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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.73 by root, Mon May 28 05:35:51 2007 UTC vs.
Revision 1.100 by root, Sun Nov 16 03:52:12 2008 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
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
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
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/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */
23
1// 24//
2// cfperl.h perl interface 25// cfperl.h perl interface
3// 26//
4#ifndef CFPERL_H__ 27#ifndef CFPERL_H__
5#define CFPERL_H__ 28#define CFPERL_H__
… …
12 35
13#include <EXTERN.h> 36#include <EXTERN.h>
14#include <perl.h> 37#include <perl.h>
15#include <XSUB.h> 38#include <XSUB.h>
16 39
17#include <EventAPI.h> 40#include <EVAPI.h>
18#include <CoroAPI.h> 41#include <CoroAPI.h>
19 42
20#include "util.h" 43#include "util.h"
21#include "keyword.h" 44#include "keyword.h"
22#include "dynbuf.h" 45#include "dynbuf.h"
… …
27// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
28#undef localtime 51#undef localtime
29#undef srand48 52#undef srand48
30#undef drand48 53#undef drand48
31#undef srandom 54#undef srandom
55#undef opendir
32#undef readdir 56#undef readdir
57#undef closedir
33#undef getprotobyname 58#undef getprotobyname
34#undef gethostbyname 59#undef gethostbyname
35#undef ctime 60#undef ctime
36#undef strerror 61#undef strerror
62#undef _
37 63
38// same here, massive symbol spamming 64// same here, massive symbol spamming
39#undef do_open 65#undef do_open
40#undef do_close 66#undef do_close
41#undef ref 67#undef ref
… …
46#undef random 72#undef random
47#undef crypt 73#undef crypt
48 74
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50 76
77#define _(msg) (msg)
78#define N_(msg) (msg)
79
80//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
81
51// some macros to simplify perl in-calls 82// some macros to simplify perl in-calls
52 83
53#define CHECK_ERROR \ 84#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \ 85 if (SvTRUE (ERRSV)) \
55 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 86 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
56 87
57#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 88#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
58#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 89#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
59#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 90#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
60#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; 91#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
… …
62 93
63////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 94//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
64 95
65void cfperl_init (); 96void cfperl_init ();
66void cfperl_main (); 97void cfperl_main ();
98void cfperl_tick ();
67void cfperl_emergency_save (); 99void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 100void cfperl_cleanup (int make_core);
69void cfperl_make_book (object *book, int level); 101void cfperl_make_book (object *book, int level);
102void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
103int cfperl_can_merge (object *ob1, object *ob2);
70 104
71////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 105//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
72 106
107#if IVSIZE >= 8
108 typedef IV val64;
109 typedef IV uval64;
110# define newSVval64 newSViv
111# define SvVAL64 SvIV
112# define newSVuval64 newSVuv
113# define SvUVAL64 SvUV
114#else
115 typedef double val64;
116 typedef double uval64;
117# define newSVval64 newSVnv
118# define SvVAL64 SvNV
119# define newSVuval64 newSVnv
120# define SvUVAL64 SvNV
121#endif
122
73// virtual server time, excluding time jumps and lag 123extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 124extern tstamp NOW; // real time of current server tick
75 125
76enum event_klass 126enum event_klass
77{ 127{
78 KLASS_NONE, 128 KLASS_NONE,
79 KLASS_GLOBAL, 129 KLASS_GLOBAL,
… …
129int cfperl_result_INT (int idx); 179int cfperl_result_INT (int idx);
130 180
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 181//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 182
133INTERFACE_CLASS (attachable) 183INTERFACE_CLASS (attachable)
134struct attachable 184struct attachable : refcnt_base
135{ 185{
136 static MGVTBL vtbl; 186 static MGVTBL vtbl;
137
138 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals ();
140 187
141 enum { 188 enum {
142 F_DESTROYED = 0x01, 189 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 190 F_DEBUG_TRACE = 0x02,
144 }; 191 };
192 uint8 ACC (RW, flags);
193
194 static unordered_vector<attachable *> mortals;
195 MTH static void check_mortals ();
145 196
146 // object is delete'd after the refcount reaches 0 197 // object is delete'd after the refcount reaches 0
147 int ACC (RW, flags);
148 mutable int ACC (RW, refcnt);
149
150 MTH void refcnt_inc () const { ++refcnt; }
151 MTH void refcnt_dec () const { --refcnt; }
152
153 MTH int refcnt_cnt () const; 198 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 199 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 200 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 201
157 // destroy the object unless it was already destroyed 202 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 203 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 204 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 205 MTH void destroy ();
… …
176 221
177 void sever_self (); // sever this object from its self, if it has one. 222 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 223 void optimise (); // possibly save some memory by destroying unneeded data
179 224
180 attachable () 225 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 226 : flags (0), self (0), cb (0), attach (0)
182 { 227 {
183 } 228 }
184 229
185 attachable (const attachable &src) 230 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 231 : flags (0), self (0), cb (0), attach (src.attach)
187 { 232 {
188 } 233 }
189 234
190 virtual ~attachable (); 235 // set a custom key to the given value, or delete it if value = 0
236 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
237
238 void set_key_text (const char *key, const char *value = 0)
239 {
240 set_key (key, value, 1);
241 }
242
243 void set_key_data (const char *key, const char *value = 0)
244 {
245 set_key (key, value, 0);
246 }
191 247
192 attachable &operator =(const attachable &src); 248 attachable &operator =(const attachable &src);
193 249
194 // used to _quickly_ device wether to shortcut the evaluation 250 // used to _quickly_ device wether to shortcut the evaluation
195 bool should_invoke (event_type event) 251 bool should_invoke (event_type event)
… …
206 // do the real refcount checking work 262 // do the real refcount checking work
207 void do_check (); 263 void do_check ();
208 264
209 // the method that does the real destroy work 265 // the method that does the real destroy work
210 virtual void do_destroy (); 266 virtual void do_destroy ();
267
268 // destructor is protected, should not be called by anybody
269 virtual ~attachable ();
211}; 270};
212 271
213// the global object is a pseudo object that cares for the global events 272// the global object is a pseudo object that cares for the global events
214struct global : attachable 273struct global : attachable
215{ 274{
… …
218 277
219extern struct global gbl_ev; 278extern struct global gbl_ev;
220 279
221////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 280//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222 281
282INTERFACE_CLASS(object_freezer)
223struct object_freezer : dynbuf_text 283struct object_freezer : dynbuf_text
224{ 284{
225 AV *av; 285 AV *av;
226 286
227 object_freezer (); 287 object_freezer ();
… …
239 299
240 add ('\n'); 300 add ('\n');
241 } 301 }
242 302
243 template<typename T> 303 template<typename T>
244 void put_string (keyword k, const T &v) 304 void put_kw_string (keyword k, const T &v)
245 { 305 {
246 int klen = keyword_len [k]; 306 int klen = keyword_len [k];
247 int vlen = v ? strlen (v) + 1 : 0; 307 int vlen = v ? strlen (v) + 1 : 0;
248 308
249 char *p = (char *)alloc (klen + vlen + 1); 309 char *p = (char *)alloc (klen + vlen + 1);
… …
259 *p = '\n'; 319 *p = '\n';
260 } 320 }
261 321
262 void put (keyword k, const char *v = 0) 322 void put (keyword k, const char *v = 0)
263 { 323 {
264 put_string (k, v); 324 put_kw_string (k, v);
265 } 325 }
266 326
267 void put (keyword k, const shstr &v) 327 void put (keyword k, const shstr &v)
268 { 328 {
269 put_string (k, v); 329 put_kw_string (k, v);
270 } 330 }
271 331
272 void put (keyword k, double v) 332 void put (keyword k, double v)
273 { 333 {
274 force (MAX_KEYWORD_LEN + 2 + 32); 334 force (MAX_KEYWORD_LEN + 2 + 32);
… …
321 381
322 force (MAX_KEYWORD_LEN + 1); 382 force (MAX_KEYWORD_LEN + 1);
323 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 383 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
324 } 384 }
325 385
326 template<typename T> 386 void put (keyword k, archetype *v);
387 void put (keyword k, treasurelist *v);
327 void put (keyword k, const T *v) 388 void put (keyword k, faceinfo *v);
328 {
329 if (v)
330 put (k, v->name);
331 else
332 put (k, (const char *)0);
333 }
334 389
335 template<typename T> 390 template<typename T>
336 void put (keyword k, const refptr<T> &v) 391 void put (keyword k, const refptr<T> &v)
337 { 392 {
338 put (k, (T *)v); 393 put (k, (T *)v);
339 } 394 }
340 395
341 bool save (const char *path); 396 MTH bool save (const_octet_string path);
342 char *as_string (); // like strdup 397 char *as_string (); // like strdup
343 398
344 operator bool () { return !!av; } 399 operator bool () { return !!av; }
345}; 400};
346 401
402INTERFACE_CLASS(object_thawer)
347struct object_thawer 403struct object_thawer
348{ 404{
349 char *line; // current beginning of line 405 char *line; // current beginning of line
350 SV *text; // text part 406 SV *text; // text part
351 AV *av; // perl part 407 AV *av; // perl part
352 int linenum; 408 int linenum;
353 keyword kw; 409 keyword kw;
354 char *kw_str; // the keyword parsed, as string 410 char *kw_str; // the keyword parsed, as string
355 char *value; // the value, or 0 if no value 411 char *value; // the value, or 0 if no value
356 char *value_nn; // the value, or the empty string if no value 412 const char *value_nn; // the value, or the empty string if no value
357 const char *name; 413 const char *name;
358 414
359 operator bool () { return !!text; } 415 operator bool () const { return !!text; }
360 416
361 object_thawer (const char *path = 0); 417 object_thawer (const char *path = 0);
362 object_thawer (const char *data, AV *perlav); 418 object_thawer (const char *data, AV *perlav);
363 ~object_thawer (); 419 ~object_thawer ();
364 420
365 void get (attachable *obj, int oid); 421 void get (attachable *obj, int oid);
366 422
367 // parse next line 423 // parse next line
368 void next (); 424 MTH void next ();
369 // skip the current key-value (usually fetch next line, for 425 // skip the current key-value (usually fetch next line, for
370 // multiline-fields, skips till the corresponding end-kw 426 // multiline-fields, skips till the corresponding end-kw
371 void skip (); 427 MTH void skip ();
428 MTH void skip_block (); // skips till and over KW_end
372 429
373 char *get_str () { return value; } // may be 0 430 char *get_str () { return value; } // may be 0
374 void get_ml (keyword kend, shstr &sh); 431 void get_ml (keyword kend, shstr &sh);
375 432
376 void get_ornull (shstr &sh) const { sh = value; } 433 void get_ornull (shstr &sh) const { sh = value; }
… …
392 void get (sint32 &i) { i = get_sint32 (); } 449 void get (sint32 &i) { i = get_sint32 (); }
393 450
394 void get (uint32 &i) { i = get_sint64 (); } 451 void get (uint32 &i) { i = get_sint64 (); }
395 void get (sint64 &i) { i = get_sint64 (); } 452 void get (sint64 &i) { i = get_sint64 (); }
396 453
454 MTH void parse_warn (const char *msg);
397 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 455 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
456
457 struct delayed_ref {
458 attachable *op;
459 object_ptr *ptr;
460 const char *ref;
461 };
462 std::vector<delayed_ref> delrefs;
463
464 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
465 MTH void resolve_delayed_derefs (bool deref = true);
398}; 466};
399 467
400//TODO: remove 468//TODO: remove
401char *fgets (char *s, int n, object_thawer &thawer); 469char *fgets (char *s, int n, object_thawer &thawer);
402 470
403////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 471//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
404 472
405struct coroapi { 473struct coroapi {
406 static struct CoroAPI *GCoroAPI; 474 static struct CoroAPI *GCoroAPI;
407 475
476 static EV_ATOMIC_T cede_pending;
477
408 static int nready () { return CORO_NREADY; } 478 static int nready () { return CORO_NREADY; }
409 static int cede () { return CORO_CEDE ; } 479 static int cede () { cede_pending = 0; return CORO_CEDE ; }
410 480
411 static double (*time)();
412 static double next_cede;
413 static int cede_counter;
414
415 static void do_cede_every ();
416 static void do_cede_to_tick (); 481 static void do_cede_to_tick ();
417 static void do_cede_to_tick_every ();
418 482
419 static void cede_every (int count) 483 // actually cede's far more often
420 {
421 if (expect_false (++cede_counter >= count))
422 do_cede_every ();
423 }
424
425 static void cede_to_tick () 484 static bool cede_to_tick ()
426 { 485 {
427 if (expect_false (time () >= next_cede)) 486 if (expect_true (!cede_pending))
487 return false;
488
428 do_cede_to_tick (); 489 do_cede_to_tick ();
429 } 490 return true;
430
431 static void cede_to_tick_every (int count)
432 {
433 if (expect_false (++cede_counter >= count))
434 cede_to_tick ();
435 } 491 }
436 492
437 static void wait_for_tick (); 493 static void wait_for_tick ();
438 static void wait_for_tick_begin (); 494 static void wait_for_tick_begin ();
439}; 495};
440 496
441struct watcher_base 497struct evapi
442{ 498{
443 static struct EventAPI *GEventAPI; 499 static struct EVAPI *GEVAPI;
444}; 500};
445 501
446template<class base>
447struct watcher : watcher_base
448{
449 base *pe;
450
451 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
452 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
453 void now () { GEventAPI->now ((pe_watcher *)pe); }
454 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
455 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
456
457 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
458
459 ~watcher ()
460 {
461 cancel ();
462 }
463
464private:
465 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
466};
467
468struct iw : watcher<pe_idle>, callback<void (iw &)>
469{
470 template<class O, class M>
471 iw (O object, M method)
472 : callback<void (iw &)> (object, method)
473 {
474 alloc ();
475 }
476
477private:
478 void alloc ();
479};
480
481struct iow : watcher<pe_io>, callback<void (iow &, int)> 502struct iow : ev_io, evapi, callback<void (iow &, int)>
482{ 503{
504 static void thunk (EV_P_ struct ev_io *w_, int revents)
505 {
506 iow &w = *static_cast<iow *>(w_);
507
508 w (w, revents);
509 }
510
483 template<class O, class M> 511 template<class O, class M>
484 iow (O object, M method) 512 iow (O object, M method)
485 : callback<void (iow &, int)> (object, method) 513 : callback<void (iow &, int)> (object, method)
486 { 514 {
487 alloc (); 515 ev_init ((ev_io *)this, thunk);
488 } 516 }
489 517
490 void fd (int fd); 518 void prio (int prio)
491 int poll (); 519 {
520 ev_set_priority ((ev_io *)this, prio);
521 }
522
523 void set (int fd, int events)
524 {
525 ev_io_set ((ev_io *)this, fd, events);
526 }
527
528 int poll () const { return events; }
529
492 void poll (int events); 530 void poll (int events);
493 531
494private: 532 void start ()
495 void alloc (); 533 {
534 ev_io_start (EV_DEFAULT, (ev_io *)this);
535 }
536
537 void stop ()
538 {
539 ev_io_stop (EV_DEFAULT, (ev_io *)this);
540 }
541
542 ~iow ()
543 {
544 stop ();
545 }
546};
547
548struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
549{
550 static void thunk (EV_P_ struct ev_async *w_, int revents)
551 {
552 asyncw &w = *static_cast<asyncw *>(w_);
553
554 w (w, revents);
555 }
556
557 template<class O, class M>
558 asyncw (O object, M method)
559 : callback<void (asyncw &, int)> (object, method)
560 {
561 ev_init ((ev_async *)this, thunk);
562 }
563
564 void start ()
565 {
566 ev_async_start (EV_DEFAULT, (ev_async *)this);
567 }
568
569 void stop ()
570 {
571 ev_async_stop (EV_DEFAULT, (ev_async *)this);
572 }
573
574 ~asyncw ()
575 {
576 stop ();
577 }
496}; 578};
497 579
498#endif 580#endif
499 581

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