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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.87 by root, Thu Aug 16 06:36:56 2007 UTC vs.
Revision 1.108 by root, Mon Oct 12 14:00:58 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 8 * 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 9 * 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 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * 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/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
23 24
24// 25//
25// cfperl.h perl interface 26// cfperl.h perl interface
26// 27//
… …
35 36
36#include <EXTERN.h> 37#include <EXTERN.h>
37#include <perl.h> 38#include <perl.h>
38#include <XSUB.h> 39#include <XSUB.h>
39 40
40#include <EventAPI.h> 41#include <EVAPI.h>
41#include <CoroAPI.h> 42#include <CoroAPI.h>
42 43
43#include "util.h" 44#include "util.h"
44#include "keyword.h" 45#include "keyword.h"
45#include "dynbuf.h" 46#include "dynbuf.h"
… …
50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 51// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
51#undef localtime 52#undef localtime
52#undef srand48 53#undef srand48
53#undef drand48 54#undef drand48
54#undef srandom 55#undef srandom
56#undef opendir
55#undef readdir 57#undef readdir
58#undef closedir
56#undef getprotobyname 59#undef getprotobyname
57#undef gethostbyname 60#undef gethostbyname
58#undef ctime 61#undef ctime
59#undef strerror 62#undef strerror
60#undef _ 63#undef _
… …
79 82
80// some macros to simplify perl in-calls 83// some macros to simplify perl in-calls
81 84
82#define CHECK_ERROR \ 85#define CHECK_ERROR \
83 if (SvTRUE (ERRSV)) \ 86 if (SvTRUE (ERRSV)) \
84 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 87 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
88
89inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
90inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
85 91
86#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 92#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
87#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 93#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
88#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 94#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
89#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; 95#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
90#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 96#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
91 97
92////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 98//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
93 99
94void cfperl_init (); 100void cfperl_init ();
95void cfperl_main (); 101void cfperl_main ();
102void cfperl_tick ();
96void cfperl_emergency_save (); 103void cfperl_emergency_save ();
97void cfperl_cleanup (int make_core); 104void cfperl_cleanup (int make_core);
98void cfperl_make_book (object *book, int level); 105void cfperl_make_book (object *book, int level);
99void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); 106void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
100int cfperl_can_merge (object *ob1, object *ob2); 107int cfperl_can_merge (object *ob1, object *ob2);
108void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
101 109
110bool is_match_expr (const char *expr);
111/* applies the match expression and returns true if it matches */
112bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
113
102////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 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
103 131
104extern tstamp runtime; // virtual server time, excluding time jumps and lag 132extern tstamp runtime; // virtual server time, excluding time jumps and lag
105extern tstamp NOW; // real time of current server tick 133extern tstamp NOW; // real time of current server tick
106 134
107enum event_klass 135enum event_klass
… …
164INTERFACE_CLASS (attachable) 192INTERFACE_CLASS (attachable)
165struct attachable : refcnt_base 193struct attachable : refcnt_base
166{ 194{
167 static MGVTBL vtbl; 195 static MGVTBL vtbl;
168 196
169 static unordered_vector<attachable *> mortals;
170 MTH static void check_mortals ();
171
172 enum { 197 enum {
173 F_DESTROYED = 0x01, 198 F_DESTROYED = 0x01,
174 F_DEBUG_TRACE = 0x02, 199 F_DEBUG_TRACE = 0x02,
175 }; 200 };
176 int ACC (RW, flags); 201 uint8 ACC (RW, flags);
202
203 static unordered_vector<attachable *> mortals;
204 MTH static void check_mortals ();
177 205
178 // object is delete'd after the refcount reaches 0 206 // object is delete'd after the refcount reaches 0
179 MTH int refcnt_cnt () const; 207 MTH int refcnt_cnt () const;
180 // check wether the object has died and destroy 208 // check wether the object has died and destroy
181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 209 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
… …
212 : flags (0), self (0), cb (0), attach (src.attach) 240 : flags (0), self (0), cb (0), attach (src.attach)
213 { 241 {
214 } 242 }
215 243
216 // 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
217 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 }
218 256
219 attachable &operator =(const attachable &src); 257 attachable &operator =(const attachable &src);
220 258
221 // used to _quickly_ device wether to shortcut the evaluation 259 // used to _quickly_ device wether to shortcut the evaluation
222 bool should_invoke (event_type event) 260 bool should_invoke (event_type event)
… …
248 286
249extern struct global gbl_ev; 287extern struct global gbl_ev;
250 288
251////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 289//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
252 290
291INTERFACE_CLASS(object_freezer)
253struct object_freezer : dynbuf_text 292struct object_freezer : dynbuf_text
254{ 293{
255 AV *av; 294 AV *av;
256 295
257 object_freezer (); 296 object_freezer ();
258 ~object_freezer (); 297 ~object_freezer ();
259 298
260 void put (attachable *ext); 299 void put (attachable *ext);
261 300
262 // used only for user-defined key-value pairs 301 // used only for user-defined key-value pairs
263 void put (const shstr &k, const shstr &v) 302 void put (shstr_tmp k, shstr_tmp v)
264 { 303 {
265 add (k); 304 add (k);
266 305
267 if (expect_true (v)) 306 if (expect_true (v))
268 add (' '), add (v); 307 add (' '), add (v);
… …
292 void put (keyword k, const char *v = 0) 331 void put (keyword k, const char *v = 0)
293 { 332 {
294 put_kw_string (k, v); 333 put_kw_string (k, v);
295 } 334 }
296 335
297 void put (keyword k, const shstr &v) 336 void put (keyword k, shstr_tmp v)
298 { 337 {
299 put_kw_string (k, v); 338 put_kw_string (k, v);
300 } 339 }
301 340
302 void put (keyword k, double v) 341 void put (keyword k, double v)
… …
336 void put (keyword k, signed long v) { put_(k, (sint64)v); } 375 void put (keyword k, signed long v) { put_(k, (sint64)v); }
337 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 376 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
338 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 377 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
339 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 378 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
340 379
341 void put (keyword kbeg, keyword kend, const shstr &v) 380 void put (keyword kbeg, keyword kend, shstr_tmp v)
342 { 381 {
343 force (MAX_KEYWORD_LEN + 1); 382 force (MAX_KEYWORD_LEN + 1);
344 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 383 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
345 384
346 if (expect_true (v)) 385 if (expect_true (v))
… …
361 void put (keyword k, const refptr<T> &v) 400 void put (keyword k, const refptr<T> &v)
362 { 401 {
363 put (k, (T *)v); 402 put (k, (T *)v);
364 } 403 }
365 404
366 bool save (const char *path); 405 MTH bool save (const_octet_string path);
367 char *as_string (); // like strdup 406 char *as_string (); // like strdup
368 407
369 operator bool () { return !!av; } 408 operator bool () { return !!av; }
370}; 409};
371 410
411INTERFACE_CLASS(object_thawer)
372struct object_thawer 412struct object_thawer
373{ 413{
374 char *line; // current beginning of line 414 char *line; // current beginning of line
375 SV *text; // text part 415 SV *text; // text part
376 AV *av; // perl part 416 AV *av; // perl part
377 int linenum; 417 int linenum;
378 keyword kw; 418 keyword kw;
379 char *kw_str; // the keyword parsed, as string 419 char *kw_str; // the keyword parsed, as string
380 char *value; // the value, or 0 if no value 420 char *value; // the value, or 0 if no value
381 char *value_nn; // the value, or the empty string if no value 421 const char *value_nn; // the value, or the empty string if no value
382 const char *name; 422 const char *name;
383 423
384 operator bool () { return !!text; } 424 operator bool () const { return !!text; }
385 425
386 object_thawer (const char *path = 0); 426 object_thawer (const char *path = 0);
387 object_thawer (const char *data, AV *perlav); 427 object_thawer (const char *data, AV *perlav);
388 ~object_thawer (); 428 ~object_thawer ();
389 429
390 void get (attachable *obj, int oid); 430 void get (attachable *obj, int oid);
391 431
392 // parse next line 432 // parse next line
393 void next (); 433 MTH void next ();
394 // skip the current key-value (usually fetch next line, for 434 // skip the current key-value (usually fetch next line, for
395 // multiline-fields, skips till the corresponding end-kw 435 // multiline-fields, skips till the corresponding end-kw
396 void skip (); 436 MTH void skip ();
437 MTH void skip_block (); // skips till and over KW_end
397 438
398 char *get_str () { return value; } // may be 0 439 char *get_str () { return value; } // may be 0
399 void get_ml (keyword kend, shstr &sh); 440 void get_ml (keyword kend, shstr &sh);
400 441
401 void get_ornull (shstr &sh) const { sh = value; } 442 void get_ornull (shstr &sh) const { sh = value; }
… …
417 void get (sint32 &i) { i = get_sint32 (); } 458 void get (sint32 &i) { i = get_sint32 (); }
418 459
419 void get (uint32 &i) { i = get_sint64 (); } 460 void get (uint32 &i) { i = get_sint64 (); }
420 void get (sint64 &i) { i = get_sint64 (); } 461 void get (sint64 &i) { i = get_sint64 (); }
421 462
422 void parse_warn (const char *msg); 463 MTH void parse_warn (const char *msg);
423 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 464 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
465
466 struct delayed_ref {
467 attachable *op;
468 object_ptr *ptr;
469 const char *ref;
470 };
471 std::vector<delayed_ref> delrefs;
472
473 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
474 MTH void resolve_delayed_derefs (bool deref = true);
424}; 475};
425 476
426//TODO: remove 477//TODO: remove
427char *fgets (char *s, int n, object_thawer &thawer); 478char *fgets (char *s, int n, object_thawer &thawer);
428 479
429////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 480//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
430 481
431struct coroapi { 482struct coroapi {
432 static struct CoroAPI *GCoroAPI; 483 static struct CoroAPI *GCoroAPI;
433 484
485 static EV_ATOMIC_T cede_pending;
486
434 static int nready () { return CORO_NREADY; } 487 static int nready () { return CORO_NREADY; }
435 static int cede () { return CORO_CEDE ; } 488 static int cede () { cede_pending = 0; return CORO_CEDE ; }
436 489
437 static tstamp next_cede;
438 static int cede_counter;
439
440 static void do_cede_every ();
441 static void do_cede_to_tick (); 490 static void do_cede_to_tick ();
442 static void do_cede_to_tick_every ();
443 491
444 static void cede_every (int count) 492 // actually cede's far more often
445 {
446 if (expect_false (++cede_counter >= count))
447 do_cede_every ();
448 }
449
450 static bool cede_to_tick () 493 static bool cede_to_tick ()
451 { 494 {
452 if (expect_true (now () < next_cede)) 495 if (expect_true (!cede_pending))
453 return false; 496 return false;
454 497
455 do_cede_to_tick (); 498 do_cede_to_tick ();
456 return true; 499 return true;
457 } 500 }
458 501
459 static bool cede_to_tick_every (int count)
460 {
461 if (expect_true (++cede_counter < count))
462 return false;
463
464 return cede_to_tick ();
465 }
466
467 static void wait_for_tick (); 502 static void wait_for_tick ();
468 static void wait_for_tick_begin (); 503 static void wait_for_tick_begin ();
469}; 504};
470 505
471struct watcher_base 506struct evapi
472{ 507{
473 static struct EventAPI *GEventAPI; 508 static struct EVAPI *GEVAPI;
474}; 509};
475 510
476template<class base>
477struct watcher : watcher_base
478{
479 base *pe;
480
481 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
482 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
483 void now () { GEventAPI->now ((pe_watcher *)pe); }
484 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
485 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
486
487 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
488
489 ~watcher ()
490 {
491 cancel ();
492 }
493
494private:
495 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
496};
497
498struct iw : watcher<pe_idle>, callback<void (iw &)>
499{
500 template<class O, class M>
501 iw (O object, M method)
502 : callback<void (iw &)> (object, method)
503 {
504 alloc ();
505 }
506
507private:
508 void alloc ();
509};
510
511struct iow : watcher<pe_io>, callback<void (iow &, int)> 511struct iow : ev_io, evapi, callback<void (iow &, int)>
512{ 512{
513 static void thunk (EV_P_ struct ev_io *w_, int revents)
514 {
515 iow &w = *static_cast<iow *>(w_);
516
517 w (w, revents);
518 }
519
513 template<class O, class M> 520 template<class O, class M>
514 iow (O object, M method) 521 iow (O object, M method)
515 : callback<void (iow &, int)> (object, method) 522 : callback<void (iow &, int)> (object, method)
516 { 523 {
517 alloc (); 524 ev_init ((ev_io *)this, thunk);
518 } 525 }
519 526
520 void fd (int fd); 527 void prio (int prio)
521 int poll (); 528 {
529 ev_set_priority ((ev_io *)this, prio);
530 }
531
532 void set (int fd, int events)
533 {
534 ev_io_set ((ev_io *)this, fd, events);
535 }
536
537 int poll () const { return events; }
538
522 void poll (int events); 539 void poll (int events);
523 540
524private: 541 void start ()
525 void alloc (); 542 {
543 ev_io_start (EV_DEFAULT, (ev_io *)this);
544 }
545
546 void stop ()
547 {
548 ev_io_stop (EV_DEFAULT, (ev_io *)this);
549 }
550
551 ~iow ()
552 {
553 stop ();
554 }
555};
556
557struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
558{
559 static void thunk (EV_P_ struct ev_async *w_, int revents)
560 {
561 asyncw &w = *static_cast<asyncw *>(w_);
562
563 w (w, revents);
564 }
565
566 template<class O, class M>
567 asyncw (O object, M method)
568 : callback<void (asyncw &, int)> (object, method)
569 {
570 ev_init ((ev_async *)this, thunk);
571 }
572
573 void start ()
574 {
575 ev_async_start (EV_DEFAULT, (ev_async *)this);
576 }
577
578 void stop ()
579 {
580 ev_async_stop (EV_DEFAULT, (ev_async *)this);
581 }
582
583 ~asyncw ()
584 {
585 stop ();
586 }
526}; 587};
527 588
528#endif 589#endif
529 590

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