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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.51 by root, Tue Jan 23 03:56:45 2007 UTC vs.
Revision 1.118 by root, Tue Apr 6 21:11:48 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));
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); }
54 85
55#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 86#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
56#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 87#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))) 88#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; 89#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
59#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 90#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
60 91
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 93
63void cfperl_init (); 94void cfperl_init ();
64void cfperl_main (); 95void cfperl_main ();
96void cfperl_tick ();
65void cfperl_emergency_save (); 97void cfperl_emergency_save ();
98void cfperl_cleanup (int make_core);
99void cfperl_make_book (object *book, int level);
100void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg);
101int cfperl_can_merge (object *ob1, object *ob2);
102void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
66 103
67////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 104bool is_match_expr (const_utf8_string expr);
105// applies the match expression and returns true if it matches
106bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
107// same as above, but returns the first object found, or 0
108object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
68 109
110//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
111
112#if IVSIZE >= 8
113 typedef IV val64;
114 typedef IV uval64;
115# define newSVval64 newSViv
116# define SvVAL64 SvIV
117# define newSVuval64 newSVuv
118# define SvUVAL64 SvUV
119#else
120 typedef double val64;
121 typedef double uval64;
122# define newSVval64 newSVnv
123# define SvVAL64 SvNV
124# define newSVuval64 newSVnv
125# define SvUVAL64 SvNV
126#endif
127
69// virtual server time, excluding time jumps and lag 128extern tstamp runtime; // virtual server time, excluding time jumps and lag
70extern double runtime; 129extern tstamp NOW; // real time of current server tick
71 130
72enum event_klass 131enum event_klass
73{ 132{
74 KLASS_NONE, 133 KLASS_NONE,
75 KLASS_GLOBAL, 134 KLASS_GLOBAL,
86# define def(klass,name) EVENT_ ## klass ## _ ## name, 145# define def(klass,name) EVENT_ ## klass ## _ ## name,
87# include "eventinc.h" 146# include "eventinc.h"
88# undef def 147# undef def
89 NUM_EVENT_TYPES 148 NUM_EVENT_TYPES
90}; 149};
150
151// in which global events or per-type events are we interested
152extern bitset<NUM_EVENT_TYPES> ev_want_event;
153extern bitset<NUM_TYPES> ev_want_type;
91 154
92#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 155#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
93#define ARG_INT(v) DT_INT , static_cast<int> (v) 156#define ARG_INT(v) DT_INT , static_cast<int> (v)
94#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 157#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
95#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 158#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
102#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 165#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
103#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 166#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
104#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 167#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
105 168
106// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 169// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
107 170#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
108// all these return true when the normal event processing should be skipped (if any)
109#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 171#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
110#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 172#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
111#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 173#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
112#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 174#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
113#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 175#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
114#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 176#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
115 177
116//TODO should index into @result 178//TODO should index into @result
117#define RESULT(idx,type) cfperl_result_ ## type (idx) 179#define RESULT(idx,type) cfperl_result_ ## type (idx)
118#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 180#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
119#define RESULT_INT(idx) RESULT(idx, INT) 181#define RESULT_INT(idx) RESULT(idx, INT)
122int cfperl_result_INT (int idx); 184int cfperl_result_INT (int idx);
123 185
124////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 186//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
125 187
126INTERFACE_CLASS (attachable) 188INTERFACE_CLASS (attachable)
127struct attachable 189struct attachable : refcnt_base
128{ 190{
129 static MGVTBL vtbl; 191 static MGVTBL vtbl;
192
193 enum {
194 F_DESTROYED = 0x01,
195 F_DEBUG_TRACE = 0x02,
196 };
197 uint8 ACC (RW, attachable_flags);
130 198
131 static unordered_vector<attachable *> mortals; 199 static unordered_vector<attachable *> mortals;
132 MTH static void check_mortals (); 200 MTH static void check_mortals ();
133 201
134 enum {
135 F_DESTROYED = 0x01,
136 };
137
138 // object is delete'd after the refcount reaches 0 202 // object is delete'd after the refcount reaches 0
139 mutable int ACC (RW, refcnt);
140 int ACC (RW, flags);
141
142 MTH void refcnt_inc () const { ++refcnt; }
143 MTH void refcnt_dec () const { --refcnt; }
144
145 MTH int refcnt_cnt () const; 203 MTH int refcnt_cnt () const;
146 // check wether the object has died and destroy 204 // check wether the object has died and destroy
147 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 205 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
148 206
149 // destroy the object unless it was already destroyed 207 // destroy the object unless it was already destroyed
150 // this politely asks everybody interested the reduce 208 // this politely asks everybody interested the reduce
151 // the refcount to 0 as soon as possible. 209 // the refcount to 0 as soon as possible.
152 MTH void destroy (); 210 MTH void destroy ();
153 211
154 // return wether an object was destroyed already 212 // return wether an object was destroyed already
155 MTH bool destroyed () const { return flags & F_DESTROYED; } 213 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
156 214
157 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 215 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
158 216
159#if 0 217#if 0
160private: 218private:
164 222
165 HV *self; // CF+ perl self 223 HV *self; // CF+ perl self
166 AV *cb; // CF+ callbacks 224 AV *cb; // CF+ callbacks
167 shstr attach; // generic extension attachment information 225 shstr attach; // generic extension attachment information
168 226
227 void sever_self (); // sever this object from its self, if it has one.
169 void optimise (); // possibly save some memory by destroying unneeded data 228 void optimise (); // possibly save some memory by destroying unneeded data
170 229
171 attachable () 230 attachable ()
172 : flags (0), refcnt (0), self (0), cb (0), attach (0) 231 : attachable_flags (0), self (0), cb (0), attach (0)
173 { 232 {
174 } 233 }
175 234
176 attachable (const attachable &src) 235 attachable (const attachable &src)
177 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 236 : attachable_flags (0), self (0), cb (0), attach (src.attach)
178 { 237 {
179 } 238 }
180 239
181 virtual ~attachable (); 240 // set a custom key to the given value, or delete it if value = 0
241 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
242
243 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
244 {
245 set_key (key, value, 1);
246 }
247
248 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
249 {
250 set_key (key, value, 0);
251 }
182 252
183 attachable &operator =(const attachable &src); 253 attachable &operator =(const attachable &src);
184 254
255 // used to _quickly_ decide wether to shortcut the evaluation
256 bool should_invoke (event_type event)
257 {
258 return ev_want_event [event] || cb;
259 }
260
185 bool invoke (event_type event, ...); 261 bool invoke (event_type event, ...);
262
186 MTH void instantiate (); 263 MTH void instantiate ();
187 void reattach (); 264 void reattach ();
188 265
189protected: 266protected:
190 // do the real refcount checking work 267 // do the real refcount checking work
191 void do_check (); 268 void do_check ();
192 269
193 // the method that does the real destroy work 270 // the method that does the real destroy work
194 virtual void do_destroy (); 271 virtual void do_destroy ();
272
273 // destructor is protected, should not be called by anybody
274 virtual ~attachable ();
195}; 275};
196 276
197// the global object is a pseudo object that cares for the global events 277// the global object is a pseudo object that cares for the global events
198struct global : attachable 278struct global : attachable
199{ 279{
202 282
203extern struct global gbl_ev; 283extern struct global gbl_ev;
204 284
205////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 285//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
206 286
287// a little dirty hack, maybe unify with something else at a later time
288struct keyword_string
289{
290 const char *s;
291 const int l;
292
293 keyword_string (const char *s, int l)
294 : s(s), l(l)
295 { }
296
297 keyword_string (keyword kw)
298 : s(keyword_str [kw]), l(keyword_len [kw])
299 {
300 }
301
302 keyword_string (shstr_tmp sh)
303 : s(&sh), l(sh.length ())
304 {
305 }
306};
307
308#define CS(keyword) keyword_string (# keyword, sizeof (# keyword) - 1)
309#define KW(keyword) CS(keyword)
310
311INTERFACE_CLASS(object_freezer)
207struct object_freezer : dynbuf 312struct object_freezer : dynbuf_text
208{ 313{
209 AV *av; 314 AV *av;
210 315
211 object_freezer (); 316 object_freezer ();
212 ~object_freezer (); 317 ~object_freezer ();
213 318
319 // serialise perl part
214 void put (attachable *ext); 320 void put_ (attachable *ext);
215 321 void put (attachable *ext)
216 // used only for user-defined key-value pairs
217 void put (const shstr &k, const shstr &v)
218 { 322 {
323 if (expect_false (ext->self))
324 put_ (ext);
325 }
326
327 // null value (== no space after keyword)
328 void put (const keyword_string k)
329 {
330 char *p = force (k.l + 1);
331 memcpy (p, k.s, k.l); p += k.l; *p++ = '\n';
332 alloc (p);
333 }
334
335 void put (const keyword_string k, const keyword_string v)
336 {
337 char *p = force (k.l + 1 + v.l + 1);
338 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
339 memcpy (p, v.s, v.l); p += v.l; *p++ = '\n';
340 alloc (p);
341 }
342
343 void put (const keyword_string k, const_utf8_string v)
344 {
345 if (expect_true (v))
346 put (k, keyword_string (v, strlen (v)));
347 else
348 put (k);
349 }
350
351 void put (const keyword_string k, shstr_tmp v)
352 {
353 put (k, keyword_string (v));
354 }
355
356 void put (const keyword_string k, double v)
357 {
358 char *p = force (MAX_KEYWORD_LEN + 2 + 32);
359 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
360 p += sprintf (p, "%.7g", v); *p++ = '\n';
361 alloc (p);
362 }
363
364 void put_(const keyword_string k, sint64 v)
365 {
366 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
219 add (k); 367 fadd (k.s, k.l);
220
221 if (v)
222 add (' '), add (v);
223
224 add ('\n');
225 }
226
227 //TODO//temporary, used only for saving body locations
228 void put (const char *k, int v)
229 {
230 add (k);
231 add (' '); 368 fadd (' ');
232 add (sint32 (v));
233 add ('\n');
234 }
235
236 template<typename T>
237 void put_string (keyword k, const T &v)
238 {
239 int klen = keyword_len [k];
240 int vlen = v ? strlen (v) + 1 : 0;
241
242 char *p = (char *)alloc (klen + vlen + 1);
243
244 memcpy (p, keyword_str [k], klen); p += klen;
245
246 if (v)
247 {
248 *p++ = ' '; vlen--;
249 memcpy (p, v, vlen); p += vlen;
250 }
251
252 *p = '\n';
253 }
254
255 void put (keyword k, const char *v = 0)
256 {
257 put_string (k, v);
258 }
259
260 void put (keyword k, const shstr &v)
261 {
262 put_string (k, v);
263 }
264
265 void put (keyword k, double v)
266 {
267 char buf [128];
268
269 snprintf (buf, 128, "%.7g", v);
270
271 put (k, (const char *)buf);
272 }
273
274 void put_(keyword k, sint64 v)
275 {
276 add (keyword_str [k], keyword_len [k]);
277 add (' ');
278 add (v); 369 add (v);
279 add ('\n'); 370 fadd ('\n');
280 } 371 }
281 372
282 void put_(keyword k, sint32 v) 373 void put_(const keyword_string k, sint32 v)
283 { 374 {
284 add (keyword_str [k], keyword_len [k]); 375 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
376 fadd (k.s, k.l);
285 add (' '); 377 fadd (' ');
286 add (v); 378 add (v);
287 add ('\n'); 379 fadd ('\n');
288 } 380 }
289 381
290 void put (keyword kbeg, keyword kend, const shstr &v) 382 void put (const keyword_string k, float v) { put (k, (double)v); }
291 { 383 void put (const keyword_string k, signed char v) { put_(k, (sint32)v); }
292 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 384 void put (const keyword_string k, unsigned char v) { put_(k, (sint32)v); }
385 void put (const keyword_string k, signed short v) { put_(k, (sint32)v); }
386 void put (const keyword_string k, unsigned short v) { put_(k, (sint32)v); }
387 void put (const keyword_string k, signed int v) { put_(k, (sint32)v); }
388 void put (const keyword_string k, unsigned int v) { put_(k, (sint64)v); }
389 void put (const keyword_string k, signed long v) { put_(k, (sint64)v); }
390 void put (const keyword_string k, unsigned long v) { put_(k, (sint64)v); }
391 void put (const keyword_string k, signed long long v) { put_(k, (sint64)v); }
392 void put (const keyword_string k, unsigned long long v) { put_(k, (sint64)v); }
293 393
294 if (v) 394 void put (const keyword_string kbeg, const keyword_string kend, shstr_tmp v)
395 {
396 force (MAX_KEYWORD_LEN + 1);
397 fadd (kbeg.s, kbeg.l); fadd ('\n');
398
399 if (expect_true (v))
295 { 400 {
296 add (v); 401 add (v);
297 add ('\n'); 402 add ('\n');
298 } 403 }
299 404
300 add (keyword_str [kend], keyword_len [kend]); add ('\n'); 405 force (MAX_KEYWORD_LEN + 1);
406 fadd (kend.s, kend.l); fadd ('\n');
301 } 407 }
302 408
303 void put (keyword k, float v) { put (k, (double)v); } 409 void put (const keyword_string k, archetype *v);
304 void put (keyword k, signed char v) { put_(k, (sint32)v); } 410 void put (const keyword_string k, treasurelist *v);
305 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 411 void put (const keyword_string k, faceinfo *v);
306 void put (keyword k, signed short v) { put_(k, (sint32)v); }
307 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
308 void put (keyword k, signed int v) { put_(k, (sint32)v); }
309 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
310 void put (keyword k, signed long v) { put_(k, (sint64)v); }
311 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
312 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
313 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
314 412
315 template<typename T> 413 template<typename T>
316 void put (keyword k, const T *v)
317 {
318 if (v)
319 put (k, v->name);
320 else
321 put (k, (const char *)0);
322 }
323
324 template<typename T>
325 void put (keyword k, const refptr<T> &v) 414 void put (const keyword_string k, const refptr<T> &v)
326 { 415 {
327 put (k, (T *)v); 416 put (k, (T *)v);
328 } 417 }
329 418
330 bool save (const char *path); 419 MTH bool save (const_octet_string path);
331 char *as_string (); // like strdup 420 utf8_string as_string (); // like strdup
332 421
333 operator bool () { return !!av; } 422 operator bool () { return !!av; }
334}; 423};
335 424
336// compatibility support, should be removed when no longer needed 425INTERFACE_CLASS(object_thawer)
337int fprintf (object_freezer &freezer, const char *format, ...);
338int fputs (const char *s, object_freezer &freezer);
339
340struct object_thawer 426struct object_thawer
341{ 427{
428 char *line; // current beginning of line
342 SV *text; // text part 429 SV *text; // text part
343 AV *av; // perl part 430 AV *av; // perl part
344 char *line; // current beginning of line 431 int linenum;
345 char *last_keyword, *last_value; 432 keyword kw;
433 char *kw_str; // the keyword parsed, as string
434 char *value; // the value, or 0 if no value
435 const char *value_nn; // the value, or the empty string if no value
346 const char *name; 436 const char *name;
347 437
348 operator bool () { return !!text; } 438 operator bool () const { return !!text; }
349 439
350 object_thawer (const char *path = 0); 440 object_thawer (const_utf8_string path = 0);
351 object_thawer (const char *data, AV *perlav); 441 object_thawer (const_utf8_string data, AV *perlav);
352 ~object_thawer (); 442 ~object_thawer ();
353 443
354 void get (attachable *obj, int oid); 444 void get (attachable *obj, int oid);
355 445
356 keyword get_kv (); // also parse value for later use 446 // parse next line
357 void skip_kv (keyword kw); 447 MTH void next ();
448 // skip the current key-value (usually fetch next line, for
449 // multiline-fields, skips till the corresponding end-kw
450 MTH void skip ();
451 MTH void skip_block (); // skips till and over KW_end
358 452
359 const char *get_str () { return last_value; } // may be 0 453 bool has_value () { return value; }
360 454 const_utf8_string get_str () { return value_nn; } // empty string when missing
361 void get (shstr &sh) const;
362 void get_ornull (shstr &sh) const { sh = last_value; }
363 void get_ml (keyword kend, shstr &sh); 455 void get_ml (keyword kend, shstr &sh);
364 456
457 void get_ornull (shstr &sh) const { sh = value; }
458 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
459
460 bool get_bool () const { return *value_nn == '1'; }
365 sint32 get_sint32 () const; 461 sint32 get_sint32 () const;
366 sint64 get_sint64 () const; 462 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
367 double get_double () const; 463 double get_double () const { return strtod (value_nn, 0); }
368 464
369 void get (float &v) { v = get_double (); } 465 void get (float &v) { v = get_double (); }
370 void get (double &v) { v = get_double (); } 466 void get (double &v) { v = get_double (); }
371 467
372 void get (bool &i) { i = get_sint32 (); } 468 void get (bool &i) { i = get_bool (); }
373 void get (sint8 &i) { i = get_sint32 (); } 469 void get (sint8 &i) { i = get_sint32 (); }
374 void get (uint8 &i) { i = get_sint32 (); } 470 void get (uint8 &i) { i = get_sint32 (); }
375 void get (sint16 &i) { i = get_sint32 (); } 471 void get (sint16 &i) { i = get_sint32 (); }
376 void get (uint16 &i) { i = get_sint32 (); } 472 void get (uint16 &i) { i = get_sint32 (); }
377 void get (sint32 &i) { i = get_sint32 (); } 473 void get (sint32 &i) { i = get_sint32 (); }
378 474
379 void get (uint32 &i) { i = get_sint64 (); } 475 void get (uint32 &i) { i = get_sint64 (); }
380 void get (sint64 &i) { i = get_sint64 (); } 476 void get (sint64 &i) { i = get_sint64 (); }
381};
382 477
478 MTH void parse_warn (const_utf8_string msg);
479 MTH bool parse_error (const_utf8_string type = 0, const_utf8_string name = 0, bool skip = true);
480
481 struct delayed_ref {
482 attachable *op;
483 object_ptr *ptr;
484 const_utf8_string ref;
485 };
486 std::vector<delayed_ref> delrefs;
487
488 void delayed_deref (attachable *op, object_ptr &ptr, const_utf8_string ref);
489 MTH void resolve_delayed_derefs (bool deref = true);
490};
491
492//TODO: remove
383char *fgets (char *s, int n, object_thawer &thawer); 493char *fgets (char *s, int n, object_thawer &thawer);
384 494
385////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 495//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
386 496
387struct coroapi { 497struct coroapi {
388 static struct CoroAPI *GCoroAPI; 498 static struct CoroAPI *GCoroAPI;
389 499
500 static EV_ATOMIC_T cede_pending;
501
390 static int nready () { return CORO_NREADY; } 502 static int nready () { return CORO_NREADY; }
391 static int cede () { return CORO_CEDE ; } 503 static int cede () { cede_pending = 0; return CORO_CEDE ; }
392 504
393 static int cede_counter; 505 static void do_cede_to_tick ();
394 506
395 static void cede_every (int count) 507 // actually cede's far more often
508 static bool cede_to_tick ()
396 { 509 {
397 if (++cede_counter >= count) 510 if (expect_true (!cede_pending))
398 { 511 return false;
399 cede_counter = 0;
400 512
401 if (coroapi::nready ()) 513 do_cede_to_tick ();
402 coroapi::cede (); 514 return true;
403 }
404 } 515 }
405};
406 516
407struct watcher_base 517 static void wait_for_tick ();
518 static void wait_for_tick_begin ();
519};
520
521struct evapi
408{ 522{
409 static struct EventAPI *GEventAPI; 523 static struct EVAPI *GEVAPI;
410}; 524};
411 525
412template<class base>
413struct watcher : watcher_base
414{
415 base *pe;
416
417 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
418 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
419 void now () { GEventAPI->now ((pe_watcher *)pe); }
420 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
421 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
422
423 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
424
425 ~watcher ()
426 {
427 cancel ();
428 }
429
430private:
431 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
432};
433
434struct iw : watcher<pe_idle>, callback<void (iw &)>
435{
436 template<class O, class M>
437 iw (O object, M method)
438 : callback<void (iw &)> (object, method)
439 {
440 alloc ();
441 }
442
443private:
444 void alloc ();
445};
446
447struct iow : watcher<pe_io>, callback<void (iow &, int)> 526struct iow : ev_io, evapi, callback<void (iow &, int)>
448{ 527{
528 static void thunk (EV_P_ struct ev_io *w_, int revents)
529 {
530 iow &w = *static_cast<iow *>(w_);
531
532 w (w, revents);
533 }
534
449 template<class O, class M> 535 template<class O, class M>
450 iow (O object, M method) 536 iow (O object, M method)
451 : callback<void (iow &, int)> (object, method) 537 : callback<void (iow &, int)> (object, method)
452 { 538 {
453 alloc (); 539 ev_init ((ev_io *)this, thunk);
454 } 540 }
455 541
456 void fd (int fd); 542 void prio (int prio)
457 int poll (); 543 {
544 ev_set_priority ((ev_io *)this, prio);
545 }
546
547 void set (int fd, int events)
548 {
549 ev_io_set ((ev_io *)this, fd, events);
550 }
551
552 int poll () const { return events; }
553
458 void poll (int events); 554 void poll (int events);
459 555
460private: 556 void start ()
461 void alloc (); 557 {
558 ev_io_start (EV_DEFAULT, (ev_io *)this);
559 }
560
561 void stop ()
562 {
563 ev_io_stop (EV_DEFAULT, (ev_io *)this);
564 }
565
566 ~iow ()
567 {
568 stop ();
569 }
570};
571
572struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
573{
574 static void thunk (EV_P_ struct ev_async *w_, int revents)
575 {
576 asyncw &w = *static_cast<asyncw *>(w_);
577
578 w (w, revents);
579 }
580
581 template<class O, class M>
582 asyncw (O object, M method)
583 : callback<void (asyncw &, int)> (object, method)
584 {
585 ev_init ((ev_async *)this, thunk);
586 }
587
588 void start ()
589 {
590 ev_async_start (EV_DEFAULT, (ev_async *)this);
591 }
592
593 void stop ()
594 {
595 ev_async_stop (EV_DEFAULT, (ev_async *)this);
596 }
597
598 ~asyncw ()
599 {
600 stop ();
601 }
462}; 602};
463 603
464#endif 604#endif
465 605

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