fadd (' '); 371 fadd (' ');
310 add (v); 372 add (v);
311 fadd ('\n'); 373 fadd ('\n');
312 } 374 }
313 375
314 void put_(keyword k, sint32 v) 376 void put_(const keyword_string k, sint32 v)
315 { 377 {
316 force (MAX_KEYWORD_LEN + 2 + sint32_digits); 378 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
317 fadd (keyword_str [k], keyword_len [k]); 379 fadd (k.s, k.l);
318 fadd (' '); 380 fadd (' ');
319 add (v); 381 add (v);
320 fadd ('\n'); 382 fadd ('\n');
321 } 383 }
322 384
323 void put (keyword k, float v) { put (k, (double)v); } 385 void put (const keyword_string k, float v) { put (k, (double)v); }
324 void put (keyword k, signed char v) { put_(k, (sint32)v); } 386 void put (const keyword_string k, signed char v) { put_(k, (sint32)v); }
325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 387 void put (const keyword_string k, unsigned char v) { put_(k, (sint32)v); }
326 void put (keyword k, signed short v) { put_(k, (sint32)v); } 388 void put (const keyword_string k, signed short v) { put_(k, (sint32)v); }
327 void put (keyword k, unsigned short v) { put_(k, (sint32)v); } 389 void put (const keyword_string k, unsigned short v) { put_(k, (sint32)v); }
328 void put (keyword k, signed int v) { put_(k, (sint32)v); } 390 void put (const keyword_string k, signed int v) { put_(k, (sint32)v); }
329 void put (keyword k, unsigned int v) { put_(k, (sint64)v); } 391 void put (const keyword_string k, unsigned int v) { put_(k, (sint64)v); }
330 void put (keyword k, signed long v) { put_(k, (sint64)v); } 392 void put (const keyword_string k, signed long v) { put_(k, (sint64)v); }
331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 393 void put (const keyword_string k, unsigned long v) { put_(k, (sint64)v); }
332 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 394 void put (const keyword_string k, signed long long v) { put_(k, (sint64)v); }
333 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 395 void put (const keyword_string k, unsigned long long v) { put_(k, (sint64)v); }
334 396
335 void put (keyword kbeg, keyword kend, const shstr &v) 397 void put (const keyword_string kbeg, const keyword_string kend, shstr_tmp v)
336 { 398 {
337 force (MAX_KEYWORD_LEN + 1); 399 force (MAX_KEYWORD_LEN + 1);
338 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 400 fadd (kbeg.s, kbeg.l); fadd ('\n');
339 401
340 if (expect_true (v)) 402 if (expect_true (v))
341 { 403 {
342 add (v); 404 add (v);
343 add ('\n'); 405 add ('\n');
344 } 406 }
345 407
346 force (MAX_KEYWORD_LEN + 1); 408 force (MAX_KEYWORD_LEN + 1);
347 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 409 fadd (kend.s, kend.l); fadd ('\n');
348 } 410 }
349 411
350 void put (keyword k, archetype *v); 412 void put (const keyword_string k, archetype *v);
351 void put (keyword k, treasurelist *v); 413 void put (const keyword_string k, treasurelist *v);
352 void put (keyword k, faceinfo *v); 414 void put (const keyword_string k, faceinfo *v);
353 415
354 template<typename T> 416 template<typename T>
355 void put (keyword k, const refptr<T> &v) 417 void put (const keyword_string k, const refptr<T> &v)
356 { 418 {
357 put (k, (T *)v); 419 put (k, (T *)v);
358 } 420 }
359 421
360 bool save (const char *path); 422 MTH bool save (const_octet_string path);
361 char *as_string (); // like strdup 423 utf8_string as_string (); // like strdup
362 424
363 operator bool () { return !!av; } 425 operator bool () { return !!av; }
364}; 426};
365 427
428INTERFACE_CLASS(object_thawer)
366struct object_thawer 429struct object_thawer
367{ 430{
368 char *line; // current beginning of line 431 char *line; // current beginning of line
369 SV *text; // text part 432 SV *text; // text part
370 AV *av; // perl part 433 AV *av; // perl part
371 int linenum; 434 int linenum;
372 keyword kw; 435 keyword kw;
373 char *kw_str; // the keyword parsed, as string 436 char *kw_str; // the keyword parsed, as string
374 char *value; // the value, or 0 if no value 437 char *value; // the value, or 0 if no value
375 char *value_nn; // the value, or the empty string if no value 438 const char *value_nn; // the value, or the empty string if no value
376 const char *name; 439 const char *name;
377 440
378 operator bool () { return !!text; } 441 operator bool () const { return !!text; }
379 442
380 object_thawer (const char *path = 0); 443 object_thawer (const_utf8_string path = 0);
381 object_thawer (const char *data, AV *perlav); 444 object_thawer (const_utf8_string data, AV *perlav);
382 ~object_thawer (); 445 ~object_thawer ();
383 446
384 void get (attachable *obj, int oid); 447 void get (attachable *obj, int oid);
385 448
386 // parse next line 449 // parse next line
387 void next (); 450 MTH void next ();
388 // skip the current key-value (usually fetch next line, for 451 // skip the current key-value (usually fetch next line, for
389 // multiline-fields, skips till the corresponding end-kw 452 // multiline-fields, skips till the corresponding end-kw
390 void skip (); 453 MTH void skip ();
454 MTH void skip_block (); // skips till and over KW_end
391 455
392 char *get_str () { return value; } // may be 0 456 bool has_value () { return value; }
457 const_utf8_string get_str () { return value_nn; } // empty string when missing
393 void get_ml (keyword kend, shstr &sh); 458 void get_ml (keyword kend, shstr &sh);
394 459
395 void get_ornull (shstr &sh) const { sh = value; } 460 void get_ornull (shstr &sh) const { sh = value; }
396 void get (shstr &sh) const { sh = value; } // might want to check for non-null here 461 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
397 462
… …
411 void get (sint32 &i) { i = get_sint32 (); } 476 void get (sint32 &i) { i = get_sint32 (); }
412 477
413 void get (uint32 &i) { i = get_sint64 (); } 478 void get (uint32 &i) { i = get_sint64 (); }
414 void get (sint64 &i) { i = get_sint64 (); } 479 void get (sint64 &i) { i = get_sint64 (); }
415 480
416 void parse_warn (const char *msg); 481 MTH void parse_warn (const_utf8_string msg);
417 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 482 MTH bool parse_error (const_utf8_string type = 0, const_utf8_string name = 0, bool skip = true);
483
484 struct delayed_ref {
485 attachable *op;
486 object_ptr *ptr;
487 const_utf8_string ref;
488 };
489 std::vector<delayed_ref> delrefs;
490
491 void delayed_deref (attachable *op, object_ptr &ptr, const_utf8_string ref);
492 MTH void resolve_delayed_derefs (bool deref = true);
418}; 493};
419 494
420//TODO: remove 495//TODO: remove
421char *fgets (char *s, int n, object_thawer &thawer); 496char *fgets (char *s, int n, object_thawer &thawer);
422 497
423////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 498//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
424 499
425struct coroapi { 500struct coroapi {
426 static struct CoroAPI *GCoroAPI; 501 static struct CoroAPI *GCoroAPI;
427 502
503 static EV_ATOMIC_T cede_pending;
504
428 static int nready () { return CORO_NREADY; } 505 static int nready () { return CORO_NREADY; }
429 static int cede () { return CORO_CEDE ; } 506 static int cede () { cede_pending = 0; return CORO_CEDE ; }
430 507
431 static tstamp next_cede;
432 static int cede_counter;
433
434 static void do_cede_every ();
435 static void do_cede_to_tick (); 508 static void do_cede_to_tick ();
436 static void do_cede_to_tick_every ();
437 509
438 static void cede_every (int count) 510 // actually cede's far more often
439 {
440 if (expect_false (++cede_counter >= count))
441 do_cede_every ();
442 }
443
444 static bool cede_to_tick () 511 static bool cede_to_tick ()
445 { 512 {
446 if (expect_true (now () < next_cede)) 513 if (expect_true (!cede_pending))
447 return false; 514 return false;
448 515
449 do_cede_to_tick (); 516 do_cede_to_tick ();
450 return true; 517 return true;
451 } 518 }
452 519
453 static bool cede_to_tick_every (int count)
454 {
455 if (expect_true (++cede_counter < count))
456 return false;
457
458 return cede_to_tick ();
459 }
460
461 static void wait_for_tick (); 520 static void wait_for_tick ();
462 static void wait_for_tick_begin (); 521 static void wait_for_tick_begin ();
463}; 522};
464 523
465struct watcher_base 524struct evapi
466{ 525{
467 static struct EventAPI *GEventAPI; 526 static struct EVAPI *GEVAPI;
468}; 527};
469 528
470template<class base>
471struct watcher : watcher_base
472{
473 base *pe;
474
475 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
476 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
477 void now () { GEventAPI->now ((pe_watcher *)pe); }
478 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
479 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
480
481 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
482
483 ~watcher ()
484 {
485 cancel ();
486 }
487
488private:
489 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
490};
491
492struct iw : watcher<pe_idle>, callback<void (iw &)>
493{
494 template<class O, class M>
495 iw (O object, M method)
496 : callback<void (iw &)> (object, method)
497 {
498 alloc ();
499 }
500
501private:
502 void alloc ();
503};
504
505struct iow : watcher<pe_io>, callback<void (iow &, int)> 529struct iow : ev_io, evapi, callback<void (iow &, int)>
506{ 530{
531 static void thunk (EV_P_ struct ev_io *w_, int revents)
532 {
533 iow &w = *static_cast<iow *>(w_);
534
535 w (w, revents);
536 }
537
507 template<class O, class M> 538 template<class O, class M>
508 iow (O object, M method) 539 iow (O object, M method)
509 : callback<void (iow &, int)> (object, method) 540 : callback<void (iow &, int)> (object, method)
510 { 541 {
511 alloc (); 542 ev_init ((ev_io *)this, thunk);
512 } 543 }
513 544
514 void fd (int fd); 545 void prio (int prio)
515 int poll (); 546 {
547 ev_set_priority ((ev_io *)this, prio);
548 }
549
550 void set (int fd, int events)
551 {
552 ev_io_set ((ev_io *)this, fd, events);
553 }
554
555 int poll () const { return events; }
556
516 void poll (int events); 557 void poll (int events);
517 558
518private: 559 void start ()
519 void alloc (); 560 {
561 ev_io_start (EV_DEFAULT, (ev_io *)this);
562 }
563
564 void stop ()
565 {
566 ev_io_stop (EV_DEFAULT, (ev_io *)this);
567 }
568
569 ~iow ()
570 {
571 stop ();
572 }
573};
574
575struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
576{
577 static void thunk (EV_P_ struct ev_async *w_, int revents)
578 {
579 asyncw &w = *static_cast<asyncw *>(w_);
580
581 w (w, revents);
582 }
583
584 template<class O, class M>
585 asyncw (O object, M method)
586 : callback<void (asyncw &, int)> (object, method)
587 {
588 ev_init ((ev_async *)this, thunk);
589 }
590
591 void start ()
592 {
593 ev_async_start (EV_DEFAULT, (ev_async *)this);
594 }
595
596 void stop ()
597 {
598 ev_async_stop (EV_DEFAULT, (ev_async *)this);
599 }
600
601 ~asyncw ()
602 {
603 stop ();
604 }
520}; 605};
521 606
522#endif 607#endif
523 608

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