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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 1.106 by root, Sun Oct 11 18:18:03 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 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 it 8 * Deliantra is free software: you can redistribute it and/or modify
9 * under the terms of the GNU General Public License as published by the Free 9 * it under the terms of the GNU General Public License as published by
10 * Software Foundation; either version 2 of the License, or (at your option) 10 * the Free Software Foundation, either version 3 of the License, or
11 * any later version. 11 * (at your option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, but 13 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * 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 along 18 * You should have received a copy of the GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 * 20 *
22 * The authors can be reached via e-mail to <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 22 */
24 23
25// 24//
26// cfperl.h perl interface 25// cfperl.h perl interface
27// 26//
… …
36 35
37#include <EXTERN.h> 36#include <EXTERN.h>
38#include <perl.h> 37#include <perl.h>
39#include <XSUB.h> 38#include <XSUB.h>
40 39
41#include <EventAPI.h> 40#include <EVAPI.h>
42#include <CoroAPI.h> 41#include <CoroAPI.h>
43 42
44#include "util.h" 43#include "util.h"
45#include "keyword.h" 44#include "keyword.h"
46#include "dynbuf.h" 45#include "dynbuf.h"
… …
51// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
52#undef localtime 51#undef localtime
53#undef srand48 52#undef srand48
54#undef drand48 53#undef drand48
55#undef srandom 54#undef srandom
55#undef opendir
56#undef readdir 56#undef readdir
57#undef closedir
57#undef getprotobyname 58#undef getprotobyname
58#undef gethostbyname 59#undef gethostbyname
59#undef ctime 60#undef ctime
60#undef strerror 61#undef strerror
62#undef _
61 63
62// same here, massive symbol spamming 64// same here, massive symbol spamming
63#undef do_open 65#undef do_open
64#undef do_close 66#undef do_close
65#undef ref 67#undef ref
… …
70#undef random 72#undef random
71#undef crypt 73#undef crypt
72 74
73////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
74 76
77#define _(msg) (msg)
78#define N_(msg) (msg)
79
80//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
81
75// some macros to simplify perl in-calls 82// some macros to simplify perl in-calls
76 83
77#define CHECK_ERROR \ 84#define CHECK_ERROR \
78 if (SvTRUE (ERRSV)) \ 85 if (SvTRUE (ERRSV)) \
79 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 86 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
80 87
81#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 88#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 89#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))) 90#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; 91#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
85#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 92#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
86 93
87////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 94//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
88 95
89void cfperl_init (); 96void cfperl_init ();
90void cfperl_main (); 97void cfperl_main ();
98void cfperl_tick ();
91void cfperl_emergency_save (); 99void cfperl_emergency_save ();
92void cfperl_cleanup (int make_core); 100void cfperl_cleanup (int make_core);
93void cfperl_make_book (object *book, int level); 101void cfperl_make_book (object *book, int level);
94void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); 102void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
103int cfperl_can_merge (object *ob1, object *ob2);
104void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
95 105
106bool is_match_expr (const char *expr);
107/* applies the match expression and returns true if it matches */
108bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
109
96////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 110//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
111
112#if IVSIZE >= 8
113 typedef IV val64;
114 typedef IV uval64;
115# define newSVval64 newSViv
116# define SvVAL64 SvIV
117# define newSVuval64 newSVuv
118# define SvUVAL64 SvUV
119#else
120 typedef double val64;
121 typedef double uval64;
122# define newSVval64 newSVnv
123# define SvVAL64 SvNV
124# define newSVuval64 newSVnv
125# define SvUVAL64 SvNV
126#endif
97 127
98extern tstamp runtime; // virtual server time, excluding time jumps and lag 128extern tstamp runtime; // virtual server time, excluding time jumps and lag
99extern tstamp NOW; // real time of current server tick 129extern tstamp NOW; // real time of current server tick
100 130
101enum event_klass 131enum event_klass
… …
154int cfperl_result_INT (int idx); 184int cfperl_result_INT (int idx);
155 185
156////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 186//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
157 187
158INTERFACE_CLASS (attachable) 188INTERFACE_CLASS (attachable)
159struct attachable 189struct attachable : refcnt_base
160{ 190{
161 static MGVTBL vtbl; 191 static MGVTBL vtbl;
162
163 static unordered_vector<attachable *> mortals;
164 MTH static void check_mortals ();
165 192
166 enum { 193 enum {
167 F_DESTROYED = 0x01, 194 F_DESTROYED = 0x01,
168 F_DEBUG_TRACE = 0x02, 195 F_DEBUG_TRACE = 0x02,
169 }; 196 };
197 uint8 ACC (RW, flags);
198
199 static unordered_vector<attachable *> mortals;
200 MTH static void check_mortals ();
170 201
171 // object is delete'd after the refcount reaches 0 202 // 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; 203 MTH int refcnt_cnt () const;
179 // check wether the object has died and destroy 204 // check wether the object has died and destroy
180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 205 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
181 206
182 // destroy the object unless it was already destroyed 207 // destroy the object unless it was already destroyed
… …
201 226
202 void sever_self (); // sever this object from its self, if it has one. 227 void sever_self (); // sever this object from its self, if it has one.
203 void optimise (); // possibly save some memory by destroying unneeded data 228 void optimise (); // possibly save some memory by destroying unneeded data
204 229
205 attachable () 230 attachable ()
206 : flags (0), refcnt (0), self (0), cb (0), attach (0) 231 : flags (0), self (0), cb (0), attach (0)
207 { 232 {
208 } 233 }
209 234
210 attachable (const attachable &src) 235 attachable (const attachable &src)
211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 236 : flags (0), self (0), cb (0), attach (src.attach)
212 { 237 {
213 } 238 }
214 239
215 virtual ~attachable (); 240 // set a custom key to the given value, or delete it if value = 0
241 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
242
243 void set_key_text (const char *key, const char *value = 0)
244 {
245 set_key (key, value, 1);
246 }
247
248 void set_key_data (const char *key, const char *value = 0)
249 {
250 set_key (key, value, 0);
251 }
216 252
217 attachable &operator =(const attachable &src); 253 attachable &operator =(const attachable &src);
218 254
219 // used to _quickly_ device wether to shortcut the evaluation 255 // used to _quickly_ device wether to shortcut the evaluation
220 bool should_invoke (event_type event) 256 bool should_invoke (event_type event)
… …
231 // do the real refcount checking work 267 // do the real refcount checking work
232 void do_check (); 268 void do_check ();
233 269
234 // the method that does the real destroy work 270 // the method that does the real destroy work
235 virtual void do_destroy (); 271 virtual void do_destroy ();
272
273 // destructor is protected, should not be called by anybody
274 virtual ~attachable ();
236}; 275};
237 276
238// the global object is a pseudo object that cares for the global events 277// the global object is a pseudo object that cares for the global events
239struct global : attachable 278struct global : attachable
240{ 279{
… …
243 282
244extern struct global gbl_ev; 283extern struct global gbl_ev;
245 284
246////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 285//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
247 286
287INTERFACE_CLASS(object_freezer)
248struct object_freezer : dynbuf_text 288struct object_freezer : dynbuf_text
249{ 289{
250 AV *av; 290 AV *av;
251 291
252 object_freezer (); 292 object_freezer ();
253 ~object_freezer (); 293 ~object_freezer ();
254 294
255 void put (attachable *ext); 295 void put (attachable *ext);
256 296
257 // used only for user-defined key-value pairs 297 // used only for user-defined key-value pairs
258 void put (const shstr &k, const shstr &v) 298 void put (shstr_tmp k, shstr_tmp v)
259 { 299 {
260 add (k); 300 add (k);
261 301
262 if (expect_true (v)) 302 if (expect_true (v))
263 add (' '), add (v); 303 add (' '), add (v);
… …
287 void put (keyword k, const char *v = 0) 327 void put (keyword k, const char *v = 0)
288 { 328 {
289 put_kw_string (k, v); 329 put_kw_string (k, v);
290 } 330 }
291 331
292 void put (keyword k, const shstr &v) 332 void put (keyword k, shstr_tmp v)
293 { 333 {
294 put_kw_string (k, v); 334 put_kw_string (k, v);
295 } 335 }
296 336
297 void put (keyword k, double v) 337 void put (keyword k, double v)
… …
331 void put (keyword k, signed long v) { put_(k, (sint64)v); } 371 void put (keyword k, signed long v) { put_(k, (sint64)v); }
332 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 372 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
333 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 373 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); } 374 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
335 375
336 void put (keyword kbeg, keyword kend, const shstr &v) 376 void put (keyword kbeg, keyword kend, shstr_tmp v)
337 { 377 {
338 force (MAX_KEYWORD_LEN + 1); 378 force (MAX_KEYWORD_LEN + 1);
339 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 379 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
340 380
341 if (expect_true (v)) 381 if (expect_true (v))
… …
356 void put (keyword k, const refptr<T> &v) 396 void put (keyword k, const refptr<T> &v)
357 { 397 {
358 put (k, (T *)v); 398 put (k, (T *)v);
359 } 399 }
360 400
361 bool save (const char *path); 401 MTH bool save (const_octet_string path);
362 char *as_string (); // like strdup 402 char *as_string (); // like strdup
363 403
364 operator bool () { return !!av; } 404 operator bool () { return !!av; }
365}; 405};
366 406
407INTERFACE_CLASS(object_thawer)
367struct object_thawer 408struct object_thawer
368{ 409{
369 char *line; // current beginning of line 410 char *line; // current beginning of line
370 SV *text; // text part 411 SV *text; // text part
371 AV *av; // perl part 412 AV *av; // perl part
372 int linenum; 413 int linenum;
373 keyword kw; 414 keyword kw;
374 char *kw_str; // the keyword parsed, as string 415 char *kw_str; // the keyword parsed, as string
375 char *value; // the value, or 0 if no value 416 char *value; // the value, or 0 if no value
376 char *value_nn; // the value, or the empty string if no value 417 const char *value_nn; // the value, or the empty string if no value
377 const char *name; 418 const char *name;
378 419
379 operator bool () { return !!text; } 420 operator bool () const { return !!text; }
380 421
381 object_thawer (const char *path = 0); 422 object_thawer (const char *path = 0);
382 object_thawer (const char *data, AV *perlav); 423 object_thawer (const char *data, AV *perlav);
383 ~object_thawer (); 424 ~object_thawer ();
384 425
385 void get (attachable *obj, int oid); 426 void get (attachable *obj, int oid);
386 427
387 // parse next line 428 // parse next line
388 void next (); 429 MTH void next ();
389 // skip the current key-value (usually fetch next line, for 430 // skip the current key-value (usually fetch next line, for
390 // multiline-fields, skips till the corresponding end-kw 431 // multiline-fields, skips till the corresponding end-kw
391 void skip (); 432 MTH void skip ();
433 MTH void skip_block (); // skips till and over KW_end
392 434
393 char *get_str () { return value; } // may be 0 435 char *get_str () { return value; } // may be 0
394 void get_ml (keyword kend, shstr &sh); 436 void get_ml (keyword kend, shstr &sh);
395 437
396 void get_ornull (shstr &sh) const { sh = value; } 438 void get_ornull (shstr &sh) const { sh = value; }
… …
412 void get (sint32 &i) { i = get_sint32 (); } 454 void get (sint32 &i) { i = get_sint32 (); }
413 455
414 void get (uint32 &i) { i = get_sint64 (); } 456 void get (uint32 &i) { i = get_sint64 (); }
415 void get (sint64 &i) { i = get_sint64 (); } 457 void get (sint64 &i) { i = get_sint64 (); }
416 458
459 MTH void parse_warn (const char *msg);
417 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 460 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
461
462 struct delayed_ref {
463 attachable *op;
464 object_ptr *ptr;
465 const char *ref;
466 };
467 std::vector<delayed_ref> delrefs;
468
469 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
470 MTH void resolve_delayed_derefs (bool deref = true);
418}; 471};
419 472
420//TODO: remove 473//TODO: remove
421char *fgets (char *s, int n, object_thawer &thawer); 474char *fgets (char *s, int n, object_thawer &thawer);
422 475
423////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 476//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
424 477
425struct coroapi { 478struct coroapi {
426 static struct CoroAPI *GCoroAPI; 479 static struct CoroAPI *GCoroAPI;
427 480
481 static EV_ATOMIC_T cede_pending;
482
428 static int nready () { return CORO_NREADY; } 483 static int nready () { return CORO_NREADY; }
429 static int cede () { return CORO_CEDE ; } 484 static int cede () { cede_pending = 0; return CORO_CEDE ; }
430 485
431 static tstamp next_cede;
432 static int cede_counter;
433
434 static void do_cede_every ();
435 static void do_cede_to_tick (); 486 static void do_cede_to_tick ();
436 static void do_cede_to_tick_every ();
437 487
438 static void cede_every (int count) 488 // 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 () 489 static bool cede_to_tick ()
445 { 490 {
446 if (expect_true (now () < next_cede)) 491 if (expect_true (!cede_pending))
447 return false; 492 return false;
448 493
449 do_cede_to_tick (); 494 do_cede_to_tick ();
450 return true; 495 return true;
451 } 496 }
452 497
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 (); 498 static void wait_for_tick ();
462 static void wait_for_tick_begin (); 499 static void wait_for_tick_begin ();
463}; 500};
464 501
465struct watcher_base 502struct evapi
466{ 503{
467 static struct EventAPI *GEventAPI; 504 static struct EVAPI *GEVAPI;
468}; 505};
469 506
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)> 507struct iow : ev_io, evapi, callback<void (iow &, int)>
506{ 508{
509 static void thunk (EV_P_ struct ev_io *w_, int revents)
510 {
511 iow &w = *static_cast<iow *>(w_);
512
513 w (w, revents);
514 }
515
507 template<class O, class M> 516 template<class O, class M>
508 iow (O object, M method) 517 iow (O object, M method)
509 : callback<void (iow &, int)> (object, method) 518 : callback<void (iow &, int)> (object, method)
510 { 519 {
511 alloc (); 520 ev_init ((ev_io *)this, thunk);
512 } 521 }
513 522
514 void fd (int fd); 523 void prio (int prio)
515 int poll (); 524 {
525 ev_set_priority ((ev_io *)this, prio);
526 }
527
528 void set (int fd, int events)
529 {
530 ev_io_set ((ev_io *)this, fd, events);
531 }
532
533 int poll () const { return events; }
534
516 void poll (int events); 535 void poll (int events);
517 536
518private: 537 void start ()
519 void alloc (); 538 {
539 ev_io_start (EV_DEFAULT, (ev_io *)this);
540 }
541
542 void stop ()
543 {
544 ev_io_stop (EV_DEFAULT, (ev_io *)this);
545 }
546
547 ~iow ()
548 {
549 stop ();
550 }
551};
552
553struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
554{
555 static void thunk (EV_P_ struct ev_async *w_, int revents)
556 {
557 asyncw &w = *static_cast<asyncw *>(w_);
558
559 w (w, revents);
560 }
561
562 template<class O, class M>
563 asyncw (O object, M method)
564 : callback<void (asyncw &, int)> (object, method)
565 {
566 ev_init ((ev_async *)this, thunk);
567 }
568
569 void start ()
570 {
571 ev_async_start (EV_DEFAULT, (ev_async *)this);
572 }
573
574 void stop ()
575 {
576 ev_async_stop (EV_DEFAULT, (ev_async *)this);
577 }
578
579 ~asyncw ()
580 {
581 stop ();
582 }
520}; 583};
521 584
522#endif 585#endif
523 586

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