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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.35 by root, Thu Dec 14 05:09:32 2006 UTC vs.
Revision 1.63 by root, Mon Apr 23 18:09:57 2007 UTC

… …
9using namespace std; 9using namespace std;
10 10
11#include <EXTERN.h> 11#include <EXTERN.h>
12#include <perl.h> 12#include <perl.h>
13#include <XSUB.h> 13#include <XSUB.h>
14
15#include <EventAPI.h>
16#include <CoroAPI.h>
17
18#include "util.h"
19#include "keyword.h"
20#include "dynbuf.h"
21#include "callback.h"
22
23//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
14 24
15// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 25// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
16#undef localtime 26#undef localtime
17#undef srand48 27#undef srand48
18#undef drand48 28#undef drand48
… …
21#undef getprotobyname 31#undef getprotobyname
22#undef gethostbyname 32#undef gethostbyname
23#undef ctime 33#undef ctime
24#undef strerror 34#undef strerror
25 35
36// same here, massive symbol spamming
37#undef do_open
38#undef do_close
39#undef ref
40#undef seed
41
26// perl bug #40256: perl does overwrite those with reentrant versions 42// perl bug #40256: perl does overwrite those with reentrant versions
27// but does not initialise their state structures. 43// but does not initialise their state structures.
28#undef random 44#undef random
29#undef crypt 45#undef crypt
30 46
47//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48
49// some macros to simplify perl in-calls
50
51#define CHECK_ERROR \
52 if (SvTRUE (ERRSV)) \
53 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
54
55#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
56#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
57#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
58#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
59#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
60
61//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62
31void cfperl_init (); 63void cfperl_init ();
32void cfperl_main (); 64void cfperl_main ();
65void cfperl_emergency_save ();
66void cfperl_cleanup (int make_core);
67
68//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
69
70// virtual server time, excluding time jumps and lag
71extern double runtime;
33 72
34enum event_klass 73enum event_klass
35{ 74{
36 KLASS_NONE, 75 KLASS_NONE,
37 KLASS_GLOBAL, 76 KLASS_GLOBAL,
77 KLASS_ATTACHABLE,
38 KLASS_SOCKET, 78 KLASS_CLIENT,
39 KLASS_PLAYER, 79 KLASS_PLAYER,
40 KLASS_OBJECT, 80 KLASS_OBJECT,
41 KLASS_MAP, 81 KLASS_MAP,
42 KLASS_COMMAND, 82 KLASS_COMMAND,
43}; 83};
… …
48# include "eventinc.h" 88# include "eventinc.h"
49# undef def 89# undef def
50 NUM_EVENT_TYPES 90 NUM_EVENT_TYPES
51}; 91};
52 92
53#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 93#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
54#define ARG_INT(v) DT_INT , static_cast<int> (v) 94#define ARG_INT(v) DT_INT , static_cast<int> (v)
55#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 95#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
56#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 96#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
57#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 97#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
58#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 98#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
59#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 99#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
60#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 100#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
61#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 101#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
62#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 102#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
103#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
63#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 104#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
64#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 105#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
65#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client_socket *> (o)
66 106
67// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 107// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
68 108
69// all these return true when the normal event processing should be skipped (if any) 109// all these return true when the normal event processing should be skipped (if any)
70#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
71
72#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
73#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 110#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
111#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
74#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 112#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
75#define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__) 113#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
76#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 114#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
77#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 115#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
78 116
79//TODO should index into @result 117//TODO should index into @result
80#define RESULT(idx,type) cfperl_result_ ## type (idx) 118#define RESULT(idx,type) cfperl_result_ ## type (idx)
81#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 119#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
82#define RESULT_INT(idx) RESULT(idx, INT) 120#define RESULT_INT(idx) RESULT(idx, INT)
83 121
84bool cfperl_invoke (event_type event, ...);
85double cfperl_result_DOUBLE (int idx); 122double cfperl_result_DOUBLE (int idx);
86int cfperl_result_INT (int idx); 123int cfperl_result_INT (int idx);
87 124
125//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
126
127INTERFACE_CLASS (attachable)
88struct attachable_base 128struct attachable
89{ 129{
130 static MGVTBL vtbl;
131
132 static unordered_vector<attachable *> mortals;
133 MTH static void check_mortals ();
134
135 enum {
136 F_DESTROYED = 0x01,
137 F_DEBUG_TRACE = 0x02,
138 };
139
140 // object is delete'd after the refcount reaches 0
141 int ACC (RW, flags);
142 mutable int ACC (RW, refcnt);
143
144 MTH void refcnt_inc () const { ++refcnt; }
145 MTH void refcnt_dec () const { --refcnt; }
146
147 MTH int refcnt_cnt () const;
148 // check wether the object has died and destroy
149 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
150
151 // destroy the object unless it was already destroyed
152 // this politely asks everybody interested the reduce
153 // the refcount to 0 as soon as possible.
154 MTH void destroy ();
155
156 // return wether an object was destroyed already
157 MTH bool destroyed () const { return flags & F_DESTROYED; }
158
159 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
160
161#if 0
162private:
163 static refcounted *rc_first;
164 refcounted *rc_next;
165#endif
166
90 SV *self; // CF+ perl self 167 HV *self; // CF+ perl self
91 AV *cb; // CF+ callbacks 168 AV *cb; // CF+ callbacks
92 shstr attach; // generic extension attachment information 169 shstr attach; // generic extension attachment information
93 170
94 void clear (); // called when free'ing objects 171 void sever_self (); // sever this object from its self, if it has one.
95 void optimise (); // possibly save some memory by destroying unneeded data 172 void optimise (); // possibly save some memory by destroying unneeded data
96 void instantiate (data_type type, void *obj);
97 173
98 void attachable_clear ()
99 {
100 self = 0;
101 cb = 0;
102 attach = 0;
103 }
104
105 attachable_base () 174 attachable ()
175 : flags (0), refcnt (0), self (0), cb (0), attach (0)
106 { 176 {
107 attachable_clear ();
108 } 177 }
109 178
110 ~attachable_base ()
111 {
112 clear ();
113 }
114
115 attachable_base (const attachable_base &src) 179 attachable (const attachable &src)
116 : self (0), cb (0), attach (src.attach) 180 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
117 { 181 {
118 } 182 }
119 183
184 virtual ~attachable ();
185
120 attachable_base &operator =(const attachable_base &src) 186 attachable &operator =(const attachable &src);
121 {
122 clear ();
123 attach = src.attach;
124 return *this;
125 }
126};
127 187
128// objects attachable from perl (or any other extension) should include or 188 bool invoke (event_type event, ...);
129// derive using the curiously recurring template pattern, to avoid
130// virtual method calls etc.
131template<class subclass>
132struct attachable : attachable_base
133{
134 void instantiate () 189 MTH void instantiate ();
135 { 190 void reattach ();
136 if (attach)
137 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
138 }
139};
140 191
192protected:
193 // do the real refcount checking work
194 void do_check ();
195
196 // the method that does the real destroy work
197 virtual void do_destroy ();
198};
199
200// the global object is a pseudo object that cares for the global events
201struct global : attachable
202{
203 void gather_callbacks (AV *&callbacks, event_type event) const;
204};
205
206extern struct global gbl_ev;
207
208//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
209
141struct object_freezer : dynbuf 210struct object_freezer : dynbuf_text
142{ 211{
143 AV *av; 212 AV *av;
144 213
145 object_freezer (); 214 object_freezer ();
146 ~object_freezer (); 215 ~object_freezer ();
147 216
148 void put (attachable_base *ext); 217 void put (attachable *ext);
149
150 template<class subclass>
151 void put (attachable<subclass> *obj)
152 {
153 put ((attachable_base *)obj);
154 }
155 218
156 // used only for user-defined key-value pairs 219 // used only for user-defined key-value pairs
157 void put (const shstr &k, const shstr &v) 220 void put (const shstr &k, const shstr &v)
158 { 221 {
159 add (k); 222 add (k);
… …
190 } 253 }
191 254
192 *p = '\n'; 255 *p = '\n';
193 } 256 }
194 257
195 void put (keyword k, const char *v) 258 void put (keyword k, const char *v = 0)
196 { 259 {
197 put_string (k, v); 260 put_string (k, v);
198 } 261 }
199 262
200 void put (keyword k, const shstr &v) 263 void put (keyword k, const shstr &v)
… …
265 void put (keyword k, const refptr<T> &v) 328 void put (keyword k, const refptr<T> &v)
266 { 329 {
267 put (k, (T *)v); 330 put (k, (T *)v);
268 } 331 }
269 332
270 bool save (const char *filename); 333 bool save (const char *path);
271 char *as_string (); // like strdup 334 char *as_string (); // like strdup
272 335
273 operator bool () { return !!av; } 336 operator bool () { return !!av; }
274}; 337};
275 338
276// compatibility support, should be removed when no longer needed 339// compatibility support, should be removed when no longer needed
277int fprintf (object_freezer &freezer, const char *format, ...); 340void fprintf (object_freezer &freezer, const char *format, ...);
278int fputs (const char *s, object_freezer &freezer); 341void fputs (const char *s, object_freezer &freezer);
279 342
280struct object_thawer 343struct object_thawer
281{ 344{
282 SV *text; // text part 345 SV *text; // text part
283 AV *av; // perl part 346 AV *av; // perl part
347 int linenum;
284 char *line; // current beginning of line 348 char *line; // current beginning of line
349 keyword kw;
285 char *last_value; 350 char *kw_str, *value;
351 const char *name;
286 352
287 operator bool () { return !!text; } 353 operator bool () { return !!text; }
288 354
289 object_thawer (const char *filename = 0); 355 object_thawer (const char *path = 0);
290 object_thawer (const char *data, AV *perlav); 356 object_thawer (const char *data, AV *perlav);
291 ~object_thawer (); 357 ~object_thawer ();
292 358
293 void get (data_type type, void *obj, attachable_base *ext, int oid);
294
295 template<class subclass>
296 void get (attachable<subclass> *obj, int oid) 359 void get (attachable *obj, int oid);
297 {
298 if (av)
299 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
300 }
301 360
302 keyword get_kv (); // also parse value for later use 361 // parse next line
362 void next ();
363 // skip the current key-value (usually fetch next line, for
364 // multiline-fields, skips untilt he corresponding end-kw
365 void skip ();
303 366
367 //TODO: remove, deprecated
368 keyword get_kv ()
369 {
370 next ();
371 return kw;
372 }
373
304 const char *get_str () { return last_value; } // may be 0 374 char *get_str () { return value; } // may be 0
305 375
306 void get (shstr &sh) const; 376 void get (shstr &sh) const;
307 void get_ornull (shstr &sh) const { sh = last_value; } 377 void get_ornull (shstr &sh) const { sh = value; }
308 void get_ml (keyword kend, shstr &sh); 378 void get_ml (keyword kend, shstr &sh);
309 379
310 sint32 get_sint32 () const; 380 sint32 get_sint32 () const;
311 sint64 get_sint64 () const; 381 sint64 get_sint64 () const;
312 double get_double () const; 382 double get_double () const;
313 383
314 void get (float &v) { v = get_double (); } 384 void get (float &v) { v = get_double (); }
315 void get (double &v) { v = get_double (); } 385 void get (double &v) { v = get_double (); }
316 386
387 void get (bool &i) { i = get_sint32 (); }
317 void get (sint8 &i) { i = get_sint32 (); } 388 void get (sint8 &i) { i = get_sint32 (); }
318 void get (uint8 &i) { i = get_sint32 (); } 389 void get (uint8 &i) { i = get_sint32 (); }
319 void get (sint16 &i) { i = get_sint32 (); } 390 void get (sint16 &i) { i = get_sint32 (); }
320 void get (uint16 &i) { i = get_sint32 (); } 391 void get (uint16 &i) { i = get_sint32 (); }
321 void get (sint32 &i) { i = get_sint32 (); } 392 void get (sint32 &i) { i = get_sint32 (); }
322 393
323 void get (uint32 &i) { i = get_sint64 (); } 394 void get (uint32 &i) { i = get_sint64 (); }
324 void get (sint64 &i) { i = get_sint64 (); } 395 void get (sint64 &i) { i = get_sint64 (); }
325};
326 396
397 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
398};
399
400//TODO: remove
327char *fgets (char *s, int n, object_thawer &thawer); 401char *fgets (char *s, int n, object_thawer &thawer);
328 402
403//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
404
405struct coroapi {
406 static struct CoroAPI *GCoroAPI;
407
408 static int nready () { return CORO_NREADY; }
409 static int cede () { return CORO_CEDE ; }
410
411 static double (*time)();
412 static double next_cede;
413 static int cede_counter;
414
415 static void do_cede_every ();
416 static void do_cede_to_tick ();
417 static void do_cede_to_tick_every ();
418
419 static void cede_every (int count)
420 {
421 if (++cede_counter >= count)
422 do_cede_every ();
423 }
424
425 static void cede_to_tick ()
426 {
427 if (time () >= next_cede)
428 do_cede_to_tick ();
429 }
430
431 static void cede_to_tick_every (int count)
432 {
433 if (++cede_counter >= count)
434 cede_to_tick ();
435 }
436
437 static void wait_for_tick ();
438 static void wait_for_tick_begin ();
439};
440
441struct watcher_base
442{
443 static struct EventAPI *GEventAPI;
444};
445
446template<class base>
447struct watcher : watcher_base
448{
449 base *pe;
450
451 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
452 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
453 void now () { GEventAPI->now ((pe_watcher *)pe); }
454 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
455 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
456
457 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
458
459 ~watcher ()
460 {
461 cancel ();
462 }
463
464private:
465 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
466};
467
468struct iw : watcher<pe_idle>, callback<void (iw &)>
469{
470 template<class O, class M>
471 iw (O object, M method)
472 : callback<void (iw &)> (object, method)
473 {
474 alloc ();
475 }
476
477private:
478 void alloc ();
479};
480
481struct iow : watcher<pe_io>, callback<void (iow &, int)>
482{
483 template<class O, class M>
484 iow (O object, M method)
485 : callback<void (iow &, int)> (object, method)
486 {
487 alloc ();
488 }
489
490 void fd (int fd);
491 int poll ();
492 void poll (int events);
493
494private:
495 void alloc ();
496};
497
329#endif 498#endif
330 499

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