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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.48 by root, Sun Jan 7 18:01:09 2007 UTC vs.
Revision 1.85 by root, Wed Aug 1 20:07:06 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)
… …
129 162
130 static unordered_vector<attachable *> mortals; 163 static unordered_vector<attachable *> mortals;
131 MTH static void check_mortals (); 164 MTH static void check_mortals ();
132 165
133 enum { 166 enum {
134 F_DESTROYED = 0x01, 167 F_DESTROYED = 0x01,
135 F_BORROWED = 0x02, 168 F_DEBUG_TRACE = 0x02,
136 }; 169 };
137 170
138 // object is delete'd after the refcount reaches 0 171 // object is delete'd after the refcount reaches 0
172 int ACC (RW, flags);
139 mutable int ACC (RW, refcnt); 173 mutable int ACC (RW, refcnt);
140 int ACC (RW, flags);
141 174
142 MTH void refcnt_inc () const { ++refcnt; } 175 MTH void refcnt_inc () const { ++refcnt; }
143 MTH void refcnt_dec () const { --refcnt; } 176 MTH void refcnt_dec () const { --refcnt; }
144 177
178 MTH int refcnt_cnt () const;
145 // check wether the object has died and destroy 179 // check wether the object has died and destroy
146 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
147 181
148 // destroy the object unless it was already destroyed 182 // destroy the object unless it was already destroyed
149 // this politely asks everybody interested the reduce 183 // this politely asks everybody interested the reduce
150 // the refcount to 0 as soon as possible. 184 // the refcount to 0 as soon as possible.
151 MTH void destroy (); 185 MTH void destroy ();
… …
163 197
164 HV *self; // CF+ perl self 198 HV *self; // CF+ perl self
165 AV *cb; // CF+ callbacks 199 AV *cb; // CF+ callbacks
166 shstr attach; // generic extension attachment information 200 shstr attach; // generic extension attachment information
167 201
202 void sever_self (); // sever this object from its self, if it has one.
168 void optimise (); // possibly save some memory by destroying unneeded data 203 void optimise (); // possibly save some memory by destroying unneeded data
169 204
170 attachable () 205 attachable ()
171 : flags (0), refcnt (0), self (0), cb (0), attach (0) 206 : flags (0), refcnt (0), self (0), cb (0), attach (0)
172 { 207 {
173 } 208 }
… …
175 attachable (const attachable &src) 210 attachable (const attachable &src)
176 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
177 { 212 {
178 } 213 }
179 214
180 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);
181 217
182 attachable &operator =(const attachable &src); 218 attachable &operator =(const attachable &src);
183 219
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
184 bool invoke (event_type event, ...); 226 bool invoke (event_type event, ...);
227
185 MTH void instantiate (); 228 MTH void instantiate ();
186 void reattach (); 229 void reattach ();
187 230
188protected: 231protected:
189 // do the real refcount checking work 232 // do the real refcount checking work
190 void do_check (); 233 void do_check ();
191 234
192 // the method that does the real destroy work 235 // the method that does the real destroy work
193 virtual void do_destroy (); 236 virtual void do_destroy ();
237
238 // destructor is protected, should not be called by anybody
239 virtual ~attachable ();
194}; 240};
195 241
196// 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
197struct global : attachable 243struct global : attachable
198{ 244{
… …
201 247
202extern struct global gbl_ev; 248extern struct global gbl_ev;
203 249
204////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 250//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
205 251
206struct object_freezer : dynbuf 252struct object_freezer : dynbuf_text
207{ 253{
208 AV *av; 254 AV *av;
209 255
210 object_freezer (); 256 object_freezer ();
211 ~object_freezer (); 257 ~object_freezer ();
… …
215 // used only for user-defined key-value pairs 261 // used only for user-defined key-value pairs
216 void put (const shstr &k, const shstr &v) 262 void put (const shstr &k, const shstr &v)
217 { 263 {
218 add (k); 264 add (k);
219 265
220 if (v) 266 if (expect_true (v))
221 add (' '), add (v); 267 add (' '), add (v);
222 268
223 add ('\n'); 269 add ('\n');
224 } 270 }
225 271
226 //TODO//temporary, used only for saving body locations
227 void put (const char *k, int v)
228 {
229 add (k);
230 add (' ');
231 add (sint32 (v));
232 add ('\n');
233 }
234
235 template<typename T> 272 template<typename T>
236 void put_string (keyword k, const T &v) 273 void put_kw_string (keyword k, const T &v)
237 { 274 {
238 int klen = keyword_len [k]; 275 int klen = keyword_len [k];
239 int vlen = v ? strlen (v) + 1 : 0; 276 int vlen = v ? strlen (v) + 1 : 0;
240 277
241 char *p = (char *)alloc (klen + vlen + 1); 278 char *p = (char *)alloc (klen + vlen + 1);
242 279
243 memcpy (p, keyword_str [k], klen); p += klen; 280 memcpy (p, keyword_str [k], klen); p += klen;
244 281
245 if (v) 282 if (expect_true (v))
246 { 283 {
247 *p++ = ' '; vlen--; 284 *p++ = ' '; vlen--;
248 memcpy (p, v, vlen); p += vlen; 285 memcpy (p, v, vlen); p += vlen;
249 } 286 }
250 287
251 *p = '\n'; 288 *p = '\n';
252 } 289 }
253 290
254 void put (keyword k, const char *v = 0) 291 void put (keyword k, const char *v = 0)
255 { 292 {
256 put_string (k, v); 293 put_kw_string (k, v);
257 } 294 }
258 295
259 void put (keyword k, const shstr &v) 296 void put (keyword k, const shstr &v)
260 { 297 {
261 put_string (k, v); 298 put_kw_string (k, v);
262 } 299 }
263 300
264 void put (keyword k, double v) 301 void put (keyword k, double v)
265 { 302 {
266 char buf [128]; 303 force (MAX_KEYWORD_LEN + 2 + 32);
267 304 fadd (keyword_str [k], keyword_len [k]);
268 snprintf (buf, 128, "%.7g", v); 305 fadd (' ');
269 306 falloc (sprintf (ptr, "%.7g", v));
270 put (k, (const char *)buf); 307 fadd ('\n');
271 } 308 }
272 309
273 void put_(keyword k, sint64 v) 310 void put_(keyword k, sint64 v)
274 { 311 {
312 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
275 add (keyword_str [k], keyword_len [k]); 313 fadd (keyword_str [k], keyword_len [k]);
276 add (' '); 314 fadd (' ');
277 add (v); 315 add (v);
278 add ('\n'); 316 fadd ('\n');
279 } 317 }
280 318
281 void put_(keyword k, sint32 v) 319 void put_(keyword k, sint32 v)
282 { 320 {
321 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
283 add (keyword_str [k], keyword_len [k]); 322 fadd (keyword_str [k], keyword_len [k]);
284 add (' '); 323 fadd (' ');
285 add (v); 324 add (v);
286 add ('\n'); 325 fadd ('\n');
287 }
288
289 void put (keyword kbeg, keyword kend, const shstr &v)
290 {
291 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
292
293 if (v)
294 {
295 add (v);
296 add ('\n');
297 }
298
299 add (keyword_str [kend], keyword_len [kend]); add ('\n');
300 } 326 }
301 327
302 void put (keyword k, float v) { put (k, (double)v); } 328 void put (keyword k, float v) { put (k, (double)v); }
303 void put (keyword k, signed char v) { put_(k, (sint32)v); } 329 void put (keyword k, signed char v) { put_(k, (sint32)v); }
304 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 330 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
309 void put (keyword k, signed long v) { put_(k, (sint64)v); } 335 void put (keyword k, signed long v) { put_(k, (sint64)v); }
310 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 336 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
311 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); }
312 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); }
313 339
314 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);
315 void put (keyword k, const T *v) 357 void put (keyword k, faceinfo *v);
316 {
317 if (v)
318 put (k, v->name);
319 else
320 put (k, (const char *)0);
321 }
322 358
323 template<typename T> 359 template<typename T>
324 void put (keyword k, const refptr<T> &v) 360 void put (keyword k, const refptr<T> &v)
325 { 361 {
326 put (k, (T *)v); 362 put (k, (T *)v);
… …
330 char *as_string (); // like strdup 366 char *as_string (); // like strdup
331 367
332 operator bool () { return !!av; } 368 operator bool () { return !!av; }
333}; 369};
334 370
335// compatibility support, should be removed when no longer needed
336int fprintf (object_freezer &freezer, const char *format, ...);
337int fputs (const char *s, object_freezer &freezer);
338
339struct object_thawer 371struct object_thawer
340{ 372{
373 char *line; // current beginning of line
341 SV *text; // text part 374 SV *text; // text part
342 AV *av; // perl part 375 AV *av; // perl part
343 char *line; // current beginning of line 376 int linenum;
344 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
345 const char *name; 381 const char *name;
346 382
347 operator bool () { return !!text; } 383 operator bool () { return !!text; }
348 384
349 object_thawer (const char *path = 0); 385 object_thawer (const char *path = 0);
350 object_thawer (const char *data, AV *perlav); 386 object_thawer (const char *data, AV *perlav);
351 ~object_thawer (); 387 ~object_thawer ();
352 388
353 void get (attachable *obj, int oid); 389 void get (attachable *obj, int oid);
354 390
355 keyword get_kv (); // also parse value for later use 391 // parse next line
356 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 ();
357 396
358 const char *get_str () { return last_value; } // may be 0 397 char *get_str () { return value; } // may be 0
359
360 void get (shstr &sh) const;
361 void get_ornull (shstr &sh) const { sh = last_value; }
362 void get_ml (keyword kend, shstr &sh); 398 void get_ml (keyword kend, shstr &sh);
363 399
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'; }
364 sint32 get_sint32 () const; 404 sint32 get_sint32 () const;
365 sint64 get_sint64 () const; 405 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
366 double get_double () const; 406 double get_double () const { return strtod (value_nn, 0); }
367 407
368 void get (float &v) { v = get_double (); } 408 void get (float &v) { v = get_double (); }
369 void get (double &v) { v = get_double (); } 409 void get (double &v) { v = get_double (); }
370 410
371 void get (bool &i) { i = get_sint32 (); } 411 void get (bool &i) { i = get_bool (); }
372 void get (sint8 &i) { i = get_sint32 (); } 412 void get (sint8 &i) { i = get_sint32 (); }
373 void get (uint8 &i) { i = get_sint32 (); } 413 void get (uint8 &i) { i = get_sint32 (); }
374 void get (sint16 &i) { i = get_sint32 (); } 414 void get (sint16 &i) { i = get_sint32 (); }
375 void get (uint16 &i) { i = get_sint32 (); } 415 void get (uint16 &i) { i = get_sint32 (); }
376 void get (sint32 &i) { i = get_sint32 (); } 416 void get (sint32 &i) { i = get_sint32 (); }
377 417
378 void get (uint32 &i) { i = get_sint64 (); } 418 void get (uint32 &i) { i = get_sint64 (); }
379 void get (sint64 &i) { i = get_sint64 (); } 419 void get (sint64 &i) { i = get_sint64 (); }
380};
381 420
421 void parse_warn (const char *msg);
422 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
423};
424
425//TODO: remove
382char *fgets (char *s, int n, object_thawer &thawer); 426char *fgets (char *s, int n, object_thawer &thawer);
383 427
384////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 428//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
385 429
386struct coroapi { 430struct coroapi {
387 static struct CoroAPI *GCoroAPI; 431 static struct CoroAPI *GCoroAPI;
388 432
389 static int nready () { return CORO_NREADY; } 433 static int nready () { return CORO_NREADY; }
390 static int cede () { return CORO_CEDE ; } 434 static int cede () { return CORO_CEDE ; }
391 435
436 static tstamp next_cede;
392 static int cede_counter; 437 static int cede_counter;
393 438
439 static void do_cede_every ();
440 static void do_cede_to_tick ();
441 static void do_cede_to_tick_every ();
442
394 static void cede_every (int count) 443 static void cede_every (int count)
395 { 444 {
396 if (++cede_counter >= count) 445 if (expect_false (++cede_counter >= count))
397 { 446 do_cede_every ();
398 cede_counter = 0;
399
400 if (coroapi::nready ())
401 coroapi::cede ();
402 }
403 } 447 }
448
449 static bool cede_to_tick ()
450 {
451 if (expect_true (now () < next_cede))
452 return false;
453
454 do_cede_to_tick ();
455 return true;
456 }
457
458 static bool cede_to_tick_every (int count)
459 {
460 if (expect_true (++cede_counter < count))
461 return false;
462
463 return cede_to_tick ();
464 }
465
466 static void wait_for_tick ();
467 static void wait_for_tick_begin ();
404}; 468};
405 469
406struct watcher_base 470struct watcher_base
407{ 471{
408 static struct EventAPI *GEventAPI; 472 static struct EventAPI *GEventAPI;

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