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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 1.95 by root, Fri Apr 11 13:59:06 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# define newSVval64 newSVnv
115# define SvVAL64 SvNV
116# define newSVuval64 newSVnv
117# define SvUVAL64 SvNV
118#endif
119
73// virtual server time, excluding time jumps and lag 120extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 121extern tstamp NOW; // real time of current server tick
75 122
76enum event_klass 123enum event_klass
77{ 124{
78 KLASS_NONE, 125 KLASS_NONE,
79 KLASS_GLOBAL, 126 KLASS_GLOBAL,
… …
129int cfperl_result_INT (int idx); 176int cfperl_result_INT (int idx);
130 177
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 178//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 179
133INTERFACE_CLASS (attachable) 180INTERFACE_CLASS (attachable)
134struct attachable 181struct attachable : refcnt_base
135{ 182{
136 static MGVTBL vtbl; 183 static MGVTBL vtbl;
137 184
138 static unordered_vector<attachable *> mortals; 185 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals (); 186 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 int ACC (RW, flags);
145 193
146 // object is delete'd after the refcount reaches 0 194 // 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; 195 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 196 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 197 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 198
157 // destroy the object unless it was already destroyed 199 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 200 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 201 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 202 MTH void destroy ();
… …
176 218
177 void sever_self (); // sever this object from its self, if it has one. 219 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 220 void optimise (); // possibly save some memory by destroying unneeded data
179 221
180 attachable () 222 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 223 : flags (0), self (0), cb (0), attach (0)
182 { 224 {
183 } 225 }
184 226
185 attachable (const attachable &src) 227 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 228 : flags (0), self (0), cb (0), attach (src.attach)
187 { 229 {
188 } 230 }
189 231
190 virtual ~attachable (); 232 // set a custom key to the given value, or delete it if value = 0
233 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
234
235 void set_key_text (const char *key, const char *value = 0)
236 {
237 set_key (key, value, 1);
238 }
239
240 void set_key_data (const char *key, const char *value = 0)
241 {
242 set_key (key, value, 0);
243 }
191 244
192 attachable &operator =(const attachable &src); 245 attachable &operator =(const attachable &src);
193 246
194 // used to _quickly_ device wether to shortcut the evaluation 247 // used to _quickly_ device wether to shortcut the evaluation
195 bool should_invoke (event_type event) 248 bool should_invoke (event_type event)
… …
206 // do the real refcount checking work 259 // do the real refcount checking work
207 void do_check (); 260 void do_check ();
208 261
209 // the method that does the real destroy work 262 // the method that does the real destroy work
210 virtual void do_destroy (); 263 virtual void do_destroy ();
264
265 // destructor is protected, should not be called by anybody
266 virtual ~attachable ();
211}; 267};
212 268
213// the global object is a pseudo object that cares for the global events 269// the global object is a pseudo object that cares for the global events
214struct global : attachable 270struct global : attachable
215{ 271{
… …
218 274
219extern struct global gbl_ev; 275extern struct global gbl_ev;
220 276
221////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 277//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222 278
279INTERFACE_CLASS(object_freezer)
223struct object_freezer : dynbuf_text 280struct object_freezer : dynbuf_text
224{ 281{
225 AV *av; 282 AV *av;
226 283
227 object_freezer (); 284 object_freezer ();
… …
239 296
240 add ('\n'); 297 add ('\n');
241 } 298 }
242 299
243 template<typename T> 300 template<typename T>
244 void put_string (keyword k, const T &v) 301 void put_kw_string (keyword k, const T &v)
245 { 302 {
246 int klen = keyword_len [k]; 303 int klen = keyword_len [k];
247 int vlen = v ? strlen (v) + 1 : 0; 304 int vlen = v ? strlen (v) + 1 : 0;
248 305
249 char *p = (char *)alloc (klen + vlen + 1); 306 char *p = (char *)alloc (klen + vlen + 1);
… …
259 *p = '\n'; 316 *p = '\n';
260 } 317 }
261 318
262 void put (keyword k, const char *v = 0) 319 void put (keyword k, const char *v = 0)
263 { 320 {
264 put_string (k, v); 321 put_kw_string (k, v);
265 } 322 }
266 323
267 void put (keyword k, const shstr &v) 324 void put (keyword k, const shstr &v)
268 { 325 {
269 put_string (k, v); 326 put_kw_string (k, v);
270 } 327 }
271 328
272 void put (keyword k, double v) 329 void put (keyword k, double v)
273 { 330 {
274 force (MAX_KEYWORD_LEN + 2 + 32); 331 force (MAX_KEYWORD_LEN + 2 + 32);
… …
321 378
322 force (MAX_KEYWORD_LEN + 1); 379 force (MAX_KEYWORD_LEN + 1);
323 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 380 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
324 } 381 }
325 382
326 template<typename T> 383 void put (keyword k, archetype *v);
384 void put (keyword k, treasurelist *v);
327 void put (keyword k, const T *v) 385 void put (keyword k, faceinfo *v);
328 {
329 if (v)
330 put (k, v->name);
331 else
332 put (k, (const char *)0);
333 }
334 386
335 template<typename T> 387 template<typename T>
336 void put (keyword k, const refptr<T> &v) 388 void put (keyword k, const refptr<T> &v)
337 { 389 {
338 put (k, (T *)v); 390 put (k, (T *)v);
339 } 391 }
340 392
341 bool save (const char *path); 393 MTH bool save (const_octet_string path);
342 char *as_string (); // like strdup 394 char *as_string (); // like strdup
343 395
344 operator bool () { return !!av; } 396 operator bool () { return !!av; }
345}; 397};
346 398
399INTERFACE_CLASS(object_thawer)
347struct object_thawer 400struct object_thawer
348{ 401{
349 char *line; // current beginning of line 402 char *line; // current beginning of line
350 SV *text; // text part 403 SV *text; // text part
351 AV *av; // perl part 404 AV *av; // perl part
352 int linenum; 405 int linenum;
353 keyword kw; 406 keyword kw;
354 char *kw_str; // the keyword parsed, as string 407 char *kw_str; // the keyword parsed, as string
355 char *value; // the value, or 0 if no value 408 char *value; // the value, or 0 if no value
356 char *value_nn; // the value, or the empty string if no value 409 const char *value_nn; // the value, or the empty string if no value
357 const char *name; 410 const char *name;
358 411
359 operator bool () { return !!text; } 412 operator bool () const { return !!text; }
360 413
361 object_thawer (const char *path = 0); 414 object_thawer (const char *path = 0);
362 object_thawer (const char *data, AV *perlav); 415 object_thawer (const char *data, AV *perlav);
363 ~object_thawer (); 416 ~object_thawer ();
364 417
365 void get (attachable *obj, int oid); 418 void get (attachable *obj, int oid);
366 419
367 // parse next line 420 // parse next line
368 void next (); 421 MTH void next ();
369 // skip the current key-value (usually fetch next line, for 422 // skip the current key-value (usually fetch next line, for
370 // multiline-fields, skips till the corresponding end-kw 423 // multiline-fields, skips till the corresponding end-kw
371 void skip (); 424 MTH void skip ();
425 MTH void skip_block (); // skips till and over KW_end
372 426
373 char *get_str () { return value; } // may be 0 427 char *get_str () { return value; } // may be 0
374 void get_ml (keyword kend, shstr &sh); 428 void get_ml (keyword kend, shstr &sh);
375 429
376 void get_ornull (shstr &sh) const { sh = value; } 430 void get_ornull (shstr &sh) const { sh = value; }
… …
392 void get (sint32 &i) { i = get_sint32 (); } 446 void get (sint32 &i) { i = get_sint32 (); }
393 447
394 void get (uint32 &i) { i = get_sint64 (); } 448 void get (uint32 &i) { i = get_sint64 (); }
395 void get (sint64 &i) { i = get_sint64 (); } 449 void get (sint64 &i) { i = get_sint64 (); }
396 450
451 MTH void parse_warn (const char *msg);
397 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 452 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
453
454 struct delayed_ref {
455 attachable *op;
456 object_ptr *ptr;
457 const char *ref;
458 };
459 std::vector<delayed_ref> delrefs;
460
461 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
462 MTH void resolve_delayed_derefs (bool deref = true);
398}; 463};
399 464
400//TODO: remove 465//TODO: remove
401char *fgets (char *s, int n, object_thawer &thawer); 466char *fgets (char *s, int n, object_thawer &thawer);
402 467
403////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 468//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
404 469
405struct coroapi { 470struct coroapi {
406 static struct CoroAPI *GCoroAPI; 471 static struct CoroAPI *GCoroAPI;
407 472
473 static EV_ATOMIC_T cede_pending;
474
408 static int nready () { return CORO_NREADY; } 475 static int nready () { return CORO_NREADY; }
409 static int cede () { return CORO_CEDE ; } 476 static int cede () { cede_pending = 0; return CORO_CEDE ; }
410 477
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 (); 478 static void do_cede_to_tick ();
417 static void do_cede_to_tick_every ();
418 479
419 static void cede_every (int count) 480 // 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 () 481 static bool cede_to_tick ()
426 { 482 {
427 if (expect_false (time () >= next_cede)) 483 if (expect_true (!cede_pending))
484 return false;
485
428 do_cede_to_tick (); 486 do_cede_to_tick ();
429 } 487 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 } 488 }
436 489
437 static void wait_for_tick (); 490 static void wait_for_tick ();
438 static void wait_for_tick_begin (); 491 static void wait_for_tick_begin ();
439}; 492};
440 493
441struct watcher_base 494struct evapi
442{ 495{
443 static struct EventAPI *GEventAPI; 496 static struct EVAPI *GEVAPI;
444}; 497};
445 498
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)> 499struct iow : ev_io, evapi, callback<void (iow &, int)>
482{ 500{
501 static void thunk (EV_P_ struct ev_io *w_, int revents)
502 {
503 iow &w = *static_cast<iow *>(w_);
504
505 w (w, revents);
506 }
507
483 template<class O, class M> 508 template<class O, class M>
484 iow (O object, M method) 509 iow (O object, M method)
485 : callback<void (iow &, int)> (object, method) 510 : callback<void (iow &, int)> (object, method)
486 { 511 {
487 alloc (); 512 ev_init ((ev_io *)this, thunk);
488 } 513 }
489 514
490 void fd (int fd); 515 void prio (int prio)
491 int poll (); 516 {
517 ev_set_priority ((ev_io *)this, prio);
518 }
519
520 void set (int fd, int events)
521 {
522 ev_io_set ((ev_io *)this, fd, events);
523 }
524
525 int poll () const { return events; }
526
492 void poll (int events); 527 void poll (int events);
493 528
494private: 529 void start ()
495 void alloc (); 530 {
531 ev_io_start (EV_DEFAULT, (ev_io *)this);
532 }
533
534 void stop ()
535 {
536 ev_io_stop (EV_DEFAULT, (ev_io *)this);
537 }
538
539 ~iow ()
540 {
541 stop ();
542 }
543};
544
545struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
546{
547 static void thunk (EV_P_ struct ev_async *w_, int revents)
548 {
549 asyncw &w = *static_cast<asyncw *>(w_);
550
551 w (w, revents);
552 }
553
554 template<class O, class M>
555 asyncw (O object, M method)
556 : callback<void (asyncw &, int)> (object, method)
557 {
558 ev_init ((ev_async *)this, thunk);
559 }
560
561 void start ()
562 {
563 ev_async_start (EV_DEFAULT, (ev_async *)this);
564 }
565
566 void stop ()
567 {
568 ev_async_stop (EV_DEFAULT, (ev_async *)this);
569 }
570
571 ~asyncw ()
572 {
573 stop ();
574 }
496}; 575};
497 576
498#endif 577#endif
499 578

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