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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.48 by root, Sun Jan 7 18:01:09 2007 UTC vs.
Revision 1.82 by root, Wed Jul 11 16:55:18 2007 UTC

1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
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
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
22 */
23
1// 24//
2// cfperl.h perl interface 25// cfperl.h perl interface
3// 26//
4#ifndef CFPERL_H__ 27#ifndef CFPERL_H__
5#define CFPERL_H__ 28#define CFPERL_H__
6 29
30#include <cstdarg>
7#include <cstdio> 31#include <cstdio>
32#include <bitset>
8 33
9using namespace std; 34using namespace std;
10 35
11#include <EXTERN.h> 36#include <EXTERN.h>
12#include <perl.h> 37#include <perl.h>
… …
60 85
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 86//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 87
63void cfperl_init (); 88void cfperl_init ();
64void cfperl_main (); 89void cfperl_main ();
90void cfperl_emergency_save ();
91void cfperl_cleanup (int make_core);
92void cfperl_make_book (object *book, int level);
93void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
65 94
66////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
67 96
68// virtual server time, excluding time jumps and lag 97extern tstamp runtime; // virtual server time, excluding time jumps and lag
69extern double runtime; 98extern tstamp NOW; // real time of current server tick
70 99
71enum event_klass 100enum event_klass
72{ 101{
73 KLASS_NONE, 102 KLASS_NONE,
74 KLASS_GLOBAL, 103 KLASS_GLOBAL,
… …
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
177 MTH int refcnt_cnt () const;
145 // check wether the object has died and destroy 178 // check wether the object has died and destroy
146 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
147 180
148 // destroy the object unless it was already destroyed 181 // destroy the object unless it was already destroyed
149 // this politely asks everybody interested the reduce 182 // this politely asks everybody interested the reduce
150 // the refcount to 0 as soon as possible. 183 // the refcount to 0 as soon as possible.
151 MTH void destroy (); 184 MTH void destroy ();
… …
163 196
164 HV *self; // CF+ perl self 197 HV *self; // CF+ perl self
165 AV *cb; // CF+ callbacks 198 AV *cb; // CF+ callbacks
166 shstr attach; // generic extension attachment information 199 shstr attach; // generic extension attachment information
167 200
201 void sever_self (); // sever this object from its self, if it has one.
168 void optimise (); // possibly save some memory by destroying unneeded data 202 void optimise (); // possibly save some memory by destroying unneeded data
169 203
170 attachable () 204 attachable ()
171 : flags (0), refcnt (0), self (0), cb (0), attach (0) 205 : flags (0), refcnt (0), self (0), cb (0), attach (0)
172 { 206 {
173 } 207 }
… …
177 { 211 {
178 } 212 }
179 213
180 virtual ~attachable (); 214 virtual ~attachable ();
181 215
216 // set a custom key to the given value, or delete it if value = 0
217 void set_key (const char *key, const char *value = 0);
218
182 attachable &operator =(const attachable &src); 219 attachable &operator =(const attachable &src);
183 220
221 // used to _quickly_ device wether to shortcut the evaluation
222 bool should_invoke (event_type event)
223 {
224 return ev_want_event [event] || cb;
225 }
226
184 bool invoke (event_type event, ...); 227 bool invoke (event_type event, ...);
228
185 MTH void instantiate (); 229 MTH void instantiate ();
186 void reattach (); 230 void reattach ();
187 231
188protected: 232protected:
189 // do the real refcount checking work 233 // do the real refcount checking work
… …
201 245
202extern struct global gbl_ev; 246extern struct global gbl_ev;
203 247
204////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 248//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
205 249
206struct object_freezer : dynbuf 250struct object_freezer : dynbuf_text
207{ 251{
208 AV *av; 252 AV *av;
209 253
210 object_freezer (); 254 object_freezer ();
211 ~object_freezer (); 255 ~object_freezer ();
… …
215 // used only for user-defined key-value pairs 259 // used only for user-defined key-value pairs
216 void put (const shstr &k, const shstr &v) 260 void put (const shstr &k, const shstr &v)
217 { 261 {
218 add (k); 262 add (k);
219 263
220 if (v) 264 if (expect_true (v))
221 add (' '), add (v); 265 add (' '), add (v);
222 266
223 add ('\n'); 267 add ('\n');
224 } 268 }
225 269
226 //TODO//temporary, used only for saving body locations
227 void put (const char *k, int v)
228 {
229 add (k);
230 add (' ');
231 add (sint32 (v));
232 add ('\n');
233 }
234
235 template<typename T> 270 template<typename T>
236 void put_string (keyword k, const T &v) 271 void put_kw_string (keyword k, const T &v)
237 { 272 {
238 int klen = keyword_len [k]; 273 int klen = keyword_len [k];
239 int vlen = v ? strlen (v) + 1 : 0; 274 int vlen = v ? strlen (v) + 1 : 0;
240 275
241 char *p = (char *)alloc (klen + vlen + 1); 276 char *p = (char *)alloc (klen + vlen + 1);
242 277
243 memcpy (p, keyword_str [k], klen); p += klen; 278 memcpy (p, keyword_str [k], klen); p += klen;
244 279
245 if (v) 280 if (expect_true (v))
246 { 281 {
247 *p++ = ' '; vlen--; 282 *p++ = ' '; vlen--;
248 memcpy (p, v, vlen); p += vlen; 283 memcpy (p, v, vlen); p += vlen;
249 } 284 }
250 285
251 *p = '\n'; 286 *p = '\n';
252 } 287 }
253 288
254 void put (keyword k, const char *v = 0) 289 void put (keyword k, const char *v = 0)
255 { 290 {
256 put_string (k, v); 291 put_kw_string (k, v);
257 } 292 }
258 293
259 void put (keyword k, const shstr &v) 294 void put (keyword k, const shstr &v)
260 { 295 {
261 put_string (k, v); 296 put_kw_string (k, v);
262 } 297 }
263 298
264 void put (keyword k, double v) 299 void put (keyword k, double v)
265 { 300 {
266 char buf [128]; 301 force (MAX_KEYWORD_LEN + 2 + 32);
267 302 fadd (keyword_str [k], keyword_len [k]);
268 snprintf (buf, 128, "%.7g", v); 303 fadd (' ');
269 304 falloc (sprintf (ptr, "%.7g", v));
270 put (k, (const char *)buf); 305 fadd ('\n');
271 } 306 }
272 307
273 void put_(keyword k, sint64 v) 308 void put_(keyword k, sint64 v)
274 { 309 {
310 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
275 add (keyword_str [k], keyword_len [k]); 311 fadd (keyword_str [k], keyword_len [k]);
276 add (' '); 312 fadd (' ');
277 add (v); 313 add (v);
278 add ('\n'); 314 fadd ('\n');
279 } 315 }
280 316
281 void put_(keyword k, sint32 v) 317 void put_(keyword k, sint32 v)
282 { 318 {
319 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
283 add (keyword_str [k], keyword_len [k]); 320 fadd (keyword_str [k], keyword_len [k]);
284 add (' '); 321 fadd (' ');
285 add (v); 322 add (v);
286 add ('\n'); 323 fadd ('\n');
287 }
288
289 void put (keyword kbeg, keyword kend, const shstr &v)
290 {
291 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
292
293 if (v)
294 {
295 add (v);
296 add ('\n');
297 }
298
299 add (keyword_str [kend], keyword_len [kend]); add ('\n');
300 } 324 }
301 325
302 void put (keyword k, float v) { put (k, (double)v); } 326 void put (keyword k, float v) { put (k, (double)v); }
303 void put (keyword k, signed char v) { put_(k, (sint32)v); } 327 void put (keyword k, signed char v) { put_(k, (sint32)v); }
304 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 328 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
309 void put (keyword k, signed long v) { put_(k, (sint64)v); } 333 void put (keyword k, signed long v) { put_(k, (sint64)v); }
310 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 334 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
311 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 335 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
312 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 336 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
313 337
314 template<typename T> 338 void put (keyword kbeg, keyword kend, const shstr &v)
339 {
340 force (MAX_KEYWORD_LEN + 1);
341 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
342
343 if (expect_true (v))
344 {
345 add (v);
346 add ('\n');
347 }
348
349 force (MAX_KEYWORD_LEN + 1);
350 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
351 }
352
353 void put (keyword k, archetype *v);
354 void put (keyword k, treasurelist *v);
315 void put (keyword k, const T *v) 355 void put (keyword k, faceinfo *v);
316 {
317 if (v)
318 put (k, v->name);
319 else
320 put (k, (const char *)0);
321 }
322 356
323 template<typename T> 357 template<typename T>
324 void put (keyword k, const refptr<T> &v) 358 void put (keyword k, const refptr<T> &v)
325 { 359 {
326 put (k, (T *)v); 360 put (k, (T *)v);
… …
330 char *as_string (); // like strdup 364 char *as_string (); // like strdup
331 365
332 operator bool () { return !!av; } 366 operator bool () { return !!av; }
333}; 367};
334 368
335// compatibility support, should be removed when no longer needed
336int fprintf (object_freezer &freezer, const char *format, ...);
337int fputs (const char *s, object_freezer &freezer);
338
339struct object_thawer 369struct object_thawer
340{ 370{
371 char *line; // current beginning of line
341 SV *text; // text part 372 SV *text; // text part
342 AV *av; // perl part 373 AV *av; // perl part
343 char *line; // current beginning of line 374 int linenum;
344 char *last_keyword, *last_value; 375 keyword kw;
376 char *kw_str; // the keyword parsed, as string
377 char *value; // the value, or 0 if no value
378 char *value_nn; // the value, or the empty string if no value
345 const char *name; 379 const char *name;
346 380
347 operator bool () { return !!text; } 381 operator bool () { return !!text; }
348 382
349 object_thawer (const char *path = 0); 383 object_thawer (const char *path = 0);
350 object_thawer (const char *data, AV *perlav); 384 object_thawer (const char *data, AV *perlav);
351 ~object_thawer (); 385 ~object_thawer ();
352 386
353 void get (attachable *obj, int oid); 387 void get (attachable *obj, int oid);
354 388
355 keyword get_kv (); // also parse value for later use 389 // parse next line
356 void skip_kv (keyword kw); 390 void next ();
391 // skip the current key-value (usually fetch next line, for
392 // multiline-fields, skips till the corresponding end-kw
393 void skip ();
357 394
358 const char *get_str () { return last_value; } // may be 0 395 char *get_str () { return value; } // may be 0
359
360 void get (shstr &sh) const;
361 void get_ornull (shstr &sh) const { sh = last_value; }
362 void get_ml (keyword kend, shstr &sh); 396 void get_ml (keyword kend, shstr &sh);
363 397
398 void get_ornull (shstr &sh) const { sh = value; }
399 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
400
401 bool get_bool () const { return *value_nn == '1'; }
364 sint32 get_sint32 () const; 402 sint32 get_sint32 () const;
365 sint64 get_sint64 () const; 403 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
366 double get_double () const; 404 double get_double () const { return strtod (value_nn, 0); }
367 405
368 void get (float &v) { v = get_double (); } 406 void get (float &v) { v = get_double (); }
369 void get (double &v) { v = get_double (); } 407 void get (double &v) { v = get_double (); }
370 408
371 void get (bool &i) { i = get_sint32 (); } 409 void get (bool &i) { i = get_bool (); }
372 void get (sint8 &i) { i = get_sint32 (); } 410 void get (sint8 &i) { i = get_sint32 (); }
373 void get (uint8 &i) { i = get_sint32 (); } 411 void get (uint8 &i) { i = get_sint32 (); }
374 void get (sint16 &i) { i = get_sint32 (); } 412 void get (sint16 &i) { i = get_sint32 (); }
375 void get (uint16 &i) { i = get_sint32 (); } 413 void get (uint16 &i) { i = get_sint32 (); }
376 void get (sint32 &i) { i = get_sint32 (); } 414 void get (sint32 &i) { i = get_sint32 (); }
377 415
378 void get (uint32 &i) { i = get_sint64 (); } 416 void get (uint32 &i) { i = get_sint64 (); }
379 void get (sint64 &i) { i = get_sint64 (); } 417 void get (sint64 &i) { i = get_sint64 (); }
380};
381 418
419 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
420};
421
422//TODO: remove
382char *fgets (char *s, int n, object_thawer &thawer); 423char *fgets (char *s, int n, object_thawer &thawer);
383 424
384////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 425//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
385 426
386struct coroapi { 427struct coroapi {
387 static struct CoroAPI *GCoroAPI; 428 static struct CoroAPI *GCoroAPI;
388 429
389 static int nready () { return CORO_NREADY; } 430 static int nready () { return CORO_NREADY; }
390 static int cede () { return CORO_CEDE ; } 431 static int cede () { return CORO_CEDE ; }
391 432
433 static tstamp next_cede;
392 static int cede_counter; 434 static int cede_counter;
393 435
436 static void do_cede_every ();
437 static void do_cede_to_tick ();
438 static void do_cede_to_tick_every ();
439
394 static void cede_every (int count) 440 static void cede_every (int count)
395 { 441 {
396 if (++cede_counter >= count) 442 if (expect_false (++cede_counter >= count))
397 { 443 do_cede_every ();
398 cede_counter = 0;
399
400 if (coroapi::nready ())
401 coroapi::cede ();
402 }
403 } 444 }
445
446 static bool cede_to_tick ()
447 {
448 if (expect_true (now () < 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 ();
404}; 465};
405 466
406struct watcher_base 467struct watcher_base
407{ 468{
408 static struct EventAPI *GEventAPI; 469 static struct EventAPI *GEventAPI;

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