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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 1.96 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);
94void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); 100void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
101int cfperl_can_merge (object *ob1, object *ob2);
95 102
96////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 103//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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
97 120
98extern tstamp runtime; // virtual server time, excluding time jumps and lag 121extern tstamp runtime; // virtual server time, excluding time jumps and lag
99extern tstamp NOW; // real time of current server tick 122extern tstamp NOW; // real time of current server tick
100 123
101enum event_klass 124enum event_klass
… …
154int cfperl_result_INT (int idx); 177int cfperl_result_INT (int idx);
155 178
156////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 179//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
157 180
158INTERFACE_CLASS (attachable) 181INTERFACE_CLASS (attachable)
159struct attachable 182struct attachable : refcnt_base
160{ 183{
161 static MGVTBL vtbl; 184 static MGVTBL vtbl;
162 185
163 static unordered_vector<attachable *> mortals; 186 static unordered_vector<attachable *> mortals;
164 MTH static void check_mortals (); 187 MTH static void check_mortals ();
165 188
166 enum { 189 enum {
167 F_DESTROYED = 0x01, 190 F_DESTROYED = 0x01,
168 F_DEBUG_TRACE = 0x02, 191 F_DEBUG_TRACE = 0x02,
169 }; 192 };
193 int ACC (RW, flags);
170 194
171 // object is delete'd after the refcount reaches 0 195 // 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; 196 MTH int refcnt_cnt () const;
179 // check wether the object has died and destroy 197 // check wether the object has died and destroy
180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 198 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
181 199
182 // destroy the object unless it was already destroyed 200 // destroy the object unless it was already destroyed
… …
201 219
202 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.
203 void optimise (); // possibly save some memory by destroying unneeded data 221 void optimise (); // possibly save some memory by destroying unneeded data
204 222
205 attachable () 223 attachable ()
206 : flags (0), refcnt (0), self (0), cb (0), attach (0) 224 : flags (0), self (0), cb (0), attach (0)
207 { 225 {
208 } 226 }
209 227
210 attachable (const attachable &src) 228 attachable (const attachable &src)
211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 229 : flags (0), self (0), cb (0), attach (src.attach)
212 { 230 {
213 } 231 }
214 232
215 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 }
216 245
217 attachable &operator =(const attachable &src); 246 attachable &operator =(const attachable &src);
218 247
219 // used to _quickly_ device wether to shortcut the evaluation 248 // used to _quickly_ device wether to shortcut the evaluation
220 bool should_invoke (event_type event) 249 bool should_invoke (event_type event)
… …
231 // do the real refcount checking work 260 // do the real refcount checking work
232 void do_check (); 261 void do_check ();
233 262
234 // the method that does the real destroy work 263 // the method that does the real destroy work
235 virtual void do_destroy (); 264 virtual void do_destroy ();
265
266 // destructor is protected, should not be called by anybody
267 virtual ~attachable ();
236}; 268};
237 269
238// 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
239struct global : attachable 271struct global : attachable
240{ 272{
… …
243 275
244extern struct global gbl_ev; 276extern struct global gbl_ev;
245 277
246////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 278//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
247 279
280INTERFACE_CLASS(object_freezer)
248struct object_freezer : dynbuf_text 281struct object_freezer : dynbuf_text
249{ 282{
250 AV *av; 283 AV *av;
251 284
252 object_freezer (); 285 object_freezer ();
… …
356 void put (keyword k, const refptr<T> &v) 389 void put (keyword k, const refptr<T> &v)
357 { 390 {
358 put (k, (T *)v); 391 put (k, (T *)v);
359 } 392 }
360 393
361 bool save (const char *path); 394 MTH bool save (const_octet_string path);
362 char *as_string (); // like strdup 395 char *as_string (); // like strdup
363 396
364 operator bool () { return !!av; } 397 operator bool () { return !!av; }
365}; 398};
366 399
400INTERFACE_CLASS(object_thawer)
367struct object_thawer 401struct object_thawer
368{ 402{
369 char *line; // current beginning of line 403 char *line; // current beginning of line
370 SV *text; // text part 404 SV *text; // text part
371 AV *av; // perl part 405 AV *av; // perl part
372 int linenum; 406 int linenum;
373 keyword kw; 407 keyword kw;
374 char *kw_str; // the keyword parsed, as string 408 char *kw_str; // the keyword parsed, as string
375 char *value; // the value, or 0 if no value 409 char *value; // the value, or 0 if no value
376 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
377 const char *name; 411 const char *name;
378 412
379 operator bool () { return !!text; } 413 operator bool () const { return !!text; }
380 414
381 object_thawer (const char *path = 0); 415 object_thawer (const char *path = 0);
382 object_thawer (const char *data, AV *perlav); 416 object_thawer (const char *data, AV *perlav);
383 ~object_thawer (); 417 ~object_thawer ();
384 418
385 void get (attachable *obj, int oid); 419 void get (attachable *obj, int oid);
386 420
387 // parse next line 421 // parse next line
388 void next (); 422 MTH void next ();
389 // skip the current key-value (usually fetch next line, for 423 // skip the current key-value (usually fetch next line, for
390 // multiline-fields, skips till the corresponding end-kw 424 // multiline-fields, skips till the corresponding end-kw
391 void skip (); 425 MTH void skip ();
426 MTH void skip_block (); // skips till and over KW_end
392 427
393 char *get_str () { return value; } // may be 0 428 char *get_str () { return value; } // may be 0
394 void get_ml (keyword kend, shstr &sh); 429 void get_ml (keyword kend, shstr &sh);
395 430
396 void get_ornull (shstr &sh) const { sh = value; } 431 void get_ornull (shstr &sh) const { sh = value; }
… …
412 void get (sint32 &i) { i = get_sint32 (); } 447 void get (sint32 &i) { i = get_sint32 (); }
413 448
414 void get (uint32 &i) { i = get_sint64 (); } 449 void get (uint32 &i) { i = get_sint64 (); }
415 void get (sint64 &i) { i = get_sint64 (); } 450 void get (sint64 &i) { i = get_sint64 (); }
416 451
452 MTH void parse_warn (const char *msg);
417 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);
418}; 464};
419 465
420//TODO: remove 466//TODO: remove
421char *fgets (char *s, int n, object_thawer &thawer); 467char *fgets (char *s, int n, object_thawer &thawer);
422 468
423////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 469//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
424 470
425struct coroapi { 471struct coroapi {
426 static struct CoroAPI *GCoroAPI; 472 static struct CoroAPI *GCoroAPI;
427 473
474 static EV_ATOMIC_T cede_pending;
475
428 static int nready () { return CORO_NREADY; } 476 static int nready () { return CORO_NREADY; }
429 static int cede () { return CORO_CEDE ; } 477 static int cede () { cede_pending = 0; return CORO_CEDE ; }
430 478
431 static tstamp next_cede;
432 static int cede_counter;
433
434 static void do_cede_every ();
435 static void do_cede_to_tick (); 479 static void do_cede_to_tick ();
436 static void do_cede_to_tick_every ();
437 480
438 static void cede_every (int count) 481 // 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 () 482 static bool cede_to_tick ()
445 { 483 {
446 if (expect_true (now () < next_cede)) 484 if (expect_true (!cede_pending))
447 return false; 485 return false;
448 486
449 do_cede_to_tick (); 487 do_cede_to_tick ();
450 return true; 488 return true;
451 } 489 }
452 490
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 (); 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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