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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.74 by root, Mon May 28 21:15:56 2007 UTC vs.
Revision 1.96 by root, Wed Apr 16 21:14:13 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"
… …
56#undef readdir 55#undef readdir
57#undef getprotobyname 56#undef getprotobyname
58#undef gethostbyname 57#undef gethostbyname
59#undef ctime 58#undef ctime
60#undef strerror 59#undef strerror
60#undef _
61 61
62// same here, massive symbol spamming 62// same here, massive symbol spamming
63#undef do_open 63#undef do_open
64#undef do_close 64#undef do_close
65#undef ref 65#undef ref
… …
70#undef random 70#undef random
71#undef crypt 71#undef crypt
72 72
73////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
74 74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
75// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
76 81
77#define CHECK_ERROR \ 82#define CHECK_ERROR \
78 if (SvTRUE (ERRSV)) \ 83 if (SvTRUE (ERRSV)) \
79 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 84 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
80 85
81#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 86#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 87#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))) 88#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; 89#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
… …
86 91
87////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
88 93
89void cfperl_init (); 94void cfperl_init ();
90void cfperl_main (); 95void cfperl_main ();
96void cfperl_tick ();
91void cfperl_emergency_save (); 97void cfperl_emergency_save ();
92void cfperl_cleanup (int make_core); 98void cfperl_cleanup (int make_core);
93void cfperl_make_book (object *book, int level); 99void cfperl_make_book (object *book, int level);
100void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
101int cfperl_can_merge (object *ob1, object *ob2);
94 102
95////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 103//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
96 104
105#if IVSIZE >= 8
106 typedef IV val64;
107 typedef IV uval64;
108# define newSVval64 newSViv
109# define SvVAL64 SvIV
110# define newSVuval64 newSVuv
111# define SvUVAL64 SvUV
112#else
113 typedef double val64;
114 typedef double uval64;
115# define newSVval64 newSVnv
116# define SvVAL64 SvNV
117# define newSVuval64 newSVnv
118# define SvUVAL64 SvNV
119#endif
120
97// virtual server time, excluding time jumps and lag 121extern tstamp runtime; // virtual server time, excluding time jumps and lag
98extern double runtime; 122extern tstamp NOW; // real time of current server tick
99 123
100enum event_klass 124enum event_klass
101{ 125{
102 KLASS_NONE, 126 KLASS_NONE,
103 KLASS_GLOBAL, 127 KLASS_GLOBAL,
… …
153int cfperl_result_INT (int idx); 177int cfperl_result_INT (int idx);
154 178
155////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 179//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
156 180
157INTERFACE_CLASS (attachable) 181INTERFACE_CLASS (attachable)
158struct attachable 182struct attachable : refcnt_base
159{ 183{
160 static MGVTBL vtbl; 184 static MGVTBL vtbl;
161 185
162 static unordered_vector<attachable *> mortals; 186 static unordered_vector<attachable *> mortals;
163 MTH static void check_mortals (); 187 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 int ACC (RW, flags);
169 194
170 // object is delete'd after the refcount reaches 0 195 // 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; 196 MTH int refcnt_cnt () const;
178 // check wether the object has died and destroy 197 // check wether the object has died and destroy
179 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 198 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
180 199
181 // destroy the object unless it was already destroyed 200 // destroy the object unless it was already destroyed
182 // this politely asks everybody interested the reduce 201 // this politely asks everybody interested the reduce
183 // the refcount to 0 as soon as possible. 202 // the refcount to 0 as soon as possible.
184 MTH void destroy (); 203 MTH void destroy ();
… …
200 219
201 void sever_self (); // sever this object from its self, if it has one. 220 void sever_self (); // sever this object from its self, if it has one.
202 void optimise (); // possibly save some memory by destroying unneeded data 221 void optimise (); // possibly save some memory by destroying unneeded data
203 222
204 attachable () 223 attachable ()
205 : flags (0), refcnt (0), self (0), cb (0), attach (0) 224 : flags (0), self (0), cb (0), attach (0)
206 { 225 {
207 } 226 }
208 227
209 attachable (const attachable &src) 228 attachable (const attachable &src)
210 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 229 : flags (0), self (0), cb (0), attach (src.attach)
211 { 230 {
212 } 231 }
213 232
214 virtual ~attachable (); 233 // set a custom key to the given value, or delete it if value = 0
234 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
235
236 void set_key_text (const char *key, const char *value = 0)
237 {
238 set_key (key, value, 1);
239 }
240
241 void set_key_data (const char *key, const char *value = 0)
242 {
243 set_key (key, value, 0);
244 }
215 245
216 attachable &operator =(const attachable &src); 246 attachable &operator =(const attachable &src);
217 247
218 // used to _quickly_ device wether to shortcut the evaluation 248 // used to _quickly_ device wether to shortcut the evaluation
219 bool should_invoke (event_type event) 249 bool should_invoke (event_type event)
… …
230 // do the real refcount checking work 260 // do the real refcount checking work
231 void do_check (); 261 void do_check ();
232 262
233 // the method that does the real destroy work 263 // the method that does the real destroy work
234 virtual void do_destroy (); 264 virtual void do_destroy ();
265
266 // destructor is protected, should not be called by anybody
267 virtual ~attachable ();
235}; 268};
236 269
237// the global object is a pseudo object that cares for the global events 270// the global object is a pseudo object that cares for the global events
238struct global : attachable 271struct global : attachable
239{ 272{
… …
242 275
243extern struct global gbl_ev; 276extern struct global gbl_ev;
244 277
245////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 278//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
246 279
280INTERFACE_CLASS(object_freezer)
247struct object_freezer : dynbuf_text 281struct object_freezer : dynbuf_text
248{ 282{
249 AV *av; 283 AV *av;
250 284
251 object_freezer (); 285 object_freezer ();
… …
263 297
264 add ('\n'); 298 add ('\n');
265 } 299 }
266 300
267 template<typename T> 301 template<typename T>
268 void put_string (keyword k, const T &v) 302 void put_kw_string (keyword k, const T &v)
269 { 303 {
270 int klen = keyword_len [k]; 304 int klen = keyword_len [k];
271 int vlen = v ? strlen (v) + 1 : 0; 305 int vlen = v ? strlen (v) + 1 : 0;
272 306
273 char *p = (char *)alloc (klen + vlen + 1); 307 char *p = (char *)alloc (klen + vlen + 1);
… …
283 *p = '\n'; 317 *p = '\n';
284 } 318 }
285 319
286 void put (keyword k, const char *v = 0) 320 void put (keyword k, const char *v = 0)
287 { 321 {
288 put_string (k, v); 322 put_kw_string (k, v);
289 } 323 }
290 324
291 void put (keyword k, const shstr &v) 325 void put (keyword k, const shstr &v)
292 { 326 {
293 put_string (k, v); 327 put_kw_string (k, v);
294 } 328 }
295 329
296 void put (keyword k, double v) 330 void put (keyword k, double v)
297 { 331 {
298 force (MAX_KEYWORD_LEN + 2 + 32); 332 force (MAX_KEYWORD_LEN + 2 + 32);
… …
345 379
346 force (MAX_KEYWORD_LEN + 1); 380 force (MAX_KEYWORD_LEN + 1);
347 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 381 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
348 } 382 }
349 383
350 template<typename T> 384 void put (keyword k, archetype *v);
385 void put (keyword k, treasurelist *v);
351 void put (keyword k, const T *v) 386 void put (keyword k, faceinfo *v);
352 {
353 if (v)
354 put (k, v->name);
355 else
356 put (k, (const char *)0);
357 }
358 387
359 template<typename T> 388 template<typename T>
360 void put (keyword k, const refptr<T> &v) 389 void put (keyword k, const refptr<T> &v)
361 { 390 {
362 put (k, (T *)v); 391 put (k, (T *)v);
363 } 392 }
364 393
365 bool save (const char *path); 394 MTH bool save (const_octet_string path);
366 char *as_string (); // like strdup 395 char *as_string (); // like strdup
367 396
368 operator bool () { return !!av; } 397 operator bool () { return !!av; }
369}; 398};
370 399
400INTERFACE_CLASS(object_thawer)
371struct object_thawer 401struct object_thawer
372{ 402{
373 char *line; // current beginning of line 403 char *line; // current beginning of line
374 SV *text; // text part 404 SV *text; // text part
375 AV *av; // perl part 405 AV *av; // perl part
376 int linenum; 406 int linenum;
377 keyword kw; 407 keyword kw;
378 char *kw_str; // the keyword parsed, as string 408 char *kw_str; // the keyword parsed, as string
379 char *value; // the value, or 0 if no value 409 char *value; // the value, or 0 if no value
380 char *value_nn; // the value, or the empty string if no value 410 const char *value_nn; // the value, or the empty string if no value
381 const char *name; 411 const char *name;
382 412
383 operator bool () { return !!text; } 413 operator bool () const { return !!text; }
384 414
385 object_thawer (const char *path = 0); 415 object_thawer (const char *path = 0);
386 object_thawer (const char *data, AV *perlav); 416 object_thawer (const char *data, AV *perlav);
387 ~object_thawer (); 417 ~object_thawer ();
388 418
389 void get (attachable *obj, int oid); 419 void get (attachable *obj, int oid);
390 420
391 // parse next line 421 // parse next line
392 void next (); 422 MTH void next ();
393 // skip the current key-value (usually fetch next line, for 423 // skip the current key-value (usually fetch next line, for
394 // multiline-fields, skips till the corresponding end-kw 424 // multiline-fields, skips till the corresponding end-kw
395 void skip (); 425 MTH void skip ();
426 MTH void skip_block (); // skips till and over KW_end
396 427
397 char *get_str () { return value; } // may be 0 428 char *get_str () { return value; } // may be 0
398 void get_ml (keyword kend, shstr &sh); 429 void get_ml (keyword kend, shstr &sh);
399 430
400 void get_ornull (shstr &sh) const { sh = value; } 431 void get_ornull (shstr &sh) const { sh = value; }
… …
416 void get (sint32 &i) { i = get_sint32 (); } 447 void get (sint32 &i) { i = get_sint32 (); }
417 448
418 void get (uint32 &i) { i = get_sint64 (); } 449 void get (uint32 &i) { i = get_sint64 (); }
419 void get (sint64 &i) { i = get_sint64 (); } 450 void get (sint64 &i) { i = get_sint64 (); }
420 451
452 MTH void parse_warn (const char *msg);
421 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 453 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
454
455 struct delayed_ref {
456 attachable *op;
457 object_ptr *ptr;
458 const char *ref;
459 };
460 std::vector<delayed_ref> delrefs;
461
462 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
463 MTH void resolve_delayed_derefs (bool deref = true);
422}; 464};
423 465
424//TODO: remove 466//TODO: remove
425char *fgets (char *s, int n, object_thawer &thawer); 467char *fgets (char *s, int n, object_thawer &thawer);
426 468
427////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 469//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
428 470
429struct coroapi { 471struct coroapi {
430 static struct CoroAPI *GCoroAPI; 472 static struct CoroAPI *GCoroAPI;
431 473
474 static EV_ATOMIC_T cede_pending;
475
432 static int nready () { return CORO_NREADY; } 476 static int nready () { return CORO_NREADY; }
433 static int cede () { return CORO_CEDE ; } 477 static int cede () { cede_pending = 0; return CORO_CEDE ; }
434 478
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 (); 479 static void do_cede_to_tick ();
441 static void do_cede_to_tick_every ();
442 480
443 static void cede_every (int count) 481 // 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 () 482 static bool cede_to_tick ()
450 { 483 {
451 if (expect_false (time () >= next_cede)) 484 if (expect_true (!cede_pending))
485 return false;
486
452 do_cede_to_tick (); 487 do_cede_to_tick ();
453 } 488 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 } 489 }
460 490
461 static void wait_for_tick (); 491 static void wait_for_tick ();
462 static void wait_for_tick_begin (); 492 static void wait_for_tick_begin ();
463}; 493};
464 494
465struct watcher_base 495struct evapi
466{ 496{
467 static struct EventAPI *GEventAPI; 497 static struct EVAPI *GEVAPI;
468}; 498};
469 499
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)> 500struct iow : ev_io, evapi, callback<void (iow &, int)>
506{ 501{
502 static void thunk (EV_P_ struct ev_io *w_, int revents)
503 {
504 iow &w = *static_cast<iow *>(w_);
505
506 w (w, revents);
507 }
508
507 template<class O, class M> 509 template<class O, class M>
508 iow (O object, M method) 510 iow (O object, M method)
509 : callback<void (iow &, int)> (object, method) 511 : callback<void (iow &, int)> (object, method)
510 { 512 {
511 alloc (); 513 ev_init ((ev_io *)this, thunk);
512 } 514 }
513 515
514 void fd (int fd); 516 void prio (int prio)
515 int poll (); 517 {
518 ev_set_priority ((ev_io *)this, prio);
519 }
520
521 void set (int fd, int events)
522 {
523 ev_io_set ((ev_io *)this, fd, events);
524 }
525
526 int poll () const { return events; }
527
516 void poll (int events); 528 void poll (int events);
517 529
518private: 530 void start ()
519 void alloc (); 531 {
532 ev_io_start (EV_DEFAULT, (ev_io *)this);
533 }
534
535 void stop ()
536 {
537 ev_io_stop (EV_DEFAULT, (ev_io *)this);
538 }
539
540 ~iow ()
541 {
542 stop ();
543 }
544};
545
546struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
547{
548 static void thunk (EV_P_ struct ev_async *w_, int revents)
549 {
550 asyncw &w = *static_cast<asyncw *>(w_);
551
552 w (w, revents);
553 }
554
555 template<class O, class M>
556 asyncw (O object, M method)
557 : callback<void (asyncw &, int)> (object, method)
558 {
559 ev_init ((ev_async *)this, thunk);
560 }
561
562 void start ()
563 {
564 ev_async_start (EV_DEFAULT, (ev_async *)this);
565 }
566
567 void stop ()
568 {
569 ev_async_stop (EV_DEFAULT, (ev_async *)this);
570 }
571
572 ~asyncw ()
573 {
574 stop ();
575 }
520}; 576};
521 577
522#endif 578#endif
523 579

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