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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.43 by root, Sat Dec 30 15:07:59 2006 UTC vs.
Revision 1.84 by root, Sat Jul 21 18:01:26 2007 UTC

1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Crossfire TRT 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 <crossfire@schmorp.de>
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__
6 29
30#include <cstdarg>
7#include <cstdio> 31#include <cstdio>
32#include <bitset>
8 33
9using namespace std; 34using namespace std;
10 35
11#include <EXTERN.h> 36#include <EXTERN.h>
12#include <perl.h> 37#include <perl.h>
… …
35 60
36// same here, massive symbol spamming 61// same here, massive symbol spamming
37#undef do_open 62#undef do_open
38#undef do_close 63#undef do_close
39#undef ref 64#undef ref
65#undef seed
40 66
41// perl bug #40256: perl does overwrite those with reentrant versions 67// perl bug #40256: perl does overwrite those with reentrant versions
42// but does not initialise their state structures. 68// but does not initialise their state structures.
43#undef random 69#undef random
44#undef crypt 70#undef crypt
… …
59 85
60////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 86//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
61 87
62void cfperl_init (); 88void cfperl_init ();
63void cfperl_main (); 89void cfperl_main ();
90void cfperl_emergency_save ();
91void cfperl_cleanup (int make_core);
92void cfperl_make_book (object *book, int level);
93void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
94int cfperl_can_merge (object *ob1, object *ob2);
64 95
65////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
66 97
67// virtual server time, excluding time jumps and lag 98extern tstamp runtime; // virtual server time, excluding time jumps and lag
68extern double runtime; 99extern tstamp NOW; // real time of current server tick
69 100
70enum event_klass 101enum event_klass
71{ 102{
72 KLASS_NONE, 103 KLASS_NONE,
73 KLASS_GLOBAL, 104 KLASS_GLOBAL,
… …
84# define def(klass,name) EVENT_ ## klass ## _ ## name, 115# define def(klass,name) EVENT_ ## klass ## _ ## name,
85# include "eventinc.h" 116# include "eventinc.h"
86# undef def 117# undef def
87 NUM_EVENT_TYPES 118 NUM_EVENT_TYPES
88}; 119};
120
121// in which global events or per-type events are we interested
122extern bitset<NUM_EVENT_TYPES> ev_want_event;
123extern bitset<NUM_TYPES> ev_want_type;
89 124
90#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 125#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
91#define ARG_INT(v) DT_INT , static_cast<int> (v) 126#define ARG_INT(v) DT_INT , static_cast<int> (v)
92#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 127#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
93#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 128#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
100#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 135#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
101#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 136#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
102#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 137#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
103 138
104// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 139// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
105 140#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
106// all these return true when the normal event processing should be skipped (if any)
107#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 141#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
108#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 142#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
109#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 143#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
110#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 144#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
111#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 145#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
112#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 146#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
113 147
114//TODO should index into @result 148//TODO should index into @result
115#define RESULT(idx,type) cfperl_result_ ## type (idx) 149#define RESULT(idx,type) cfperl_result_ ## type (idx)
116#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 150#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
117#define RESULT_INT(idx) RESULT(idx, INT) 151#define RESULT_INT(idx) RESULT(idx, INT)
… …
119double cfperl_result_DOUBLE (int idx); 153double cfperl_result_DOUBLE (int idx);
120int cfperl_result_INT (int idx); 154int cfperl_result_INT (int idx);
121 155
122////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 156//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
123 157
158INTERFACE_CLASS (attachable)
124struct attachable 159struct attachable
125{ 160{
126 static MGVTBL vtbl; 161 static MGVTBL vtbl;
127 162
128 static unordered_vector<attachable *> mortals; 163 static unordered_vector<attachable *> mortals;
129 static void check_mortals (); 164 MTH static void check_mortals ();
130 165
131 enum { 166 enum {
132 F_DESTROYED = 0x01, 167 F_DESTROYED = 0x01,
133 F_BORROWED = 0x02, 168 F_DEBUG_TRACE = 0x02,
134 }; 169 };
135 170
136 // object is delete'd after the refcount reaches 0 171 // object is delete'd after the refcount reaches 0
172 int ACC (RW, flags);
137 mutable int refcnt; 173 mutable int ACC (RW, refcnt);
138 int flags;
139 174
140 void refcnt_inc () const { ++refcnt; } 175 MTH void refcnt_inc () const { ++refcnt; }
141 void refcnt_dec () const { --refcnt; } 176 MTH void refcnt_dec () const { --refcnt; }
142 177
178 MTH int refcnt_cnt () const;
143 // check wether the object has died and destroy 179 // check wether the object has died and destroy
144 void refcnt_chk () { if (refcnt <= 0) do_check (); } 180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
145 181
146 // destroy the object unless it was already destroyed 182 // destroy the object unless it was already destroyed
147 // this politely asks everybody interested the reduce 183 // this politely asks everybody interested the reduce
148 // the refcount to 0 as soon as possible. 184 // the refcount to 0 as soon as possible.
149 void destroy (); 185 MTH void destroy ();
150 186
151 // return wether an object was destroyed already 187 // return wether an object was destroyed already
152 bool destroyed () const { return flags & F_DESTROYED; } 188 MTH bool destroyed () const { return flags & F_DESTROYED; }
153 189
154 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 190 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
155 191
156#if 0 192#if 0
157private: 193private:
… …
161 197
162 HV *self; // CF+ perl self 198 HV *self; // CF+ perl self
163 AV *cb; // CF+ callbacks 199 AV *cb; // CF+ callbacks
164 shstr attach; // generic extension attachment information 200 shstr attach; // generic extension attachment information
165 201
202 void sever_self (); // sever this object from its self, if it has one.
166 void optimise (); // possibly save some memory by destroying unneeded data 203 void optimise (); // possibly save some memory by destroying unneeded data
167 204
168 attachable () 205 attachable ()
169 : flags (0), refcnt (0), self (0), cb (0), attach (0) 206 : flags (0), refcnt (0), self (0), cb (0), attach (0)
170 { 207 {
171 } 208 }
… …
173 attachable (const attachable &src) 210 attachable (const attachable &src)
174 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
175 { 212 {
176 } 213 }
177 214
178 virtual ~attachable (); 215 // set a custom key to the given value, or delete it if value = 0
216 void set_key (const char *key, const char *value = 0);
179 217
180 attachable &operator =(const attachable &src); 218 attachable &operator =(const attachable &src);
181 219
220 // used to _quickly_ device wether to shortcut the evaluation
221 bool should_invoke (event_type event)
222 {
223 return ev_want_event [event] || cb;
224 }
225
182 bool invoke (event_type event, ...); 226 bool invoke (event_type event, ...);
227
183 void instantiate (); 228 MTH void instantiate ();
184 void reattach (); 229 void reattach ();
185 230
186protected: 231protected:
187 // do the real refcount checking work 232 // do the real refcount checking work
188 void do_check (); 233 void do_check ();
189 234
190 // the method that does the real destroy work 235 // the method that does the real destroy work
191 virtual void do_destroy (); 236 virtual void do_destroy ();
237
238 // destructor is protected, should not be called by anybody
239 virtual ~attachable ();
192}; 240};
193 241
194// the global object is a pseudo object that cares for the global events 242// the global object is a pseudo object that cares for the global events
195struct global : attachable 243struct global : attachable
196{ 244{
… …
199 247
200extern struct global gbl_ev; 248extern struct global gbl_ev;
201 249
202////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 250//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
203 251
204struct object_freezer : dynbuf 252struct object_freezer : dynbuf_text
205{ 253{
206 AV *av; 254 AV *av;
207 255
208 object_freezer (); 256 object_freezer ();
209 ~object_freezer (); 257 ~object_freezer ();
… …
213 // used only for user-defined key-value pairs 261 // used only for user-defined key-value pairs
214 void put (const shstr &k, const shstr &v) 262 void put (const shstr &k, const shstr &v)
215 { 263 {
216 add (k); 264 add (k);
217 265
218 if (v) 266 if (expect_true (v))
219 add (' '), add (v); 267 add (' '), add (v);
220 268
221 add ('\n'); 269 add ('\n');
222 } 270 }
223 271
224 //TODO//temporary, used only for saving body locations
225 void put (const char *k, int v)
226 {
227 add (k);
228 add (' ');
229 add (sint32 (v));
230 add ('\n');
231 }
232
233 template<typename T> 272 template<typename T>
234 void put_string (keyword k, const T &v) 273 void put_kw_string (keyword k, const T &v)
235 { 274 {
236 int klen = keyword_len [k]; 275 int klen = keyword_len [k];
237 int vlen = v ? strlen (v) + 1 : 0; 276 int vlen = v ? strlen (v) + 1 : 0;
238 277
239 char *p = (char *)alloc (klen + vlen + 1); 278 char *p = (char *)alloc (klen + vlen + 1);
240 279
241 memcpy (p, keyword_str [k], klen); p += klen; 280 memcpy (p, keyword_str [k], klen); p += klen;
242 281
243 if (v) 282 if (expect_true (v))
244 { 283 {
245 *p++ = ' '; vlen--; 284 *p++ = ' '; vlen--;
246 memcpy (p, v, vlen); p += vlen; 285 memcpy (p, v, vlen); p += vlen;
247 } 286 }
248 287
249 *p = '\n'; 288 *p = '\n';
250 } 289 }
251 290
252 void put (keyword k, const char *v) 291 void put (keyword k, const char *v = 0)
253 { 292 {
254 put_string (k, v); 293 put_kw_string (k, v);
255 } 294 }
256 295
257 void put (keyword k, const shstr &v) 296 void put (keyword k, const shstr &v)
258 { 297 {
259 put_string (k, v); 298 put_kw_string (k, v);
260 } 299 }
261 300
262 void put (keyword k, double v) 301 void put (keyword k, double v)
263 { 302 {
264 char buf [128]; 303 force (MAX_KEYWORD_LEN + 2 + 32);
265 304 fadd (keyword_str [k], keyword_len [k]);
266 snprintf (buf, 128, "%.7g", v); 305 fadd (' ');
267 306 falloc (sprintf (ptr, "%.7g", v));
268 put (k, (const char *)buf); 307 fadd ('\n');
269 } 308 }
270 309
271 void put_(keyword k, sint64 v) 310 void put_(keyword k, sint64 v)
272 { 311 {
312 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
273 add (keyword_str [k], keyword_len [k]); 313 fadd (keyword_str [k], keyword_len [k]);
274 add (' '); 314 fadd (' ');
275 add (v); 315 add (v);
276 add ('\n'); 316 fadd ('\n');
277 } 317 }
278 318
279 void put_(keyword k, sint32 v) 319 void put_(keyword k, sint32 v)
280 { 320 {
321 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
281 add (keyword_str [k], keyword_len [k]); 322 fadd (keyword_str [k], keyword_len [k]);
282 add (' '); 323 fadd (' ');
283 add (v); 324 add (v);
284 add ('\n'); 325 fadd ('\n');
285 }
286
287 void put (keyword kbeg, keyword kend, const shstr &v)
288 {
289 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
290
291 if (v)
292 {
293 add (v);
294 add ('\n');
295 }
296
297 add (keyword_str [kend], keyword_len [kend]); add ('\n');
298 } 326 }
299 327
300 void put (keyword k, float v) { put (k, (double)v); } 328 void put (keyword k, float v) { put (k, (double)v); }
301 void put (keyword k, signed char v) { put_(k, (sint32)v); } 329 void put (keyword k, signed char v) { put_(k, (sint32)v); }
302 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 330 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
307 void put (keyword k, signed long v) { put_(k, (sint64)v); } 335 void put (keyword k, signed long v) { put_(k, (sint64)v); }
308 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 336 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
309 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 337 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
310 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 338 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
311 339
312 template<typename T> 340 void put (keyword kbeg, keyword kend, const shstr &v)
341 {
342 force (MAX_KEYWORD_LEN + 1);
343 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
344
345 if (expect_true (v))
346 {
347 add (v);
348 add ('\n');
349 }
350
351 force (MAX_KEYWORD_LEN + 1);
352 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
353 }
354
355 void put (keyword k, archetype *v);
356 void put (keyword k, treasurelist *v);
313 void put (keyword k, const T *v) 357 void put (keyword k, faceinfo *v);
314 {
315 if (v)
316 put (k, v->name);
317 else
318 put (k, (const char *)0);
319 }
320 358
321 template<typename T> 359 template<typename T>
322 void put (keyword k, const refptr<T> &v) 360 void put (keyword k, const refptr<T> &v)
323 { 361 {
324 put (k, (T *)v); 362 put (k, (T *)v);
325 } 363 }
326 364
327 bool save (const char *filename); 365 bool save (const char *path);
328 char *as_string (); // like strdup 366 char *as_string (); // like strdup
329 367
330 operator bool () { return !!av; } 368 operator bool () { return !!av; }
331}; 369};
332 370
333// compatibility support, should be removed when no longer needed
334int fprintf (object_freezer &freezer, const char *format, ...);
335int fputs (const char *s, object_freezer &freezer);
336
337struct object_thawer 371struct object_thawer
338{ 372{
373 char *line; // current beginning of line
339 SV *text; // text part 374 SV *text; // text part
340 AV *av; // perl part 375 AV *av; // perl part
341 char *line; // current beginning of line 376 int linenum;
342 char *last_keyword, *last_value; 377 keyword kw;
378 char *kw_str; // the keyword parsed, as string
379 char *value; // the value, or 0 if no value
380 char *value_nn; // the value, or the empty string if no value
381 const char *name;
343 382
344 operator bool () { return !!text; } 383 operator bool () { return !!text; }
345 384
346 object_thawer (const char *filename = 0); 385 object_thawer (const char *path = 0);
347 object_thawer (const char *data, AV *perlav); 386 object_thawer (const char *data, AV *perlav);
348 ~object_thawer (); 387 ~object_thawer ();
349 388
350 void get (attachable *obj, int oid); 389 void get (attachable *obj, int oid);
351 390
352 keyword get_kv (); // also parse value for later use 391 // parse next line
353 void skip_kv (keyword kw); 392 void next ();
393 // skip the current key-value (usually fetch next line, for
394 // multiline-fields, skips till the corresponding end-kw
395 void skip ();
354 396
355 const char *get_str () { return last_value; } // may be 0 397 char *get_str () { return value; } // may be 0
356
357 void get (shstr &sh) const;
358 void get_ornull (shstr &sh) const { sh = last_value; }
359 void get_ml (keyword kend, shstr &sh); 398 void get_ml (keyword kend, shstr &sh);
360 399
400 void get_ornull (shstr &sh) const { sh = value; }
401 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
402
403 bool get_bool () const { return *value_nn == '1'; }
361 sint32 get_sint32 () const; 404 sint32 get_sint32 () const;
362 sint64 get_sint64 () const; 405 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
363 double get_double () const; 406 double get_double () const { return strtod (value_nn, 0); }
364 407
365 void get (float &v) { v = get_double (); } 408 void get (float &v) { v = get_double (); }
366 void get (double &v) { v = get_double (); } 409 void get (double &v) { v = get_double (); }
367 410
368 void get (bool &i) { i = get_sint32 (); } 411 void get (bool &i) { i = get_bool (); }
369 void get (sint8 &i) { i = get_sint32 (); } 412 void get (sint8 &i) { i = get_sint32 (); }
370 void get (uint8 &i) { i = get_sint32 (); } 413 void get (uint8 &i) { i = get_sint32 (); }
371 void get (sint16 &i) { i = get_sint32 (); } 414 void get (sint16 &i) { i = get_sint32 (); }
372 void get (uint16 &i) { i = get_sint32 (); } 415 void get (uint16 &i) { i = get_sint32 (); }
373 void get (sint32 &i) { i = get_sint32 (); } 416 void get (sint32 &i) { i = get_sint32 (); }
374 417
375 void get (uint32 &i) { i = get_sint64 (); } 418 void get (uint32 &i) { i = get_sint64 (); }
376 void get (sint64 &i) { i = get_sint64 (); } 419 void get (sint64 &i) { i = get_sint64 (); }
377};
378 420
421 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
422};
423
424//TODO: remove
379char *fgets (char *s, int n, object_thawer &thawer); 425char *fgets (char *s, int n, object_thawer &thawer);
380 426
381////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 427//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
382 428
383struct coroapi { 429struct coroapi {
384 static struct CoroAPI *GCoroAPI; 430 static struct CoroAPI *GCoroAPI;
385 431
386 static int nready () { return CORO_NREADY; } 432 static int nready () { return CORO_NREADY; }
387 static int cede () { return CORO_CEDE ; } 433 static int cede () { return CORO_CEDE ; }
434
435 static tstamp next_cede;
436 static int cede_counter;
437
438 static void do_cede_every ();
439 static void do_cede_to_tick ();
440 static void do_cede_to_tick_every ();
441
442 static void cede_every (int count)
443 {
444 if (expect_false (++cede_counter >= count))
445 do_cede_every ();
446 }
447
448 static bool cede_to_tick ()
449 {
450 if (expect_true (now () < next_cede))
451 return false;
452
453 do_cede_to_tick ();
454 return true;
455 }
456
457 static bool cede_to_tick_every (int count)
458 {
459 if (expect_true (++cede_counter < count))
460 return false;
461
462 return cede_to_tick ();
463 }
464
465 static void wait_for_tick ();
466 static void wait_for_tick_begin ();
388}; 467};
389 468
390struct watcher_base 469struct watcher_base
391{ 470{
392 static struct EventAPI *GEventAPI; 471 static struct EventAPI *GEventAPI;

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