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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.67 by root, Sun May 27 23:14:37 2007 UTC vs.
Revision 1.93 by root, Sun Jan 13 12:14:52 2008 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007 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));
… …
65void cfperl_init (); 94void cfperl_init ();
66void cfperl_main (); 95void cfperl_main ();
67void cfperl_emergency_save (); 96void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 97void cfperl_cleanup (int make_core);
69void cfperl_make_book (object *book, int level); 98void cfperl_make_book (object *book, int level);
99void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
100int cfperl_can_merge (object *ob1, object *ob2);
70 101
71////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 102//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
72 103
73// virtual server time, excluding time jumps and lag 104extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 105extern tstamp NOW; // real time of current server tick
75 106
76enum event_klass 107enum event_klass
77{ 108{
78 KLASS_NONE, 109 KLASS_NONE,
79 KLASS_GLOBAL, 110 KLASS_GLOBAL,
… …
129int cfperl_result_INT (int idx); 160int cfperl_result_INT (int idx);
130 161
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 162//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 163
133INTERFACE_CLASS (attachable) 164INTERFACE_CLASS (attachable)
134struct attachable 165struct attachable : refcnt_base
135{ 166{
136 static MGVTBL vtbl; 167 static MGVTBL vtbl;
137 168
138 static unordered_vector<attachable *> mortals; 169 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals (); 170 MTH static void check_mortals ();
140 171
141 enum { 172 enum {
142 F_DESTROYED = 0x01, 173 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 174 F_DEBUG_TRACE = 0x02,
144 }; 175 };
176 int ACC (RW, flags);
145 177
146 // object is delete'd after the refcount reaches 0 178 // 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; 179 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 180 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 182
157 // destroy the object unless it was already destroyed 183 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 184 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 185 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 186 MTH void destroy ();
… …
176 202
177 void sever_self (); // sever this object from its self, if it has one. 203 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 204 void optimise (); // possibly save some memory by destroying unneeded data
179 205
180 attachable () 206 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 207 : flags (0), self (0), cb (0), attach (0)
182 { 208 {
183 } 209 }
184 210
185 attachable (const attachable &src) 211 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 212 : flags (0), self (0), cb (0), attach (src.attach)
187 { 213 {
188 } 214 }
189 215
190 virtual ~attachable (); 216 // set a custom key to the given value, or delete it if value = 0
217 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
218
219 void set_key_text (const char *key, const char *value = 0)
220 {
221 set_key (key, value, 1);
222 }
223
224 void set_key_data (const char *key, const char *value = 0)
225 {
226 set_key (key, value, 0);
227 }
191 228
192 attachable &operator =(const attachable &src); 229 attachable &operator =(const attachable &src);
193 230
194 // used to _quickly_ device wether to shortcut the evaluation 231 // used to _quickly_ device wether to shortcut the evaluation
195 bool should_invoke (event_type event) 232 bool should_invoke (event_type event)
… …
206 // do the real refcount checking work 243 // do the real refcount checking work
207 void do_check (); 244 void do_check ();
208 245
209 // the method that does the real destroy work 246 // the method that does the real destroy work
210 virtual void do_destroy (); 247 virtual void do_destroy ();
248
249 // destructor is protected, should not be called by anybody
250 virtual ~attachable ();
211}; 251};
212 252
213// the global object is a pseudo object that cares for the global events 253// the global object is a pseudo object that cares for the global events
214struct global : attachable 254struct global : attachable
215{ 255{
… …
218 258
219extern struct global gbl_ev; 259extern struct global gbl_ev;
220 260
221////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 261//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222 262
263INTERFACE_CLASS(object_freezer)
223struct object_freezer : dynbuf_text 264struct object_freezer : dynbuf_text
224{ 265{
225 AV *av; 266 AV *av;
226 267
227 object_freezer (); 268 object_freezer ();
… …
238 add (' '), add (v); 279 add (' '), add (v);
239 280
240 add ('\n'); 281 add ('\n');
241 } 282 }
242 283
243 //TODO//temporary, used only for saving body locations
244 void put (const char *k, int v)
245 {
246 add (k);
247 add (' ');
248 add (sint32 (v));
249 add ('\n');
250 }
251
252 template<typename T> 284 template<typename T>
253 void put_string (keyword k, const T &v) 285 void put_kw_string (keyword k, const T &v)
254 { 286 {
255 int klen = keyword_len [k]; 287 int klen = keyword_len [k];
256 int vlen = v ? strlen (v) + 1 : 0; 288 int vlen = v ? strlen (v) + 1 : 0;
257 289
258 char *p = (char *)alloc (klen + vlen + 1); 290 char *p = (char *)alloc (klen + vlen + 1);
… …
268 *p = '\n'; 300 *p = '\n';
269 } 301 }
270 302
271 void put (keyword k, const char *v = 0) 303 void put (keyword k, const char *v = 0)
272 { 304 {
273 put_string (k, v); 305 put_kw_string (k, v);
274 } 306 }
275 307
276 void put (keyword k, const shstr &v) 308 void put (keyword k, const shstr &v)
277 { 309 {
278 put_string (k, v); 310 put_kw_string (k, v);
279 } 311 }
280 312
281 void put (keyword k, double v) 313 void put (keyword k, double v)
282 { 314 {
283 char buf [128]; 315 force (MAX_KEYWORD_LEN + 2 + 32);
284 316 fadd (keyword_str [k], keyword_len [k]);
285 snprintf (buf, 128, "%.7g", v); 317 fadd (' ');
286 318 falloc (sprintf (ptr, "%.7g", v));
287 put (k, (const char *)buf); 319 fadd ('\n');
288 } 320 }
289 321
290 void put_(keyword k, sint64 v) 322 void put_(keyword k, sint64 v)
291 { 323 {
324 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
292 add (keyword_str [k], keyword_len [k]); 325 fadd (keyword_str [k], keyword_len [k]);
293 add (' '); 326 fadd (' ');
294 add (v); 327 add (v);
295 add ('\n'); 328 fadd ('\n');
296 } 329 }
297 330
298 void put_(keyword k, sint32 v) 331 void put_(keyword k, sint32 v)
299 { 332 {
333 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
300 add (keyword_str [k], keyword_len [k]); 334 fadd (keyword_str [k], keyword_len [k]);
301 add (' '); 335 fadd (' ');
302 add (v); 336 add (v);
303 add ('\n'); 337 fadd ('\n');
304 }
305
306 void put (keyword kbeg, keyword kend, const shstr &v)
307 {
308 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
309
310 if (expect_true (v))
311 {
312 add (v);
313 add ('\n');
314 }
315
316 add (keyword_str [kend], keyword_len [kend]); add ('\n');
317 } 338 }
318 339
319 void put (keyword k, float v) { put (k, (double)v); } 340 void put (keyword k, float v) { put (k, (double)v); }
320 void put (keyword k, signed char v) { put_(k, (sint32)v); } 341 void put (keyword k, signed char v) { put_(k, (sint32)v); }
321 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 342 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
326 void put (keyword k, signed long v) { put_(k, (sint64)v); } 347 void put (keyword k, signed long v) { put_(k, (sint64)v); }
327 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 348 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
328 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 349 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
329 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 350 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
330 351
331 template<typename T> 352 void put (keyword kbeg, keyword kend, const shstr &v)
332 void put (keyword k, const T *v)
333 { 353 {
354 force (MAX_KEYWORD_LEN + 1);
355 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
356
334 if (expect_true (v)) 357 if (expect_true (v))
335 put (k, v->name); 358 {
336 else 359 add (v);
337 put (k, (const char *)0); 360 add ('\n');
361 }
362
363 force (MAX_KEYWORD_LEN + 1);
364 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
338 } 365 }
366
367 void put (keyword k, archetype *v);
368 void put (keyword k, treasurelist *v);
369 void put (keyword k, faceinfo *v);
339 370
340 template<typename T> 371 template<typename T>
341 void put (keyword k, const refptr<T> &v) 372 void put (keyword k, const refptr<T> &v)
342 { 373 {
343 put (k, (T *)v); 374 put (k, (T *)v);
344 } 375 }
345 376
346 bool save (const char *path); 377 MTH bool save (const_octet_string path);
347 char *as_string (); // like strdup 378 char *as_string (); // like strdup
348 379
349 operator bool () { return !!av; } 380 operator bool () { return !!av; }
350}; 381};
351 382
383INTERFACE_CLASS(object_thawer)
352struct object_thawer 384struct object_thawer
353{ 385{
354 char *line; // current beginning of line 386 char *line; // current beginning of line
355 SV *text; // text part 387 SV *text; // text part
356 AV *av; // perl part 388 AV *av; // perl part
357 int linenum; 389 int linenum;
358 keyword kw; 390 keyword kw;
359 char *kw_str; // the keyword parsed, as string 391 char *kw_str; // the keyword parsed, as string
360 char *value; // the value, or 0 if no value 392 char *value; // the value, or 0 if no value
361 char *value_nn; // the value, or the empty string if no value 393 const char *value_nn; // the value, or the empty string if no value
362 const char *name; 394 const char *name;
363 395
364 operator bool () { return !!text; } 396 operator bool () const { return !!text; }
365 397
366 object_thawer (const char *path = 0); 398 object_thawer (const char *path = 0);
367 object_thawer (const char *data, AV *perlav); 399 object_thawer (const char *data, AV *perlav);
368 ~object_thawer (); 400 ~object_thawer ();
369 401
370 void get (attachable *obj, int oid); 402 void get (attachable *obj, int oid);
371 403
372 // parse next line 404 // parse next line
373 void next (); 405 MTH void next ();
374 // skip the current key-value (usually fetch next line, for 406 // skip the current key-value (usually fetch next line, for
375 // multiline-fields, skips untilt he corresponding end-kw 407 // multiline-fields, skips till the corresponding end-kw
376 void skip (); 408 MTH void skip ();
377 409 MTH void skip_block (); // skips till and over KW_end
378 //TODO: remove, deprecated
379 keyword get_kv ()
380 {
381 next ();
382 return kw;
383 }
384 410
385 char *get_str () { return value; } // may be 0 411 char *get_str () { return value; } // may be 0
386 void get_ml (keyword kend, shstr &sh); 412 void get_ml (keyword kend, shstr &sh);
387 413
388 void get_ornull (shstr &sh) const { sh = value; } 414 void get_ornull (shstr &sh) const { sh = value; }
389 void get (shstr &sh) const { sh = value; } // might want to check for non-null here 415 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
390 416
391 bool get_bool () const { return *value_nn == '1'; } 417 bool get_bool () const { return *value_nn == '1'; }
392 sint32 get_sint32 () const; 418 sint32 get_sint32 () const;
393 sint64 get_sint64 () const { return atoll (value_nn); } 419 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
394 double get_double () const { return atof (value_nn); } 420 double get_double () const { return strtod (value_nn, 0); }
395 421
396 void get (float &v) { v = get_double (); } 422 void get (float &v) { v = get_double (); }
397 void get (double &v) { v = get_double (); } 423 void get (double &v) { v = get_double (); }
398 424
399 void get (bool &i) { i = get_bool (); } 425 void get (bool &i) { i = get_bool (); }
… …
404 void get (sint32 &i) { i = get_sint32 (); } 430 void get (sint32 &i) { i = get_sint32 (); }
405 431
406 void get (uint32 &i) { i = get_sint64 (); } 432 void get (uint32 &i) { i = get_sint64 (); }
407 void get (sint64 &i) { i = get_sint64 (); } 433 void get (sint64 &i) { i = get_sint64 (); }
408 434
435 MTH void parse_warn (const char *msg);
409 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 436 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
437
438 struct delayed_ref {
439 attachable *op;
440 object_ptr *ptr;
441 const char *ref;
442 };
443 std::vector<delayed_ref> delrefs;
444
445 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
446 MTH void resolve_delayed_derefs (bool deref = true);
410}; 447};
411 448
412//TODO: remove 449//TODO: remove
413char *fgets (char *s, int n, object_thawer &thawer); 450char *fgets (char *s, int n, object_thawer &thawer);
414 451
… …
418 static struct CoroAPI *GCoroAPI; 455 static struct CoroAPI *GCoroAPI;
419 456
420 static int nready () { return CORO_NREADY; } 457 static int nready () { return CORO_NREADY; }
421 static int cede () { return CORO_CEDE ; } 458 static int cede () { return CORO_CEDE ; }
422 459
423 static double (*time)();
424 static double next_cede; 460 static tstamp next_cede;
425 static int cede_counter; 461 static int cede_counter;
426 462
427 static void do_cede_every (); 463 static void do_cede_every ();
428 static void do_cede_to_tick (); 464 static void do_cede_to_tick ();
429 static void do_cede_to_tick_every (); 465 static void do_cede_to_tick_every ();
… …
432 { 468 {
433 if (expect_false (++cede_counter >= count)) 469 if (expect_false (++cede_counter >= count))
434 do_cede_every (); 470 do_cede_every ();
435 } 471 }
436 472
437 static void cede_to_tick () 473 static bool cede_to_tick ()
438 { 474 {
439 if (expect_false (time () >= next_cede)) 475 if (expect_true (now () < next_cede))
476 return false;
477
440 do_cede_to_tick (); 478 do_cede_to_tick ();
479 return true;
441 } 480 }
442 481
443 static void cede_to_tick_every (int count) 482 static bool cede_to_tick_every (int count)
444 { 483 {
445 if (expect_false (++cede_counter >= count)) 484 if (expect_true (++cede_counter < count))
485 return false;
486
446 cede_to_tick (); 487 return cede_to_tick ();
447 } 488 }
448 489
449 static void wait_for_tick (); 490 static void wait_for_tick ();
450 static void wait_for_tick_begin (); 491 static void wait_for_tick_begin ();
451}; 492};
452 493
453struct watcher_base 494struct evapi
454{ 495{
455 static struct EventAPI *GEventAPI; 496 static struct EVAPI *GEVAPI;
456}; 497};
457 498
458template<class base>
459struct watcher : watcher_base
460{
461 base *pe;
462
463 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
464 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
465 void now () { GEventAPI->now ((pe_watcher *)pe); }
466 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
467 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
468
469 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
470
471 ~watcher ()
472 {
473 cancel ();
474 }
475
476private:
477 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
478};
479
480struct iw : watcher<pe_idle>, callback<void (iw &)>
481{
482 template<class O, class M>
483 iw (O object, M method)
484 : callback<void (iw &)> (object, method)
485 {
486 alloc ();
487 }
488
489private:
490 void alloc ();
491};
492
493struct iow : watcher<pe_io>, callback<void (iow &, int)> 499struct iow : ev_io, evapi, callback<void (iow &, int)>
494{ 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
495 template<class O, class M> 508 template<class O, class M>
496 iow (O object, M method) 509 iow (O object, M method)
497 : callback<void (iow &, int)> (object, method) 510 : callback<void (iow &, int)> (object, method)
498 { 511 {
499 alloc (); 512 ev_init ((ev_io *)this, thunk);
500 } 513 }
501 514
502 void fd (int fd); 515 void set (int fd, int events)
503 int poll (); 516 {
517 ev_io_set ((ev_io *)this, fd, events);
518 }
519
520 int poll () const { return events; }
521
504 void poll (int events); 522 void poll (int events);
505 523
506private: 524 void start ()
507 void alloc (); 525 {
526 ev_io_start (EV_DEFAULT, (ev_io *)this);
527 }
528
529 void stop ()
530 {
531 ev_io_stop (EV_DEFAULT, (ev_io *)this);
532 }
533
534 ~iow ()
535 {
536 stop ();
537 }
508}; 538};
509 539
510#endif 540#endif
511 541

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