1 | /* |
1 | /* |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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7 | * |
6 | * |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
7 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * it under the terms of the GNU General Public License as published by |
8 | * the terms of the Affero GNU General Public License as published by the |
10 | * the Free Software Foundation, either version 3 of the License, or |
9 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
10 | * option) any later version. |
12 | * |
11 | * |
13 | * This program is distributed in the hope that it will be useful, |
12 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
15 | * GNU General Public License for more details. |
17 | * |
16 | * |
18 | * You should have received a copy of the GNU General Public License |
17 | * You should have received a copy of the Affero GNU General Public License |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
18 | * and the GNU General Public License along with this program. If not, see |
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19 | * <http://www.gnu.org/licenses/>. |
20 | * |
20 | * |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
21 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
22 | */ |
23 | |
23 | |
24 | // |
24 | // |
25 | // cfperl.h perl interface |
25 | // cfperl.h perl interface |
26 | // |
26 | // |
27 | #ifndef CFPERL_H__ |
27 | #ifndef CFPERL_H__ |
28 | #define CFPERL_H__ |
28 | #define CFPERL_H__ |
29 | |
29 | |
30 | #include <cstdarg> |
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31 | #include <cstdio> |
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32 | #include <bitset> |
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33 | |
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34 | using namespace std; |
30 | using namespace std; |
35 | |
31 | |
36 | #include <EXTERN.h> |
32 | #include <EXTERN.h> |
37 | #include <perl.h> |
33 | #include <perl.h> |
38 | #include <XSUB.h> |
34 | #include <XSUB.h> |
39 | |
35 | |
40 | #include <EventAPI.h> |
36 | #include <EVAPI.h> |
41 | #include <CoroAPI.h> |
37 | #include <CoroAPI.h> |
42 | |
38 | |
43 | #include "util.h" |
39 | #include "util.h" |
44 | #include "keyword.h" |
40 | #include "keyword.h" |
45 | #include "dynbuf.h" |
41 | #include "dynbuf.h" |
… | |
… | |
50 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
46 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
51 | #undef localtime |
47 | #undef localtime |
52 | #undef srand48 |
48 | #undef srand48 |
53 | #undef drand48 |
49 | #undef drand48 |
54 | #undef srandom |
50 | #undef srandom |
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51 | #undef opendir |
55 | #undef readdir |
52 | #undef readdir |
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53 | #undef closedir |
56 | #undef getprotobyname |
54 | #undef getprotobyname |
57 | #undef gethostbyname |
55 | #undef gethostbyname |
58 | #undef ctime |
56 | #undef ctime |
59 | #undef strerror |
57 | #undef strerror |
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58 | #undef _ |
60 | |
59 | |
61 | // same here, massive symbol spamming |
60 | // same here, massive symbol spamming |
62 | #undef do_open |
61 | #undef do_open |
63 | #undef do_close |
62 | #undef do_close |
64 | #undef ref |
63 | #undef ref |
… | |
… | |
69 | #undef random |
68 | #undef random |
70 | #undef crypt |
69 | #undef crypt |
71 | |
70 | |
72 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
71 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
73 | |
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 | |
74 | // some macros to simplify perl in-calls |
78 | // some macros to simplify perl in-calls |
75 | |
79 | |
76 | #define CHECK_ERROR \ |
80 | #define CHECK_ERROR \ |
77 | if (SvTRUE (ERRSV)) \ |
81 | if (SvTRUE (ERRSV)) \ |
78 | LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); |
82 | LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV)); |
79 | |
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 |
80 | #define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) |
90 | #define CALL_BEGIN(args) dSP; CALL_PUSH; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) |
81 | #define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc |
91 | #define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc |
82 | #define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) |
92 | #define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) |
83 | #define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; |
93 | #define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN; |
84 | #define CALL_END CHECK_ERROR; FREETMPS; LEAVE |
94 | #define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP |
85 | |
95 | |
86 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
96 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
87 | |
97 | |
88 | void cfperl_init (); |
98 | void cfperl_init (); |
89 | void cfperl_main (); |
99 | void cfperl_main (); |
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100 | void cfperl_tick (); |
90 | void cfperl_emergency_save (); |
101 | void cfperl_emergency_save (); |
91 | void cfperl_cleanup (int make_core); |
102 | void cfperl_cleanup (int make_core); |
92 | void cfperl_make_book (object *book, int level); |
103 | void cfperl_make_book (object *book, int level); |
93 | void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); |
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); |
94 | |
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 | |
95 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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 |
96 | |
132 | |
97 | extern tstamp runtime; // virtual server time, excluding time jumps and lag |
133 | extern tstamp runtime; // virtual server time, excluding time jumps and lag |
98 | extern tstamp NOW; // real time of current server tick |
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); |
99 | |
137 | |
100 | enum event_klass |
138 | enum event_klass |
101 | { |
139 | { |
102 | KLASS_NONE, |
140 | KLASS_NONE, |
103 | KLASS_GLOBAL, |
141 | KLASS_GLOBAL, |
… | |
… | |
153 | int cfperl_result_INT (int idx); |
191 | int cfperl_result_INT (int idx); |
154 | |
192 | |
155 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
193 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
156 | |
194 | |
157 | INTERFACE_CLASS (attachable) |
195 | INTERFACE_CLASS (attachable) |
158 | struct attachable |
196 | struct attachable : refcnt_base |
159 | { |
197 | { |
160 | static MGVTBL vtbl; |
198 | static MGVTBL vtbl; |
161 | |
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162 | static unordered_vector<attachable *> mortals; |
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163 | MTH static void check_mortals (); |
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164 | |
199 | |
165 | enum { |
200 | enum { |
166 | F_DESTROYED = 0x01, |
201 | F_DESTROYED = 0x01, |
167 | F_DEBUG_TRACE = 0x02, |
202 | F_DEBUG_TRACE = 0x02, |
168 | }; |
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 (); |
169 | |
208 | |
170 | // object is delete'd after the refcount reaches 0 |
209 | // object is delete'd after the refcount reaches 0 |
171 | int ACC (RW, flags); |
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172 | mutable int ACC (RW, refcnt); |
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173 | |
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174 | MTH void refcnt_inc () const { ++refcnt; } |
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175 | MTH void refcnt_dec () const { --refcnt; } |
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176 | |
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177 | MTH int refcnt_cnt () const; |
210 | MTH int refcnt_cnt () const; |
178 | // check wether the object has died and destroy |
211 | // check wether the object has died and destroy |
179 | MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } |
212 | MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } |
180 | |
213 | |
181 | // destroy the object unless it was already destroyed |
214 | // destroy the object unless it was already destroyed |
182 | // this politely asks everybody interested the reduce |
215 | // this politely asks everybody interested the reduce |
183 | // the refcount to 0 as soon as possible. |
216 | // the refcount to 0 as soon as possible. |
184 | MTH void destroy (); |
217 | MTH void destroy (); |
185 | |
218 | |
186 | // return wether an object was destroyed already |
219 | // return wether an object was destroyed already |
187 | MTH bool destroyed () const { return flags & F_DESTROYED; } |
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 (); |
188 | |
224 | |
189 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
225 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
190 | |
226 | |
191 | #if 0 |
227 | #if 0 |
192 | private: |
228 | private: |
… | |
… | |
200 | |
236 | |
201 | void sever_self (); // sever this object from its self, if it has one. |
237 | void sever_self (); // sever this object from its self, if it has one. |
202 | void optimise (); // possibly save some memory by destroying unneeded data |
238 | void optimise (); // possibly save some memory by destroying unneeded data |
203 | |
239 | |
204 | attachable () |
240 | attachable () |
205 | : flags (0), refcnt (0), self (0), cb (0), attach (0) |
241 | : attachable_flags (0), self (0), cb (0), attach (0) |
206 | { |
242 | { |
207 | } |
243 | } |
208 | |
244 | |
209 | attachable (const attachable &src) |
245 | attachable (const attachable &src) |
210 | : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) |
246 | : attachable_flags (0), self (0), cb (0), attach (src.attach) |
211 | { |
247 | { |
212 | } |
248 | } |
213 | |
249 | |
214 | virtual ~attachable (); |
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 | } |
215 | |
262 | |
216 | attachable &operator =(const attachable &src); |
263 | attachable &operator =(const attachable &src); |
217 | |
264 | |
218 | // used to _quickly_ device wether to shortcut the evaluation |
265 | // used to _quickly_ decide wether to shortcut the evaluation |
219 | bool should_invoke (event_type event) |
266 | bool should_invoke (event_type event) |
220 | { |
267 | { |
221 | return ev_want_event [event] || cb; |
268 | return ev_want_event [event] || cb; |
222 | } |
269 | } |
223 | |
270 | |
… | |
… | |
230 | // do the real refcount checking work |
277 | // do the real refcount checking work |
231 | void do_check (); |
278 | void do_check (); |
232 | |
279 | |
233 | // the method that does the real destroy work |
280 | // the method that does the real destroy work |
234 | virtual void do_destroy (); |
281 | virtual void do_destroy (); |
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282 | |
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283 | // destructor is protected, should not be called by anybody |
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284 | virtual ~attachable (); |
235 | }; |
285 | }; |
236 | |
286 | |
237 | // the global object is a pseudo object that cares for the global events |
287 | // the global object is a pseudo object that cares for the global events |
238 | struct global : attachable |
288 | struct global : attachable |
239 | { |
289 | { |
… | |
… | |
242 | |
292 | |
243 | extern struct global gbl_ev; |
293 | extern struct global gbl_ev; |
244 | |
294 | |
245 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
295 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
246 | |
296 | |
247 | struct object_freezer : dynbuf_text |
297 | #include "freezethaw.h" |
248 | { |
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249 | AV *av; |
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250 | |
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251 | object_freezer (); |
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252 | ~object_freezer (); |
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253 | |
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254 | void put (attachable *ext); |
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255 | |
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256 | // used only for user-defined key-value pairs |
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257 | void put (const shstr &k, const shstr &v) |
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258 | { |
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259 | add (k); |
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260 | |
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261 | if (expect_true (v)) |
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262 | add (' '), add (v); |
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263 | |
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264 | add ('\n'); |
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265 | } |
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266 | |
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267 | template<typename T> |
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268 | void put_kw_string (keyword k, const T &v) |
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269 | { |
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270 | int klen = keyword_len [k]; |
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271 | int vlen = v ? strlen (v) + 1 : 0; |
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272 | |
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273 | char *p = (char *)alloc (klen + vlen + 1); |
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274 | |
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275 | memcpy (p, keyword_str [k], klen); p += klen; |
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276 | |
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277 | if (expect_true (v)) |
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278 | { |
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279 | *p++ = ' '; vlen--; |
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280 | memcpy (p, v, vlen); p += vlen; |
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281 | } |
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282 | |
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283 | *p = '\n'; |
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284 | } |
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285 | |
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286 | void put (keyword k, const char *v = 0) |
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287 | { |
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288 | put_kw_string (k, v); |
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289 | } |
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290 | |
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291 | void put (keyword k, const shstr &v) |
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292 | { |
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293 | put_kw_string (k, v); |
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294 | } |
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295 | |
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296 | void put (keyword k, double v) |
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297 | { |
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298 | force (MAX_KEYWORD_LEN + 2 + 32); |
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299 | fadd (keyword_str [k], keyword_len [k]); |
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300 | fadd (' '); |
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301 | falloc (sprintf (ptr, "%.7g", v)); |
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302 | fadd ('\n'); |
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303 | } |
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304 | |
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305 | void put_(keyword k, sint64 v) |
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306 | { |
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307 | force (MAX_KEYWORD_LEN + 2 + sint64_digits); |
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308 | fadd (keyword_str [k], keyword_len [k]); |
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309 | fadd (' '); |
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310 | add (v); |
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311 | fadd ('\n'); |
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312 | } |
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313 | |
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314 | void put_(keyword k, sint32 v) |
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315 | { |
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316 | force (MAX_KEYWORD_LEN + 2 + sint32_digits); |
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317 | fadd (keyword_str [k], keyword_len [k]); |
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318 | fadd (' '); |
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319 | add (v); |
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320 | fadd ('\n'); |
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321 | } |
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322 | |
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323 | void put (keyword k, float v) { put (k, (double)v); } |
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324 | void put (keyword k, signed char v) { put_(k, (sint32)v); } |
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325 | void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
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326 | void put (keyword k, signed short v) { put_(k, (sint32)v); } |
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327 | void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
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328 | void put (keyword k, signed int v) { put_(k, (sint32)v); } |
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329 | void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
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330 | void put (keyword k, signed long v) { put_(k, (sint64)v); } |
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331 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
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332 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
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333 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
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334 | |
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335 | void put (keyword kbeg, keyword kend, const shstr &v) |
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336 | { |
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337 | force (MAX_KEYWORD_LEN + 1); |
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338 | fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); |
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339 | |
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340 | if (expect_true (v)) |
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341 | { |
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342 | add (v); |
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343 | add ('\n'); |
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344 | } |
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345 | |
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346 | force (MAX_KEYWORD_LEN + 1); |
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347 | fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); |
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348 | } |
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349 | |
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350 | void put (keyword k, archetype *v); |
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351 | void put (keyword k, treasurelist *v); |
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352 | void put (keyword k, faceinfo *v); |
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353 | |
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354 | template<typename T> |
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355 | void put (keyword k, const refptr<T> &v) |
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356 | { |
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357 | put (k, (T *)v); |
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358 | } |
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359 | |
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360 | bool save (const char *path); |
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361 | char *as_string (); // like strdup |
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362 | |
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363 | operator bool () { return !!av; } |
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364 | }; |
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365 | |
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366 | struct object_thawer |
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367 | { |
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368 | char *line; // current beginning of line |
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369 | SV *text; // text part |
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370 | AV *av; // perl part |
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371 | int linenum; |
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372 | keyword kw; |
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373 | char *kw_str; // the keyword parsed, as string |
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374 | char *value; // the value, or 0 if no value |
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375 | char *value_nn; // the value, or the empty string if no value |
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376 | const char *name; |
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377 | |
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378 | operator bool () { return !!text; } |
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379 | |
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380 | object_thawer (const char *path = 0); |
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381 | object_thawer (const char *data, AV *perlav); |
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382 | ~object_thawer (); |
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383 | |
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384 | void get (attachable *obj, int oid); |
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385 | |
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386 | // parse next line |
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387 | void next (); |
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388 | // skip the current key-value (usually fetch next line, for |
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389 | // multiline-fields, skips till the corresponding end-kw |
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390 | void skip (); |
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391 | |
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392 | char *get_str () { return value; } // may be 0 |
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393 | void get_ml (keyword kend, shstr &sh); |
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394 | |
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395 | void get_ornull (shstr &sh) const { sh = value; } |
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396 | void get (shstr &sh) const { sh = value; } // might want to check for non-null here |
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397 | |
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398 | bool get_bool () const { return *value_nn == '1'; } |
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399 | sint32 get_sint32 () const; |
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400 | sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); } |
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401 | double get_double () const { return strtod (value_nn, 0); } |
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402 | |
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403 | void get (float &v) { v = get_double (); } |
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404 | void get (double &v) { v = get_double (); } |
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405 | |
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406 | void get (bool &i) { i = get_bool (); } |
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407 | void get (sint8 &i) { i = get_sint32 (); } |
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408 | void get (uint8 &i) { i = get_sint32 (); } |
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409 | void get (sint16 &i) { i = get_sint32 (); } |
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410 | void get (uint16 &i) { i = get_sint32 (); } |
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411 | void get (sint32 &i) { i = get_sint32 (); } |
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412 | |
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413 | void get (uint32 &i) { i = get_sint64 (); } |
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414 | void get (sint64 &i) { i = get_sint64 (); } |
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415 | |
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416 | bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); |
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417 | }; |
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418 | |
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419 | //TODO: remove |
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420 | char *fgets (char *s, int n, object_thawer &thawer); |
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421 | |
298 | |
422 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
299 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
423 | |
300 | |
424 | struct coroapi { |
301 | struct coroapi { |
425 | static struct CoroAPI *GCoroAPI; |
302 | static struct CoroAPI *GCoroAPI; |
426 | |
303 | |
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304 | static EV_ATOMIC_T cede_pending; |
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305 | |
427 | static int nready () { return CORO_NREADY; } |
306 | static int nready () { return CORO_NREADY; } |
428 | static int cede () { return CORO_CEDE ; } |
307 | static int cede () { cede_pending = 0; return CORO_CEDE ; } |
429 | |
308 | |
430 | static tstamp next_cede; |
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431 | static int cede_counter; |
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432 | |
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433 | static void do_cede_every (); |
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434 | static void do_cede_to_tick (); |
309 | static void do_cede_to_tick (); |
435 | static void do_cede_to_tick_every (); |
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436 | |
310 | |
437 | static void cede_every (int count) |
311 | // actually cede's far more often |
438 | { |
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439 | if (expect_false (++cede_counter >= count)) |
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440 | do_cede_every (); |
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441 | } |
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442 | |
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443 | static bool cede_to_tick () |
312 | static bool cede_to_tick () |
444 | { |
313 | { |
445 | if (expect_true (now () < next_cede)) |
314 | if (expect_true (!cede_pending)) |
446 | return false; |
315 | return false; |
447 | |
316 | |
448 | do_cede_to_tick (); |
317 | do_cede_to_tick (); |
449 | return true; |
318 | return true; |
450 | } |
319 | } |
451 | |
320 | |
452 | static bool cede_to_tick_every (int count) |
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453 | { |
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454 | if (expect_true (++cede_counter < count)) |
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455 | return false; |
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456 | |
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457 | return cede_to_tick (); |
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458 | } |
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459 | |
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460 | static void wait_for_tick (); |
321 | static void wait_for_tick (); |
461 | static void wait_for_tick_begin (); |
322 | static void wait_for_tick_begin (); |
462 | }; |
323 | }; |
463 | |
324 | |
464 | struct watcher_base |
325 | struct evapi |
465 | { |
326 | { |
466 | static struct EventAPI *GEventAPI; |
327 | static struct EVAPI *GEVAPI; |
467 | }; |
328 | }; |
468 | |
329 | |
469 | template<class base> |
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470 | struct watcher : watcher_base |
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471 | { |
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472 | base *pe; |
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473 | |
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474 | void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); } |
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475 | void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); } |
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476 | void now () { GEventAPI->now ((pe_watcher *)pe); } |
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477 | void suspend () { GEventAPI->suspend ((pe_watcher *)pe); } |
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478 | void resume () { GEventAPI->resume ((pe_watcher *)pe); } |
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479 | |
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480 | void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; } |
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481 | |
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482 | ~watcher () |
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483 | { |
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484 | cancel (); |
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485 | } |
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486 | |
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487 | private: |
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488 | void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
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489 | }; |
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490 | |
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491 | struct iw : watcher<pe_idle>, callback<void (iw &)> |
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492 | { |
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493 | template<class O, class M> |
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494 | iw (O object, M method) |
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495 | : callback<void (iw &)> (object, method) |
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496 | { |
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497 | alloc (); |
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498 | } |
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499 | |
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500 | private: |
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501 | void alloc (); |
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502 | }; |
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503 | |
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504 | struct iow : watcher<pe_io>, callback<void (iow &, int)> |
330 | struct iow : ev_io, evapi, callback<void (iow &, int)> |
505 | { |
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 | |
506 | template<class O, class M> |
339 | template<class O, class M> |
507 | iow (O object, M method) |
340 | iow (O object, M method) |
508 | : callback<void (iow &, int)> (object, method) |
341 | : callback<void (iow &, int)> (object, method) |
509 | { |
342 | { |
510 | alloc (); |
343 | ev_init ((ev_io *)this, thunk); |
511 | } |
344 | } |
512 | |
345 | |
513 | void fd (int fd); |
346 | void prio (int prio) |
514 | int poll (); |
347 | { |
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348 | ev_set_priority ((ev_io *)this, prio); |
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349 | } |
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350 | |
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351 | void set (int fd, int events) |
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352 | { |
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353 | ev_io_set ((ev_io *)this, fd, events); |
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354 | } |
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355 | |
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356 | int poll () const { return events; } |
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357 | |
515 | void poll (int events); |
358 | void poll (int events); |
516 | |
359 | |
517 | private: |
360 | void start () |
518 | void alloc (); |
361 | { |
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362 | ev_io_start (EV_DEFAULT, (ev_io *)this); |
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363 | } |
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364 | |
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365 | void stop () |
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366 | { |
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367 | ev_io_stop (EV_DEFAULT, (ev_io *)this); |
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368 | } |
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369 | |
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370 | ~iow () |
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371 | { |
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372 | stop (); |
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373 | } |
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374 | }; |
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375 | |
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376 | struct asyncw : ev_async, evapi, callback<void (ev_async &, int)> |
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377 | { |
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378 | static void thunk (EV_P_ struct ev_async *w_, int revents) |
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379 | { |
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380 | asyncw &w = *static_cast<asyncw *>(w_); |
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381 | |
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382 | w (w, revents); |
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383 | } |
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384 | |
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385 | template<class O, class M> |
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386 | asyncw (O object, M method) |
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387 | : callback<void (asyncw &, int)> (object, method) |
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388 | { |
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389 | ev_init ((ev_async *)this, thunk); |
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390 | } |
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391 | |
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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 | } |
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396 | |
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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 | } |
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401 | |
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402 | ~asyncw () |
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403 | { |
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404 | stop (); |
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405 | } |
519 | }; |
406 | }; |
520 | |
407 | |
521 | #endif |
408 | #endif |
522 | |
409 | |