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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 1.75 by root, Sun Jun 3 11:22:02 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);
64 94
65////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
66 96
67// virtual server time, excluding time jumps and lag 97// virtual server time, excluding time jumps and lag
68extern double runtime; 98extern double runtime;
… …
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 }
… …
177 213
178 virtual ~attachable (); 214 virtual ~attachable ();
179 215
180 attachable &operator =(const attachable &src); 216 attachable &operator =(const attachable &src);
181 217
218 // used to _quickly_ device wether to shortcut the evaluation
219 bool should_invoke (event_type event)
220 {
221 return ev_want_event [event] || cb;
222 }
223
182 bool invoke (event_type event, ...); 224 bool invoke (event_type event, ...);
225
183 void instantiate (); 226 MTH void instantiate ();
184 void reattach (); 227 void reattach ();
185 228
186protected: 229protected:
187 // do the real refcount checking work 230 // do the real refcount checking work
188 void do_check (); 231 void do_check ();
… …
199 242
200extern struct global gbl_ev; 243extern struct global gbl_ev;
201 244
202////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 245//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
203 246
204struct object_freezer : dynbuf 247struct object_freezer : dynbuf_text
205{ 248{
206 AV *av; 249 AV *av;
207 250
208 object_freezer (); 251 object_freezer ();
209 ~object_freezer (); 252 ~object_freezer ();
… …
213 // used only for user-defined key-value pairs 256 // used only for user-defined key-value pairs
214 void put (const shstr &k, const shstr &v) 257 void put (const shstr &k, const shstr &v)
215 { 258 {
216 add (k); 259 add (k);
217 260
218 if (v) 261 if (expect_true (v))
219 add (' '), add (v); 262 add (' '), add (v);
220 263
221 add ('\n');
222 }
223
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'); 264 add ('\n');
231 } 265 }
232 266
233 template<typename T> 267 template<typename T>
234 void put_string (keyword k, const T &v) 268 void put_string (keyword k, const T &v)
… …
238 272
239 char *p = (char *)alloc (klen + vlen + 1); 273 char *p = (char *)alloc (klen + vlen + 1);
240 274
241 memcpy (p, keyword_str [k], klen); p += klen; 275 memcpy (p, keyword_str [k], klen); p += klen;
242 276
243 if (v) 277 if (expect_true (v))
244 { 278 {
245 *p++ = ' '; vlen--; 279 *p++ = ' '; vlen--;
246 memcpy (p, v, vlen); p += vlen; 280 memcpy (p, v, vlen); p += vlen;
247 } 281 }
248 282
249 *p = '\n'; 283 *p = '\n';
250 } 284 }
251 285
252 void put (keyword k, const char *v) 286 void put (keyword k, const char *v = 0)
253 { 287 {
254 put_string (k, v); 288 put_string (k, v);
255 } 289 }
256 290
257 void put (keyword k, const shstr &v) 291 void put (keyword k, const shstr &v)
… …
259 put_string (k, v); 293 put_string (k, v);
260 } 294 }
261 295
262 void put (keyword k, double v) 296 void put (keyword k, double v)
263 { 297 {
264 char buf [128]; 298 force (MAX_KEYWORD_LEN + 2 + 32);
265 299 fadd (keyword_str [k], keyword_len [k]);
266 snprintf (buf, 128, "%.7g", v); 300 fadd (' ');
267 301 falloc (sprintf (ptr, "%.7g", v));
268 put (k, (const char *)buf); 302 fadd ('\n');
269 } 303 }
270 304
271 void put_(keyword k, sint64 v) 305 void put_(keyword k, sint64 v)
272 { 306 {
307 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
273 add (keyword_str [k], keyword_len [k]); 308 fadd (keyword_str [k], keyword_len [k]);
274 add (' '); 309 fadd (' ');
275 add (v); 310 add (v);
276 add ('\n'); 311 fadd ('\n');
277 } 312 }
278 313
279 void put_(keyword k, sint32 v) 314 void put_(keyword k, sint32 v)
280 { 315 {
316 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
281 add (keyword_str [k], keyword_len [k]); 317 fadd (keyword_str [k], keyword_len [k]);
282 add (' '); 318 fadd (' ');
283 add (v); 319 add (v);
284 add ('\n'); 320 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 } 321 }
299 322
300 void put (keyword k, float v) { put (k, (double)v); } 323 void put (keyword k, float v) { put (k, (double)v); }
301 void put (keyword k, signed char v) { put_(k, (sint32)v); } 324 void put (keyword k, signed char v) { put_(k, (sint32)v); }
302 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
307 void put (keyword k, signed long v) { put_(k, (sint64)v); } 330 void put (keyword k, signed long v) { put_(k, (sint64)v); }
308 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
309 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); }
310 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); }
311 334
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
312 template<typename T> 350 template<typename T>
313 void put (keyword k, const T *v) 351 void put (keyword k, const T *v)
314 { 352 {
315 if (v) 353 if (v)
316 put (k, v->name); 354 put (k, v->name);
… …
322 void put (keyword k, const refptr<T> &v) 360 void put (keyword k, const refptr<T> &v)
323 { 361 {
324 put (k, (T *)v); 362 put (k, (T *)v);
325 } 363 }
326 364
327 bool save (const char *filename); 365 bool save (const char *path);
328 char *as_string (); // like strdup 366 char *as_string (); // like strdup
329 367
330 operator bool () { return !!av; } 368 operator bool () { return !!av; }
331}; 369};
332 370
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 371struct object_thawer
338{ 372{
373 char *line; // current beginning of line
339 SV *text; // text part 374 SV *text; // text part
340 AV *av; // perl part 375 AV *av; // perl part
341 char *line; // current beginning of line 376 int linenum;
342 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;
343 382
344 operator bool () { return !!text; } 383 operator bool () { return !!text; }
345 384
346 object_thawer (const char *filename = 0); 385 object_thawer (const char *path = 0);
347 object_thawer (const char *data, AV *perlav); 386 object_thawer (const char *data, AV *perlav);
348 ~object_thawer (); 387 ~object_thawer ();
349 388
350 void get (attachable *obj, int oid); 389 void get (attachable *obj, int oid);
351 390
352 keyword get_kv (); // also parse value for later use 391 // parse next line
353 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 ();
354 396
355 const char *get_str () { return last_value; } // may be 0 397 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); 398 void get_ml (keyword kend, shstr &sh);
360 399
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'; }
361 sint32 get_sint32 () const; 404 sint32 get_sint32 () const;
362 sint64 get_sint64 () const; 405 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
363 double get_double () const; 406 double get_double () const { return strtod (value_nn, 0); }
364 407
365 void get (float &v) { v = get_double (); } 408 void get (float &v) { v = get_double (); }
366 void get (double &v) { v = get_double (); } 409 void get (double &v) { v = get_double (); }
367 410
368 void get (bool &i) { i = get_sint32 (); } 411 void get (bool &i) { i = get_bool (); }
369 void get (sint8 &i) { i = get_sint32 (); } 412 void get (sint8 &i) { i = get_sint32 (); }
370 void get (uint8 &i) { i = get_sint32 (); } 413 void get (uint8 &i) { i = get_sint32 (); }
371 void get (sint16 &i) { i = get_sint32 (); } 414 void get (sint16 &i) { i = get_sint32 (); }
372 void get (uint16 &i) { i = get_sint32 (); } 415 void get (uint16 &i) { i = get_sint32 (); }
373 void get (sint32 &i) { i = get_sint32 (); } 416 void get (sint32 &i) { i = get_sint32 (); }
374 417
375 void get (uint32 &i) { i = get_sint64 (); } 418 void get (uint32 &i) { i = get_sint64 (); }
376 void get (sint64 &i) { i = get_sint64 (); } 419 void get (sint64 &i) { i = get_sint64 (); }
377};
378 420
421 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
422};
423
424//TODO: remove
379char *fgets (char *s, int n, object_thawer &thawer); 425char *fgets (char *s, int n, object_thawer &thawer);
380 426
381////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 427//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
382 428
383struct coroapi { 429struct coroapi {
384 static struct CoroAPI *GCoroAPI; 430 static struct CoroAPI *GCoroAPI;
385 431
386 static int nready () { return CORO_NREADY; } 432 static int nready () { return CORO_NREADY; }
387 static int cede () { return CORO_CEDE ; } 433 static int cede () { return CORO_CEDE ; }
434
435 static double (*time)();
436 static double next_cede;
437 static int cede_counter;
438
439 static void do_cede_every ();
440 static void do_cede_to_tick ();
441 static void do_cede_to_tick_every ();
442
443 static void cede_every (int count)
444 {
445 if (expect_false (++cede_counter >= count))
446 do_cede_every ();
447 }
448
449 static void cede_to_tick ()
450 {
451 if (expect_false (time () >= next_cede))
452 do_cede_to_tick ();
453 }
454
455 static void cede_to_tick_every (int count)
456 {
457 if (expect_false (++cede_counter >= count))
458 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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