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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 1.80 by root, Sun Jun 24 04:09:29 2007 UTC

1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
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 it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23 */
24
1// 25//
2// cfperl.h perl interface 26// cfperl.h perl interface
3// 27//
4#ifndef CFPERL_H__ 28#ifndef CFPERL_H__
5#define CFPERL_H__ 29#define CFPERL_H__
6 30
31#include <cstdarg>
7#include <cstdio> 32#include <cstdio>
33#include <bitset>
8 34
9using namespace std; 35using namespace std;
10 36
11#include <EXTERN.h> 37#include <EXTERN.h>
12#include <perl.h> 38#include <perl.h>
… …
35 61
36// same here, massive symbol spamming 62// same here, massive symbol spamming
37#undef do_open 63#undef do_open
38#undef do_close 64#undef do_close
39#undef ref 65#undef ref
66#undef seed
40 67
41// perl bug #40256: perl does overwrite those with reentrant versions 68// perl bug #40256: perl does overwrite those with reentrant versions
42// but does not initialise their state structures. 69// but does not initialise their state structures.
43#undef random 70#undef random
44#undef crypt 71#undef crypt
… …
59 86
60////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 87//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
61 88
62void cfperl_init (); 89void cfperl_init ();
63void cfperl_main (); 90void cfperl_main ();
91void cfperl_emergency_save ();
92void cfperl_cleanup (int make_core);
93void cfperl_make_book (object *book, int level);
94void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
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 }
… …
177 214
178 virtual ~attachable (); 215 virtual ~attachable ();
179 216
180 attachable &operator =(const attachable &src); 217 attachable &operator =(const attachable &src);
181 218
219 // used to _quickly_ device wether to shortcut the evaluation
220 bool should_invoke (event_type event)
221 {
222 return ev_want_event [event] || cb;
223 }
224
182 bool invoke (event_type event, ...); 225 bool invoke (event_type event, ...);
226
183 void instantiate (); 227 MTH void instantiate ();
184 void reattach (); 228 void reattach ();
185 229
186protected: 230protected:
187 // do the real refcount checking work 231 // do the real refcount checking work
188 void do_check (); 232 void do_check ();
… …
199 243
200extern struct global gbl_ev; 244extern struct global gbl_ev;
201 245
202////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 246//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
203 247
204struct object_freezer : dynbuf 248struct object_freezer : dynbuf_text
205{ 249{
206 AV *av; 250 AV *av;
207 251
208 object_freezer (); 252 object_freezer ();
209 ~object_freezer (); 253 ~object_freezer ();
… …
213 // used only for user-defined key-value pairs 257 // used only for user-defined key-value pairs
214 void put (const shstr &k, const shstr &v) 258 void put (const shstr &k, const shstr &v)
215 { 259 {
216 add (k); 260 add (k);
217 261
218 if (v) 262 if (expect_true (v))
219 add (' '), add (v); 263 add (' '), add (v);
220 264
221 add ('\n'); 265 add ('\n');
222 } 266 }
223 267
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> 268 template<typename T>
234 void put_string (keyword k, const T &v) 269 void put_kw_string (keyword k, const T &v)
235 { 270 {
236 int klen = keyword_len [k]; 271 int klen = keyword_len [k];
237 int vlen = v ? strlen (v) + 1 : 0; 272 int vlen = v ? strlen (v) + 1 : 0;
238 273
239 char *p = (char *)alloc (klen + vlen + 1); 274 char *p = (char *)alloc (klen + vlen + 1);
240 275
241 memcpy (p, keyword_str [k], klen); p += klen; 276 memcpy (p, keyword_str [k], klen); p += klen;
242 277
243 if (v) 278 if (expect_true (v))
244 { 279 {
245 *p++ = ' '; vlen--; 280 *p++ = ' '; vlen--;
246 memcpy (p, v, vlen); p += vlen; 281 memcpy (p, v, vlen); p += vlen;
247 } 282 }
248 283
249 *p = '\n'; 284 *p = '\n';
250 } 285 }
251 286
252 void put (keyword k, const char *v) 287 void put (keyword k, const char *v = 0)
253 { 288 {
254 put_string (k, v); 289 put_kw_string (k, v);
255 } 290 }
256 291
257 void put (keyword k, const shstr &v) 292 void put (keyword k, const shstr &v)
258 { 293 {
259 put_string (k, v); 294 put_kw_string (k, v);
260 } 295 }
261 296
262 void put (keyword k, double v) 297 void put (keyword k, double v)
263 { 298 {
264 char buf [128]; 299 force (MAX_KEYWORD_LEN + 2 + 32);
265 300 fadd (keyword_str [k], keyword_len [k]);
266 snprintf (buf, 128, "%.7g", v); 301 fadd (' ');
267 302 falloc (sprintf (ptr, "%.7g", v));
268 put (k, (const char *)buf); 303 fadd ('\n');
269 } 304 }
270 305
271 void put_(keyword k, sint64 v) 306 void put_(keyword k, sint64 v)
272 { 307 {
308 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
273 add (keyword_str [k], keyword_len [k]); 309 fadd (keyword_str [k], keyword_len [k]);
274 add (' '); 310 fadd (' ');
275 add (v); 311 add (v);
276 add ('\n'); 312 fadd ('\n');
277 } 313 }
278 314
279 void put_(keyword k, sint32 v) 315 void put_(keyword k, sint32 v)
280 { 316 {
317 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
281 add (keyword_str [k], keyword_len [k]); 318 fadd (keyword_str [k], keyword_len [k]);
282 add (' '); 319 fadd (' ');
283 add (v); 320 add (v);
284 add ('\n'); 321 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 } 322 }
299 323
300 void put (keyword k, float v) { put (k, (double)v); } 324 void put (keyword k, float v) { put (k, (double)v); }
301 void put (keyword k, signed char v) { put_(k, (sint32)v); } 325 void put (keyword k, signed char v) { put_(k, (sint32)v); }
302 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 326 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
307 void put (keyword k, signed long v) { put_(k, (sint64)v); } 331 void put (keyword k, signed long v) { put_(k, (sint64)v); }
308 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 332 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
309 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 333 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); } 334 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
311 335
312 template<typename T> 336 void put (keyword kbeg, keyword kend, const shstr &v)
337 {
338 force (MAX_KEYWORD_LEN + 1);
339 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
340
341 if (expect_true (v))
342 {
343 add (v);
344 add ('\n');
345 }
346
347 force (MAX_KEYWORD_LEN + 1);
348 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
349 }
350
351 void put (keyword k, archetype *v);
352 void put (keyword k, treasurelist *v);
313 void put (keyword k, const T *v) 353 void put (keyword k, faceinfo *v);
314 {
315 if (v)
316 put (k, v->name);
317 else
318 put (k, (const char *)0);
319 }
320 354
321 template<typename T> 355 template<typename T>
322 void put (keyword k, const refptr<T> &v) 356 void put (keyword k, const refptr<T> &v)
323 { 357 {
324 put (k, (T *)v); 358 put (k, (T *)v);
325 } 359 }
326 360
327 bool save (const char *filename); 361 bool save (const char *path);
328 char *as_string (); // like strdup 362 char *as_string (); // like strdup
329 363
330 operator bool () { return !!av; } 364 operator bool () { return !!av; }
331}; 365};
332 366
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 367struct object_thawer
338{ 368{
369 char *line; // current beginning of line
339 SV *text; // text part 370 SV *text; // text part
340 AV *av; // perl part 371 AV *av; // perl part
341 char *line; // current beginning of line 372 int linenum;
342 char *last_keyword, *last_value; 373 keyword kw;
374 char *kw_str; // the keyword parsed, as string
375 char *value; // the value, or 0 if no value
376 char *value_nn; // the value, or the empty string if no value
377 const char *name;
343 378
344 operator bool () { return !!text; } 379 operator bool () { return !!text; }
345 380
346 object_thawer (const char *filename = 0); 381 object_thawer (const char *path = 0);
347 object_thawer (const char *data, AV *perlav); 382 object_thawer (const char *data, AV *perlav);
348 ~object_thawer (); 383 ~object_thawer ();
349 384
350 void get (attachable *obj, int oid); 385 void get (attachable *obj, int oid);
351 386
352 keyword get_kv (); // also parse value for later use 387 // parse next line
353 void skip_kv (keyword kw); 388 void next ();
389 // skip the current key-value (usually fetch next line, for
390 // multiline-fields, skips till the corresponding end-kw
391 void skip ();
354 392
355 const char *get_str () { return last_value; } // may be 0 393 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); 394 void get_ml (keyword kend, shstr &sh);
360 395
396 void get_ornull (shstr &sh) const { sh = value; }
397 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
398
399 bool get_bool () const { return *value_nn == '1'; }
361 sint32 get_sint32 () const; 400 sint32 get_sint32 () const;
362 sint64 get_sint64 () const; 401 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
363 double get_double () const; 402 double get_double () const { return strtod (value_nn, 0); }
364 403
365 void get (float &v) { v = get_double (); } 404 void get (float &v) { v = get_double (); }
366 void get (double &v) { v = get_double (); } 405 void get (double &v) { v = get_double (); }
367 406
368 void get (bool &i) { i = get_sint32 (); } 407 void get (bool &i) { i = get_bool (); }
369 void get (sint8 &i) { i = get_sint32 (); } 408 void get (sint8 &i) { i = get_sint32 (); }
370 void get (uint8 &i) { i = get_sint32 (); } 409 void get (uint8 &i) { i = get_sint32 (); }
371 void get (sint16 &i) { i = get_sint32 (); } 410 void get (sint16 &i) { i = get_sint32 (); }
372 void get (uint16 &i) { i = get_sint32 (); } 411 void get (uint16 &i) { i = get_sint32 (); }
373 void get (sint32 &i) { i = get_sint32 (); } 412 void get (sint32 &i) { i = get_sint32 (); }
374 413
375 void get (uint32 &i) { i = get_sint64 (); } 414 void get (uint32 &i) { i = get_sint64 (); }
376 void get (sint64 &i) { i = get_sint64 (); } 415 void get (sint64 &i) { i = get_sint64 (); }
377};
378 416
417 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
418};
419
420//TODO: remove
379char *fgets (char *s, int n, object_thawer &thawer); 421char *fgets (char *s, int n, object_thawer &thawer);
380 422
381////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 423//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
382 424
383struct coroapi { 425struct coroapi {
384 static struct CoroAPI *GCoroAPI; 426 static struct CoroAPI *GCoroAPI;
385 427
386 static int nready () { return CORO_NREADY; } 428 static int nready () { return CORO_NREADY; }
387 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 ();
388}; 463};
389 464
390struct watcher_base 465struct watcher_base
391{ 466{
392 static struct EventAPI *GEventAPI; 467 static struct EventAPI *GEventAPI;

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