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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.41 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.70 by root, Sun May 27 23:56:21 2007 UTC

… …
2// cfperl.h perl interface 2// cfperl.h perl interface
3// 3//
4#ifndef CFPERL_H__ 4#ifndef CFPERL_H__
5#define CFPERL_H__ 5#define CFPERL_H__
6 6
7#include <cstdarg>
7#include <cstdio> 8#include <cstdio>
9#include <bitset>
8 10
9using namespace std; 11using namespace std;
10 12
11#include <EXTERN.h> 13#include <EXTERN.h>
12#include <perl.h> 14#include <perl.h>
13#include <XSUB.h> 15#include <XSUB.h>
14 16
15#include <EventAPI.h> 17#include <EventAPI.h>
18#include <CoroAPI.h>
16 19
20#include "util.h"
21#include "keyword.h"
22#include "dynbuf.h"
17#include "callback.h" 23#include "callback.h"
24
25//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
18 26
19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 27// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
20#undef localtime 28#undef localtime
21#undef srand48 29#undef srand48
22#undef drand48 30#undef drand48
… …
28#undef strerror 36#undef strerror
29 37
30// same here, massive symbol spamming 38// same here, massive symbol spamming
31#undef do_open 39#undef do_open
32#undef do_close 40#undef do_close
41#undef ref
42#undef seed
33 43
34// perl bug #40256: perl does overwrite those with reentrant versions 44// perl bug #40256: perl does overwrite those with reentrant versions
35// but does not initialise their state structures. 45// but does not initialise their state structures.
36#undef random 46#undef random
37#undef crypt 47#undef crypt
38 48
49//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50
51// some macros to simplify perl in-calls
52
53#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \
55 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
56
57#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
58#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
59#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
60#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
61#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
62
63//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
64
39void cfperl_init (); 65void cfperl_init ();
40void cfperl_main (); 66void cfperl_main ();
67void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core);
69void cfperl_make_book (object *book, int level);
70
71//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
72
73// virtual server time, excluding time jumps and lag
74extern double runtime;
41 75
42enum event_klass 76enum event_klass
43{ 77{
44 KLASS_NONE, 78 KLASS_NONE,
45 KLASS_GLOBAL, 79 KLASS_GLOBAL,
… …
56# define def(klass,name) EVENT_ ## klass ## _ ## name, 90# define def(klass,name) EVENT_ ## klass ## _ ## name,
57# include "eventinc.h" 91# include "eventinc.h"
58# undef def 92# undef def
59 NUM_EVENT_TYPES 93 NUM_EVENT_TYPES
60}; 94};
95
96// in which global events or per-type events are we interested
97extern bitset<NUM_EVENT_TYPES> ev_want_event;
98extern bitset<NUM_TYPES> ev_want_type;
61 99
62#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 100#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
63#define ARG_INT(v) DT_INT , static_cast<int> (v) 101#define ARG_INT(v) DT_INT , static_cast<int> (v)
64#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 102#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
65#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 103#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
72#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 110#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
73#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 111#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
74#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 112#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
75 113
76// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 114// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
77 115#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
78// all these return true when the normal event processing should be skipped (if any)
79#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 116#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
80#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 117#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
81#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 118#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
82#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 119#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
83#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 120#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
84#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 121#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
85 122
86//TODO should index into @result 123//TODO should index into @result
87#define RESULT(idx,type) cfperl_result_ ## type (idx) 124#define RESULT(idx,type) cfperl_result_ ## type (idx)
88#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 125#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
89#define RESULT_INT(idx) RESULT(idx, INT) 126#define RESULT_INT(idx) RESULT(idx, INT)
90 127
91double cfperl_result_DOUBLE (int idx); 128double cfperl_result_DOUBLE (int idx);
92int cfperl_result_INT (int idx); 129int cfperl_result_INT (int idx);
93 130
131//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132
133INTERFACE_CLASS (attachable)
94struct attachable 134struct attachable
95{ 135{
136 static MGVTBL vtbl;
137
96 static unordered_vector<attachable *> mortals; 138 static unordered_vector<attachable *> mortals;
97 static void check_mortals (); 139 MTH static void check_mortals ();
98 140
99 enum { 141 enum {
100 F_DESTROYED = 0x01, 142 F_DESTROYED = 0x01,
101 F_BORROWED = 0x02, 143 F_DEBUG_TRACE = 0x02,
102 }; 144 };
103 145
104 // object is delete'd after the refcount reaches 0 146 // object is delete'd after the refcount reaches 0
147 int ACC (RW, flags);
105 mutable int refcnt; 148 mutable int ACC (RW, refcnt);
106 int flags;
107 149
108 void refcnt_inc () const { ++refcnt; } 150 MTH void refcnt_inc () const { ++refcnt; }
109 void refcnt_dec () const { --refcnt; } 151 MTH void refcnt_dec () const { --refcnt; }
110 152
153 MTH int refcnt_cnt () const;
111 // check wether the object has died and destroy 154 // check wether the object has died and destroy
112 void refcnt_chk () { if (refcnt <= 0) do_check (); } 155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
113 156
114 // destroy the object unless it was already destroyed 157 // destroy the object unless it was already destroyed
115 // this politely asks everybody interested the reduce 158 // this politely asks everybody interested the reduce
116 // the refcount to 0 as soon as possible. 159 // the refcount to 0 as soon as possible.
117 void destroy (); 160 MTH void destroy ();
118 161
119 // return wether an object was destroyed already 162 // return wether an object was destroyed already
120 bool destroyed () const { return flags & F_DESTROYED; } 163 MTH bool destroyed () const { return flags & F_DESTROYED; }
121 164
122 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 165 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
123 166
124#if 0 167#if 0
125private: 168private:
… …
129 172
130 HV *self; // CF+ perl self 173 HV *self; // CF+ perl self
131 AV *cb; // CF+ callbacks 174 AV *cb; // CF+ callbacks
132 shstr attach; // generic extension attachment information 175 shstr attach; // generic extension attachment information
133 176
177 void sever_self (); // sever this object from its self, if it has one.
134 void optimise (); // possibly save some memory by destroying unneeded data 178 void optimise (); // possibly save some memory by destroying unneeded data
135 179
136 attachable () 180 attachable ()
137 : flags (0), refcnt (0), self (0), cb (0), attach (0) 181 : flags (0), refcnt (0), self (0), cb (0), attach (0)
138 { 182 {
139 } 183 }
… …
145 189
146 virtual ~attachable (); 190 virtual ~attachable ();
147 191
148 attachable &operator =(const attachable &src); 192 attachable &operator =(const attachable &src);
149 193
194 // used to _quickly_ device wether to shortcut the evaluation
195 bool should_invoke (event_type event)
196 {
197 return ev_want_event [event] || cb;
198 }
199
150 bool invoke (event_type event, ...); 200 bool invoke (event_type event, ...);
201
151 void instantiate (); 202 MTH void instantiate ();
152 void reattach (); 203 void reattach ();
153 204
154protected: 205protected:
155 // do the real refcount checking work 206 // do the real refcount checking work
156 void do_check (); 207 void do_check ();
… …
165 void gather_callbacks (AV *&callbacks, event_type event) const; 216 void gather_callbacks (AV *&callbacks, event_type event) const;
166}; 217};
167 218
168extern struct global gbl_ev; 219extern struct global gbl_ev;
169 220
221//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222
170struct object_freezer : dynbuf 223struct object_freezer : dynbuf_text
171{ 224{
172 AV *av; 225 AV *av;
173 226
174 object_freezer (); 227 object_freezer ();
175 ~object_freezer (); 228 ~object_freezer ();
… …
179 // used only for user-defined key-value pairs 232 // used only for user-defined key-value pairs
180 void put (const shstr &k, const shstr &v) 233 void put (const shstr &k, const shstr &v)
181 { 234 {
182 add (k); 235 add (k);
183 236
184 if (v) 237 if (expect_true (v))
185 add (' '), add (v); 238 add (' '), add (v);
186 239
187 add ('\n');
188 }
189
190 //TODO//temporary, used only for saving body locations
191 void put (const char *k, int v)
192 {
193 add (k);
194 add (' ');
195 add (sint32 (v));
196 add ('\n'); 240 add ('\n');
197 } 241 }
198 242
199 template<typename T> 243 template<typename T>
200 void put_string (keyword k, const T &v) 244 void put_string (keyword k, const T &v)
… …
204 248
205 char *p = (char *)alloc (klen + vlen + 1); 249 char *p = (char *)alloc (klen + vlen + 1);
206 250
207 memcpy (p, keyword_str [k], klen); p += klen; 251 memcpy (p, keyword_str [k], klen); p += klen;
208 252
209 if (v) 253 if (expect_true (v))
210 { 254 {
211 *p++ = ' '; vlen--; 255 *p++ = ' '; vlen--;
212 memcpy (p, v, vlen); p += vlen; 256 memcpy (p, v, vlen); p += vlen;
213 } 257 }
214 258
215 *p = '\n'; 259 *p = '\n';
216 } 260 }
217 261
218 void put (keyword k, const char *v) 262 void put (keyword k, const char *v = 0)
219 { 263 {
220 put_string (k, v); 264 put_string (k, v);
221 } 265 }
222 266
223 void put (keyword k, const shstr &v) 267 void put (keyword k, const shstr &v)
… …
225 put_string (k, v); 269 put_string (k, v);
226 } 270 }
227 271
228 void put (keyword k, double v) 272 void put (keyword k, double v)
229 { 273 {
230 char buf [128]; 274 force (MAX_KEYWORD_LEN + 2 + 32);
231 275 fadd (keyword_str [k], keyword_len [k]);
232 snprintf (buf, 128, "%.7g", v); 276 fadd (' ');
233 277 falloc (sprintf (ptr, "%.7g", v));
234 put (k, (const char *)buf); 278 fadd ('\n');
235 } 279 }
236 280
237 void put_(keyword k, sint64 v) 281 void put_(keyword k, sint64 v)
238 { 282 {
283 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
239 add (keyword_str [k], keyword_len [k]); 284 fadd (keyword_str [k], keyword_len [k]);
240 add (' '); 285 fadd (' ');
241 add (v); 286 add (v);
242 add ('\n'); 287 fadd ('\n');
243 } 288 }
244 289
245 void put_(keyword k, sint32 v) 290 void put_(keyword k, sint32 v)
246 { 291 {
292 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
247 add (keyword_str [k], keyword_len [k]); 293 fadd (keyword_str [k], keyword_len [k]);
248 add (' '); 294 fadd (' ');
249 add (v); 295 add (v);
250 add ('\n'); 296 fadd ('\n');
251 } 297 }
252 298
253 void put (keyword kbeg, keyword kend, const shstr &v) 299 void put (keyword kbeg, keyword kend, const shstr &v)
254 { 300 {
301 force (MAX_KEYWORD_LEN + 1);
255 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 302 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
256 303
257 if (v) 304 if (expect_true (v))
258 { 305 {
259 add (v); 306 add (v);
260 add ('\n'); 307 add ('\n');
261 } 308 }
262 309
310 force (MAX_KEYWORD_LEN + 1);
263 add (keyword_str [kend], keyword_len [kend]); add ('\n'); 311 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
264 } 312 }
265 313
266 void put (keyword k, float v) { put (k, (double)v); } 314 void put (keyword k, float v) { put (k, (double)v); }
267 void put (keyword k, signed char v) { put_(k, (sint32)v); } 315 void put (keyword k, signed char v) { put_(k, (sint32)v); }
268 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 316 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
276 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 324 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
277 325
278 template<typename T> 326 template<typename T>
279 void put (keyword k, const T *v) 327 void put (keyword k, const T *v)
280 { 328 {
281 if (v) 329 if (expect_true (v))
282 put (k, v->name); 330 put (k, v->name);
283 else 331 else
284 put (k, (const char *)0); 332 put (k, (const char *)0);
285 } 333 }
286 334
… …
288 void put (keyword k, const refptr<T> &v) 336 void put (keyword k, const refptr<T> &v)
289 { 337 {
290 put (k, (T *)v); 338 put (k, (T *)v);
291 } 339 }
292 340
293 bool save (const char *filename); 341 bool save (const char *path);
294 char *as_string (); // like strdup 342 char *as_string (); // like strdup
295 343
296 operator bool () { return !!av; } 344 operator bool () { return !!av; }
297}; 345};
298 346
299// compatibility support, should be removed when no longer needed
300int fprintf (object_freezer &freezer, const char *format, ...);
301int fputs (const char *s, object_freezer &freezer);
302
303struct object_thawer 347struct object_thawer
304{ 348{
349 char *line; // current beginning of line
305 SV *text; // text part 350 SV *text; // text part
306 AV *av; // perl part 351 AV *av; // perl part
307 char *line; // current beginning of line 352 int linenum;
308 char *last_value; 353 keyword kw;
354 char *kw_str; // the keyword parsed, as string
355 char *value; // the value, or 0 if no value
356 char *value_nn; // the value, or the empty string if no value
357 const char *name;
309 358
310 operator bool () { return !!text; } 359 operator bool () { return !!text; }
311 360
312 object_thawer (const char *filename = 0); 361 object_thawer (const char *path = 0);
313 object_thawer (const char *data, AV *perlav); 362 object_thawer (const char *data, AV *perlav);
314 ~object_thawer (); 363 ~object_thawer ();
315 364
316 void get (attachable *obj, int oid); 365 void get (attachable *obj, int oid);
317 366
318 keyword get_kv (); // also parse value for later use 367 // parse next line
368 void next ();
369 // skip the current key-value (usually fetch next line, for
370 // multiline-fields, skips untilt he corresponding end-kw
371 void skip ();
319 372
373 //TODO: remove, deprecated
374 keyword get_kv ()
375 {
376 next ();
377 return kw;
378 }
379
320 const char *get_str () { return last_value; } // may be 0 380 char *get_str () { return value; } // may be 0
321
322 void get (shstr &sh) const;
323 void get_ornull (shstr &sh) const { sh = last_value; }
324 void get_ml (keyword kend, shstr &sh); 381 void get_ml (keyword kend, shstr &sh);
325 382
383 void get_ornull (shstr &sh) const { sh = value; }
384 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
385
386 bool get_bool () const { return *value_nn == '1'; }
326 sint32 get_sint32 () const; 387 sint32 get_sint32 () const;
327 sint64 get_sint64 () const; 388 sint64 get_sint64 () const { return atoll (value_nn); }
328 double get_double () const; 389 double get_double () const { return atof (value_nn); }
329 390
330 void get (float &v) { v = get_double (); } 391 void get (float &v) { v = get_double (); }
331 void get (double &v) { v = get_double (); } 392 void get (double &v) { v = get_double (); }
332 393
394 void get (bool &i) { i = get_bool (); }
333 void get (sint8 &i) { i = get_sint32 (); } 395 void get (sint8 &i) { i = get_sint32 (); }
334 void get (uint8 &i) { i = get_sint32 (); } 396 void get (uint8 &i) { i = get_sint32 (); }
335 void get (sint16 &i) { i = get_sint32 (); } 397 void get (sint16 &i) { i = get_sint32 (); }
336 void get (uint16 &i) { i = get_sint32 (); } 398 void get (uint16 &i) { i = get_sint32 (); }
337 void get (sint32 &i) { i = get_sint32 (); } 399 void get (sint32 &i) { i = get_sint32 (); }
338 400
339 void get (uint32 &i) { i = get_sint64 (); } 401 void get (uint32 &i) { i = get_sint64 (); }
340 void get (sint64 &i) { i = get_sint64 (); } 402 void get (sint64 &i) { i = get_sint64 (); }
341};
342 403
404 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
405};
406
407//TODO: remove
343char *fgets (char *s, int n, object_thawer &thawer); 408char *fgets (char *s, int n, object_thawer &thawer);
409
410//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
411
412struct coroapi {
413 static struct CoroAPI *GCoroAPI;
414
415 static int nready () { return CORO_NREADY; }
416 static int cede () { return CORO_CEDE ; }
417
418 static double (*time)();
419 static double next_cede;
420 static int cede_counter;
421
422 static void do_cede_every ();
423 static void do_cede_to_tick ();
424 static void do_cede_to_tick_every ();
425
426 static void cede_every (int count)
427 {
428 if (expect_false (++cede_counter >= count))
429 do_cede_every ();
430 }
431
432 static void cede_to_tick ()
433 {
434 if (expect_false (time () >= next_cede))
435 do_cede_to_tick ();
436 }
437
438 static void cede_to_tick_every (int count)
439 {
440 if (expect_false (++cede_counter >= count))
441 cede_to_tick ();
442 }
443
444 static void wait_for_tick ();
445 static void wait_for_tick_begin ();
446};
344 447
345struct watcher_base 448struct watcher_base
346{ 449{
347 static struct EventAPI *GEventAPI; 450 static struct EventAPI *GEventAPI;
348}; 451};

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