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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.64 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.92 by root, Thu Dec 20 08:24:01 2007 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */
23
1// 24//
2// cfperl.h perl interface 25// cfperl.h perl interface
3// 26//
4#ifndef CFPERL_H__ 27#ifndef CFPERL_H__
5#define CFPERL_H__ 28#define CFPERL_H__
… …
12 35
13#include <EXTERN.h> 36#include <EXTERN.h>
14#include <perl.h> 37#include <perl.h>
15#include <XSUB.h> 38#include <XSUB.h>
16 39
17#include <EventAPI.h> 40#include <EVAPI.h>
18#include <CoroAPI.h> 41#include <CoroAPI.h>
19 42
20#include "util.h" 43#include "util.h"
21#include "keyword.h" 44#include "keyword.h"
22#include "dynbuf.h" 45#include "dynbuf.h"
… …
32#undef readdir 55#undef readdir
33#undef getprotobyname 56#undef getprotobyname
34#undef gethostbyname 57#undef gethostbyname
35#undef ctime 58#undef ctime
36#undef strerror 59#undef strerror
60#undef _
37 61
38// same here, massive symbol spamming 62// same here, massive symbol spamming
39#undef do_open 63#undef do_open
40#undef do_close 64#undef do_close
41#undef ref 65#undef ref
… …
46#undef random 70#undef random
47#undef crypt 71#undef crypt
48 72
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50 74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
51// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
52 81
53#define CHECK_ERROR \ 82#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \ 83 if (SvTRUE (ERRSV)) \
55 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 84 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
… …
64 93
65void cfperl_init (); 94void cfperl_init ();
66void cfperl_main (); 95void cfperl_main ();
67void cfperl_emergency_save (); 96void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 97void cfperl_cleanup (int make_core);
98void cfperl_make_book (object *book, int level);
99void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
100int cfperl_can_merge (object *ob1, object *ob2);
69 101
70////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 102//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
71 103
72// virtual server time, excluding time jumps and lag 104extern tstamp runtime; // virtual server time, excluding time jumps and lag
73extern double runtime; 105extern tstamp NOW; // real time of current server tick
74 106
75enum event_klass 107enum event_klass
76{ 108{
77 KLASS_NONE, 109 KLASS_NONE,
78 KLASS_GLOBAL, 110 KLASS_GLOBAL,
… …
109#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 141#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
110#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 142#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
111#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 143#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
112 144
113// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 145// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
114 146#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
115// all these return true when the normal event processing should be skipped (if any)
116#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 147#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
117#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 148#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
118#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 149#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
119#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 150#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
120#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 151#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
121#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 152#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
122 153
123//TODO should index into @result 154//TODO should index into @result
124#define RESULT(idx,type) cfperl_result_ ## type (idx) 155#define RESULT(idx,type) cfperl_result_ ## type (idx)
125#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 156#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
126#define RESULT_INT(idx) RESULT(idx, INT) 157#define RESULT_INT(idx) RESULT(idx, INT)
… …
129int cfperl_result_INT (int idx); 160int cfperl_result_INT (int idx);
130 161
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 162//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 163
133INTERFACE_CLASS (attachable) 164INTERFACE_CLASS (attachable)
134struct attachable 165struct attachable : refcnt_base
135{ 166{
136 static MGVTBL vtbl; 167 static MGVTBL vtbl;
137 168
138 static unordered_vector<attachable *> mortals; 169 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals (); 170 MTH static void check_mortals ();
140 171
141 enum { 172 enum {
142 F_DESTROYED = 0x01, 173 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 174 F_DEBUG_TRACE = 0x02,
144 }; 175 };
176 int ACC (RW, flags);
145 177
146 // object is delete'd after the refcount reaches 0 178 // 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; 179 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 180 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 182
157 // destroy the object unless it was already destroyed 183 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 184 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 185 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 186 MTH void destroy ();
… …
176 202
177 void sever_self (); // sever this object from its self, if it has one. 203 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 204 void optimise (); // possibly save some memory by destroying unneeded data
179 205
180 attachable () 206 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 207 : flags (0), self (0), cb (0), attach (0)
182 { 208 {
183 } 209 }
184 210
185 attachable (const attachable &src) 211 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 212 : flags (0), self (0), cb (0), attach (src.attach)
187 { 213 {
188 } 214 }
189 215
190 virtual ~attachable (); 216 // set a custom key to the given value, or delete it if value = 0
217 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
218
219 void set_key_text (const char *key, const char *value = 0)
220 {
221 set_key (key, value, 1);
222 }
223
224 void set_key_data (const char *key, const char *value = 0)
225 {
226 set_key (key, value, 0);
227 }
191 228
192 attachable &operator =(const attachable &src); 229 attachable &operator =(const attachable &src);
193 230
194 bool vinvoke (event_type event, va_list &ap); 231 // used to _quickly_ device wether to shortcut the evaluation
232 bool should_invoke (event_type event)
233 {
234 return ev_want_event [event] || cb;
235 }
236
195 bool invoke (event_type event, ...) 237 bool invoke (event_type event, ...);
196 {
197 if (ev_want_event [event] || cb)
198 {
199 va_list ap;
200 va_start (ap, event);
201 vinvoke (event, ap);
202 va_end (ap);
203 }
204 }
205 238
206 MTH void instantiate (); 239 MTH void instantiate ();
207 void reattach (); 240 void reattach ();
208 241
209protected: 242protected:
210 // do the real refcount checking work 243 // do the real refcount checking work
211 void do_check (); 244 void do_check ();
212 245
213 // the method that does the real destroy work 246 // the method that does the real destroy work
214 virtual void do_destroy (); 247 virtual void do_destroy ();
248
249 // destructor is protected, should not be called by anybody
250 virtual ~attachable ();
215}; 251};
216 252
217// the global object is a pseudo object that cares for the global events 253// the global object is a pseudo object that cares for the global events
218struct global : attachable 254struct global : attachable
219{ 255{
… …
222 258
223extern struct global gbl_ev; 259extern struct global gbl_ev;
224 260
225////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 261//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
226 262
263INTERFACE_CLASS(object_freezer)
227struct object_freezer : dynbuf_text 264struct object_freezer : dynbuf_text
228{ 265{
229 AV *av; 266 AV *av;
230 267
231 object_freezer (); 268 object_freezer ();
… …
236 // used only for user-defined key-value pairs 273 // used only for user-defined key-value pairs
237 void put (const shstr &k, const shstr &v) 274 void put (const shstr &k, const shstr &v)
238 { 275 {
239 add (k); 276 add (k);
240 277
241 if (v) 278 if (expect_true (v))
242 add (' '), add (v); 279 add (' '), add (v);
243 280
244 add ('\n'); 281 add ('\n');
245 } 282 }
246 283
247 //TODO//temporary, used only for saving body locations
248 void put (const char *k, int v)
249 {
250 add (k);
251 add (' ');
252 add (sint32 (v));
253 add ('\n');
254 }
255
256 template<typename T> 284 template<typename T>
257 void put_string (keyword k, const T &v) 285 void put_kw_string (keyword k, const T &v)
258 { 286 {
259 int klen = keyword_len [k]; 287 int klen = keyword_len [k];
260 int vlen = v ? strlen (v) + 1 : 0; 288 int vlen = v ? strlen (v) + 1 : 0;
261 289
262 char *p = (char *)alloc (klen + vlen + 1); 290 char *p = (char *)alloc (klen + vlen + 1);
263 291
264 memcpy (p, keyword_str [k], klen); p += klen; 292 memcpy (p, keyword_str [k], klen); p += klen;
265 293
266 if (v) 294 if (expect_true (v))
267 { 295 {
268 *p++ = ' '; vlen--; 296 *p++ = ' '; vlen--;
269 memcpy (p, v, vlen); p += vlen; 297 memcpy (p, v, vlen); p += vlen;
270 } 298 }
271 299
272 *p = '\n'; 300 *p = '\n';
273 } 301 }
274 302
275 void put (keyword k, const char *v = 0) 303 void put (keyword k, const char *v = 0)
276 { 304 {
277 put_string (k, v); 305 put_kw_string (k, v);
278 } 306 }
279 307
280 void put (keyword k, const shstr &v) 308 void put (keyword k, const shstr &v)
281 { 309 {
282 put_string (k, v); 310 put_kw_string (k, v);
283 } 311 }
284 312
285 void put (keyword k, double v) 313 void put (keyword k, double v)
286 { 314 {
287 char buf [128]; 315 force (MAX_KEYWORD_LEN + 2 + 32);
288 316 fadd (keyword_str [k], keyword_len [k]);
289 snprintf (buf, 128, "%.7g", v); 317 fadd (' ');
290 318 falloc (sprintf (ptr, "%.7g", v));
291 put (k, (const char *)buf); 319 fadd ('\n');
292 } 320 }
293 321
294 void put_(keyword k, sint64 v) 322 void put_(keyword k, sint64 v)
295 { 323 {
324 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
296 add (keyword_str [k], keyword_len [k]); 325 fadd (keyword_str [k], keyword_len [k]);
297 add (' '); 326 fadd (' ');
298 add (v); 327 add (v);
299 add ('\n'); 328 fadd ('\n');
300 } 329 }
301 330
302 void put_(keyword k, sint32 v) 331 void put_(keyword k, sint32 v)
303 { 332 {
333 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
304 add (keyword_str [k], keyword_len [k]); 334 fadd (keyword_str [k], keyword_len [k]);
305 add (' '); 335 fadd (' ');
306 add (v); 336 add (v);
307 add ('\n'); 337 fadd ('\n');
308 }
309
310 void put (keyword kbeg, keyword kend, const shstr &v)
311 {
312 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
313
314 if (v)
315 {
316 add (v);
317 add ('\n');
318 }
319
320 add (keyword_str [kend], keyword_len [kend]); add ('\n');
321 } 338 }
322 339
323 void put (keyword k, float v) { put (k, (double)v); } 340 void put (keyword k, float v) { put (k, (double)v); }
324 void put (keyword k, signed char v) { put_(k, (sint32)v); } 341 void put (keyword k, signed char v) { put_(k, (sint32)v); }
325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 342 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
330 void put (keyword k, signed long v) { put_(k, (sint64)v); } 347 void put (keyword k, signed long v) { put_(k, (sint64)v); }
331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 348 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
332 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 349 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
333 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 350 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
334 351
335 template<typename T> 352 void put (keyword kbeg, keyword kend, const shstr &v)
353 {
354 force (MAX_KEYWORD_LEN + 1);
355 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
356
357 if (expect_true (v))
358 {
359 add (v);
360 add ('\n');
361 }
362
363 force (MAX_KEYWORD_LEN + 1);
364 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
365 }
366
367 void put (keyword k, archetype *v);
368 void put (keyword k, treasurelist *v);
336 void put (keyword k, const T *v) 369 void put (keyword k, faceinfo *v);
337 {
338 if (v)
339 put (k, v->name);
340 else
341 put (k, (const char *)0);
342 }
343 370
344 template<typename T> 371 template<typename T>
345 void put (keyword k, const refptr<T> &v) 372 void put (keyword k, const refptr<T> &v)
346 { 373 {
347 put (k, (T *)v); 374 put (k, (T *)v);
348 } 375 }
349 376
350 bool save (const char *path); 377 MTH bool save (const_octet_string path);
351 char *as_string (); // like strdup 378 char *as_string (); // like strdup
352 379
353 operator bool () { return !!av; } 380 operator bool () { return !!av; }
354}; 381};
355 382
356// compatibility support, should be removed when no longer needed 383INTERFACE_CLASS(object_thawer)
357void fprintf (object_freezer &freezer, const char *format, ...);
358void fputs (const char *s, object_freezer &freezer);
359
360struct object_thawer 384struct object_thawer
361{ 385{
386 char *line; // current beginning of line
362 SV *text; // text part 387 SV *text; // text part
363 AV *av; // perl part 388 AV *av; // perl part
364 int linenum; 389 int linenum;
365 char *line; // current beginning of line
366 keyword kw; 390 keyword kw;
367 char *kw_str, *value; 391 char *kw_str; // the keyword parsed, as string
392 char *value; // the value, or 0 if no value
393 char *value_nn; // the value, or the empty string if no value
368 const char *name; 394 const char *name;
369 395
370 operator bool () { return !!text; } 396 operator bool () const { return !!text; }
371 397
372 object_thawer (const char *path = 0); 398 object_thawer (const char *path = 0);
373 object_thawer (const char *data, AV *perlav); 399 object_thawer (const char *data, AV *perlav);
374 ~object_thawer (); 400 ~object_thawer ();
375 401
376 void get (attachable *obj, int oid); 402 void get (attachable *obj, int oid);
377 403
378 // parse next line 404 // parse next line
379 void next (); 405 MTH void next ();
380 // skip the current key-value (usually fetch next line, for 406 // skip the current key-value (usually fetch next line, for
381 // multiline-fields, skips untilt he corresponding end-kw 407 // multiline-fields, skips till the corresponding end-kw
382 void skip (); 408 MTH void skip ();
383 409 MTH void skip_block (); // skips till and over KW_end
384 //TODO: remove, deprecated
385 keyword get_kv ()
386 {
387 next ();
388 return kw;
389 }
390 410
391 char *get_str () { return value; } // may be 0 411 char *get_str () { return value; } // may be 0
412 void get_ml (keyword kend, shstr &sh);
392 413
393 void get (shstr &sh) const;
394 void get_ornull (shstr &sh) const { sh = value; } 414 void get_ornull (shstr &sh) const { sh = value; }
395 void get_ml (keyword kend, shstr &sh); 415 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
396 416
417 bool get_bool () const { return *value_nn == '1'; }
397 sint32 get_sint32 () const; 418 sint32 get_sint32 () const;
398 sint64 get_sint64 () const; 419 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
399 double get_double () const; 420 double get_double () const { return strtod (value_nn, 0); }
400 421
401 void get (float &v) { v = get_double (); } 422 void get (float &v) { v = get_double (); }
402 void get (double &v) { v = get_double (); } 423 void get (double &v) { v = get_double (); }
403 424
404 void get (bool &i) { i = get_sint32 (); } 425 void get (bool &i) { i = get_bool (); }
405 void get (sint8 &i) { i = get_sint32 (); } 426 void get (sint8 &i) { i = get_sint32 (); }
406 void get (uint8 &i) { i = get_sint32 (); } 427 void get (uint8 &i) { i = get_sint32 (); }
407 void get (sint16 &i) { i = get_sint32 (); } 428 void get (sint16 &i) { i = get_sint32 (); }
408 void get (uint16 &i) { i = get_sint32 (); } 429 void get (uint16 &i) { i = get_sint32 (); }
409 void get (sint32 &i) { i = get_sint32 (); } 430 void get (sint32 &i) { i = get_sint32 (); }
410 431
411 void get (uint32 &i) { i = get_sint64 (); } 432 void get (uint32 &i) { i = get_sint64 (); }
412 void get (sint64 &i) { i = get_sint64 (); } 433 void get (sint64 &i) { i = get_sint64 (); }
413 434
435 MTH void parse_warn (const char *msg);
414 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 436 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
437
438 struct delayed_ref {
439 attachable *op;
440 object_ptr *ptr;
441 const char *ref;
442 };
443 std::vector<delayed_ref> delrefs;
444
445 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
446 MTH void resolve_delayed_derefs (bool deref = true);
415}; 447};
416 448
417//TODO: remove 449//TODO: remove
418char *fgets (char *s, int n, object_thawer &thawer); 450char *fgets (char *s, int n, object_thawer &thawer);
419 451
… …
423 static struct CoroAPI *GCoroAPI; 455 static struct CoroAPI *GCoroAPI;
424 456
425 static int nready () { return CORO_NREADY; } 457 static int nready () { return CORO_NREADY; }
426 static int cede () { return CORO_CEDE ; } 458 static int cede () { return CORO_CEDE ; }
427 459
428 static double (*time)();
429 static double next_cede; 460 static tstamp next_cede;
430 static int cede_counter; 461 static int cede_counter;
431 462
432 static void do_cede_every (); 463 static void do_cede_every ();
433 static void do_cede_to_tick (); 464 static void do_cede_to_tick ();
434 static void do_cede_to_tick_every (); 465 static void do_cede_to_tick_every ();
435 466
436 static void cede_every (int count) 467 static void cede_every (int count)
437 { 468 {
438 if (++cede_counter >= count) 469 if (expect_false (++cede_counter >= count))
439 do_cede_every (); 470 do_cede_every ();
440 } 471 }
441 472
442 static void cede_to_tick () 473 static bool cede_to_tick ()
443 { 474 {
444 if (time () >= next_cede) 475 if (expect_true (now () < next_cede))
476 return false;
477
445 do_cede_to_tick (); 478 do_cede_to_tick ();
479 return true;
446 } 480 }
447 481
448 static void cede_to_tick_every (int count) 482 static bool cede_to_tick_every (int count)
449 { 483 {
450 if (++cede_counter >= count) 484 if (expect_true (++cede_counter < count))
485 return false;
486
451 cede_to_tick (); 487 return cede_to_tick ();
452 } 488 }
453 489
454 static void wait_for_tick (); 490 static void wait_for_tick ();
455 static void wait_for_tick_begin (); 491 static void wait_for_tick_begin ();
456}; 492};
457 493
458struct watcher_base 494struct evapi
459{ 495{
460 static struct EventAPI *GEventAPI; 496 static struct EVAPI *GEVAPI;
461}; 497};
462 498
463template<class base>
464struct watcher : watcher_base
465{
466 base *pe;
467
468 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
469 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
470 void now () { GEventAPI->now ((pe_watcher *)pe); }
471 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
472 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
473
474 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
475
476 ~watcher ()
477 {
478 cancel ();
479 }
480
481private:
482 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
483};
484
485struct iw : watcher<pe_idle>, callback<void (iw &)>
486{
487 template<class O, class M>
488 iw (O object, M method)
489 : callback<void (iw &)> (object, method)
490 {
491 alloc ();
492 }
493
494private:
495 void alloc ();
496};
497
498struct iow : watcher<pe_io>, callback<void (iow &, int)> 499struct iow : ev_io, evapi, callback<void (iow &, int)>
499{ 500{
501 static void thunk (EV_P_ struct ev_io *w_, int revents)
502 {
503 iow &w = *static_cast<iow *>(w_);
504
505 w (w, revents);
506 }
507
500 template<class O, class M> 508 template<class O, class M>
501 iow (O object, M method) 509 iow (O object, M method)
502 : callback<void (iow &, int)> (object, method) 510 : callback<void (iow &, int)> (object, method)
503 { 511 {
504 alloc (); 512 ev_init ((ev_io *)this, thunk);
505 } 513 }
506 514
507 void fd (int fd); 515 void set (int fd, int events)
508 int poll (); 516 {
517 ev_io_set ((ev_io *)this, fd, events);
518 }
519
520 int poll () const { return events; }
521
509 void poll (int events); 522 void poll (int events);
510 523
511private: 524 void start ()
512 void alloc (); 525 {
526 ev_io_start (EV_DEFAULT, (ev_io *)this);
527 }
528
529 void stop ()
530 {
531 ev_io_stop (EV_DEFAULT, (ev_io *)this);
532 }
533
534 ~iow ()
535 {
536 stop ();
537 }
513}; 538};
514 539
515#endif 540#endif
516 541

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