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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 1.106 by root, Sun Oct 11 18:18:03 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
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) 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, 13 * This program is distributed in the hope that it will be useful,
… …
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 GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * 20 *
21 * 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>
22 */ 22 */
23 23
24// 24//
25// cfperl.h perl interface 25// cfperl.h perl interface
26// 26//
… …
35 35
36#include <EXTERN.h> 36#include <EXTERN.h>
37#include <perl.h> 37#include <perl.h>
38#include <XSUB.h> 38#include <XSUB.h>
39 39
40#include <EventAPI.h> 40#include <EVAPI.h>
41#include <CoroAPI.h> 41#include <CoroAPI.h>
42 42
43#include "util.h" 43#include "util.h"
44#include "keyword.h" 44#include "keyword.h"
45#include "dynbuf.h" 45#include "dynbuf.h"
… …
50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
51#undef localtime 51#undef localtime
52#undef srand48 52#undef srand48
53#undef drand48 53#undef drand48
54#undef srandom 54#undef srandom
55#undef opendir
55#undef readdir 56#undef readdir
57#undef closedir
56#undef getprotobyname 58#undef getprotobyname
57#undef gethostbyname 59#undef gethostbyname
58#undef ctime 60#undef ctime
59#undef strerror 61#undef strerror
62#undef _
60 63
61// same here, massive symbol spamming 64// same here, massive symbol spamming
62#undef do_open 65#undef do_open
63#undef do_close 66#undef do_close
64#undef ref 67#undef ref
… …
69#undef random 72#undef random
70#undef crypt 73#undef crypt
71 74
72////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
73 76
77#define _(msg) (msg)
78#define N_(msg) (msg)
79
80//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
81
74// some macros to simplify perl in-calls 82// some macros to simplify perl in-calls
75 83
76#define CHECK_ERROR \ 84#define CHECK_ERROR \
77 if (SvTRUE (ERRSV)) \ 85 if (SvTRUE (ERRSV)) \
78 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 86 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
79 87
80#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)
81#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
82#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 90#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; 91#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
84#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 92#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
85 93
86////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 94//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
87 95
88void cfperl_init (); 96void cfperl_init ();
89void cfperl_main (); 97void cfperl_main ();
98void cfperl_tick ();
90void cfperl_emergency_save (); 99void cfperl_emergency_save ();
91void cfperl_cleanup (int make_core); 100void cfperl_cleanup (int make_core);
92void cfperl_make_book (object *book, int level); 101void cfperl_make_book (object *book, int level);
93void 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);
94 105
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
95////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 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
96 127
97extern tstamp runtime; // virtual server time, excluding time jumps and lag 128extern tstamp runtime; // virtual server time, excluding time jumps and lag
98extern tstamp NOW; // real time of current server tick 129extern tstamp NOW; // real time of current server tick
99 130
100enum event_klass 131enum event_klass
… …
153int cfperl_result_INT (int idx); 184int cfperl_result_INT (int idx);
154 185
155////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 186//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
156 187
157INTERFACE_CLASS (attachable) 188INTERFACE_CLASS (attachable)
158struct attachable 189struct attachable : refcnt_base
159{ 190{
160 static MGVTBL vtbl; 191 static MGVTBL vtbl;
161
162 static unordered_vector<attachable *> mortals;
163 MTH static void check_mortals ();
164 192
165 enum { 193 enum {
166 F_DESTROYED = 0x01, 194 F_DESTROYED = 0x01,
167 F_DEBUG_TRACE = 0x02, 195 F_DEBUG_TRACE = 0x02,
168 }; 196 };
197 uint8 ACC (RW, flags);
198
199 static unordered_vector<attachable *> mortals;
200 MTH static void check_mortals ();
169 201
170 // object is delete'd after the refcount reaches 0 202 // 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; 203 MTH int refcnt_cnt () const;
178 // check wether the object has died and destroy 204 // check wether the object has died and destroy
179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 205 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
180 206
181 // destroy the object unless it was already destroyed 207 // destroy the object unless it was already destroyed
… …
200 226
201 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.
202 void optimise (); // possibly save some memory by destroying unneeded data 228 void optimise (); // possibly save some memory by destroying unneeded data
203 229
204 attachable () 230 attachable ()
205 : flags (0), refcnt (0), self (0), cb (0), attach (0) 231 : flags (0), self (0), cb (0), attach (0)
206 { 232 {
207 } 233 }
208 234
209 attachable (const attachable &src) 235 attachable (const attachable &src)
210 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 236 : flags (0), self (0), cb (0), attach (src.attach)
211 { 237 {
212 } 238 }
213 239
214 // set a custom key to the given value, or delete it if value = 0 240 // 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
215 void set_key (const char *key, const char *value = 0); 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)
… …
246 282
247extern struct global gbl_ev; 283extern struct global gbl_ev;
248 284
249////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 285//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
250 286
287INTERFACE_CLASS(object_freezer)
251struct object_freezer : dynbuf_text 288struct object_freezer : dynbuf_text
252{ 289{
253 AV *av; 290 AV *av;
254 291
255 object_freezer (); 292 object_freezer ();
256 ~object_freezer (); 293 ~object_freezer ();
257 294
258 void put (attachable *ext); 295 void put (attachable *ext);
259 296
260 // used only for user-defined key-value pairs 297 // used only for user-defined key-value pairs
261 void put (const shstr &k, const shstr &v) 298 void put (shstr_tmp k, shstr_tmp v)
262 { 299 {
263 add (k); 300 add (k);
264 301
265 if (expect_true (v)) 302 if (expect_true (v))
266 add (' '), add (v); 303 add (' '), add (v);
… …
290 void put (keyword k, const char *v = 0) 327 void put (keyword k, const char *v = 0)
291 { 328 {
292 put_kw_string (k, v); 329 put_kw_string (k, v);
293 } 330 }
294 331
295 void put (keyword k, const shstr &v) 332 void put (keyword k, shstr_tmp v)
296 { 333 {
297 put_kw_string (k, v); 334 put_kw_string (k, v);
298 } 335 }
299 336
300 void put (keyword k, double v) 337 void put (keyword k, double v)
… …
334 void put (keyword k, signed long v) { put_(k, (sint64)v); } 371 void put (keyword k, signed long v) { put_(k, (sint64)v); }
335 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 372 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
336 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); }
337 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); }
338 375
339 void put (keyword kbeg, keyword kend, const shstr &v) 376 void put (keyword kbeg, keyword kend, shstr_tmp v)
340 { 377 {
341 force (MAX_KEYWORD_LEN + 1); 378 force (MAX_KEYWORD_LEN + 1);
342 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 379 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
343 380
344 if (expect_true (v)) 381 if (expect_true (v))
… …
359 void put (keyword k, const refptr<T> &v) 396 void put (keyword k, const refptr<T> &v)
360 { 397 {
361 put (k, (T *)v); 398 put (k, (T *)v);
362 } 399 }
363 400
364 bool save (const char *path); 401 MTH bool save (const_octet_string path);
365 char *as_string (); // like strdup 402 char *as_string (); // like strdup
366 403
367 operator bool () { return !!av; } 404 operator bool () { return !!av; }
368}; 405};
369 406
407INTERFACE_CLASS(object_thawer)
370struct object_thawer 408struct object_thawer
371{ 409{
372 char *line; // current beginning of line 410 char *line; // current beginning of line
373 SV *text; // text part 411 SV *text; // text part
374 AV *av; // perl part 412 AV *av; // perl part
375 int linenum; 413 int linenum;
376 keyword kw; 414 keyword kw;
377 char *kw_str; // the keyword parsed, as string 415 char *kw_str; // the keyword parsed, as string
378 char *value; // the value, or 0 if no value 416 char *value; // the value, or 0 if no value
379 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
380 const char *name; 418 const char *name;
381 419
382 operator bool () { return !!text; } 420 operator bool () const { return !!text; }
383 421
384 object_thawer (const char *path = 0); 422 object_thawer (const char *path = 0);
385 object_thawer (const char *data, AV *perlav); 423 object_thawer (const char *data, AV *perlav);
386 ~object_thawer (); 424 ~object_thawer ();
387 425
388 void get (attachable *obj, int oid); 426 void get (attachable *obj, int oid);
389 427
390 // parse next line 428 // parse next line
391 void next (); 429 MTH void next ();
392 // skip the current key-value (usually fetch next line, for 430 // skip the current key-value (usually fetch next line, for
393 // multiline-fields, skips till the corresponding end-kw 431 // multiline-fields, skips till the corresponding end-kw
394 void skip (); 432 MTH void skip ();
433 MTH void skip_block (); // skips till and over KW_end
395 434
396 char *get_str () { return value; } // may be 0 435 char *get_str () { return value; } // may be 0
397 void get_ml (keyword kend, shstr &sh); 436 void get_ml (keyword kend, shstr &sh);
398 437
399 void get_ornull (shstr &sh) const { sh = value; } 438 void get_ornull (shstr &sh) const { sh = value; }
… …
415 void get (sint32 &i) { i = get_sint32 (); } 454 void get (sint32 &i) { i = get_sint32 (); }
416 455
417 void get (uint32 &i) { i = get_sint64 (); } 456 void get (uint32 &i) { i = get_sint64 (); }
418 void get (sint64 &i) { i = get_sint64 (); } 457 void get (sint64 &i) { i = get_sint64 (); }
419 458
459 MTH void parse_warn (const char *msg);
420 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);
421}; 471};
422 472
423//TODO: remove 473//TODO: remove
424char *fgets (char *s, int n, object_thawer &thawer); 474char *fgets (char *s, int n, object_thawer &thawer);
425 475
426////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 476//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
427 477
428struct coroapi { 478struct coroapi {
429 static struct CoroAPI *GCoroAPI; 479 static struct CoroAPI *GCoroAPI;
430 480
481 static EV_ATOMIC_T cede_pending;
482
431 static int nready () { return CORO_NREADY; } 483 static int nready () { return CORO_NREADY; }
432 static int cede () { return CORO_CEDE ; } 484 static int cede () { cede_pending = 0; return CORO_CEDE ; }
433 485
434 static tstamp next_cede;
435 static int cede_counter;
436
437 static void do_cede_every ();
438 static void do_cede_to_tick (); 486 static void do_cede_to_tick ();
439 static void do_cede_to_tick_every ();
440 487
441 static void cede_every (int count) 488 // 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 () 489 static bool cede_to_tick ()
448 { 490 {
449 if (expect_true (now () < next_cede)) 491 if (expect_true (!cede_pending))
450 return false; 492 return false;
451 493
452 do_cede_to_tick (); 494 do_cede_to_tick ();
453 return true; 495 return true;
454 } 496 }
455 497
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 (); 498 static void wait_for_tick ();
465 static void wait_for_tick_begin (); 499 static void wait_for_tick_begin ();
466}; 500};
467 501
468struct watcher_base 502struct evapi
469{ 503{
470 static struct EventAPI *GEventAPI; 504 static struct EVAPI *GEVAPI;
471}; 505};
472 506
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)> 507struct iow : ev_io, evapi, callback<void (iow &, int)>
509{ 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
510 template<class O, class M> 516 template<class O, class M>
511 iow (O object, M method) 517 iow (O object, M method)
512 : callback<void (iow &, int)> (object, method) 518 : callback<void (iow &, int)> (object, method)
513 { 519 {
514 alloc (); 520 ev_init ((ev_io *)this, thunk);
515 } 521 }
516 522
517 void fd (int fd); 523 void prio (int prio)
518 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
519 void poll (int events); 535 void poll (int events);
520 536
521private: 537 void start ()
522 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 }
523}; 583};
524 584
525#endif 585#endif
526 586

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