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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 1.96 by root, Wed Apr 16 21:14:13 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_send_msg (client *ns, int color, const char *type, const char *msg);
101int cfperl_can_merge (object *ob1, object *ob2);
70 102
71////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 103//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
72 104
105#if IVSIZE >= 8
106 typedef IV val64;
107 typedef IV uval64;
108# define newSVval64 newSViv
109# define SvVAL64 SvIV
110# define newSVuval64 newSVuv
111# define SvUVAL64 SvUV
112#else
113 typedef double val64;
114 typedef double uval64;
115# define newSVval64 newSVnv
116# define SvVAL64 SvNV
117# define newSVuval64 newSVnv
118# define SvUVAL64 SvNV
119#endif
120
73// virtual server time, excluding time jumps and lag 121extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 122extern tstamp NOW; // real time of current server tick
75 123
76enum event_klass 124enum event_klass
77{ 125{
78 KLASS_NONE, 126 KLASS_NONE,
79 KLASS_GLOBAL, 127 KLASS_GLOBAL,
… …
129int cfperl_result_INT (int idx); 177int cfperl_result_INT (int idx);
130 178
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 179//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 180
133INTERFACE_CLASS (attachable) 181INTERFACE_CLASS (attachable)
134struct attachable 182struct attachable : refcnt_base
135{ 183{
136 static MGVTBL vtbl; 184 static MGVTBL vtbl;
137 185
138 static unordered_vector<attachable *> mortals; 186 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals (); 187 MTH static void check_mortals ();
140 188
141 enum { 189 enum {
142 F_DESTROYED = 0x01, 190 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 191 F_DEBUG_TRACE = 0x02,
144 }; 192 };
193 int ACC (RW, flags);
145 194
146 // object is delete'd after the refcount reaches 0 195 // 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; 196 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 197 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 198 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 199
157 // destroy the object unless it was already destroyed 200 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 201 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 202 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 203 MTH void destroy ();
… …
176 219
177 void sever_self (); // sever this object from its self, if it has one. 220 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 221 void optimise (); // possibly save some memory by destroying unneeded data
179 222
180 attachable () 223 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 224 : flags (0), self (0), cb (0), attach (0)
182 { 225 {
183 } 226 }
184 227
185 attachable (const attachable &src) 228 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 229 : flags (0), self (0), cb (0), attach (src.attach)
187 { 230 {
188 } 231 }
189 232
190 virtual ~attachable (); 233 // set a custom key to the given value, or delete it if value = 0
234 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
235
236 void set_key_text (const char *key, const char *value = 0)
237 {
238 set_key (key, value, 1);
239 }
240
241 void set_key_data (const char *key, const char *value = 0)
242 {
243 set_key (key, value, 0);
244 }
191 245
192 attachable &operator =(const attachable &src); 246 attachable &operator =(const attachable &src);
193 247
194 // used to _quickly_ device wether to shortcut the evaluation 248 // used to _quickly_ device wether to shortcut the evaluation
195 bool should_invoke (event_type event) 249 bool should_invoke (event_type event)
… …
206 // do the real refcount checking work 260 // do the real refcount checking work
207 void do_check (); 261 void do_check ();
208 262
209 // the method that does the real destroy work 263 // the method that does the real destroy work
210 virtual void do_destroy (); 264 virtual void do_destroy ();
265
266 // destructor is protected, should not be called by anybody
267 virtual ~attachable ();
211}; 268};
212 269
213// the global object is a pseudo object that cares for the global events 270// the global object is a pseudo object that cares for the global events
214struct global : attachable 271struct global : attachable
215{ 272{
… …
218 275
219extern struct global gbl_ev; 276extern struct global gbl_ev;
220 277
221////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 278//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222 279
280INTERFACE_CLASS(object_freezer)
223struct object_freezer : dynbuf_text 281struct object_freezer : dynbuf_text
224{ 282{
225 AV *av; 283 AV *av;
226 284
227 object_freezer (); 285 object_freezer ();
… …
239 297
240 add ('\n'); 298 add ('\n');
241 } 299 }
242 300
243 template<typename T> 301 template<typename T>
244 void put_string (keyword k, const T &v) 302 void put_kw_string (keyword k, const T &v)
245 { 303 {
246 int klen = keyword_len [k]; 304 int klen = keyword_len [k];
247 int vlen = v ? strlen (v) + 1 : 0; 305 int vlen = v ? strlen (v) + 1 : 0;
248 306
249 char *p = (char *)alloc (klen + vlen + 1); 307 char *p = (char *)alloc (klen + vlen + 1);
… …
259 *p = '\n'; 317 *p = '\n';
260 } 318 }
261 319
262 void put (keyword k, const char *v = 0) 320 void put (keyword k, const char *v = 0)
263 { 321 {
264 put_string (k, v); 322 put_kw_string (k, v);
265 } 323 }
266 324
267 void put (keyword k, const shstr &v) 325 void put (keyword k, const shstr &v)
268 { 326 {
269 put_string (k, v); 327 put_kw_string (k, v);
270 } 328 }
271 329
272 void put (keyword k, double v) 330 void put (keyword k, double v)
273 { 331 {
274 force (MAX_KEYWORD_LEN + 2 + 32); 332 force (MAX_KEYWORD_LEN + 2 + 32);
… …
321 379
322 force (MAX_KEYWORD_LEN + 1); 380 force (MAX_KEYWORD_LEN + 1);
323 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 381 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
324 } 382 }
325 383
326 template<typename T> 384 void put (keyword k, archetype *v);
385 void put (keyword k, treasurelist *v);
327 void put (keyword k, const T *v) 386 void put (keyword k, faceinfo *v);
328 {
329 if (v)
330 put (k, v->name);
331 else
332 put (k, (const char *)0);
333 }
334 387
335 template<typename T> 388 template<typename T>
336 void put (keyword k, const refptr<T> &v) 389 void put (keyword k, const refptr<T> &v)
337 { 390 {
338 put (k, (T *)v); 391 put (k, (T *)v);
339 } 392 }
340 393
341 bool save (const char *path); 394 MTH bool save (const_octet_string path);
342 char *as_string (); // like strdup 395 char *as_string (); // like strdup
343 396
344 operator bool () { return !!av; } 397 operator bool () { return !!av; }
345}; 398};
346 399
400INTERFACE_CLASS(object_thawer)
347struct object_thawer 401struct object_thawer
348{ 402{
349 char *line; // current beginning of line 403 char *line; // current beginning of line
350 SV *text; // text part 404 SV *text; // text part
351 AV *av; // perl part 405 AV *av; // perl part
352 int linenum; 406 int linenum;
353 keyword kw; 407 keyword kw;
354 char *kw_str; // the keyword parsed, as string 408 char *kw_str; // the keyword parsed, as string
355 char *value; // the value, or 0 if no value 409 char *value; // the value, or 0 if no value
356 char *value_nn; // the value, or the empty string if no value 410 const char *value_nn; // the value, or the empty string if no value
357 const char *name; 411 const char *name;
358 412
359 operator bool () { return !!text; } 413 operator bool () const { return !!text; }
360 414
361 object_thawer (const char *path = 0); 415 object_thawer (const char *path = 0);
362 object_thawer (const char *data, AV *perlav); 416 object_thawer (const char *data, AV *perlav);
363 ~object_thawer (); 417 ~object_thawer ();
364 418
365 void get (attachable *obj, int oid); 419 void get (attachable *obj, int oid);
366 420
367 // parse next line 421 // parse next line
368 void next (); 422 MTH void next ();
369 // skip the current key-value (usually fetch next line, for 423 // skip the current key-value (usually fetch next line, for
370 // multiline-fields, skips untilt he corresponding end-kw 424 // multiline-fields, skips till the corresponding end-kw
371 void skip (); 425 MTH void skip ();
372 426 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 }
379 427
380 char *get_str () { return value; } // may be 0 428 char *get_str () { return value; } // may be 0
381 void get_ml (keyword kend, shstr &sh); 429 void get_ml (keyword kend, shstr &sh);
382 430
383 void get_ornull (shstr &sh) const { sh = value; } 431 void get_ornull (shstr &sh) const { sh = value; }
… …
399 void get (sint32 &i) { i = get_sint32 (); } 447 void get (sint32 &i) { i = get_sint32 (); }
400 448
401 void get (uint32 &i) { i = get_sint64 (); } 449 void get (uint32 &i) { i = get_sint64 (); }
402 void get (sint64 &i) { i = get_sint64 (); } 450 void get (sint64 &i) { i = get_sint64 (); }
403 451
452 MTH void parse_warn (const char *msg);
404 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 453 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
454
455 struct delayed_ref {
456 attachable *op;
457 object_ptr *ptr;
458 const char *ref;
459 };
460 std::vector<delayed_ref> delrefs;
461
462 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
463 MTH void resolve_delayed_derefs (bool deref = true);
405}; 464};
406 465
407//TODO: remove 466//TODO: remove
408char *fgets (char *s, int n, object_thawer &thawer); 467char *fgets (char *s, int n, object_thawer &thawer);
409 468
410////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 469//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
411 470
412struct coroapi { 471struct coroapi {
413 static struct CoroAPI *GCoroAPI; 472 static struct CoroAPI *GCoroAPI;
414 473
474 static EV_ATOMIC_T cede_pending;
475
415 static int nready () { return CORO_NREADY; } 476 static int nready () { return CORO_NREADY; }
416 static int cede () { return CORO_CEDE ; } 477 static int cede () { cede_pending = 0; return CORO_CEDE ; }
417 478
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 (); 479 static void do_cede_to_tick ();
424 static void do_cede_to_tick_every ();
425 480
426 static void cede_every (int count) 481 // 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 () 482 static bool cede_to_tick ()
433 { 483 {
434 if (expect_false (time () >= next_cede)) 484 if (expect_true (!cede_pending))
485 return false;
486
435 do_cede_to_tick (); 487 do_cede_to_tick ();
436 } 488 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 } 489 }
443 490
444 static void wait_for_tick (); 491 static void wait_for_tick ();
445 static void wait_for_tick_begin (); 492 static void wait_for_tick_begin ();
446}; 493};
447 494
448struct watcher_base 495struct evapi
449{ 496{
450 static struct EventAPI *GEventAPI; 497 static struct EVAPI *GEVAPI;
451}; 498};
452 499
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)> 500struct iow : ev_io, evapi, callback<void (iow &, int)>
489{ 501{
502 static void thunk (EV_P_ struct ev_io *w_, int revents)
503 {
504 iow &w = *static_cast<iow *>(w_);
505
506 w (w, revents);
507 }
508
490 template<class O, class M> 509 template<class O, class M>
491 iow (O object, M method) 510 iow (O object, M method)
492 : callback<void (iow &, int)> (object, method) 511 : callback<void (iow &, int)> (object, method)
493 { 512 {
494 alloc (); 513 ev_init ((ev_io *)this, thunk);
495 } 514 }
496 515
497 void fd (int fd); 516 void prio (int prio)
498 int poll (); 517 {
518 ev_set_priority ((ev_io *)this, prio);
519 }
520
521 void set (int fd, int events)
522 {
523 ev_io_set ((ev_io *)this, fd, events);
524 }
525
526 int poll () const { return events; }
527
499 void poll (int events); 528 void poll (int events);
500 529
501private: 530 void start ()
502 void alloc (); 531 {
532 ev_io_start (EV_DEFAULT, (ev_io *)this);
533 }
534
535 void stop ()
536 {
537 ev_io_stop (EV_DEFAULT, (ev_io *)this);
538 }
539
540 ~iow ()
541 {
542 stop ();
543 }
544};
545
546struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
547{
548 static void thunk (EV_P_ struct ev_async *w_, int revents)
549 {
550 asyncw &w = *static_cast<asyncw *>(w_);
551
552 w (w, revents);
553 }
554
555 template<class O, class M>
556 asyncw (O object, M method)
557 : callback<void (asyncw &, int)> (object, method)
558 {
559 ev_init ((ev_async *)this, thunk);
560 }
561
562 void start ()
563 {
564 ev_async_start (EV_DEFAULT, (ev_async *)this);
565 }
566
567 void stop ()
568 {
569 ev_async_stop (EV_DEFAULT, (ev_async *)this);
570 }
571
572 ~asyncw ()
573 {
574 stop ();
575 }
503}; 576};
504 577
505#endif 578#endif
506 579

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