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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.60 by root, Mon Apr 16 06:23:41 2007 UTC vs.
Revision 1.121 by root, Thu Apr 15 03:34:30 2010 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 *
6 * Deliantra is free software: you can redistribute it and/or modify it under
7 * the terms of the Affero GNU General Public License as published by the
8 * Free Software Foundation, either version 3 of the License, or (at your
9 * option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the Affero GNU General Public License
17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
19 *
20 * The authors can be reached via e-mail to <support@deliantra.net>
21 */
22
1// 23//
2// cfperl.h perl interface 24// cfperl.h perl interface
3// 25//
4#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
5#define CFPERL_H__ 27#define CFPERL_H__
6 28
7#include <cstdio>
8
9using namespace std; 29using namespace std;
10 30
11#include <EXTERN.h> 31#include <EXTERN.h>
12#include <perl.h> 32#include <perl.h>
13#include <XSUB.h> 33#include <XSUB.h>
14 34
15#include <EventAPI.h> 35#include <EVAPI.h>
16#include <CoroAPI.h> 36#include <CoroAPI.h>
17 37
18#include "util.h" 38#include "util.h"
19#include "keyword.h" 39#include "keyword.h"
20#include "dynbuf.h" 40#include "dynbuf.h"
25// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 45// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
26#undef localtime 46#undef localtime
27#undef srand48 47#undef srand48
28#undef drand48 48#undef drand48
29#undef srandom 49#undef srandom
50#undef opendir
30#undef readdir 51#undef readdir
52#undef closedir
31#undef getprotobyname 53#undef getprotobyname
32#undef gethostbyname 54#undef gethostbyname
33#undef ctime 55#undef ctime
34#undef strerror 56#undef strerror
57#undef _
35 58
36// same here, massive symbol spamming 59// same here, massive symbol spamming
37#undef do_open 60#undef do_open
38#undef do_close 61#undef do_close
39#undef ref 62#undef ref
44#undef random 67#undef random
45#undef crypt 68#undef crypt
46 69
47////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 70//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48 71
72#define _(msg) (msg)
73#define N_(msg) (msg)
74
75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
76
49// some macros to simplify perl in-calls 77// some macros to simplify perl in-calls
50 78
51#define CHECK_ERROR \ 79#define CHECK_ERROR \
52 if (SvTRUE (ERRSV)) \ 80 if (SvTRUE (ERRSV)) \
53 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 81 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
54 82
83inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
84inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
85
86// TODO: temporarily enabled pushstack/popstack for all calls from the core, to maybe fix object memleak?
87#define CALL_PUSH PUSHSTACKi (PERLSI_UNKNOWN)
88#define CALL_POP PUTBACK; POPSTACK; SPAGAIN
55#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 89#define CALL_BEGIN(args) dSP; CALL_PUSH; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
56#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 90#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
57#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 91#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
58#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; 92#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
59#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 93#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP
60 94
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 96
63void cfperl_init (); 97void cfperl_init ();
64void cfperl_main (); 98void cfperl_main ();
99void cfperl_tick ();
65void cfperl_emergency_save (); 100void cfperl_emergency_save ();
66void cfperl_cleanup (int make_core); 101void cfperl_cleanup (int make_core);
102void cfperl_make_book (object *book, int level);
103void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg);
104int cfperl_can_merge (object *ob1, object *ob2);
105void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
67 106
68////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 107bool is_match_expr (const_utf8_string expr);
108// applies the match expression and returns true if it matches
109bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
110// same as above, but returns the first object found, or 0
111object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
69 112
113//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
114
115#if IVSIZE >= 8
116 typedef IV val64;
117 typedef IV uval64;
118# define newSVval64 newSViv
119# define SvVAL64 SvIV
120# define newSVuval64 newSVuv
121# define SvUVAL64 SvUV
122#else
123 typedef double val64;
124 typedef double uval64;
125# define newSVval64 newSVnv
126# define SvVAL64 SvNV
127# define newSVuval64 newSVnv
128# define SvUVAL64 SvNV
129#endif
130
70// virtual server time, excluding time jumps and lag 131extern tstamp runtime; // virtual server time, excluding time jumps and lag
71extern double runtime; 132extern tstamp NOW; // real time of current server tick
72 133
73enum event_klass 134enum event_klass
74{ 135{
75 KLASS_NONE, 136 KLASS_NONE,
76 KLASS_GLOBAL, 137 KLASS_GLOBAL,
87# define def(klass,name) EVENT_ ## klass ## _ ## name, 148# define def(klass,name) EVENT_ ## klass ## _ ## name,
88# include "eventinc.h" 149# include "eventinc.h"
89# undef def 150# undef def
90 NUM_EVENT_TYPES 151 NUM_EVENT_TYPES
91}; 152};
153
154// in which global events or per-type events are we interested
155extern bitset<NUM_EVENT_TYPES> ev_want_event;
156extern bitset<NUM_TYPES> ev_want_type;
92 157
93#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 158#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
94#define ARG_INT(v) DT_INT , static_cast<int> (v) 159#define ARG_INT(v) DT_INT , static_cast<int> (v)
95#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 160#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
96#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 161#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
103#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 168#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
104#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 169#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
105#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 170#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
106 171
107// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 172// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
108 173#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
109// all these return true when the normal event processing should be skipped (if any)
110#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 174#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
111#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 175#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
112#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 176#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
113#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 177#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
114#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 178#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
115#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 179#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
116 180
117//TODO should index into @result 181//TODO should index into @result
118#define RESULT(idx,type) cfperl_result_ ## type (idx) 182#define RESULT(idx,type) cfperl_result_ ## type (idx)
119#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 183#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
120#define RESULT_INT(idx) RESULT(idx, INT) 184#define RESULT_INT(idx) RESULT(idx, INT)
123int cfperl_result_INT (int idx); 187int cfperl_result_INT (int idx);
124 188
125////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 189//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
126 190
127INTERFACE_CLASS (attachable) 191INTERFACE_CLASS (attachable)
128struct attachable 192struct attachable : refcnt_base
129{ 193{
130 static MGVTBL vtbl; 194 static MGVTBL vtbl;
131
132 static unordered_vector<attachable *> mortals;
133 MTH static void check_mortals ();
134 195
135 enum { 196 enum {
136 F_DESTROYED = 0x01, 197 F_DESTROYED = 0x01,
137 F_DEBUG_TRACE = 0x02, 198 F_DEBUG_TRACE = 0x02,
138 }; 199 };
200 uint8 ACC (RW, attachable_flags);
201
202 static unordered_vector<attachable *> mortals;
203 MTH static void check_mortals ();
139 204
140 // object is delete'd after the refcount reaches 0 205 // object is delete'd after the refcount reaches 0
141 int ACC (RW, flags);
142 mutable int ACC (RW, refcnt);
143
144 MTH void refcnt_inc () const { ++refcnt; }
145 MTH void refcnt_dec () const { --refcnt; }
146
147 MTH int refcnt_cnt () const; 206 MTH int refcnt_cnt () const;
148 // check wether the object has died and destroy 207 // check wether the object has died and destroy
149 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 208 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
150 209
151 // destroy the object unless it was already destroyed 210 // destroy the object unless it was already destroyed
152 // this politely asks everybody interested the reduce 211 // this politely asks everybody interested the reduce
153 // the refcount to 0 as soon as possible. 212 // the refcount to 0 as soon as possible.
154 MTH void destroy (); 213 MTH void destroy ();
155 214
156 // return wether an object was destroyed already 215 // return wether an object was destroyed already
157 MTH bool destroyed () const { return flags & F_DESTROYED; } 216 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
217
218 // destruct and free the memory for this object
219 virtual void do_delete ();
158 220
159 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 221 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
160 222
161#if 0 223#if 0
162private: 224private:
170 232
171 void sever_self (); // sever this object from its self, if it has one. 233 void sever_self (); // sever this object from its self, if it has one.
172 void optimise (); // possibly save some memory by destroying unneeded data 234 void optimise (); // possibly save some memory by destroying unneeded data
173 235
174 attachable () 236 attachable ()
175 : flags (0), refcnt (0), self (0), cb (0), attach (0) 237 : attachable_flags (0), self (0), cb (0), attach (0)
176 { 238 {
177 } 239 }
178 240
179 attachable (const attachable &src) 241 attachable (const attachable &src)
180 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 242 : attachable_flags (0), self (0), cb (0), attach (src.attach)
181 { 243 {
182 } 244 }
183 245
184 virtual ~attachable (); 246 // set a custom key to the given value, or delete it if value = 0
247 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
248
249 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
250 {
251 set_key (key, value, 1);
252 }
253
254 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
255 {
256 set_key (key, value, 0);
257 }
185 258
186 attachable &operator =(const attachable &src); 259 attachable &operator =(const attachable &src);
187 260
261 // used to _quickly_ decide wether to shortcut the evaluation
262 bool should_invoke (event_type event)
263 {
264 return ev_want_event [event] || cb;
265 }
266
188 bool invoke (event_type event, ...); 267 bool invoke (event_type event, ...);
268
189 MTH void instantiate (); 269 MTH void instantiate ();
190 void reattach (); 270 void reattach ();
191 271
192protected: 272protected:
193 // do the real refcount checking work 273 // do the real refcount checking work
194 void do_check (); 274 void do_check ();
195 275
196 // the method that does the real destroy work 276 // the method that does the real destroy work
197 virtual void do_destroy (); 277 virtual void do_destroy ();
278
279 // destructor is protected, should not be called by anybody
280 virtual ~attachable ();
198}; 281};
199 282
200// the global object is a pseudo object that cares for the global events 283// the global object is a pseudo object that cares for the global events
201struct global : attachable 284struct global : attachable
202{ 285{
205 288
206extern struct global gbl_ev; 289extern struct global gbl_ev;
207 290
208////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 291//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
209 292
293// a little dirty hack, maybe unify with something else at a later time
294// it is used to communicate as much info about the keyword string
295// to the consuemr as possible, for maximum performance.
296struct keyword_string
297{
298 const char *s;
299 const int l;
300
301 keyword_string (const char *s, int l)
302 : s(s), l(l)
303 { }
304
305 keyword_string (keyword kw)
306 : s(keyword_str [kw]), l(keyword_len [kw])
307 {
308 }
309
310 keyword_string (shstr_tmp sh)
311 : s(&sh), l(sh.length ())
312 {
313 }
314};
315
316#define CS(keyword) keyword_string (# keyword, sizeof (# keyword) - 1)
317#define KW(keyword) CS(keyword)
318
319INTERFACE_CLASS(object_freezer)
210struct object_freezer : dynbuf 320struct object_freezer : dynbuf_text
211{ 321{
212 AV *av; 322 AV *av;
213 323
214 object_freezer (); 324 object_freezer ();
215 ~object_freezer (); 325 ~object_freezer ();
216 326
327 // serialise perl part
217 void put (attachable *ext); 328 void put_ (attachable *ext);
218 329 void put (attachable *ext)
219 // used only for user-defined key-value pairs
220 void put (const shstr &k, const shstr &v)
221 { 330 {
331 if (expect_false (ext->self))
332 put_ (ext);
333 }
334
335 // null value (== no space after keyword)
336 void put (const keyword_string k)
337 {
338 char *p = force (k.l + 1);
339 memcpy (p, k.s, k.l); p += k.l; *p++ = '\n';
340 alloc (p);
341 }
342
343 void put (const keyword_string k, const keyword_string v)
344 {
345 char *p = force (k.l + 1 + v.l + 1);
346 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
347 memcpy (p, v.s, v.l); p += v.l; *p++ = '\n';
348 alloc (p);
349 }
350
351 void put (const keyword_string k, const_utf8_string v)
352 {
353 if (expect_true (v))
354 put (k, keyword_string (v, strlen (v)));
355 else
356 put (k);
357 }
358
359 void put (const keyword_string k, shstr_tmp v)
360 {
361 put (k, keyword_string (v));
362 }
363
364 void put (const keyword_string k, double v)
365 {
366 char *p = force (MAX_KEYWORD_LEN + 2 + 32);
367 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
368 p += sprintf (p, "%.7g", v); *p++ = '\n';
369 alloc (p);
370 }
371
372 void put_(const keyword_string k, sint64 v)
373 {
374 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
222 add (k); 375 fadd (k.s, k.l);
223
224 if (v)
225 add (' '), add (v);
226
227 add ('\n');
228 }
229
230 //TODO//temporary, used only for saving body locations
231 void put (const char *k, int v)
232 {
233 add (k);
234 add (' '); 376 fadd (' ');
235 add (sint32 (v));
236 add ('\n');
237 }
238
239 template<typename T>
240 void put_string (keyword k, const T &v)
241 {
242 int klen = keyword_len [k];
243 int vlen = v ? strlen (v) + 1 : 0;
244
245 char *p = (char *)alloc (klen + vlen + 1);
246
247 memcpy (p, keyword_str [k], klen); p += klen;
248
249 if (v)
250 {
251 *p++ = ' '; vlen--;
252 memcpy (p, v, vlen); p += vlen;
253 }
254
255 *p = '\n';
256 }
257
258 void put (keyword k, const char *v = 0)
259 {
260 put_string (k, v);
261 }
262
263 void put (keyword k, const shstr &v)
264 {
265 put_string (k, v);
266 }
267
268 void put (keyword k, double v)
269 {
270 char buf [128];
271
272 snprintf (buf, 128, "%.7g", v);
273
274 put (k, (const char *)buf);
275 }
276
277 void put_(keyword k, sint64 v)
278 {
279 add (keyword_str [k], keyword_len [k]);
280 add (' ');
281 add (v); 377 add (v);
282 add ('\n'); 378 fadd ('\n');
283 } 379 }
284 380
285 void put_(keyword k, sint32 v) 381 void put_(const keyword_string k, sint32 v)
286 { 382 {
287 add (keyword_str [k], keyword_len [k]); 383 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
384 fadd (k.s, k.l);
288 add (' '); 385 fadd (' ');
289 add (v); 386 add (v);
290 add ('\n'); 387 fadd ('\n');
291 } 388 }
292 389
293 void put (keyword kbeg, keyword kend, const shstr &v) 390 void put (const keyword_string k, float v) { put (k, (double)v); }
294 { 391 void put (const keyword_string k, signed char v) { put_(k, (sint32)v); }
295 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 392 void put (const keyword_string k, unsigned char v) { put_(k, (sint32)v); }
393 void put (const keyword_string k, signed short v) { put_(k, (sint32)v); }
394 void put (const keyword_string k, unsigned short v) { put_(k, (sint32)v); }
395 void put (const keyword_string k, signed int v) { put_(k, (sint32)v); }
396 void put (const keyword_string k, unsigned int v) { put_(k, (sint64)v); }
397 void put (const keyword_string k, signed long v) { put_(k, (sint64)v); }
398 void put (const keyword_string k, unsigned long v) { put_(k, (sint64)v); }
399 void put (const keyword_string k, signed long long v) { put_(k, (sint64)v); }
400 void put (const keyword_string k, unsigned long long v) { put_(k, (sint64)v); }
296 401
297 if (v) 402 void put (const keyword_string kbeg, const keyword_string kend, shstr_tmp v)
403 {
404 force (MAX_KEYWORD_LEN + 1);
405 fadd (kbeg.s, kbeg.l); fadd ('\n');
406
407 if (expect_true (v))
298 { 408 {
299 add (v); 409 add (v);
300 add ('\n'); 410 add ('\n');
301 } 411 }
302 412
303 add (keyword_str [kend], keyword_len [kend]); add ('\n'); 413 force (MAX_KEYWORD_LEN + 1);
414 fadd (kend.s, kend.l); fadd ('\n');
304 } 415 }
305 416
306 void put (keyword k, float v) { put (k, (double)v); } 417 void put (const keyword_string k, archetype *v);
307 void put (keyword k, signed char v) { put_(k, (sint32)v); } 418 void put (const keyword_string k, treasurelist *v);
308 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 419 void put (const keyword_string k, faceinfo *v);
309 void put (keyword k, signed short v) { put_(k, (sint32)v); }
310 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
311 void put (keyword k, signed int v) { put_(k, (sint32)v); }
312 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
313 void put (keyword k, signed long v) { put_(k, (sint64)v); }
314 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
315 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
316 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
317 420
318 template<typename T> 421 template<typename T>
319 void put (keyword k, const T *v)
320 {
321 if (v)
322 put (k, v->name);
323 else
324 put (k, (const char *)0);
325 }
326
327 template<typename T>
328 void put (keyword k, const refptr<T> &v) 422 void put (const keyword_string k, const refptr<T> &v)
329 { 423 {
330 put (k, (T *)v); 424 put (k, (T *)v);
331 } 425 }
332 426
333 bool save (const char *path); 427 MTH bool save (const_octet_string path);
334 char *as_string (); // like strdup 428 utf8_string as_string (); // like strdup
335 429
336 operator bool () { return !!av; } 430 operator bool () { return !!av; }
337}; 431};
338 432
339// compatibility support, should be removed when no longer needed 433INTERFACE_CLASS(object_thawer)
340void fprintf (object_freezer &freezer, const char *format, ...);
341void fputs (const char *s, object_freezer &freezer);
342
343struct object_thawer 434struct object_thawer
344{ 435{
436 char *line; // current beginning of line
345 SV *text; // text part 437 SV *text; // text part
346 AV *av; // perl part 438 AV *av; // perl part
347 int linenum; 439 int linenum;
348 char *line; // current beginning of line
349 keyword kw; 440 keyword kw;
350 char *kw_str, *value; 441 char *kw_str; // the keyword parsed, as string
442 char *value; // the value, or 0 if no value
443 const char *value_nn; // the value, or the empty string if no value
351 const char *name; 444 const char *name;
352 445
353 operator bool () { return !!text; } 446 operator bool () const { return !!text; }
354 447
355 object_thawer (const char *path = 0); 448 object_thawer (const_utf8_string path = 0);
356 object_thawer (const char *data, AV *perlav); 449 object_thawer (const_utf8_string data, AV *perlav);
357 ~object_thawer (); 450 ~object_thawer ();
358 451
359 void get (attachable *obj, int oid); 452 void get (attachable *obj, int oid);
360 453
361 // parse next line 454 // parse next line
362 void next (); 455 MTH void next ();
363 // skip the current key-value (usually fetch next line, for 456 // skip the current key-value (usually fetch next line, for
364 // multiline-fields, skips untilt he corresponding end-kw 457 // multiline-fields, skips till the corresponding end-kw
365 void skip (); 458 MTH void skip ();
459 MTH void skip_block (); // skips till and over KW_end
366 460
367 //TODO: remove, deprecated 461 bool has_value () { return value; }
368 keyword get_kv () 462 const_utf8_string get_str () { return value_nn; } // empty string when missing
369 { 463 void get_ml (keyword kend, shstr &sh);
370 next ();
371 return kw;
372 }
373 464
374 char *get_str () { return value; } // may be 0
375
376 void get (shstr &sh) const;
377 void get_ornull (shstr &sh) const { sh = value; } 465 void get_ornull (shstr &sh) const { sh = value; }
378 void get_ml (keyword kend, shstr &sh); 466 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
379 467
468 bool get_bool () const { return *value_nn == '1'; }
380 sint32 get_sint32 () const; 469 sint32 get_sint32 () const;
381 sint64 get_sint64 () const; 470 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
382 double get_double () const; 471 double get_double () const { return strtod (value_nn, 0); }
383 472
384 void get (float &v) { v = get_double (); } 473 void get (float &v) { v = get_double (); }
385 void get (double &v) { v = get_double (); } 474 void get (double &v) { v = get_double (); }
386 475
387 void get (bool &i) { i = get_sint32 (); } 476 void get (bool &i) { i = get_bool (); }
388 void get (sint8 &i) { i = get_sint32 (); } 477 void get (sint8 &i) { i = get_sint32 (); }
389 void get (uint8 &i) { i = get_sint32 (); } 478 void get (uint8 &i) { i = get_sint32 (); }
390 void get (sint16 &i) { i = get_sint32 (); } 479 void get (sint16 &i) { i = get_sint32 (); }
391 void get (uint16 &i) { i = get_sint32 (); } 480 void get (uint16 &i) { i = get_sint32 (); }
392 void get (sint32 &i) { i = get_sint32 (); } 481 void get (sint32 &i) { i = get_sint32 (); }
393 482
394 void get (uint32 &i) { i = get_sint64 (); } 483 void get (uint32 &i) { i = get_sint64 (); }
395 void get (sint64 &i) { i = get_sint64 (); } 484 void get (sint64 &i) { i = get_sint64 (); }
396 485
486 MTH void parse_warn (const_utf8_string msg);
397 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 487 MTH bool parse_error (const_utf8_string type = 0, const_utf8_string name = 0, bool skip = true);
488
489 struct delayed_ref {
490 attachable *op;
491 object_ptr *ptr;
492 const_utf8_string ref;
493 };
494 std::vector<delayed_ref> delrefs;
495
496 void delayed_deref (attachable *op, object_ptr &ptr, const_utf8_string ref);
497 MTH void resolve_delayed_derefs (bool deref = true);
398}; 498};
399 499
400//TODO: remove 500//TODO: remove
401char *fgets (char *s, int n, object_thawer &thawer); 501char *fgets (char *s, int n, object_thawer &thawer);
402 502
403////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 503//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
404 504
405struct coroapi { 505struct coroapi {
406 static struct CoroAPI *GCoroAPI; 506 static struct CoroAPI *GCoroAPI;
407 507
508 static EV_ATOMIC_T cede_pending;
509
408 static int nready () { return CORO_NREADY; } 510 static int nready () { return CORO_NREADY; }
409 static int cede () { return CORO_CEDE ; } 511 static int cede () { cede_pending = 0; return CORO_CEDE ; }
410 512
411 static int cede_counter; 513 static void do_cede_to_tick ();
412 514
413 static void cede_every (int count) 515 // actually cede's far more often
516 static bool cede_to_tick ()
414 { 517 {
415 if (++cede_counter >= count) 518 if (expect_true (!cede_pending))
416 { 519 return false;
417 cede_counter = 0;
418 520
419 if (coroapi::nready ()) 521 do_cede_to_tick ();
420 coroapi::cede (); 522 return true;
421 }
422 } 523 }
423};
424 524
425struct watcher_base 525 static void wait_for_tick ();
526 static void wait_for_tick_begin ();
527};
528
529struct evapi
426{ 530{
427 static struct EventAPI *GEventAPI; 531 static struct EVAPI *GEVAPI;
428}; 532};
429 533
430template<class base>
431struct watcher : watcher_base
432{
433 base *pe;
434
435 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
436 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
437 void now () { GEventAPI->now ((pe_watcher *)pe); }
438 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
439 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
440
441 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
442
443 ~watcher ()
444 {
445 cancel ();
446 }
447
448private:
449 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
450};
451
452struct iw : watcher<pe_idle>, callback<void (iw &)>
453{
454 template<class O, class M>
455 iw (O object, M method)
456 : callback<void (iw &)> (object, method)
457 {
458 alloc ();
459 }
460
461private:
462 void alloc ();
463};
464
465struct iow : watcher<pe_io>, callback<void (iow &, int)> 534struct iow : ev_io, evapi, callback<void (iow &, int)>
466{ 535{
536 static void thunk (EV_P_ struct ev_io *w_, int revents)
537 {
538 iow &w = *static_cast<iow *>(w_);
539
540 w (w, revents);
541 }
542
467 template<class O, class M> 543 template<class O, class M>
468 iow (O object, M method) 544 iow (O object, M method)
469 : callback<void (iow &, int)> (object, method) 545 : callback<void (iow &, int)> (object, method)
470 { 546 {
471 alloc (); 547 ev_init ((ev_io *)this, thunk);
472 } 548 }
473 549
474 void fd (int fd); 550 void prio (int prio)
475 int poll (); 551 {
552 ev_set_priority ((ev_io *)this, prio);
553 }
554
555 void set (int fd, int events)
556 {
557 ev_io_set ((ev_io *)this, fd, events);
558 }
559
560 int poll () const { return events; }
561
476 void poll (int events); 562 void poll (int events);
477 563
478private: 564 void start ()
479 void alloc (); 565 {
566 ev_io_start (EV_DEFAULT, (ev_io *)this);
567 }
568
569 void stop ()
570 {
571 ev_io_stop (EV_DEFAULT, (ev_io *)this);
572 }
573
574 ~iow ()
575 {
576 stop ();
577 }
578};
579
580struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
581{
582 static void thunk (EV_P_ struct ev_async *w_, int revents)
583 {
584 asyncw &w = *static_cast<asyncw *>(w_);
585
586 w (w, revents);
587 }
588
589 template<class O, class M>
590 asyncw (O object, M method)
591 : callback<void (asyncw &, int)> (object, method)
592 {
593 ev_init ((ev_async *)this, thunk);
594 }
595
596 void start ()
597 {
598 ev_async_start (EV_DEFAULT, (ev_async *)this);
599 }
600
601 void stop ()
602 {
603 ev_async_stop (EV_DEFAULT, (ev_async *)this);
604 }
605
606 ~asyncw ()
607 {
608 stop ();
609 }
480}; 610};
481 611
482#endif 612#endif
483 613

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