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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 1.111 by root, Wed Nov 11 17:41:14 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// 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
96////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 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
97 131
98extern tstamp runtime; // virtual server time, excluding time jumps and lag 132extern tstamp runtime; // virtual server time, excluding time jumps and lag
99extern tstamp NOW; // real time of current server tick 133extern tstamp NOW; // real time of current server tick
100 134
101enum event_klass 135enum event_klass
… …
154int cfperl_result_INT (int idx); 188int cfperl_result_INT (int idx);
155 189
156////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 190//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
157 191
158INTERFACE_CLASS (attachable) 192INTERFACE_CLASS (attachable)
159struct attachable 193struct attachable : refcnt_base
160{ 194{
161 static MGVTBL vtbl; 195 static MGVTBL vtbl;
162
163 static unordered_vector<attachable *> mortals;
164 MTH static void check_mortals ();
165 196
166 enum { 197 enum {
167 F_DESTROYED = 0x01, 198 F_DESTROYED = 0x01,
168 F_DEBUG_TRACE = 0x02, 199 F_DEBUG_TRACE = 0x02,
169 }; 200 };
201 uint8 ACC (RW, attachable_flags);
202
203 static unordered_vector<attachable *> mortals;
204 MTH static void check_mortals ();
170 205
171 // object is delete'd after the refcount reaches 0 206 // 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; 207 MTH int refcnt_cnt () const;
179 // check wether the object has died and destroy 208 // check wether the object has died and destroy
180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 209 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
181 210
182 // destroy the object unless it was already destroyed 211 // destroy the object unless it was already destroyed
183 // this politely asks everybody interested the reduce 212 // this politely asks everybody interested the reduce
184 // the refcount to 0 as soon as possible. 213 // the refcount to 0 as soon as possible.
185 MTH void destroy (); 214 MTH void destroy ();
186 215
187 // return wether an object was destroyed already 216 // return wether an object was destroyed already
188 MTH bool destroyed () const { return flags & F_DESTROYED; } 217 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
189 218
190 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 219 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
191 220
192#if 0 221#if 0
193private: 222private:
… …
201 230
202 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.
203 void optimise (); // possibly save some memory by destroying unneeded data 232 void optimise (); // possibly save some memory by destroying unneeded data
204 233
205 attachable () 234 attachable ()
206 : flags (0), refcnt (0), self (0), cb (0), attach (0) 235 : attachable_flags (0), self (0), cb (0), attach (0)
207 { 236 {
208 } 237 }
209 238
210 attachable (const attachable &src) 239 attachable (const attachable &src)
211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 240 : attachable_flags (0), self (0), cb (0), attach (src.attach)
212 { 241 {
213 } 242 }
214 243
215 virtual ~attachable (); 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
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)
… …
231 // do the real refcount checking work 271 // do the real refcount checking work
232 void do_check (); 272 void do_check ();
233 273
234 // the method that does the real destroy work 274 // the method that does the real destroy work
235 virtual void do_destroy (); 275 virtual void do_destroy ();
276
277 // destructor is protected, should not be called by anybody
278 virtual ~attachable ();
236}; 279};
237 280
238// the global object is a pseudo object that cares for the global events 281// the global object is a pseudo object that cares for the global events
239struct global : attachable 282struct global : attachable
240{ 283{
… …
243 286
244extern struct global gbl_ev; 287extern struct global gbl_ev;
245 288
246////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 289//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
247 290
291INTERFACE_CLASS(object_freezer)
248struct object_freezer : dynbuf_text 292struct object_freezer : dynbuf_text
249{ 293{
250 AV *av; 294 AV *av;
251 295
252 object_freezer (); 296 object_freezer ();
253 ~object_freezer (); 297 ~object_freezer ();
254 298
255 void put (attachable *ext); 299 void put (attachable *ext);
256 300
257 // used only for user-defined key-value pairs 301 // used only for user-defined key-value pairs
258 void put (const shstr &k, const shstr &v) 302 void put (shstr_tmp k, shstr_tmp v)
259 { 303 {
260 add (k); 304 add (k);
261 305
262 if (expect_true (v)) 306 if (expect_true (v))
263 add (' '), add (v); 307 add (' '), add (v);
… …
287 void put (keyword k, const char *v = 0) 331 void put (keyword k, const char *v = 0)
288 { 332 {
289 put_kw_string (k, v); 333 put_kw_string (k, v);
290 } 334 }
291 335
292 void put (keyword k, const shstr &v) 336 void put (keyword k, shstr_tmp v)
293 { 337 {
294 put_kw_string (k, v); 338 put_kw_string (k, v);
295 } 339 }
296 340
297 void put (keyword k, double v) 341 void put (keyword k, double v)
… …
331 void put (keyword k, signed long v) { put_(k, (sint64)v); } 375 void put (keyword k, signed long v) { put_(k, (sint64)v); }
332 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 376 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
333 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); }
334 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); }
335 379
336 void put (keyword kbeg, keyword kend, const shstr &v) 380 void put (keyword kbeg, keyword kend, shstr_tmp v)
337 { 381 {
338 force (MAX_KEYWORD_LEN + 1); 382 force (MAX_KEYWORD_LEN + 1);
339 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 383 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
340 384
341 if (expect_true (v)) 385 if (expect_true (v))
… …
356 void put (keyword k, const refptr<T> &v) 400 void put (keyword k, const refptr<T> &v)
357 { 401 {
358 put (k, (T *)v); 402 put (k, (T *)v);
359 } 403 }
360 404
361 bool save (const char *path); 405 MTH bool save (const_octet_string path);
362 char *as_string (); // like strdup 406 char *as_string (); // like strdup
363 407
364 operator bool () { return !!av; } 408 operator bool () { return !!av; }
365}; 409};
366 410
411INTERFACE_CLASS(object_thawer)
367struct object_thawer 412struct object_thawer
368{ 413{
369 char *line; // current beginning of line 414 char *line; // current beginning of line
370 SV *text; // text part 415 SV *text; // text part
371 AV *av; // perl part 416 AV *av; // perl part
372 int linenum; 417 int linenum;
373 keyword kw; 418 keyword kw;
374 char *kw_str; // the keyword parsed, as string 419 char *kw_str; // the keyword parsed, as string
375 char *value; // the value, or 0 if no value 420 char *value; // the value, or 0 if no value
376 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
377 const char *name; 422 const char *name;
378 423
379 operator bool () { return !!text; } 424 operator bool () const { return !!text; }
380 425
381 object_thawer (const char *path = 0); 426 object_thawer (const char *path = 0);
382 object_thawer (const char *data, AV *perlav); 427 object_thawer (const char *data, AV *perlav);
383 ~object_thawer (); 428 ~object_thawer ();
384 429
385 void get (attachable *obj, int oid); 430 void get (attachable *obj, int oid);
386 431
387 // parse next line 432 // parse next line
388 void next (); 433 MTH void next ();
389 // skip the current key-value (usually fetch next line, for 434 // skip the current key-value (usually fetch next line, for
390 // multiline-fields, skips till the corresponding end-kw 435 // multiline-fields, skips till the corresponding end-kw
391 void skip (); 436 MTH void skip ();
437 MTH void skip_block (); // skips till and over KW_end
392 438
393 char *get_str () { return value; } // may be 0 439 char *get_str () { return value; } // may be 0
394 void get_ml (keyword kend, shstr &sh); 440 void get_ml (keyword kend, shstr &sh);
395 441
396 void get_ornull (shstr &sh) const { sh = value; } 442 void get_ornull (shstr &sh) const { sh = value; }
… …
412 void get (sint32 &i) { i = get_sint32 (); } 458 void get (sint32 &i) { i = get_sint32 (); }
413 459
414 void get (uint32 &i) { i = get_sint64 (); } 460 void get (uint32 &i) { i = get_sint64 (); }
415 void get (sint64 &i) { i = get_sint64 (); } 461 void get (sint64 &i) { i = get_sint64 (); }
416 462
463 MTH void parse_warn (const char *msg);
417 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);
418}; 475};
419 476
420//TODO: remove 477//TODO: remove
421char *fgets (char *s, int n, object_thawer &thawer); 478char *fgets (char *s, int n, object_thawer &thawer);
422 479
423////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 480//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
424 481
425struct coroapi { 482struct coroapi {
426 static struct CoroAPI *GCoroAPI; 483 static struct CoroAPI *GCoroAPI;
427 484
485 static EV_ATOMIC_T cede_pending;
486
428 static int nready () { return CORO_NREADY; } 487 static int nready () { return CORO_NREADY; }
429 static int cede () { return CORO_CEDE ; } 488 static int cede () { cede_pending = 0; return CORO_CEDE ; }
430 489
431 static tstamp next_cede;
432 static int cede_counter;
433
434 static void do_cede_every ();
435 static void do_cede_to_tick (); 490 static void do_cede_to_tick ();
436 static void do_cede_to_tick_every ();
437 491
438 static void cede_every (int count) 492 // 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 () 493 static bool cede_to_tick ()
445 { 494 {
446 if (expect_true (now () < next_cede)) 495 if (expect_true (!cede_pending))
447 return false; 496 return false;
448 497
449 do_cede_to_tick (); 498 do_cede_to_tick ();
450 return true; 499 return true;
451 } 500 }
452 501
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 (); 502 static void wait_for_tick ();
462 static void wait_for_tick_begin (); 503 static void wait_for_tick_begin ();
463}; 504};
464 505
465struct watcher_base 506struct evapi
466{ 507{
467 static struct EventAPI *GEventAPI; 508 static struct EVAPI *GEVAPI;
468}; 509};
469 510
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)> 511struct iow : ev_io, evapi, callback<void (iow &, int)>
506{ 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
507 template<class O, class M> 520 template<class O, class M>
508 iow (O object, M method) 521 iow (O object, M method)
509 : callback<void (iow &, int)> (object, method) 522 : callback<void (iow &, int)> (object, method)
510 { 523 {
511 alloc (); 524 ev_init ((ev_io *)this, thunk);
512 } 525 }
513 526
514 void fd (int fd); 527 void prio (int prio)
515 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
516 void poll (int events); 539 void poll (int events);
517 540
518private: 541 void start ()
519 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 }
520}; 587};
521 588
522#endif 589#endif
523 590

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