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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 1.110 by root, Thu Nov 5 14:38:48 2009 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 *
6 * Deliantra is free software: you can redistribute it and/or modify it under
7 * the terms of the Affero GNU General Public License as published by the
8 * Free Software Foundation, either version 3 of the License, or (at your
9 * option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the Affero GNU General Public License
17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
19 *
20 * The authors can be reached via e-mail to <support@deliantra.net>
21 */
22
1// 23//
2// cfperl.h perl interface 24// cfperl.h perl interface
3// 25//
4#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
5#define CFPERL_H__ 27#define CFPERL_H__
… …
12 34
13#include <EXTERN.h> 35#include <EXTERN.h>
14#include <perl.h> 36#include <perl.h>
15#include <XSUB.h> 37#include <XSUB.h>
16 38
17#include <EventAPI.h> 39#include <EVAPI.h>
18#include <CoroAPI.h> 40#include <CoroAPI.h>
19 41
20#include "util.h" 42#include "util.h"
21#include "keyword.h" 43#include "keyword.h"
22#include "dynbuf.h" 44#include "dynbuf.h"
… …
27// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 49// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
28#undef localtime 50#undef localtime
29#undef srand48 51#undef srand48
30#undef drand48 52#undef drand48
31#undef srandom 53#undef srandom
54#undef opendir
32#undef readdir 55#undef readdir
56#undef closedir
33#undef getprotobyname 57#undef getprotobyname
34#undef gethostbyname 58#undef gethostbyname
35#undef ctime 59#undef ctime
36#undef strerror 60#undef strerror
61#undef _
37 62
38// same here, massive symbol spamming 63// same here, massive symbol spamming
39#undef do_open 64#undef do_open
40#undef do_close 65#undef do_close
41#undef ref 66#undef ref
… …
46#undef random 71#undef random
47#undef crypt 72#undef crypt
48 73
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 74//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50 75
76#define _(msg) (msg)
77#define N_(msg) (msg)
78
79//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
80
51// some macros to simplify perl in-calls 81// some macros to simplify perl in-calls
52 82
53#define CHECK_ERROR \ 83#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \ 84 if (SvTRUE (ERRSV)) \
55 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 85 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
86
87inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
88inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
56 89
57#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 90#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 91#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))) 92#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; 93#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
61#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 94#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
62 95
63////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
64 97
65void cfperl_init (); 98void cfperl_init ();
66void cfperl_main (); 99void cfperl_main ();
100void cfperl_tick ();
67void cfperl_emergency_save (); 101void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 102void cfperl_cleanup (int make_core);
69void cfperl_make_book (object *book, int level); 103void cfperl_make_book (object *book, int level);
104void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
105int cfperl_can_merge (object *ob1, object *ob2);
106void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
70 107
71////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 108bool is_match_expr (const char *expr);
109// applies the match expression and returns true if it matches
110bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
111// same as above, but returns the first object found, or 0
112object *match_one (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
72 113
114//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
115
116#if IVSIZE >= 8
117 typedef IV val64;
118 typedef IV uval64;
119# define newSVval64 newSViv
120# define SvVAL64 SvIV
121# define newSVuval64 newSVuv
122# define SvUVAL64 SvUV
123#else
124 typedef double val64;
125 typedef double uval64;
126# define newSVval64 newSVnv
127# define SvVAL64 SvNV
128# define newSVuval64 newSVnv
129# define SvUVAL64 SvNV
130#endif
131
73// virtual server time, excluding time jumps and lag 132extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 133extern tstamp NOW; // real time of current server tick
75 134
76enum event_klass 135enum event_klass
77{ 136{
78 KLASS_NONE, 137 KLASS_NONE,
79 KLASS_GLOBAL, 138 KLASS_GLOBAL,
… …
129int cfperl_result_INT (int idx); 188int cfperl_result_INT (int idx);
130 189
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 190//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 191
133INTERFACE_CLASS (attachable) 192INTERFACE_CLASS (attachable)
134struct attachable 193struct attachable : refcnt_base
135{ 194{
136 static MGVTBL vtbl; 195 static MGVTBL vtbl;
137
138 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals ();
140 196
141 enum { 197 enum {
142 F_DESTROYED = 0x01, 198 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 199 F_DEBUG_TRACE = 0x02,
144 }; 200 };
201 uint8 ACC (RW, flags);
202
203 static unordered_vector<attachable *> mortals;
204 MTH static void check_mortals ();
145 205
146 // object is delete'd after the refcount reaches 0 206 // 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; 207 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 208 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 209 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 210
157 // destroy the object unless it was already destroyed 211 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 212 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 213 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 214 MTH void destroy ();
… …
176 230
177 void sever_self (); // sever this object from its self, if it has one. 231 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 232 void optimise (); // possibly save some memory by destroying unneeded data
179 233
180 attachable () 234 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 235 : flags (0), self (0), cb (0), attach (0)
182 { 236 {
183 } 237 }
184 238
185 attachable (const attachable &src) 239 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 240 : flags (0), self (0), cb (0), attach (src.attach)
187 { 241 {
188 } 242 }
189 243
190 virtual ~attachable (); 244 // set a custom key to the given value, or delete it if value = 0
245 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
246
247 void set_key_text (const char *key, const char *value = 0)
248 {
249 set_key (key, value, 1);
250 }
251
252 void set_key_data (const char *key, const char *value = 0)
253 {
254 set_key (key, value, 0);
255 }
191 256
192 attachable &operator =(const attachable &src); 257 attachable &operator =(const attachable &src);
193 258
194 // used to _quickly_ device wether to shortcut the evaluation 259 // used to _quickly_ device wether to shortcut the evaluation
195 bool should_invoke (event_type event) 260 bool should_invoke (event_type event)
… …
206 // do the real refcount checking work 271 // do the real refcount checking work
207 void do_check (); 272 void do_check ();
208 273
209 // the method that does the real destroy work 274 // the method that does the real destroy work
210 virtual void do_destroy (); 275 virtual void do_destroy ();
276
277 // destructor is protected, should not be called by anybody
278 virtual ~attachable ();
211}; 279};
212 280
213// the global object is a pseudo object that cares for the global events 281// the global object is a pseudo object that cares for the global events
214struct global : attachable 282struct global : attachable
215{ 283{
… …
218 286
219extern struct global gbl_ev; 287extern struct global gbl_ev;
220 288
221////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 289//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222 290
291INTERFACE_CLASS(object_freezer)
223struct object_freezer : dynbuf_text 292struct object_freezer : dynbuf_text
224{ 293{
225 AV *av; 294 AV *av;
226 295
227 object_freezer (); 296 object_freezer ();
228 ~object_freezer (); 297 ~object_freezer ();
229 298
230 void put (attachable *ext); 299 void put (attachable *ext);
231 300
232 // used only for user-defined key-value pairs 301 // used only for user-defined key-value pairs
233 void put (const shstr &k, const shstr &v) 302 void put (shstr_tmp k, shstr_tmp v)
234 { 303 {
235 add (k); 304 add (k);
236 305
237 if (expect_true (v)) 306 if (expect_true (v))
238 add (' '), add (v); 307 add (' '), add (v);
239 308
240 add ('\n'); 309 add ('\n');
241 } 310 }
242 311
243 template<typename T> 312 template<typename T>
244 void put_string (keyword k, const T &v) 313 void put_kw_string (keyword k, const T &v)
245 { 314 {
246 int klen = keyword_len [k]; 315 int klen = keyword_len [k];
247 int vlen = v ? strlen (v) + 1 : 0; 316 int vlen = v ? strlen (v) + 1 : 0;
248 317
249 char *p = (char *)alloc (klen + vlen + 1); 318 char *p = (char *)alloc (klen + vlen + 1);
… …
259 *p = '\n'; 328 *p = '\n';
260 } 329 }
261 330
262 void put (keyword k, const char *v = 0) 331 void put (keyword k, const char *v = 0)
263 { 332 {
264 put_string (k, v); 333 put_kw_string (k, v);
265 } 334 }
266 335
267 void put (keyword k, const shstr &v) 336 void put (keyword k, shstr_tmp v)
268 { 337 {
269 put_string (k, v); 338 put_kw_string (k, v);
270 } 339 }
271 340
272 void put (keyword k, double v) 341 void put (keyword k, double v)
273 { 342 {
274 force (MAX_KEYWORD_LEN + 2 + 32); 343 force (MAX_KEYWORD_LEN + 2 + 32);
… …
306 void put (keyword k, signed long v) { put_(k, (sint64)v); } 375 void put (keyword k, signed long v) { put_(k, (sint64)v); }
307 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 376 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
308 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 377 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
309 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 378 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
310 379
311 void put (keyword kbeg, keyword kend, const shstr &v) 380 void put (keyword kbeg, keyword kend, shstr_tmp v)
312 { 381 {
313 force (MAX_KEYWORD_LEN + 1); 382 force (MAX_KEYWORD_LEN + 1);
314 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 383 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
315 384
316 if (expect_true (v)) 385 if (expect_true (v))
… …
321 390
322 force (MAX_KEYWORD_LEN + 1); 391 force (MAX_KEYWORD_LEN + 1);
323 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 392 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
324 } 393 }
325 394
326 template<typename T> 395 void put (keyword k, archetype *v);
396 void put (keyword k, treasurelist *v);
327 void put (keyword k, const T *v) 397 void put (keyword k, faceinfo *v);
328 {
329 if (v)
330 put (k, v->name);
331 else
332 put (k, (const char *)0);
333 }
334 398
335 template<typename T> 399 template<typename T>
336 void put (keyword k, const refptr<T> &v) 400 void put (keyword k, const refptr<T> &v)
337 { 401 {
338 put (k, (T *)v); 402 put (k, (T *)v);
339 } 403 }
340 404
341 bool save (const char *path); 405 MTH bool save (const_octet_string path);
342 char *as_string (); // like strdup 406 char *as_string (); // like strdup
343 407
344 operator bool () { return !!av; } 408 operator bool () { return !!av; }
345}; 409};
346 410
411INTERFACE_CLASS(object_thawer)
347struct object_thawer 412struct object_thawer
348{ 413{
349 char *line; // current beginning of line 414 char *line; // current beginning of line
350 SV *text; // text part 415 SV *text; // text part
351 AV *av; // perl part 416 AV *av; // perl part
352 int linenum; 417 int linenum;
353 keyword kw; 418 keyword kw;
354 char *kw_str; // the keyword parsed, as string 419 char *kw_str; // the keyword parsed, as string
355 char *value; // the value, or 0 if no value 420 char *value; // the value, or 0 if no value
356 char *value_nn; // the value, or the empty string if no value 421 const char *value_nn; // the value, or the empty string if no value
357 const char *name; 422 const char *name;
358 423
359 operator bool () { return !!text; } 424 operator bool () const { return !!text; }
360 425
361 object_thawer (const char *path = 0); 426 object_thawer (const char *path = 0);
362 object_thawer (const char *data, AV *perlav); 427 object_thawer (const char *data, AV *perlav);
363 ~object_thawer (); 428 ~object_thawer ();
364 429
365 void get (attachable *obj, int oid); 430 void get (attachable *obj, int oid);
366 431
367 // parse next line 432 // parse next line
368 void next (); 433 MTH void next ();
369 // skip the current key-value (usually fetch next line, for 434 // skip the current key-value (usually fetch next line, for
370 // multiline-fields, skips till the corresponding end-kw 435 // multiline-fields, skips till the corresponding end-kw
371 void skip (); 436 MTH void skip ();
437 MTH void skip_block (); // skips till and over KW_end
372 438
373 char *get_str () { return value; } // may be 0 439 char *get_str () { return value; } // may be 0
374 void get_ml (keyword kend, shstr &sh); 440 void get_ml (keyword kend, shstr &sh);
375 441
376 void get_ornull (shstr &sh) const { sh = value; } 442 void get_ornull (shstr &sh) const { sh = value; }
… …
392 void get (sint32 &i) { i = get_sint32 (); } 458 void get (sint32 &i) { i = get_sint32 (); }
393 459
394 void get (uint32 &i) { i = get_sint64 (); } 460 void get (uint32 &i) { i = get_sint64 (); }
395 void get (sint64 &i) { i = get_sint64 (); } 461 void get (sint64 &i) { i = get_sint64 (); }
396 462
463 MTH void parse_warn (const char *msg);
397 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 464 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
465
466 struct delayed_ref {
467 attachable *op;
468 object_ptr *ptr;
469 const char *ref;
470 };
471 std::vector<delayed_ref> delrefs;
472
473 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
474 MTH void resolve_delayed_derefs (bool deref = true);
398}; 475};
399 476
400//TODO: remove 477//TODO: remove
401char *fgets (char *s, int n, object_thawer &thawer); 478char *fgets (char *s, int n, object_thawer &thawer);
402 479
403////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 480//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
404 481
405struct coroapi { 482struct coroapi {
406 static struct CoroAPI *GCoroAPI; 483 static struct CoroAPI *GCoroAPI;
407 484
485 static EV_ATOMIC_T cede_pending;
486
408 static int nready () { return CORO_NREADY; } 487 static int nready () { return CORO_NREADY; }
409 static int cede () { return CORO_CEDE ; } 488 static int cede () { cede_pending = 0; return CORO_CEDE ; }
410 489
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 (); 490 static void do_cede_to_tick ();
417 static void do_cede_to_tick_every ();
418 491
419 static void cede_every (int count) 492 // 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 () 493 static bool cede_to_tick ()
426 { 494 {
427 if (expect_false (time () >= next_cede)) 495 if (expect_true (!cede_pending))
496 return false;
497
428 do_cede_to_tick (); 498 do_cede_to_tick ();
429 } 499 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 } 500 }
436 501
437 static void wait_for_tick (); 502 static void wait_for_tick ();
438 static void wait_for_tick_begin (); 503 static void wait_for_tick_begin ();
439}; 504};
440 505
441struct watcher_base 506struct evapi
442{ 507{
443 static struct EventAPI *GEventAPI; 508 static struct EVAPI *GEVAPI;
444}; 509};
445 510
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)> 511struct iow : ev_io, evapi, callback<void (iow &, int)>
482{ 512{
513 static void thunk (EV_P_ struct ev_io *w_, int revents)
514 {
515 iow &w = *static_cast<iow *>(w_);
516
517 w (w, revents);
518 }
519
483 template<class O, class M> 520 template<class O, class M>
484 iow (O object, M method) 521 iow (O object, M method)
485 : callback<void (iow &, int)> (object, method) 522 : callback<void (iow &, int)> (object, method)
486 { 523 {
487 alloc (); 524 ev_init ((ev_io *)this, thunk);
488 } 525 }
489 526
490 void fd (int fd); 527 void prio (int prio)
491 int poll (); 528 {
529 ev_set_priority ((ev_io *)this, prio);
530 }
531
532 void set (int fd, int events)
533 {
534 ev_io_set ((ev_io *)this, fd, events);
535 }
536
537 int poll () const { return events; }
538
492 void poll (int events); 539 void poll (int events);
493 540
494private: 541 void start ()
495 void alloc (); 542 {
543 ev_io_start (EV_DEFAULT, (ev_io *)this);
544 }
545
546 void stop ()
547 {
548 ev_io_stop (EV_DEFAULT, (ev_io *)this);
549 }
550
551 ~iow ()
552 {
553 stop ();
554 }
555};
556
557struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
558{
559 static void thunk (EV_P_ struct ev_async *w_, int revents)
560 {
561 asyncw &w = *static_cast<asyncw *>(w_);
562
563 w (w, revents);
564 }
565
566 template<class O, class M>
567 asyncw (O object, M method)
568 : callback<void (asyncw &, int)> (object, method)
569 {
570 ev_init ((ev_async *)this, thunk);
571 }
572
573 void start ()
574 {
575 ev_async_start (EV_DEFAULT, (ev_async *)this);
576 }
577
578 void stop ()
579 {
580 ev_async_stop (EV_DEFAULT, (ev_async *)this);
581 }
582
583 ~asyncw ()
584 {
585 stop ();
586 }
496}; 587};
497 588
498#endif 589#endif
499 590

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