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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.71 by root, Mon May 28 03:47:44 2007 UTC vs.
Revision 1.94 by root, Wed Apr 2 11:13:54 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\n", __func__, SvPVutf8_nolen (ERRSV));
… …
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
73// virtual server time, excluding time jumps and lag 105extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 106extern tstamp NOW; // real time of current server tick
75 107
76enum event_klass 108enum event_klass
77{ 109{
78 KLASS_NONE, 110 KLASS_NONE,
79 KLASS_GLOBAL, 111 KLASS_GLOBAL,
… …
129int cfperl_result_INT (int idx); 161int cfperl_result_INT (int idx);
130 162
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 163//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 164
133INTERFACE_CLASS (attachable) 165INTERFACE_CLASS (attachable)
134struct attachable 166struct attachable : refcnt_base
135{ 167{
136 static MGVTBL vtbl; 168 static MGVTBL vtbl;
137 169
138 static unordered_vector<attachable *> mortals; 170 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals (); 171 MTH static void check_mortals ();
140 172
141 enum { 173 enum {
142 F_DESTROYED = 0x01, 174 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 175 F_DEBUG_TRACE = 0x02,
144 }; 176 };
177 int ACC (RW, flags);
145 178
146 // object is delete'd after the refcount reaches 0 179 // 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; 180 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 181 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 182 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 183
157 // destroy the object unless it was already destroyed 184 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 185 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 186 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 187 MTH void destroy ();
… …
176 203
177 void sever_self (); // sever this object from its self, if it has one. 204 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 205 void optimise (); // possibly save some memory by destroying unneeded data
179 206
180 attachable () 207 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 208 : flags (0), self (0), cb (0), attach (0)
182 { 209 {
183 } 210 }
184 211
185 attachable (const attachable &src) 212 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 213 : flags (0), self (0), cb (0), attach (src.attach)
187 { 214 {
188 } 215 }
189 216
190 virtual ~attachable (); 217 // set a custom key to the given value, or delete it if value = 0
218 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
219
220 void set_key_text (const char *key, const char *value = 0)
221 {
222 set_key (key, value, 1);
223 }
224
225 void set_key_data (const char *key, const char *value = 0)
226 {
227 set_key (key, value, 0);
228 }
191 229
192 attachable &operator =(const attachable &src); 230 attachable &operator =(const attachable &src);
193 231
194 // used to _quickly_ device wether to shortcut the evaluation 232 // used to _quickly_ device wether to shortcut the evaluation
195 bool should_invoke (event_type event) 233 bool should_invoke (event_type event)
… …
206 // do the real refcount checking work 244 // do the real refcount checking work
207 void do_check (); 245 void do_check ();
208 246
209 // the method that does the real destroy work 247 // the method that does the real destroy work
210 virtual void do_destroy (); 248 virtual void do_destroy ();
249
250 // destructor is protected, should not be called by anybody
251 virtual ~attachable ();
211}; 252};
212 253
213// the global object is a pseudo object that cares for the global events 254// the global object is a pseudo object that cares for the global events
214struct global : attachable 255struct global : attachable
215{ 256{
… …
218 259
219extern struct global gbl_ev; 260extern struct global gbl_ev;
220 261
221////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 262//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222 263
264INTERFACE_CLASS(object_freezer)
223struct object_freezer : dynbuf_text 265struct object_freezer : dynbuf_text
224{ 266{
225 AV *av; 267 AV *av;
226 268
227 object_freezer (); 269 object_freezer ();
… …
239 281
240 add ('\n'); 282 add ('\n');
241 } 283 }
242 284
243 template<typename T> 285 template<typename T>
244 void put_string (keyword k, const T &v) 286 void put_kw_string (keyword k, const T &v)
245 { 287 {
246 int klen = keyword_len [k]; 288 int klen = keyword_len [k];
247 int vlen = v ? strlen (v) + 1 : 0; 289 int vlen = v ? strlen (v) + 1 : 0;
248 290
249 char *p = (char *)alloc (klen + vlen + 1); 291 char *p = (char *)alloc (klen + vlen + 1);
… …
259 *p = '\n'; 301 *p = '\n';
260 } 302 }
261 303
262 void put (keyword k, const char *v = 0) 304 void put (keyword k, const char *v = 0)
263 { 305 {
264 put_string (k, v); 306 put_kw_string (k, v);
265 } 307 }
266 308
267 void put (keyword k, const shstr &v) 309 void put (keyword k, const shstr &v)
268 { 310 {
269 put_string (k, v); 311 put_kw_string (k, v);
270 } 312 }
271 313
272 void put (keyword k, double v) 314 void put (keyword k, double v)
273 { 315 {
274 force (MAX_KEYWORD_LEN + 2 + 32); 316 force (MAX_KEYWORD_LEN + 2 + 32);
… …
292 force (MAX_KEYWORD_LEN + 2 + sint32_digits); 334 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
293 fadd (keyword_str [k], keyword_len [k]); 335 fadd (keyword_str [k], keyword_len [k]);
294 fadd (' '); 336 fadd (' ');
295 add (v); 337 add (v);
296 fadd ('\n'); 338 fadd ('\n');
297 }
298
299 void put (keyword kbeg, keyword kend, const shstr &v)
300 {
301 force (MAX_KEYWORD_LEN + 1);
302 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
303
304 if (expect_true (v))
305 {
306 add (v);
307 add ('\n');
308 }
309
310 force (MAX_KEYWORD_LEN + 1);
311 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
312 } 339 }
313 340
314 void put (keyword k, float v) { put (k, (double)v); } 341 void put (keyword k, float v) { put (k, (double)v); }
315 void put (keyword k, signed char v) { put_(k, (sint32)v); } 342 void put (keyword k, signed char v) { put_(k, (sint32)v); }
316 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 343 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
321 void put (keyword k, signed long v) { put_(k, (sint64)v); } 348 void put (keyword k, signed long v) { put_(k, (sint64)v); }
322 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 349 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
323 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 350 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
324 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 351 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
325 352
326 template<typename T> 353 void put (keyword kbeg, keyword kend, const shstr &v)
327 void put (keyword k, const T *v)
328 { 354 {
355 force (MAX_KEYWORD_LEN + 1);
356 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
357
329 if (expect_true (v)) 358 if (expect_true (v))
330 put (k, v->name); 359 {
331 else 360 add (v);
332 put (k, (const char *)0); 361 add ('\n');
362 }
363
364 force (MAX_KEYWORD_LEN + 1);
365 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
333 } 366 }
367
368 void put (keyword k, archetype *v);
369 void put (keyword k, treasurelist *v);
370 void put (keyword k, faceinfo *v);
334 371
335 template<typename T> 372 template<typename T>
336 void put (keyword k, const refptr<T> &v) 373 void put (keyword k, const refptr<T> &v)
337 { 374 {
338 put (k, (T *)v); 375 put (k, (T *)v);
339 } 376 }
340 377
341 bool save (const char *path); 378 MTH bool save (const_octet_string path);
342 char *as_string (); // like strdup 379 char *as_string (); // like strdup
343 380
344 operator bool () { return !!av; } 381 operator bool () { return !!av; }
345}; 382};
346 383
384INTERFACE_CLASS(object_thawer)
347struct object_thawer 385struct object_thawer
348{ 386{
349 char *line; // current beginning of line 387 char *line; // current beginning of line
350 SV *text; // text part 388 SV *text; // text part
351 AV *av; // perl part 389 AV *av; // perl part
352 int linenum; 390 int linenum;
353 keyword kw; 391 keyword kw;
354 char *kw_str; // the keyword parsed, as string 392 char *kw_str; // the keyword parsed, as string
355 char *value; // the value, or 0 if no value 393 char *value; // the value, or 0 if no value
356 char *value_nn; // the value, or the empty string if no value 394 const char *value_nn; // the value, or the empty string if no value
357 const char *name; 395 const char *name;
358 396
359 operator bool () { return !!text; } 397 operator bool () const { return !!text; }
360 398
361 object_thawer (const char *path = 0); 399 object_thawer (const char *path = 0);
362 object_thawer (const char *data, AV *perlav); 400 object_thawer (const char *data, AV *perlav);
363 ~object_thawer (); 401 ~object_thawer ();
364 402
365 void get (attachable *obj, int oid); 403 void get (attachable *obj, int oid);
366 404
367 // parse next line 405 // parse next line
368 void next (); 406 MTH void next ();
369 // skip the current key-value (usually fetch next line, for 407 // skip the current key-value (usually fetch next line, for
370 // multiline-fields, skips untilt he corresponding end-kw 408 // multiline-fields, skips till the corresponding end-kw
371 void skip (); 409 MTH void skip ();
372 410 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 }
379 411
380 char *get_str () { return value; } // may be 0 412 char *get_str () { return value; } // may be 0
381 void get_ml (keyword kend, shstr &sh); 413 void get_ml (keyword kend, shstr &sh);
382 414
383 void get_ornull (shstr &sh) const { sh = value; } 415 void get_ornull (shstr &sh) const { sh = value; }
… …
399 void get (sint32 &i) { i = get_sint32 (); } 431 void get (sint32 &i) { i = get_sint32 (); }
400 432
401 void get (uint32 &i) { i = get_sint64 (); } 433 void get (uint32 &i) { i = get_sint64 (); }
402 void get (sint64 &i) { i = get_sint64 (); } 434 void get (sint64 &i) { i = get_sint64 (); }
403 435
436 MTH void parse_warn (const char *msg);
404 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 437 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
438
439 struct delayed_ref {
440 attachable *op;
441 object_ptr *ptr;
442 const char *ref;
443 };
444 std::vector<delayed_ref> delrefs;
445
446 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
447 MTH void resolve_delayed_derefs (bool deref = true);
405}; 448};
406 449
407//TODO: remove 450//TODO: remove
408char *fgets (char *s, int n, object_thawer &thawer); 451char *fgets (char *s, int n, object_thawer &thawer);
409 452
410////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 453//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
411 454
412struct coroapi { 455struct coroapi {
413 static struct CoroAPI *GCoroAPI; 456 static struct CoroAPI *GCoroAPI;
414 457
458 static EV_ATOMIC_T cede_pending;
459
415 static int nready () { return CORO_NREADY; } 460 static int nready () { return CORO_NREADY; }
416 static int cede () { return CORO_CEDE ; } 461 static int cede () { cede_pending = 0; return CORO_CEDE ; }
417 462
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 (); 463 static void do_cede_to_tick ();
424 static void do_cede_to_tick_every ();
425 464
426 static void cede_every (int count) 465 // 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 () 466 static bool cede_to_tick ()
433 { 467 {
434 if (expect_false (time () >= next_cede)) 468 if (expect_true (!cede_pending))
469 return false;
470
435 do_cede_to_tick (); 471 do_cede_to_tick ();
436 } 472 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 } 473 }
443 474
444 static void wait_for_tick (); 475 static void wait_for_tick ();
445 static void wait_for_tick_begin (); 476 static void wait_for_tick_begin ();
446}; 477};
447 478
448struct watcher_base 479struct evapi
449{ 480{
450 static struct EventAPI *GEventAPI; 481 static struct EVAPI *GEVAPI;
451}; 482};
452 483
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)> 484struct iow : ev_io, evapi, callback<void (iow &, int)>
489{ 485{
486 static void thunk (EV_P_ struct ev_io *w_, int revents)
487 {
488 iow &w = *static_cast<iow *>(w_);
489
490 w (w, revents);
491 }
492
490 template<class O, class M> 493 template<class O, class M>
491 iow (O object, M method) 494 iow (O object, M method)
492 : callback<void (iow &, int)> (object, method) 495 : callback<void (iow &, int)> (object, method)
493 { 496 {
494 alloc (); 497 ev_init ((ev_io *)this, thunk);
495 } 498 }
496 499
497 void fd (int fd); 500 void prio (int prio)
498 int poll (); 501 {
502 ev_set_priority ((ev_io *)this, prio);
503 }
504
505 void set (int fd, int events)
506 {
507 ev_io_set ((ev_io *)this, fd, events);
508 }
509
510 int poll () const { return events; }
511
499 void poll (int events); 512 void poll (int events);
500 513
501private: 514 void start ()
502 void alloc (); 515 {
516 ev_io_start (EV_DEFAULT, (ev_io *)this);
517 }
518
519 void stop ()
520 {
521 ev_io_stop (EV_DEFAULT, (ev_io *)this);
522 }
523
524 ~iow ()
525 {
526 stop ();
527 }
528};
529
530struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
531{
532 static void thunk (EV_P_ struct ev_async *w_, int revents)
533 {
534 asyncw &w = *static_cast<asyncw *>(w_);
535
536 w (w, revents);
537 }
538
539 template<class O, class M>
540 asyncw (O object, M method)
541 : callback<void (asyncw &, int)> (object, method)
542 {
543 ev_init ((ev_async *)this, thunk);
544 }
545
546 void start ()
547 {
548 ev_async_start (EV_DEFAULT, (ev_async *)this);
549 }
550
551 void stop ()
552 {
553 ev_async_stop (EV_DEFAULT, (ev_async *)this);
554 }
555
556 ~asyncw ()
557 {
558 stop ();
559 }
503}; 560};
504 561
505#endif 562#endif
506 563

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