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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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28 | #undef strerror |
34 | #undef strerror |
29 | |
35 | |
30 | // same here, massive symbol spamming |
36 | // same here, massive symbol spamming |
31 | #undef do_open |
37 | #undef do_open |
32 | #undef do_close |
38 | #undef do_close |
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39 | #undef ref |
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40 | #undef seed |
33 | |
41 | |
34 | // perl bug #40256: perl does overwrite those with reentrant versions |
42 | // perl bug #40256: perl does overwrite those with reentrant versions |
35 | // but does not initialise their state structures. |
43 | // but does not initialise their state structures. |
36 | #undef random |
44 | #undef random |
37 | #undef crypt |
45 | #undef crypt |
38 | |
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 | |
39 | void cfperl_init (); |
63 | void cfperl_init (); |
40 | void cfperl_main (); |
64 | void cfperl_main (); |
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65 | void cfperl_emergency_save (); |
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66 | void cfperl_cleanup (int make_core); |
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67 | |
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68 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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69 | |
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70 | // virtual server time, excluding time jumps and lag |
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71 | extern double runtime; |
41 | |
72 | |
42 | enum event_klass |
73 | enum event_klass |
43 | { |
74 | { |
44 | KLASS_NONE, |
75 | KLASS_NONE, |
45 | KLASS_GLOBAL, |
76 | KLASS_GLOBAL, |
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77 | KLASS_ATTACHABLE, |
46 | KLASS_CLIENT, |
78 | KLASS_CLIENT, |
47 | KLASS_PLAYER, |
79 | KLASS_PLAYER, |
48 | KLASS_OBJECT, |
80 | KLASS_OBJECT, |
49 | KLASS_MAP, |
81 | KLASS_MAP, |
50 | KLASS_COMMAND, |
82 | KLASS_COMMAND, |
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56 | # include "eventinc.h" |
88 | # include "eventinc.h" |
57 | # undef def |
89 | # undef def |
58 | NUM_EVENT_TYPES |
90 | NUM_EVENT_TYPES |
59 | }; |
91 | }; |
60 | |
92 | |
61 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
93 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
62 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
94 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
63 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
95 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
64 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
96 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
65 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
97 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
66 | #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) |
67 | #define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) |
99 | #define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o)) |
68 | #define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) |
100 | #define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o)) |
69 | #define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) |
101 | #define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o)) |
70 | #define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) |
102 | #define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o)) |
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103 | #define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) |
71 | #define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) |
104 | #define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) |
72 | #define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) |
105 | #define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) |
73 | #define ARG_CLIENT(o) DT_CLIENT, (void *)static_cast<client *> (o) |
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74 | |
106 | |
75 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
107 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
76 | |
108 | |
77 | // 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) |
78 | #define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) |
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79 | |
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80 | #define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
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81 | #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) |
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111 | #define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) |
82 | #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) |
83 | #define INVOKE_CLIENT(event, ns, ...) INVOKE_(EVENT_ ## CLIENT ## _ ## event, ARG_CLIENT (ns), ## __VA_ARGS__) |
113 | #define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) |
84 | #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) |
85 | #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) |
86 | |
116 | |
87 | //TODO should index into @result |
117 | //TODO should index into @result |
88 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
118 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
89 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
119 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
90 | #define RESULT_INT(idx) RESULT(idx, INT) |
120 | #define RESULT_INT(idx) RESULT(idx, INT) |
91 | |
121 | |
92 | bool cfperl_invoke (event_type event, ...); |
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93 | double cfperl_result_DOUBLE (int idx); |
122 | double cfperl_result_DOUBLE (int idx); |
94 | int cfperl_result_INT (int idx); |
123 | int cfperl_result_INT (int idx); |
95 | |
124 | |
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125 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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126 | |
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127 | INTERFACE_CLASS (attachable) |
96 | struct attachable_base |
128 | struct attachable |
97 | { |
129 | { |
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130 | static MGVTBL vtbl; |
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131 | |
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132 | static unordered_vector<attachable *> mortals; |
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133 | MTH static void check_mortals (); |
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134 | |
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135 | enum { |
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136 | F_DESTROYED = 0x01, |
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137 | F_DEBUG_TRACE = 0x02, |
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138 | }; |
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139 | |
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140 | // object is delete'd after the refcount reaches 0 |
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141 | mutable int ACC (RW, refcnt); |
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142 | int ACC (RW, flags); |
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143 | |
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144 | MTH void refcnt_inc () const { ++refcnt; } |
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145 | MTH void refcnt_dec () const { --refcnt; } |
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146 | |
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147 | MTH int refcnt_cnt () const; |
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148 | // check wether the object has died and destroy |
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149 | MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } |
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150 | |
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151 | // destroy the object unless it was already destroyed |
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152 | // this politely asks everybody interested the reduce |
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153 | // the refcount to 0 as soon as possible. |
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154 | MTH void destroy (); |
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155 | |
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156 | // return wether an object was destroyed already |
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157 | MTH bool destroyed () const { return flags & F_DESTROYED; } |
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158 | |
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159 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
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160 | |
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161 | #if 0 |
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162 | private: |
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163 | static refcounted *rc_first; |
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164 | refcounted *rc_next; |
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165 | #endif |
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166 | |
98 | SV *self; // CF+ perl self |
167 | HV *self; // CF+ perl self |
99 | AV *cb; // CF+ callbacks |
168 | AV *cb; // CF+ callbacks |
100 | shstr attach; // generic extension attachment information |
169 | shstr attach; // generic extension attachment information |
101 | |
170 | |
102 | void clear (); // called when free'ing objects |
171 | void sever_self (); // sever this object from its self, if it has one. |
103 | void optimise (); // possibly save some memory by destroying unneeded data |
172 | void optimise (); // possibly save some memory by destroying unneeded data |
104 | void instantiate (data_type type, void *obj); |
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105 | |
173 | |
106 | void attachable_clear () |
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107 | { |
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108 | self = 0; |
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109 | cb = 0; |
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110 | attach = 0; |
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111 | } |
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112 | |
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113 | attachable_base () |
174 | attachable () |
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175 | : flags (0), refcnt (0), self (0), cb (0), attach (0) |
114 | { |
176 | { |
115 | attachable_clear (); |
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116 | } |
177 | } |
117 | |
178 | |
118 | ~attachable_base () |
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119 | { |
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120 | clear (); |
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121 | } |
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122 | |
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123 | attachable_base (const attachable_base &src) |
179 | attachable (const attachable &src) |
124 | : self (0), cb (0), attach (src.attach) |
180 | : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) |
125 | { |
181 | { |
126 | } |
182 | } |
127 | |
183 | |
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184 | virtual ~attachable (); |
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185 | |
128 | attachable_base &operator =(const attachable_base &src) |
186 | attachable &operator =(const attachable &src); |
129 | { |
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130 | clear (); |
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131 | attach = src.attach; |
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132 | return *this; |
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133 | } |
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134 | }; |
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135 | |
187 | |
136 | // objects attachable from perl (or any other extension) should include or |
188 | bool invoke (event_type event, ...); |
137 | // derive using the curiously recurring template pattern, to avoid |
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138 | // virtual method calls etc. |
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139 | template<class subclass> |
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140 | struct attachable : attachable_base |
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141 | { |
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142 | void instantiate () |
189 | MTH void instantiate (); |
143 | { |
190 | void reattach (); |
144 | if (attach) |
191 | |
145 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
192 | protected: |
146 | } |
193 | // do the real refcount checking work |
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194 | void do_check (); |
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195 | |
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196 | // the method that does the real destroy work |
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197 | virtual void do_destroy (); |
147 | }; |
198 | }; |
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199 | |
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200 | // the global object is a pseudo object that cares for the global events |
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201 | struct global : attachable |
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202 | { |
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203 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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204 | }; |
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205 | |
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206 | extern struct global gbl_ev; |
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207 | |
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208 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
148 | |
209 | |
149 | struct object_freezer : dynbuf |
210 | struct object_freezer : dynbuf |
150 | { |
211 | { |
151 | AV *av; |
212 | AV *av; |
152 | |
213 | |
153 | object_freezer (); |
214 | object_freezer (); |
154 | ~object_freezer (); |
215 | ~object_freezer (); |
155 | |
216 | |
156 | void put (attachable_base *ext); |
217 | void put (attachable *ext); |
157 | |
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158 | template<class subclass> |
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159 | void put (attachable<subclass> *obj) |
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160 | { |
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161 | put ((attachable_base *)obj); |
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162 | } |
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163 | |
218 | |
164 | // used only for user-defined key-value pairs |
219 | // used only for user-defined key-value pairs |
165 | void put (const shstr &k, const shstr &v) |
220 | void put (const shstr &k, const shstr &v) |
166 | { |
221 | { |
167 | add (k); |
222 | add (k); |
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198 | } |
253 | } |
199 | |
254 | |
200 | *p = '\n'; |
255 | *p = '\n'; |
201 | } |
256 | } |
202 | |
257 | |
203 | void put (keyword k, const char *v) |
258 | void put (keyword k, const char *v = 0) |
204 | { |
259 | { |
205 | put_string (k, v); |
260 | put_string (k, v); |
206 | } |
261 | } |
207 | |
262 | |
208 | void put (keyword k, const shstr &v) |
263 | void put (keyword k, const shstr &v) |
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273 | void put (keyword k, const refptr<T> &v) |
328 | void put (keyword k, const refptr<T> &v) |
274 | { |
329 | { |
275 | put (k, (T *)v); |
330 | put (k, (T *)v); |
276 | } |
331 | } |
277 | |
332 | |
278 | bool save (const char *filename); |
333 | bool save (const char *path); |
279 | char *as_string (); // like strdup |
334 | char *as_string (); // like strdup |
280 | |
335 | |
281 | operator bool () { return !!av; } |
336 | operator bool () { return !!av; } |
282 | }; |
337 | }; |
283 | |
338 | |
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287 | |
342 | |
288 | struct object_thawer |
343 | struct object_thawer |
289 | { |
344 | { |
290 | SV *text; // text part |
345 | SV *text; // text part |
291 | AV *av; // perl part |
346 | AV *av; // perl part |
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347 | int linenum; |
292 | char *line; // current beginning of line |
348 | char *line; // current beginning of line |
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349 | keyword kw; |
293 | char *last_value; |
350 | char *kw_str, *value; |
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351 | const char *name; |
294 | |
352 | |
295 | operator bool () { return !!text; } |
353 | operator bool () { return !!text; } |
296 | |
354 | |
297 | object_thawer (const char *filename = 0); |
355 | object_thawer (const char *path = 0); |
298 | object_thawer (const char *data, AV *perlav); |
356 | object_thawer (const char *data, AV *perlav); |
299 | ~object_thawer (); |
357 | ~object_thawer (); |
300 | |
358 | |
301 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
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302 | |
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303 | template<class subclass> |
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304 | void get (attachable<subclass> *obj, int oid) |
359 | void get (attachable *obj, int oid); |
305 | { |
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306 | if (av) |
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307 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
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308 | } |
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309 | |
360 | |
310 | keyword get_kv (); // also parse value for later use |
361 | // parse next line |
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362 | void next_kv (); |
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363 | //TODO: remove |
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364 | keyword get_kv () |
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365 | { |
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366 | next_kv (); |
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367 | return kw; |
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368 | } |
311 | |
369 | |
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370 | // skip the current key-value (usually fetch next line, for |
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371 | // multiline-fields, skips untilt he corresponding end-kw |
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372 | void skip_kv (); |
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373 | |
312 | const char *get_str () { return last_value; } // may be 0 |
374 | const char *get_str () { return value; } // may be 0 |
313 | |
375 | |
314 | void get (shstr &sh) const; |
376 | void get (shstr &sh) const; |
315 | void get_ornull (shstr &sh) const { sh = last_value; } |
377 | void get_ornull (shstr &sh) const { sh = value; } |
316 | void get_ml (keyword kend, shstr &sh); |
378 | void get_ml (keyword kend, shstr &sh); |
317 | |
379 | |
318 | sint32 get_sint32 () const; |
380 | sint32 get_sint32 () const; |
319 | sint64 get_sint64 () const; |
381 | sint64 get_sint64 () const; |
320 | double get_double () const; |
382 | double get_double () const; |
321 | |
383 | |
322 | void get (float &v) { v = get_double (); } |
384 | void get (float &v) { v = get_double (); } |
323 | void get (double &v) { v = get_double (); } |
385 | void get (double &v) { v = get_double (); } |
324 | |
386 | |
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387 | void get (bool &i) { i = get_sint32 (); } |
325 | void get (sint8 &i) { i = get_sint32 (); } |
388 | void get (sint8 &i) { i = get_sint32 (); } |
326 | void get (uint8 &i) { i = get_sint32 (); } |
389 | void get (uint8 &i) { i = get_sint32 (); } |
327 | void get (sint16 &i) { i = get_sint32 (); } |
390 | void get (sint16 &i) { i = get_sint32 (); } |
328 | void get (uint16 &i) { i = get_sint32 (); } |
391 | void get (uint16 &i) { i = get_sint32 (); } |
329 | void get (sint32 &i) { i = get_sint32 (); } |
392 | void get (sint32 &i) { i = get_sint32 (); } |
330 | |
393 | |
331 | void get (uint32 &i) { i = get_sint64 (); } |
394 | void get (uint32 &i) { i = get_sint64 (); } |
332 | void get (sint64 &i) { i = get_sint64 (); } |
395 | void get (sint64 &i) { i = get_sint64 (); } |
333 | }; |
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334 | |
396 | |
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397 | bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); |
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398 | }; |
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399 | |
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400 | //TODO: remove |
335 | char *fgets (char *s, int n, object_thawer &thawer); |
401 | char *fgets (char *s, int n, object_thawer &thawer); |
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402 | |
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403 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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404 | |
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405 | struct coroapi { |
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406 | static struct CoroAPI *GCoroAPI; |
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407 | |
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408 | static int nready () { return CORO_NREADY; } |
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409 | static int cede () { return CORO_CEDE ; } |
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410 | |
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411 | static int cede_counter; |
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412 | |
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413 | static void cede_every (int count) |
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414 | { |
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415 | if (++cede_counter >= count) |
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416 | { |
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417 | cede_counter = 0; |
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418 | |
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419 | if (coroapi::nready ()) |
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420 | coroapi::cede (); |
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421 | } |
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422 | } |
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423 | }; |
336 | |
424 | |
337 | struct watcher_base |
425 | struct watcher_base |
338 | { |
426 | { |
339 | static struct EventAPI *GEventAPI; |
427 | static struct EventAPI *GEventAPI; |
340 | }; |
428 | }; |