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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.54 by root, Sun Feb 11 01:38:48 2007 UTC vs.
Revision 1.77 by root, Tue Jun 5 13:05:02 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>
… …
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 87//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 88
63void cfperl_init (); 89void cfperl_init ();
64void cfperl_main (); 90void cfperl_main ();
65void cfperl_emergency_save (); 91void cfperl_emergency_save ();
92void cfperl_cleanup (int make_core);
93void cfperl_make_book (object *book, int level);
66 94
67////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
68 96
69// virtual server time, excluding time jumps and lag 97// virtual server time, excluding time jumps and lag
70extern double runtime; 98extern double runtime;
… …
86# define def(klass,name) EVENT_ ## klass ## _ ## name, 114# define def(klass,name) EVENT_ ## klass ## _ ## name,
87# include "eventinc.h" 115# include "eventinc.h"
88# undef def 116# undef def
89 NUM_EVENT_TYPES 117 NUM_EVENT_TYPES
90}; 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;
91 123
92#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 124#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
93#define ARG_INT(v) DT_INT , static_cast<int> (v) 125#define ARG_INT(v) DT_INT , static_cast<int> (v)
94#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 126#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
95#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 127#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
102#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 134#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
103#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 135#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
104#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 136#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
105 137
106// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 138// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
107 139#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
108// all these return true when the normal event processing should be skipped (if any)
109#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__)
110#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__)
111#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__)
112#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__)
113#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__)
114#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__)
115 146
116//TODO should index into @result 147//TODO should index into @result
117#define RESULT(idx,type) cfperl_result_ ## type (idx) 148#define RESULT(idx,type) cfperl_result_ ## type (idx)
118#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 149#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
119#define RESULT_INT(idx) RESULT(idx, INT) 150#define RESULT_INT(idx) RESULT(idx, INT)
… …
135 F_DESTROYED = 0x01, 166 F_DESTROYED = 0x01,
136 F_DEBUG_TRACE = 0x02, 167 F_DEBUG_TRACE = 0x02,
137 }; 168 };
138 169
139 // object is delete'd after the refcount reaches 0 170 // object is delete'd after the refcount reaches 0
171 int ACC (RW, flags);
140 mutable int ACC (RW, refcnt); 172 mutable int ACC (RW, refcnt);
141 int ACC (RW, flags);
142 173
143 MTH void refcnt_inc () const { ++refcnt; } 174 MTH void refcnt_inc () const { ++refcnt; }
144 MTH void refcnt_dec () const { --refcnt; } 175 MTH void refcnt_dec () const { --refcnt; }
145 176
146 MTH int refcnt_cnt () const; 177 MTH int refcnt_cnt () const;
147 // check wether the object has died and destroy 178 // check wether the object has died and destroy
148 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
149 180
150 // destroy the object unless it was already destroyed 181 // destroy the object unless it was already destroyed
151 // this politely asks everybody interested the reduce 182 // this politely asks everybody interested the reduce
152 // the refcount to 0 as soon as possible. 183 // the refcount to 0 as soon as possible.
153 MTH void destroy (); 184 MTH void destroy ();
… …
182 213
183 virtual ~attachable (); 214 virtual ~attachable ();
184 215
185 attachable &operator =(const attachable &src); 216 attachable &operator =(const attachable &src);
186 217
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
187 bool invoke (event_type event, ...); 224 bool invoke (event_type event, ...);
225
188 MTH void instantiate (); 226 MTH void instantiate ();
189 void reattach (); 227 void reattach ();
190 228
191protected: 229protected:
192 // do the real refcount checking work 230 // do the real refcount checking work
… …
204 242
205extern struct global gbl_ev; 243extern struct global gbl_ev;
206 244
207////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 245//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
208 246
209struct object_freezer : dynbuf 247struct object_freezer : dynbuf_text
210{ 248{
211 AV *av; 249 AV *av;
212 250
213 object_freezer (); 251 object_freezer ();
214 ~object_freezer (); 252 ~object_freezer ();
… …
218 // used only for user-defined key-value pairs 256 // used only for user-defined key-value pairs
219 void put (const shstr &k, const shstr &v) 257 void put (const shstr &k, const shstr &v)
220 { 258 {
221 add (k); 259 add (k);
222 260
223 if (v) 261 if (expect_true (v))
224 add (' '), add (v); 262 add (' '), add (v);
225 263
226 add ('\n');
227 }
228
229 //TODO//temporary, used only for saving body locations
230 void put (const char *k, int v)
231 {
232 add (k);
233 add (' ');
234 add (sint32 (v));
235 add ('\n'); 264 add ('\n');
236 } 265 }
237 266
238 template<typename T> 267 template<typename T>
239 void put_string (keyword k, const T &v) 268 void put_string (keyword k, const T &v)
… …
243 272
244 char *p = (char *)alloc (klen + vlen + 1); 273 char *p = (char *)alloc (klen + vlen + 1);
245 274
246 memcpy (p, keyword_str [k], klen); p += klen; 275 memcpy (p, keyword_str [k], klen); p += klen;
247 276
248 if (v) 277 if (expect_true (v))
249 { 278 {
250 *p++ = ' '; vlen--; 279 *p++ = ' '; vlen--;
251 memcpy (p, v, vlen); p += vlen; 280 memcpy (p, v, vlen); p += vlen;
252 } 281 }
253 282
… …
264 put_string (k, v); 293 put_string (k, v);
265 } 294 }
266 295
267 void put (keyword k, double v) 296 void put (keyword k, double v)
268 { 297 {
269 char buf [128]; 298 force (MAX_KEYWORD_LEN + 2 + 32);
270 299 fadd (keyword_str [k], keyword_len [k]);
271 snprintf (buf, 128, "%.7g", v); 300 fadd (' ');
272 301 falloc (sprintf (ptr, "%.7g", v));
273 put (k, (const char *)buf); 302 fadd ('\n');
274 } 303 }
275 304
276 void put_(keyword k, sint64 v) 305 void put_(keyword k, sint64 v)
277 { 306 {
307 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
278 add (keyword_str [k], keyword_len [k]); 308 fadd (keyword_str [k], keyword_len [k]);
279 add (' '); 309 fadd (' ');
280 add (v); 310 add (v);
281 add ('\n'); 311 fadd ('\n');
282 } 312 }
283 313
284 void put_(keyword k, sint32 v) 314 void put_(keyword k, sint32 v)
285 { 315 {
316 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
286 add (keyword_str [k], keyword_len [k]); 317 fadd (keyword_str [k], keyword_len [k]);
287 add (' '); 318 fadd (' ');
288 add (v); 319 add (v);
289 add ('\n'); 320 fadd ('\n');
290 }
291
292 void put (keyword kbeg, keyword kend, const shstr &v)
293 {
294 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
295
296 if (v)
297 {
298 add (v);
299 add ('\n');
300 }
301
302 add (keyword_str [kend], keyword_len [kend]); add ('\n');
303 } 321 }
304 322
305 void put (keyword k, float v) { put (k, (double)v); } 323 void put (keyword k, float v) { put (k, (double)v); }
306 void put (keyword k, signed char v) { put_(k, (sint32)v); } 324 void put (keyword k, signed char v) { put_(k, (sint32)v); }
307 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
312 void put (keyword k, signed long v) { put_(k, (sint64)v); } 330 void put (keyword k, signed long v) { put_(k, (sint64)v); }
313 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
314 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); }
315 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); }
316 334
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
317 template<typename T> 350 template<typename T>
318 void put (keyword k, const T *v) 351 void put (keyword k, const T *v)
319 { 352 {
320 if (v)
321 put (k, v->name);
322 else
323 put (k, (const char *)0); 353 put (k, v ? &v->name : (const char *)0);
324 } 354 }
325 355
326 template<typename T> 356 template<typename T>
327 void put (keyword k, const refptr<T> &v) 357 void put (keyword k, const refptr<T> &v)
328 { 358 {
… …
333 char *as_string (); // like strdup 363 char *as_string (); // like strdup
334 364
335 operator bool () { return !!av; } 365 operator bool () { return !!av; }
336}; 366};
337 367
338// compatibility support, should be removed when no longer needed
339int fprintf (object_freezer &freezer, const char *format, ...);
340int fputs (const char *s, object_freezer &freezer);
341
342struct object_thawer 368struct object_thawer
343{ 369{
370 char *line; // current beginning of line
344 SV *text; // text part 371 SV *text; // text part
345 AV *av; // perl part 372 AV *av; // perl part
346 int linenum; 373 int linenum;
347 char *line; // current beginning of line 374 keyword kw;
348 char *last_keyword, *last_value; 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
349 const char *name; 378 const char *name;
350 379
351 operator bool () { return !!text; } 380 operator bool () { return !!text; }
352 381
353 object_thawer (const char *path = 0); 382 object_thawer (const char *path = 0);
354 object_thawer (const char *data, AV *perlav); 383 object_thawer (const char *data, AV *perlav);
355 ~object_thawer (); 384 ~object_thawer ();
356 385
357 void get (attachable *obj, int oid); 386 void get (attachable *obj, int oid);
358 387
359 keyword get_kv (); // also parse value for later use 388 // parse next line
360 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 ();
361 393
362 const char *get_str () { return last_value; } // may be 0 394 char *get_str () { return value; } // may be 0
363
364 void get (shstr &sh) const;
365 void get_ornull (shstr &sh) const { sh = last_value; }
366 void get_ml (keyword kend, shstr &sh); 395 void get_ml (keyword kend, shstr &sh);
367 396
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'; }
368 sint32 get_sint32 () const; 401 sint32 get_sint32 () const;
369 sint64 get_sint64 () const; 402 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
370 double get_double () const; 403 double get_double () const { return strtod (value_nn, 0); }
371 404
372 void get (float &v) { v = get_double (); } 405 void get (float &v) { v = get_double (); }
373 void get (double &v) { v = get_double (); } 406 void get (double &v) { v = get_double (); }
374 407
375 void get (bool &i) { i = get_sint32 (); } 408 void get (bool &i) { i = get_bool (); }
376 void get (sint8 &i) { i = get_sint32 (); } 409 void get (sint8 &i) { i = get_sint32 (); }
377 void get (uint8 &i) { i = get_sint32 (); } 410 void get (uint8 &i) { i = get_sint32 (); }
378 void get (sint16 &i) { i = get_sint32 (); } 411 void get (sint16 &i) { i = get_sint32 (); }
379 void get (uint16 &i) { i = get_sint32 (); } 412 void get (uint16 &i) { i = get_sint32 (); }
380 void get (sint32 &i) { i = get_sint32 (); } 413 void get (sint32 &i) { i = get_sint32 (); }
381 414
382 void get (uint32 &i) { i = get_sint64 (); } 415 void get (uint32 &i) { i = get_sint64 (); }
383 void get (sint64 &i) { i = get_sint64 (); } 416 void get (sint64 &i) { i = get_sint64 (); }
384 417
385 bool parse_error (keyword kw, const char *type = 0, const char *name = 0, bool skip = true); 418 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
386}; 419};
387 420
388//TODO: remove 421//TODO: remove
389char *fgets (char *s, int n, object_thawer &thawer); 422char *fgets (char *s, int n, object_thawer &thawer);
390 423
… …
394 static struct CoroAPI *GCoroAPI; 427 static struct CoroAPI *GCoroAPI;
395 428
396 static int nready () { return CORO_NREADY; } 429 static int nready () { return CORO_NREADY; }
397 static int cede () { return CORO_CEDE ; } 430 static int cede () { return CORO_CEDE ; }
398 431
432 static double (*time)();
433 static double next_cede;
399 static int cede_counter; 434 static int cede_counter;
400 435
436 static void do_cede_every ();
437 static void do_cede_to_tick ();
438 static void do_cede_to_tick_every ();
439
401 static void cede_every (int count) 440 static void cede_every (int count)
402 { 441 {
403 if (++cede_counter >= count) 442 if (expect_false (++cede_counter >= count))
404 { 443 do_cede_every ();
405 cede_counter = 0;
406
407 if (coroapi::nready ())
408 coroapi::cede ();
409 }
410 } 444 }
445
446 static bool cede_to_tick ()
447 {
448 if (expect_true (time () < 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 ();
411}; 465};
412 466
413struct watcher_base 467struct watcher_base
414{ 468{
415 static struct EventAPI *GEventAPI; 469 static struct EventAPI *GEventAPI;

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