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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.70 by root, Sun May 27 23:56:21 2007 UTC vs.
Revision 1.113 by root, Mon Nov 16 22:31:14 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__
… …
12 34
13#include <EXTERN.h> 35#include <EXTERN.h>
14#include <perl.h> 36#include <perl.h>
15#include <XSUB.h> 37#include <XSUB.h>
16 38
17#include <EventAPI.h> 39#include <EVAPI.h>
18#include <CoroAPI.h> 40#include <CoroAPI.h>
19 41
20#include "util.h" 42#include "util.h"
21#include "keyword.h" 43#include "keyword.h"
22#include "dynbuf.h" 44#include "dynbuf.h"
… …
27// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 49// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
28#undef localtime 50#undef localtime
29#undef srand48 51#undef srand48
30#undef drand48 52#undef drand48
31#undef srandom 53#undef srandom
54#undef opendir
32#undef readdir 55#undef readdir
56#undef closedir
33#undef getprotobyname 57#undef getprotobyname
34#undef gethostbyname 58#undef gethostbyname
35#undef ctime 59#undef ctime
36#undef strerror 60#undef strerror
61#undef _
37 62
38// same here, massive symbol spamming 63// same here, massive symbol spamming
39#undef do_open 64#undef do_open
40#undef do_close 65#undef do_close
41#undef ref 66#undef ref
… …
46#undef random 71#undef random
47#undef crypt 72#undef crypt
48 73
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 74//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50 75
76#define _(msg) (msg)
77#define N_(msg) (msg)
78
79//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
80
51// some macros to simplify perl in-calls 81// some macros to simplify perl in-calls
52 82
53#define CHECK_ERROR \ 83#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \ 84 if (SvTRUE (ERRSV)) \
55 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); }
56 89
57#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)
58#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
59#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 92#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
60#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;
61#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 94#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
62 95
63////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
64 97
65void cfperl_init (); 98void cfperl_init ();
66void cfperl_main (); 99void cfperl_main ();
100void cfperl_tick ();
67void cfperl_emergency_save (); 101void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 102void cfperl_cleanup (int make_core);
69void cfperl_make_book (object *book, int level); 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);
70 107
71////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 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);
72 113
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
73// virtual server time, excluding time jumps and lag 132extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 133extern tstamp NOW; // real time of current server tick
75 134
76enum event_klass 135enum event_klass
77{ 136{
78 KLASS_NONE, 137 KLASS_NONE,
79 KLASS_GLOBAL, 138 KLASS_GLOBAL,
… …
129int cfperl_result_INT (int idx); 188int cfperl_result_INT (int idx);
130 189
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 190//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 191
133INTERFACE_CLASS (attachable) 192INTERFACE_CLASS (attachable)
134struct attachable 193struct attachable : refcnt_base
135{ 194{
136 static MGVTBL vtbl; 195 static MGVTBL vtbl;
137
138 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals ();
140 196
141 enum { 197 enum {
142 F_DESTROYED = 0x01, 198 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 199 F_DEBUG_TRACE = 0x02,
144 }; 200 };
201 uint8 ACC (RW, attachable_flags);
202
203 static unordered_vector<attachable *> mortals;
204 MTH static void check_mortals ();
145 205
146 // object is delete'd after the refcount reaches 0 206 // object is delete'd after the refcount reaches 0
147 int ACC (RW, flags);
148 mutable int ACC (RW, refcnt);
149
150 MTH void refcnt_inc () const { ++refcnt; }
151 MTH void refcnt_dec () const { --refcnt; }
152
153 MTH int refcnt_cnt () const; 207 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 208 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 209 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 210
157 // destroy the object unless it was already destroyed 211 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 212 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 213 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 214 MTH void destroy ();
161 215
162 // return wether an object was destroyed already 216 // return wether an object was destroyed already
163 MTH bool destroyed () const { return flags & F_DESTROYED; } 217 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
164 218
165 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 219 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
166 220
167#if 0 221#if 0
168private: 222private:
… …
176 230
177 void sever_self (); // sever this object from its self, if it has one. 231 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 232 void optimise (); // possibly save some memory by destroying unneeded data
179 233
180 attachable () 234 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 235 : attachable_flags (0), self (0), cb (0), attach (0)
182 { 236 {
183 } 237 }
184 238
185 attachable (const attachable &src) 239 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 240 : attachable_flags (0), self (0), cb (0), attach (src.attach)
187 { 241 {
188 } 242 }
189 243
190 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 }
191 256
192 attachable &operator =(const attachable &src); 257 attachable &operator =(const attachable &src);
193 258
194 // used to _quickly_ device wether to shortcut the evaluation 259 // used to _quickly_ device wether to shortcut the evaluation
195 bool should_invoke (event_type event) 260 bool should_invoke (event_type event)
… …
206 // do the real refcount checking work 271 // do the real refcount checking work
207 void do_check (); 272 void do_check ();
208 273
209 // the method that does the real destroy work 274 // the method that does the real destroy work
210 virtual void do_destroy (); 275 virtual void do_destroy ();
276
277 // destructor is protected, should not be called by anybody
278 virtual ~attachable ();
211}; 279};
212 280
213// 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
214struct global : attachable 282struct global : attachable
215{ 283{
… …
218 286
219extern struct global gbl_ev; 287extern struct global gbl_ev;
220 288
221////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 289//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
222 290
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)
223struct object_freezer : dynbuf_text 316struct object_freezer : dynbuf_text
224{ 317{
225 AV *av; 318 AV *av;
226 319
227 object_freezer (); 320 object_freezer ();
228 ~object_freezer (); 321 ~object_freezer ();
229 322
323 // serialise perl part
230 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 }
231 330
232 // 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
233 void put (const shstr &k, const shstr &v) 347 void put (const keyword_string k, const char *v)
234 { 348 {
235 add (k);
236
237 if (expect_true (v)) 349 if (expect_true (v))
238 add (' '), add (v); 350 put (k, keyword_string (v, strlen (v)));
239 351 else
240 add ('\n'); 352 put (k);
241 } 353 }
242 354
243 template<typename T> 355 void put (const keyword_string k, shstr_tmp v)
244 void put_string (keyword k, const T &v)
245 { 356 {
246 int klen = keyword_len [k]; 357 put (k, keyword_string (v));
247 int vlen = v ? strlen (v) + 1 : 0;
248
249 char *p = (char *)alloc (klen + vlen + 1);
250
251 memcpy (p, keyword_str [k], klen); p += klen;
252
253 if (expect_true (v))
254 {
255 *p++ = ' '; vlen--;
256 memcpy (p, v, vlen); p += vlen;
257 }
258
259 *p = '\n';
260 } 358 }
261 359
262 void put (keyword k, const char *v = 0)
263 {
264 put_string (k, v);
265 }
266
267 void put (keyword k, const shstr &v)
268 {
269 put_string (k, v);
270 }
271
272 void put (keyword k, double v) 360 void put (const keyword_string k, double v)
273 { 361 {
274 force (MAX_KEYWORD_LEN + 2 + 32); 362 char *p = force (MAX_KEYWORD_LEN + 2 + 32);
275 fadd (keyword_str [k], keyword_len [k]); 363 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
276 fadd (' '); 364 p += sprintf (p, "%.7g", v); *p++ = '\n';
277 falloc (sprintf (ptr, "%.7g", v)); 365 alloc (p);
278 fadd ('\n');
279 } 366 }
280 367
281 void put_(keyword k, sint64 v) 368 void put_(const keyword_string k, sint64 v)
282 { 369 {
283 force (MAX_KEYWORD_LEN + 2 + sint64_digits); 370 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
284 fadd (keyword_str [k], keyword_len [k]); 371 fadd (k.s, k.l);
285 fadd (' '); 372 fadd (' ');
286 add (v); 373 add (v);
287 fadd ('\n'); 374 fadd ('\n');
288 } 375 }
289 376
290 void put_(keyword k, sint32 v) 377 void put_(const keyword_string k, sint32 v)
291 { 378 {
292 force (MAX_KEYWORD_LEN + 2 + sint32_digits); 379 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
293 fadd (keyword_str [k], keyword_len [k]); 380 fadd (k.s, k.l);
294 fadd (' '); 381 fadd (' ');
295 add (v); 382 add (v);
296 fadd ('\n'); 383 fadd ('\n');
297 } 384 }
298 385
299 void put (keyword kbeg, keyword kend, const shstr &v) 386 void put (const keyword_string k, float v) { put (k, (double)v); }
387 void put (const keyword_string k, signed char v) { put_(k, (sint32)v); }
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); }
397
398 void put (const keyword_string kbeg, const keyword_string kend, shstr_tmp v)
300 { 399 {
301 force (MAX_KEYWORD_LEN + 1); 400 force (MAX_KEYWORD_LEN + 1);
302 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); 401 fadd (kbeg.s, kbeg.l); fadd ('\n');
303 402
304 if (expect_true (v)) 403 if (expect_true (v))
305 { 404 {
306 add (v); 405 add (v);
307 add ('\n'); 406 add ('\n');
308 } 407 }
309 408
310 force (MAX_KEYWORD_LEN + 1); 409 force (MAX_KEYWORD_LEN + 1);
311 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); 410 fadd (kend.s, kend.l); fadd ('\n');
312 } 411 }
313 412
314 void put (keyword k, float v) { put (k, (double)v); } 413 void put (const keyword_string k, archetype *v);
315 void put (keyword k, signed char v) { put_(k, (sint32)v); } 414 void put (const keyword_string k, treasurelist *v);
316 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 415 void put (const keyword_string k, faceinfo *v);
317 void put (keyword k, signed short v) { put_(k, (sint32)v); }
318 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
319 void put (keyword k, signed int v) { put_(k, (sint32)v); }
320 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
321 void put (keyword k, signed long v) { put_(k, (sint64)v); }
322 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
323 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
324 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
325 416
326 template<typename T> 417 template<typename T>
327 void put (keyword k, const T *v)
328 {
329 if (expect_true (v))
330 put (k, v->name);
331 else
332 put (k, (const char *)0);
333 }
334
335 template<typename T>
336 void put (keyword k, const refptr<T> &v) 418 void put (const keyword_string k, const refptr<T> &v)
337 { 419 {
338 put (k, (T *)v); 420 put (k, (T *)v);
339 } 421 }
340 422
341 bool save (const char *path); 423 MTH bool save (const_octet_string path);
342 char *as_string (); // like strdup 424 char *as_string (); // like strdup
343 425
344 operator bool () { return !!av; } 426 operator bool () { return !!av; }
345}; 427};
346 428
429INTERFACE_CLASS(object_thawer)
347struct object_thawer 430struct object_thawer
348{ 431{
349 char *line; // current beginning of line 432 char *line; // current beginning of line
350 SV *text; // text part 433 SV *text; // text part
351 AV *av; // perl part 434 AV *av; // perl part
352 int linenum; 435 int linenum;
353 keyword kw; 436 keyword kw;
354 char *kw_str; // the keyword parsed, as string 437 char *kw_str; // the keyword parsed, as string
355 char *value; // the value, or 0 if no value 438 char *value; // the value, or 0 if no value
356 char *value_nn; // the value, or the empty string if no value 439 const char *value_nn; // the value, or the empty string if no value
357 const char *name; 440 const char *name;
358 441
359 operator bool () { return !!text; } 442 operator bool () const { return !!text; }
360 443
361 object_thawer (const char *path = 0); 444 object_thawer (const char *path = 0);
362 object_thawer (const char *data, AV *perlav); 445 object_thawer (const char *data, AV *perlav);
363 ~object_thawer (); 446 ~object_thawer ();
364 447
365 void get (attachable *obj, int oid); 448 void get (attachable *obj, int oid);
366 449
367 // parse next line 450 // parse next line
368 void next (); 451 MTH void next ();
369 // skip the current key-value (usually fetch next line, for 452 // skip the current key-value (usually fetch next line, for
370 // multiline-fields, skips untilt he corresponding end-kw 453 // multiline-fields, skips till the corresponding end-kw
371 void skip (); 454 MTH void skip ();
455 MTH void skip_block (); // skips till and over KW_end
372 456
373 //TODO: remove, deprecated 457 bool has_value () { return value; }
374 keyword get_kv () 458 const char *get_str () { return value_nn; } // empty string when missing
375 {
376 next ();
377 return kw;
378 }
379
380 char *get_str () { return value; } // may be 0
381 void get_ml (keyword kend, shstr &sh); 459 void get_ml (keyword kend, shstr &sh);
382 460
383 void get_ornull (shstr &sh) const { sh = value; } 461 void get_ornull (shstr &sh) const { sh = value; }
384 void get (shstr &sh) const { sh = value; } // might want to check for non-null here 462 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
385 463
386 bool get_bool () const { return *value_nn == '1'; } 464 bool get_bool () const { return *value_nn == '1'; }
387 sint32 get_sint32 () const; 465 sint32 get_sint32 () const;
388 sint64 get_sint64 () const { return atoll (value_nn); } 466 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
389 double get_double () const { return atof (value_nn); } 467 double get_double () const { return strtod (value_nn, 0); }
390 468
391 void get (float &v) { v = get_double (); } 469 void get (float &v) { v = get_double (); }
392 void get (double &v) { v = get_double (); } 470 void get (double &v) { v = get_double (); }
393 471
394 void get (bool &i) { i = get_bool (); } 472 void get (bool &i) { i = get_bool (); }
… …
399 void get (sint32 &i) { i = get_sint32 (); } 477 void get (sint32 &i) { i = get_sint32 (); }
400 478
401 void get (uint32 &i) { i = get_sint64 (); } 479 void get (uint32 &i) { i = get_sint64 (); }
402 void get (sint64 &i) { i = get_sint64 (); } 480 void get (sint64 &i) { i = get_sint64 (); }
403 481
482 MTH void parse_warn (const char *msg);
404 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 483 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
484
485 struct delayed_ref {
486 attachable *op;
487 object_ptr *ptr;
488 const char *ref;
489 };
490 std::vector<delayed_ref> delrefs;
491
492 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
493 MTH void resolve_delayed_derefs (bool deref = true);
405}; 494};
406 495
407//TODO: remove 496//TODO: remove
408char *fgets (char *s, int n, object_thawer &thawer); 497char *fgets (char *s, int n, object_thawer &thawer);
409 498
410////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 499//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
411 500
412struct coroapi { 501struct coroapi {
413 static struct CoroAPI *GCoroAPI; 502 static struct CoroAPI *GCoroAPI;
414 503
504 static EV_ATOMIC_T cede_pending;
505
415 static int nready () { return CORO_NREADY; } 506 static int nready () { return CORO_NREADY; }
416 static int cede () { return CORO_CEDE ; } 507 static int cede () { cede_pending = 0; return CORO_CEDE ; }
417 508
418 static double (*time)();
419 static double next_cede;
420 static int cede_counter;
421
422 static void do_cede_every ();
423 static void do_cede_to_tick (); 509 static void do_cede_to_tick ();
424 static void do_cede_to_tick_every ();
425 510
426 static void cede_every (int count) 511 // actually cede's far more often
427 {
428 if (expect_false (++cede_counter >= count))
429 do_cede_every ();
430 }
431
432 static void cede_to_tick () 512 static bool cede_to_tick ()
433 { 513 {
434 if (expect_false (time () >= next_cede)) 514 if (expect_true (!cede_pending))
515 return false;
516
435 do_cede_to_tick (); 517 do_cede_to_tick ();
436 } 518 return true;
437
438 static void cede_to_tick_every (int count)
439 {
440 if (expect_false (++cede_counter >= count))
441 cede_to_tick ();
442 } 519 }
443 520
444 static void wait_for_tick (); 521 static void wait_for_tick ();
445 static void wait_for_tick_begin (); 522 static void wait_for_tick_begin ();
446}; 523};
447 524
448struct watcher_base 525struct evapi
449{ 526{
450 static struct EventAPI *GEventAPI; 527 static struct EVAPI *GEVAPI;
451}; 528};
452 529
453template<class base>
454struct watcher : watcher_base
455{
456 base *pe;
457
458 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
459 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
460 void now () { GEventAPI->now ((pe_watcher *)pe); }
461 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
462 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
463
464 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
465
466 ~watcher ()
467 {
468 cancel ();
469 }
470
471private:
472 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
473};
474
475struct iw : watcher<pe_idle>, callback<void (iw &)>
476{
477 template<class O, class M>
478 iw (O object, M method)
479 : callback<void (iw &)> (object, method)
480 {
481 alloc ();
482 }
483
484private:
485 void alloc ();
486};
487
488struct iow : watcher<pe_io>, callback<void (iow &, int)> 530struct iow : ev_io, evapi, callback<void (iow &, int)>
489{ 531{
532 static void thunk (EV_P_ struct ev_io *w_, int revents)
533 {
534 iow &w = *static_cast<iow *>(w_);
535
536 w (w, revents);
537 }
538
490 template<class O, class M> 539 template<class O, class M>
491 iow (O object, M method) 540 iow (O object, M method)
492 : callback<void (iow &, int)> (object, method) 541 : callback<void (iow &, int)> (object, method)
493 { 542 {
494 alloc (); 543 ev_init ((ev_io *)this, thunk);
495 } 544 }
496 545
497 void fd (int fd); 546 void prio (int prio)
498 int poll (); 547 {
548 ev_set_priority ((ev_io *)this, prio);
549 }
550
551 void set (int fd, int events)
552 {
553 ev_io_set ((ev_io *)this, fd, events);
554 }
555
556 int poll () const { return events; }
557
499 void poll (int events); 558 void poll (int events);
500 559
501private: 560 void start ()
502 void alloc (); 561 {
562 ev_io_start (EV_DEFAULT, (ev_io *)this);
563 }
564
565 void stop ()
566 {
567 ev_io_stop (EV_DEFAULT, (ev_io *)this);
568 }
569
570 ~iow ()
571 {
572 stop ();
573 }
574};
575
576struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
577{
578 static void thunk (EV_P_ struct ev_async *w_, int revents)
579 {
580 asyncw &w = *static_cast<asyncw *>(w_);
581
582 w (w, revents);
583 }
584
585 template<class O, class M>
586 asyncw (O object, M method)
587 : callback<void (asyncw &, int)> (object, method)
588 {
589 ev_init ((ev_async *)this, thunk);
590 }
591
592 void start ()
593 {
594 ev_async_start (EV_DEFAULT, (ev_async *)this);
595 }
596
597 void stop ()
598 {
599 ev_async_stop (EV_DEFAULT, (ev_async *)this);
600 }
601
602 ~asyncw ()
603 {
604 stop ();
605 }
503}; 606};
504 607
505#endif 608#endif
506 609

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