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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.92 by root, Thu Dec 20 08:24:01 2007 UTC vs.
Revision 1.124 by root, Sat Apr 23 04:56:47 2011 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011 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 * Deliantra 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 <support@deliantra.net> 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>
… …
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
133
134noinline utf8_string cfSvPVutf8_nolen (SV *sv);
106 135
107enum event_klass 136enum event_klass
108{ 137{
109 KLASS_NONE, 138 KLASS_NONE,
110 KLASS_GLOBAL, 139 KLASS_GLOBAL,
… …
164INTERFACE_CLASS (attachable) 193INTERFACE_CLASS (attachable)
165struct attachable : refcnt_base 194struct attachable : refcnt_base
166{ 195{
167 static MGVTBL vtbl; 196 static MGVTBL vtbl;
168 197
169 static unordered_vector<attachable *> mortals;
170 MTH static void check_mortals ();
171
172 enum { 198 enum {
173 F_DESTROYED = 0x01, 199 F_DESTROYED = 0x01,
174 F_DEBUG_TRACE = 0x02, 200 F_DEBUG_TRACE = 0x02,
175 }; 201 };
176 int ACC (RW, flags); 202 uint8 ACC (RW, attachable_flags);
203
204 static unordered_vector<attachable *> mortals;
205 MTH static void check_mortals ();
177 206
178 // object is delete'd after the refcount reaches 0 207 // object is delete'd after the refcount reaches 0
179 MTH int refcnt_cnt () const; 208 MTH int refcnt_cnt () const;
180 // check wether the object has died and destroy 209 // check wether the object has died and destroy
181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } 210 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
… …
184 // this politely asks everybody interested the reduce 213 // this politely asks everybody interested the reduce
185 // the refcount to 0 as soon as possible. 214 // the refcount to 0 as soon as possible.
186 MTH void destroy (); 215 MTH void destroy ();
187 216
188 // return wether an object was destroyed already 217 // return wether an object was destroyed already
189 MTH bool destroyed () const { return flags & F_DESTROYED; } 218 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
219
220 // destruct and free the memory for this object
221 virtual void do_delete ();
190 222
191 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 223 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
192 224
193#if 0 225#if 0
194private: 226private:
… …
202 234
203 void sever_self (); // sever this object from its self, if it has one. 235 void sever_self (); // sever this object from its self, if it has one.
204 void optimise (); // possibly save some memory by destroying unneeded data 236 void optimise (); // possibly save some memory by destroying unneeded data
205 237
206 attachable () 238 attachable ()
207 : flags (0), self (0), cb (0), attach (0) 239 : attachable_flags (0), self (0), cb (0), attach (0)
208 { 240 {
209 } 241 }
210 242
211 attachable (const attachable &src) 243 attachable (const attachable &src)
212 : flags (0), self (0), cb (0), attach (src.attach) 244 : attachable_flags (0), self (0), cb (0), attach (src.attach)
213 { 245 {
214 } 246 }
215 247
216 // set a custom key to the given value, or delete it if value = 0 248 // 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); 249 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
218 250
219 void set_key_text (const char *key, const char *value = 0) 251 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
220 { 252 {
221 set_key (key, value, 1); 253 set_key (key, value, 1);
222 } 254 }
223 255
224 void set_key_data (const char *key, const char *value = 0) 256 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
225 { 257 {
226 set_key (key, value, 0); 258 set_key (key, value, 0);
227 } 259 }
228 260
229 attachable &operator =(const attachable &src); 261 attachable &operator =(const attachable &src);
230 262
231 // used to _quickly_ device wether to shortcut the evaluation 263 // used to _quickly_ decide wether to shortcut the evaluation
232 bool should_invoke (event_type event) 264 bool should_invoke (event_type event)
233 { 265 {
234 return ev_want_event [event] || cb; 266 return ev_want_event [event] || cb;
235 } 267 }
236 268
… …
258 290
259extern struct global gbl_ev; 291extern struct global gbl_ev;
260 292
261////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 293//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
262 294
263INTERFACE_CLASS(object_freezer) 295#include "freezethaw.h"
264struct object_freezer : dynbuf_text
265{
266 AV *av;
267
268 object_freezer ();
269 ~object_freezer ();
270
271 void put (attachable *ext);
272
273 // used only for user-defined key-value pairs
274 void put (const shstr &k, const shstr &v)
275 {
276 add (k);
277
278 if (expect_true (v))
279 add (' '), add (v);
280
281 add ('\n');
282 }
283
284 template<typename T>
285 void put_kw_string (keyword k, const T &v)
286 {
287 int klen = keyword_len [k];
288 int vlen = v ? strlen (v) + 1 : 0;
289
290 char *p = (char *)alloc (klen + vlen + 1);
291
292 memcpy (p, keyword_str [k], klen); p += klen;
293
294 if (expect_true (v))
295 {
296 *p++ = ' '; vlen--;
297 memcpy (p, v, vlen); p += vlen;
298 }
299
300 *p = '\n';
301 }
302
303 void put (keyword k, const char *v = 0)
304 {
305 put_kw_string (k, v);
306 }
307
308 void put (keyword k, const shstr &v)
309 {
310 put_kw_string (k, v);
311 }
312
313 void put (keyword k, double v)
314 {
315 force (MAX_KEYWORD_LEN + 2 + 32);
316 fadd (keyword_str [k], keyword_len [k]);
317 fadd (' ');
318 falloc (sprintf (ptr, "%.7g", v));
319 fadd ('\n');
320 }
321
322 void put_(keyword k, sint64 v)
323 {
324 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
325 fadd (keyword_str [k], keyword_len [k]);
326 fadd (' ');
327 add (v);
328 fadd ('\n');
329 }
330
331 void put_(keyword k, sint32 v)
332 {
333 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
334 fadd (keyword_str [k], keyword_len [k]);
335 fadd (' ');
336 add (v);
337 fadd ('\n');
338 }
339
340 void put (keyword k, float v) { put (k, (double)v); }
341 void put (keyword k, signed char v) { put_(k, (sint32)v); }
342 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
343 void put (keyword k, signed short v) { put_(k, (sint32)v); }
344 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
345 void put (keyword k, signed int v) { put_(k, (sint32)v); }
346 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
347 void put (keyword k, signed long v) { put_(k, (sint64)v); }
348 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
349 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
350 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
351
352 void put (keyword kbeg, keyword kend, const shstr &v)
353 {
354 force (MAX_KEYWORD_LEN + 1);
355 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
356
357 if (expect_true (v))
358 {
359 add (v);
360 add ('\n');
361 }
362
363 force (MAX_KEYWORD_LEN + 1);
364 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
365 }
366
367 void put (keyword k, archetype *v);
368 void put (keyword k, treasurelist *v);
369 void put (keyword k, faceinfo *v);
370
371 template<typename T>
372 void put (keyword k, const refptr<T> &v)
373 {
374 put (k, (T *)v);
375 }
376
377 MTH bool save (const_octet_string path);
378 char *as_string (); // like strdup
379
380 operator bool () { return !!av; }
381};
382
383INTERFACE_CLASS(object_thawer)
384struct object_thawer
385{
386 char *line; // current beginning of line
387 SV *text; // text part
388 AV *av; // perl part
389 int linenum;
390 keyword kw;
391 char *kw_str; // the keyword parsed, as string
392 char *value; // the value, or 0 if no value
393 char *value_nn; // the value, or the empty string if no value
394 const char *name;
395
396 operator bool () const { return !!text; }
397
398 object_thawer (const char *path = 0);
399 object_thawer (const char *data, AV *perlav);
400 ~object_thawer ();
401
402 void get (attachable *obj, int oid);
403
404 // parse next line
405 MTH void next ();
406 // skip the current key-value (usually fetch next line, for
407 // multiline-fields, skips till the corresponding end-kw
408 MTH void skip ();
409 MTH void skip_block (); // skips till and over KW_end
410
411 char *get_str () { return value; } // may be 0
412 void get_ml (keyword kend, shstr &sh);
413
414 void get_ornull (shstr &sh) const { sh = value; }
415 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
416
417 bool get_bool () const { return *value_nn == '1'; }
418 sint32 get_sint32 () const;
419 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
420 double get_double () const { return strtod (value_nn, 0); }
421
422 void get (float &v) { v = get_double (); }
423 void get (double &v) { v = get_double (); }
424
425 void get (bool &i) { i = get_bool (); }
426 void get (sint8 &i) { i = get_sint32 (); }
427 void get (uint8 &i) { i = get_sint32 (); }
428 void get (sint16 &i) { i = get_sint32 (); }
429 void get (uint16 &i) { i = get_sint32 (); }
430 void get (sint32 &i) { i = get_sint32 (); }
431
432 void get (uint32 &i) { i = get_sint64 (); }
433 void get (sint64 &i) { i = get_sint64 (); }
434
435 MTH void parse_warn (const char *msg);
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);
447};
448
449//TODO: remove
450char *fgets (char *s, int n, object_thawer &thawer);
451 296
452////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 297//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
453 298
454struct coroapi { 299struct coroapi {
455 static struct CoroAPI *GCoroAPI; 300 static struct CoroAPI *GCoroAPI;
456 301
302 static EV_ATOMIC_T cede_pending;
303
457 static int nready () { return CORO_NREADY; } 304 static int nready () { return CORO_NREADY; }
458 static int cede () { return CORO_CEDE ; } 305 static int cede () { cede_pending = 0; return CORO_CEDE ; }
459 306
460 static tstamp next_cede;
461 static int cede_counter;
462
463 static void do_cede_every ();
464 static void do_cede_to_tick (); 307 static void do_cede_to_tick ();
465 static void do_cede_to_tick_every ();
466 308
467 static void cede_every (int count) 309 // actually cede's far more often
468 {
469 if (expect_false (++cede_counter >= count))
470 do_cede_every ();
471 }
472
473 static bool cede_to_tick () 310 static bool cede_to_tick ()
474 { 311 {
475 if (expect_true (now () < next_cede)) 312 if (expect_true (!cede_pending))
476 return false; 313 return false;
477 314
478 do_cede_to_tick (); 315 do_cede_to_tick ();
479 return true; 316 return true;
480 }
481
482 static bool cede_to_tick_every (int count)
483 {
484 if (expect_true (++cede_counter < count))
485 return false;
486
487 return cede_to_tick ();
488 } 317 }
489 318
490 static void wait_for_tick (); 319 static void wait_for_tick ();
491 static void wait_for_tick_begin (); 320 static void wait_for_tick_begin ();
492}; 321};
… …
510 : callback<void (iow &, int)> (object, method) 339 : callback<void (iow &, int)> (object, method)
511 { 340 {
512 ev_init ((ev_io *)this, thunk); 341 ev_init ((ev_io *)this, thunk);
513 } 342 }
514 343
344 void prio (int prio)
345 {
346 ev_set_priority ((ev_io *)this, prio);
347 }
348
515 void set (int fd, int events) 349 void set (int fd, int events)
516 { 350 {
517 ev_io_set ((ev_io *)this, fd, events); 351 ev_io_set ((ev_io *)this, fd, events);
518 } 352 }
519 353
… …
535 { 369 {
536 stop (); 370 stop ();
537 } 371 }
538}; 372};
539 373
374struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
375{
376 static void thunk (EV_P_ struct ev_async *w_, int revents)
377 {
378 asyncw &w = *static_cast<asyncw *>(w_);
379
380 w (w, revents);
381 }
382
383 template<class O, class M>
384 asyncw (O object, M method)
385 : callback<void (asyncw &, int)> (object, method)
386 {
387 ev_init ((ev_async *)this, thunk);
388 }
389
390 void start ()
391 {
392 ev_async_start (EV_DEFAULT, (ev_async *)this);
393 }
394
395 void stop ()
396 {
397 ev_async_stop (EV_DEFAULT, (ev_async *)this);
398 }
399
400 ~asyncw ()
401 {
402 stop ();
403 }
404};
405
540#endif 406#endif
541 407

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