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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 1.64 by root, Sat May 19 00:08:11 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);
69
70//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
71
72// virtual server time, excluding time jumps and lag
73extern double runtime;
41 74
42enum event_klass 75enum event_klass
43{ 76{
44 KLASS_NONE, 77 KLASS_NONE,
45 KLASS_GLOBAL, 78 KLASS_GLOBAL,
… …
56# define def(klass,name) EVENT_ ## klass ## _ ## name, 89# define def(klass,name) EVENT_ ## klass ## _ ## name,
57# include "eventinc.h" 90# include "eventinc.h"
58# undef def 91# undef def
59 NUM_EVENT_TYPES 92 NUM_EVENT_TYPES
60}; 93};
94
95// in which global events or per-type events are we interested
96extern bitset<NUM_EVENT_TYPES> ev_want_event;
97extern bitset<NUM_TYPES> ev_want_type;
61 98
62#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 99#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
63#define ARG_INT(v) DT_INT , static_cast<int> (v) 100#define ARG_INT(v) DT_INT , static_cast<int> (v)
64#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 101#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
65#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 102#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
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 bool vinvoke (event_type event, va_list &ap);
150 bool invoke (event_type event, ...); 195 bool invoke (event_type event, ...)
196 {
197 if (ev_want_event [event] || cb)
198 {
199 va_list ap;
200 va_start (ap, event);
201 vinvoke (event, ap);
202 va_end (ap);
203 }
204 }
205
151 void instantiate (); 206 MTH void instantiate ();
152 void reattach (); 207 void reattach ();
153 208
154protected: 209protected:
155 // do the real refcount checking work 210 // do the real refcount checking work
156 void do_check (); 211 void do_check ();
… …
165 void gather_callbacks (AV *&callbacks, event_type event) const; 220 void gather_callbacks (AV *&callbacks, event_type event) const;
166}; 221};
167 222
168extern struct global gbl_ev; 223extern struct global gbl_ev;
169 224
225//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
226
170struct object_freezer : dynbuf 227struct object_freezer : dynbuf_text
171{ 228{
172 AV *av; 229 AV *av;
173 230
174 object_freezer (); 231 object_freezer ();
175 ~object_freezer (); 232 ~object_freezer ();
… …
213 } 270 }
214 271
215 *p = '\n'; 272 *p = '\n';
216 } 273 }
217 274
218 void put (keyword k, const char *v) 275 void put (keyword k, const char *v = 0)
219 { 276 {
220 put_string (k, v); 277 put_string (k, v);
221 } 278 }
222 279
223 void put (keyword k, const shstr &v) 280 void put (keyword k, const shstr &v)
… …
288 void put (keyword k, const refptr<T> &v) 345 void put (keyword k, const refptr<T> &v)
289 { 346 {
290 put (k, (T *)v); 347 put (k, (T *)v);
291 } 348 }
292 349
293 bool save (const char *filename); 350 bool save (const char *path);
294 char *as_string (); // like strdup 351 char *as_string (); // like strdup
295 352
296 operator bool () { return !!av; } 353 operator bool () { return !!av; }
297}; 354};
298 355
299// compatibility support, should be removed when no longer needed 356// compatibility support, should be removed when no longer needed
300int fprintf (object_freezer &freezer, const char *format, ...); 357void fprintf (object_freezer &freezer, const char *format, ...);
301int fputs (const char *s, object_freezer &freezer); 358void fputs (const char *s, object_freezer &freezer);
302 359
303struct object_thawer 360struct object_thawer
304{ 361{
305 SV *text; // text part 362 SV *text; // text part
306 AV *av; // perl part 363 AV *av; // perl part
364 int linenum;
307 char *line; // current beginning of line 365 char *line; // current beginning of line
366 keyword kw;
308 char *last_value; 367 char *kw_str, *value;
368 const char *name;
309 369
310 operator bool () { return !!text; } 370 operator bool () { return !!text; }
311 371
312 object_thawer (const char *filename = 0); 372 object_thawer (const char *path = 0);
313 object_thawer (const char *data, AV *perlav); 373 object_thawer (const char *data, AV *perlav);
314 ~object_thawer (); 374 ~object_thawer ();
315 375
316 void get (attachable *obj, int oid); 376 void get (attachable *obj, int oid);
317 377
318 keyword get_kv (); // also parse value for later use 378 // parse next line
379 void next ();
380 // skip the current key-value (usually fetch next line, for
381 // multiline-fields, skips untilt he corresponding end-kw
382 void skip ();
319 383
384 //TODO: remove, deprecated
385 keyword get_kv ()
386 {
387 next ();
388 return kw;
389 }
390
320 const char *get_str () { return last_value; } // may be 0 391 char *get_str () { return value; } // may be 0
321 392
322 void get (shstr &sh) const; 393 void get (shstr &sh) const;
323 void get_ornull (shstr &sh) const { sh = last_value; } 394 void get_ornull (shstr &sh) const { sh = value; }
324 void get_ml (keyword kend, shstr &sh); 395 void get_ml (keyword kend, shstr &sh);
325 396
326 sint32 get_sint32 () const; 397 sint32 get_sint32 () const;
327 sint64 get_sint64 () const; 398 sint64 get_sint64 () const;
328 double get_double () const; 399 double get_double () const;
329 400
330 void get (float &v) { v = get_double (); } 401 void get (float &v) { v = get_double (); }
331 void get (double &v) { v = get_double (); } 402 void get (double &v) { v = get_double (); }
332 403
404 void get (bool &i) { i = get_sint32 (); }
333 void get (sint8 &i) { i = get_sint32 (); } 405 void get (sint8 &i) { i = get_sint32 (); }
334 void get (uint8 &i) { i = get_sint32 (); } 406 void get (uint8 &i) { i = get_sint32 (); }
335 void get (sint16 &i) { i = get_sint32 (); } 407 void get (sint16 &i) { i = get_sint32 (); }
336 void get (uint16 &i) { i = get_sint32 (); } 408 void get (uint16 &i) { i = get_sint32 (); }
337 void get (sint32 &i) { i = get_sint32 (); } 409 void get (sint32 &i) { i = get_sint32 (); }
338 410
339 void get (uint32 &i) { i = get_sint64 (); } 411 void get (uint32 &i) { i = get_sint64 (); }
340 void get (sint64 &i) { i = get_sint64 (); } 412 void get (sint64 &i) { i = get_sint64 (); }
341};
342 413
414 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
415};
416
417//TODO: remove
343char *fgets (char *s, int n, object_thawer &thawer); 418char *fgets (char *s, int n, object_thawer &thawer);
419
420//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
421
422struct coroapi {
423 static struct CoroAPI *GCoroAPI;
424
425 static int nready () { return CORO_NREADY; }
426 static int cede () { return CORO_CEDE ; }
427
428 static double (*time)();
429 static double next_cede;
430 static int cede_counter;
431
432 static void do_cede_every ();
433 static void do_cede_to_tick ();
434 static void do_cede_to_tick_every ();
435
436 static void cede_every (int count)
437 {
438 if (++cede_counter >= count)
439 do_cede_every ();
440 }
441
442 static void cede_to_tick ()
443 {
444 if (time () >= next_cede)
445 do_cede_to_tick ();
446 }
447
448 static void cede_to_tick_every (int count)
449 {
450 if (++cede_counter >= count)
451 cede_to_tick ();
452 }
453
454 static void wait_for_tick ();
455 static void wait_for_tick_begin ();
456};
344 457
345struct watcher_base 458struct watcher_base
346{ 459{
347 static struct EventAPI *GEventAPI; 460 static struct EventAPI *GEventAPI;
348}; 461};

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