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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.75 by root, Sun Jun 3 11:22:02 2007 UTC vs.
Revision 1.100 by root, Sun Nov 16 03:52:12 2008 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;
… …
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);
102void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
103int cfperl_can_merge (object *ob1, object *ob2);
94 104
95////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 105//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
96 106
107#if IVSIZE >= 8
108 typedef IV val64;
109 typedef IV uval64;
110# define newSVval64 newSViv
111# define SvVAL64 SvIV
112# define newSVuval64 newSVuv
113# define SvUVAL64 SvUV
114#else
115 typedef double val64;
116 typedef double uval64;
117# define newSVval64 newSVnv
118# define SvVAL64 SvNV
119# define newSVuval64 newSVnv
120# define SvUVAL64 SvNV
121#endif
122
97// virtual server time, excluding time jumps and lag 123extern tstamp runtime; // virtual server time, excluding time jumps and lag
98extern double runtime; 124extern tstamp NOW; // real time of current server tick
99 125
100enum event_klass 126enum event_klass
101{ 127{
102 KLASS_NONE, 128 KLASS_NONE,
103 KLASS_GLOBAL, 129 KLASS_GLOBAL,
… …
153int cfperl_result_INT (int idx); 179int cfperl_result_INT (int idx);
154 180
155////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 181//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
156 182
157INTERFACE_CLASS (attachable) 183INTERFACE_CLASS (attachable)
158struct attachable 184struct attachable : refcnt_base
159{ 185{
160 static MGVTBL vtbl; 186 static MGVTBL vtbl;
161
162 static unordered_vector<attachable *> mortals;
163 MTH static void check_mortals ();
164 187
165 enum { 188 enum {
166 F_DESTROYED = 0x01, 189 F_DESTROYED = 0x01,
167 F_DEBUG_TRACE = 0x02, 190 F_DEBUG_TRACE = 0x02,
168 }; 191 };
192 uint8 ACC (RW, flags);
193
194 static unordered_vector<attachable *> mortals;
195 MTH static void check_mortals ();
169 196
170 // object is delete'd after the refcount reaches 0 197 // 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; 198 MTH int refcnt_cnt () const;
178 // check wether the object has died and destroy 199 // check wether the object has died and destroy
179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 200 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
180 201
181 // destroy the object unless it was already destroyed 202 // destroy the object unless it was already destroyed
… …
200 221
201 void sever_self (); // sever this object from its self, if it has one. 222 void sever_self (); // sever this object from its self, if it has one.
202 void optimise (); // possibly save some memory by destroying unneeded data 223 void optimise (); // possibly save some memory by destroying unneeded data
203 224
204 attachable () 225 attachable ()
205 : flags (0), refcnt (0), self (0), cb (0), attach (0) 226 : flags (0), self (0), cb (0), attach (0)
206 { 227 {
207 } 228 }
208 229
209 attachable (const attachable &src) 230 attachable (const attachable &src)
210 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 231 : flags (0), self (0), cb (0), attach (src.attach)
211 { 232 {
212 } 233 }
213 234
214 virtual ~attachable (); 235 // set a custom key to the given value, or delete it if value = 0
236 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
237
238 void set_key_text (const char *key, const char *value = 0)
239 {
240 set_key (key, value, 1);
241 }
242
243 void set_key_data (const char *key, const char *value = 0)
244 {
245 set_key (key, value, 0);
246 }
215 247
216 attachable &operator =(const attachable &src); 248 attachable &operator =(const attachable &src);
217 249
218 // used to _quickly_ device wether to shortcut the evaluation 250 // used to _quickly_ device wether to shortcut the evaluation
219 bool should_invoke (event_type event) 251 bool should_invoke (event_type event)
… …
230 // do the real refcount checking work 262 // do the real refcount checking work
231 void do_check (); 263 void do_check ();
232 264
233 // the method that does the real destroy work 265 // the method that does the real destroy work
234 virtual void do_destroy (); 266 virtual void do_destroy ();
267
268 // destructor is protected, should not be called by anybody
269 virtual ~attachable ();
235}; 270};
236 271
237// the global object is a pseudo object that cares for the global events 272// the global object is a pseudo object that cares for the global events
238struct global : attachable 273struct global : attachable
239{ 274{
… …
242 277
243extern struct global gbl_ev; 278extern struct global gbl_ev;
244 279
245////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 280//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
246 281
282INTERFACE_CLASS(object_freezer)
247struct object_freezer : dynbuf_text 283struct object_freezer : dynbuf_text
248{ 284{
249 AV *av; 285 AV *av;
250 286
251 object_freezer (); 287 object_freezer ();
… …
263 299
264 add ('\n'); 300 add ('\n');
265 } 301 }
266 302
267 template<typename T> 303 template<typename T>
268 void put_string (keyword k, const T &v) 304 void put_kw_string (keyword k, const T &v)
269 { 305 {
270 int klen = keyword_len [k]; 306 int klen = keyword_len [k];
271 int vlen = v ? strlen (v) + 1 : 0; 307 int vlen = v ? strlen (v) + 1 : 0;
272 308
273 char *p = (char *)alloc (klen + vlen + 1); 309 char *p = (char *)alloc (klen + vlen + 1);
… …
283 *p = '\n'; 319 *p = '\n';
284 } 320 }
285 321
286 void put (keyword k, const char *v = 0) 322 void put (keyword k, const char *v = 0)
287 { 323 {
288 put_string (k, v); 324 put_kw_string (k, v);
289 } 325 }
290 326
291 void put (keyword k, const shstr &v) 327 void put (keyword k, const shstr &v)
292 { 328 {
293 put_string (k, v); 329 put_kw_string (k, v);
294 } 330 }
295 331
296 void put (keyword k, double v) 332 void put (keyword k, double v)
297 { 333 {
298 force (MAX_KEYWORD_LEN + 2 + 32); 334 force (MAX_KEYWORD_LEN + 2 + 32);
… …
345 381
346 force (MAX_KEYWORD_LEN + 1); 382 force (MAX_KEYWORD_LEN + 1);
347 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 383 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
348 } 384 }
349 385
350 template<typename T> 386 void put (keyword k, archetype *v);
387 void put (keyword k, treasurelist *v);
351 void put (keyword k, const T *v) 388 void put (keyword k, faceinfo *v);
352 {
353 if (v)
354 put (k, v->name);
355 else
356 put (k, (const char *)0);
357 }
358 389
359 template<typename T> 390 template<typename T>
360 void put (keyword k, const refptr<T> &v) 391 void put (keyword k, const refptr<T> &v)
361 { 392 {
362 put (k, (T *)v); 393 put (k, (T *)v);
363 } 394 }
364 395
365 bool save (const char *path); 396 MTH bool save (const_octet_string path);
366 char *as_string (); // like strdup 397 char *as_string (); // like strdup
367 398
368 operator bool () { return !!av; } 399 operator bool () { return !!av; }
369}; 400};
370 401
402INTERFACE_CLASS(object_thawer)
371struct object_thawer 403struct object_thawer
372{ 404{
373 char *line; // current beginning of line 405 char *line; // current beginning of line
374 SV *text; // text part 406 SV *text; // text part
375 AV *av; // perl part 407 AV *av; // perl part
376 int linenum; 408 int linenum;
377 keyword kw; 409 keyword kw;
378 char *kw_str; // the keyword parsed, as string 410 char *kw_str; // the keyword parsed, as string
379 char *value; // the value, or 0 if no value 411 char *value; // the value, or 0 if no value
380 char *value_nn; // the value, or the empty string if no value 412 const char *value_nn; // the value, or the empty string if no value
381 const char *name; 413 const char *name;
382 414
383 operator bool () { return !!text; } 415 operator bool () const { return !!text; }
384 416
385 object_thawer (const char *path = 0); 417 object_thawer (const char *path = 0);
386 object_thawer (const char *data, AV *perlav); 418 object_thawer (const char *data, AV *perlav);
387 ~object_thawer (); 419 ~object_thawer ();
388 420
389 void get (attachable *obj, int oid); 421 void get (attachable *obj, int oid);
390 422
391 // parse next line 423 // parse next line
392 void next (); 424 MTH void next ();
393 // skip the current key-value (usually fetch next line, for 425 // skip the current key-value (usually fetch next line, for
394 // multiline-fields, skips till the corresponding end-kw 426 // multiline-fields, skips till the corresponding end-kw
395 void skip (); 427 MTH void skip ();
428 MTH void skip_block (); // skips till and over KW_end
396 429
397 char *get_str () { return value; } // may be 0 430 char *get_str () { return value; } // may be 0
398 void get_ml (keyword kend, shstr &sh); 431 void get_ml (keyword kend, shstr &sh);
399 432
400 void get_ornull (shstr &sh) const { sh = value; } 433 void get_ornull (shstr &sh) const { sh = value; }
… …
416 void get (sint32 &i) { i = get_sint32 (); } 449 void get (sint32 &i) { i = get_sint32 (); }
417 450
418 void get (uint32 &i) { i = get_sint64 (); } 451 void get (uint32 &i) { i = get_sint64 (); }
419 void get (sint64 &i) { i = get_sint64 (); } 452 void get (sint64 &i) { i = get_sint64 (); }
420 453
454 MTH void parse_warn (const char *msg);
421 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 455 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
456
457 struct delayed_ref {
458 attachable *op;
459 object_ptr *ptr;
460 const char *ref;
461 };
462 std::vector<delayed_ref> delrefs;
463
464 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
465 MTH void resolve_delayed_derefs (bool deref = true);
422}; 466};
423 467
424//TODO: remove 468//TODO: remove
425char *fgets (char *s, int n, object_thawer &thawer); 469char *fgets (char *s, int n, object_thawer &thawer);
426 470
427////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 471//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
428 472
429struct coroapi { 473struct coroapi {
430 static struct CoroAPI *GCoroAPI; 474 static struct CoroAPI *GCoroAPI;
431 475
476 static EV_ATOMIC_T cede_pending;
477
432 static int nready () { return CORO_NREADY; } 478 static int nready () { return CORO_NREADY; }
433 static int cede () { return CORO_CEDE ; } 479 static int cede () { cede_pending = 0; return CORO_CEDE ; }
434 480
435 static double (*time)();
436 static double next_cede;
437 static int cede_counter;
438
439 static void do_cede_every ();
440 static void do_cede_to_tick (); 481 static void do_cede_to_tick ();
441 static void do_cede_to_tick_every ();
442 482
443 static void cede_every (int count) 483 // actually cede's far more often
444 {
445 if (expect_false (++cede_counter >= count))
446 do_cede_every ();
447 }
448
449 static void cede_to_tick () 484 static bool cede_to_tick ()
450 { 485 {
451 if (expect_false (time () >= next_cede)) 486 if (expect_true (!cede_pending))
487 return false;
488
452 do_cede_to_tick (); 489 do_cede_to_tick ();
453 } 490 return true;
454
455 static void cede_to_tick_every (int count)
456 {
457 if (expect_false (++cede_counter >= count))
458 cede_to_tick ();
459 } 491 }
460 492
461 static void wait_for_tick (); 493 static void wait_for_tick ();
462 static void wait_for_tick_begin (); 494 static void wait_for_tick_begin ();
463}; 495};
464 496
465struct watcher_base 497struct evapi
466{ 498{
467 static struct EventAPI *GEventAPI; 499 static struct EVAPI *GEVAPI;
468}; 500};
469 501
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)> 502struct iow : ev_io, evapi, callback<void (iow &, int)>
506{ 503{
504 static void thunk (EV_P_ struct ev_io *w_, int revents)
505 {
506 iow &w = *static_cast<iow *>(w_);
507
508 w (w, revents);
509 }
510
507 template<class O, class M> 511 template<class O, class M>
508 iow (O object, M method) 512 iow (O object, M method)
509 : callback<void (iow &, int)> (object, method) 513 : callback<void (iow &, int)> (object, method)
510 { 514 {
511 alloc (); 515 ev_init ((ev_io *)this, thunk);
512 } 516 }
513 517
514 void fd (int fd); 518 void prio (int prio)
515 int poll (); 519 {
520 ev_set_priority ((ev_io *)this, prio);
521 }
522
523 void set (int fd, int events)
524 {
525 ev_io_set ((ev_io *)this, fd, events);
526 }
527
528 int poll () const { return events; }
529
516 void poll (int events); 530 void poll (int events);
517 531
518private: 532 void start ()
519 void alloc (); 533 {
534 ev_io_start (EV_DEFAULT, (ev_io *)this);
535 }
536
537 void stop ()
538 {
539 ev_io_stop (EV_DEFAULT, (ev_io *)this);
540 }
541
542 ~iow ()
543 {
544 stop ();
545 }
546};
547
548struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
549{
550 static void thunk (EV_P_ struct ev_async *w_, int revents)
551 {
552 asyncw &w = *static_cast<asyncw *>(w_);
553
554 w (w, revents);
555 }
556
557 template<class O, class M>
558 asyncw (O object, M method)
559 : callback<void (asyncw &, int)> (object, method)
560 {
561 ev_init ((ev_async *)this, thunk);
562 }
563
564 void start ()
565 {
566 ev_async_start (EV_DEFAULT, (ev_async *)this);
567 }
568
569 void stop ()
570 {
571 ev_async_stop (EV_DEFAULT, (ev_async *)this);
572 }
573
574 ~asyncw ()
575 {
576 stop ();
577 }
520}; 578};
521 579
522#endif 580#endif
523 581

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