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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.87 by root, Thu Aug 16 06:36:56 2007 UTC vs.
Revision 1.122 by root, Thu Apr 15 04:02:38 2010 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 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 * 5 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 6 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 7 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 8 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 9 * option) any later version.
12 * 10 *
13 * This program is distributed in the hope that it will be useful, 11 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 14 * GNU General Public License for more details.
17 * 15 *
18 * You should have received a copy of the GNU General Public License 16 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
20 * 19 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 20 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 21 */
23 22
24// 23//
25// cfperl.h perl interface 24// cfperl.h perl interface
26// 25//
27#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
28#define CFPERL_H__ 27#define CFPERL_H__
29 28
30#include <cstdarg>
31#include <cstdio>
32#include <bitset>
33
34using namespace std; 29using namespace std;
35 30
36#include <EXTERN.h> 31#include <EXTERN.h>
37#include <perl.h> 32#include <perl.h>
38#include <XSUB.h> 33#include <XSUB.h>
39 34
40#include <EventAPI.h> 35#include <EVAPI.h>
41#include <CoroAPI.h> 36#include <CoroAPI.h>
42 37
43#include "util.h" 38#include "util.h"
44#include "keyword.h" 39#include "keyword.h"
45#include "dynbuf.h" 40#include "dynbuf.h"
… …
50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 45// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
51#undef localtime 46#undef localtime
52#undef srand48 47#undef srand48
53#undef drand48 48#undef drand48
54#undef srandom 49#undef srandom
50#undef opendir
55#undef readdir 51#undef readdir
52#undef closedir
56#undef getprotobyname 53#undef getprotobyname
57#undef gethostbyname 54#undef gethostbyname
58#undef ctime 55#undef ctime
59#undef strerror 56#undef strerror
60#undef _ 57#undef _
… …
79 76
80// some macros to simplify perl in-calls 77// some macros to simplify perl in-calls
81 78
82#define CHECK_ERROR \ 79#define CHECK_ERROR \
83 if (SvTRUE (ERRSV)) \ 80 if (SvTRUE (ERRSV)) \
84 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 81 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
85 82
83inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
84inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
85
86// TODO: temporarily enabled pushstack/popstack for all calls from the core, to maybe fix object memleak?
87#define CALL_PUSH PUSHSTACKi (PERLSI_UNKNOWN)
88#define CALL_POP PUTBACK; POPSTACK; SPAGAIN
86#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 89#define CALL_BEGIN(args) dSP; CALL_PUSH; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
87#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 90#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
88#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 91#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
89#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; 92#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
90#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 93#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP
91 94
92////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
93 96
94void cfperl_init (); 97void cfperl_init ();
95void cfperl_main (); 98void cfperl_main ();
99void cfperl_tick ();
96void cfperl_emergency_save (); 100void cfperl_emergency_save ();
97void cfperl_cleanup (int make_core); 101void cfperl_cleanup (int make_core);
98void cfperl_make_book (object *book, int level); 102void cfperl_make_book (object *book, int level);
99void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); 103void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg);
100int cfperl_can_merge (object *ob1, object *ob2); 104int cfperl_can_merge (object *ob1, object *ob2);
105void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
101 106
107bool is_match_expr (const_utf8_string expr);
108// applies the match expression and returns true if it matches
109bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
110// same as above, but returns the first object found, or 0
111object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
112
102////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 113//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
114
115#if IVSIZE >= 8
116 typedef IV val64;
117 typedef IV uval64;
118# define newSVval64 newSViv
119# define SvVAL64 SvIV
120# define newSVuval64 newSVuv
121# define SvUVAL64 SvUV
122#else
123 typedef double val64;
124 typedef double uval64;
125# define newSVval64 newSVnv
126# define SvVAL64 SvNV
127# define newSVuval64 newSVnv
128# define SvUVAL64 SvNV
129#endif
103 130
104extern tstamp runtime; // virtual server time, excluding time jumps and lag 131extern tstamp runtime; // virtual server time, excluding time jumps and lag
105extern tstamp NOW; // real time of current server tick 132extern tstamp NOW; // real time of current server tick
106 133
107enum event_klass 134enum event_klass
… …
164INTERFACE_CLASS (attachable) 191INTERFACE_CLASS (attachable)
165struct attachable : refcnt_base 192struct attachable : refcnt_base
166{ 193{
167 static MGVTBL vtbl; 194 static MGVTBL vtbl;
168 195
169 static unordered_vector<attachable *> mortals;
170 MTH static void check_mortals ();
171
172 enum { 196 enum {
173 F_DESTROYED = 0x01, 197 F_DESTROYED = 0x01,
174 F_DEBUG_TRACE = 0x02, 198 F_DEBUG_TRACE = 0x02,
175 }; 199 };
176 int ACC (RW, flags); 200 uint8 ACC (RW, attachable_flags);
201
202 static unordered_vector<attachable *> mortals;
203 MTH static void check_mortals ();
177 204
178 // object is delete'd after the refcount reaches 0 205 // object is delete'd after the refcount reaches 0
179 MTH int refcnt_cnt () const; 206 MTH int refcnt_cnt () const;
180 // check wether the object has died and destroy 207 // check wether the object has died and destroy
181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 208 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
… …
184 // this politely asks everybody interested the reduce 211 // this politely asks everybody interested the reduce
185 // the refcount to 0 as soon as possible. 212 // the refcount to 0 as soon as possible.
186 MTH void destroy (); 213 MTH void destroy ();
187 214
188 // return wether an object was destroyed already 215 // return wether an object was destroyed already
189 MTH bool destroyed () const { return flags & F_DESTROYED; } 216 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
217
218 // destruct and free the memory for this object
219 virtual void do_delete ();
190 220
191 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 221 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
192 222
193#if 0 223#if 0
194private: 224private:
… …
202 232
203 void sever_self (); // sever this object from its self, if it has one. 233 void sever_self (); // sever this object from its self, if it has one.
204 void optimise (); // possibly save some memory by destroying unneeded data 234 void optimise (); // possibly save some memory by destroying unneeded data
205 235
206 attachable () 236 attachable ()
207 : flags (0), self (0), cb (0), attach (0) 237 : attachable_flags (0), self (0), cb (0), attach (0)
208 { 238 {
209 } 239 }
210 240
211 attachable (const attachable &src) 241 attachable (const attachable &src)
212 : flags (0), self (0), cb (0), attach (src.attach) 242 : attachable_flags (0), self (0), cb (0), attach (src.attach)
213 { 243 {
214 } 244 }
215 245
216 // set a custom key to the given value, or delete it if value = 0 246 // 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); 247 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
248
249 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
250 {
251 set_key (key, value, 1);
252 }
253
254 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
255 {
256 set_key (key, value, 0);
257 }
218 258
219 attachable &operator =(const attachable &src); 259 attachable &operator =(const attachable &src);
220 260
221 // used to _quickly_ device wether to shortcut the evaluation 261 // used to _quickly_ decide wether to shortcut the evaluation
222 bool should_invoke (event_type event) 262 bool should_invoke (event_type event)
223 { 263 {
224 return ev_want_event [event] || cb; 264 return ev_want_event [event] || cb;
225 } 265 }
226 266
… …
248 288
249extern struct global gbl_ev; 289extern struct global gbl_ev;
250 290
251////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 291//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
252 292
253struct object_freezer : dynbuf_text 293#include "freezethaw.h"
254{
255 AV *av;
256
257 object_freezer ();
258 ~object_freezer ();
259
260 void put (attachable *ext);
261
262 // used only for user-defined key-value pairs
263 void put (const shstr &k, const shstr &v)
264 {
265 add (k);
266
267 if (expect_true (v))
268 add (' '), add (v);
269
270 add ('\n');
271 }
272
273 template<typename T>
274 void put_kw_string (keyword k, const T &v)
275 {
276 int klen = keyword_len [k];
277 int vlen = v ? strlen (v) + 1 : 0;
278
279 char *p = (char *)alloc (klen + vlen + 1);
280
281 memcpy (p, keyword_str [k], klen); p += klen;
282
283 if (expect_true (v))
284 {
285 *p++ = ' '; vlen--;
286 memcpy (p, v, vlen); p += vlen;
287 }
288
289 *p = '\n';
290 }
291
292 void put (keyword k, const char *v = 0)
293 {
294 put_kw_string (k, v);
295 }
296
297 void put (keyword k, const shstr &v)
298 {
299 put_kw_string (k, v);
300 }
301
302 void put (keyword k, double v)
303 {
304 force (MAX_KEYWORD_LEN + 2 + 32);
305 fadd (keyword_str [k], keyword_len [k]);
306 fadd (' ');
307 falloc (sprintf (ptr, "%.7g", v));
308 fadd ('\n');
309 }
310
311 void put_(keyword k, sint64 v)
312 {
313 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
314 fadd (keyword_str [k], keyword_len [k]);
315 fadd (' ');
316 add (v);
317 fadd ('\n');
318 }
319
320 void put_(keyword k, sint32 v)
321 {
322 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
323 fadd (keyword_str [k], keyword_len [k]);
324 fadd (' ');
325 add (v);
326 fadd ('\n');
327 }
328
329 void put (keyword k, float v) { put (k, (double)v); }
330 void put (keyword k, signed char v) { put_(k, (sint32)v); }
331 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
332 void put (keyword k, signed short v) { put_(k, (sint32)v); }
333 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
334 void put (keyword k, signed int v) { put_(k, (sint32)v); }
335 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
336 void put (keyword k, signed long v) { put_(k, (sint64)v); }
337 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
338 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
339 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
340
341 void put (keyword kbeg, keyword kend, const shstr &v)
342 {
343 force (MAX_KEYWORD_LEN + 1);
344 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
345
346 if (expect_true (v))
347 {
348 add (v);
349 add ('\n');
350 }
351
352 force (MAX_KEYWORD_LEN + 1);
353 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
354 }
355
356 void put (keyword k, archetype *v);
357 void put (keyword k, treasurelist *v);
358 void put (keyword k, faceinfo *v);
359
360 template<typename T>
361 void put (keyword k, const refptr<T> &v)
362 {
363 put (k, (T *)v);
364 }
365
366 bool save (const char *path);
367 char *as_string (); // like strdup
368
369 operator bool () { return !!av; }
370};
371
372struct object_thawer
373{
374 char *line; // current beginning of line
375 SV *text; // text part
376 AV *av; // perl part
377 int linenum;
378 keyword kw;
379 char *kw_str; // the keyword parsed, as string
380 char *value; // the value, or 0 if no value
381 char *value_nn; // the value, or the empty string if no value
382 const char *name;
383
384 operator bool () { return !!text; }
385
386 object_thawer (const char *path = 0);
387 object_thawer (const char *data, AV *perlav);
388 ~object_thawer ();
389
390 void get (attachable *obj, int oid);
391
392 // parse next line
393 void next ();
394 // skip the current key-value (usually fetch next line, for
395 // multiline-fields, skips till the corresponding end-kw
396 void skip ();
397
398 char *get_str () { return value; } // may be 0
399 void get_ml (keyword kend, shstr &sh);
400
401 void get_ornull (shstr &sh) const { sh = value; }
402 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
403
404 bool get_bool () const { return *value_nn == '1'; }
405 sint32 get_sint32 () const;
406 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
407 double get_double () const { return strtod (value_nn, 0); }
408
409 void get (float &v) { v = get_double (); }
410 void get (double &v) { v = get_double (); }
411
412 void get (bool &i) { i = get_bool (); }
413 void get (sint8 &i) { i = get_sint32 (); }
414 void get (uint8 &i) { i = get_sint32 (); }
415 void get (sint16 &i) { i = get_sint32 (); }
416 void get (uint16 &i) { i = get_sint32 (); }
417 void get (sint32 &i) { i = get_sint32 (); }
418
419 void get (uint32 &i) { i = get_sint64 (); }
420 void get (sint64 &i) { i = get_sint64 (); }
421
422 void parse_warn (const char *msg);
423 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
424};
425
426//TODO: remove
427char *fgets (char *s, int n, object_thawer &thawer);
428 294
429////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 295//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
430 296
431struct coroapi { 297struct coroapi {
432 static struct CoroAPI *GCoroAPI; 298 static struct CoroAPI *GCoroAPI;
433 299
300 static EV_ATOMIC_T cede_pending;
301
434 static int nready () { return CORO_NREADY; } 302 static int nready () { return CORO_NREADY; }
435 static int cede () { return CORO_CEDE ; } 303 static int cede () { cede_pending = 0; return CORO_CEDE ; }
436 304
437 static tstamp next_cede;
438 static int cede_counter;
439
440 static void do_cede_every ();
441 static void do_cede_to_tick (); 305 static void do_cede_to_tick ();
442 static void do_cede_to_tick_every ();
443 306
444 static void cede_every (int count) 307 // actually cede's far more often
445 {
446 if (expect_false (++cede_counter >= count))
447 do_cede_every ();
448 }
449
450 static bool cede_to_tick () 308 static bool cede_to_tick ()
451 { 309 {
452 if (expect_true (now () < next_cede)) 310 if (expect_true (!cede_pending))
453 return false; 311 return false;
454 312
455 do_cede_to_tick (); 313 do_cede_to_tick ();
456 return true; 314 return true;
457 } 315 }
458 316
459 static bool cede_to_tick_every (int count)
460 {
461 if (expect_true (++cede_counter < count))
462 return false;
463
464 return cede_to_tick ();
465 }
466
467 static void wait_for_tick (); 317 static void wait_for_tick ();
468 static void wait_for_tick_begin (); 318 static void wait_for_tick_begin ();
469}; 319};
470 320
471struct watcher_base 321struct evapi
472{ 322{
473 static struct EventAPI *GEventAPI; 323 static struct EVAPI *GEVAPI;
474}; 324};
475 325
476template<class base>
477struct watcher : watcher_base
478{
479 base *pe;
480
481 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
482 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
483 void now () { GEventAPI->now ((pe_watcher *)pe); }
484 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
485 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
486
487 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
488
489 ~watcher ()
490 {
491 cancel ();
492 }
493
494private:
495 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
496};
497
498struct iw : watcher<pe_idle>, callback<void (iw &)>
499{
500 template<class O, class M>
501 iw (O object, M method)
502 : callback<void (iw &)> (object, method)
503 {
504 alloc ();
505 }
506
507private:
508 void alloc ();
509};
510
511struct iow : watcher<pe_io>, callback<void (iow &, int)> 326struct iow : ev_io, evapi, callback<void (iow &, int)>
512{ 327{
328 static void thunk (EV_P_ struct ev_io *w_, int revents)
329 {
330 iow &w = *static_cast<iow *>(w_);
331
332 w (w, revents);
333 }
334
513 template<class O, class M> 335 template<class O, class M>
514 iow (O object, M method) 336 iow (O object, M method)
515 : callback<void (iow &, int)> (object, method) 337 : callback<void (iow &, int)> (object, method)
516 { 338 {
517 alloc (); 339 ev_init ((ev_io *)this, thunk);
518 } 340 }
519 341
520 void fd (int fd); 342 void prio (int prio)
521 int poll (); 343 {
344 ev_set_priority ((ev_io *)this, prio);
345 }
346
347 void set (int fd, int events)
348 {
349 ev_io_set ((ev_io *)this, fd, events);
350 }
351
352 int poll () const { return events; }
353
522 void poll (int events); 354 void poll (int events);
523 355
524private: 356 void start ()
525 void alloc (); 357 {
358 ev_io_start (EV_DEFAULT, (ev_io *)this);
359 }
360
361 void stop ()
362 {
363 ev_io_stop (EV_DEFAULT, (ev_io *)this);
364 }
365
366 ~iow ()
367 {
368 stop ();
369 }
370};
371
372struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
373{
374 static void thunk (EV_P_ struct ev_async *w_, int revents)
375 {
376 asyncw &w = *static_cast<asyncw *>(w_);
377
378 w (w, revents);
379 }
380
381 template<class O, class M>
382 asyncw (O object, M method)
383 : callback<void (asyncw &, int)> (object, method)
384 {
385 ev_init ((ev_async *)this, thunk);
386 }
387
388 void start ()
389 {
390 ev_async_start (EV_DEFAULT, (ev_async *)this);
391 }
392
393 void stop ()
394 {
395 ev_async_stop (EV_DEFAULT, (ev_async *)this);
396 }
397
398 ~asyncw ()
399 {
400 stop ();
401 }
526}; 402};
527 403
528#endif 404#endif
529 405

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