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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 1.108 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
63#undef _
60 64
61// same here, massive symbol spamming 65// same here, massive symbol spamming
62#undef do_open 66#undef do_open
63#undef do_close 67#undef do_close
64#undef ref 68#undef ref
… …
69#undef random 73#undef random
70#undef crypt 74#undef crypt
71 75
72////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 76//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
73 77
78#define _(msg) (msg)
79#define N_(msg) (msg)
80
81//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
82
74// some macros to simplify perl in-calls 83// some macros to simplify perl in-calls
75 84
76#define CHECK_ERROR \ 85#define CHECK_ERROR \
77 if (SvTRUE (ERRSV)) \ 86 if (SvTRUE (ERRSV)) \
78 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); }
79 91
80#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)
81#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
82#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 94#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; 95#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
84#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 96#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
85 97
86////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 98//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
87 99
88void cfperl_init (); 100void cfperl_init ();
89void cfperl_main (); 101void cfperl_main ();
102void cfperl_tick ();
90void cfperl_emergency_save (); 103void cfperl_emergency_save ();
91void cfperl_cleanup (int make_core); 104void cfperl_cleanup (int make_core);
92void cfperl_make_book (object *book, int level); 105void cfperl_make_book (object *book, int level);
93void 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);
107int cfperl_can_merge (object *ob1, object *ob2);
108void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
94 109
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
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, 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
… …
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 : 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 : 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
291INTERFACE_CLASS(object_freezer)
251struct object_freezer : dynbuf_text 292struct object_freezer : dynbuf_text
252{ 293{
253 AV *av; 294 AV *av;
254 295
255 object_freezer (); 296 object_freezer ();
256 ~object_freezer (); 297 ~object_freezer ();
257 298
258 void put (attachable *ext); 299 void put (attachable *ext);
259 300
260 // used only for user-defined key-value pairs 301 // used only for user-defined key-value pairs
261 void put (const shstr &k, const shstr &v) 302 void put (shstr_tmp k, shstr_tmp v)
262 { 303 {
263 add (k); 304 add (k);
264 305
265 if (expect_true (v)) 306 if (expect_true (v))
266 add (' '), add (v); 307 add (' '), add (v);
… …
290 void put (keyword k, const char *v = 0) 331 void put (keyword k, const char *v = 0)
291 { 332 {
292 put_kw_string (k, v); 333 put_kw_string (k, v);
293 } 334 }
294 335
295 void put (keyword k, const shstr &v) 336 void put (keyword k, shstr_tmp v)
296 { 337 {
297 put_kw_string (k, v); 338 put_kw_string (k, v);
298 } 339 }
299 340
300 void put (keyword k, double v) 341 void put (keyword k, double v)
… …
334 void put (keyword k, signed long v) { put_(k, (sint64)v); } 375 void put (keyword k, signed long v) { put_(k, (sint64)v); }
335 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 376 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
336 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); }
337 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); }
338 379
339 void put (keyword kbeg, keyword kend, const shstr &v) 380 void put (keyword kbeg, keyword kend, shstr_tmp v)
340 { 381 {
341 force (MAX_KEYWORD_LEN + 1); 382 force (MAX_KEYWORD_LEN + 1);
342 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 383 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
343 384
344 if (expect_true (v)) 385 if (expect_true (v))
… …
359 void put (keyword k, const refptr<T> &v) 400 void put (keyword k, const refptr<T> &v)
360 { 401 {
361 put (k, (T *)v); 402 put (k, (T *)v);
362 } 403 }
363 404
364 bool save (const char *path); 405 MTH bool save (const_octet_string path);
365 char *as_string (); // like strdup 406 char *as_string (); // like strdup
366 407
367 operator bool () { return !!av; } 408 operator bool () { return !!av; }
368}; 409};
369 410
411INTERFACE_CLASS(object_thawer)
370struct object_thawer 412struct object_thawer
371{ 413{
372 char *line; // current beginning of line 414 char *line; // current beginning of line
373 SV *text; // text part 415 SV *text; // text part
374 AV *av; // perl part 416 AV *av; // perl part
375 int linenum; 417 int linenum;
376 keyword kw; 418 keyword kw;
377 char *kw_str; // the keyword parsed, as string 419 char *kw_str; // the keyword parsed, as string
378 char *value; // the value, or 0 if no value 420 char *value; // the value, or 0 if no value
379 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
380 const char *name; 422 const char *name;
381 423
382 operator bool () { return !!text; } 424 operator bool () const { return !!text; }
383 425
384 object_thawer (const char *path = 0); 426 object_thawer (const char *path = 0);
385 object_thawer (const char *data, AV *perlav); 427 object_thawer (const char *data, AV *perlav);
386 ~object_thawer (); 428 ~object_thawer ();
387 429
388 void get (attachable *obj, int oid); 430 void get (attachable *obj, int oid);
389 431
390 // parse next line 432 // parse next line
391 void next (); 433 MTH void next ();
392 // skip the current key-value (usually fetch next line, for 434 // skip the current key-value (usually fetch next line, for
393 // multiline-fields, skips till the corresponding end-kw 435 // multiline-fields, skips till the corresponding end-kw
394 void skip (); 436 MTH void skip ();
437 MTH void skip_block (); // skips till and over KW_end
395 438
396 char *get_str () { return value; } // may be 0 439 char *get_str () { return value; } // may be 0
397 void get_ml (keyword kend, shstr &sh); 440 void get_ml (keyword kend, shstr &sh);
398 441
399 void get_ornull (shstr &sh) const { sh = value; } 442 void get_ornull (shstr &sh) const { sh = value; }
… …
415 void get (sint32 &i) { i = get_sint32 (); } 458 void get (sint32 &i) { i = get_sint32 (); }
416 459
417 void get (uint32 &i) { i = get_sint64 (); } 460 void get (uint32 &i) { i = get_sint64 (); }
418 void get (sint64 &i) { i = get_sint64 (); } 461 void get (sint64 &i) { i = get_sint64 (); }
419 462
463 MTH void parse_warn (const char *msg);
420 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);
421}; 475};
422 476
423//TODO: remove 477//TODO: remove
424char *fgets (char *s, int n, object_thawer &thawer); 478char *fgets (char *s, int n, object_thawer &thawer);
425 479
426////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 480//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
427 481
428struct coroapi { 482struct coroapi {
429 static struct CoroAPI *GCoroAPI; 483 static struct CoroAPI *GCoroAPI;
430 484
485 static EV_ATOMIC_T cede_pending;
486
431 static int nready () { return CORO_NREADY; } 487 static int nready () { return CORO_NREADY; }
432 static int cede () { return CORO_CEDE ; } 488 static int cede () { cede_pending = 0; return CORO_CEDE ; }
433 489
434 static tstamp next_cede;
435 static int cede_counter;
436
437 static void do_cede_every ();
438 static void do_cede_to_tick (); 490 static void do_cede_to_tick ();
439 static void do_cede_to_tick_every ();
440 491
441 static void cede_every (int count) 492 // 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 () 493 static bool cede_to_tick ()
448 { 494 {
449 if (expect_true (now () < next_cede)) 495 if (expect_true (!cede_pending))
450 return false; 496 return false;
451 497
452 do_cede_to_tick (); 498 do_cede_to_tick ();
453 return true; 499 return true;
454 } 500 }
455 501
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 (); 502 static void wait_for_tick ();
465 static void wait_for_tick_begin (); 503 static void wait_for_tick_begin ();
466}; 504};
467 505
468struct watcher_base 506struct evapi
469{ 507{
470 static struct EventAPI *GEventAPI; 508 static struct EVAPI *GEVAPI;
471}; 509};
472 510
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)> 511struct iow : ev_io, evapi, callback<void (iow &, int)>
509{ 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
510 template<class O, class M> 520 template<class O, class M>
511 iow (O object, M method) 521 iow (O object, M method)
512 : callback<void (iow &, int)> (object, method) 522 : callback<void (iow &, int)> (object, method)
513 { 523 {
514 alloc (); 524 ev_init ((ev_io *)this, thunk);
515 } 525 }
516 526
517 void fd (int fd); 527 void prio (int prio)
518 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
519 void poll (int events); 539 void poll (int events);
520 540
521private: 541 void start ()
522 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 }
523}; 587};
524 588
525#endif 589#endif
526 590

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