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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.45 by root, Sun Dec 31 17:17:23 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>
… …
60 85
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 86//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 87
63void cfperl_init (); 88void cfperl_init ();
64void 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);
65 95
66////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
67 97
68// virtual server time, excluding time jumps and lag 98extern tstamp runtime; // virtual server time, excluding time jumps and lag
69extern double runtime; 99extern tstamp NOW; // real time of current server tick
70 100
71enum event_klass 101enum event_klass
72{ 102{
73 KLASS_NONE, 103 KLASS_NONE,
74 KLASS_GLOBAL, 104 KLASS_GLOBAL,
… …
85# define def(klass,name) EVENT_ ## klass ## _ ## name, 115# define def(klass,name) EVENT_ ## klass ## _ ## name,
86# include "eventinc.h" 116# include "eventinc.h"
87# undef def 117# undef def
88 NUM_EVENT_TYPES 118 NUM_EVENT_TYPES
89}; 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;
90 124
91#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 125#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
92#define ARG_INT(v) DT_INT , static_cast<int> (v) 126#define ARG_INT(v) DT_INT , static_cast<int> (v)
93#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 127#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
94#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 128#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
101#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 135#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
102#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 136#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
103#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 137#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
104 138
105// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 139// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
106 140#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
107// all these return true when the normal event processing should be skipped (if any)
108#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__)
109#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__)
110#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__)
111#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__)
112#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__)
113#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__)
114 147
115//TODO should index into @result 148//TODO should index into @result
116#define RESULT(idx,type) cfperl_result_ ## type (idx) 149#define RESULT(idx,type) cfperl_result_ ## type (idx)
117#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 150#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
118#define RESULT_INT(idx) RESULT(idx, INT) 151#define RESULT_INT(idx) RESULT(idx, INT)
… …
120double cfperl_result_DOUBLE (int idx); 153double cfperl_result_DOUBLE (int idx);
121int cfperl_result_INT (int idx); 154int cfperl_result_INT (int idx);
122 155
123////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 156//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124 157
158INTERFACE_CLASS (attachable)
125struct attachable 159struct attachable
126{ 160{
127 static MGVTBL vtbl; 161 static MGVTBL vtbl;
128 162
129 static unordered_vector<attachable *> mortals; 163 static unordered_vector<attachable *> mortals;
130 static void check_mortals (); 164 MTH static void check_mortals ();
131 165
132 enum { 166 enum {
133 F_DESTROYED = 0x01, 167 F_DESTROYED = 0x01,
134 F_BORROWED = 0x02, 168 F_DEBUG_TRACE = 0x02,
135 }; 169 };
136 170
137 // object is delete'd after the refcount reaches 0 171 // object is delete'd after the refcount reaches 0
172 int ACC (RW, flags);
138 mutable int refcnt; 173 mutable int ACC (RW, refcnt);
139 int flags;
140 174
141 void refcnt_inc () const { ++refcnt; } 175 MTH void refcnt_inc () const { ++refcnt; }
142 void refcnt_dec () const { --refcnt; } 176 MTH void refcnt_dec () const { --refcnt; }
143 177
178 MTH int refcnt_cnt () const;
144 // check wether the object has died and destroy 179 // check wether the object has died and destroy
145 void refcnt_chk () { if (refcnt <= 0) do_check (); } 180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
146 181
147 // destroy the object unless it was already destroyed 182 // destroy the object unless it was already destroyed
148 // this politely asks everybody interested the reduce 183 // this politely asks everybody interested the reduce
149 // the refcount to 0 as soon as possible. 184 // the refcount to 0 as soon as possible.
150 void destroy (); 185 MTH void destroy ();
151 186
152 // return wether an object was destroyed already 187 // return wether an object was destroyed already
153 bool destroyed () const { return flags & F_DESTROYED; } 188 MTH bool destroyed () const { return flags & F_DESTROYED; }
154 189
155 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 190 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
156 191
157#if 0 192#if 0
158private: 193private:
… …
162 197
163 HV *self; // CF+ perl self 198 HV *self; // CF+ perl self
164 AV *cb; // CF+ callbacks 199 AV *cb; // CF+ callbacks
165 shstr attach; // generic extension attachment information 200 shstr attach; // generic extension attachment information
166 201
202 void sever_self (); // sever this object from its self, if it has one.
167 void optimise (); // possibly save some memory by destroying unneeded data 203 void optimise (); // possibly save some memory by destroying unneeded data
168 204
169 attachable () 205 attachable ()
170 : flags (0), refcnt (0), self (0), cb (0), attach (0) 206 : flags (0), refcnt (0), self (0), cb (0), attach (0)
171 { 207 {
172 } 208 }
… …
174 attachable (const attachable &src) 210 attachable (const attachable &src)
175 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
176 { 212 {
177 } 213 }
178 214
179 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);
180 217
181 attachable &operator =(const attachable &src); 218 attachable &operator =(const attachable &src);
182 219
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
183 bool invoke (event_type event, ...); 226 bool invoke (event_type event, ...);
227
184 void instantiate (); 228 MTH void instantiate ();
185 void reattach (); 229 void reattach ();
186 230
187protected: 231protected:
188 // do the real refcount checking work 232 // do the real refcount checking work
189 void do_check (); 233 void do_check ();
190 234
191 // the method that does the real destroy work 235 // the method that does the real destroy work
192 virtual void do_destroy (); 236 virtual void do_destroy ();
237
238 // destructor is protected, should not be called by anybody
239 virtual ~attachable ();
193}; 240};
194 241
195// 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
196struct global : attachable 243struct global : attachable
197{ 244{
… …
200 247
201extern struct global gbl_ev; 248extern struct global gbl_ev;
202 249
203////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 250//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
204 251
205struct object_freezer : dynbuf 252struct object_freezer : dynbuf_text
206{ 253{
207 AV *av; 254 AV *av;
208 255
209 object_freezer (); 256 object_freezer ();
210 ~object_freezer (); 257 ~object_freezer ();
… …
214 // used only for user-defined key-value pairs 261 // used only for user-defined key-value pairs
215 void put (const shstr &k, const shstr &v) 262 void put (const shstr &k, const shstr &v)
216 { 263 {
217 add (k); 264 add (k);
218 265
219 if (v) 266 if (expect_true (v))
220 add (' '), add (v); 267 add (' '), add (v);
221 268
222 add ('\n'); 269 add ('\n');
223 } 270 }
224 271
225 //TODO//temporary, used only for saving body locations
226 void put (const char *k, int v)
227 {
228 add (k);
229 add (' ');
230 add (sint32 (v));
231 add ('\n');
232 }
233
234 template<typename T> 272 template<typename T>
235 void put_string (keyword k, const T &v) 273 void put_kw_string (keyword k, const T &v)
236 { 274 {
237 int klen = keyword_len [k]; 275 int klen = keyword_len [k];
238 int vlen = v ? strlen (v) + 1 : 0; 276 int vlen = v ? strlen (v) + 1 : 0;
239 277
240 char *p = (char *)alloc (klen + vlen + 1); 278 char *p = (char *)alloc (klen + vlen + 1);
241 279
242 memcpy (p, keyword_str [k], klen); p += klen; 280 memcpy (p, keyword_str [k], klen); p += klen;
243 281
244 if (v) 282 if (expect_true (v))
245 { 283 {
246 *p++ = ' '; vlen--; 284 *p++ = ' '; vlen--;
247 memcpy (p, v, vlen); p += vlen; 285 memcpy (p, v, vlen); p += vlen;
248 } 286 }
249 287
250 *p = '\n'; 288 *p = '\n';
251 } 289 }
252 290
253 void put (keyword k, const char *v = 0) 291 void put (keyword k, const char *v = 0)
254 { 292 {
255 put_string (k, v); 293 put_kw_string (k, v);
256 } 294 }
257 295
258 void put (keyword k, const shstr &v) 296 void put (keyword k, const shstr &v)
259 { 297 {
260 put_string (k, v); 298 put_kw_string (k, v);
261 } 299 }
262 300
263 void put (keyword k, double v) 301 void put (keyword k, double v)
264 { 302 {
265 char buf [128]; 303 force (MAX_KEYWORD_LEN + 2 + 32);
266 304 fadd (keyword_str [k], keyword_len [k]);
267 snprintf (buf, 128, "%.7g", v); 305 fadd (' ');
268 306 falloc (sprintf (ptr, "%.7g", v));
269 put (k, (const char *)buf); 307 fadd ('\n');
270 } 308 }
271 309
272 void put_(keyword k, sint64 v) 310 void put_(keyword k, sint64 v)
273 { 311 {
312 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
274 add (keyword_str [k], keyword_len [k]); 313 fadd (keyword_str [k], keyword_len [k]);
275 add (' '); 314 fadd (' ');
276 add (v); 315 add (v);
277 add ('\n'); 316 fadd ('\n');
278 } 317 }
279 318
280 void put_(keyword k, sint32 v) 319 void put_(keyword k, sint32 v)
281 { 320 {
321 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
282 add (keyword_str [k], keyword_len [k]); 322 fadd (keyword_str [k], keyword_len [k]);
283 add (' '); 323 fadd (' ');
284 add (v); 324 add (v);
285 add ('\n'); 325 fadd ('\n');
286 }
287
288 void put (keyword kbeg, keyword kend, const shstr &v)
289 {
290 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
291
292 if (v)
293 {
294 add (v);
295 add ('\n');
296 }
297
298 add (keyword_str [kend], keyword_len [kend]); add ('\n');
299 } 326 }
300 327
301 void put (keyword k, float v) { put (k, (double)v); } 328 void put (keyword k, float v) { put (k, (double)v); }
302 void put (keyword k, signed char v) { put_(k, (sint32)v); } 329 void put (keyword k, signed char v) { put_(k, (sint32)v); }
303 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 330 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
308 void put (keyword k, signed long v) { put_(k, (sint64)v); } 335 void put (keyword k, signed long v) { put_(k, (sint64)v); }
309 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 336 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
310 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); }
311 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); }
312 339
313 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);
314 void put (keyword k, const T *v) 357 void put (keyword k, faceinfo *v);
315 {
316 if (v)
317 put (k, v->name);
318 else
319 put (k, (const char *)0);
320 }
321 358
322 template<typename T> 359 template<typename T>
323 void put (keyword k, const refptr<T> &v) 360 void put (keyword k, const refptr<T> &v)
324 { 361 {
325 put (k, (T *)v); 362 put (k, (T *)v);
326 } 363 }
327 364
328 bool save (const char *filename); 365 bool save (const char *path);
329 char *as_string (); // like strdup 366 char *as_string (); // like strdup
330 367
331 operator bool () { return !!av; } 368 operator bool () { return !!av; }
332}; 369};
333 370
334// compatibility support, should be removed when no longer needed
335int fprintf (object_freezer &freezer, const char *format, ...);
336int fputs (const char *s, object_freezer &freezer);
337
338struct object_thawer 371struct object_thawer
339{ 372{
373 char *line; // current beginning of line
340 SV *text; // text part 374 SV *text; // text part
341 AV *av; // perl part 375 AV *av; // perl part
342 char *line; // current beginning of line 376 int linenum;
343 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;
344 382
345 operator bool () { return !!text; } 383 operator bool () { return !!text; }
346 384
347 object_thawer (const char *filename = 0); 385 object_thawer (const char *path = 0);
348 object_thawer (const char *data, AV *perlav); 386 object_thawer (const char *data, AV *perlav);
349 ~object_thawer (); 387 ~object_thawer ();
350 388
351 void get (attachable *obj, int oid); 389 void get (attachable *obj, int oid);
352 390
353 keyword get_kv (); // also parse value for later use 391 // parse next line
354 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 ();
355 396
356 const char *get_str () { return last_value; } // may be 0 397 char *get_str () { return value; } // may be 0
357
358 void get (shstr &sh) const;
359 void get_ornull (shstr &sh) const { sh = last_value; }
360 void get_ml (keyword kend, shstr &sh); 398 void get_ml (keyword kend, shstr &sh);
361 399
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'; }
362 sint32 get_sint32 () const; 404 sint32 get_sint32 () const;
363 sint64 get_sint64 () const; 405 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
364 double get_double () const; 406 double get_double () const { return strtod (value_nn, 0); }
365 407
366 void get (float &v) { v = get_double (); } 408 void get (float &v) { v = get_double (); }
367 void get (double &v) { v = get_double (); } 409 void get (double &v) { v = get_double (); }
368 410
369 void get (bool &i) { i = get_sint32 (); } 411 void get (bool &i) { i = get_bool (); }
370 void get (sint8 &i) { i = get_sint32 (); } 412 void get (sint8 &i) { i = get_sint32 (); }
371 void get (uint8 &i) { i = get_sint32 (); } 413 void get (uint8 &i) { i = get_sint32 (); }
372 void get (sint16 &i) { i = get_sint32 (); } 414 void get (sint16 &i) { i = get_sint32 (); }
373 void get (uint16 &i) { i = get_sint32 (); } 415 void get (uint16 &i) { i = get_sint32 (); }
374 void get (sint32 &i) { i = get_sint32 (); } 416 void get (sint32 &i) { i = get_sint32 (); }
375 417
376 void get (uint32 &i) { i = get_sint64 (); } 418 void get (uint32 &i) { i = get_sint64 (); }
377 void get (sint64 &i) { i = get_sint64 (); } 419 void get (sint64 &i) { i = get_sint64 (); }
378};
379 420
421 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
422};
423
424//TODO: remove
380char *fgets (char *s, int n, object_thawer &thawer); 425char *fgets (char *s, int n, object_thawer &thawer);
381 426
382////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 427//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
383 428
384struct coroapi { 429struct coroapi {
385 static struct CoroAPI *GCoroAPI; 430 static struct CoroAPI *GCoroAPI;
386 431
387 static int nready () { return CORO_NREADY; } 432 static int nready () { return CORO_NREADY; }
388 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 ();
389}; 467};
390 468
391struct watcher_base 469struct watcher_base
392{ 470{
393 static struct EventAPI *GEventAPI; 471 static struct EventAPI *GEventAPI;

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