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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.44 by root, Sun Dec 31 10:28:36 2006 UTC vs.
Revision 1.76 by root, Mon Jun 4 12:19:08 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>
… …
60 86
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 87//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 88
63void cfperl_init (); 89void cfperl_init ();
64void cfperl_main (); 90void cfperl_main ();
91void cfperl_emergency_save ();
92void cfperl_cleanup (int make_core);
93void cfperl_make_book (object *book, int level);
65 94
66////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
67 96
68// virtual server time, excluding time jumps and lag 97// virtual server time, excluding time jumps and lag
69extern double runtime; 98extern double runtime;
… …
85# define def(klass,name) EVENT_ ## klass ## _ ## name, 114# define def(klass,name) EVENT_ ## klass ## _ ## name,
86# include "eventinc.h" 115# include "eventinc.h"
87# undef def 116# undef def
88 NUM_EVENT_TYPES 117 NUM_EVENT_TYPES
89}; 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;
90 123
91#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 124#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
92#define ARG_INT(v) DT_INT , static_cast<int> (v) 125#define ARG_INT(v) DT_INT , static_cast<int> (v)
93#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 126#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
94#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 127#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
101#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 134#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
102#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 135#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
103#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 136#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
104 137
105// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 138// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
106 139#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) 140#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) 141#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) 142#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) 143#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) 144#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) 145#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
114 146
115//TODO should index into @result 147//TODO should index into @result
116#define RESULT(idx,type) cfperl_result_ ## type (idx) 148#define RESULT(idx,type) cfperl_result_ ## type (idx)
117#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 149#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
118#define RESULT_INT(idx) RESULT(idx, INT) 150#define RESULT_INT(idx) RESULT(idx, INT)
… …
120double cfperl_result_DOUBLE (int idx); 152double cfperl_result_DOUBLE (int idx);
121int cfperl_result_INT (int idx); 153int cfperl_result_INT (int idx);
122 154
123////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 155//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124 156
157INTERFACE_CLASS (attachable)
125struct attachable 158struct attachable
126{ 159{
127 static MGVTBL vtbl; 160 static MGVTBL vtbl;
128 161
129 static unordered_vector<attachable *> mortals; 162 static unordered_vector<attachable *> mortals;
130 static void check_mortals (); 163 MTH static void check_mortals ();
131 164
132 enum { 165 enum {
133 F_DESTROYED = 0x01, 166 F_DESTROYED = 0x01,
134 F_BORROWED = 0x02, 167 F_DEBUG_TRACE = 0x02,
135 }; 168 };
136 169
137 // object is delete'd after the refcount reaches 0 170 // object is delete'd after the refcount reaches 0
171 int ACC (RW, flags);
138 mutable int refcnt; 172 mutable int ACC (RW, refcnt);
139 int flags;
140 173
141 void refcnt_inc () const { ++refcnt; } 174 MTH void refcnt_inc () const { ++refcnt; }
142 void refcnt_dec () const { --refcnt; } 175 MTH void refcnt_dec () const { --refcnt; }
143 176
177 MTH int refcnt_cnt () const;
144 // check wether the object has died and destroy 178 // check wether the object has died and destroy
145 void refcnt_chk () { if (refcnt <= 0) do_check (); } 179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
146 180
147 // destroy the object unless it was already destroyed 181 // destroy the object unless it was already destroyed
148 // this politely asks everybody interested the reduce 182 // this politely asks everybody interested the reduce
149 // the refcount to 0 as soon as possible. 183 // the refcount to 0 as soon as possible.
150 void destroy (); 184 MTH void destroy ();
151 185
152 // return wether an object was destroyed already 186 // return wether an object was destroyed already
153 bool destroyed () const { return flags & F_DESTROYED; } 187 MTH bool destroyed () const { return flags & F_DESTROYED; }
154 188
155 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 189 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
156 190
157#if 0 191#if 0
158private: 192private:
… …
162 196
163 HV *self; // CF+ perl self 197 HV *self; // CF+ perl self
164 AV *cb; // CF+ callbacks 198 AV *cb; // CF+ callbacks
165 shstr attach; // generic extension attachment information 199 shstr attach; // generic extension attachment information
166 200
201 void sever_self (); // sever this object from its self, if it has one.
167 void optimise (); // possibly save some memory by destroying unneeded data 202 void optimise (); // possibly save some memory by destroying unneeded data
168 203
169 attachable () 204 attachable ()
170 : flags (0), refcnt (0), self (0), cb (0), attach (0) 205 : flags (0), refcnt (0), self (0), cb (0), attach (0)
171 { 206 {
172 } 207 }
… …
178 213
179 virtual ~attachable (); 214 virtual ~attachable ();
180 215
181 attachable &operator =(const attachable &src); 216 attachable &operator =(const attachable &src);
182 217
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
183 bool invoke (event_type event, ...); 224 bool invoke (event_type event, ...);
225
184 void instantiate (); 226 MTH void instantiate ();
185 void reattach (); 227 void reattach ();
186 228
187protected: 229protected:
188 // do the real refcount checking work 230 // do the real refcount checking work
189 void do_check (); 231 void do_check ();
… …
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');
223 }
224
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'); 264 add ('\n');
232 } 265 }
233 266
234 template<typename T> 267 template<typename T>
235 void put_string (keyword k, const T &v) 268 void put_string (keyword k, const T &v)
… …
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) 286 void put (keyword k, const char *v = 0)
254 { 287 {
255 put_string (k, v); 288 put_string (k, v);
256 } 289 }
257 290
258 void put (keyword k, const shstr &v) 291 void put (keyword k, const shstr &v)
… …
260 put_string (k, v); 293 put_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
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
313 template<typename T> 350 template<typename T>
314 void put (keyword k, const T *v) 351 void put (keyword k, const T *v)
315 { 352 {
316 if (v)
317 put (k, v->name);
318 else
319 put (k, (const char *)0); 353 put (k, v ? &v->name : (const char *)0);
320 } 354 }
321 355
322 template<typename T> 356 template<typename T>
323 void put (keyword k, const refptr<T> &v) 357 void put (keyword k, const refptr<T> &v)
324 { 358 {
325 put (k, (T *)v); 359 put (k, (T *)v);
326 } 360 }
327 361
328 bool save (const char *filename); 362 bool save (const char *path);
329 char *as_string (); // like strdup 363 char *as_string (); // like strdup
330 364
331 operator bool () { return !!av; } 365 operator bool () { return !!av; }
332}; 366};
333 367
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 368struct object_thawer
339{ 369{
370 char *line; // current beginning of line
340 SV *text; // text part 371 SV *text; // text part
341 AV *av; // perl part 372 AV *av; // perl part
342 char *line; // current beginning of line 373 int linenum;
343 char *last_keyword, *last_value; 374 keyword kw;
375 char *kw_str; // the keyword parsed, as string
376 char *value; // the value, or 0 if no value
377 char *value_nn; // the value, or the empty string if no value
378 const char *name;
344 379
345 operator bool () { return !!text; } 380 operator bool () { return !!text; }
346 381
347 object_thawer (const char *filename = 0); 382 object_thawer (const char *path = 0);
348 object_thawer (const char *data, AV *perlav); 383 object_thawer (const char *data, AV *perlav);
349 ~object_thawer (); 384 ~object_thawer ();
350 385
351 void get (attachable *obj, int oid); 386 void get (attachable *obj, int oid);
352 387
353 keyword get_kv (); // also parse value for later use 388 // parse next line
354 void skip_kv (keyword kw); 389 void next ();
390 // skip the current key-value (usually fetch next line, for
391 // multiline-fields, skips till the corresponding end-kw
392 void skip ();
355 393
356 const char *get_str () { return last_value; } // may be 0 394 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); 395 void get_ml (keyword kend, shstr &sh);
361 396
397 void get_ornull (shstr &sh) const { sh = value; }
398 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
399
400 bool get_bool () const { return *value_nn == '1'; }
362 sint32 get_sint32 () const; 401 sint32 get_sint32 () const;
363 sint64 get_sint64 () const; 402 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
364 double get_double () const; 403 double get_double () const { return strtod (value_nn, 0); }
365 404
366 void get (float &v) { v = get_double (); } 405 void get (float &v) { v = get_double (); }
367 void get (double &v) { v = get_double (); } 406 void get (double &v) { v = get_double (); }
368 407
369 void get (bool &i) { i = get_sint32 (); } 408 void get (bool &i) { i = get_bool (); }
370 void get (sint8 &i) { i = get_sint32 (); } 409 void get (sint8 &i) { i = get_sint32 (); }
371 void get (uint8 &i) { i = get_sint32 (); } 410 void get (uint8 &i) { i = get_sint32 (); }
372 void get (sint16 &i) { i = get_sint32 (); } 411 void get (sint16 &i) { i = get_sint32 (); }
373 void get (uint16 &i) { i = get_sint32 (); } 412 void get (uint16 &i) { i = get_sint32 (); }
374 void get (sint32 &i) { i = get_sint32 (); } 413 void get (sint32 &i) { i = get_sint32 (); }
375 414
376 void get (uint32 &i) { i = get_sint64 (); } 415 void get (uint32 &i) { i = get_sint64 (); }
377 void get (sint64 &i) { i = get_sint64 (); } 416 void get (sint64 &i) { i = get_sint64 (); }
378};
379 417
418 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
419};
420
421//TODO: remove
380char *fgets (char *s, int n, object_thawer &thawer); 422char *fgets (char *s, int n, object_thawer &thawer);
381 423
382////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 424//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
383 425
384struct coroapi { 426struct coroapi {
385 static struct CoroAPI *GCoroAPI; 427 static struct CoroAPI *GCoroAPI;
386 428
387 static int nready () { return CORO_NREADY; } 429 static int nready () { return CORO_NREADY; }
388 static int cede () { return CORO_CEDE ; } 430 static int cede () { return CORO_CEDE ; }
431
432 static double (*time)();
433 static double 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 void cede_to_tick ()
447 {
448 if (expect_false (time () >= next_cede))
449 do_cede_to_tick ();
450 }
451
452 static void cede_to_tick_every (int count)
453 {
454 if (expect_false (++cede_counter >= count))
455 cede_to_tick ();
456 }
457
458 static void wait_for_tick ();
459 static void wait_for_tick_begin ();
389}; 460};
390 461
391struct watcher_base 462struct watcher_base
392{ 463{
393 static struct EventAPI *GEventAPI; 464 static struct EventAPI *GEventAPI;

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