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9 | using namespace std; |
9 | using 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> |
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14 | |
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15 | #include <EventAPI.h> |
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16 | #include <CoroAPI.h> |
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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" |
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21 | #include "callback.h" |
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22 | |
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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 |
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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 | |
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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 | |
26 | // perl bug #40256: perl does overwrite those with reentrant versions |
42 | // perl bug #40256: perl does overwrite those with reentrant versions |
27 | // but does not initialise their state structures. |
43 | // but does not initialise their state structures. |
28 | #undef random |
44 | #undef random |
29 | #undef crypt |
45 | #undef crypt |
30 | |
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 | |
31 | void cfperl_init (); |
63 | void cfperl_init (); |
32 | void cfperl_main (); |
64 | void cfperl_main (); |
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65 | void cfperl_emergency_save (); |
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66 | |
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67 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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68 | |
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69 | // virtual server time, excluding time jumps and lag |
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70 | extern double runtime; |
33 | |
71 | |
34 | enum event_klass |
72 | enum event_klass |
35 | { |
73 | { |
36 | KLASS_NONE, |
74 | KLASS_NONE, |
37 | KLASS_GLOBAL, |
75 | KLASS_GLOBAL, |
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76 | KLASS_ATTACHABLE, |
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77 | KLASS_CLIENT, |
38 | KLASS_PLAYER, |
78 | KLASS_PLAYER, |
39 | KLASS_OBJECT, |
79 | KLASS_OBJECT, |
40 | KLASS_MAP, |
80 | KLASS_MAP, |
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81 | KLASS_COMMAND, |
41 | }; |
82 | }; |
42 | |
83 | |
43 | enum event_type |
84 | enum event_type |
44 | { |
85 | { |
45 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
86 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
46 | # include "eventinc.h" |
87 | # include "eventinc.h" |
47 | # undef def |
88 | # undef def |
48 | NUM_EVENT_TYPES |
89 | NUM_EVENT_TYPES |
49 | }; |
90 | }; |
50 | |
91 | |
51 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
92 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
52 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
93 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
53 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
94 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
54 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
95 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
55 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
96 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
56 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
97 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
57 | #define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) |
98 | #define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o)) |
58 | #define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) |
99 | #define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o)) |
59 | #define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) |
100 | #define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o)) |
60 | #define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) |
101 | #define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o)) |
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102 | #define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) |
61 | #define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) |
103 | #define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) |
62 | #define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) |
104 | #define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) |
63 | |
105 | |
64 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
106 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
65 | |
107 | |
66 | // all these return true when the normal event processing should be skipped (if any) |
108 | // all these return true when the normal event processing should be skipped (if any) |
67 | #define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) |
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68 | |
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69 | #define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
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70 | #define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
109 | #define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) |
71 | #define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
110 | #define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) |
72 | #define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
111 | #define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) |
73 | #define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
112 | #define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) |
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113 | #define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) |
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114 | #define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) |
74 | |
115 | |
75 | //TODO should index into @result |
116 | //TODO should index into @result |
76 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
117 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
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118 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
77 | #define RESULT_INT(idx) RESULT(idx, INT) |
119 | #define RESULT_INT(idx) RESULT(idx, INT) |
78 | #define RESULT_MAP(idx) RESULT(idx, MAP) |
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79 | |
120 | |
80 | bool cfperl_invoke (event_type event, ...); |
121 | double cfperl_result_DOUBLE (int idx); |
81 | int cfperl_result_INT (int idx); |
122 | int cfperl_result_INT (int idx); |
82 | int cfperl_result_MAP (int idx); |
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83 | |
123 | |
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124 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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125 | |
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126 | INTERFACE_CLASS (attachable) |
84 | struct attachable_base |
127 | struct attachable |
85 | { |
128 | { |
86 | SV *self; |
129 | static MGVTBL vtbl; |
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130 | |
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131 | static unordered_vector<attachable *> mortals; |
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132 | MTH static void check_mortals (); |
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133 | |
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134 | enum { |
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135 | F_DESTROYED = 0x01, |
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136 | F_BORROWED = 0x02, |
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137 | }; |
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138 | |
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139 | // object is delete'd after the refcount reaches 0 |
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140 | mutable int ACC (RW, refcnt); |
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141 | int ACC (RW, flags); |
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142 | |
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143 | MTH void refcnt_inc () const { ++refcnt; } |
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144 | MTH void refcnt_dec () const { --refcnt; } |
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145 | |
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146 | MTH int refcnt_cnt () const; |
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147 | // check wether the object has died and destroy |
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148 | MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } |
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149 | |
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150 | // destroy the object unless it was already destroyed |
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151 | // this politely asks everybody interested the reduce |
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152 | // the refcount to 0 as soon as possible. |
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153 | MTH void destroy (); |
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154 | |
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155 | // return wether an object was destroyed already |
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156 | MTH bool destroyed () const { return flags & F_DESTROYED; } |
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157 | |
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158 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
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159 | |
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160 | #if 0 |
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161 | private: |
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162 | static refcounted *rc_first; |
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163 | refcounted *rc_next; |
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164 | #endif |
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165 | |
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166 | HV *self; // CF+ perl self |
87 | AV *cb; // CF+ perl self and callback |
167 | AV *cb; // CF+ callbacks |
88 | shstr attach; // generic extension attachment information |
168 | shstr attach; // generic extension attachment information |
89 | |
169 | |
90 | void clear (); // called when free'ing objects |
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91 | void optimise (); // possibly save some memory by destroying unneeded data |
170 | void optimise (); // possibly save some memory by destroying unneeded data |
92 | void instantiate (data_type type, void *obj); |
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93 | |
171 | |
94 | void attachable_clear () |
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95 | { |
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96 | self = 0; |
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97 | cb = 0; |
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98 | attach = 0; |
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99 | } |
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100 | |
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101 | attachable_base () |
172 | attachable () |
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173 | : flags (0), refcnt (0), self (0), cb (0), attach (0) |
102 | { |
174 | { |
103 | attachable_clear (); |
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104 | } |
175 | } |
105 | |
176 | |
106 | ~attachable_base () |
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107 | { |
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108 | clear (); |
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109 | } |
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110 | |
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111 | attachable_base (const attachable_base &src) |
177 | attachable (const attachable &src) |
112 | : self (0), cb (0), attach (src.attach) |
178 | : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) |
113 | { |
179 | { |
114 | } |
180 | } |
115 | |
181 | |
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182 | virtual ~attachable (); |
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183 | |
116 | attachable_base &operator = (const attachable_base &src) |
184 | attachable &operator =(const attachable &src); |
117 | { |
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118 | clear (); |
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119 | attach = src.attach; |
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120 | return *this; |
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121 | } |
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122 | }; |
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123 | |
185 | |
124 | // objects attachable from perl (or any other extension) should include or |
186 | bool invoke (event_type event, ...); |
125 | // derive using the curiously recurring template pattern, to avoid |
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126 | // virtual method calls etc. |
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127 | template<class subclass> |
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128 | struct attachable : attachable_base |
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129 | { |
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130 | void instantiate () |
187 | MTH void instantiate (); |
131 | { |
188 | void reattach (); |
132 | if (attach) |
189 | |
133 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
190 | protected: |
134 | } |
191 | // do the real refcount checking work |
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192 | void do_check (); |
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193 | |
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194 | // the method that does the real destroy work |
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195 | virtual void do_destroy (); |
135 | }; |
196 | }; |
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197 | |
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198 | // the global object is a pseudo object that cares for the global events |
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199 | struct global : attachable |
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200 | { |
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201 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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202 | }; |
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203 | |
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204 | extern struct global gbl_ev; |
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205 | |
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206 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
136 | |
207 | |
137 | struct object_freezer : dynbuf |
208 | struct object_freezer : dynbuf |
138 | { |
209 | { |
139 | AV *av; |
210 | AV *av; |
140 | |
211 | |
141 | object_freezer (); |
212 | object_freezer (); |
142 | ~object_freezer (); |
213 | ~object_freezer (); |
143 | |
214 | |
144 | void put (attachable_base *ext); |
215 | void put (attachable *ext); |
145 | |
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146 | template<class subclass> |
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147 | void put (attachable<subclass> *obj) |
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148 | { |
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149 | put ((attachable_base *)obj); |
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150 | } |
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151 | |
216 | |
152 | // used only for user-defined key-value pairs |
217 | // used only for user-defined key-value pairs |
153 | void put (const shstr &k, const shstr &v) |
218 | void put (const shstr &k, const shstr &v) |
154 | { |
219 | { |
155 | add (k); |
220 | add (k); |
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186 | } |
251 | } |
187 | |
252 | |
188 | *p = '\n'; |
253 | *p = '\n'; |
189 | } |
254 | } |
190 | |
255 | |
191 | void put (keyword k, const char *v) |
256 | void put (keyword k, const char *v = 0) |
192 | { |
257 | { |
193 | put_string (k, v); |
258 | put_string (k, v); |
194 | } |
259 | } |
195 | |
260 | |
196 | void put (keyword k, const shstr &v) |
261 | void put (keyword k, const shstr &v) |
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247 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
312 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
248 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
313 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
249 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
314 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
250 | |
315 | |
251 | template<typename T> |
316 | template<typename T> |
252 | void put (keyword k, T *v) |
317 | void put (keyword k, const T *v) |
253 | { |
318 | { |
254 | if (v) |
319 | if (v) |
255 | put (k, v->name); |
320 | put (k, v->name); |
256 | else |
321 | else |
257 | put (k, (const char *)0); |
322 | put (k, (const char *)0); |
258 | } |
323 | } |
259 | |
324 | |
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325 | template<typename T> |
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326 | void put (keyword k, const refptr<T> &v) |
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327 | { |
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328 | put (k, (T *)v); |
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329 | } |
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330 | |
260 | bool save (const char *filename); |
331 | bool save (const char *path); |
261 | char *as_string (); // like strdup |
332 | char *as_string (); // like strdup |
262 | |
333 | |
263 | operator bool () { return !!av; } |
334 | operator bool () { return !!av; } |
264 | }; |
335 | }; |
265 | |
336 | |
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270 | struct object_thawer |
341 | struct object_thawer |
271 | { |
342 | { |
272 | SV *text; // text part |
343 | SV *text; // text part |
273 | AV *av; // perl part |
344 | AV *av; // perl part |
274 | char *line; // current beginning of line |
345 | char *line; // current beginning of line |
275 | char *last_value; |
346 | char *last_keyword, *last_value; |
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347 | const char *name; |
276 | |
348 | |
277 | operator bool () { return !!text; } |
349 | operator bool () { return !!text; } |
278 | |
350 | |
279 | object_thawer (const char *filename = 0); |
351 | object_thawer (const char *path = 0); |
280 | object_thawer (const char *data, AV *perlav); |
352 | object_thawer (const char *data, AV *perlav); |
281 | ~object_thawer (); |
353 | ~object_thawer (); |
282 | |
354 | |
283 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
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284 | |
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285 | template<class subclass> |
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286 | void get (attachable<subclass> *obj, int oid) |
355 | void get (attachable *obj, int oid); |
287 | { |
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288 | if (av) |
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289 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
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290 | } |
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291 | |
356 | |
292 | keyword get_kv (); // also parse value for later use |
357 | keyword get_kv (); // also parse value for later use |
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358 | void skip_kv (keyword kw); |
293 | |
359 | |
294 | const char *get_str () { return last_value; } // may be 0 |
360 | const char *get_str () { return last_value; } // may be 0 |
295 | |
361 | |
296 | void get (shstr &sh) const; |
362 | void get (shstr &sh) const; |
297 | void get_ornull (shstr &sh) const { sh = last_value; } |
363 | void get_ornull (shstr &sh) const { sh = last_value; } |
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299 | |
365 | |
300 | sint32 get_sint32 () const; |
366 | sint32 get_sint32 () const; |
301 | sint64 get_sint64 () const; |
367 | sint64 get_sint64 () const; |
302 | double get_double () const; |
368 | double get_double () const; |
303 | |
369 | |
304 | void get (float &v) { v = get_double (); } |
370 | void get (float &v) { v = get_double (); } |
305 | void get (double &v) { v = get_double (); } |
371 | void get (double &v) { v = get_double (); } |
306 | |
372 | |
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373 | void get (bool &i) { i = get_sint32 (); } |
307 | void get (sint8 &i) { i = get_sint32 (); } |
374 | void get (sint8 &i) { i = get_sint32 (); } |
308 | void get (uint8 &i) { i = get_sint32 (); } |
375 | void get (uint8 &i) { i = get_sint32 (); } |
309 | void get (sint16 &i) { i = get_sint32 (); } |
376 | void get (sint16 &i) { i = get_sint32 (); } |
310 | void get (uint16 &i) { i = get_sint32 (); } |
377 | void get (uint16 &i) { i = get_sint32 (); } |
311 | void get (sint32 &i) { i = get_sint32 (); } |
378 | void get (sint32 &i) { i = get_sint32 (); } |
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314 | void get (sint64 &i) { i = get_sint64 (); } |
381 | void get (sint64 &i) { i = get_sint64 (); } |
315 | }; |
382 | }; |
316 | |
383 | |
317 | char *fgets (char *s, int n, object_thawer &thawer); |
384 | char *fgets (char *s, int n, object_thawer &thawer); |
318 | |
385 | |
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386 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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387 | |
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388 | struct coroapi { |
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389 | static struct CoroAPI *GCoroAPI; |
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390 | |
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391 | static int nready () { return CORO_NREADY; } |
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392 | static int cede () { return CORO_CEDE ; } |
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393 | |
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394 | static int cede_counter; |
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395 | |
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396 | static void cede_every (int count) |
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397 | { |
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398 | if (++cede_counter >= count) |
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399 | { |
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400 | cede_counter = 0; |
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401 | |
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402 | if (coroapi::nready ()) |
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403 | coroapi::cede (); |
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404 | } |
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405 | } |
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406 | }; |
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407 | |
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408 | struct watcher_base |
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409 | { |
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410 | static struct EventAPI *GEventAPI; |
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411 | }; |
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412 | |
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413 | template<class base> |
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414 | struct watcher : watcher_base |
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415 | { |
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416 | base *pe; |
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417 | |
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418 | void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); } |
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419 | void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); } |
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420 | void now () { GEventAPI->now ((pe_watcher *)pe); } |
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421 | void suspend () { GEventAPI->suspend ((pe_watcher *)pe); } |
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422 | void resume () { GEventAPI->resume ((pe_watcher *)pe); } |
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423 | |
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424 | void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; } |
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425 | |
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426 | ~watcher () |
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427 | { |
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428 | cancel (); |
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429 | } |
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430 | |
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431 | private: |
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432 | void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
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433 | }; |
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434 | |
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435 | struct iw : watcher<pe_idle>, callback<void (iw &)> |
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436 | { |
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437 | template<class O, class M> |
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438 | iw (O object, M method) |
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439 | : callback<void (iw &)> (object, method) |
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440 | { |
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441 | alloc (); |
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442 | } |
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443 | |
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444 | private: |
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445 | void alloc (); |
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446 | }; |
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447 | |
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448 | struct iow : watcher<pe_io>, callback<void (iow &, int)> |
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449 | { |
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450 | template<class O, class M> |
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451 | iow (O object, M method) |
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452 | : callback<void (iow &, int)> (object, method) |
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453 | { |
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454 | alloc (); |
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455 | } |
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456 | |
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457 | void fd (int fd); |
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458 | int poll (); |
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459 | void poll (int events); |
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460 | |
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461 | private: |
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462 | void alloc (); |
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463 | }; |
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464 | |
319 | #endif |
465 | #endif |
320 | |
466 | |