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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.77 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.94 by root, Wed Apr 2 11:13:54 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\n", __func__, SvPVutf8_nolen (ERRSV));
… …
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
97// virtual server time, excluding time jumps and lag 105extern tstamp runtime; // virtual server time, excluding time jumps and lag
98extern double runtime; 106extern tstamp NOW; // real time of current server tick
99 107
100enum event_klass 108enum event_klass
101{ 109{
102 KLASS_NONE, 110 KLASS_NONE,
103 KLASS_GLOBAL, 111 KLASS_GLOBAL,
… …
153int cfperl_result_INT (int idx); 161int cfperl_result_INT (int idx);
154 162
155////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 163//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
156 164
157INTERFACE_CLASS (attachable) 165INTERFACE_CLASS (attachable)
158struct attachable 166struct attachable : refcnt_base
159{ 167{
160 static MGVTBL vtbl; 168 static MGVTBL vtbl;
161 169
162 static unordered_vector<attachable *> mortals; 170 static unordered_vector<attachable *> mortals;
163 MTH static void check_mortals (); 171 MTH static void check_mortals ();
164 172
165 enum { 173 enum {
166 F_DESTROYED = 0x01, 174 F_DESTROYED = 0x01,
167 F_DEBUG_TRACE = 0x02, 175 F_DEBUG_TRACE = 0x02,
168 }; 176 };
177 int ACC (RW, flags);
169 178
170 // object is delete'd after the refcount reaches 0 179 // 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; 180 MTH int refcnt_cnt () const;
178 // check wether the object has died and destroy 181 // check wether the object has died and destroy
179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 182 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
180 183
181 // destroy the object unless it was already destroyed 184 // destroy the object unless it was already destroyed
… …
200 203
201 void sever_self (); // sever this object from its self, if it has one. 204 void sever_self (); // sever this object from its self, if it has one.
202 void optimise (); // possibly save some memory by destroying unneeded data 205 void optimise (); // possibly save some memory by destroying unneeded data
203 206
204 attachable () 207 attachable ()
205 : flags (0), refcnt (0), self (0), cb (0), attach (0) 208 : flags (0), self (0), cb (0), attach (0)
206 { 209 {
207 } 210 }
208 211
209 attachable (const attachable &src) 212 attachable (const attachable &src)
210 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 213 : flags (0), self (0), cb (0), attach (src.attach)
211 { 214 {
212 } 215 }
213 216
214 virtual ~attachable (); 217 // set a custom key to the given value, or delete it if value = 0
218 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
219
220 void set_key_text (const char *key, const char *value = 0)
221 {
222 set_key (key, value, 1);
223 }
224
225 void set_key_data (const char *key, const char *value = 0)
226 {
227 set_key (key, value, 0);
228 }
215 229
216 attachable &operator =(const attachable &src); 230 attachable &operator =(const attachable &src);
217 231
218 // used to _quickly_ device wether to shortcut the evaluation 232 // used to _quickly_ device wether to shortcut the evaluation
219 bool should_invoke (event_type event) 233 bool should_invoke (event_type event)
… …
230 // do the real refcount checking work 244 // do the real refcount checking work
231 void do_check (); 245 void do_check ();
232 246
233 // the method that does the real destroy work 247 // the method that does the real destroy work
234 virtual void do_destroy (); 248 virtual void do_destroy ();
249
250 // destructor is protected, should not be called by anybody
251 virtual ~attachable ();
235}; 252};
236 253
237// the global object is a pseudo object that cares for the global events 254// the global object is a pseudo object that cares for the global events
238struct global : attachable 255struct global : attachable
239{ 256{
… …
242 259
243extern struct global gbl_ev; 260extern struct global gbl_ev;
244 261
245////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 262//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
246 263
264INTERFACE_CLASS(object_freezer)
247struct object_freezer : dynbuf_text 265struct object_freezer : dynbuf_text
248{ 266{
249 AV *av; 267 AV *av;
250 268
251 object_freezer (); 269 object_freezer ();
… …
263 281
264 add ('\n'); 282 add ('\n');
265 } 283 }
266 284
267 template<typename T> 285 template<typename T>
268 void put_string (keyword k, const T &v) 286 void put_kw_string (keyword k, const T &v)
269 { 287 {
270 int klen = keyword_len [k]; 288 int klen = keyword_len [k];
271 int vlen = v ? strlen (v) + 1 : 0; 289 int vlen = v ? strlen (v) + 1 : 0;
272 290
273 char *p = (char *)alloc (klen + vlen + 1); 291 char *p = (char *)alloc (klen + vlen + 1);
… …
283 *p = '\n'; 301 *p = '\n';
284 } 302 }
285 303
286 void put (keyword k, const char *v = 0) 304 void put (keyword k, const char *v = 0)
287 { 305 {
288 put_string (k, v); 306 put_kw_string (k, v);
289 } 307 }
290 308
291 void put (keyword k, const shstr &v) 309 void put (keyword k, const shstr &v)
292 { 310 {
293 put_string (k, v); 311 put_kw_string (k, v);
294 } 312 }
295 313
296 void put (keyword k, double v) 314 void put (keyword k, double v)
297 { 315 {
298 force (MAX_KEYWORD_LEN + 2 + 32); 316 force (MAX_KEYWORD_LEN + 2 + 32);
… …
345 363
346 force (MAX_KEYWORD_LEN + 1); 364 force (MAX_KEYWORD_LEN + 1);
347 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 365 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
348 } 366 }
349 367
350 template<typename T> 368 void put (keyword k, archetype *v);
369 void put (keyword k, treasurelist *v);
351 void put (keyword k, const T *v) 370 void put (keyword k, faceinfo *v);
352 {
353 put (k, v ? &v->name : (const char *)0);
354 }
355 371
356 template<typename T> 372 template<typename T>
357 void put (keyword k, const refptr<T> &v) 373 void put (keyword k, const refptr<T> &v)
358 { 374 {
359 put (k, (T *)v); 375 put (k, (T *)v);
360 } 376 }
361 377
362 bool save (const char *path); 378 MTH bool save (const_octet_string path);
363 char *as_string (); // like strdup 379 char *as_string (); // like strdup
364 380
365 operator bool () { return !!av; } 381 operator bool () { return !!av; }
366}; 382};
367 383
384INTERFACE_CLASS(object_thawer)
368struct object_thawer 385struct object_thawer
369{ 386{
370 char *line; // current beginning of line 387 char *line; // current beginning of line
371 SV *text; // text part 388 SV *text; // text part
372 AV *av; // perl part 389 AV *av; // perl part
373 int linenum; 390 int linenum;
374 keyword kw; 391 keyword kw;
375 char *kw_str; // the keyword parsed, as string 392 char *kw_str; // the keyword parsed, as string
376 char *value; // the value, or 0 if no value 393 char *value; // the value, or 0 if no value
377 char *value_nn; // the value, or the empty string if no value 394 const char *value_nn; // the value, or the empty string if no value
378 const char *name; 395 const char *name;
379 396
380 operator bool () { return !!text; } 397 operator bool () const { return !!text; }
381 398
382 object_thawer (const char *path = 0); 399 object_thawer (const char *path = 0);
383 object_thawer (const char *data, AV *perlav); 400 object_thawer (const char *data, AV *perlav);
384 ~object_thawer (); 401 ~object_thawer ();
385 402
386 void get (attachable *obj, int oid); 403 void get (attachable *obj, int oid);
387 404
388 // parse next line 405 // parse next line
389 void next (); 406 MTH void next ();
390 // skip the current key-value (usually fetch next line, for 407 // skip the current key-value (usually fetch next line, for
391 // multiline-fields, skips till the corresponding end-kw 408 // multiline-fields, skips till the corresponding end-kw
392 void skip (); 409 MTH void skip ();
410 MTH void skip_block (); // skips till and over KW_end
393 411
394 char *get_str () { return value; } // may be 0 412 char *get_str () { return value; } // may be 0
395 void get_ml (keyword kend, shstr &sh); 413 void get_ml (keyword kend, shstr &sh);
396 414
397 void get_ornull (shstr &sh) const { sh = value; } 415 void get_ornull (shstr &sh) const { sh = value; }
… …
413 void get (sint32 &i) { i = get_sint32 (); } 431 void get (sint32 &i) { i = get_sint32 (); }
414 432
415 void get (uint32 &i) { i = get_sint64 (); } 433 void get (uint32 &i) { i = get_sint64 (); }
416 void get (sint64 &i) { i = get_sint64 (); } 434 void get (sint64 &i) { i = get_sint64 (); }
417 435
436 MTH void parse_warn (const char *msg);
418 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 437 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
438
439 struct delayed_ref {
440 attachable *op;
441 object_ptr *ptr;
442 const char *ref;
443 };
444 std::vector<delayed_ref> delrefs;
445
446 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
447 MTH void resolve_delayed_derefs (bool deref = true);
419}; 448};
420 449
421//TODO: remove 450//TODO: remove
422char *fgets (char *s, int n, object_thawer &thawer); 451char *fgets (char *s, int n, object_thawer &thawer);
423 452
424////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 453//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
425 454
426struct coroapi { 455struct coroapi {
427 static struct CoroAPI *GCoroAPI; 456 static struct CoroAPI *GCoroAPI;
428 457
458 static EV_ATOMIC_T cede_pending;
459
429 static int nready () { return CORO_NREADY; } 460 static int nready () { return CORO_NREADY; }
430 static int cede () { return CORO_CEDE ; } 461 static int cede () { cede_pending = 0; return CORO_CEDE ; }
431 462
432 static double (*time)();
433 static double next_cede;
434 static int cede_counter;
435
436 static void do_cede_every ();
437 static void do_cede_to_tick (); 463 static void do_cede_to_tick ();
438 static void do_cede_to_tick_every ();
439 464
440 static void cede_every (int count) 465 // actually cede's far more often
441 {
442 if (expect_false (++cede_counter >= count))
443 do_cede_every ();
444 }
445
446 static bool cede_to_tick () 466 static bool cede_to_tick ()
447 { 467 {
448 if (expect_true (time () < next_cede)) 468 if (expect_true (!cede_pending))
449 return false; 469 return false;
450 470
451 do_cede_to_tick (); 471 do_cede_to_tick ();
452 return true; 472 return true;
453 } 473 }
454 474
455 static bool cede_to_tick_every (int count)
456 {
457 if (expect_true (++cede_counter < count))
458 return false;
459
460 return cede_to_tick ();
461 }
462
463 static void wait_for_tick (); 475 static void wait_for_tick ();
464 static void wait_for_tick_begin (); 476 static void wait_for_tick_begin ();
465}; 477};
466 478
467struct watcher_base 479struct evapi
468{ 480{
469 static struct EventAPI *GEventAPI; 481 static struct EVAPI *GEVAPI;
470}; 482};
471 483
472template<class base>
473struct watcher : watcher_base
474{
475 base *pe;
476
477 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
478 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
479 void now () { GEventAPI->now ((pe_watcher *)pe); }
480 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
481 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
482
483 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
484
485 ~watcher ()
486 {
487 cancel ();
488 }
489
490private:
491 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
492};
493
494struct iw : watcher<pe_idle>, callback<void (iw &)>
495{
496 template<class O, class M>
497 iw (O object, M method)
498 : callback<void (iw &)> (object, method)
499 {
500 alloc ();
501 }
502
503private:
504 void alloc ();
505};
506
507struct iow : watcher<pe_io>, callback<void (iow &, int)> 484struct iow : ev_io, evapi, callback<void (iow &, int)>
508{ 485{
486 static void thunk (EV_P_ struct ev_io *w_, int revents)
487 {
488 iow &w = *static_cast<iow *>(w_);
489
490 w (w, revents);
491 }
492
509 template<class O, class M> 493 template<class O, class M>
510 iow (O object, M method) 494 iow (O object, M method)
511 : callback<void (iow &, int)> (object, method) 495 : callback<void (iow &, int)> (object, method)
512 { 496 {
513 alloc (); 497 ev_init ((ev_io *)this, thunk);
514 } 498 }
515 499
516 void fd (int fd); 500 void prio (int prio)
517 int poll (); 501 {
502 ev_set_priority ((ev_io *)this, prio);
503 }
504
505 void set (int fd, int events)
506 {
507 ev_io_set ((ev_io *)this, fd, events);
508 }
509
510 int poll () const { return events; }
511
518 void poll (int events); 512 void poll (int events);
519 513
520private: 514 void start ()
521 void alloc (); 515 {
516 ev_io_start (EV_DEFAULT, (ev_io *)this);
517 }
518
519 void stop ()
520 {
521 ev_io_stop (EV_DEFAULT, (ev_io *)this);
522 }
523
524 ~iow ()
525 {
526 stop ();
527 }
528};
529
530struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
531{
532 static void thunk (EV_P_ struct ev_async *w_, int revents)
533 {
534 asyncw &w = *static_cast<asyncw *>(w_);
535
536 w (w, revents);
537 }
538
539 template<class O, class M>
540 asyncw (O object, M method)
541 : callback<void (asyncw &, int)> (object, method)
542 {
543 ev_init ((ev_async *)this, thunk);
544 }
545
546 void start ()
547 {
548 ev_async_start (EV_DEFAULT, (ev_async *)this);
549 }
550
551 void stop ()
552 {
553 ev_async_stop (EV_DEFAULT, (ev_async *)this);
554 }
555
556 ~asyncw ()
557 {
558 stop ();
559 }
522}; 560};
523 561
524#endif 562#endif
525 563

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