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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.78 by root, Wed Jun 6 05:41:26 2007 UTC vs.
Revision 1.103 by root, Thu Jan 8 03:03:24 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 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;
85#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 92#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
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);
104void cfperl_mapscript_activate (object *ob, object *activator, int state);
94 105
95////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 106//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
96 107
108#if IVSIZE >= 8
109 typedef IV val64;
110 typedef IV uval64;
111# define newSVval64 newSViv
112# define SvVAL64 SvIV
113# define newSVuval64 newSVuv
114# define SvUVAL64 SvUV
115#else
116 typedef double val64;
117 typedef double uval64;
118# define newSVval64 newSVnv
119# define SvVAL64 SvNV
120# define newSVuval64 newSVnv
121# define SvUVAL64 SvNV
122#endif
123
97// virtual server time, excluding time jumps and lag 124extern tstamp runtime; // virtual server time, excluding time jumps and lag
98extern double runtime; 125extern tstamp NOW; // real time of current server tick
99 126
100enum event_klass 127enum event_klass
101{ 128{
102 KLASS_NONE, 129 KLASS_NONE,
103 KLASS_GLOBAL, 130 KLASS_GLOBAL,
… …
153int cfperl_result_INT (int idx); 180int cfperl_result_INT (int idx);
154 181
155////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 182//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
156 183
157INTERFACE_CLASS (attachable) 184INTERFACE_CLASS (attachable)
158struct attachable 185struct attachable : refcnt_base
159{ 186{
160 static MGVTBL vtbl; 187 static MGVTBL vtbl;
161
162 static unordered_vector<attachable *> mortals;
163 MTH static void check_mortals ();
164 188
165 enum { 189 enum {
166 F_DESTROYED = 0x01, 190 F_DESTROYED = 0x01,
167 F_DEBUG_TRACE = 0x02, 191 F_DEBUG_TRACE = 0x02,
168 }; 192 };
193 uint8 ACC (RW, flags);
194
195 static unordered_vector<attachable *> mortals;
196 MTH static void check_mortals ();
169 197
170 // object is delete'd after the refcount reaches 0 198 // 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; 199 MTH int refcnt_cnt () const;
178 // check wether the object has died and destroy 200 // check wether the object has died and destroy
179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 201 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
180 202
181 // destroy the object unless it was already destroyed 203 // destroy the object unless it was already destroyed
… …
200 222
201 void sever_self (); // sever this object from its self, if it has one. 223 void sever_self (); // sever this object from its self, if it has one.
202 void optimise (); // possibly save some memory by destroying unneeded data 224 void optimise (); // possibly save some memory by destroying unneeded data
203 225
204 attachable () 226 attachable ()
205 : flags (0), refcnt (0), self (0), cb (0), attach (0) 227 : flags (0), self (0), cb (0), attach (0)
206 { 228 {
207 } 229 }
208 230
209 attachable (const attachable &src) 231 attachable (const attachable &src)
210 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 232 : flags (0), self (0), cb (0), attach (src.attach)
211 { 233 {
212 } 234 }
213 235
214 virtual ~attachable (); 236 // set a custom key to the given value, or delete it if value = 0
237 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
238
239 void set_key_text (const char *key, const char *value = 0)
240 {
241 set_key (key, value, 1);
242 }
243
244 void set_key_data (const char *key, const char *value = 0)
245 {
246 set_key (key, value, 0);
247 }
215 248
216 attachable &operator =(const attachable &src); 249 attachable &operator =(const attachable &src);
217 250
218 // used to _quickly_ device wether to shortcut the evaluation 251 // used to _quickly_ device wether to shortcut the evaluation
219 bool should_invoke (event_type event) 252 bool should_invoke (event_type event)
… …
230 // do the real refcount checking work 263 // do the real refcount checking work
231 void do_check (); 264 void do_check ();
232 265
233 // the method that does the real destroy work 266 // the method that does the real destroy work
234 virtual void do_destroy (); 267 virtual void do_destroy ();
268
269 // destructor is protected, should not be called by anybody
270 virtual ~attachable ();
235}; 271};
236 272
237// the global object is a pseudo object that cares for the global events 273// the global object is a pseudo object that cares for the global events
238struct global : attachable 274struct global : attachable
239{ 275{
… …
242 278
243extern struct global gbl_ev; 279extern struct global gbl_ev;
244 280
245////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 281//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
246 282
283INTERFACE_CLASS(object_freezer)
247struct object_freezer : dynbuf_text 284struct object_freezer : dynbuf_text
248{ 285{
249 AV *av; 286 AV *av;
250 287
251 object_freezer (); 288 object_freezer ();
252 ~object_freezer (); 289 ~object_freezer ();
253 290
254 void put (attachable *ext); 291 void put (attachable *ext);
255 292
256 // used only for user-defined key-value pairs 293 // used only for user-defined key-value pairs
257 void put (const shstr &k, const shstr &v) 294 void put (shstr_tmp k, shstr_tmp v)
258 { 295 {
259 add (k); 296 add (k);
260 297
261 if (expect_true (v)) 298 if (expect_true (v))
262 add (' '), add (v); 299 add (' '), add (v);
… …
286 void put (keyword k, const char *v = 0) 323 void put (keyword k, const char *v = 0)
287 { 324 {
288 put_kw_string (k, v); 325 put_kw_string (k, v);
289 } 326 }
290 327
291 void put (keyword k, const shstr &v) 328 void put (keyword k, shstr_tmp v)
292 { 329 {
293 put_kw_string (k, v); 330 put_kw_string (k, v);
294 } 331 }
295 332
296 void put (keyword k, double v) 333 void put (keyword k, double v)
… …
330 void put (keyword k, signed long v) { put_(k, (sint64)v); } 367 void put (keyword k, signed long v) { put_(k, (sint64)v); }
331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 368 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
332 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 369 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
333 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 370 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
334 371
335 void put (keyword kbeg, keyword kend, const shstr &v) 372 void put (keyword kbeg, keyword kend, shstr_tmp v)
336 { 373 {
337 force (MAX_KEYWORD_LEN + 1); 374 force (MAX_KEYWORD_LEN + 1);
338 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 375 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
339 376
340 if (expect_true (v)) 377 if (expect_true (v))
… …
355 void put (keyword k, const refptr<T> &v) 392 void put (keyword k, const refptr<T> &v)
356 { 393 {
357 put (k, (T *)v); 394 put (k, (T *)v);
358 } 395 }
359 396
360 bool save (const char *path); 397 MTH bool save (const_octet_string path);
361 char *as_string (); // like strdup 398 char *as_string (); // like strdup
362 399
363 operator bool () { return !!av; } 400 operator bool () { return !!av; }
364}; 401};
365 402
403INTERFACE_CLASS(object_thawer)
366struct object_thawer 404struct object_thawer
367{ 405{
368 char *line; // current beginning of line 406 char *line; // current beginning of line
369 SV *text; // text part 407 SV *text; // text part
370 AV *av; // perl part 408 AV *av; // perl part
371 int linenum; 409 int linenum;
372 keyword kw; 410 keyword kw;
373 char *kw_str; // the keyword parsed, as string 411 char *kw_str; // the keyword parsed, as string
374 char *value; // the value, or 0 if no value 412 char *value; // the value, or 0 if no value
375 char *value_nn; // the value, or the empty string if no value 413 const char *value_nn; // the value, or the empty string if no value
376 const char *name; 414 const char *name;
377 415
378 operator bool () { return !!text; } 416 operator bool () const { return !!text; }
379 417
380 object_thawer (const char *path = 0); 418 object_thawer (const char *path = 0);
381 object_thawer (const char *data, AV *perlav); 419 object_thawer (const char *data, AV *perlav);
382 ~object_thawer (); 420 ~object_thawer ();
383 421
384 void get (attachable *obj, int oid); 422 void get (attachable *obj, int oid);
385 423
386 // parse next line 424 // parse next line
387 void next (); 425 MTH void next ();
388 // skip the current key-value (usually fetch next line, for 426 // skip the current key-value (usually fetch next line, for
389 // multiline-fields, skips till the corresponding end-kw 427 // multiline-fields, skips till the corresponding end-kw
390 void skip (); 428 MTH void skip ();
429 MTH void skip_block (); // skips till and over KW_end
391 430
392 char *get_str () { return value; } // may be 0 431 char *get_str () { return value; } // may be 0
393 void get_ml (keyword kend, shstr &sh); 432 void get_ml (keyword kend, shstr &sh);
394 433
395 void get_ornull (shstr &sh) const { sh = value; } 434 void get_ornull (shstr &sh) const { sh = value; }
… …
411 void get (sint32 &i) { i = get_sint32 (); } 450 void get (sint32 &i) { i = get_sint32 (); }
412 451
413 void get (uint32 &i) { i = get_sint64 (); } 452 void get (uint32 &i) { i = get_sint64 (); }
414 void get (sint64 &i) { i = get_sint64 (); } 453 void get (sint64 &i) { i = get_sint64 (); }
415 454
455 MTH void parse_warn (const char *msg);
416 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 456 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
457
458 struct delayed_ref {
459 attachable *op;
460 object_ptr *ptr;
461 const char *ref;
462 };
463 std::vector<delayed_ref> delrefs;
464
465 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
466 MTH void resolve_delayed_derefs (bool deref = true);
417}; 467};
418 468
419//TODO: remove 469//TODO: remove
420char *fgets (char *s, int n, object_thawer &thawer); 470char *fgets (char *s, int n, object_thawer &thawer);
421 471
422////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 472//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
423 473
424struct coroapi { 474struct coroapi {
425 static struct CoroAPI *GCoroAPI; 475 static struct CoroAPI *GCoroAPI;
426 476
477 static EV_ATOMIC_T cede_pending;
478
427 static int nready () { return CORO_NREADY; } 479 static int nready () { return CORO_NREADY; }
428 static int cede () { return CORO_CEDE ; } 480 static int cede () { cede_pending = 0; return CORO_CEDE ; }
429 481
430 static double (*time)();
431 static double next_cede;
432 static int cede_counter;
433
434 static void do_cede_every ();
435 static void do_cede_to_tick (); 482 static void do_cede_to_tick ();
436 static void do_cede_to_tick_every ();
437 483
438 static void cede_every (int count) 484 // 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 () 485 static bool cede_to_tick ()
445 { 486 {
446 if (expect_true (time () < next_cede)) 487 if (expect_true (!cede_pending))
447 return false; 488 return false;
448 489
449 do_cede_to_tick (); 490 do_cede_to_tick ();
450 return true; 491 return true;
451 } 492 }
452 493
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 (); 494 static void wait_for_tick ();
462 static void wait_for_tick_begin (); 495 static void wait_for_tick_begin ();
463}; 496};
464 497
465struct watcher_base 498struct evapi
466{ 499{
467 static struct EventAPI *GEventAPI; 500 static struct EVAPI *GEVAPI;
468}; 501};
469 502
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)> 503struct iow : ev_io, evapi, callback<void (iow &, int)>
506{ 504{
505 static void thunk (EV_P_ struct ev_io *w_, int revents)
506 {
507 iow &w = *static_cast<iow *>(w_);
508
509 w (w, revents);
510 }
511
507 template<class O, class M> 512 template<class O, class M>
508 iow (O object, M method) 513 iow (O object, M method)
509 : callback<void (iow &, int)> (object, method) 514 : callback<void (iow &, int)> (object, method)
510 { 515 {
511 alloc (); 516 ev_init ((ev_io *)this, thunk);
512 } 517 }
513 518
514 void fd (int fd); 519 void prio (int prio)
515 int poll (); 520 {
521 ev_set_priority ((ev_io *)this, prio);
522 }
523
524 void set (int fd, int events)
525 {
526 ev_io_set ((ev_io *)this, fd, events);
527 }
528
529 int poll () const { return events; }
530
516 void poll (int events); 531 void poll (int events);
517 532
518private: 533 void start ()
519 void alloc (); 534 {
535 ev_io_start (EV_DEFAULT, (ev_io *)this);
536 }
537
538 void stop ()
539 {
540 ev_io_stop (EV_DEFAULT, (ev_io *)this);
541 }
542
543 ~iow ()
544 {
545 stop ();
546 }
547};
548
549struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
550{
551 static void thunk (EV_P_ struct ev_async *w_, int revents)
552 {
553 asyncw &w = *static_cast<asyncw *>(w_);
554
555 w (w, revents);
556 }
557
558 template<class O, class M>
559 asyncw (O object, M method)
560 : callback<void (asyncw &, int)> (object, method)
561 {
562 ev_init ((ev_async *)this, thunk);
563 }
564
565 void start ()
566 {
567 ev_async_start (EV_DEFAULT, (ev_async *)this);
568 }
569
570 void stop ()
571 {
572 ev_async_stop (EV_DEFAULT, (ev_async *)this);
573 }
574
575 ~asyncw ()
576 {
577 stop ();
578 }
520}; 579};
521 580
522#endif 581#endif
523 582

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