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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 | |
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30 | // same here, massive symbol spamming |
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31 | #undef do_open |
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32 | #undef do_close |
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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 | |
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37 | |
41 | |
38 | enum event_klass |
42 | enum event_klass |
39 | { |
43 | { |
40 | KLASS_NONE, |
44 | KLASS_NONE, |
41 | KLASS_GLOBAL, |
45 | KLASS_GLOBAL, |
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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 | }; |
… | |
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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)) |
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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_socket *> (o) |
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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) |
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75 | |
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76 | #define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
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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) |
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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 | |
88 | bool cfperl_invoke (event_type event, ...); |
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89 | double cfperl_result_DOUBLE (int idx); |
91 | double cfperl_result_DOUBLE (int idx); |
90 | int cfperl_result_INT (int idx); |
92 | int cfperl_result_INT (int idx); |
91 | |
93 | |
92 | struct attachable_base |
94 | struct attachable |
93 | { |
95 | { |
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96 | static unordered_vector<attachable *> mortals; |
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97 | static void check_mortals (); |
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98 | |
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99 | enum { |
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100 | F_DESTROYED = 0x01, |
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101 | F_BORROWED = 0x02, |
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102 | }; |
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103 | |
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104 | // object is delete'd after the refcount reaches 0 |
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105 | mutable int refcnt; |
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106 | int flags; |
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107 | |
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108 | void refcnt_inc () const { ++refcnt; } |
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109 | void refcnt_dec () const { --refcnt; } |
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110 | |
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111 | // check wether the object has died and destroy |
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112 | void refcnt_chk () { if (refcnt <= 0) do_check (); } |
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113 | |
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114 | // destroy the object unless it was already destroyed |
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115 | // this politely asks everybody interested the reduce |
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116 | // the refcount to 0 as soon as possible. |
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117 | void destroy (); |
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118 | |
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119 | // return wether an object was destroyed already |
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120 | bool destroyed () const { return flags & F_DESTROYED; } |
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121 | |
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122 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
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123 | |
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124 | #if 0 |
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125 | private: |
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126 | static refcounted *rc_first; |
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127 | refcounted *rc_next; |
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128 | #endif |
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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 |
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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); |
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101 | |
135 | |
102 | void attachable_clear () |
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103 | { |
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104 | self = 0; |
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105 | cb = 0; |
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106 | attach = 0; |
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107 | } |
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108 | |
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109 | attachable_base () |
136 | attachable () |
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137 | : flags (0), refcnt (0), self (0), cb (0), attach (0) |
110 | { |
138 | { |
111 | attachable_clear (); |
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112 | } |
139 | } |
113 | |
140 | |
114 | ~attachable_base () |
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115 | { |
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116 | clear (); |
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117 | } |
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118 | |
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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 | |
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146 | virtual ~attachable (); |
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147 | |
124 | attachable_base &operator =(const attachable_base &src) |
148 | attachable &operator =(const attachable &src); |
125 | { |
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126 | clear (); |
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127 | attach = src.attach; |
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128 | return *this; |
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129 | } |
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130 | }; |
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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 |
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134 | // virtual method calls etc. |
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135 | template<class subclass> |
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136 | struct attachable : attachable_base |
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137 | { |
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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)); |
154 | protected: |
142 | } |
155 | // do the real refcount checking work |
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156 | void do_check (); |
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157 | |
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158 | // the method that does the real destroy work |
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159 | virtual void do_destroy (); |
143 | }; |
160 | }; |
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161 | |
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162 | // the global object is a pseudo object that cares for the global events |
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163 | struct global : attachable |
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164 | { |
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165 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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166 | }; |
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167 | |
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168 | extern struct global gbl_ev; |
144 | |
169 | |
145 | struct object_freezer : dynbuf |
170 | struct 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 | |
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154 | template<class subclass> |
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155 | void put (attachable<subclass> *obj) |
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156 | { |
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157 | put ((attachable_base *)obj); |
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158 | } |
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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); |
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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); |
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298 | |
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299 | template<class subclass> |
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300 | void get (attachable<subclass> *obj, int oid) |
316 | void get (attachable *obj, int oid); |
301 | { |
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302 | if (av) |
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303 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
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304 | } |
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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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355 | |
367 | |
356 | private: |
368 | private: |
357 | void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
369 | void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
358 | }; |
370 | }; |
359 | |
371 | |
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372 | struct iw : watcher<pe_idle>, callback<void (iw &)> |
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373 | { |
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374 | template<class O, class M> |
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375 | iw (O object, M method) |
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376 | : callback<void (iw &)> (object, method) |
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377 | { |
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378 | alloc (); |
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379 | } |
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380 | |
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381 | private: |
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382 | void alloc (); |
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383 | }; |
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384 | |
360 | struct iow : watcher<pe_io>, callback<void (iow &, int)> |
385 | struct iow : watcher<pe_io>, callback<void (iow &, int)> |
361 | { |
386 | { |
362 | template<class O, class M> |
387 | template<class O, class M> |
363 | iow (O object, M method) |
388 | iow (O object, M method) |
364 | : callback<void (iow &, int)> (object, method) |
389 | : callback<void (iow &, int)> (object, method) |
365 | { |
390 | { |
366 | alloc (); |
391 | alloc (); |
367 | } |
392 | } |
368 | |
393 | |
369 | iow &fd (int fd); |
394 | void fd (int fd); |
370 | int poll (); |
395 | int poll (); |
371 | iow &poll (int events); |
396 | void poll (int events); |
372 | |
397 | |
373 | private: |
398 | private: |
374 | void alloc (); |
399 | void alloc (); |
375 | }; |
400 | }; |
376 | |
401 | |