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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.49 by root, Mon Jan 8 01:19:03 2007 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>
… …
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)
… …
129 161
130 static unordered_vector<attachable *> mortals; 162 static unordered_vector<attachable *> mortals;
131 MTH static void check_mortals (); 163 MTH static void check_mortals ();
132 164
133 enum { 165 enum {
134 F_DESTROYED = 0x01, 166 F_DESTROYED = 0x01,
135 F_BORROWED = 0x02, 167 F_DEBUG_TRACE = 0x02,
136 }; 168 };
137 169
138 // object is delete'd after the refcount reaches 0 170 // object is delete'd after the refcount reaches 0
171 int ACC (RW, flags);
139 mutable int ACC (RW, refcnt); 172 mutable int ACC (RW, refcnt);
140 int ACC (RW, flags);
141 173
142 MTH void refcnt_inc () const { ++refcnt; } 174 MTH void refcnt_inc () const { ++refcnt; }
143 MTH void refcnt_dec () const { --refcnt; } 175 MTH void refcnt_dec () const { --refcnt; }
144 176
145 MTH int refcnt_cnt () const; 177 MTH int refcnt_cnt () const;
146 // check wether the object has died and destroy 178 // check wether the object has died and destroy
147 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
148 180
149 // destroy the object unless it was already destroyed 181 // destroy the object unless it was already destroyed
150 // this politely asks everybody interested the reduce 182 // this politely asks everybody interested the reduce
151 // the refcount to 0 as soon as possible. 183 // the refcount to 0 as soon as possible.
152 MTH void destroy (); 184 MTH void destroy ();
… …
164 196
165 HV *self; // CF+ perl self 197 HV *self; // CF+ perl self
166 AV *cb; // CF+ callbacks 198 AV *cb; // CF+ callbacks
167 shstr attach; // generic extension attachment information 199 shstr attach; // generic extension attachment information
168 200
201 void sever_self (); // sever this object from its self, if it has one.
169 void optimise (); // possibly save some memory by destroying unneeded data 202 void optimise (); // possibly save some memory by destroying unneeded data
170 203
171 attachable () 204 attachable ()
172 : flags (0), refcnt (0), self (0), cb (0), attach (0) 205 : flags (0), refcnt (0), self (0), cb (0), attach (0)
173 { 206 {
174 } 207 }
… …
180 213
181 virtual ~attachable (); 214 virtual ~attachable ();
182 215
183 attachable &operator =(const attachable &src); 216 attachable &operator =(const attachable &src);
184 217
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
185 bool invoke (event_type event, ...); 224 bool invoke (event_type event, ...);
225
186 MTH void instantiate (); 226 MTH void instantiate ();
187 void reattach (); 227 void reattach ();
188 228
189protected: 229protected:
190 // do the real refcount checking work 230 // do the real refcount checking work
… …
202 242
203extern struct global gbl_ev; 243extern struct global gbl_ev;
204 244
205////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 245//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
206 246
207struct object_freezer : dynbuf 247struct object_freezer : dynbuf_text
208{ 248{
209 AV *av; 249 AV *av;
210 250
211 object_freezer (); 251 object_freezer ();
212 ~object_freezer (); 252 ~object_freezer ();
… …
216 // used only for user-defined key-value pairs 256 // used only for user-defined key-value pairs
217 void put (const shstr &k, const shstr &v) 257 void put (const shstr &k, const shstr &v)
218 { 258 {
219 add (k); 259 add (k);
220 260
221 if (v) 261 if (expect_true (v))
222 add (' '), add (v); 262 add (' '), add (v);
223 263
224 add ('\n');
225 }
226
227 //TODO//temporary, used only for saving body locations
228 void put (const char *k, int v)
229 {
230 add (k);
231 add (' ');
232 add (sint32 (v));
233 add ('\n'); 264 add ('\n');
234 } 265 }
235 266
236 template<typename T> 267 template<typename T>
237 void put_string (keyword k, const T &v) 268 void put_string (keyword k, const T &v)
… …
241 272
242 char *p = (char *)alloc (klen + vlen + 1); 273 char *p = (char *)alloc (klen + vlen + 1);
243 274
244 memcpy (p, keyword_str [k], klen); p += klen; 275 memcpy (p, keyword_str [k], klen); p += klen;
245 276
246 if (v) 277 if (expect_true (v))
247 { 278 {
248 *p++ = ' '; vlen--; 279 *p++ = ' '; vlen--;
249 memcpy (p, v, vlen); p += vlen; 280 memcpy (p, v, vlen); p += vlen;
250 } 281 }
251 282
… …
262 put_string (k, v); 293 put_string (k, v);
263 } 294 }
264 295
265 void put (keyword k, double v) 296 void put (keyword k, double v)
266 { 297 {
267 char buf [128]; 298 force (MAX_KEYWORD_LEN + 2 + 32);
268 299 fadd (keyword_str [k], keyword_len [k]);
269 snprintf (buf, 128, "%.7g", v); 300 fadd (' ');
270 301 falloc (sprintf (ptr, "%.7g", v));
271 put (k, (const char *)buf); 302 fadd ('\n');
272 } 303 }
273 304
274 void put_(keyword k, sint64 v) 305 void put_(keyword k, sint64 v)
275 { 306 {
307 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
276 add (keyword_str [k], keyword_len [k]); 308 fadd (keyword_str [k], keyword_len [k]);
277 add (' '); 309 fadd (' ');
278 add (v); 310 add (v);
279 add ('\n'); 311 fadd ('\n');
280 } 312 }
281 313
282 void put_(keyword k, sint32 v) 314 void put_(keyword k, sint32 v)
283 { 315 {
316 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
284 add (keyword_str [k], keyword_len [k]); 317 fadd (keyword_str [k], keyword_len [k]);
285 add (' '); 318 fadd (' ');
286 add (v); 319 add (v);
287 add ('\n'); 320 fadd ('\n');
288 }
289
290 void put (keyword kbeg, keyword kend, const shstr &v)
291 {
292 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
293
294 if (v)
295 {
296 add (v);
297 add ('\n');
298 }
299
300 add (keyword_str [kend], keyword_len [kend]); add ('\n');
301 } 321 }
302 322
303 void put (keyword k, float v) { put (k, (double)v); } 323 void put (keyword k, float v) { put (k, (double)v); }
304 void put (keyword k, signed char v) { put_(k, (sint32)v); } 324 void put (keyword k, signed char v) { put_(k, (sint32)v); }
305 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
310 void put (keyword k, signed long v) { put_(k, (sint64)v); } 330 void put (keyword k, signed long v) { put_(k, (sint64)v); }
311 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
312 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); }
313 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); }
314 334
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
315 template<typename T> 350 template<typename T>
316 void put (keyword k, const T *v) 351 void put (keyword k, const T *v)
317 { 352 {
318 if (v) 353 if (v)
319 put (k, v->name); 354 put (k, v->name);
… …
331 char *as_string (); // like strdup 366 char *as_string (); // like strdup
332 367
333 operator bool () { return !!av; } 368 operator bool () { return !!av; }
334}; 369};
335 370
336// compatibility support, should be removed when no longer needed
337int fprintf (object_freezer &freezer, const char *format, ...);
338int fputs (const char *s, object_freezer &freezer);
339
340struct object_thawer 371struct object_thawer
341{ 372{
373 char *line; // current beginning of line
342 SV *text; // text part 374 SV *text; // text part
343 AV *av; // perl part 375 AV *av; // perl part
344 char *line; // current beginning of line 376 int linenum;
345 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
346 const char *name; 381 const char *name;
347 382
348 operator bool () { return !!text; } 383 operator bool () { return !!text; }
349 384
350 object_thawer (const char *path = 0); 385 object_thawer (const char *path = 0);
351 object_thawer (const char *data, AV *perlav); 386 object_thawer (const char *data, AV *perlav);
352 ~object_thawer (); 387 ~object_thawer ();
353 388
354 void get (attachable *obj, int oid); 389 void get (attachable *obj, int oid);
355 390
356 keyword get_kv (); // also parse value for later use 391 // parse next line
357 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 ();
358 396
359 const char *get_str () { return last_value; } // may be 0 397 char *get_str () { return value; } // may be 0
360
361 void get (shstr &sh) const;
362 void get_ornull (shstr &sh) const { sh = last_value; }
363 void get_ml (keyword kend, shstr &sh); 398 void get_ml (keyword kend, shstr &sh);
364 399
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'; }
365 sint32 get_sint32 () const; 404 sint32 get_sint32 () const;
366 sint64 get_sint64 () const; 405 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
367 double get_double () const; 406 double get_double () const { return strtod (value_nn, 0); }
368 407
369 void get (float &v) { v = get_double (); } 408 void get (float &v) { v = get_double (); }
370 void get (double &v) { v = get_double (); } 409 void get (double &v) { v = get_double (); }
371 410
372 void get (bool &i) { i = get_sint32 (); } 411 void get (bool &i) { i = get_bool (); }
373 void get (sint8 &i) { i = get_sint32 (); } 412 void get (sint8 &i) { i = get_sint32 (); }
374 void get (uint8 &i) { i = get_sint32 (); } 413 void get (uint8 &i) { i = get_sint32 (); }
375 void get (sint16 &i) { i = get_sint32 (); } 414 void get (sint16 &i) { i = get_sint32 (); }
376 void get (uint16 &i) { i = get_sint32 (); } 415 void get (uint16 &i) { i = get_sint32 (); }
377 void get (sint32 &i) { i = get_sint32 (); } 416 void get (sint32 &i) { i = get_sint32 (); }
378 417
379 void get (uint32 &i) { i = get_sint64 (); } 418 void get (uint32 &i) { i = get_sint64 (); }
380 void get (sint64 &i) { i = get_sint64 (); } 419 void get (sint64 &i) { i = get_sint64 (); }
381};
382 420
421 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
422};
423
424//TODO: remove
383char *fgets (char *s, int n, object_thawer &thawer); 425char *fgets (char *s, int n, object_thawer &thawer);
384 426
385////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 427//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
386 428
387struct coroapi { 429struct coroapi {
388 static struct CoroAPI *GCoroAPI; 430 static struct CoroAPI *GCoroAPI;
389 431
390 static int nready () { return CORO_NREADY; } 432 static int nready () { return CORO_NREADY; }
391 static int cede () { return CORO_CEDE ; } 433 static int cede () { return CORO_CEDE ; }
392 434
435 static double (*time)();
436 static double next_cede;
393 static int cede_counter; 437 static int cede_counter;
394 438
439 static void do_cede_every ();
440 static void do_cede_to_tick ();
441 static void do_cede_to_tick_every ();
442
395 static void cede_every (int count) 443 static void cede_every (int count)
396 { 444 {
397 if (++cede_counter >= count) 445 if (expect_false (++cede_counter >= count))
398 { 446 do_cede_every ();
399 cede_counter = 0;
400
401 if (coroapi::nready ())
402 coroapi::cede ();
403 }
404 } 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 ();
405}; 463};
406 464
407struct watcher_base 465struct watcher_base
408{ 466{
409 static struct EventAPI *GEventAPI; 467 static struct EventAPI *GEventAPI;

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