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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.81 by root, Sun Jul 1 05:00:18 2007 UTC vs.
Revision 1.95 by root, Fri Apr 11 13:59:06 2008 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 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 8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) 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, 13 * This program is distributed in the hope that it will be useful,
… …
16 * GNU General Public License 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 18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * 20 *
21 * 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>
22 */ 22 */
23 23
24// 24//
25// cfperl.h perl interface 25// cfperl.h perl interface
26// 26//
… …
35 35
36#include <EXTERN.h> 36#include <EXTERN.h>
37#include <perl.h> 37#include <perl.h>
38#include <XSUB.h> 38#include <XSUB.h>
39 39
40#include <EventAPI.h> 40#include <EVAPI.h>
41#include <CoroAPI.h> 41#include <CoroAPI.h>
42 42
43#include "util.h" 43#include "util.h"
44#include "keyword.h" 44#include "keyword.h"
45#include "dynbuf.h" 45#include "dynbuf.h"
… …
55#undef readdir 55#undef readdir
56#undef getprotobyname 56#undef getprotobyname
57#undef gethostbyname 57#undef gethostbyname
58#undef ctime 58#undef ctime
59#undef strerror 59#undef strerror
60#undef _
60 61
61// same here, massive symbol spamming 62// same here, massive symbol spamming
62#undef do_open 63#undef do_open
63#undef do_close 64#undef do_close
64#undef ref 65#undef ref
… …
69#undef random 70#undef random
70#undef crypt 71#undef crypt
71 72
72////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
73 74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
74// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
75 81
76#define CHECK_ERROR \ 82#define CHECK_ERROR \
77 if (SvTRUE (ERRSV)) \ 83 if (SvTRUE (ERRSV)) \
78 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 84 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
79 85
80#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)
81#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
82#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 88#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
83#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;
… …
85 91
86////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
87 93
88void cfperl_init (); 94void cfperl_init ();
89void cfperl_main (); 95void cfperl_main ();
96void cfperl_tick ();
90void cfperl_emergency_save (); 97void cfperl_emergency_save ();
91void cfperl_cleanup (int make_core); 98void cfperl_cleanup (int make_core);
92void cfperl_make_book (object *book, int level); 99void cfperl_make_book (object *book, int level);
93void 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);
94 102
95////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 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# define newSVval64 newSVnv
115# define SvVAL64 SvNV
116# define newSVuval64 newSVnv
117# define SvUVAL64 SvNV
118#endif
96 119
97extern tstamp runtime; // virtual server time, excluding time jumps and lag 120extern tstamp runtime; // virtual server time, excluding time jumps and lag
98extern tstamp NOW; // real time of current server tick 121extern tstamp NOW; // real time of current server tick
99 122
100enum event_klass 123enum event_klass
… …
153int cfperl_result_INT (int idx); 176int cfperl_result_INT (int idx);
154 177
155////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 178//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
156 179
157INTERFACE_CLASS (attachable) 180INTERFACE_CLASS (attachable)
158struct attachable 181struct attachable : refcnt_base
159{ 182{
160 static MGVTBL vtbl; 183 static MGVTBL vtbl;
161 184
162 static unordered_vector<attachable *> mortals; 185 static unordered_vector<attachable *> mortals;
163 MTH static void check_mortals (); 186 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 int ACC (RW, flags);
169 193
170 // object is delete'd after the refcount reaches 0 194 // 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; 195 MTH int refcnt_cnt () const;
178 // check wether the object has died and destroy 196 // check wether the object has died and destroy
179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 197 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
180 198
181 // destroy the object unless it was already destroyed 199 // destroy the object unless it was already destroyed
… …
200 218
201 void sever_self (); // sever this object from its self, if it has one. 219 void sever_self (); // sever this object from its self, if it has one.
202 void optimise (); // possibly save some memory by destroying unneeded data 220 void optimise (); // possibly save some memory by destroying unneeded data
203 221
204 attachable () 222 attachable ()
205 : flags (0), refcnt (0), self (0), cb (0), attach (0) 223 : flags (0), self (0), cb (0), attach (0)
206 { 224 {
207 } 225 }
208 226
209 attachable (const attachable &src) 227 attachable (const attachable &src)
210 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 228 : flags (0), self (0), cb (0), attach (src.attach)
211 { 229 {
212 } 230 }
213 231
214 virtual ~attachable (); 232 // set a custom key to the given value, or delete it if value = 0
233 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
234
235 void set_key_text (const char *key, const char *value = 0)
236 {
237 set_key (key, value, 1);
238 }
239
240 void set_key_data (const char *key, const char *value = 0)
241 {
242 set_key (key, value, 0);
243 }
215 244
216 attachable &operator =(const attachable &src); 245 attachable &operator =(const attachable &src);
217 246
218 // used to _quickly_ device wether to shortcut the evaluation 247 // used to _quickly_ device wether to shortcut the evaluation
219 bool should_invoke (event_type event) 248 bool should_invoke (event_type event)
… …
230 // do the real refcount checking work 259 // do the real refcount checking work
231 void do_check (); 260 void do_check ();
232 261
233 // the method that does the real destroy work 262 // the method that does the real destroy work
234 virtual void do_destroy (); 263 virtual void do_destroy ();
264
265 // destructor is protected, should not be called by anybody
266 virtual ~attachable ();
235}; 267};
236 268
237// the global object is a pseudo object that cares for the global events 269// the global object is a pseudo object that cares for the global events
238struct global : attachable 270struct global : attachable
239{ 271{
… …
242 274
243extern struct global gbl_ev; 275extern struct global gbl_ev;
244 276
245////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 277//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
246 278
279INTERFACE_CLASS(object_freezer)
247struct object_freezer : dynbuf_text 280struct object_freezer : dynbuf_text
248{ 281{
249 AV *av; 282 AV *av;
250 283
251 object_freezer (); 284 object_freezer ();
… …
355 void put (keyword k, const refptr<T> &v) 388 void put (keyword k, const refptr<T> &v)
356 { 389 {
357 put (k, (T *)v); 390 put (k, (T *)v);
358 } 391 }
359 392
360 bool save (const char *path); 393 MTH bool save (const_octet_string path);
361 char *as_string (); // like strdup 394 char *as_string (); // like strdup
362 395
363 operator bool () { return !!av; } 396 operator bool () { return !!av; }
364}; 397};
365 398
399INTERFACE_CLASS(object_thawer)
366struct object_thawer 400struct object_thawer
367{ 401{
368 char *line; // current beginning of line 402 char *line; // current beginning of line
369 SV *text; // text part 403 SV *text; // text part
370 AV *av; // perl part 404 AV *av; // perl part
371 int linenum; 405 int linenum;
372 keyword kw; 406 keyword kw;
373 char *kw_str; // the keyword parsed, as string 407 char *kw_str; // the keyword parsed, as string
374 char *value; // the value, or 0 if no value 408 char *value; // the value, or 0 if no value
375 char *value_nn; // the value, or the empty string if no value 409 const char *value_nn; // the value, or the empty string if no value
376 const char *name; 410 const char *name;
377 411
378 operator bool () { return !!text; } 412 operator bool () const { return !!text; }
379 413
380 object_thawer (const char *path = 0); 414 object_thawer (const char *path = 0);
381 object_thawer (const char *data, AV *perlav); 415 object_thawer (const char *data, AV *perlav);
382 ~object_thawer (); 416 ~object_thawer ();
383 417
384 void get (attachable *obj, int oid); 418 void get (attachable *obj, int oid);
385 419
386 // parse next line 420 // parse next line
387 void next (); 421 MTH void next ();
388 // skip the current key-value (usually fetch next line, for 422 // skip the current key-value (usually fetch next line, for
389 // multiline-fields, skips till the corresponding end-kw 423 // multiline-fields, skips till the corresponding end-kw
390 void skip (); 424 MTH void skip ();
425 MTH void skip_block (); // skips till and over KW_end
391 426
392 char *get_str () { return value; } // may be 0 427 char *get_str () { return value; } // may be 0
393 void get_ml (keyword kend, shstr &sh); 428 void get_ml (keyword kend, shstr &sh);
394 429
395 void get_ornull (shstr &sh) const { sh = value; } 430 void get_ornull (shstr &sh) const { sh = value; }
… …
411 void get (sint32 &i) { i = get_sint32 (); } 446 void get (sint32 &i) { i = get_sint32 (); }
412 447
413 void get (uint32 &i) { i = get_sint64 (); } 448 void get (uint32 &i) { i = get_sint64 (); }
414 void get (sint64 &i) { i = get_sint64 (); } 449 void get (sint64 &i) { i = get_sint64 (); }
415 450
451 MTH void parse_warn (const char *msg);
416 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 452 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
453
454 struct delayed_ref {
455 attachable *op;
456 object_ptr *ptr;
457 const char *ref;
458 };
459 std::vector<delayed_ref> delrefs;
460
461 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
462 MTH void resolve_delayed_derefs (bool deref = true);
417}; 463};
418 464
419//TODO: remove 465//TODO: remove
420char *fgets (char *s, int n, object_thawer &thawer); 466char *fgets (char *s, int n, object_thawer &thawer);
421 467
422////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 468//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
423 469
424struct coroapi { 470struct coroapi {
425 static struct CoroAPI *GCoroAPI; 471 static struct CoroAPI *GCoroAPI;
426 472
473 static EV_ATOMIC_T cede_pending;
474
427 static int nready () { return CORO_NREADY; } 475 static int nready () { return CORO_NREADY; }
428 static int cede () { return CORO_CEDE ; } 476 static int cede () { cede_pending = 0; return CORO_CEDE ; }
429 477
430 static tstamp next_cede;
431 static int cede_counter;
432
433 static void do_cede_every ();
434 static void do_cede_to_tick (); 478 static void do_cede_to_tick ();
435 static void do_cede_to_tick_every ();
436 479
437 static void cede_every (int count) 480 // actually cede's far more often
438 {
439 if (expect_false (++cede_counter >= count))
440 do_cede_every ();
441 }
442
443 static bool cede_to_tick () 481 static bool cede_to_tick ()
444 { 482 {
445 if (expect_true (now () < next_cede)) 483 if (expect_true (!cede_pending))
446 return false; 484 return false;
447 485
448 do_cede_to_tick (); 486 do_cede_to_tick ();
449 return true; 487 return true;
450 } 488 }
451 489
452 static bool cede_to_tick_every (int count)
453 {
454 if (expect_true (++cede_counter < count))
455 return false;
456
457 return cede_to_tick ();
458 }
459
460 static void wait_for_tick (); 490 static void wait_for_tick ();
461 static void wait_for_tick_begin (); 491 static void wait_for_tick_begin ();
462}; 492};
463 493
464struct watcher_base 494struct evapi
465{ 495{
466 static struct EventAPI *GEventAPI; 496 static struct EVAPI *GEVAPI;
467}; 497};
468 498
469template<class base>
470struct watcher : watcher_base
471{
472 base *pe;
473
474 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
475 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
476 void now () { GEventAPI->now ((pe_watcher *)pe); }
477 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
478 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
479
480 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
481
482 ~watcher ()
483 {
484 cancel ();
485 }
486
487private:
488 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
489};
490
491struct iw : watcher<pe_idle>, callback<void (iw &)>
492{
493 template<class O, class M>
494 iw (O object, M method)
495 : callback<void (iw &)> (object, method)
496 {
497 alloc ();
498 }
499
500private:
501 void alloc ();
502};
503
504struct iow : watcher<pe_io>, callback<void (iow &, int)> 499struct iow : ev_io, evapi, callback<void (iow &, int)>
505{ 500{
501 static void thunk (EV_P_ struct ev_io *w_, int revents)
502 {
503 iow &w = *static_cast<iow *>(w_);
504
505 w (w, revents);
506 }
507
506 template<class O, class M> 508 template<class O, class M>
507 iow (O object, M method) 509 iow (O object, M method)
508 : callback<void (iow &, int)> (object, method) 510 : callback<void (iow &, int)> (object, method)
509 { 511 {
510 alloc (); 512 ev_init ((ev_io *)this, thunk);
511 } 513 }
512 514
513 void fd (int fd); 515 void prio (int prio)
514 int poll (); 516 {
517 ev_set_priority ((ev_io *)this, prio);
518 }
519
520 void set (int fd, int events)
521 {
522 ev_io_set ((ev_io *)this, fd, events);
523 }
524
525 int poll () const { return events; }
526
515 void poll (int events); 527 void poll (int events);
516 528
517private: 529 void start ()
518 void alloc (); 530 {
531 ev_io_start (EV_DEFAULT, (ev_io *)this);
532 }
533
534 void stop ()
535 {
536 ev_io_stop (EV_DEFAULT, (ev_io *)this);
537 }
538
539 ~iow ()
540 {
541 stop ();
542 }
543};
544
545struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
546{
547 static void thunk (EV_P_ struct ev_async *w_, int revents)
548 {
549 asyncw &w = *static_cast<asyncw *>(w_);
550
551 w (w, revents);
552 }
553
554 template<class O, class M>
555 asyncw (O object, M method)
556 : callback<void (asyncw &, int)> (object, method)
557 {
558 ev_init ((ev_async *)this, thunk);
559 }
560
561 void start ()
562 {
563 ev_async_start (EV_DEFAULT, (ev_async *)this);
564 }
565
566 void stop ()
567 {
568 ev_async_stop (EV_DEFAULT, (ev_async *)this);
569 }
570
571 ~asyncw ()
572 {
573 stop ();
574 }
519}; 575};
520 576
521#endif 577#endif
522 578

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