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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 1.122 by root, Thu Apr 15 04:02:38 2010 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 *
6 * Deliantra is free software: you can redistribute it and/or modify it under
7 * the terms of the Affero GNU General Public License as published by the
8 * Free Software Foundation, either version 3 of the License, or (at your
9 * option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the Affero GNU General Public License
17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
19 *
20 * The authors can be reached via e-mail to <support@deliantra.net>
21 */
22
1// 23//
2// cfperl.h perl interface 24// cfperl.h perl interface
3// 25//
4#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
5#define CFPERL_H__ 27#define CFPERL_H__
6 28
7#include <cstdarg>
8#include <cstdio>
9#include <bitset>
10
11using namespace std; 29using namespace std;
12 30
13#include <EXTERN.h> 31#include <EXTERN.h>
14#include <perl.h> 32#include <perl.h>
15#include <XSUB.h> 33#include <XSUB.h>
16 34
17#include <EventAPI.h> 35#include <EVAPI.h>
18#include <CoroAPI.h> 36#include <CoroAPI.h>
19 37
20#include "util.h" 38#include "util.h"
21#include "keyword.h" 39#include "keyword.h"
22#include "dynbuf.h" 40#include "dynbuf.h"
… …
27// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 45// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
28#undef localtime 46#undef localtime
29#undef srand48 47#undef srand48
30#undef drand48 48#undef drand48
31#undef srandom 49#undef srandom
50#undef opendir
32#undef readdir 51#undef readdir
52#undef closedir
33#undef getprotobyname 53#undef getprotobyname
34#undef gethostbyname 54#undef gethostbyname
35#undef ctime 55#undef ctime
36#undef strerror 56#undef strerror
57#undef _
37 58
38// same here, massive symbol spamming 59// same here, massive symbol spamming
39#undef do_open 60#undef do_open
40#undef do_close 61#undef do_close
41#undef ref 62#undef ref
… …
46#undef random 67#undef random
47#undef crypt 68#undef crypt
48 69
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 70//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50 71
72#define _(msg) (msg)
73#define N_(msg) (msg)
74
75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
76
51// some macros to simplify perl in-calls 77// some macros to simplify perl in-calls
52 78
53#define CHECK_ERROR \ 79#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \ 80 if (SvTRUE (ERRSV)) \
55 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 81 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
56 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
57#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)
58#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
59#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 91#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
60#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;
61#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 93#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP
62 94
63////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
64 96
65void cfperl_init (); 97void cfperl_init ();
66void cfperl_main (); 98void cfperl_main ();
99void cfperl_tick ();
67void cfperl_emergency_save (); 100void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 101void cfperl_cleanup (int make_core);
69void 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);
70 106
71////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 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);
72 112
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
130
73// virtual server time, excluding time jumps and lag 131extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 132extern tstamp NOW; // real time of current server tick
75 133
76enum event_klass 134enum event_klass
77{ 135{
78 KLASS_NONE, 136 KLASS_NONE,
79 KLASS_GLOBAL, 137 KLASS_GLOBAL,
… …
129int cfperl_result_INT (int idx); 187int cfperl_result_INT (int idx);
130 188
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 189//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 190
133INTERFACE_CLASS (attachable) 191INTERFACE_CLASS (attachable)
134struct attachable 192struct attachable : refcnt_base
135{ 193{
136 static MGVTBL vtbl; 194 static MGVTBL vtbl;
137
138 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals ();
140 195
141 enum { 196 enum {
142 F_DESTROYED = 0x01, 197 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 198 F_DEBUG_TRACE = 0x02,
144 }; 199 };
200 uint8 ACC (RW, attachable_flags);
201
202 static unordered_vector<attachable *> mortals;
203 MTH static void check_mortals ();
145 204
146 // object is delete'd after the refcount reaches 0 205 // 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; 206 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 207 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 208 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 209
157 // destroy the object unless it was already destroyed 210 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 211 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 212 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 213 MTH void destroy ();
161 214
162 // return wether an object was destroyed already 215 // return wether an object was destroyed already
163 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 ();
164 220
165 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 221 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
166 222
167#if 0 223#if 0
168private: 224private:
… …
176 232
177 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.
178 void optimise (); // possibly save some memory by destroying unneeded data 234 void optimise (); // possibly save some memory by destroying unneeded data
179 235
180 attachable () 236 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 237 : attachable_flags (0), self (0), cb (0), attach (0)
182 { 238 {
183 } 239 }
184 240
185 attachable (const attachable &src) 241 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 242 : attachable_flags (0), self (0), cb (0), attach (src.attach)
187 { 243 {
188 } 244 }
189 245
190 virtual ~attachable (); 246 // set a custom key to the given value, or delete it if 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 }
191 258
192 attachable &operator =(const attachable &src); 259 attachable &operator =(const attachable &src);
193 260
194 // used to _quickly_ device wether to shortcut the evaluation 261 // used to _quickly_ decide wether to shortcut the evaluation
195 bool should_invoke (event_type event) 262 bool should_invoke (event_type event)
196 { 263 {
197 return ev_want_event [event] || cb; 264 return ev_want_event [event] || cb;
198 } 265 }
199 266
… …
206 // do the real refcount checking work 273 // do the real refcount checking work
207 void do_check (); 274 void do_check ();
208 275
209 // the method that does the real destroy work 276 // the method that does the real destroy work
210 virtual void do_destroy (); 277 virtual void do_destroy ();
278
279 // destructor is protected, should not be called by anybody
280 virtual ~attachable ();
211}; 281};
212 282
213// the global object is a pseudo object that cares for the global events 283// the global object is a pseudo object that cares for the global events
214struct global : attachable 284struct global : attachable
215{ 285{
… …
218 288
219extern struct global gbl_ev; 289extern struct global gbl_ev;
220 290
221////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 291//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222 292
223struct object_freezer : dynbuf_text 293#include "freezethaw.h"
224{
225 AV *av;
226
227 object_freezer ();
228 ~object_freezer ();
229
230 void put (attachable *ext);
231
232 // used only for user-defined key-value pairs
233 void put (const shstr &k, const shstr &v)
234 {
235 add (k);
236
237 if (expect_true (v))
238 add (' '), add (v);
239
240 add ('\n');
241 }
242
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>
253 void put_string (keyword k, const T &v)
254 {
255 int klen = keyword_len [k];
256 int vlen = v ? strlen (v) + 1 : 0;
257
258 char *p = (char *)alloc (klen + vlen + 1);
259
260 memcpy (p, keyword_str [k], klen); p += klen;
261
262 if (expect_true (v))
263 {
264 *p++ = ' '; vlen--;
265 memcpy (p, v, vlen); p += vlen;
266 }
267
268 *p = '\n';
269 }
270
271 void put (keyword k, const char *v = 0)
272 {
273 put_string (k, v);
274 }
275
276 void put (keyword k, const shstr &v)
277 {
278 put_string (k, v);
279 }
280
281 void put (keyword k, double v)
282 {
283 char buf [128];
284
285 snprintf (buf, 128, "%.7g", v);
286
287 put (k, (const char *)buf);
288 }
289
290 void put_(keyword k, sint64 v)
291 {
292 add (keyword_str [k], keyword_len [k]);
293 add (' ');
294 add (v);
295 add ('\n');
296 }
297
298 void put_(keyword k, sint32 v)
299 {
300 add (keyword_str [k], keyword_len [k]);
301 add (' ');
302 add (v);
303 add ('\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 }
318
319 void put (keyword k, float v) { put (k, (double)v); }
320 void put (keyword k, signed char v) { put_(k, (sint32)v); }
321 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
322 void put (keyword k, signed short v) { put_(k, (sint32)v); }
323 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
324 void put (keyword k, signed int v) { put_(k, (sint32)v); }
325 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
326 void put (keyword k, signed long v) { put_(k, (sint64)v); }
327 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
328 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); }
330
331 template<typename T>
332 void put (keyword k, const T *v)
333 {
334 if (expect_true (v))
335 put (k, v->name);
336 else
337 put (k, (const char *)0);
338 }
339
340 template<typename T>
341 void put (keyword k, const refptr<T> &v)
342 {
343 put (k, (T *)v);
344 }
345
346 bool save (const char *path);
347 char *as_string (); // like strdup
348
349 operator bool () { return !!av; }
350};
351
352struct object_thawer
353{
354 char *line; // current beginning of line
355 SV *text; // text part
356 AV *av; // perl part
357 int linenum;
358 keyword kw;
359 char *kw_str; // the keyword parsed, as string
360 char *value; // the value, or 0 if no value
361 char *value_nn; // the value, or the empty string if no value
362 const char *name;
363
364 operator bool () { return !!text; }
365
366 object_thawer (const char *path = 0);
367 object_thawer (const char *data, AV *perlav);
368 ~object_thawer ();
369
370 void get (attachable *obj, int oid);
371
372 // parse next line
373 void next ();
374 // skip the current key-value (usually fetch next line, for
375 // multiline-fields, skips untilt he corresponding end-kw
376 void skip ();
377
378 //TODO: remove, deprecated
379 keyword get_kv ()
380 {
381 next ();
382 return kw;
383 }
384
385 char *get_str () { return value; } // may be 0
386 void get_ml (keyword kend, shstr &sh);
387
388 void get_ornull (shstr &sh) const { sh = value; }
389 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
390
391 bool get_bool () const { return *value_nn == '1'; }
392 sint32 get_sint32 () const;
393 sint64 get_sint64 () const { return atoll (value_nn); }
394 double get_double () const { return atof (value_nn); }
395
396 void get (float &v) { v = get_double (); }
397 void get (double &v) { v = get_double (); }
398
399 void get (bool &i) { i = get_bool (); }
400 void get (sint8 &i) { i = get_sint32 (); }
401 void get (uint8 &i) { i = get_sint32 (); }
402 void get (sint16 &i) { i = get_sint32 (); }
403 void get (uint16 &i) { i = get_sint32 (); }
404 void get (sint32 &i) { i = get_sint32 (); }
405
406 void get (uint32 &i) { i = get_sint64 (); }
407 void get (sint64 &i) { i = get_sint64 (); }
408
409 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
410};
411
412//TODO: remove
413char *fgets (char *s, int n, object_thawer &thawer);
414 294
415////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 295//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
416 296
417struct coroapi { 297struct coroapi {
418 static struct CoroAPI *GCoroAPI; 298 static struct CoroAPI *GCoroAPI;
419 299
300 static EV_ATOMIC_T cede_pending;
301
420 static int nready () { return CORO_NREADY; } 302 static int nready () { return CORO_NREADY; }
421 static int cede () { return CORO_CEDE ; } 303 static int cede () { cede_pending = 0; return CORO_CEDE ; }
422 304
423 static double (*time)();
424 static double next_cede;
425 static int cede_counter;
426
427 static void do_cede_every ();
428 static void do_cede_to_tick (); 305 static void do_cede_to_tick ();
429 static void do_cede_to_tick_every ();
430 306
431 static void cede_every (int count) 307 // actually cede's far more often
432 {
433 if (expect_false (++cede_counter >= count))
434 do_cede_every ();
435 }
436
437 static void cede_to_tick () 308 static bool cede_to_tick ()
438 { 309 {
439 if (expect_false (time () >= next_cede)) 310 if (expect_true (!cede_pending))
311 return false;
312
440 do_cede_to_tick (); 313 do_cede_to_tick ();
441 } 314 return true;
442
443 static void cede_to_tick_every (int count)
444 {
445 if (expect_false (++cede_counter >= count))
446 cede_to_tick ();
447 } 315 }
448 316
449 static void wait_for_tick (); 317 static void wait_for_tick ();
450 static void wait_for_tick_begin (); 318 static void wait_for_tick_begin ();
451}; 319};
452 320
453struct watcher_base 321struct evapi
454{ 322{
455 static struct EventAPI *GEventAPI; 323 static struct EVAPI *GEVAPI;
456}; 324};
457 325
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)> 326struct iow : ev_io, evapi, callback<void (iow &, int)>
494{ 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
495 template<class O, class M> 335 template<class O, class M>
496 iow (O object, M method) 336 iow (O object, M method)
497 : callback<void (iow &, int)> (object, method) 337 : callback<void (iow &, int)> (object, method)
498 { 338 {
499 alloc (); 339 ev_init ((ev_io *)this, thunk);
500 } 340 }
501 341
502 void fd (int fd); 342 void prio (int prio)
503 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
504 void poll (int events); 354 void poll (int events);
505 355
506private: 356 void start ()
507 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 }
508}; 402};
509 403
510#endif 404#endif
511 405

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