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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 1.82 by root, Wed Jul 11 16:55:18 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);
64 94
65////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
66 96
67// virtual server time, excluding time jumps and lag 97extern tstamp runtime; // virtual server time, excluding time jumps and lag
68extern double runtime; 98extern tstamp NOW; // real time of current server tick
69 99
70enum event_klass 100enum event_klass
71{ 101{
72 KLASS_NONE, 102 KLASS_NONE,
73 KLASS_GLOBAL, 103 KLASS_GLOBAL,
… …
84# define def(klass,name) EVENT_ ## klass ## _ ## name, 114# define def(klass,name) EVENT_ ## klass ## _ ## name,
85# include "eventinc.h" 115# include "eventinc.h"
86# undef def 116# undef def
87 NUM_EVENT_TYPES 117 NUM_EVENT_TYPES
88}; 118};
119
120// in which global events or per-type events are we interested
121extern bitset<NUM_EVENT_TYPES> ev_want_event;
122extern bitset<NUM_TYPES> ev_want_type;
89 123
90#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 124#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
91#define ARG_INT(v) DT_INT , static_cast<int> (v) 125#define ARG_INT(v) DT_INT , static_cast<int> (v)
92#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 126#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
93#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 127#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
100#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 134#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
101#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 135#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
102#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 136#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
103 137
104// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 138// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
105 139#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) 140#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) 141#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) 142#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) 143#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) 144#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) 145#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
113 146
114//TODO should index into @result 147//TODO should index into @result
115#define RESULT(idx,type) cfperl_result_ ## type (idx) 148#define RESULT(idx,type) cfperl_result_ ## type (idx)
116#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 149#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
117#define RESULT_INT(idx) RESULT(idx, INT) 150#define RESULT_INT(idx) RESULT(idx, INT)
… …
119double cfperl_result_DOUBLE (int idx); 152double cfperl_result_DOUBLE (int idx);
120int cfperl_result_INT (int idx); 153int cfperl_result_INT (int idx);
121 154
122////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 155//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
123 156
157INTERFACE_CLASS (attachable)
124struct attachable 158struct attachable
125{ 159{
126 static MGVTBL vtbl; 160 static MGVTBL vtbl;
127 161
128 static unordered_vector<attachable *> mortals; 162 static unordered_vector<attachable *> mortals;
129 static void check_mortals (); 163 MTH static void check_mortals ();
130 164
131 enum { 165 enum {
132 F_DESTROYED = 0x01, 166 F_DESTROYED = 0x01,
133 F_BORROWED = 0x02, 167 F_DEBUG_TRACE = 0x02,
134 }; 168 };
135 169
136 // object is delete'd after the refcount reaches 0 170 // object is delete'd after the refcount reaches 0
171 int ACC (RW, flags);
137 mutable int refcnt; 172 mutable int ACC (RW, refcnt);
138 int flags;
139 173
140 void refcnt_inc () const { ++refcnt; } 174 MTH void refcnt_inc () const { ++refcnt; }
141 void refcnt_dec () const { --refcnt; } 175 MTH void refcnt_dec () const { --refcnt; }
142 176
177 MTH int refcnt_cnt () const;
143 // check wether the object has died and destroy 178 // check wether the object has died and destroy
144 void refcnt_chk () { if (refcnt <= 0) do_check (); } 179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
145 180
146 // destroy the object unless it was already destroyed 181 // destroy the object unless it was already destroyed
147 // this politely asks everybody interested the reduce 182 // this politely asks everybody interested the reduce
148 // the refcount to 0 as soon as possible. 183 // the refcount to 0 as soon as possible.
149 void destroy (); 184 MTH void destroy ();
150 185
151 // return wether an object was destroyed already 186 // return wether an object was destroyed already
152 bool destroyed () const { return flags & F_DESTROYED; } 187 MTH bool destroyed () const { return flags & F_DESTROYED; }
153 188
154 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 189 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
155 190
156#if 0 191#if 0
157private: 192private:
… …
161 196
162 HV *self; // CF+ perl self 197 HV *self; // CF+ perl self
163 AV *cb; // CF+ callbacks 198 AV *cb; // CF+ callbacks
164 shstr attach; // generic extension attachment information 199 shstr attach; // generic extension attachment information
165 200
201 void sever_self (); // sever this object from its self, if it has one.
166 void optimise (); // possibly save some memory by destroying unneeded data 202 void optimise (); // possibly save some memory by destroying unneeded data
167 203
168 attachable () 204 attachable ()
169 : flags (0), refcnt (0), self (0), cb (0), attach (0) 205 : flags (0), refcnt (0), self (0), cb (0), attach (0)
170 { 206 {
171 } 207 }
… …
175 { 211 {
176 } 212 }
177 213
178 virtual ~attachable (); 214 virtual ~attachable ();
179 215
216 // set a custom key to the given value, or delete it if value = 0
217 void set_key (const char *key, const char *value = 0);
218
180 attachable &operator =(const attachable &src); 219 attachable &operator =(const attachable &src);
181 220
221 // used to _quickly_ device wether to shortcut the evaluation
222 bool should_invoke (event_type event)
223 {
224 return ev_want_event [event] || cb;
225 }
226
182 bool invoke (event_type event, ...); 227 bool invoke (event_type event, ...);
228
183 void instantiate (); 229 MTH void instantiate ();
184 void reattach (); 230 void reattach ();
185 231
186protected: 232protected:
187 // do the real refcount checking work 233 // do the real refcount checking work
188 void do_check (); 234 void do_check ();
… …
199 245
200extern struct global gbl_ev; 246extern struct global gbl_ev;
201 247
202////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 248//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
203 249
204struct object_freezer : dynbuf 250struct object_freezer : dynbuf_text
205{ 251{
206 AV *av; 252 AV *av;
207 253
208 object_freezer (); 254 object_freezer ();
209 ~object_freezer (); 255 ~object_freezer ();
… …
213 // used only for user-defined key-value pairs 259 // used only for user-defined key-value pairs
214 void put (const shstr &k, const shstr &v) 260 void put (const shstr &k, const shstr &v)
215 { 261 {
216 add (k); 262 add (k);
217 263
218 if (v) 264 if (expect_true (v))
219 add (' '), add (v); 265 add (' '), add (v);
220 266
221 add ('\n'); 267 add ('\n');
222 } 268 }
223 269
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> 270 template<typename T>
234 void put_string (keyword k, const T &v) 271 void put_kw_string (keyword k, const T &v)
235 { 272 {
236 int klen = keyword_len [k]; 273 int klen = keyword_len [k];
237 int vlen = v ? strlen (v) + 1 : 0; 274 int vlen = v ? strlen (v) + 1 : 0;
238 275
239 char *p = (char *)alloc (klen + vlen + 1); 276 char *p = (char *)alloc (klen + vlen + 1);
240 277
241 memcpy (p, keyword_str [k], klen); p += klen; 278 memcpy (p, keyword_str [k], klen); p += klen;
242 279
243 if (v) 280 if (expect_true (v))
244 { 281 {
245 *p++ = ' '; vlen--; 282 *p++ = ' '; vlen--;
246 memcpy (p, v, vlen); p += vlen; 283 memcpy (p, v, vlen); p += vlen;
247 } 284 }
248 285
249 *p = '\n'; 286 *p = '\n';
250 } 287 }
251 288
252 void put (keyword k, const char *v) 289 void put (keyword k, const char *v = 0)
253 { 290 {
254 put_string (k, v); 291 put_kw_string (k, v);
255 } 292 }
256 293
257 void put (keyword k, const shstr &v) 294 void put (keyword k, const shstr &v)
258 { 295 {
259 put_string (k, v); 296 put_kw_string (k, v);
260 } 297 }
261 298
262 void put (keyword k, double v) 299 void put (keyword k, double v)
263 { 300 {
264 char buf [128]; 301 force (MAX_KEYWORD_LEN + 2 + 32);
265 302 fadd (keyword_str [k], keyword_len [k]);
266 snprintf (buf, 128, "%.7g", v); 303 fadd (' ');
267 304 falloc (sprintf (ptr, "%.7g", v));
268 put (k, (const char *)buf); 305 fadd ('\n');
269 } 306 }
270 307
271 void put_(keyword k, sint64 v) 308 void put_(keyword k, sint64 v)
272 { 309 {
310 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
273 add (keyword_str [k], keyword_len [k]); 311 fadd (keyword_str [k], keyword_len [k]);
274 add (' '); 312 fadd (' ');
275 add (v); 313 add (v);
276 add ('\n'); 314 fadd ('\n');
277 } 315 }
278 316
279 void put_(keyword k, sint32 v) 317 void put_(keyword k, sint32 v)
280 { 318 {
319 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
281 add (keyword_str [k], keyword_len [k]); 320 fadd (keyword_str [k], keyword_len [k]);
282 add (' '); 321 fadd (' ');
283 add (v); 322 add (v);
284 add ('\n'); 323 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 } 324 }
299 325
300 void put (keyword k, float v) { put (k, (double)v); } 326 void put (keyword k, float v) { put (k, (double)v); }
301 void put (keyword k, signed char v) { put_(k, (sint32)v); } 327 void put (keyword k, signed char v) { put_(k, (sint32)v); }
302 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 328 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
307 void put (keyword k, signed long v) { put_(k, (sint64)v); } 333 void put (keyword k, signed long v) { put_(k, (sint64)v); }
308 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 334 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
309 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 335 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); } 336 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
311 337
312 template<typename T> 338 void put (keyword kbeg, keyword kend, const shstr &v)
339 {
340 force (MAX_KEYWORD_LEN + 1);
341 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
342
343 if (expect_true (v))
344 {
345 add (v);
346 add ('\n');
347 }
348
349 force (MAX_KEYWORD_LEN + 1);
350 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
351 }
352
353 void put (keyword k, archetype *v);
354 void put (keyword k, treasurelist *v);
313 void put (keyword k, const T *v) 355 void put (keyword k, faceinfo *v);
314 {
315 if (v)
316 put (k, v->name);
317 else
318 put (k, (const char *)0);
319 }
320 356
321 template<typename T> 357 template<typename T>
322 void put (keyword k, const refptr<T> &v) 358 void put (keyword k, const refptr<T> &v)
323 { 359 {
324 put (k, (T *)v); 360 put (k, (T *)v);
325 } 361 }
326 362
327 bool save (const char *filename); 363 bool save (const char *path);
328 char *as_string (); // like strdup 364 char *as_string (); // like strdup
329 365
330 operator bool () { return !!av; } 366 operator bool () { return !!av; }
331}; 367};
332 368
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 369struct object_thawer
338{ 370{
371 char *line; // current beginning of line
339 SV *text; // text part 372 SV *text; // text part
340 AV *av; // perl part 373 AV *av; // perl part
341 char *line; // current beginning of line 374 int linenum;
342 char *last_keyword, *last_value; 375 keyword kw;
376 char *kw_str; // the keyword parsed, as string
377 char *value; // the value, or 0 if no value
378 char *value_nn; // the value, or the empty string if no value
379 const char *name;
343 380
344 operator bool () { return !!text; } 381 operator bool () { return !!text; }
345 382
346 object_thawer (const char *filename = 0); 383 object_thawer (const char *path = 0);
347 object_thawer (const char *data, AV *perlav); 384 object_thawer (const char *data, AV *perlav);
348 ~object_thawer (); 385 ~object_thawer ();
349 386
350 void get (attachable *obj, int oid); 387 void get (attachable *obj, int oid);
351 388
352 keyword get_kv (); // also parse value for later use 389 // parse next line
353 void skip_kv (keyword kw); 390 void next ();
391 // skip the current key-value (usually fetch next line, for
392 // multiline-fields, skips till the corresponding end-kw
393 void skip ();
354 394
355 const char *get_str () { return last_value; } // may be 0 395 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); 396 void get_ml (keyword kend, shstr &sh);
360 397
398 void get_ornull (shstr &sh) const { sh = value; }
399 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
400
401 bool get_bool () const { return *value_nn == '1'; }
361 sint32 get_sint32 () const; 402 sint32 get_sint32 () const;
362 sint64 get_sint64 () const; 403 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
363 double get_double () const; 404 double get_double () const { return strtod (value_nn, 0); }
364 405
365 void get (float &v) { v = get_double (); } 406 void get (float &v) { v = get_double (); }
366 void get (double &v) { v = get_double (); } 407 void get (double &v) { v = get_double (); }
367 408
368 void get (bool &i) { i = get_sint32 (); } 409 void get (bool &i) { i = get_bool (); }
369 void get (sint8 &i) { i = get_sint32 (); } 410 void get (sint8 &i) { i = get_sint32 (); }
370 void get (uint8 &i) { i = get_sint32 (); } 411 void get (uint8 &i) { i = get_sint32 (); }
371 void get (sint16 &i) { i = get_sint32 (); } 412 void get (sint16 &i) { i = get_sint32 (); }
372 void get (uint16 &i) { i = get_sint32 (); } 413 void get (uint16 &i) { i = get_sint32 (); }
373 void get (sint32 &i) { i = get_sint32 (); } 414 void get (sint32 &i) { i = get_sint32 (); }
374 415
375 void get (uint32 &i) { i = get_sint64 (); } 416 void get (uint32 &i) { i = get_sint64 (); }
376 void get (sint64 &i) { i = get_sint64 (); } 417 void get (sint64 &i) { i = get_sint64 (); }
377};
378 418
419 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
420};
421
422//TODO: remove
379char *fgets (char *s, int n, object_thawer &thawer); 423char *fgets (char *s, int n, object_thawer &thawer);
380 424
381////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 425//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
382 426
383struct coroapi { 427struct coroapi {
384 static struct CoroAPI *GCoroAPI; 428 static struct CoroAPI *GCoroAPI;
385 429
386 static int nready () { return CORO_NREADY; } 430 static int nready () { return CORO_NREADY; }
387 static int cede () { return CORO_CEDE ; } 431 static int cede () { return CORO_CEDE ; }
432
433 static tstamp next_cede;
434 static int cede_counter;
435
436 static void do_cede_every ();
437 static void do_cede_to_tick ();
438 static void do_cede_to_tick_every ();
439
440 static void cede_every (int count)
441 {
442 if (expect_false (++cede_counter >= count))
443 do_cede_every ();
444 }
445
446 static bool cede_to_tick ()
447 {
448 if (expect_true (now () < next_cede))
449 return false;
450
451 do_cede_to_tick ();
452 return true;
453 }
454
455 static bool cede_to_tick_every (int count)
456 {
457 if (expect_true (++cede_counter < count))
458 return false;
459
460 return cede_to_tick ();
461 }
462
463 static void wait_for_tick ();
464 static void wait_for_tick_begin ();
388}; 465};
389 466
390struct watcher_base 467struct watcher_base
391{ 468{
392 static struct EventAPI *GEventAPI; 469 static struct EventAPI *GEventAPI;

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