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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.88 by root, Thu Aug 30 07:28:25 2007 UTC vs.
Revision 1.111 by root, Wed Nov 11 17:41:14 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 (©) 2005,2006,2007,2008,2009 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 6 * 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 7 * 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 8 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 9 * option) any later version.
12 * 10 *
13 * This program is distributed in the hope that it will be useful, 11 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License 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 16 * 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/>. 17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
20 * 19 *
21 * 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>
22 */ 21 */
23 22
24// 23//
25// cfperl.h perl interface 24// cfperl.h perl interface
26// 25//
… …
35 34
36#include <EXTERN.h> 35#include <EXTERN.h>
37#include <perl.h> 36#include <perl.h>
38#include <XSUB.h> 37#include <XSUB.h>
39 38
40#include <EventAPI.h> 39#include <EVAPI.h>
41#include <CoroAPI.h> 40#include <CoroAPI.h>
42 41
43#include "util.h" 42#include "util.h"
44#include "keyword.h" 43#include "keyword.h"
45#include "dynbuf.h" 44#include "dynbuf.h"
… …
50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 49// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
51#undef localtime 50#undef localtime
52#undef srand48 51#undef srand48
53#undef drand48 52#undef drand48
54#undef srandom 53#undef srandom
54#undef opendir
55#undef readdir 55#undef readdir
56#undef closedir
56#undef getprotobyname 57#undef getprotobyname
57#undef gethostbyname 58#undef gethostbyname
58#undef ctime 59#undef ctime
59#undef strerror 60#undef strerror
60#undef _ 61#undef _
… …
79 80
80// some macros to simplify perl in-calls 81// some macros to simplify perl in-calls
81 82
82#define CHECK_ERROR \ 83#define CHECK_ERROR \
83 if (SvTRUE (ERRSV)) \ 84 if (SvTRUE (ERRSV)) \
84 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); }
85 89
86#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)
87#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
88#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 92#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; 93#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
90#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 94#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
91 95
92////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
93 97
94void cfperl_init (); 98void cfperl_init ();
95void cfperl_main (); 99void cfperl_main ();
100void cfperl_tick ();
96void cfperl_emergency_save (); 101void cfperl_emergency_save ();
97void cfperl_cleanup (int make_core); 102void cfperl_cleanup (int make_core);
98void cfperl_make_book (object *book, int level); 103void cfperl_make_book (object *book, int level);
99void 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);
100int cfperl_can_merge (object *ob1, object *ob2); 105int cfperl_can_merge (object *ob1, object *ob2);
106void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
101 107
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// same as above, but returns the first object found, or 0
112object *match_one (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, attachable_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 (); }
… …
184 // this politely asks everybody interested the reduce 212 // this politely asks everybody interested the reduce
185 // the refcount to 0 as soon as possible. 213 // the refcount to 0 as soon as possible.
186 MTH void destroy (); 214 MTH void destroy ();
187 215
188 // return wether an object was destroyed already 216 // return wether an object was destroyed already
189 MTH bool destroyed () const { return flags & F_DESTROYED; } 217 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
190 218
191 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 219 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
192 220
193#if 0 221#if 0
194private: 222private:
… …
202 230
203 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.
204 void optimise (); // possibly save some memory by destroying unneeded data 232 void optimise (); // possibly save some memory by destroying unneeded data
205 233
206 attachable () 234 attachable ()
207 : flags (0), self (0), cb (0), attach (0) 235 : attachable_flags (0), self (0), cb (0), attach (0)
208 { 236 {
209 } 237 }
210 238
211 attachable (const attachable &src) 239 attachable (const attachable &src)
212 : flags (0), self (0), cb (0), attach (src.attach) 240 : attachable_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
217 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0); 245 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
… …
258 286
259extern struct global gbl_ev; 287extern struct global gbl_ev;
260 288
261////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 289//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
262 290
291INTERFACE_CLASS(object_freezer)
263struct object_freezer : dynbuf_text 292struct object_freezer : dynbuf_text
264{ 293{
265 AV *av; 294 AV *av;
266 295
267 object_freezer (); 296 object_freezer ();
268 ~object_freezer (); 297 ~object_freezer ();
269 298
270 void put (attachable *ext); 299 void put (attachable *ext);
271 300
272 // used only for user-defined key-value pairs 301 // used only for user-defined key-value pairs
273 void put (const shstr &k, const shstr &v) 302 void put (shstr_tmp k, shstr_tmp v)
274 { 303 {
275 add (k); 304 add (k);
276 305
277 if (expect_true (v)) 306 if (expect_true (v))
278 add (' '), add (v); 307 add (' '), add (v);
… …
302 void put (keyword k, const char *v = 0) 331 void put (keyword k, const char *v = 0)
303 { 332 {
304 put_kw_string (k, v); 333 put_kw_string (k, v);
305 } 334 }
306 335
307 void put (keyword k, const shstr &v) 336 void put (keyword k, shstr_tmp v)
308 { 337 {
309 put_kw_string (k, v); 338 put_kw_string (k, v);
310 } 339 }
311 340
312 void put (keyword k, double v) 341 void put (keyword k, double v)
… …
346 void put (keyword k, signed long v) { put_(k, (sint64)v); } 375 void put (keyword k, signed long v) { put_(k, (sint64)v); }
347 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 376 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
348 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); }
349 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); }
350 379
351 void put (keyword kbeg, keyword kend, const shstr &v) 380 void put (keyword kbeg, keyword kend, shstr_tmp v)
352 { 381 {
353 force (MAX_KEYWORD_LEN + 1); 382 force (MAX_KEYWORD_LEN + 1);
354 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 383 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
355 384
356 if (expect_true (v)) 385 if (expect_true (v))
… …
371 void put (keyword k, const refptr<T> &v) 400 void put (keyword k, const refptr<T> &v)
372 { 401 {
373 put (k, (T *)v); 402 put (k, (T *)v);
374 } 403 }
375 404
376 bool save (const char *path); 405 MTH bool save (const_octet_string path);
377 char *as_string (); // like strdup 406 char *as_string (); // like strdup
378 407
379 operator bool () { return !!av; } 408 operator bool () { return !!av; }
380}; 409};
381 410
411INTERFACE_CLASS(object_thawer)
382struct object_thawer 412struct object_thawer
383{ 413{
384 char *line; // current beginning of line 414 char *line; // current beginning of line
385 SV *text; // text part 415 SV *text; // text part
386 AV *av; // perl part 416 AV *av; // perl part
387 int linenum; 417 int linenum;
388 keyword kw; 418 keyword kw;
389 char *kw_str; // the keyword parsed, as string 419 char *kw_str; // the keyword parsed, as string
390 char *value; // the value, or 0 if no value 420 char *value; // the value, or 0 if no value
391 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
392 const char *name; 422 const char *name;
393 423
394 operator bool () { return !!text; } 424 operator bool () const { return !!text; }
395 425
396 object_thawer (const char *path = 0); 426 object_thawer (const char *path = 0);
397 object_thawer (const char *data, AV *perlav); 427 object_thawer (const char *data, AV *perlav);
398 ~object_thawer (); 428 ~object_thawer ();
399 429
400 void get (attachable *obj, int oid); 430 void get (attachable *obj, int oid);
401 431
402 // parse next line 432 // parse next line
403 void next (); 433 MTH void next ();
404 // skip the current key-value (usually fetch next line, for 434 // skip the current key-value (usually fetch next line, for
405 // multiline-fields, skips till the corresponding end-kw 435 // multiline-fields, skips till the corresponding end-kw
406 void skip (); 436 MTH void skip ();
437 MTH void skip_block (); // skips till and over KW_end
407 438
408 char *get_str () { return value; } // may be 0 439 char *get_str () { return value; } // may be 0
409 void get_ml (keyword kend, shstr &sh); 440 void get_ml (keyword kend, shstr &sh);
410 441
411 void get_ornull (shstr &sh) const { sh = value; } 442 void get_ornull (shstr &sh) const { sh = value; }
… …
427 void get (sint32 &i) { i = get_sint32 (); } 458 void get (sint32 &i) { i = get_sint32 (); }
428 459
429 void get (uint32 &i) { i = get_sint64 (); } 460 void get (uint32 &i) { i = get_sint64 (); }
430 void get (sint64 &i) { i = get_sint64 (); } 461 void get (sint64 &i) { i = get_sint64 (); }
431 462
432 void parse_warn (const char *msg); 463 MTH void parse_warn (const char *msg);
433 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);
434}; 475};
435 476
436//TODO: remove 477//TODO: remove
437char *fgets (char *s, int n, object_thawer &thawer); 478char *fgets (char *s, int n, object_thawer &thawer);
438 479
439////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 480//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
440 481
441struct coroapi { 482struct coroapi {
442 static struct CoroAPI *GCoroAPI; 483 static struct CoroAPI *GCoroAPI;
443 484
485 static EV_ATOMIC_T cede_pending;
486
444 static int nready () { return CORO_NREADY; } 487 static int nready () { return CORO_NREADY; }
445 static int cede () { return CORO_CEDE ; } 488 static int cede () { cede_pending = 0; return CORO_CEDE ; }
446 489
447 static tstamp next_cede;
448 static int cede_counter;
449
450 static void do_cede_every ();
451 static void do_cede_to_tick (); 490 static void do_cede_to_tick ();
452 static void do_cede_to_tick_every ();
453 491
454 static void cede_every (int count) 492 // actually cede's far more often
455 {
456 if (expect_false (++cede_counter >= count))
457 do_cede_every ();
458 }
459
460 static bool cede_to_tick () 493 static bool cede_to_tick ()
461 { 494 {
462 if (expect_true (now () < next_cede)) 495 if (expect_true (!cede_pending))
463 return false; 496 return false;
464 497
465 do_cede_to_tick (); 498 do_cede_to_tick ();
466 return true; 499 return true;
467 } 500 }
468 501
469 static bool cede_to_tick_every (int count)
470 {
471 if (expect_true (++cede_counter < count))
472 return false;
473
474 return cede_to_tick ();
475 }
476
477 static void wait_for_tick (); 502 static void wait_for_tick ();
478 static void wait_for_tick_begin (); 503 static void wait_for_tick_begin ();
479}; 504};
480 505
481struct watcher_base 506struct evapi
482{ 507{
483 static struct EventAPI *GEventAPI; 508 static struct EVAPI *GEVAPI;
484}; 509};
485 510
486template<class base>
487struct watcher : watcher_base
488{
489 base *pe;
490
491 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
492 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
493 void now () { GEventAPI->now ((pe_watcher *)pe); }
494 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
495 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
496
497 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
498
499 ~watcher ()
500 {
501 cancel ();
502 }
503
504private:
505 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
506};
507
508struct iw : watcher<pe_idle>, callback<void (iw &)>
509{
510 template<class O, class M>
511 iw (O object, M method)
512 : callback<void (iw &)> (object, method)
513 {
514 alloc ();
515 }
516
517private:
518 void alloc ();
519};
520
521struct iow : watcher<pe_io>, callback<void (iow &, int)> 511struct iow : ev_io, evapi, callback<void (iow &, int)>
522{ 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
523 template<class O, class M> 520 template<class O, class M>
524 iow (O object, M method) 521 iow (O object, M method)
525 : callback<void (iow &, int)> (object, method) 522 : callback<void (iow &, int)> (object, method)
526 { 523 {
527 alloc (); 524 ev_init ((ev_io *)this, thunk);
528 } 525 }
529 526
530 void fd (int fd); 527 void prio (int prio)
531 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
532 void poll (int events); 539 void poll (int events);
533 540
534private: 541 void start ()
535 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 }
536}; 587};
537 588
538#endif 589#endif
539 590

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