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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.84 by root, Sat Jul 21 18:01:26 2007 UTC vs.
Revision 1.107 by root, Mon Oct 12 04:02:17 2009 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"
… …
50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
51#undef localtime 51#undef localtime
52#undef srand48 52#undef srand48
53#undef drand48 53#undef drand48
54#undef srandom 54#undef srandom
55#undef opendir
55#undef readdir 56#undef readdir
57#undef closedir
56#undef getprotobyname 58#undef getprotobyname
57#undef gethostbyname 59#undef gethostbyname
58#undef ctime 60#undef ctime
59#undef strerror 61#undef strerror
62#undef _
60 63
61// same here, massive symbol spamming 64// same here, massive symbol spamming
62#undef do_open 65#undef do_open
63#undef do_close 66#undef do_close
64#undef ref 67#undef ref
… …
69#undef random 72#undef random
70#undef crypt 73#undef crypt
71 74
72////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
73 76
77#define _(msg) (msg)
78#define N_(msg) (msg)
79
80//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
81
74// some macros to simplify perl in-calls 82// some macros to simplify perl in-calls
75 83
76#define CHECK_ERROR \ 84#define CHECK_ERROR \
77 if (SvTRUE (ERRSV)) \ 85 if (SvTRUE (ERRSV)) \
78 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 86 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
87
88inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
89inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
79 90
80#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 91#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 92#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))) 93#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; 94#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
84#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 95#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
85 96
86////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 97//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
87 98
88void cfperl_init (); 99void cfperl_init ();
89void cfperl_main (); 100void cfperl_main ();
101void cfperl_tick ();
90void cfperl_emergency_save (); 102void cfperl_emergency_save ();
91void cfperl_cleanup (int make_core); 103void cfperl_cleanup (int make_core);
92void cfperl_make_book (object *book, int level); 104void cfperl_make_book (object *book, int level);
93void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); 105void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
94int cfperl_can_merge (object *ob1, object *ob2); 106int cfperl_can_merge (object *ob1, object *ob2);
107void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
95 108
109bool is_match_expr (const char *expr);
110/* applies the match expression and returns true if it matches */
111bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
112
96////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 113//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
114
115#if IVSIZE >= 8
116 typedef IV val64;
117 typedef IV uval64;
118# define newSVval64 newSViv
119# define SvVAL64 SvIV
120# define newSVuval64 newSVuv
121# define SvUVAL64 SvUV
122#else
123 typedef double val64;
124 typedef double uval64;
125# define newSVval64 newSVnv
126# define SvVAL64 SvNV
127# define newSVuval64 newSVnv
128# define SvUVAL64 SvNV
129#endif
97 130
98extern tstamp runtime; // virtual server time, excluding time jumps and lag 131extern tstamp runtime; // virtual server time, excluding time jumps and lag
99extern tstamp NOW; // real time of current server tick 132extern tstamp NOW; // real time of current server tick
100 133
101enum event_klass 134enum event_klass
… …
154int cfperl_result_INT (int idx); 187int cfperl_result_INT (int idx);
155 188
156////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 189//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
157 190
158INTERFACE_CLASS (attachable) 191INTERFACE_CLASS (attachable)
159struct attachable 192struct attachable : refcnt_base
160{ 193{
161 static MGVTBL vtbl; 194 static MGVTBL vtbl;
162
163 static unordered_vector<attachable *> mortals;
164 MTH static void check_mortals ();
165 195
166 enum { 196 enum {
167 F_DESTROYED = 0x01, 197 F_DESTROYED = 0x01,
168 F_DEBUG_TRACE = 0x02, 198 F_DEBUG_TRACE = 0x02,
169 }; 199 };
200 uint8 ACC (RW, flags);
201
202 static unordered_vector<attachable *> mortals;
203 MTH static void check_mortals ();
170 204
171 // object is delete'd after the refcount reaches 0 205 // 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; 206 MTH int refcnt_cnt () const;
179 // check wether the object has died and destroy 207 // check wether the object has died and destroy
180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 208 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
181 209
182 // destroy the object unless it was already destroyed 210 // destroy the object unless it was already destroyed
… …
201 229
202 void sever_self (); // sever this object from its self, if it has one. 230 void sever_self (); // sever this object from its self, if it has one.
203 void optimise (); // possibly save some memory by destroying unneeded data 231 void optimise (); // possibly save some memory by destroying unneeded data
204 232
205 attachable () 233 attachable ()
206 : flags (0), refcnt (0), self (0), cb (0), attach (0) 234 : flags (0), self (0), cb (0), attach (0)
207 { 235 {
208 } 236 }
209 237
210 attachable (const attachable &src) 238 attachable (const attachable &src)
211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 239 : flags (0), self (0), cb (0), attach (src.attach)
212 { 240 {
213 } 241 }
214 242
215 // set a custom key to the given value, or delete it if value = 0 243 // set a custom key to the given value, or delete it if value = 0
244 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
245
216 void set_key (const char *key, const char *value = 0); 246 void set_key_text (const char *key, const char *value = 0)
247 {
248 set_key (key, value, 1);
249 }
250
251 void set_key_data (const char *key, const char *value = 0)
252 {
253 set_key (key, value, 0);
254 }
217 255
218 attachable &operator =(const attachable &src); 256 attachable &operator =(const attachable &src);
219 257
220 // used to _quickly_ device wether to shortcut the evaluation 258 // used to _quickly_ device wether to shortcut the evaluation
221 bool should_invoke (event_type event) 259 bool should_invoke (event_type event)
… …
247 285
248extern struct global gbl_ev; 286extern struct global gbl_ev;
249 287
250////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 288//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
251 289
290INTERFACE_CLASS(object_freezer)
252struct object_freezer : dynbuf_text 291struct object_freezer : dynbuf_text
253{ 292{
254 AV *av; 293 AV *av;
255 294
256 object_freezer (); 295 object_freezer ();
257 ~object_freezer (); 296 ~object_freezer ();
258 297
259 void put (attachable *ext); 298 void put (attachable *ext);
260 299
261 // used only for user-defined key-value pairs 300 // used only for user-defined key-value pairs
262 void put (const shstr &k, const shstr &v) 301 void put (shstr_tmp k, shstr_tmp v)
263 { 302 {
264 add (k); 303 add (k);
265 304
266 if (expect_true (v)) 305 if (expect_true (v))
267 add (' '), add (v); 306 add (' '), add (v);
… …
291 void put (keyword k, const char *v = 0) 330 void put (keyword k, const char *v = 0)
292 { 331 {
293 put_kw_string (k, v); 332 put_kw_string (k, v);
294 } 333 }
295 334
296 void put (keyword k, const shstr &v) 335 void put (keyword k, shstr_tmp v)
297 { 336 {
298 put_kw_string (k, v); 337 put_kw_string (k, v);
299 } 338 }
300 339
301 void put (keyword k, double v) 340 void put (keyword k, double v)
… …
335 void put (keyword k, signed long v) { put_(k, (sint64)v); } 374 void put (keyword k, signed long v) { put_(k, (sint64)v); }
336 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 375 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
337 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 376 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
338 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 377 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
339 378
340 void put (keyword kbeg, keyword kend, const shstr &v) 379 void put (keyword kbeg, keyword kend, shstr_tmp v)
341 { 380 {
342 force (MAX_KEYWORD_LEN + 1); 381 force (MAX_KEYWORD_LEN + 1);
343 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 382 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
344 383
345 if (expect_true (v)) 384 if (expect_true (v))
… …
360 void put (keyword k, const refptr<T> &v) 399 void put (keyword k, const refptr<T> &v)
361 { 400 {
362 put (k, (T *)v); 401 put (k, (T *)v);
363 } 402 }
364 403
365 bool save (const char *path); 404 MTH bool save (const_octet_string path);
366 char *as_string (); // like strdup 405 char *as_string (); // like strdup
367 406
368 operator bool () { return !!av; } 407 operator bool () { return !!av; }
369}; 408};
370 409
410INTERFACE_CLASS(object_thawer)
371struct object_thawer 411struct object_thawer
372{ 412{
373 char *line; // current beginning of line 413 char *line; // current beginning of line
374 SV *text; // text part 414 SV *text; // text part
375 AV *av; // perl part 415 AV *av; // perl part
376 int linenum; 416 int linenum;
377 keyword kw; 417 keyword kw;
378 char *kw_str; // the keyword parsed, as string 418 char *kw_str; // the keyword parsed, as string
379 char *value; // the value, or 0 if no value 419 char *value; // the value, or 0 if no value
380 char *value_nn; // the value, or the empty string if no value 420 const char *value_nn; // the value, or the empty string if no value
381 const char *name; 421 const char *name;
382 422
383 operator bool () { return !!text; } 423 operator bool () const { return !!text; }
384 424
385 object_thawer (const char *path = 0); 425 object_thawer (const char *path = 0);
386 object_thawer (const char *data, AV *perlav); 426 object_thawer (const char *data, AV *perlav);
387 ~object_thawer (); 427 ~object_thawer ();
388 428
389 void get (attachable *obj, int oid); 429 void get (attachable *obj, int oid);
390 430
391 // parse next line 431 // parse next line
392 void next (); 432 MTH void next ();
393 // skip the current key-value (usually fetch next line, for 433 // skip the current key-value (usually fetch next line, for
394 // multiline-fields, skips till the corresponding end-kw 434 // multiline-fields, skips till the corresponding end-kw
395 void skip (); 435 MTH void skip ();
436 MTH void skip_block (); // skips till and over KW_end
396 437
397 char *get_str () { return value; } // may be 0 438 char *get_str () { return value; } // may be 0
398 void get_ml (keyword kend, shstr &sh); 439 void get_ml (keyword kend, shstr &sh);
399 440
400 void get_ornull (shstr &sh) const { sh = value; } 441 void get_ornull (shstr &sh) const { sh = value; }
… …
416 void get (sint32 &i) { i = get_sint32 (); } 457 void get (sint32 &i) { i = get_sint32 (); }
417 458
418 void get (uint32 &i) { i = get_sint64 (); } 459 void get (uint32 &i) { i = get_sint64 (); }
419 void get (sint64 &i) { i = get_sint64 (); } 460 void get (sint64 &i) { i = get_sint64 (); }
420 461
462 MTH void parse_warn (const char *msg);
421 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 463 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
464
465 struct delayed_ref {
466 attachable *op;
467 object_ptr *ptr;
468 const char *ref;
469 };
470 std::vector<delayed_ref> delrefs;
471
472 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
473 MTH void resolve_delayed_derefs (bool deref = true);
422}; 474};
423 475
424//TODO: remove 476//TODO: remove
425char *fgets (char *s, int n, object_thawer &thawer); 477char *fgets (char *s, int n, object_thawer &thawer);
426 478
427////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 479//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
428 480
429struct coroapi { 481struct coroapi {
430 static struct CoroAPI *GCoroAPI; 482 static struct CoroAPI *GCoroAPI;
431 483
484 static EV_ATOMIC_T cede_pending;
485
432 static int nready () { return CORO_NREADY; } 486 static int nready () { return CORO_NREADY; }
433 static int cede () { return CORO_CEDE ; } 487 static int cede () { cede_pending = 0; return CORO_CEDE ; }
434 488
435 static tstamp next_cede;
436 static int cede_counter;
437
438 static void do_cede_every ();
439 static void do_cede_to_tick (); 489 static void do_cede_to_tick ();
440 static void do_cede_to_tick_every ();
441 490
442 static void cede_every (int count) 491 // actually cede's far more often
443 {
444 if (expect_false (++cede_counter >= count))
445 do_cede_every ();
446 }
447
448 static bool cede_to_tick () 492 static bool cede_to_tick ()
449 { 493 {
450 if (expect_true (now () < next_cede)) 494 if (expect_true (!cede_pending))
451 return false; 495 return false;
452 496
453 do_cede_to_tick (); 497 do_cede_to_tick ();
454 return true; 498 return true;
455 } 499 }
456 500
457 static bool cede_to_tick_every (int count)
458 {
459 if (expect_true (++cede_counter < count))
460 return false;
461
462 return cede_to_tick ();
463 }
464
465 static void wait_for_tick (); 501 static void wait_for_tick ();
466 static void wait_for_tick_begin (); 502 static void wait_for_tick_begin ();
467}; 503};
468 504
469struct watcher_base 505struct evapi
470{ 506{
471 static struct EventAPI *GEventAPI; 507 static struct EVAPI *GEVAPI;
472}; 508};
473 509
474template<class base>
475struct watcher : watcher_base
476{
477 base *pe;
478
479 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
480 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
481 void now () { GEventAPI->now ((pe_watcher *)pe); }
482 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
483 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
484
485 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
486
487 ~watcher ()
488 {
489 cancel ();
490 }
491
492private:
493 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
494};
495
496struct iw : watcher<pe_idle>, callback<void (iw &)>
497{
498 template<class O, class M>
499 iw (O object, M method)
500 : callback<void (iw &)> (object, method)
501 {
502 alloc ();
503 }
504
505private:
506 void alloc ();
507};
508
509struct iow : watcher<pe_io>, callback<void (iow &, int)> 510struct iow : ev_io, evapi, callback<void (iow &, int)>
510{ 511{
512 static void thunk (EV_P_ struct ev_io *w_, int revents)
513 {
514 iow &w = *static_cast<iow *>(w_);
515
516 w (w, revents);
517 }
518
511 template<class O, class M> 519 template<class O, class M>
512 iow (O object, M method) 520 iow (O object, M method)
513 : callback<void (iow &, int)> (object, method) 521 : callback<void (iow &, int)> (object, method)
514 { 522 {
515 alloc (); 523 ev_init ((ev_io *)this, thunk);
516 } 524 }
517 525
518 void fd (int fd); 526 void prio (int prio)
519 int poll (); 527 {
528 ev_set_priority ((ev_io *)this, prio);
529 }
530
531 void set (int fd, int events)
532 {
533 ev_io_set ((ev_io *)this, fd, events);
534 }
535
536 int poll () const { return events; }
537
520 void poll (int events); 538 void poll (int events);
521 539
522private: 540 void start ()
523 void alloc (); 541 {
542 ev_io_start (EV_DEFAULT, (ev_io *)this);
543 }
544
545 void stop ()
546 {
547 ev_io_stop (EV_DEFAULT, (ev_io *)this);
548 }
549
550 ~iow ()
551 {
552 stop ();
553 }
554};
555
556struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
557{
558 static void thunk (EV_P_ struct ev_async *w_, int revents)
559 {
560 asyncw &w = *static_cast<asyncw *>(w_);
561
562 w (w, revents);
563 }
564
565 template<class O, class M>
566 asyncw (O object, M method)
567 : callback<void (asyncw &, int)> (object, method)
568 {
569 ev_init ((ev_async *)this, thunk);
570 }
571
572 void start ()
573 {
574 ev_async_start (EV_DEFAULT, (ev_async *)this);
575 }
576
577 void stop ()
578 {
579 ev_async_stop (EV_DEFAULT, (ev_async *)this);
580 }
581
582 ~asyncw ()
583 {
584 stop ();
585 }
524}; 586};
525 587
526#endif 588#endif
527 589

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