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1 | /* |
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2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
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3 | * |
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4 | * Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team |
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5 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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6 | * |
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7 | * Deliantra is free software: you can redistribute it and/or modify it under |
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8 | * the terms of the Affero GNU General Public License as published by the |
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9 | * Free Software Foundation, either version 3 of the License, or (at your |
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10 | * option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the Affero GNU General Public License |
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18 | * and the GNU General Public License along with this program. If not, see |
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19 | * <http://www.gnu.org/licenses/>. |
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20 | * |
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21 | * The authors can be reached via e-mail to <support@deliantra.net> |
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22 | */ |
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23 | |
1 | // |
24 | // |
2 | // cfperl.h perl interface |
25 | // cfperl.h perl interface |
3 | // |
26 | // |
4 | #ifndef CFPERL_H__ |
27 | #ifndef CFPERL_H__ |
5 | #define CFPERL_H__ |
28 | #define CFPERL_H__ |
6 | |
29 | |
7 | #include <cstdio> |
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8 | |
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9 | using namespace std; |
30 | using namespace std; |
10 | |
31 | |
11 | #include <EXTERN.h> |
32 | #include <EXTERN.h> |
12 | #include <perl.h> |
33 | #include <perl.h> |
13 | #include <XSUB.h> |
34 | #include <XSUB.h> |
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35 | |
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36 | #include <EVAPI.h> |
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37 | #include <CoroAPI.h> |
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38 | |
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39 | #include "util.h" |
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40 | #include "keyword.h" |
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41 | #include "dynbuf.h" |
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42 | #include "callback.h" |
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43 | |
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44 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
14 | |
45 | |
15 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
46 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
16 | #undef localtime |
47 | #undef localtime |
17 | #undef srand48 |
48 | #undef srand48 |
18 | #undef drand48 |
49 | #undef drand48 |
19 | #undef srandom |
50 | #undef srandom |
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51 | #undef opendir |
20 | #undef readdir |
52 | #undef readdir |
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53 | #undef closedir |
21 | #undef getprotobyname |
54 | #undef getprotobyname |
22 | #undef gethostbyname |
55 | #undef gethostbyname |
23 | #undef ctime |
56 | #undef ctime |
24 | #undef strerror |
57 | #undef strerror |
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58 | #undef _ |
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59 | |
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60 | // same here, massive symbol spamming |
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61 | #undef do_open |
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62 | #undef do_close |
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63 | #undef ref |
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64 | #undef seed |
25 | |
65 | |
26 | // perl bug #40256: perl does overwrite those with reentrant versions |
66 | // perl bug #40256: perl does overwrite those with reentrant versions |
27 | // but does not initialise their state structures. |
67 | // but does not initialise their state structures. |
28 | #undef random |
68 | #undef random |
29 | #undef crypt |
69 | #undef crypt |
30 | |
70 | |
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71 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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72 | |
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73 | #define _(msg) (msg) |
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74 | #define N_(msg) (msg) |
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75 | |
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76 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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77 | |
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78 | // some macros to simplify perl in-calls |
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79 | |
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80 | #define CHECK_ERROR \ |
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81 | if (SvTRUE (ERRSV)) \ |
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82 | LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV)); |
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83 | |
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84 | inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); } |
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85 | inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); } |
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86 | |
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87 | // TODO: temporarily enabled pushstack/popstack for all calls from the core, to maybe fix object memleak? |
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88 | #define CALL_PUSH PUSHSTACKi (PERLSI_UNKNOWN) |
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89 | #define CALL_POP PUTBACK; POPSTACK; SPAGAIN |
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90 | #define CALL_BEGIN(args) dSP; CALL_PUSH; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) |
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91 | #define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc |
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92 | #define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) |
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93 | #define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN; |
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94 | #define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP |
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95 | |
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96 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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97 | |
31 | void cfperl_init (); |
98 | void cfperl_init (); |
32 | void cfperl_main (); |
99 | void cfperl_main (); |
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100 | void cfperl_tick (); |
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101 | void cfperl_emergency_save (); |
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102 | void cfperl_cleanup (int make_core); |
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103 | void cfperl_make_book (object *book, int level); |
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104 | void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg); |
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105 | int cfperl_can_merge (object *ob1, object *ob2); |
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106 | void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0); |
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107 | void cfperl_ix (client *ns, int set, faceidx idx, int pri); |
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108 | |
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109 | bool is_match_expr (const_utf8_string expr); |
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110 | // applies the match expression and returns true if it matches |
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111 | bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0); |
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112 | // same as above, but returns the first object found, or 0 |
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113 | object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0); |
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114 | |
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115 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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116 | |
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117 | #if IVSIZE >= 8 |
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118 | typedef IV val64; |
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119 | typedef IV uval64; |
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120 | # define newSVval64 newSViv |
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121 | # define SvVAL64 SvIV |
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122 | # define newSVuval64 newSVuv |
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123 | # define SvUVAL64 SvUV |
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124 | #else |
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125 | typedef double val64; |
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126 | typedef double uval64; |
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127 | # define newSVval64 newSVnv |
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128 | # define SvVAL64 SvNV |
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129 | # define newSVuval64 newSVnv |
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130 | # define SvUVAL64 SvNV |
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131 | #endif |
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132 | |
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133 | extern tstamp runtime; // virtual server time, excluding time jumps and lag |
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134 | extern tstamp NOW; // real time of current server tick |
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135 | |
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136 | ecb_noinline utf8_string cfSvPVutf8_nolen (SV *sv); |
33 | |
137 | |
34 | enum event_klass |
138 | enum event_klass |
35 | { |
139 | { |
36 | KLASS_NONE, |
140 | KLASS_NONE, |
37 | KLASS_GLOBAL, |
141 | KLASS_GLOBAL, |
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142 | KLASS_ATTACHABLE, |
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143 | KLASS_CLIENT, |
38 | KLASS_PLAYER, |
144 | KLASS_PLAYER, |
39 | KLASS_OBJECT, |
145 | KLASS_OBJECT, |
40 | KLASS_MAP, |
146 | KLASS_MAP, |
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147 | KLASS_COMMAND, |
41 | }; |
148 | }; |
42 | |
149 | |
43 | enum event_type |
150 | enum event_type |
44 | { |
151 | { |
45 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
152 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
46 | # include "eventinc.h" |
153 | # include "eventinc.h" |
47 | # undef def |
154 | # undef def |
48 | NUM_EVENT_TYPES |
155 | NUM_EVENT_TYPES |
49 | }; |
156 | }; |
50 | |
157 | |
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158 | // in which global events or per-type events are we interested |
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159 | extern bitset<NUM_EVENT_TYPES> ev_want_event; |
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160 | extern bitset<NUM_TYPES> ev_want_type; |
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161 | |
51 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
162 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
52 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
163 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
53 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
164 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
54 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
165 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
55 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
166 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
56 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) |
167 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
57 | #define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) |
168 | #define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o)) |
58 | #define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) |
169 | #define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o)) |
59 | #define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) |
170 | #define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o)) |
60 | #define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) |
171 | #define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o)) |
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172 | #define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) |
61 | #define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) |
173 | #define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) |
62 | #define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) |
174 | #define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) |
63 | |
175 | |
64 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
176 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
65 | |
177 | #define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0) |
66 | // all these return true when the normal event processing should be skipped (if any) |
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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__) |
178 | #define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
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179 | #define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__) |
71 | #define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
180 | #define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__) |
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181 | #define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__) |
72 | #define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
182 | #define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__) |
73 | #define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
183 | #define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__) |
74 | |
184 | |
75 | //TODO should index into @result |
185 | //TODO should index into @result |
76 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
186 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
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187 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
77 | #define RESULT_INT(idx) RESULT(idx, INT) |
188 | #define RESULT_INT(idx) RESULT(idx, INT) |
78 | |
189 | |
79 | bool cfperl_invoke (event_type event, ...); |
190 | double cfperl_result_DOUBLE (int idx); |
80 | int cfperl_result_INT (int idx); |
191 | int cfperl_result_INT (int idx); |
81 | |
192 | |
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193 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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194 | |
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195 | INTERFACE_CLASS (attachable) |
82 | struct attachable_base |
196 | struct attachable : refcnt_base |
83 | { |
197 | { |
84 | SV *self; |
198 | static MGVTBL vtbl; |
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199 | |
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200 | enum { |
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201 | F_DESTROYED = 0x01, |
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202 | F_DEBUG_TRACE = 0x02, |
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203 | }; |
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204 | uint8 ACC (RW, attachable_flags); |
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205 | |
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206 | static unordered_vector<attachable *> mortals; |
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207 | MTH static void check_mortals (); |
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208 | |
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209 | // object is delete'd after the refcount reaches 0 |
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210 | MTH int refcnt_cnt () const; |
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211 | // check wether the object has died and destroy |
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212 | MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } |
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213 | |
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214 | // destroy the object unless it was already destroyed |
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215 | // this politely asks everybody interested the reduce |
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216 | // the refcount to 0 as soon as possible. |
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217 | MTH void destroy (); |
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218 | |
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219 | // return wether an object was destroyed already |
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220 | MTH bool destroyed () const { return attachable_flags & F_DESTROYED; } |
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221 | |
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222 | // destruct and free the memory for this object |
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223 | virtual void do_delete (); |
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224 | |
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225 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
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226 | |
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227 | #if 0 |
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228 | private: |
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229 | static refcounted *rc_first; |
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230 | refcounted *rc_next; |
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231 | #endif |
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232 | |
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233 | HV *self; // CF+ perl self |
85 | AV *cb; // CF+ perl self and callback |
234 | AV *cb; // CF+ callbacks |
86 | shstr attach; // generic extension attachment information |
235 | shstr attach; // generic extension attachment information |
87 | |
236 | |
88 | void clear (); // called when free'ing objects |
237 | void sever_self (); // sever this object from its self, if it has one. |
89 | void optimise (); // possibly save some memory by destroying unneeded data |
238 | void optimise (); // possibly save some memory by destroying unneeded data |
90 | void instantiate (data_type type, void *obj); |
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91 | |
239 | |
92 | void attachable_init () |
240 | attachable () |
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241 | : attachable_flags (0), self (0), cb (0), attach (0) |
93 | { |
242 | { |
94 | self = 0; |
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95 | cb = 0; |
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96 | attach = 0; |
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97 | } |
243 | } |
98 | }; |
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99 | |
244 | |
100 | // objects attachable from perl (or any other extension) should include or |
245 | attachable (const attachable &src) |
101 | // derive using the curiously recurring template pattern, to avoid |
246 | : attachable_flags (0), self (0), cb (0), attach (src.attach) |
102 | // virtual method calls etc. |
247 | { |
103 | template<class subclass> |
248 | } |
104 | struct attachable : attachable_base |
249 | |
105 | { |
250 | // set a custom key to the given value, or delete it if value = 0 |
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251 | void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0); |
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252 | |
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253 | void set_key_text (const_utf8_string key, const_utf8_string value = 0) |
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254 | { |
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255 | set_key (key, value, 1); |
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256 | } |
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257 | |
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258 | void set_key_data (const_utf8_string key, const_utf8_string value = 0) |
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259 | { |
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260 | set_key (key, value, 0); |
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261 | } |
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262 | |
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263 | attachable &operator =(const attachable &src); |
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264 | |
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265 | // used to _quickly_ decide wether to shortcut the evaluation |
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266 | bool should_invoke (event_type event) |
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267 | { |
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268 | return ev_want_event [event] || cb; |
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269 | } |
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270 | |
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271 | bool invoke (event_type event, ...); |
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272 | |
106 | void instantiate () |
273 | MTH void instantiate (); |
107 | { |
274 | void reattach (); |
108 | if (attach) |
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109 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
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110 | } |
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111 | }; |
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112 | |
275 | |
113 | struct object_freezer : dynbuf |
276 | protected: |
114 | { |
277 | // do the real refcount checking work |
115 | AV *av; |
278 | void do_check (); |
116 | |
279 | |
117 | object_freezer (); |
280 | // the method that does the real destroy work |
118 | ~object_freezer (); |
281 | virtual void do_destroy (); |
119 | |
282 | |
120 | void put (attachable_base *ext); |
283 | // destructor is protected, should not be called by anybody |
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284 | virtual ~attachable (); |
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285 | }; |
121 | |
286 | |
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287 | // the global object is a pseudo object that cares for the global events |
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288 | struct global : attachable |
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289 | { |
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290 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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291 | }; |
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292 | |
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293 | extern struct global gbl_ev; |
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294 | |
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295 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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296 | |
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297 | #include "freezethaw.h" |
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298 | |
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299 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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300 | |
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301 | struct coroapi { |
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302 | static struct CoroAPI *GCoroAPI; |
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303 | |
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304 | static EV_ATOMIC_T cede_pending; |
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305 | |
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306 | static int nready () { return CORO_NREADY; } |
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307 | static int cede () { cede_pending = 0; return CORO_CEDE ; } |
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308 | |
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309 | static void do_cede_to_tick (); |
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310 | |
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311 | // actually cede's far more often |
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312 | static bool cede_to_tick () |
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313 | { |
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314 | if (expect_true (!cede_pending)) |
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315 | return false; |
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316 | |
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317 | do_cede_to_tick (); |
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318 | return true; |
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319 | } |
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320 | |
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321 | static void wait_for_tick (); |
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322 | static void wait_for_tick_begin (); |
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323 | }; |
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324 | |
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325 | struct evapi |
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326 | { |
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327 | static struct EVAPI *GEVAPI; |
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328 | }; |
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329 | |
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330 | struct iow : ev_io, evapi, callback<void (iow &, int)> |
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331 | { |
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332 | static void thunk (EV_P_ struct ev_io *w_, int revents) |
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333 | { |
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334 | iow &w = *static_cast<iow *>(w_); |
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335 | |
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336 | w (w, revents); |
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337 | } |
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338 | |
122 | template<class subclass> |
339 | template<class O, class M> |
123 | void put (attachable<subclass> *obj) |
340 | iow (O object, M method) |
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341 | : callback<void (iow &, int)> (object, method) |
124 | { |
342 | { |
125 | put ((attachable_base *)obj); |
343 | ev_init ((ev_io *)this, thunk); |
126 | } |
344 | } |
127 | |
345 | |
128 | //TODO//temporary |
346 | void prio (int prio) |
129 | void put (const char *k, const char *v) |
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130 | { |
347 | { |
131 | add (k); |
348 | ev_set_priority ((ev_io *)this, prio); |
132 | |
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133 | //if (v) |
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134 | add (' '); //TODO//cf compatibility always add space |
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135 | if (v) |
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136 | add (v); |
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137 | |
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138 | add ('\n'); |
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139 | } |
349 | } |
140 | |
350 | |
141 | //TODO//temporary |
351 | void set (int fd, int events) |
142 | void put (const char *k, int v) |
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143 | { |
352 | { |
144 | add (k); |
353 | ev_io_set ((ev_io *)this, fd, events); |
145 | add (' '); |
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146 | add (sint32 (v)); |
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147 | add ('\n'); |
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148 | } |
354 | } |
149 | |
355 | |
150 | void put (keyword k, const char *v) |
356 | int poll () const { return events; } |
151 | { |
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152 | int klen = keyword_len [k]; |
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153 | int vlen = v ? strlen (v) : 0; |
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154 | |
357 | |
155 | char *p = (char *)alloc (klen + 1 + vlen + 1); |
358 | void poll (int events); |
156 | |
359 | |
157 | memcpy (p, keyword_str [k], klen); p += klen; |
360 | void start () |
158 | *p++ = ' '; //TODO//cf compatibility always add space |
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159 | memcpy (p, v, vlen); p += vlen; |
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160 | *p = '\n'; |
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161 | } |
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162 | |
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163 | void put (keyword k, double v) |
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164 | { |
361 | { |
165 | char buf [128]; |
362 | ev_io_start (EV_DEFAULT, (ev_io *)this); |
166 | |
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167 | snprintf (buf, 128, "%.7g", v); |
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168 | |
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169 | put (k, (const char *)buf); |
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170 | } |
363 | } |
171 | |
364 | |
172 | void put_(keyword k, sint64 v) |
365 | void stop () |
173 | { |
366 | { |
174 | add (keyword_str [k], keyword_len [k]); |
367 | ev_io_stop (EV_DEFAULT, (ev_io *)this); |
175 | add (' '); |
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176 | add (v); |
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177 | add ('\n'); |
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178 | } |
368 | } |
179 | |
369 | |
180 | void put_(keyword k, sint32 v) |
370 | ~iow () |
181 | { |
371 | { |
182 | add (keyword_str [k], keyword_len [k]); |
372 | stop (); |
183 | add (' '); |
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184 | add (v); |
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185 | add ('\n'); |
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186 | } |
373 | } |
187 | |
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188 | void put (keyword kbeg, keyword kend, const char *v) |
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189 | { |
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190 | add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); |
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191 | |
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192 | if (v) |
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193 | { |
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194 | add (v); |
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195 | add ('\n'); |
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196 | } |
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197 | |
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198 | add (keyword_str [kend], keyword_len [kend]); add ('\n'); |
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199 | } |
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200 | |
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201 | void put (keyword k, float v) { put (k, (double)v); } |
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202 | void put (keyword k, signed char v) { put_(k, (sint32)v); } |
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203 | void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
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204 | void put (keyword k, signed short v) { put_(k, (sint32)v); } |
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205 | void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
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206 | void put (keyword k, signed int v) { put_(k, (sint32)v); } |
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207 | void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
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208 | void put (keyword k, signed long v) { put_(k, (sint64)v); } |
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209 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
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210 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
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211 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
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212 | |
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213 | template<typename T> |
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214 | void put (keyword k, T *v) |
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215 | { |
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216 | put (k, v ? (const char *)v->name : 0); |
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217 | } |
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218 | |
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219 | bool save (const char *filename); |
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220 | |
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221 | operator bool () { return !!av; } |
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222 | }; |
374 | }; |
223 | |
375 | |
224 | // compatibility support, should be removed when no longer needed |
376 | struct asyncw : ev_async, evapi, callback<void (ev_async &, int)> |
225 | int fprintf (object_freezer &freezer, const char *format, ...); |
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226 | int fputs (const char *s, object_freezer &freezer); |
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227 | |
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228 | struct object_thawer |
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229 | { |
377 | { |
230 | SV *text; // text part |
378 | static void thunk (EV_P_ struct ev_async *w_, int revents) |
231 | AV *av; // perl part |
379 | { |
232 | char *line; // current beginning of line |
380 | asyncw &w = *static_cast<asyncw *>(w_); |
233 | char *last_value; |
381 | |
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382 | w (w, revents); |
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383 | } |
234 | |
384 | |
235 | operator bool () { return !!text; } |
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236 | |
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237 | object_thawer (const char *filename = 0); |
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238 | ~object_thawer (); |
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239 | |
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240 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
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241 | |
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242 | template<class subclass> |
385 | template<class O, class M> |
243 | void get (attachable<subclass> *obj, int oid) |
386 | asyncw (O object, M method) |
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387 | : callback<void (asyncw &, int)> (object, method) |
244 | { |
388 | { |
245 | if (av) |
389 | ev_init ((ev_async *)this, thunk); |
246 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
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247 | } |
390 | } |
248 | |
391 | |
249 | keyword get_kv (); // also parse value for later use |
392 | void start () |
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393 | { |
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394 | ev_async_start (EV_DEFAULT, (ev_async *)this); |
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395 | } |
250 | |
396 | |
251 | const char *get_str () { return last_value; } // may be 0 |
397 | void stop () |
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398 | { |
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399 | ev_async_stop (EV_DEFAULT, (ev_async *)this); |
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400 | } |
252 | |
401 | |
253 | void get (shstr &sh) const; |
402 | ~asyncw () |
254 | void get_ornull (shstr &sh) const { sh = last_value; } |
403 | { |
255 | void get_ml (keyword kend, shstr &sh); |
404 | stop (); |
256 | |
405 | } |
257 | sint32 get_sint32 () const; |
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258 | sint64 get_sint64 () const; |
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259 | double get_double () const; |
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260 | |
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261 | void get (float &v) { v = get_double (); } |
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262 | void get (double &v) { v = get_double (); } |
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263 | |
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264 | void get (sint8 &i) { i = get_sint32 (); } |
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265 | void get (uint8 &i) { i = get_sint32 (); } |
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266 | void get (sint16 &i) { i = get_sint32 (); } |
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267 | void get (uint16 &i) { i = get_sint32 (); } |
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268 | void get (sint32 &i) { i = get_sint32 (); } |
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269 | |
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270 | void get (uint32 &i) { i = get_sint64 (); } |
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271 | void get (sint64 &i) { i = get_sint64 (); } |
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272 | }; |
406 | }; |
273 | |
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274 | char *fgets (char *s, int n, object_thawer &thawer); |
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275 | |
407 | |
276 | #endif |
408 | #endif |
277 | |
409 | |