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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.34 by root, Mon Dec 11 23:35:37 2006 UTC vs.
Revision 1.43 by root, Sat Dec 30 15:07:59 2006 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
26// perl bug #40256: perl does overwrite those with reentrant versions 41// perl bug #40256: perl does overwrite those with reentrant versions
27// but does not initialise their state structures. 42// but does not initialise their state structures.
28#undef random 43#undef random
29#undef crypt 44#undef crypt
30 45
46//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
47
48// some macros to simplify perl in-calls
49
50#define CHECK_ERROR \
51 if (SvTRUE (ERRSV)) \
52 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
53
54#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
55#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
56#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
57#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
58#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
59
60//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
61
31void cfperl_init (); 62void cfperl_init ();
32void cfperl_main (); 63void cfperl_main ();
33 64
65//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
66
67// virtual server time, excluding time jumps and lag
68extern double runtime;
69
34enum event_klass 70enum event_klass
35{ 71{
36 KLASS_NONE, 72 KLASS_NONE,
37 KLASS_GLOBAL, 73 KLASS_GLOBAL,
74 KLASS_ATTACHABLE,
75 KLASS_CLIENT,
38 KLASS_PLAYER, 76 KLASS_PLAYER,
39 KLASS_OBJECT, 77 KLASS_OBJECT,
40 KLASS_MAP, 78 KLASS_MAP,
41 KLASS_COMMAND, 79 KLASS_COMMAND,
42}; 80};
47# include "eventinc.h" 85# include "eventinc.h"
48# undef def 86# undef def
49 NUM_EVENT_TYPES 87 NUM_EVENT_TYPES
50}; 88};
51 89
52#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 90#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
53#define ARG_INT(v) DT_INT , static_cast<int> (v) 91#define ARG_INT(v) DT_INT , static_cast<int> (v)
54#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 92#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
55#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 93#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
56#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 94#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
57#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 95#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
58#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 96#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
59#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 97#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
60#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 98#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
61#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 99#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
100#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
62#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 101#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
63#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 102#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
64 103
65// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 104// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
66 105
67// all these return true when the normal event processing should be skipped (if any) 106// all these return true when the normal event processing should be skipped (if any)
68#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
69
70#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
71#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 107#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
108#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
72#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 109#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
110#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
73#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 111#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
74#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 112#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
75 113
76//TODO should index into @result 114//TODO should index into @result
77#define RESULT(idx,type) cfperl_result_ ## type (idx) 115#define RESULT(idx,type) cfperl_result_ ## type (idx)
78#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 116#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
79#define RESULT_INT(idx) RESULT(idx, INT) 117#define RESULT_INT(idx) RESULT(idx, INT)
80 118
81bool cfperl_invoke (event_type event, ...);
82double cfperl_result_DOUBLE (int idx); 119double cfperl_result_DOUBLE (int idx);
83int cfperl_result_INT (int idx); 120int cfperl_result_INT (int idx);
84 121
122//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
123
85struct attachable_base 124struct attachable
86{ 125{
87 SV *self; 126 static MGVTBL vtbl;
127
128 static unordered_vector<attachable *> mortals;
129 static void check_mortals ();
130
131 enum {
132 F_DESTROYED = 0x01,
133 F_BORROWED = 0x02,
134 };
135
136 // object is delete'd after the refcount reaches 0
137 mutable int refcnt;
138 int flags;
139
140 void refcnt_inc () const { ++refcnt; }
141 void refcnt_dec () const { --refcnt; }
142
143 // check wether the object has died and destroy
144 void refcnt_chk () { if (refcnt <= 0) do_check (); }
145
146 // destroy the object unless it was already destroyed
147 // this politely asks everybody interested the reduce
148 // the refcount to 0 as soon as possible.
149 void destroy ();
150
151 // return wether an object was destroyed already
152 bool destroyed () const { return flags & F_DESTROYED; }
153
154 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
155
156#if 0
157private:
158 static refcounted *rc_first;
159 refcounted *rc_next;
160#endif
161
162 HV *self; // CF+ perl self
88 AV *cb; // CF+ perl self and callback 163 AV *cb; // CF+ callbacks
89 shstr attach; // generic extension attachment information 164 shstr attach; // generic extension attachment information
90 165
91 void clear (); // called when free'ing objects
92 void optimise (); // possibly save some memory by destroying unneeded data 166 void optimise (); // possibly save some memory by destroying unneeded data
93 void instantiate (data_type type, void *obj);
94 167
95 void attachable_clear ()
96 {
97 self = 0;
98 cb = 0;
99 attach = 0;
100 }
101
102 attachable_base () 168 attachable ()
169 : flags (0), refcnt (0), self (0), cb (0), attach (0)
103 { 170 {
104 attachable_clear ();
105 } 171 }
106 172
107 ~attachable_base ()
108 {
109 clear ();
110 }
111
112 attachable_base (const attachable_base &src) 173 attachable (const attachable &src)
113 : self (0), cb (0), attach (src.attach) 174 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
114 { 175 {
115 } 176 }
116 177
178 virtual ~attachable ();
179
117 attachable_base &operator = (const attachable_base &src) 180 attachable &operator =(const attachable &src);
118 {
119 clear ();
120 attach = src.attach;
121 return *this;
122 }
123};
124 181
125// objects attachable from perl (or any other extension) should include or 182 bool invoke (event_type event, ...);
126// derive using the curiously recurring template pattern, to avoid
127// virtual method calls etc.
128template<class subclass>
129struct attachable : attachable_base
130{
131 void instantiate () 183 void instantiate ();
132 { 184 void reattach ();
133 if (attach) 185
134 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 186protected:
135 } 187 // do the real refcount checking work
188 void do_check ();
189
190 // the method that does the real destroy work
191 virtual void do_destroy ();
136}; 192};
193
194// the global object is a pseudo object that cares for the global events
195struct global : attachable
196{
197 void gather_callbacks (AV *&callbacks, event_type event) const;
198};
199
200extern struct global gbl_ev;
201
202//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
137 203
138struct object_freezer : dynbuf 204struct object_freezer : dynbuf
139{ 205{
140 AV *av; 206 AV *av;
141 207
142 object_freezer (); 208 object_freezer ();
143 ~object_freezer (); 209 ~object_freezer ();
144 210
145 void put (attachable_base *ext); 211 void put (attachable *ext);
146
147 template<class subclass>
148 void put (attachable<subclass> *obj)
149 {
150 put ((attachable_base *)obj);
151 }
152 212
153 // used only for user-defined key-value pairs 213 // used only for user-defined key-value pairs
154 void put (const shstr &k, const shstr &v) 214 void put (const shstr &k, const shstr &v)
155 { 215 {
156 add (k); 216 add (k);
277struct object_thawer 337struct object_thawer
278{ 338{
279 SV *text; // text part 339 SV *text; // text part
280 AV *av; // perl part 340 AV *av; // perl part
281 char *line; // current beginning of line 341 char *line; // current beginning of line
282 char *last_value; 342 char *last_keyword, *last_value;
283 343
284 operator bool () { return !!text; } 344 operator bool () { return !!text; }
285 345
286 object_thawer (const char *filename = 0); 346 object_thawer (const char *filename = 0);
287 object_thawer (const char *data, AV *perlav); 347 object_thawer (const char *data, AV *perlav);
288 ~object_thawer (); 348 ~object_thawer ();
289 349
290 void get (data_type type, void *obj, attachable_base *ext, int oid);
291
292 template<class subclass>
293 void get (attachable<subclass> *obj, int oid) 350 void get (attachable *obj, int oid);
294 {
295 if (av)
296 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
297 }
298 351
299 keyword get_kv (); // also parse value for later use 352 keyword get_kv (); // also parse value for later use
353 void skip_kv (keyword kw);
300 354
301 const char *get_str () { return last_value; } // may be 0 355 const char *get_str () { return last_value; } // may be 0
302 356
303 void get (shstr &sh) const; 357 void get (shstr &sh) const;
304 void get_ornull (shstr &sh) const { sh = last_value; } 358 void get_ornull (shstr &sh) const { sh = last_value; }
306 360
307 sint32 get_sint32 () const; 361 sint32 get_sint32 () const;
308 sint64 get_sint64 () const; 362 sint64 get_sint64 () const;
309 double get_double () const; 363 double get_double () const;
310 364
311 void get (float &v) { v = get_double (); } 365 void get (float &v) { v = get_double (); }
312 void get (double &v) { v = get_double (); } 366 void get (double &v) { v = get_double (); }
313 367
368 void get (bool &i) { i = get_sint32 (); }
314 void get (sint8 &i) { i = get_sint32 (); } 369 void get (sint8 &i) { i = get_sint32 (); }
315 void get (uint8 &i) { i = get_sint32 (); } 370 void get (uint8 &i) { i = get_sint32 (); }
316 void get (sint16 &i) { i = get_sint32 (); } 371 void get (sint16 &i) { i = get_sint32 (); }
317 void get (uint16 &i) { i = get_sint32 (); } 372 void get (uint16 &i) { i = get_sint32 (); }
318 void get (sint32 &i) { i = get_sint32 (); } 373 void get (sint32 &i) { i = get_sint32 (); }
321 void get (sint64 &i) { i = get_sint64 (); } 376 void get (sint64 &i) { i = get_sint64 (); }
322}; 377};
323 378
324char *fgets (char *s, int n, object_thawer &thawer); 379char *fgets (char *s, int n, object_thawer &thawer);
325 380
381//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
382
383struct coroapi {
384 static struct CoroAPI *GCoroAPI;
385
386 static int nready () { return CORO_NREADY; }
387 static int cede () { return CORO_CEDE ; }
388};
389
390struct watcher_base
391{
392 static struct EventAPI *GEventAPI;
393};
394
395template<class base>
396struct watcher : watcher_base
397{
398 base *pe;
399
400 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
401 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
402 void now () { GEventAPI->now ((pe_watcher *)pe); }
403 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
404 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
405
406 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
407
408 ~watcher ()
409 {
410 cancel ();
411 }
412
413private:
414 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
415};
416
417struct iw : watcher<pe_idle>, callback<void (iw &)>
418{
419 template<class O, class M>
420 iw (O object, M method)
421 : callback<void (iw &)> (object, method)
422 {
423 alloc ();
424 }
425
426private:
427 void alloc ();
428};
429
430struct iow : watcher<pe_io>, callback<void (iow &, int)>
431{
432 template<class O, class M>
433 iow (O object, M method)
434 : callback<void (iow &, int)> (object, method)
435 {
436 alloc ();
437 }
438
439 void fd (int fd);
440 int poll ();
441 void poll (int events);
442
443private:
444 void alloc ();
445};
446
326#endif 447#endif
327 448

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