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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.78 by root, Wed Jun 6 05:41:26 2007 UTC vs.
Revision 1.128 by root, Sun Nov 11 05:53:12 2012 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 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 (©) 2005,2006,2007,2008,2009,2010,2011,2012 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 it 6 * Deliantra is free software: you can redistribute it and/or modify it under
9 * under the terms of the GNU General Public License as published by the Free 7 * the terms of the Affero GNU General Public License as published by the
10 * Software Foundation; either version 2 of the License, or (at your option) 8 * Free Software Foundation, either version 3 of the License, or (at your
11 * any later version. 9 * option) any later version.
12 * 10 *
13 * This program is distributed in the hope that it will be useful, but 11 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * 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 along 16 * You should have received a copy of the Affero GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 17 * and the GNU General Public License along with this program. If not, see
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * <http://www.gnu.org/licenses/>.
21 * 19 *
22 * 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>
23 */ 21 */
24 22
25// 23//
26// cfperl.h perl interface 24// cfperl.h perl interface
27// 25//
28#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
29#define CFPERL_H__ 27#define CFPERL_H__
30 28
31#include <cstdarg>
32#include <cstdio>
33#include <bitset>
34
35using namespace std; 29using namespace std;
36 30
37#include <EXTERN.h> 31#include <EXTERN.h>
38#include <perl.h> 32#include <perl.h>
39#include <XSUB.h> 33#include <XSUB.h>
40 34
41#include <EventAPI.h> 35#include <EVAPI.h>
42#include <CoroAPI.h> 36#include <CoroAPI.h>
43 37
44#include "util.h" 38#include "util.h"
45#include "keyword.h" 39#include "keyword.h"
46#include "dynbuf.h" 40#include "dynbuf.h"
… …
51// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 45// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
52#undef localtime 46#undef localtime
53#undef srand48 47#undef srand48
54#undef drand48 48#undef drand48
55#undef srandom 49#undef srandom
50#undef opendir
56#undef readdir 51#undef readdir
52#undef closedir
57#undef getprotobyname 53#undef getprotobyname
58#undef gethostbyname 54#undef gethostbyname
59#undef ctime 55#undef ctime
60#undef strerror 56#undef strerror
57#undef _
61 58
62// same here, massive symbol spamming 59// same here, massive symbol spamming
63#undef do_open 60#undef do_open
64#undef do_close 61#undef do_close
65#undef ref 62#undef ref
… …
70#undef random 67#undef random
71#undef crypt 68#undef crypt
72 69
73////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 70//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
74 71
72#define _(msg) (msg)
73#define N_(msg) (msg)
74
75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
76
75// some macros to simplify perl in-calls 77// some macros to simplify perl in-calls
76 78
77#define CHECK_ERROR \ 79#define CHECK_ERROR \
78 if (SvTRUE (ERRSV)) \ 80 if (SvTRUE (ERRSV)) \
79 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 81 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
80 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
81#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)
82#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
83#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 91#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
84#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;
85#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 93#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP
86 94
87////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
88 96
89void cfperl_init (); 97void cfperl_init ();
90void cfperl_main (); 98void cfperl_main ();
99void cfperl_tick ();
91void cfperl_emergency_save (); 100void cfperl_emergency_save ();
92void cfperl_cleanup (int make_core); 101void cfperl_cleanup (int make_core);
93void cfperl_make_book (object *book, int level); 102void cfperl_make_book (object *book, int level);
103void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg);
104int cfperl_can_merge (object *ob1, object *ob2);
105void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
106void cfperl_ix (client *ns, int set, faceidx idx, int pri);
94 107
95////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 108bool is_match_expr (const_utf8_string expr);
109// applies the match expression and returns true if it matches
110bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
111// same as above, but returns the first object found, or 0
112object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
96 113
114//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
115
116#if IVSIZE >= 8
117 typedef IV val64;
118 typedef IV uval64;
119# define newSVval64 newSViv
120# define SvVAL64 SvIV
121# define newSVuval64 newSVuv
122# define SvUVAL64 SvUV
123#else
124 typedef double val64;
125 typedef double uval64;
126# define newSVval64 newSVnv
127# define SvVAL64 SvNV
128# define newSVuval64 newSVnv
129# define SvUVAL64 SvNV
130#endif
131
97// virtual server time, excluding time jumps and lag 132extern tstamp runtime; // virtual server time, excluding time jumps and lag
98extern double runtime; 133extern tstamp NOW; // real time of current server tick
134
135noinline utf8_string cfSvPVutf8_nolen (SV *sv);
99 136
100enum event_klass 137enum event_klass
101{ 138{
102 KLASS_NONE, 139 KLASS_NONE,
103 KLASS_GLOBAL, 140 KLASS_GLOBAL,
… …
153int cfperl_result_INT (int idx); 190int cfperl_result_INT (int idx);
154 191
155////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 192//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
156 193
157INTERFACE_CLASS (attachable) 194INTERFACE_CLASS (attachable)
158struct attachable 195struct attachable : refcnt_base
159{ 196{
160 static MGVTBL vtbl; 197 static MGVTBL vtbl;
161
162 static unordered_vector<attachable *> mortals;
163 MTH static void check_mortals ();
164 198
165 enum { 199 enum {
166 F_DESTROYED = 0x01, 200 F_DESTROYED = 0x01,
167 F_DEBUG_TRACE = 0x02, 201 F_DEBUG_TRACE = 0x02,
168 }; 202 };
203 uint8 ACC (RW, attachable_flags);
204
205 static unordered_vector<attachable *> mortals;
206 MTH static void check_mortals ();
169 207
170 // object is delete'd after the refcount reaches 0 208 // object is delete'd after the refcount reaches 0
171 int ACC (RW, flags);
172 mutable int ACC (RW, refcnt);
173
174 MTH void refcnt_inc () const { ++refcnt; }
175 MTH void refcnt_dec () const { --refcnt; }
176
177 MTH int refcnt_cnt () const; 209 MTH int refcnt_cnt () const;
178 // check wether the object has died and destroy 210 // check wether the object has died and destroy
179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 211 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
180 212
181 // destroy the object unless it was already destroyed 213 // destroy the object unless it was already destroyed
182 // this politely asks everybody interested the reduce 214 // this politely asks everybody interested the reduce
183 // the refcount to 0 as soon as possible. 215 // the refcount to 0 as soon as possible.
184 MTH void destroy (); 216 MTH void destroy ();
185 217
186 // return wether an object was destroyed already 218 // return wether an object was destroyed already
187 MTH bool destroyed () const { return flags & F_DESTROYED; } 219 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
220
221 // destruct and free the memory for this object
222 virtual void do_delete ();
188 223
189 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 224 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
190 225
191#if 0 226#if 0
192private: 227private:
… …
200 235
201 void sever_self (); // sever this object from its self, if it has one. 236 void sever_self (); // sever this object from its self, if it has one.
202 void optimise (); // possibly save some memory by destroying unneeded data 237 void optimise (); // possibly save some memory by destroying unneeded data
203 238
204 attachable () 239 attachable ()
205 : flags (0), refcnt (0), self (0), cb (0), attach (0) 240 : attachable_flags (0), self (0), cb (0), attach (0)
206 { 241 {
207 } 242 }
208 243
209 attachable (const attachable &src) 244 attachable (const attachable &src)
210 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 245 : attachable_flags (0), self (0), cb (0), attach (src.attach)
211 { 246 {
212 } 247 }
213 248
214 virtual ~attachable (); 249 // set a custom key to the given value, or delete it if value = 0
250 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
251
252 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
253 {
254 set_key (key, value, 1);
255 }
256
257 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
258 {
259 set_key (key, value, 0);
260 }
215 261
216 attachable &operator =(const attachable &src); 262 attachable &operator =(const attachable &src);
217 263
218 // used to _quickly_ device wether to shortcut the evaluation 264 // used to _quickly_ decide wether to shortcut the evaluation
219 bool should_invoke (event_type event) 265 bool should_invoke (event_type event)
220 { 266 {
221 return ev_want_event [event] || cb; 267 return ev_want_event [event] || cb;
222 } 268 }
223 269
… …
230 // do the real refcount checking work 276 // do the real refcount checking work
231 void do_check (); 277 void do_check ();
232 278
233 // the method that does the real destroy work 279 // the method that does the real destroy work
234 virtual void do_destroy (); 280 virtual void do_destroy ();
281
282 // destructor is protected, should not be called by anybody
283 virtual ~attachable ();
235}; 284};
236 285
237// the global object is a pseudo object that cares for the global events 286// the global object is a pseudo object that cares for the global events
238struct global : attachable 287struct global : attachable
239{ 288{
… …
242 291
243extern struct global gbl_ev; 292extern struct global gbl_ev;
244 293
245////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 294//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
246 295
247struct object_freezer : dynbuf_text 296#include "freezethaw.h"
248{
249 AV *av;
250
251 object_freezer ();
252 ~object_freezer ();
253
254 void put (attachable *ext);
255
256 // used only for user-defined key-value pairs
257 void put (const shstr &k, const shstr &v)
258 {
259 add (k);
260
261 if (expect_true (v))
262 add (' '), add (v);
263
264 add ('\n');
265 }
266
267 template<typename T>
268 void put_kw_string (keyword k, const T &v)
269 {
270 int klen = keyword_len [k];
271 int vlen = v ? strlen (v) + 1 : 0;
272
273 char *p = (char *)alloc (klen + vlen + 1);
274
275 memcpy (p, keyword_str [k], klen); p += klen;
276
277 if (expect_true (v))
278 {
279 *p++ = ' '; vlen--;
280 memcpy (p, v, vlen); p += vlen;
281 }
282
283 *p = '\n';
284 }
285
286 void put (keyword k, const char *v = 0)
287 {
288 put_kw_string (k, v);
289 }
290
291 void put (keyword k, const shstr &v)
292 {
293 put_kw_string (k, v);
294 }
295
296 void put (keyword k, double v)
297 {
298 force (MAX_KEYWORD_LEN + 2 + 32);
299 fadd (keyword_str [k], keyword_len [k]);
300 fadd (' ');
301 falloc (sprintf (ptr, "%.7g", v));
302 fadd ('\n');
303 }
304
305 void put_(keyword k, sint64 v)
306 {
307 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
308 fadd (keyword_str [k], keyword_len [k]);
309 fadd (' ');
310 add (v);
311 fadd ('\n');
312 }
313
314 void put_(keyword k, sint32 v)
315 {
316 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
317 fadd (keyword_str [k], keyword_len [k]);
318 fadd (' ');
319 add (v);
320 fadd ('\n');
321 }
322
323 void put (keyword k, float v) { put (k, (double)v); }
324 void put (keyword k, signed char v) { put_(k, (sint32)v); }
325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
326 void put (keyword k, signed short v) { put_(k, (sint32)v); }
327 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
328 void put (keyword k, signed int v) { put_(k, (sint32)v); }
329 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
330 void put (keyword k, signed long v) { put_(k, (sint64)v); }
331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
332 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
333 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
334
335 void put (keyword kbeg, keyword kend, const shstr &v)
336 {
337 force (MAX_KEYWORD_LEN + 1);
338 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
339
340 if (expect_true (v))
341 {
342 add (v);
343 add ('\n');
344 }
345
346 force (MAX_KEYWORD_LEN + 1);
347 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
348 }
349
350 void put (keyword k, archetype *v);
351 void put (keyword k, treasurelist *v);
352 void put (keyword k, faceinfo *v);
353
354 template<typename T>
355 void put (keyword k, const refptr<T> &v)
356 {
357 put (k, (T *)v);
358 }
359
360 bool save (const char *path);
361 char *as_string (); // like strdup
362
363 operator bool () { return !!av; }
364};
365
366struct object_thawer
367{
368 char *line; // current beginning of line
369 SV *text; // text part
370 AV *av; // perl part
371 int linenum;
372 keyword kw;
373 char *kw_str; // the keyword parsed, as string
374 char *value; // the value, or 0 if no value
375 char *value_nn; // the value, or the empty string if no value
376 const char *name;
377
378 operator bool () { return !!text; }
379
380 object_thawer (const char *path = 0);
381 object_thawer (const char *data, AV *perlav);
382 ~object_thawer ();
383
384 void get (attachable *obj, int oid);
385
386 // parse next line
387 void next ();
388 // skip the current key-value (usually fetch next line, for
389 // multiline-fields, skips till the corresponding end-kw
390 void skip ();
391
392 char *get_str () { return value; } // may be 0
393 void get_ml (keyword kend, shstr &sh);
394
395 void get_ornull (shstr &sh) const { sh = value; }
396 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
397
398 bool get_bool () const { return *value_nn == '1'; }
399 sint32 get_sint32 () const;
400 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
401 double get_double () const { return strtod (value_nn, 0); }
402
403 void get (float &v) { v = get_double (); }
404 void get (double &v) { v = get_double (); }
405
406 void get (bool &i) { i = get_bool (); }
407 void get (sint8 &i) { i = get_sint32 (); }
408 void get (uint8 &i) { i = get_sint32 (); }
409 void get (sint16 &i) { i = get_sint32 (); }
410 void get (uint16 &i) { i = get_sint32 (); }
411 void get (sint32 &i) { i = get_sint32 (); }
412
413 void get (uint32 &i) { i = get_sint64 (); }
414 void get (sint64 &i) { i = get_sint64 (); }
415
416 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
417};
418
419//TODO: remove
420char *fgets (char *s, int n, object_thawer &thawer);
421 297
422////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 298//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
423 299
424struct coroapi { 300struct coroapi {
425 static struct CoroAPI *GCoroAPI; 301 static struct CoroAPI *GCoroAPI;
426 302
303 static EV_ATOMIC_T cede_pending;
304
427 static int nready () { return CORO_NREADY; } 305 static int nready () { return CORO_NREADY; }
428 static int cede () { return CORO_CEDE ; } 306 static int cede () { cede_pending = 0; return CORO_CEDE ; }
429 307
430 static double (*time)();
431 static double next_cede;
432 static int cede_counter;
433
434 static void do_cede_every ();
435 static void do_cede_to_tick (); 308 static void do_cede_to_tick ();
436 static void do_cede_to_tick_every ();
437 309
438 static void cede_every (int count) 310 // actually cede's far more often
439 {
440 if (expect_false (++cede_counter >= count))
441 do_cede_every ();
442 }
443
444 static bool cede_to_tick () 311 static bool cede_to_tick ()
445 { 312 {
446 if (expect_true (time () < next_cede)) 313 if (expect_true (!cede_pending))
447 return false; 314 return false;
448 315
449 do_cede_to_tick (); 316 do_cede_to_tick ();
450 return true; 317 return true;
451 } 318 }
452 319
453 static bool cede_to_tick_every (int count)
454 {
455 if (expect_true (++cede_counter < count))
456 return false;
457
458 return cede_to_tick ();
459 }
460
461 static void wait_for_tick (); 320 static void wait_for_tick ();
462 static void wait_for_tick_begin (); 321 static void wait_for_tick_begin ();
463}; 322};
464 323
465struct watcher_base 324struct evapi
466{ 325{
467 static struct EventAPI *GEventAPI; 326 static struct EVAPI *GEVAPI;
468}; 327};
469 328
470template<class base>
471struct watcher : watcher_base
472{
473 base *pe;
474
475 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
476 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
477 void now () { GEventAPI->now ((pe_watcher *)pe); }
478 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
479 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
480
481 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
482
483 ~watcher ()
484 {
485 cancel ();
486 }
487
488private:
489 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
490};
491
492struct iw : watcher<pe_idle>, callback<void (iw &)>
493{
494 template<class O, class M>
495 iw (O object, M method)
496 : callback<void (iw &)> (object, method)
497 {
498 alloc ();
499 }
500
501private:
502 void alloc ();
503};
504
505struct iow : watcher<pe_io>, callback<void (iow &, int)> 329struct iow : ev_io, evapi, callback<void (iow &, int)>
506{ 330{
331 static void thunk (EV_P_ struct ev_io *w_, int revents)
332 {
333 iow &w = *static_cast<iow *>(w_);
334
335 w (w, revents);
336 }
337
507 template<class O, class M> 338 template<class O, class M>
508 iow (O object, M method) 339 iow (O object, M method)
509 : callback<void (iow &, int)> (object, method) 340 : callback<void (iow &, int)> (object, method)
510 { 341 {
511 alloc (); 342 ev_init ((ev_io *)this, thunk);
512 } 343 }
513 344
514 void fd (int fd); 345 void prio (int prio)
515 int poll (); 346 {
347 ev_set_priority ((ev_io *)this, prio);
348 }
349
350 void set (int fd, int events)
351 {
352 ev_io_set ((ev_io *)this, fd, events);
353 }
354
355 int poll () const { return events; }
356
516 void poll (int events); 357 void poll (int events);
517 358
518private: 359 void start ()
519 void alloc (); 360 {
361 ev_io_start (EV_DEFAULT, (ev_io *)this);
362 }
363
364 void stop ()
365 {
366 ev_io_stop (EV_DEFAULT, (ev_io *)this);
367 }
368
369 ~iow ()
370 {
371 stop ();
372 }
373};
374
375struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
376{
377 static void thunk (EV_P_ struct ev_async *w_, int revents)
378 {
379 asyncw &w = *static_cast<asyncw *>(w_);
380
381 w (w, revents);
382 }
383
384 template<class O, class M>
385 asyncw (O object, M method)
386 : callback<void (asyncw &, int)> (object, method)
387 {
388 ev_init ((ev_async *)this, thunk);
389 }
390
391 void start ()
392 {
393 ev_async_start (EV_DEFAULT, (ev_async *)this);
394 }
395
396 void stop ()
397 {
398 ev_async_stop (EV_DEFAULT, (ev_async *)this);
399 }
400
401 ~asyncw ()
402 {
403 stop ();
404 }
520}; 405};
521 406
522#endif 407#endif
523 408

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