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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.72 by root, Mon May 28 05:24:07 2007 UTC vs.
Revision 1.97 by root, Thu May 8 20:03:50 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"
… …
32#undef readdir 55#undef readdir
33#undef getprotobyname 56#undef getprotobyname
34#undef gethostbyname 57#undef gethostbyname
35#undef ctime 58#undef ctime
36#undef strerror 59#undef strerror
60#undef _
37 61
38// same here, massive symbol spamming 62// same here, massive symbol spamming
39#undef do_open 63#undef do_open
40#undef do_close 64#undef do_close
41#undef ref 65#undef ref
… …
46#undef random 70#undef random
47#undef crypt 71#undef crypt
48 72
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50 74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
51// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
52 81
53#define CHECK_ERROR \ 82#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \ 83 if (SvTRUE (ERRSV)) \
55 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 84 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
56 85
57#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)
58#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
59#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 88#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; 89#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
… …
62 91
63////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
64 93
65void cfperl_init (); 94void cfperl_init ();
66void cfperl_main (); 95void cfperl_main ();
96void cfperl_tick ();
67void cfperl_emergency_save (); 97void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 98void cfperl_cleanup (int make_core);
69void cfperl_make_book (object *book, int level); 99void cfperl_make_book (object *book, int level);
100void cfperl_expand_cfpod (player *pl, std::string &msg);
101void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
102int cfperl_can_merge (object *ob1, object *ob2);
70 103
71////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 104//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
72 105
106#if IVSIZE >= 8
107 typedef IV val64;
108 typedef IV uval64;
109# define newSVval64 newSViv
110# define SvVAL64 SvIV
111# define newSVuval64 newSVuv
112# define SvUVAL64 SvUV
113#else
114 typedef double val64;
115 typedef double uval64;
116# define newSVval64 newSVnv
117# define SvVAL64 SvNV
118# define newSVuval64 newSVnv
119# define SvUVAL64 SvNV
120#endif
121
73// virtual server time, excluding time jumps and lag 122extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 123extern tstamp NOW; // real time of current server tick
75 124
76enum event_klass 125enum event_klass
77{ 126{
78 KLASS_NONE, 127 KLASS_NONE,
79 KLASS_GLOBAL, 128 KLASS_GLOBAL,
… …
129int cfperl_result_INT (int idx); 178int cfperl_result_INT (int idx);
130 179
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 180//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 181
133INTERFACE_CLASS (attachable) 182INTERFACE_CLASS (attachable)
134struct attachable 183struct attachable : refcnt_base
135{ 184{
136 static MGVTBL vtbl; 185 static MGVTBL vtbl;
137 186
138 static unordered_vector<attachable *> mortals; 187 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals (); 188 MTH static void check_mortals ();
140 189
141 enum { 190 enum {
142 F_DESTROYED = 0x01, 191 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 192 F_DEBUG_TRACE = 0x02,
144 }; 193 };
194 int ACC (RW, flags);
145 195
146 // object is delete'd after the refcount reaches 0 196 // 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; 197 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 198 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 199 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 200
157 // destroy the object unless it was already destroyed 201 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 202 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 203 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 204 MTH void destroy ();
… …
176 220
177 void sever_self (); // sever this object from its self, if it has one. 221 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 222 void optimise (); // possibly save some memory by destroying unneeded data
179 223
180 attachable () 224 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 225 : flags (0), self (0), cb (0), attach (0)
182 { 226 {
183 } 227 }
184 228
185 attachable (const attachable &src) 229 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 230 : flags (0), self (0), cb (0), attach (src.attach)
187 { 231 {
188 } 232 }
189 233
190 virtual ~attachable (); 234 // set a custom key to the given value, or delete it if value = 0
235 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
236
237 void set_key_text (const char *key, const char *value = 0)
238 {
239 set_key (key, value, 1);
240 }
241
242 void set_key_data (const char *key, const char *value = 0)
243 {
244 set_key (key, value, 0);
245 }
191 246
192 attachable &operator =(const attachable &src); 247 attachable &operator =(const attachable &src);
193 248
194 // used to _quickly_ device wether to shortcut the evaluation 249 // used to _quickly_ device wether to shortcut the evaluation
195 bool should_invoke (event_type event) 250 bool should_invoke (event_type event)
… …
206 // do the real refcount checking work 261 // do the real refcount checking work
207 void do_check (); 262 void do_check ();
208 263
209 // the method that does the real destroy work 264 // the method that does the real destroy work
210 virtual void do_destroy (); 265 virtual void do_destroy ();
266
267 // destructor is protected, should not be called by anybody
268 virtual ~attachable ();
211}; 269};
212 270
213// the global object is a pseudo object that cares for the global events 271// the global object is a pseudo object that cares for the global events
214struct global : attachable 272struct global : attachable
215{ 273{
… …
218 276
219extern struct global gbl_ev; 277extern struct global gbl_ev;
220 278
221////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 279//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222 280
281INTERFACE_CLASS(object_freezer)
223struct object_freezer : dynbuf_text 282struct object_freezer : dynbuf_text
224{ 283{
225 AV *av; 284 AV *av;
226 285
227 object_freezer (); 286 object_freezer ();
… …
239 298
240 add ('\n'); 299 add ('\n');
241 } 300 }
242 301
243 template<typename T> 302 template<typename T>
244 void put_string (keyword k, const T &v) 303 void put_kw_string (keyword k, const T &v)
245 { 304 {
246 int klen = keyword_len [k]; 305 int klen = keyword_len [k];
247 int vlen = v ? strlen (v) + 1 : 0; 306 int vlen = v ? strlen (v) + 1 : 0;
248 307
249 char *p = (char *)alloc (klen + vlen + 1); 308 char *p = (char *)alloc (klen + vlen + 1);
… …
259 *p = '\n'; 318 *p = '\n';
260 } 319 }
261 320
262 void put (keyword k, const char *v = 0) 321 void put (keyword k, const char *v = 0)
263 { 322 {
264 put_string (k, v); 323 put_kw_string (k, v);
265 } 324 }
266 325
267 void put (keyword k, const shstr &v) 326 void put (keyword k, const shstr &v)
268 { 327 {
269 put_string (k, v); 328 put_kw_string (k, v);
270 } 329 }
271 330
272 void put (keyword k, double v) 331 void put (keyword k, double v)
273 { 332 {
274 force (MAX_KEYWORD_LEN + 2 + 32); 333 force (MAX_KEYWORD_LEN + 2 + 32);
… …
321 380
322 force (MAX_KEYWORD_LEN + 1); 381 force (MAX_KEYWORD_LEN + 1);
323 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 382 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
324 } 383 }
325 384
326 template<typename T> 385 void put (keyword k, archetype *v);
386 void put (keyword k, treasurelist *v);
327 void put (keyword k, const T *v) 387 void put (keyword k, faceinfo *v);
328 {
329 if (v)
330 put (k, v->name);
331 else
332 put (k, (const char *)0);
333 }
334 388
335 template<typename T> 389 template<typename T>
336 void put (keyword k, const refptr<T> &v) 390 void put (keyword k, const refptr<T> &v)
337 { 391 {
338 put (k, (T *)v); 392 put (k, (T *)v);
339 } 393 }
340 394
341 bool save (const char *path); 395 MTH bool save (const_octet_string path);
342 char *as_string (); // like strdup 396 char *as_string (); // like strdup
343 397
344 operator bool () { return !!av; } 398 operator bool () { return !!av; }
345}; 399};
346 400
401INTERFACE_CLASS(object_thawer)
347struct object_thawer 402struct object_thawer
348{ 403{
349 char *line; // current beginning of line 404 char *line; // current beginning of line
350 SV *text; // text part 405 SV *text; // text part
351 AV *av; // perl part 406 AV *av; // perl part
352 int linenum; 407 int linenum;
353 keyword kw; 408 keyword kw;
354 char *kw_str; // the keyword parsed, as string 409 char *kw_str; // the keyword parsed, as string
355 char *value; // the value, or 0 if no value 410 char *value; // the value, or 0 if no value
356 char *value_nn; // the value, or the empty string if no value 411 const char *value_nn; // the value, or the empty string if no value
357 const char *name; 412 const char *name;
358 413
359 operator bool () { return !!text; } 414 operator bool () const { return !!text; }
360 415
361 object_thawer (const char *path = 0); 416 object_thawer (const char *path = 0);
362 object_thawer (const char *data, AV *perlav); 417 object_thawer (const char *data, AV *perlav);
363 ~object_thawer (); 418 ~object_thawer ();
364 419
365 void get (attachable *obj, int oid); 420 void get (attachable *obj, int oid);
366 421
367 // parse next line 422 // parse next line
368 void next (); 423 MTH void next ();
369 // skip the current key-value (usually fetch next line, for 424 // skip the current key-value (usually fetch next line, for
370 // multiline-fields, skips untilt he corresponding end-kw 425 // multiline-fields, skips till the corresponding end-kw
371 void skip (); 426 MTH void skip ();
372 427 MTH void skip_block (); // skips till and over KW_end
373 //TODO: remove, deprecated
374 keyword get_kv ()
375 {
376 next ();
377 return kw;
378 }
379 428
380 char *get_str () { return value; } // may be 0 429 char *get_str () { return value; } // may be 0
381 void get_ml (keyword kend, shstr &sh); 430 void get_ml (keyword kend, shstr &sh);
382 431
383 void get_ornull (shstr &sh) const { sh = value; } 432 void get_ornull (shstr &sh) const { sh = value; }
… …
399 void get (sint32 &i) { i = get_sint32 (); } 448 void get (sint32 &i) { i = get_sint32 (); }
400 449
401 void get (uint32 &i) { i = get_sint64 (); } 450 void get (uint32 &i) { i = get_sint64 (); }
402 void get (sint64 &i) { i = get_sint64 (); } 451 void get (sint64 &i) { i = get_sint64 (); }
403 452
453 MTH void parse_warn (const char *msg);
404 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 454 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
455
456 struct delayed_ref {
457 attachable *op;
458 object_ptr *ptr;
459 const char *ref;
460 };
461 std::vector<delayed_ref> delrefs;
462
463 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
464 MTH void resolve_delayed_derefs (bool deref = true);
405}; 465};
406 466
407//TODO: remove 467//TODO: remove
408char *fgets (char *s, int n, object_thawer &thawer); 468char *fgets (char *s, int n, object_thawer &thawer);
409 469
410////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 470//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
411 471
412struct coroapi { 472struct coroapi {
413 static struct CoroAPI *GCoroAPI; 473 static struct CoroAPI *GCoroAPI;
414 474
475 static EV_ATOMIC_T cede_pending;
476
415 static int nready () { return CORO_NREADY; } 477 static int nready () { return CORO_NREADY; }
416 static int cede () { return CORO_CEDE ; } 478 static int cede () { cede_pending = 0; return CORO_CEDE ; }
417 479
418 static double (*time)();
419 static double next_cede;
420 static int cede_counter;
421
422 static void do_cede_every ();
423 static void do_cede_to_tick (); 480 static void do_cede_to_tick ();
424 static void do_cede_to_tick_every ();
425 481
426 static void cede_every (int count) 482 // actually cede's far more often
427 {
428 if (expect_false (++cede_counter >= count))
429 do_cede_every ();
430 }
431
432 static void cede_to_tick () 483 static bool cede_to_tick ()
433 { 484 {
434 if (expect_false (time () >= next_cede)) 485 if (expect_true (!cede_pending))
486 return false;
487
435 do_cede_to_tick (); 488 do_cede_to_tick ();
436 } 489 return true;
437
438 static void cede_to_tick_every (int count)
439 {
440 if (expect_false (++cede_counter >= count))
441 cede_to_tick ();
442 } 490 }
443 491
444 static void wait_for_tick (); 492 static void wait_for_tick ();
445 static void wait_for_tick_begin (); 493 static void wait_for_tick_begin ();
446}; 494};
447 495
448struct watcher_base 496struct evapi
449{ 497{
450 static struct EventAPI *GEventAPI; 498 static struct EVAPI *GEVAPI;
451}; 499};
452 500
453template<class base>
454struct watcher : watcher_base
455{
456 base *pe;
457
458 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
459 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
460 void now () { GEventAPI->now ((pe_watcher *)pe); }
461 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
462 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
463
464 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
465
466 ~watcher ()
467 {
468 cancel ();
469 }
470
471private:
472 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
473};
474
475struct iw : watcher<pe_idle>, callback<void (iw &)>
476{
477 template<class O, class M>
478 iw (O object, M method)
479 : callback<void (iw &)> (object, method)
480 {
481 alloc ();
482 }
483
484private:
485 void alloc ();
486};
487
488struct iow : watcher<pe_io>, callback<void (iow &, int)> 501struct iow : ev_io, evapi, callback<void (iow &, int)>
489{ 502{
503 static void thunk (EV_P_ struct ev_io *w_, int revents)
504 {
505 iow &w = *static_cast<iow *>(w_);
506
507 w (w, revents);
508 }
509
490 template<class O, class M> 510 template<class O, class M>
491 iow (O object, M method) 511 iow (O object, M method)
492 : callback<void (iow &, int)> (object, method) 512 : callback<void (iow &, int)> (object, method)
493 { 513 {
494 alloc (); 514 ev_init ((ev_io *)this, thunk);
495 } 515 }
496 516
497 void fd (int fd); 517 void prio (int prio)
498 int poll (); 518 {
519 ev_set_priority ((ev_io *)this, prio);
520 }
521
522 void set (int fd, int events)
523 {
524 ev_io_set ((ev_io *)this, fd, events);
525 }
526
527 int poll () const { return events; }
528
499 void poll (int events); 529 void poll (int events);
500 530
501private: 531 void start ()
502 void alloc (); 532 {
533 ev_io_start (EV_DEFAULT, (ev_io *)this);
534 }
535
536 void stop ()
537 {
538 ev_io_stop (EV_DEFAULT, (ev_io *)this);
539 }
540
541 ~iow ()
542 {
543 stop ();
544 }
545};
546
547struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
548{
549 static void thunk (EV_P_ struct ev_async *w_, int revents)
550 {
551 asyncw &w = *static_cast<asyncw *>(w_);
552
553 w (w, revents);
554 }
555
556 template<class O, class M>
557 asyncw (O object, M method)
558 : callback<void (asyncw &, int)> (object, method)
559 {
560 ev_init ((ev_async *)this, thunk);
561 }
562
563 void start ()
564 {
565 ev_async_start (EV_DEFAULT, (ev_async *)this);
566 }
567
568 void stop ()
569 {
570 ev_async_stop (EV_DEFAULT, (ev_async *)this);
571 }
572
573 ~asyncw ()
574 {
575 stop ();
576 }
503}; 577};
504 578
505#endif 579#endif
506 580

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