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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 | |
14 | |
15 | #include <EventAPI.h> |
15 | #include <EventAPI.h> |
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16 | #include <CoroAPI.h> |
16 | |
17 | |
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18 | #include "util.h" |
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19 | #include "keyword.h" |
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20 | #include "dynbuf.h" |
17 | #include "callback.h" |
21 | #include "callback.h" |
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22 | |
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23 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
18 | |
24 | |
19 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
25 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
20 | #undef localtime |
26 | #undef localtime |
21 | #undef srand48 |
27 | #undef srand48 |
22 | #undef drand48 |
28 | #undef drand48 |
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25 | #undef getprotobyname |
31 | #undef getprotobyname |
26 | #undef gethostbyname |
32 | #undef gethostbyname |
27 | #undef ctime |
33 | #undef ctime |
28 | #undef strerror |
34 | #undef strerror |
29 | |
35 | |
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36 | // same here, massive symbol spamming |
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37 | #undef do_open |
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38 | #undef do_close |
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39 | #undef ref |
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40 | #undef seed |
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41 | |
30 | // perl bug #40256: perl does overwrite those with reentrant versions |
42 | // perl bug #40256: perl does overwrite those with reentrant versions |
31 | // but does not initialise their state structures. |
43 | // but does not initialise their state structures. |
32 | #undef random |
44 | #undef random |
33 | #undef crypt |
45 | #undef crypt |
34 | |
46 | |
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47 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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48 | |
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49 | // some macros to simplify perl in-calls |
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50 | |
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51 | #define CHECK_ERROR \ |
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52 | if (SvTRUE (ERRSV)) \ |
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53 | LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); |
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54 | |
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55 | #define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) |
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56 | #define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc |
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57 | #define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) |
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58 | #define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; |
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59 | #define CALL_END CHECK_ERROR; FREETMPS; LEAVE |
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60 | |
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61 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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62 | |
35 | void cfperl_init (); |
63 | void cfperl_init (); |
36 | void cfperl_main (); |
64 | void cfperl_main (); |
37 | |
65 | |
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66 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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67 | |
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68 | // virtual server time, excluding time jumps and lag |
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69 | extern double runtime; |
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70 | |
38 | enum event_klass |
71 | enum event_klass |
39 | { |
72 | { |
40 | KLASS_NONE, |
73 | KLASS_NONE, |
41 | KLASS_GLOBAL, |
74 | KLASS_GLOBAL, |
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75 | KLASS_ATTACHABLE, |
42 | KLASS_SOCKET, |
76 | KLASS_CLIENT, |
43 | KLASS_PLAYER, |
77 | KLASS_PLAYER, |
44 | KLASS_OBJECT, |
78 | KLASS_OBJECT, |
45 | KLASS_MAP, |
79 | KLASS_MAP, |
46 | KLASS_COMMAND, |
80 | KLASS_COMMAND, |
47 | }; |
81 | }; |
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52 | # include "eventinc.h" |
86 | # include "eventinc.h" |
53 | # undef def |
87 | # undef def |
54 | NUM_EVENT_TYPES |
88 | NUM_EVENT_TYPES |
55 | }; |
89 | }; |
56 | |
90 | |
57 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
91 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
58 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
92 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
59 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
93 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
60 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
94 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
61 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
95 | #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) |
96 | #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) |
97 | #define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o)) |
64 | #define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) |
98 | #define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o)) |
65 | #define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) |
99 | #define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o)) |
66 | #define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) |
100 | #define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o)) |
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101 | #define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) |
67 | #define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) |
102 | #define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) |
68 | #define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) |
103 | #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 | |
104 | |
71 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
105 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
72 | |
106 | |
73 | // all these return true when the normal event processing should be skipped (if any) |
107 | // 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__) |
108 | #define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) |
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109 | #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__) |
110 | #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__) |
111 | #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__) |
112 | #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__) |
113 | #define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) |
82 | |
114 | |
83 | //TODO should index into @result |
115 | //TODO should index into @result |
84 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
116 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
85 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
117 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
86 | #define RESULT_INT(idx) RESULT(idx, INT) |
118 | #define RESULT_INT(idx) RESULT(idx, INT) |
87 | |
119 | |
88 | bool cfperl_invoke (event_type event, ...); |
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89 | double cfperl_result_DOUBLE (int idx); |
120 | double cfperl_result_DOUBLE (int idx); |
90 | int cfperl_result_INT (int idx); |
121 | int cfperl_result_INT (int idx); |
91 | |
122 | |
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123 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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124 | |
92 | struct attachable_base |
125 | struct attachable |
93 | { |
126 | { |
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127 | static MGVTBL vtbl; |
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128 | |
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129 | static unordered_vector<attachable *> mortals; |
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130 | static void check_mortals (); |
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131 | |
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132 | enum { |
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133 | F_DESTROYED = 0x01, |
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134 | F_BORROWED = 0x02, |
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135 | }; |
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136 | |
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137 | // object is delete'd after the refcount reaches 0 |
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138 | mutable int refcnt; |
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139 | int flags; |
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140 | |
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141 | void refcnt_inc () const { ++refcnt; } |
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142 | void refcnt_dec () const { --refcnt; } |
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143 | |
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144 | // check wether the object has died and destroy |
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145 | void refcnt_chk () { if (refcnt <= 0) do_check (); } |
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146 | |
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147 | // destroy the object unless it was already destroyed |
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148 | // this politely asks everybody interested the reduce |
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149 | // the refcount to 0 as soon as possible. |
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150 | void destroy (); |
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151 | |
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152 | // return wether an object was destroyed already |
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153 | bool destroyed () const { return flags & F_DESTROYED; } |
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154 | |
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155 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
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156 | |
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157 | #if 0 |
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158 | private: |
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159 | static refcounted *rc_first; |
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160 | refcounted *rc_next; |
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161 | #endif |
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162 | |
94 | SV *self; // CF+ perl self |
163 | HV *self; // CF+ perl self |
95 | AV *cb; // CF+ callbacks |
164 | AV *cb; // CF+ callbacks |
96 | shstr attach; // generic extension attachment information |
165 | shstr attach; // generic extension attachment information |
97 | |
166 | |
98 | void clear (); // called when free'ing objects |
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99 | void optimise (); // possibly save some memory by destroying unneeded data |
167 | void optimise (); // possibly save some memory by destroying unneeded data |
100 | void instantiate (data_type type, void *obj); |
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101 | |
168 | |
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 () |
169 | attachable () |
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170 | : flags (0), refcnt (0), self (0), cb (0), attach (0) |
110 | { |
171 | { |
111 | attachable_clear (); |
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112 | } |
172 | } |
113 | |
173 | |
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) |
174 | attachable (const attachable &src) |
120 | : self (0), cb (0), attach (src.attach) |
175 | : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) |
121 | { |
176 | { |
122 | } |
177 | } |
123 | |
178 | |
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179 | virtual ~attachable (); |
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180 | |
124 | attachable_base &operator =(const attachable_base &src) |
181 | 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 | |
182 | |
132 | // objects attachable from perl (or any other extension) should include or |
183 | 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 () |
184 | void instantiate (); |
139 | { |
185 | void reattach (); |
140 | if (attach) |
186 | |
141 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
187 | protected: |
142 | } |
188 | // do the real refcount checking work |
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189 | void do_check (); |
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190 | |
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191 | // the method that does the real destroy work |
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192 | virtual void do_destroy (); |
143 | }; |
193 | }; |
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194 | |
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195 | // the global object is a pseudo object that cares for the global events |
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196 | struct global : attachable |
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197 | { |
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198 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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199 | }; |
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200 | |
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201 | extern struct global gbl_ev; |
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202 | |
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203 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
144 | |
204 | |
145 | struct object_freezer : dynbuf |
205 | struct object_freezer : dynbuf |
146 | { |
206 | { |
147 | AV *av; |
207 | AV *av; |
148 | |
208 | |
149 | object_freezer (); |
209 | object_freezer (); |
150 | ~object_freezer (); |
210 | ~object_freezer (); |
151 | |
211 | |
152 | void put (attachable_base *ext); |
212 | 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 | |
213 | |
160 | // used only for user-defined key-value pairs |
214 | // used only for user-defined key-value pairs |
161 | void put (const shstr &k, const shstr &v) |
215 | void put (const shstr &k, const shstr &v) |
162 | { |
216 | { |
163 | add (k); |
217 | add (k); |
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284 | struct object_thawer |
338 | struct object_thawer |
285 | { |
339 | { |
286 | SV *text; // text part |
340 | SV *text; // text part |
287 | AV *av; // perl part |
341 | AV *av; // perl part |
288 | char *line; // current beginning of line |
342 | char *line; // current beginning of line |
289 | char *last_value; |
343 | char *last_keyword, *last_value; |
290 | |
344 | |
291 | operator bool () { return !!text; } |
345 | operator bool () { return !!text; } |
292 | |
346 | |
293 | object_thawer (const char *filename = 0); |
347 | object_thawer (const char *filename = 0); |
294 | object_thawer (const char *data, AV *perlav); |
348 | object_thawer (const char *data, AV *perlav); |
295 | ~object_thawer (); |
349 | ~object_thawer (); |
296 | |
350 | |
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) |
351 | 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 | |
352 | |
306 | keyword get_kv (); // also parse value for later use |
353 | keyword get_kv (); // also parse value for later use |
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354 | void skip_kv (keyword kw); |
307 | |
355 | |
308 | const char *get_str () { return last_value; } // may be 0 |
356 | const char *get_str () { return last_value; } // may be 0 |
309 | |
357 | |
310 | void get (shstr &sh) const; |
358 | void get (shstr &sh) const; |
311 | void get_ornull (shstr &sh) const { sh = last_value; } |
359 | void get_ornull (shstr &sh) const { sh = last_value; } |
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313 | |
361 | |
314 | sint32 get_sint32 () const; |
362 | sint32 get_sint32 () const; |
315 | sint64 get_sint64 () const; |
363 | sint64 get_sint64 () const; |
316 | double get_double () const; |
364 | double get_double () const; |
317 | |
365 | |
318 | void get (float &v) { v = get_double (); } |
366 | void get (float &v) { v = get_double (); } |
319 | void get (double &v) { v = get_double (); } |
367 | void get (double &v) { v = get_double (); } |
320 | |
368 | |
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369 | void get (bool &i) { i = get_sint32 (); } |
321 | void get (sint8 &i) { i = get_sint32 (); } |
370 | void get (sint8 &i) { i = get_sint32 (); } |
322 | void get (uint8 &i) { i = get_sint32 (); } |
371 | void get (uint8 &i) { i = get_sint32 (); } |
323 | void get (sint16 &i) { i = get_sint32 (); } |
372 | void get (sint16 &i) { i = get_sint32 (); } |
324 | void get (uint16 &i) { i = get_sint32 (); } |
373 | void get (uint16 &i) { i = get_sint32 (); } |
325 | void get (sint32 &i) { i = get_sint32 (); } |
374 | void get (sint32 &i) { i = get_sint32 (); } |
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328 | void get (sint64 &i) { i = get_sint64 (); } |
377 | void get (sint64 &i) { i = get_sint64 (); } |
329 | }; |
378 | }; |
330 | |
379 | |
331 | char *fgets (char *s, int n, object_thawer &thawer); |
380 | char *fgets (char *s, int n, object_thawer &thawer); |
332 | |
381 | |
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382 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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383 | |
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384 | struct coroapi { |
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385 | static struct CoroAPI *GCoroAPI; |
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386 | |
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387 | static int nready () { return CORO_NREADY; } |
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388 | static int cede () { return CORO_CEDE ; } |
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389 | }; |
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390 | |
333 | struct watcher_base |
391 | struct watcher_base |
334 | { |
392 | { |
335 | static struct EventAPI *GEventAPI; |
393 | static struct EventAPI *GEventAPI; |
336 | }; |
394 | }; |
337 | |
395 | |
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355 | |
413 | |
356 | private: |
414 | private: |
357 | void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
415 | void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
358 | }; |
416 | }; |
359 | |
417 | |
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418 | struct iw : watcher<pe_idle>, callback<void (iw &)> |
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419 | { |
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420 | template<class O, class M> |
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421 | iw (O object, M method) |
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422 | : callback<void (iw &)> (object, method) |
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423 | { |
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424 | alloc (); |
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425 | } |
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426 | |
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427 | private: |
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428 | void alloc (); |
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429 | }; |
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430 | |
360 | struct iow : watcher<pe_io>, callback<void (iow &, int)> |
431 | struct iow : watcher<pe_io>, callback<void (iow &, int)> |
361 | { |
432 | { |
362 | template<class O, class M> |
433 | template<class O, class M> |
363 | iow (O object, M method) |
434 | iow (O object, M method) |
364 | : callback<void (iow &, int)> (object, method) |
435 | : callback<void (iow &, int)> (object, method) |
365 | { |
436 | { |
366 | alloc (); |
437 | alloc (); |
367 | } |
438 | } |
368 | |
439 | |
369 | iow &fd (int fd); |
440 | void fd (int fd); |
370 | int poll (); |
441 | int poll (); |
371 | iow &poll (int events); |
442 | void poll (int events); |
372 | |
443 | |
373 | private: |
444 | private: |
374 | void alloc (); |
445 | void alloc (); |
375 | }; |
446 | }; |
376 | |
447 | |