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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 1.96 by root, Wed Apr 16 21:14:13 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 typedef double uval64;
115# define newSVval64 newSVnv
116# define SvVAL64 SvNV
117# define newSVuval64 newSVnv
118# define SvUVAL64 SvNV
119#endif
96 120
97extern tstamp runtime; // virtual server time, excluding time jumps and lag 121extern tstamp runtime; // virtual server time, excluding time jumps and lag
98extern tstamp NOW; // real time of current server tick 122extern tstamp NOW; // real time of current server tick
99 123
100enum event_klass 124enum event_klass
… …
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 (expect_false (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
… …
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 ();
… …
355 void put (keyword k, const refptr<T> &v) 389 void put (keyword k, const refptr<T> &v)
356 { 390 {
357 put (k, (T *)v); 391 put (k, (T *)v);
358 } 392 }
359 393
360 bool save (const char *path); 394 MTH bool save (const_octet_string path);
361 char *as_string (); // like strdup 395 char *as_string (); // like strdup
362 396
363 operator bool () { return !!av; } 397 operator bool () { return !!av; }
364}; 398};
365 399
400INTERFACE_CLASS(object_thawer)
366struct object_thawer 401struct object_thawer
367{ 402{
368 char *line; // current beginning of line 403 char *line; // current beginning of line
369 SV *text; // text part 404 SV *text; // text part
370 AV *av; // perl part 405 AV *av; // perl part
371 int linenum; 406 int linenum;
372 keyword kw; 407 keyword kw;
373 char *kw_str; // the keyword parsed, as string 408 char *kw_str; // the keyword parsed, as string
374 char *value; // the value, or 0 if no value 409 char *value; // the value, or 0 if no value
375 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
376 const char *name; 411 const char *name;
377 412
378 operator bool () { return !!text; } 413 operator bool () const { return !!text; }
379 414
380 object_thawer (const char *path = 0); 415 object_thawer (const char *path = 0);
381 object_thawer (const char *data, AV *perlav); 416 object_thawer (const char *data, AV *perlav);
382 ~object_thawer (); 417 ~object_thawer ();
383 418
384 void get (attachable *obj, int oid); 419 void get (attachable *obj, int oid);
385 420
386 // parse next line 421 // parse next line
387 void next (); 422 MTH void next ();
388 // skip the current key-value (usually fetch next line, for 423 // skip the current key-value (usually fetch next line, for
389 // multiline-fields, skips till the corresponding end-kw 424 // multiline-fields, skips till the corresponding end-kw
390 void skip (); 425 MTH void skip ();
426 MTH void skip_block (); // skips till and over KW_end
391 427
392 char *get_str () { return value; } // may be 0 428 char *get_str () { return value; } // may be 0
393 void get_ml (keyword kend, shstr &sh); 429 void get_ml (keyword kend, shstr &sh);
394 430
395 void get_ornull (shstr &sh) const { sh = value; } 431 void get_ornull (shstr &sh) const { sh = value; }
… …
411 void get (sint32 &i) { i = get_sint32 (); } 447 void get (sint32 &i) { i = get_sint32 (); }
412 448
413 void get (uint32 &i) { i = get_sint64 (); } 449 void get (uint32 &i) { i = get_sint64 (); }
414 void get (sint64 &i) { i = get_sint64 (); } 450 void get (sint64 &i) { i = get_sint64 (); }
415 451
452 MTH void parse_warn (const char *msg);
416 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);
417}; 464};
418 465
419//TODO: remove 466//TODO: remove
420char *fgets (char *s, int n, object_thawer &thawer); 467char *fgets (char *s, int n, object_thawer &thawer);
421 468
422////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 469//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
423 470
424struct coroapi { 471struct coroapi {
425 static struct CoroAPI *GCoroAPI; 472 static struct CoroAPI *GCoroAPI;
426 473
474 static EV_ATOMIC_T cede_pending;
475
427 static int nready () { return CORO_NREADY; } 476 static int nready () { return CORO_NREADY; }
428 static int cede () { return CORO_CEDE ; } 477 static int cede () { cede_pending = 0; return CORO_CEDE ; }
429 478
430 static tstamp next_cede;
431 static int cede_counter;
432
433 static void do_cede_every ();
434 static void do_cede_to_tick (); 479 static void do_cede_to_tick ();
435 static void do_cede_to_tick_every ();
436 480
437 static void cede_every (int count) 481 // 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 () 482 static bool cede_to_tick ()
444 { 483 {
445 if (expect_true (now () < next_cede)) 484 if (expect_true (!cede_pending))
446 return false; 485 return false;
447 486
448 do_cede_to_tick (); 487 do_cede_to_tick ();
449 return true; 488 return true;
450 } 489 }
451 490
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 (); 491 static void wait_for_tick ();
461 static void wait_for_tick_begin (); 492 static void wait_for_tick_begin ();
462}; 493};
463 494
464struct watcher_base 495struct evapi
465{ 496{
466 static struct EventAPI *GEventAPI; 497 static struct EVAPI *GEVAPI;
467}; 498};
468 499
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)> 500struct iow : ev_io, evapi, callback<void (iow &, int)>
505{ 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
506 template<class O, class M> 509 template<class O, class M>
507 iow (O object, M method) 510 iow (O object, M method)
508 : callback<void (iow &, int)> (object, method) 511 : callback<void (iow &, int)> (object, method)
509 { 512 {
510 alloc (); 513 ev_init ((ev_io *)this, thunk);
511 } 514 }
512 515
513 void fd (int fd); 516 void prio (int prio)
514 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
515 void poll (int events); 528 void poll (int events);
516 529
517private: 530 void start ()
518 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 }
519}; 576};
520 577
521#endif 578#endif
522 579

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