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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 1.94 by root, Wed Apr 2 11:13:54 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\n", __func__, SvPVutf8_nolen (ERRSV));
… …
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);
94int cfperl_can_merge (object *ob1, object *ob2); 101int cfperl_can_merge (object *ob1, object *ob2);
… …
154int cfperl_result_INT (int idx); 161int cfperl_result_INT (int idx);
155 162
156////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 163//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
157 164
158INTERFACE_CLASS (attachable) 165INTERFACE_CLASS (attachable)
159struct attachable 166struct attachable : refcnt_base
160{ 167{
161 static MGVTBL vtbl; 168 static MGVTBL vtbl;
162 169
163 static unordered_vector<attachable *> mortals; 170 static unordered_vector<attachable *> mortals;
164 MTH static void check_mortals (); 171 MTH static void check_mortals ();
165 172
166 enum { 173 enum {
167 F_DESTROYED = 0x01, 174 F_DESTROYED = 0x01,
168 F_DEBUG_TRACE = 0x02, 175 F_DEBUG_TRACE = 0x02,
169 }; 176 };
177 int ACC (RW, flags);
170 178
171 // object is delete'd after the refcount reaches 0 179 // 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; 180 MTH int refcnt_cnt () const;
179 // check wether the object has died and destroy 181 // check wether the object has died and destroy
180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 182 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
181 183
182 // destroy the object unless it was already destroyed 184 // destroy the object unless it was already destroyed
… …
201 203
202 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.
203 void optimise (); // possibly save some memory by destroying unneeded data 205 void optimise (); // possibly save some memory by destroying unneeded data
204 206
205 attachable () 207 attachable ()
206 : flags (0), refcnt (0), self (0), cb (0), attach (0) 208 : flags (0), self (0), cb (0), attach (0)
207 { 209 {
208 } 210 }
209 211
210 attachable (const attachable &src) 212 attachable (const attachable &src)
211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 213 : flags (0), self (0), cb (0), attach (src.attach)
212 { 214 {
213 } 215 }
214 216
215 // set a custom key to the given value, or delete it if value = 0 217 // 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
216 void set_key (const char *key, const char *value = 0); 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 }
217 229
218 attachable &operator =(const attachable &src); 230 attachable &operator =(const attachable &src);
219 231
220 // used to _quickly_ device wether to shortcut the evaluation 232 // used to _quickly_ device wether to shortcut the evaluation
221 bool should_invoke (event_type event) 233 bool should_invoke (event_type event)
… …
247 259
248extern struct global gbl_ev; 260extern struct global gbl_ev;
249 261
250////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 262//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
251 263
264INTERFACE_CLASS(object_freezer)
252struct object_freezer : dynbuf_text 265struct object_freezer : dynbuf_text
253{ 266{
254 AV *av; 267 AV *av;
255 268
256 object_freezer (); 269 object_freezer ();
… …
360 void put (keyword k, const refptr<T> &v) 373 void put (keyword k, const refptr<T> &v)
361 { 374 {
362 put (k, (T *)v); 375 put (k, (T *)v);
363 } 376 }
364 377
365 bool save (const char *path); 378 MTH bool save (const_octet_string path);
366 char *as_string (); // like strdup 379 char *as_string (); // like strdup
367 380
368 operator bool () { return !!av; } 381 operator bool () { return !!av; }
369}; 382};
370 383
384INTERFACE_CLASS(object_thawer)
371struct object_thawer 385struct object_thawer
372{ 386{
373 char *line; // current beginning of line 387 char *line; // current beginning of line
374 SV *text; // text part 388 SV *text; // text part
375 AV *av; // perl part 389 AV *av; // perl part
376 int linenum; 390 int linenum;
377 keyword kw; 391 keyword kw;
378 char *kw_str; // the keyword parsed, as string 392 char *kw_str; // the keyword parsed, as string
379 char *value; // the value, or 0 if no value 393 char *value; // the value, or 0 if no value
380 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
381 const char *name; 395 const char *name;
382 396
383 operator bool () { return !!text; } 397 operator bool () const { return !!text; }
384 398
385 object_thawer (const char *path = 0); 399 object_thawer (const char *path = 0);
386 object_thawer (const char *data, AV *perlav); 400 object_thawer (const char *data, AV *perlav);
387 ~object_thawer (); 401 ~object_thawer ();
388 402
389 void get (attachable *obj, int oid); 403 void get (attachable *obj, int oid);
390 404
391 // parse next line 405 // parse next line
392 void next (); 406 MTH void next ();
393 // skip the current key-value (usually fetch next line, for 407 // skip the current key-value (usually fetch next line, for
394 // multiline-fields, skips till the corresponding end-kw 408 // multiline-fields, skips till the corresponding end-kw
395 void skip (); 409 MTH void skip ();
410 MTH void skip_block (); // skips till and over KW_end
396 411
397 char *get_str () { return value; } // may be 0 412 char *get_str () { return value; } // may be 0
398 void get_ml (keyword kend, shstr &sh); 413 void get_ml (keyword kend, shstr &sh);
399 414
400 void get_ornull (shstr &sh) const { sh = value; } 415 void get_ornull (shstr &sh) const { sh = value; }
… …
416 void get (sint32 &i) { i = get_sint32 (); } 431 void get (sint32 &i) { i = get_sint32 (); }
417 432
418 void get (uint32 &i) { i = get_sint64 (); } 433 void get (uint32 &i) { i = get_sint64 (); }
419 void get (sint64 &i) { i = get_sint64 (); } 434 void get (sint64 &i) { i = get_sint64 (); }
420 435
436 MTH void parse_warn (const char *msg);
421 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);
422}; 448};
423 449
424//TODO: remove 450//TODO: remove
425char *fgets (char *s, int n, object_thawer &thawer); 451char *fgets (char *s, int n, object_thawer &thawer);
426 452
427////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 453//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
428 454
429struct coroapi { 455struct coroapi {
430 static struct CoroAPI *GCoroAPI; 456 static struct CoroAPI *GCoroAPI;
431 457
458 static EV_ATOMIC_T cede_pending;
459
432 static int nready () { return CORO_NREADY; } 460 static int nready () { return CORO_NREADY; }
433 static int cede () { return CORO_CEDE ; } 461 static int cede () { cede_pending = 0; return CORO_CEDE ; }
434 462
435 static tstamp next_cede;
436 static int cede_counter;
437
438 static void do_cede_every ();
439 static void do_cede_to_tick (); 463 static void do_cede_to_tick ();
440 static void do_cede_to_tick_every ();
441 464
442 static void cede_every (int count) 465 // 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 () 466 static bool cede_to_tick ()
449 { 467 {
450 if (expect_true (now () < next_cede)) 468 if (expect_true (!cede_pending))
451 return false; 469 return false;
452 470
453 do_cede_to_tick (); 471 do_cede_to_tick ();
454 return true; 472 return true;
455 } 473 }
456 474
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 (); 475 static void wait_for_tick ();
466 static void wait_for_tick_begin (); 476 static void wait_for_tick_begin ();
467}; 477};
468 478
469struct watcher_base 479struct evapi
470{ 480{
471 static struct EventAPI *GEventAPI; 481 static struct EVAPI *GEVAPI;
472}; 482};
473 483
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)> 484struct iow : ev_io, evapi, callback<void (iow &, int)>
510{ 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
511 template<class O, class M> 493 template<class O, class M>
512 iow (O object, M method) 494 iow (O object, M method)
513 : callback<void (iow &, int)> (object, method) 495 : callback<void (iow &, int)> (object, method)
514 { 496 {
515 alloc (); 497 ev_init ((ev_io *)this, thunk);
516 } 498 }
517 499
518 void fd (int fd); 500 void prio (int prio)
519 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
520 void poll (int events); 512 void poll (int events);
521 513
522private: 514 void start ()
523 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 }
524}; 560};
525 561
526#endif 562#endif
527 563

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