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/cvs/deliantra/server/include/cfperl.h
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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.38 by root, Sat Dec 16 03:08:26 2006 UTC vs.
Revision 1.41 by root, Mon Dec 25 11:25:49 2006 UTC

… …
25#undef getprotobyname 25#undef getprotobyname
26#undef gethostbyname 26#undef gethostbyname
27#undef ctime 27#undef ctime
28#undef strerror 28#undef strerror
29 29
30// same here, massive symbol spamming
31#undef do_open
32#undef do_close
33
30// perl bug #40256: perl does overwrite those with reentrant versions 34// perl bug #40256: perl does overwrite those with reentrant versions
31// but does not initialise their state structures. 35// but does not initialise their state structures.
32#undef random 36#undef random
33#undef crypt 37#undef crypt
34 38
… …
37 41
38enum event_klass 42enum event_klass
39{ 43{
40 KLASS_NONE, 44 KLASS_NONE,
41 KLASS_GLOBAL, 45 KLASS_GLOBAL,
46 KLASS_ATTACHABLE,
42 KLASS_SOCKET, 47 KLASS_CLIENT,
43 KLASS_PLAYER, 48 KLASS_PLAYER,
44 KLASS_OBJECT, 49 KLASS_OBJECT,
45 KLASS_MAP, 50 KLASS_MAP,
46 KLASS_COMMAND, 51 KLASS_COMMAND,
47}; 52};
… …
52# include "eventinc.h" 57# include "eventinc.h"
53# undef def 58# undef def
54 NUM_EVENT_TYPES 59 NUM_EVENT_TYPES
55}; 60};
56 61
57#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 62#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
58#define ARG_INT(v) DT_INT , static_cast<int> (v) 63#define ARG_INT(v) DT_INT , static_cast<int> (v)
59#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 64#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
60#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 65#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
61#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 66#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
62#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 67#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
63#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 68#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
64#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 69#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
65#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 70#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
66#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 71#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
72#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
67#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 73#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
68#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 74#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
69#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client *> (o)
70 75
71// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 76// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
72 77
73// all these return true when the normal event processing should be skipped (if any) 78// all these return true when the normal event processing should be skipped (if any)
74#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
75
76#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
77#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 79#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
80#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
78#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 81#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
79#define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__) 82#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
80#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 83#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
81#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 84#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
82 85
83//TODO should index into @result 86//TODO should index into @result
84#define RESULT(idx,type) cfperl_result_ ## type (idx) 87#define RESULT(idx,type) cfperl_result_ ## type (idx)
85#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 88#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
86#define RESULT_INT(idx) RESULT(idx, INT) 89#define RESULT_INT(idx) RESULT(idx, INT)
87 90
88bool cfperl_invoke (event_type event, ...);
89double cfperl_result_DOUBLE (int idx); 91double cfperl_result_DOUBLE (int idx);
90int cfperl_result_INT (int idx); 92int cfperl_result_INT (int idx);
91 93
92struct attachable_base 94struct attachable
93{ 95{
96 static unordered_vector<attachable *> mortals;
97 static void check_mortals ();
98
99 enum {
100 F_DESTROYED = 0x01,
101 F_BORROWED = 0x02,
102 };
103
104 // object is delete'd after the refcount reaches 0
105 mutable int refcnt;
106 int flags;
107
108 void refcnt_inc () const { ++refcnt; }
109 void refcnt_dec () const { --refcnt; }
110
111 // check wether the object has died and destroy
112 void refcnt_chk () { if (refcnt <= 0) do_check (); }
113
114 // destroy the object unless it was already destroyed
115 // this politely asks everybody interested the reduce
116 // the refcount to 0 as soon as possible.
117 void destroy ();
118
119 // return wether an object was destroyed already
120 bool destroyed () const { return flags & F_DESTROYED; }
121
122 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
123
124#if 0
125private:
126 static refcounted *rc_first;
127 refcounted *rc_next;
128#endif
129
94 SV *self; // CF+ perl self 130 HV *self; // CF+ perl self
95 AV *cb; // CF+ callbacks 131 AV *cb; // CF+ callbacks
96 shstr attach; // generic extension attachment information 132 shstr attach; // generic extension attachment information
97 133
98 void clear (); // called when free'ing objects
99 void optimise (); // possibly save some memory by destroying unneeded data 134 void optimise (); // possibly save some memory by destroying unneeded data
100 void instantiate (data_type type, void *obj);
101 135
102 void attachable_clear ()
103 {
104 self = 0;
105 cb = 0;
106 attach = 0;
107 }
108
109 attachable_base () 136 attachable ()
137 : flags (0), refcnt (0), self (0), cb (0), attach (0)
110 { 138 {
111 attachable_clear ();
112 } 139 }
113 140
114 ~attachable_base ()
115 {
116 clear ();
117 }
118
119 attachable_base (const attachable_base &src) 141 attachable (const attachable &src)
120 : self (0), cb (0), attach (src.attach) 142 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
121 { 143 {
122 } 144 }
123 145
146 virtual ~attachable ();
147
124 attachable_base &operator =(const attachable_base &src) 148 attachable &operator =(const attachable &src);
125 {
126 clear ();
127 attach = src.attach;
128 return *this;
129 }
130};
131 149
132// objects attachable from perl (or any other extension) should include or 150 bool invoke (event_type event, ...);
133// derive using the curiously recurring template pattern, to avoid
134// virtual method calls etc.
135template<class subclass>
136struct attachable : attachable_base
137{
138 void instantiate () 151 void instantiate ();
139 { 152 void reattach ();
140 if (attach) 153
141 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 154protected:
142 } 155 // do the real refcount checking work
156 void do_check ();
157
158 // the method that does the real destroy work
159 virtual void do_destroy ();
143}; 160};
161
162// the global object is a pseudo object that cares for the global events
163struct global : attachable
164{
165 void gather_callbacks (AV *&callbacks, event_type event) const;
166};
167
168extern struct global gbl_ev;
144 169
145struct object_freezer : dynbuf 170struct object_freezer : dynbuf
146{ 171{
147 AV *av; 172 AV *av;
148 173
149 object_freezer (); 174 object_freezer ();
150 ~object_freezer (); 175 ~object_freezer ();
151 176
152 void put (attachable_base *ext); 177 void put (attachable *ext);
153
154 template<class subclass>
155 void put (attachable<subclass> *obj)
156 {
157 put ((attachable_base *)obj);
158 }
159 178
160 // used only for user-defined key-value pairs 179 // used only for user-defined key-value pairs
161 void put (const shstr &k, const shstr &v) 180 void put (const shstr &k, const shstr &v)
162 { 181 {
163 add (k); 182 add (k);
… …
292 311
293 object_thawer (const char *filename = 0); 312 object_thawer (const char *filename = 0);
294 object_thawer (const char *data, AV *perlav); 313 object_thawer (const char *data, AV *perlav);
295 ~object_thawer (); 314 ~object_thawer ();
296 315
297 void get (data_type type, void *obj, attachable_base *ext, int oid);
298
299 template<class subclass>
300 void get (attachable<subclass> *obj, int oid) 316 void get (attachable *obj, int oid);
301 {
302 if (av)
303 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
304 }
305 317
306 keyword get_kv (); // also parse value for later use 318 keyword get_kv (); // also parse value for later use
307 319
308 const char *get_str () { return last_value; } // may be 0 320 const char *get_str () { return last_value; } // may be 0
309 321

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