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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.49 by root, Mon Jan 8 01:19:03 2007 UTC vs.
Revision 1.112 by root, Wed Nov 11 23:27:57 2009 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008,2009 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
29#include <cstdarg>
7#include <cstdio> 30#include <cstdio>
31#include <bitset>
8 32
9using namespace std; 33using namespace std;
10 34
11#include <EXTERN.h> 35#include <EXTERN.h>
12#include <perl.h> 36#include <perl.h>
13#include <XSUB.h> 37#include <XSUB.h>
14 38
15#include <EventAPI.h> 39#include <EVAPI.h>
16#include <CoroAPI.h> 40#include <CoroAPI.h>
17 41
18#include "util.h" 42#include "util.h"
19#include "keyword.h" 43#include "keyword.h"
20#include "dynbuf.h" 44#include "dynbuf.h"
25// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 49// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
26#undef localtime 50#undef localtime
27#undef srand48 51#undef srand48
28#undef drand48 52#undef drand48
29#undef srandom 53#undef srandom
54#undef opendir
30#undef readdir 55#undef readdir
56#undef closedir
31#undef getprotobyname 57#undef getprotobyname
32#undef gethostbyname 58#undef gethostbyname
33#undef ctime 59#undef ctime
34#undef strerror 60#undef strerror
61#undef _
35 62
36// same here, massive symbol spamming 63// same here, massive symbol spamming
37#undef do_open 64#undef do_open
38#undef do_close 65#undef do_close
39#undef ref 66#undef ref
44#undef random 71#undef random
45#undef crypt 72#undef crypt
46 73
47////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 74//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48 75
76#define _(msg) (msg)
77#define N_(msg) (msg)
78
79//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
80
49// some macros to simplify perl in-calls 81// some macros to simplify perl in-calls
50 82
51#define CHECK_ERROR \ 83#define CHECK_ERROR \
52 if (SvTRUE (ERRSV)) \ 84 if (SvTRUE (ERRSV)) \
53 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 85 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
86
87inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
88inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
54 89
55#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 90#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 91#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))) 92#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; 93#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
59#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 94#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
60 95
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 97
63void cfperl_init (); 98void cfperl_init ();
64void cfperl_main (); 99void cfperl_main ();
100void cfperl_tick ();
101void cfperl_emergency_save ();
102void cfperl_cleanup (int make_core);
103void cfperl_make_book (object *book, int level);
104void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
105int cfperl_can_merge (object *ob1, object *ob2);
106void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
65 107
66////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 108bool is_match_expr (const char *expr);
109// applies the match expression and returns true if it matches
110bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
111// same as above, but returns the first object found, or 0
112object *match_one (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
67 113
114//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
115
116#if IVSIZE >= 8
117 typedef IV val64;
118 typedef IV uval64;
119# define newSVval64 newSViv
120# define SvVAL64 SvIV
121# define newSVuval64 newSVuv
122# define SvUVAL64 SvUV
123#else
124 typedef double val64;
125 typedef double uval64;
126# define newSVval64 newSVnv
127# define SvVAL64 SvNV
128# define newSVuval64 newSVnv
129# define SvUVAL64 SvNV
130#endif
131
68// virtual server time, excluding time jumps and lag 132extern tstamp runtime; // virtual server time, excluding time jumps and lag
69extern double runtime; 133extern tstamp NOW; // real time of current server tick
70 134
71enum event_klass 135enum event_klass
72{ 136{
73 KLASS_NONE, 137 KLASS_NONE,
74 KLASS_GLOBAL, 138 KLASS_GLOBAL,
85# define def(klass,name) EVENT_ ## klass ## _ ## name, 149# define def(klass,name) EVENT_ ## klass ## _ ## name,
86# include "eventinc.h" 150# include "eventinc.h"
87# undef def 151# undef def
88 NUM_EVENT_TYPES 152 NUM_EVENT_TYPES
89}; 153};
154
155// in which global events or per-type events are we interested
156extern bitset<NUM_EVENT_TYPES> ev_want_event;
157extern bitset<NUM_TYPES> ev_want_type;
90 158
91#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 159#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
92#define ARG_INT(v) DT_INT , static_cast<int> (v) 160#define ARG_INT(v) DT_INT , static_cast<int> (v)
93#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 161#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
94#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 162#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
101#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 169#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
102#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 170#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
103#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 171#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
104 172
105// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 173// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
106 174#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
107// all these return true when the normal event processing should be skipped (if any)
108#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 175#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
109#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 176#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
110#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 177#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
111#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 178#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
112#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 179#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
113#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 180#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
114 181
115//TODO should index into @result 182//TODO should index into @result
116#define RESULT(idx,type) cfperl_result_ ## type (idx) 183#define RESULT(idx,type) cfperl_result_ ## type (idx)
117#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 184#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
118#define RESULT_INT(idx) RESULT(idx, INT) 185#define RESULT_INT(idx) RESULT(idx, INT)
121int cfperl_result_INT (int idx); 188int cfperl_result_INT (int idx);
122 189
123////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 190//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124 191
125INTERFACE_CLASS (attachable) 192INTERFACE_CLASS (attachable)
126struct attachable 193struct attachable : refcnt_base
127{ 194{
128 static MGVTBL vtbl; 195 static MGVTBL vtbl;
196
197 enum {
198 F_DESTROYED = 0x01,
199 F_DEBUG_TRACE = 0x02,
200 };
201 uint8 ACC (RW, attachable_flags);
129 202
130 static unordered_vector<attachable *> mortals; 203 static unordered_vector<attachable *> mortals;
131 MTH static void check_mortals (); 204 MTH static void check_mortals ();
132 205
133 enum {
134 F_DESTROYED = 0x01,
135 F_BORROWED = 0x02,
136 };
137
138 // object is delete'd after the refcount reaches 0 206 // 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; 207 MTH int refcnt_cnt () const;
146 // check wether the object has died and destroy 208 // check wether the object has died and destroy
147 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 209 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
148 210
149 // destroy the object unless it was already destroyed 211 // destroy the object unless it was already destroyed
150 // this politely asks everybody interested the reduce 212 // this politely asks everybody interested the reduce
151 // the refcount to 0 as soon as possible. 213 // the refcount to 0 as soon as possible.
152 MTH void destroy (); 214 MTH void destroy ();
153 215
154 // return wether an object was destroyed already 216 // return wether an object was destroyed already
155 MTH bool destroyed () const { return flags & F_DESTROYED; } 217 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
156 218
157 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 219 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
158 220
159#if 0 221#if 0
160private: 222private:
164 226
165 HV *self; // CF+ perl self 227 HV *self; // CF+ perl self
166 AV *cb; // CF+ callbacks 228 AV *cb; // CF+ callbacks
167 shstr attach; // generic extension attachment information 229 shstr attach; // generic extension attachment information
168 230
231 void sever_self (); // sever this object from its self, if it has one.
169 void optimise (); // possibly save some memory by destroying unneeded data 232 void optimise (); // possibly save some memory by destroying unneeded data
170 233
171 attachable () 234 attachable ()
172 : flags (0), refcnt (0), self (0), cb (0), attach (0) 235 : attachable_flags (0), self (0), cb (0), attach (0)
173 { 236 {
174 } 237 }
175 238
176 attachable (const attachable &src) 239 attachable (const attachable &src)
177 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 240 : attachable_flags (0), self (0), cb (0), attach (src.attach)
178 { 241 {
179 } 242 }
180 243
181 virtual ~attachable (); 244 // set a custom key to the given value, or delete it if value = 0
245 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
246
247 void set_key_text (const char *key, const char *value = 0)
248 {
249 set_key (key, value, 1);
250 }
251
252 void set_key_data (const char *key, const char *value = 0)
253 {
254 set_key (key, value, 0);
255 }
182 256
183 attachable &operator =(const attachable &src); 257 attachable &operator =(const attachable &src);
184 258
259 // used to _quickly_ device wether to shortcut the evaluation
260 bool should_invoke (event_type event)
261 {
262 return ev_want_event [event] || cb;
263 }
264
185 bool invoke (event_type event, ...); 265 bool invoke (event_type event, ...);
266
186 MTH void instantiate (); 267 MTH void instantiate ();
187 void reattach (); 268 void reattach ();
188 269
189protected: 270protected:
190 // do the real refcount checking work 271 // do the real refcount checking work
191 void do_check (); 272 void do_check ();
192 273
193 // the method that does the real destroy work 274 // the method that does the real destroy work
194 virtual void do_destroy (); 275 virtual void do_destroy ();
276
277 // destructor is protected, should not be called by anybody
278 virtual ~attachable ();
195}; 279};
196 280
197// the global object is a pseudo object that cares for the global events 281// the global object is a pseudo object that cares for the global events
198struct global : attachable 282struct global : attachable
199{ 283{
202 286
203extern struct global gbl_ev; 287extern struct global gbl_ev;
204 288
205////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 289//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
206 290
291// a little dirty hack, maybe unify with something else at a later time
292struct keyword_string
293{
294 const char *s;
295 const int l;
296
297 keyword_string (const char *s, int l)
298 : s(s), l(l)
299 { }
300
301 keyword_string (keyword kw)
302 : s(keyword_str [kw]), l(keyword_len [kw])
303 {
304 }
305
306 keyword_string (shstr_tmp sh)
307 : s(&sh), l(sh.length ())
308 {
309 }
310};
311
312#define CS(keyword) keyword_string (# keyword, sizeof (# keyword) - 1)
313#define KW(keyword) CS(keyword)
314
315INTERFACE_CLASS(object_freezer)
207struct object_freezer : dynbuf 316struct object_freezer : dynbuf_text
208{ 317{
209 AV *av; 318 AV *av;
210 319
211 object_freezer (); 320 object_freezer ();
212 ~object_freezer (); 321 ~object_freezer ();
213 322
323 // serialise perl part
214 void put (attachable *ext); 324 void put_ (attachable *ext);
325 void put (attachable *ext)
326 {
327 if (expect_false (ext->self))
328 put_ (ext);
329 }
215 330
216 // used only for user-defined key-value pairs 331 // null value (== no space after keyword)
332 void put (const keyword_string k)
333 {
334 char *p = force (k.l + 1);
335 memcpy (p, k.s, k.l); p += k.l; *p++ = '\n';
336 alloc (p);
337 }
338
339 void put (const keyword_string k, const keyword_string v)
340 {
341 char *p = force (k.l + 1 + v.l + 1);
342 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
343 memcpy (p, v.s, v.l); p += v.l; *p++ = '\n';
344 alloc (p);
345 }
346
217 void put (const shstr &k, const shstr &v) 347 void put (const keyword_string k, const char *v)
218 { 348 {
349 if (expect_true (v))
350 put (k, keyword_string (v, strlen (v)));
351 else
352 put (k);
353 }
354
355 void put (const keyword_string k, shstr_tmp v)
356 {
357 put (k, keyword_string (v));
358 }
359
360 void put (const keyword_string k, double v)
361 {
362 char *p = force (MAX_KEYWORD_LEN + 2 + 32);
363 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
364 p += sprintf (p, "%.7g", v); *p++ = '\n';
365 alloc (p);
366 }
367
368 void put_(const keyword_string k, sint64 v)
369 {
370 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
219 add (k); 371 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 (' '); 372 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); 373 add (v);
279 add ('\n'); 374 fadd ('\n');
280 } 375 }
281 376
282 void put_(keyword k, sint32 v) 377 void put_(const keyword_string k, sint32 v)
283 { 378 {
284 add (keyword_str [k], keyword_len [k]); 379 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
380 fadd (k.s, k.l);
285 add (' '); 381 fadd (' ');
286 add (v); 382 add (v);
287 add ('\n'); 383 fadd ('\n');
288 } 384 }
289 385
290 void put (keyword kbeg, keyword kend, const shstr &v) 386 void put (const keyword_string k, float v) { put (k, (double)v); }
291 { 387 void put (const keyword_string k, signed char v) { put_(k, (sint32)v); }
292 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 388 void put (const keyword_string k, unsigned char v) { put_(k, (sint32)v); }
389 void put (const keyword_string k, signed short v) { put_(k, (sint32)v); }
390 void put (const keyword_string k, unsigned short v) { put_(k, (sint32)v); }
391 void put (const keyword_string k, signed int v) { put_(k, (sint32)v); }
392 void put (const keyword_string k, unsigned int v) { put_(k, (sint64)v); }
393 void put (const keyword_string k, signed long v) { put_(k, (sint64)v); }
394 void put (const keyword_string k, unsigned long v) { put_(k, (sint64)v); }
395 void put (const keyword_string k, signed long long v) { put_(k, (sint64)v); }
396 void put (const keyword_string k, unsigned long long v) { put_(k, (sint64)v); }
293 397
294 if (v) 398 void put (const keyword_string kbeg, const keyword_string kend, shstr_tmp v)
399 {
400 force (MAX_KEYWORD_LEN + 1);
401 fadd (kbeg.s, kbeg.l); fadd ('\n');
402
403 if (expect_true (v))
295 { 404 {
296 add (v); 405 add (v);
297 add ('\n'); 406 add ('\n');
298 } 407 }
299 408
300 add (keyword_str [kend], keyword_len [kend]); add ('\n'); 409 force (MAX_KEYWORD_LEN + 1);
410 fadd (kend.s, kend.l); fadd ('\n');
301 } 411 }
302 412
303 void put (keyword k, float v) { put (k, (double)v); } 413 void put (const keyword_string k, archetype *v);
304 void put (keyword k, signed char v) { put_(k, (sint32)v); } 414 void put (const keyword_string k, treasurelist *v);
305 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 415 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); }
314 416
315 template<typename T> 417 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) 418 void put (const keyword_string k, const refptr<T> &v)
326 { 419 {
327 put (k, (T *)v); 420 put (k, (T *)v);
328 } 421 }
329 422
330 bool save (const char *path); 423 MTH bool save (const_octet_string path);
331 char *as_string (); // like strdup 424 char *as_string (); // like strdup
332 425
333 operator bool () { return !!av; } 426 operator bool () { return !!av; }
334}; 427};
335 428
336// compatibility support, should be removed when no longer needed 429INTERFACE_CLASS(object_thawer)
337int fprintf (object_freezer &freezer, const char *format, ...);
338int fputs (const char *s, object_freezer &freezer);
339
340struct object_thawer 430struct object_thawer
341{ 431{
432 char *line; // current beginning of line
342 SV *text; // text part 433 SV *text; // text part
343 AV *av; // perl part 434 AV *av; // perl part
344 char *line; // current beginning of line 435 int linenum;
345 char *last_keyword, *last_value; 436 keyword kw;
437 char *kw_str; // the keyword parsed, as string
438 char *value; // the value, or 0 if no value
439 const char *value_nn; // the value, or the empty string if no value
346 const char *name; 440 const char *name;
347 441
348 operator bool () { return !!text; } 442 operator bool () const { return !!text; }
349 443
350 object_thawer (const char *path = 0); 444 object_thawer (const char *path = 0);
351 object_thawer (const char *data, AV *perlav); 445 object_thawer (const char *data, AV *perlav);
352 ~object_thawer (); 446 ~object_thawer ();
353 447
354 void get (attachable *obj, int oid); 448 void get (attachable *obj, int oid);
355 449
356 keyword get_kv (); // also parse value for later use 450 // parse next line
357 void skip_kv (keyword kw); 451 MTH void next ();
452 // skip the current key-value (usually fetch next line, for
453 // multiline-fields, skips till the corresponding end-kw
454 MTH void skip ();
455 MTH void skip_block (); // skips till and over KW_end
358 456
359 const char *get_str () { return last_value; } // may be 0 457 char *get_str () { return value; } // may be 0
360
361 void get (shstr &sh) const;
362 void get_ornull (shstr &sh) const { sh = last_value; }
363 void get_ml (keyword kend, shstr &sh); 458 void get_ml (keyword kend, shstr &sh);
364 459
460 void get_ornull (shstr &sh) const { sh = value; }
461 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
462
463 bool get_bool () const { return *value_nn == '1'; }
365 sint32 get_sint32 () const; 464 sint32 get_sint32 () const;
366 sint64 get_sint64 () const; 465 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
367 double get_double () const; 466 double get_double () const { return strtod (value_nn, 0); }
368 467
369 void get (float &v) { v = get_double (); } 468 void get (float &v) { v = get_double (); }
370 void get (double &v) { v = get_double (); } 469 void get (double &v) { v = get_double (); }
371 470
372 void get (bool &i) { i = get_sint32 (); } 471 void get (bool &i) { i = get_bool (); }
373 void get (sint8 &i) { i = get_sint32 (); } 472 void get (sint8 &i) { i = get_sint32 (); }
374 void get (uint8 &i) { i = get_sint32 (); } 473 void get (uint8 &i) { i = get_sint32 (); }
375 void get (sint16 &i) { i = get_sint32 (); } 474 void get (sint16 &i) { i = get_sint32 (); }
376 void get (uint16 &i) { i = get_sint32 (); } 475 void get (uint16 &i) { i = get_sint32 (); }
377 void get (sint32 &i) { i = get_sint32 (); } 476 void get (sint32 &i) { i = get_sint32 (); }
378 477
379 void get (uint32 &i) { i = get_sint64 (); } 478 void get (uint32 &i) { i = get_sint64 (); }
380 void get (sint64 &i) { i = get_sint64 (); } 479 void get (sint64 &i) { i = get_sint64 (); }
381};
382 480
481 MTH void parse_warn (const char *msg);
482 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
483
484 struct delayed_ref {
485 attachable *op;
486 object_ptr *ptr;
487 const char *ref;
488 };
489 std::vector<delayed_ref> delrefs;
490
491 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
492 MTH void resolve_delayed_derefs (bool deref = true);
493};
494
495//TODO: remove
383char *fgets (char *s, int n, object_thawer &thawer); 496char *fgets (char *s, int n, object_thawer &thawer);
384 497
385////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 498//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
386 499
387struct coroapi { 500struct coroapi {
388 static struct CoroAPI *GCoroAPI; 501 static struct CoroAPI *GCoroAPI;
389 502
503 static EV_ATOMIC_T cede_pending;
504
390 static int nready () { return CORO_NREADY; } 505 static int nready () { return CORO_NREADY; }
391 static int cede () { return CORO_CEDE ; } 506 static int cede () { cede_pending = 0; return CORO_CEDE ; }
392 507
393 static int cede_counter; 508 static void do_cede_to_tick ();
394 509
395 static void cede_every (int count) 510 // actually cede's far more often
511 static bool cede_to_tick ()
396 { 512 {
397 if (++cede_counter >= count) 513 if (expect_true (!cede_pending))
398 { 514 return false;
399 cede_counter = 0;
400 515
401 if (coroapi::nready ()) 516 do_cede_to_tick ();
402 coroapi::cede (); 517 return true;
403 }
404 } 518 }
405};
406 519
407struct watcher_base 520 static void wait_for_tick ();
521 static void wait_for_tick_begin ();
522};
523
524struct evapi
408{ 525{
409 static struct EventAPI *GEventAPI; 526 static struct EVAPI *GEVAPI;
410}; 527};
411 528
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)> 529struct iow : ev_io, evapi, callback<void (iow &, int)>
448{ 530{
531 static void thunk (EV_P_ struct ev_io *w_, int revents)
532 {
533 iow &w = *static_cast<iow *>(w_);
534
535 w (w, revents);
536 }
537
449 template<class O, class M> 538 template<class O, class M>
450 iow (O object, M method) 539 iow (O object, M method)
451 : callback<void (iow &, int)> (object, method) 540 : callback<void (iow &, int)> (object, method)
452 { 541 {
453 alloc (); 542 ev_init ((ev_io *)this, thunk);
454 } 543 }
455 544
456 void fd (int fd); 545 void prio (int prio)
457 int poll (); 546 {
547 ev_set_priority ((ev_io *)this, prio);
548 }
549
550 void set (int fd, int events)
551 {
552 ev_io_set ((ev_io *)this, fd, events);
553 }
554
555 int poll () const { return events; }
556
458 void poll (int events); 557 void poll (int events);
459 558
460private: 559 void start ()
461 void alloc (); 560 {
561 ev_io_start (EV_DEFAULT, (ev_io *)this);
562 }
563
564 void stop ()
565 {
566 ev_io_stop (EV_DEFAULT, (ev_io *)this);
567 }
568
569 ~iow ()
570 {
571 stop ();
572 }
573};
574
575struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
576{
577 static void thunk (EV_P_ struct ev_async *w_, int revents)
578 {
579 asyncw &w = *static_cast<asyncw *>(w_);
580
581 w (w, revents);
582 }
583
584 template<class O, class M>
585 asyncw (O object, M method)
586 : callback<void (asyncw &, int)> (object, method)
587 {
588 ev_init ((ev_async *)this, thunk);
589 }
590
591 void start ()
592 {
593 ev_async_start (EV_DEFAULT, (ev_async *)this);
594 }
595
596 void stop ()
597 {
598 ev_async_stop (EV_DEFAULT, (ev_async *)this);
599 }
600
601 ~asyncw ()
602 {
603 stop ();
604 }
462}; 605};
463 606
464#endif 607#endif
465 608

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