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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 1.86 by root, Mon Aug 6 10:54:12 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
125struct attachable 158INTERFACE_CLASS (attachable)
159struct attachable : refcnt_base
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 };
170 int ACC (RW, flags);
136 171
137 // object is delete'd after the refcount reaches 0 172 // object is delete'd after the refcount reaches 0
138 mutable int refcnt; 173 MTH int refcnt_cnt () const;
139 int flags;
140
141 void refcnt_inc () const { ++refcnt; }
142 void refcnt_dec () const { --refcnt; }
143
144 // check wether the object has died and destroy 174 // check wether the object has died and destroy
145 void refcnt_chk () { if (refcnt <= 0) do_check (); } 175 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
146 176
147 // destroy the object unless it was already destroyed 177 // destroy the object unless it was already destroyed
148 // this politely asks everybody interested the reduce 178 // this politely asks everybody interested the reduce
149 // the refcount to 0 as soon as possible. 179 // the refcount to 0 as soon as possible.
150 void destroy (); 180 MTH void destroy ();
151 181
152 // return wether an object was destroyed already 182 // return wether an object was destroyed already
153 bool destroyed () const { return flags & F_DESTROYED; } 183 MTH bool destroyed () const { return flags & F_DESTROYED; }
154 184
155 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 185 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
156 186
157#if 0 187#if 0
158private: 188private:
… …
162 192
163 HV *self; // CF+ perl self 193 HV *self; // CF+ perl self
164 AV *cb; // CF+ callbacks 194 AV *cb; // CF+ callbacks
165 shstr attach; // generic extension attachment information 195 shstr attach; // generic extension attachment information
166 196
197 void sever_self (); // sever this object from its self, if it has one.
167 void optimise (); // possibly save some memory by destroying unneeded data 198 void optimise (); // possibly save some memory by destroying unneeded data
168 199
169 attachable () 200 attachable ()
170 : flags (0), refcnt (0), self (0), cb (0), attach (0) 201 : flags (0), self (0), cb (0), attach (0)
171 { 202 {
172 } 203 }
173 204
174 attachable (const attachable &src) 205 attachable (const attachable &src)
175 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 206 : flags (0), self (0), cb (0), attach (src.attach)
176 { 207 {
177 } 208 }
178 209
179 virtual ~attachable (); 210 // set a custom key to the given value, or delete it if value = 0
211 void set_key (const char *key, const char *value = 0);
180 212
181 attachable &operator =(const attachable &src); 213 attachable &operator =(const attachable &src);
182 214
215 // used to _quickly_ device wether to shortcut the evaluation
216 bool should_invoke (event_type event)
217 {
218 return ev_want_event [event] || cb;
219 }
220
183 bool invoke (event_type event, ...); 221 bool invoke (event_type event, ...);
222
184 void instantiate (); 223 MTH void instantiate ();
185 void reattach (); 224 void reattach ();
186 225
187protected: 226protected:
188 // do the real refcount checking work 227 // do the real refcount checking work
189 void do_check (); 228 void do_check ();
190 229
191 // the method that does the real destroy work 230 // the method that does the real destroy work
192 virtual void do_destroy (); 231 virtual void do_destroy ();
232
233 // destructor is protected, should not be called by anybody
234 virtual ~attachable ();
193}; 235};
194 236
195// the global object is a pseudo object that cares for the global events 237// the global object is a pseudo object that cares for the global events
196struct global : attachable 238struct global : attachable
197{ 239{
… …
200 242
201extern struct global gbl_ev; 243extern struct global gbl_ev;
202 244
203////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 245//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
204 246
205struct object_freezer : dynbuf 247struct object_freezer : dynbuf_text
206{ 248{
207 AV *av; 249 AV *av;
208 250
209 object_freezer (); 251 object_freezer ();
210 ~object_freezer (); 252 ~object_freezer ();
… …
214 // used only for user-defined key-value pairs 256 // used only for user-defined key-value pairs
215 void put (const shstr &k, const shstr &v) 257 void put (const shstr &k, const shstr &v)
216 { 258 {
217 add (k); 259 add (k);
218 260
219 if (v) 261 if (expect_true (v))
220 add (' '), add (v); 262 add (' '), add (v);
221 263
222 add ('\n'); 264 add ('\n');
223 } 265 }
224 266
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> 267 template<typename T>
235 void put_string (keyword k, const T &v) 268 void put_kw_string (keyword k, const T &v)
236 { 269 {
237 int klen = keyword_len [k]; 270 int klen = keyword_len [k];
238 int vlen = v ? strlen (v) + 1 : 0; 271 int vlen = v ? strlen (v) + 1 : 0;
239 272
240 char *p = (char *)alloc (klen + vlen + 1); 273 char *p = (char *)alloc (klen + vlen + 1);
241 274
242 memcpy (p, keyword_str [k], klen); p += klen; 275 memcpy (p, keyword_str [k], klen); p += klen;
243 276
244 if (v) 277 if (expect_true (v))
245 { 278 {
246 *p++ = ' '; vlen--; 279 *p++ = ' '; vlen--;
247 memcpy (p, v, vlen); p += vlen; 280 memcpy (p, v, vlen); p += vlen;
248 } 281 }
249 282
250 *p = '\n'; 283 *p = '\n';
251 } 284 }
252 285
253 void put (keyword k, const char *v = 0) 286 void put (keyword k, const char *v = 0)
254 { 287 {
255 put_string (k, v); 288 put_kw_string (k, v);
256 } 289 }
257 290
258 void put (keyword k, const shstr &v) 291 void put (keyword k, const shstr &v)
259 { 292 {
260 put_string (k, v); 293 put_kw_string (k, v);
261 } 294 }
262 295
263 void put (keyword k, double v) 296 void put (keyword k, double v)
264 { 297 {
265 char buf [128]; 298 force (MAX_KEYWORD_LEN + 2 + 32);
266 299 fadd (keyword_str [k], keyword_len [k]);
267 snprintf (buf, 128, "%.7g", v); 300 fadd (' ');
268 301 falloc (sprintf (ptr, "%.7g", v));
269 put (k, (const char *)buf); 302 fadd ('\n');
270 } 303 }
271 304
272 void put_(keyword k, sint64 v) 305 void put_(keyword k, sint64 v)
273 { 306 {
307 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
274 add (keyword_str [k], keyword_len [k]); 308 fadd (keyword_str [k], keyword_len [k]);
275 add (' '); 309 fadd (' ');
276 add (v); 310 add (v);
277 add ('\n'); 311 fadd ('\n');
278 } 312 }
279 313
280 void put_(keyword k, sint32 v) 314 void put_(keyword k, sint32 v)
281 { 315 {
316 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
282 add (keyword_str [k], keyword_len [k]); 317 fadd (keyword_str [k], keyword_len [k]);
283 add (' '); 318 fadd (' ');
284 add (v); 319 add (v);
285 add ('\n'); 320 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 } 321 }
300 322
301 void put (keyword k, float v) { put (k, (double)v); } 323 void put (keyword k, float v) { put (k, (double)v); }
302 void put (keyword k, signed char v) { put_(k, (sint32)v); } 324 void put (keyword k, signed char v) { put_(k, (sint32)v); }
303 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
308 void put (keyword k, signed long v) { put_(k, (sint64)v); } 330 void put (keyword k, signed long v) { put_(k, (sint64)v); }
309 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
310 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 332 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); } 333 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
312 334
313 template<typename T> 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);
314 void put (keyword k, const T *v) 352 void put (keyword k, faceinfo *v);
315 {
316 if (v)
317 put (k, v->name);
318 else
319 put (k, (const char *)0);
320 }
321 353
322 template<typename T> 354 template<typename T>
323 void put (keyword k, const refptr<T> &v) 355 void put (keyword k, const refptr<T> &v)
324 { 356 {
325 put (k, (T *)v); 357 put (k, (T *)v);
326 } 358 }
327 359
328 bool save (const char *filename); 360 bool save (const char *path);
329 char *as_string (); // like strdup 361 char *as_string (); // like strdup
330 362
331 operator bool () { return !!av; } 363 operator bool () { return !!av; }
332}; 364};
333 365
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 366struct object_thawer
339{ 367{
368 char *line; // current beginning of line
340 SV *text; // text part 369 SV *text; // text part
341 AV *av; // perl part 370 AV *av; // perl part
342 char *line; // current beginning of line 371 int linenum;
343 char *last_keyword, *last_value; 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;
344 377
345 operator bool () { return !!text; } 378 operator bool () { return !!text; }
346 379
347 object_thawer (const char *filename = 0); 380 object_thawer (const char *path = 0);
348 object_thawer (const char *data, AV *perlav); 381 object_thawer (const char *data, AV *perlav);
349 ~object_thawer (); 382 ~object_thawer ();
350 383
351 void get (attachable *obj, int oid); 384 void get (attachable *obj, int oid);
352 385
353 keyword get_kv (); // also parse value for later use 386 // parse next line
354 void skip_kv (keyword kw); 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 ();
355 391
356 const char *get_str () { return last_value; } // may be 0 392 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); 393 void get_ml (keyword kend, shstr &sh);
361 394
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'; }
362 sint32 get_sint32 () const; 399 sint32 get_sint32 () const;
363 sint64 get_sint64 () const; 400 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
364 double get_double () const; 401 double get_double () const { return strtod (value_nn, 0); }
365 402
366 void get (float &v) { v = get_double (); } 403 void get (float &v) { v = get_double (); }
367 void get (double &v) { v = get_double (); } 404 void get (double &v) { v = get_double (); }
368 405
369 void get (bool &i) { i = get_sint32 (); } 406 void get (bool &i) { i = get_bool (); }
370 void get (sint8 &i) { i = get_sint32 (); } 407 void get (sint8 &i) { i = get_sint32 (); }
371 void get (uint8 &i) { i = get_sint32 (); } 408 void get (uint8 &i) { i = get_sint32 (); }
372 void get (sint16 &i) { i = get_sint32 (); } 409 void get (sint16 &i) { i = get_sint32 (); }
373 void get (uint16 &i) { i = get_sint32 (); } 410 void get (uint16 &i) { i = get_sint32 (); }
374 void get (sint32 &i) { i = get_sint32 (); } 411 void get (sint32 &i) { i = get_sint32 (); }
375 412
376 void get (uint32 &i) { i = get_sint64 (); } 413 void get (uint32 &i) { i = get_sint64 (); }
377 void get (sint64 &i) { i = get_sint64 (); } 414 void get (sint64 &i) { i = get_sint64 (); }
378};
379 415
416 void parse_warn (const char *msg);
417 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
418};
419
420//TODO: remove
380char *fgets (char *s, int n, object_thawer &thawer); 421char *fgets (char *s, int n, object_thawer &thawer);
381 422
382////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 423//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
383 424
384struct coroapi { 425struct coroapi {
385 static struct CoroAPI *GCoroAPI; 426 static struct CoroAPI *GCoroAPI;
386 427
387 static int nready () { return CORO_NREADY; } 428 static int nready () { return CORO_NREADY; }
388 static int cede () { return CORO_CEDE ; } 429 static int cede () { return CORO_CEDE ; }
430
431 static tstamp next_cede;
432 static int cede_counter;
433
434 static void do_cede_every ();
435 static void do_cede_to_tick ();
436 static void do_cede_to_tick_every ();
437
438 static void cede_every (int count)
439 {
440 if (expect_false (++cede_counter >= count))
441 do_cede_every ();
442 }
443
444 static bool cede_to_tick ()
445 {
446 if (expect_true (now () < next_cede))
447 return false;
448
449 do_cede_to_tick ();
450 return true;
451 }
452
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 ();
462 static void wait_for_tick_begin ();
389}; 463};
390 464
391struct watcher_base 465struct watcher_base
392{ 466{
393 static struct EventAPI *GEventAPI; 467 static struct EventAPI *GEventAPI;

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