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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.80 by root, Sun Jun 24 04:09:29 2007 UTC vs.
Revision 1.109 by root, Tue Nov 3 23:44:20 2009 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 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 it 6 * Deliantra is free software: you can redistribute it and/or modify it under
9 * under the terms of the GNU General Public License as published by the Free 7 * the terms of the Affero GNU General Public License as published by the
10 * Software Foundation; either version 2 of the License, or (at your option) 8 * Free Software Foundation, either version 3 of the License, or (at your
11 * any later version. 9 * option) any later version.
12 * 10 *
13 * This program is distributed in the hope that it will be useful, but 11 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * 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 along 16 * You should have received a copy of the Affero GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 17 * and the GNU General Public License along with this program. If not, see
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * <http://www.gnu.org/licenses/>.
21 * 19 *
22 * 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>
23 */ 21 */
24 22
25// 23//
26// cfperl.h perl interface 24// cfperl.h perl interface
27// 25//
… …
36 34
37#include <EXTERN.h> 35#include <EXTERN.h>
38#include <perl.h> 36#include <perl.h>
39#include <XSUB.h> 37#include <XSUB.h>
40 38
41#include <EventAPI.h> 39#include <EVAPI.h>
42#include <CoroAPI.h> 40#include <CoroAPI.h>
43 41
44#include "util.h" 42#include "util.h"
45#include "keyword.h" 43#include "keyword.h"
46#include "dynbuf.h" 44#include "dynbuf.h"
… …
51// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 49// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
52#undef localtime 50#undef localtime
53#undef srand48 51#undef srand48
54#undef drand48 52#undef drand48
55#undef srandom 53#undef srandom
54#undef opendir
56#undef readdir 55#undef readdir
56#undef closedir
57#undef getprotobyname 57#undef getprotobyname
58#undef gethostbyname 58#undef gethostbyname
59#undef ctime 59#undef ctime
60#undef strerror 60#undef strerror
61#undef _
61 62
62// same here, massive symbol spamming 63// same here, massive symbol spamming
63#undef do_open 64#undef do_open
64#undef do_close 65#undef do_close
65#undef ref 66#undef ref
… …
70#undef random 71#undef random
71#undef crypt 72#undef crypt
72 73
73////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 74//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
74 75
76#define _(msg) (msg)
77#define N_(msg) (msg)
78
79//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
80
75// some macros to simplify perl in-calls 81// some macros to simplify perl in-calls
76 82
77#define CHECK_ERROR \ 83#define CHECK_ERROR \
78 if (SvTRUE (ERRSV)) \ 84 if (SvTRUE (ERRSV)) \
79 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); }
80 89
81#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)
82#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
83#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 92#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
84#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;
85#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 94#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
86 95
87////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
88 97
89void cfperl_init (); 98void cfperl_init ();
90void cfperl_main (); 99void cfperl_main ();
100void cfperl_tick ();
91void cfperl_emergency_save (); 101void cfperl_emergency_save ();
92void cfperl_cleanup (int make_core); 102void cfperl_cleanup (int make_core);
93void cfperl_make_book (object *book, int level); 103void cfperl_make_book (object *book, int level);
94void 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);
95 107
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
96////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 112//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
113
114#if IVSIZE >= 8
115 typedef IV val64;
116 typedef IV uval64;
117# define newSVval64 newSViv
118# define SvVAL64 SvIV
119# define newSVuval64 newSVuv
120# define SvUVAL64 SvUV
121#else
122 typedef double val64;
123 typedef double uval64;
124# define newSVval64 newSVnv
125# define SvVAL64 SvNV
126# define newSVuval64 newSVnv
127# define SvUVAL64 SvNV
128#endif
97 129
98extern tstamp runtime; // virtual server time, excluding time jumps and lag 130extern tstamp runtime; // virtual server time, excluding time jumps and lag
99extern tstamp NOW; // real time of current server tick 131extern tstamp NOW; // real time of current server tick
100 132
101enum event_klass 133enum event_klass
… …
154int cfperl_result_INT (int idx); 186int cfperl_result_INT (int idx);
155 187
156////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 188//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
157 189
158INTERFACE_CLASS (attachable) 190INTERFACE_CLASS (attachable)
159struct attachable 191struct attachable : refcnt_base
160{ 192{
161 static MGVTBL vtbl; 193 static MGVTBL vtbl;
162
163 static unordered_vector<attachable *> mortals;
164 MTH static void check_mortals ();
165 194
166 enum { 195 enum {
167 F_DESTROYED = 0x01, 196 F_DESTROYED = 0x01,
168 F_DEBUG_TRACE = 0x02, 197 F_DEBUG_TRACE = 0x02,
169 }; 198 };
199 uint8 ACC (RW, flags);
200
201 static unordered_vector<attachable *> mortals;
202 MTH static void check_mortals ();
170 203
171 // object is delete'd after the refcount reaches 0 204 // object is delete'd after the refcount reaches 0
172 int ACC (RW, flags);
173 mutable int ACC (RW, refcnt);
174
175 MTH void refcnt_inc () const { ++refcnt; }
176 MTH void refcnt_dec () const { --refcnt; }
177
178 MTH int refcnt_cnt () const; 205 MTH int refcnt_cnt () const;
179 // check wether the object has died and destroy 206 // check wether the object has died and destroy
180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 207 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
181 208
182 // destroy the object unless it was already destroyed 209 // destroy the object unless it was already destroyed
… …
201 228
202 void sever_self (); // sever this object from its self, if it has one. 229 void sever_self (); // sever this object from its self, if it has one.
203 void optimise (); // possibly save some memory by destroying unneeded data 230 void optimise (); // possibly save some memory by destroying unneeded data
204 231
205 attachable () 232 attachable ()
206 : flags (0), refcnt (0), self (0), cb (0), attach (0) 233 : flags (0), self (0), cb (0), attach (0)
207 { 234 {
208 } 235 }
209 236
210 attachable (const attachable &src) 237 attachable (const attachable &src)
211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 238 : flags (0), self (0), cb (0), attach (src.attach)
212 { 239 {
213 } 240 }
214 241
215 virtual ~attachable (); 242 // set a custom key to the given value, or delete it if value = 0
243 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
244
245 void set_key_text (const char *key, const char *value = 0)
246 {
247 set_key (key, value, 1);
248 }
249
250 void set_key_data (const char *key, const char *value = 0)
251 {
252 set_key (key, value, 0);
253 }
216 254
217 attachable &operator =(const attachable &src); 255 attachable &operator =(const attachable &src);
218 256
219 // used to _quickly_ device wether to shortcut the evaluation 257 // used to _quickly_ device wether to shortcut the evaluation
220 bool should_invoke (event_type event) 258 bool should_invoke (event_type event)
… …
231 // do the real refcount checking work 269 // do the real refcount checking work
232 void do_check (); 270 void do_check ();
233 271
234 // the method that does the real destroy work 272 // the method that does the real destroy work
235 virtual void do_destroy (); 273 virtual void do_destroy ();
274
275 // destructor is protected, should not be called by anybody
276 virtual ~attachable ();
236}; 277};
237 278
238// the global object is a pseudo object that cares for the global events 279// the global object is a pseudo object that cares for the global events
239struct global : attachable 280struct global : attachable
240{ 281{
… …
243 284
244extern struct global gbl_ev; 285extern struct global gbl_ev;
245 286
246////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 287//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
247 288
289INTERFACE_CLASS(object_freezer)
248struct object_freezer : dynbuf_text 290struct object_freezer : dynbuf_text
249{ 291{
250 AV *av; 292 AV *av;
251 293
252 object_freezer (); 294 object_freezer ();
253 ~object_freezer (); 295 ~object_freezer ();
254 296
255 void put (attachable *ext); 297 void put (attachable *ext);
256 298
257 // used only for user-defined key-value pairs 299 // used only for user-defined key-value pairs
258 void put (const shstr &k, const shstr &v) 300 void put (shstr_tmp k, shstr_tmp v)
259 { 301 {
260 add (k); 302 add (k);
261 303
262 if (expect_true (v)) 304 if (expect_true (v))
263 add (' '), add (v); 305 add (' '), add (v);
… …
287 void put (keyword k, const char *v = 0) 329 void put (keyword k, const char *v = 0)
288 { 330 {
289 put_kw_string (k, v); 331 put_kw_string (k, v);
290 } 332 }
291 333
292 void put (keyword k, const shstr &v) 334 void put (keyword k, shstr_tmp v)
293 { 335 {
294 put_kw_string (k, v); 336 put_kw_string (k, v);
295 } 337 }
296 338
297 void put (keyword k, double v) 339 void put (keyword k, double v)
… …
331 void put (keyword k, signed long v) { put_(k, (sint64)v); } 373 void put (keyword k, signed long v) { put_(k, (sint64)v); }
332 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 374 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
333 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 375 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); } 376 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
335 377
336 void put (keyword kbeg, keyword kend, const shstr &v) 378 void put (keyword kbeg, keyword kend, shstr_tmp v)
337 { 379 {
338 force (MAX_KEYWORD_LEN + 1); 380 force (MAX_KEYWORD_LEN + 1);
339 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 381 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
340 382
341 if (expect_true (v)) 383 if (expect_true (v))
… …
356 void put (keyword k, const refptr<T> &v) 398 void put (keyword k, const refptr<T> &v)
357 { 399 {
358 put (k, (T *)v); 400 put (k, (T *)v);
359 } 401 }
360 402
361 bool save (const char *path); 403 MTH bool save (const_octet_string path);
362 char *as_string (); // like strdup 404 char *as_string (); // like strdup
363 405
364 operator bool () { return !!av; } 406 operator bool () { return !!av; }
365}; 407};
366 408
409INTERFACE_CLASS(object_thawer)
367struct object_thawer 410struct object_thawer
368{ 411{
369 char *line; // current beginning of line 412 char *line; // current beginning of line
370 SV *text; // text part 413 SV *text; // text part
371 AV *av; // perl part 414 AV *av; // perl part
372 int linenum; 415 int linenum;
373 keyword kw; 416 keyword kw;
374 char *kw_str; // the keyword parsed, as string 417 char *kw_str; // the keyword parsed, as string
375 char *value; // the value, or 0 if no value 418 char *value; // the value, or 0 if no value
376 char *value_nn; // the value, or the empty string if no value 419 const char *value_nn; // the value, or the empty string if no value
377 const char *name; 420 const char *name;
378 421
379 operator bool () { return !!text; } 422 operator bool () const { return !!text; }
380 423
381 object_thawer (const char *path = 0); 424 object_thawer (const char *path = 0);
382 object_thawer (const char *data, AV *perlav); 425 object_thawer (const char *data, AV *perlav);
383 ~object_thawer (); 426 ~object_thawer ();
384 427
385 void get (attachable *obj, int oid); 428 void get (attachable *obj, int oid);
386 429
387 // parse next line 430 // parse next line
388 void next (); 431 MTH void next ();
389 // skip the current key-value (usually fetch next line, for 432 // skip the current key-value (usually fetch next line, for
390 // multiline-fields, skips till the corresponding end-kw 433 // multiline-fields, skips till the corresponding end-kw
391 void skip (); 434 MTH void skip ();
435 MTH void skip_block (); // skips till and over KW_end
392 436
393 char *get_str () { return value; } // may be 0 437 char *get_str () { return value; } // may be 0
394 void get_ml (keyword kend, shstr &sh); 438 void get_ml (keyword kend, shstr &sh);
395 439
396 void get_ornull (shstr &sh) const { sh = value; } 440 void get_ornull (shstr &sh) const { sh = value; }
… …
412 void get (sint32 &i) { i = get_sint32 (); } 456 void get (sint32 &i) { i = get_sint32 (); }
413 457
414 void get (uint32 &i) { i = get_sint64 (); } 458 void get (uint32 &i) { i = get_sint64 (); }
415 void get (sint64 &i) { i = get_sint64 (); } 459 void get (sint64 &i) { i = get_sint64 (); }
416 460
461 MTH void parse_warn (const char *msg);
417 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 462 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
463
464 struct delayed_ref {
465 attachable *op;
466 object_ptr *ptr;
467 const char *ref;
468 };
469 std::vector<delayed_ref> delrefs;
470
471 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
472 MTH void resolve_delayed_derefs (bool deref = true);
418}; 473};
419 474
420//TODO: remove 475//TODO: remove
421char *fgets (char *s, int n, object_thawer &thawer); 476char *fgets (char *s, int n, object_thawer &thawer);
422 477
423////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 478//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
424 479
425struct coroapi { 480struct coroapi {
426 static struct CoroAPI *GCoroAPI; 481 static struct CoroAPI *GCoroAPI;
427 482
483 static EV_ATOMIC_T cede_pending;
484
428 static int nready () { return CORO_NREADY; } 485 static int nready () { return CORO_NREADY; }
429 static int cede () { return CORO_CEDE ; } 486 static int cede () { cede_pending = 0; return CORO_CEDE ; }
430 487
431 static tstamp next_cede;
432 static int cede_counter;
433
434 static void do_cede_every ();
435 static void do_cede_to_tick (); 488 static void do_cede_to_tick ();
436 static void do_cede_to_tick_every ();
437 489
438 static void cede_every (int count) 490 // 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 () 491 static bool cede_to_tick ()
445 { 492 {
446 if (expect_true (now () < next_cede)) 493 if (expect_true (!cede_pending))
447 return false; 494 return false;
448 495
449 do_cede_to_tick (); 496 do_cede_to_tick ();
450 return true; 497 return true;
451 } 498 }
452 499
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 (); 500 static void wait_for_tick ();
462 static void wait_for_tick_begin (); 501 static void wait_for_tick_begin ();
463}; 502};
464 503
465struct watcher_base 504struct evapi
466{ 505{
467 static struct EventAPI *GEventAPI; 506 static struct EVAPI *GEVAPI;
468}; 507};
469 508
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)> 509struct iow : ev_io, evapi, callback<void (iow &, int)>
506{ 510{
511 static void thunk (EV_P_ struct ev_io *w_, int revents)
512 {
513 iow &w = *static_cast<iow *>(w_);
514
515 w (w, revents);
516 }
517
507 template<class O, class M> 518 template<class O, class M>
508 iow (O object, M method) 519 iow (O object, M method)
509 : callback<void (iow &, int)> (object, method) 520 : callback<void (iow &, int)> (object, method)
510 { 521 {
511 alloc (); 522 ev_init ((ev_io *)this, thunk);
512 } 523 }
513 524
514 void fd (int fd); 525 void prio (int prio)
515 int poll (); 526 {
527 ev_set_priority ((ev_io *)this, prio);
528 }
529
530 void set (int fd, int events)
531 {
532 ev_io_set ((ev_io *)this, fd, events);
533 }
534
535 int poll () const { return events; }
536
516 void poll (int events); 537 void poll (int events);
517 538
518private: 539 void start ()
519 void alloc (); 540 {
541 ev_io_start (EV_DEFAULT, (ev_io *)this);
542 }
543
544 void stop ()
545 {
546 ev_io_stop (EV_DEFAULT, (ev_io *)this);
547 }
548
549 ~iow ()
550 {
551 stop ();
552 }
553};
554
555struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
556{
557 static void thunk (EV_P_ struct ev_async *w_, int revents)
558 {
559 asyncw &w = *static_cast<asyncw *>(w_);
560
561 w (w, revents);
562 }
563
564 template<class O, class M>
565 asyncw (O object, M method)
566 : callback<void (asyncw &, int)> (object, method)
567 {
568 ev_init ((ev_async *)this, thunk);
569 }
570
571 void start ()
572 {
573 ev_async_start (EV_DEFAULT, (ev_async *)this);
574 }
575
576 void stop ()
577 {
578 ev_async_stop (EV_DEFAULT, (ev_async *)this);
579 }
580
581 ~asyncw ()
582 {
583 stop ();
584 }
520}; 585};
521 586
522#endif 587#endif
523 588

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