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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.52 by root, Fri Jan 26 22:06:30 2007 UTC vs.
Revision 1.91 by root, Wed Nov 14 08:09:46 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__
6 29
30#include <cstdarg>
7#include <cstdio> 31#include <cstdio>
32#include <bitset>
8 33
9using namespace std; 34using namespace std;
10 35
11#include <EXTERN.h> 36#include <EXTERN.h>
12#include <perl.h> 37#include <perl.h>
13#include <XSUB.h> 38#include <XSUB.h>
14 39
15#include <EventAPI.h> 40#include <EVAPI.h>
16#include <CoroAPI.h> 41#include <CoroAPI.h>
17 42
18#include "util.h" 43#include "util.h"
19#include "keyword.h" 44#include "keyword.h"
20#include "dynbuf.h" 45#include "dynbuf.h"
… …
30#undef readdir 55#undef readdir
31#undef getprotobyname 56#undef getprotobyname
32#undef gethostbyname 57#undef gethostbyname
33#undef ctime 58#undef ctime
34#undef strerror 59#undef strerror
60#undef _
35 61
36// same here, massive symbol spamming 62// same here, massive symbol spamming
37#undef do_open 63#undef do_open
38#undef do_close 64#undef do_close
39#undef ref 65#undef ref
… …
44#undef random 70#undef random
45#undef crypt 71#undef crypt
46 72
47////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48 74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
49// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
50 81
51#define CHECK_ERROR \ 82#define CHECK_ERROR \
52 if (SvTRUE (ERRSV)) \ 83 if (SvTRUE (ERRSV)) \
53 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));
… …
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 93
63void cfperl_init (); 94void cfperl_init ();
64void cfperl_main (); 95void cfperl_main ();
65void cfperl_emergency_save (); 96void cfperl_emergency_save ();
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);
66 101
67////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 102//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
68 103
69// virtual server time, excluding time jumps and lag 104extern tstamp runtime; // virtual server time, excluding time jumps and lag
70extern double runtime; 105extern tstamp NOW; // real time of current server tick
71 106
72enum event_klass 107enum event_klass
73{ 108{
74 KLASS_NONE, 109 KLASS_NONE,
75 KLASS_GLOBAL, 110 KLASS_GLOBAL,
… …
86# define def(klass,name) EVENT_ ## klass ## _ ## name, 121# define def(klass,name) EVENT_ ## klass ## _ ## name,
87# include "eventinc.h" 122# include "eventinc.h"
88# undef def 123# undef def
89 NUM_EVENT_TYPES 124 NUM_EVENT_TYPES
90}; 125};
126
127// in which global events or per-type events are we interested
128extern bitset<NUM_EVENT_TYPES> ev_want_event;
129extern bitset<NUM_TYPES> ev_want_type;
91 130
92#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 131#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
93#define ARG_INT(v) DT_INT , static_cast<int> (v) 132#define ARG_INT(v) DT_INT , static_cast<int> (v)
94#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 133#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
95#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 134#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
102#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 141#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
103#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 142#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
104#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 143#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
105 144
106// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 145// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
107 146#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) 147#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) 148#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) 149#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) 150#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) 151#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) 152#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
115 153
116//TODO should index into @result 154//TODO should index into @result
117#define RESULT(idx,type) cfperl_result_ ## type (idx) 155#define RESULT(idx,type) cfperl_result_ ## type (idx)
118#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 156#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
119#define RESULT_INT(idx) RESULT(idx, INT) 157#define RESULT_INT(idx) RESULT(idx, INT)
… …
122int cfperl_result_INT (int idx); 160int cfperl_result_INT (int idx);
123 161
124////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 162//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
125 163
126INTERFACE_CLASS (attachable) 164INTERFACE_CLASS (attachable)
127struct attachable 165struct attachable : refcnt_base
128{ 166{
129 static MGVTBL vtbl; 167 static MGVTBL vtbl;
130 168
131 static unordered_vector<attachable *> mortals; 169 static unordered_vector<attachable *> mortals;
132 MTH static void check_mortals (); 170 MTH static void check_mortals ();
133 171
134 enum { 172 enum {
135 F_DESTROYED = 0x01, 173 F_DESTROYED = 0x01,
174 F_DEBUG_TRACE = 0x02,
136 }; 175 };
176 int ACC (RW, flags);
137 177
138 // object is delete'd after the refcount reaches 0 178 // 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; 179 MTH int refcnt_cnt () const;
146 // check wether the object has died and destroy 180 // check wether the object has died and destroy
147 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
148 182
149 // destroy the object unless it was already destroyed 183 // destroy the object unless it was already destroyed
150 // this politely asks everybody interested the reduce 184 // this politely asks everybody interested the reduce
151 // the refcount to 0 as soon as possible. 185 // the refcount to 0 as soon as possible.
152 MTH void destroy (); 186 MTH void destroy ();
… …
168 202
169 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.
170 void optimise (); // possibly save some memory by destroying unneeded data 204 void optimise (); // possibly save some memory by destroying unneeded data
171 205
172 attachable () 206 attachable ()
173 : flags (0), refcnt (0), self (0), cb (0), attach (0) 207 : flags (0), self (0), cb (0), attach (0)
174 { 208 {
175 } 209 }
176 210
177 attachable (const attachable &src) 211 attachable (const attachable &src)
178 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 212 : flags (0), self (0), cb (0), attach (src.attach)
179 { 213 {
180 } 214 }
181 215
182 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 }
183 228
184 attachable &operator =(const attachable &src); 229 attachable &operator =(const attachable &src);
185 230
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
186 bool invoke (event_type event, ...); 237 bool invoke (event_type event, ...);
238
187 MTH void instantiate (); 239 MTH void instantiate ();
188 void reattach (); 240 void reattach ();
189 241
190protected: 242protected:
191 // do the real refcount checking work 243 // do the real refcount checking work
192 void do_check (); 244 void do_check ();
193 245
194 // the method that does the real destroy work 246 // the method that does the real destroy work
195 virtual void do_destroy (); 247 virtual void do_destroy ();
248
249 // destructor is protected, should not be called by anybody
250 virtual ~attachable ();
196}; 251};
197 252
198// 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
199struct global : attachable 254struct global : attachable
200{ 255{
… …
203 258
204extern struct global gbl_ev; 259extern struct global gbl_ev;
205 260
206////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 261//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
207 262
263INTERFACE_CLASS(object_freezer)
208struct object_freezer : dynbuf 264struct object_freezer : dynbuf_text
209{ 265{
210 AV *av; 266 AV *av;
211 267
212 object_freezer (); 268 object_freezer ();
213 ~object_freezer (); 269 ~object_freezer ();
… …
217 // used only for user-defined key-value pairs 273 // used only for user-defined key-value pairs
218 void put (const shstr &k, const shstr &v) 274 void put (const shstr &k, const shstr &v)
219 { 275 {
220 add (k); 276 add (k);
221 277
222 if (v) 278 if (expect_true (v))
223 add (' '), add (v); 279 add (' '), add (v);
224 280
225 add ('\n'); 281 add ('\n');
226 } 282 }
227 283
228 //TODO//temporary, used only for saving body locations
229 void put (const char *k, int v)
230 {
231 add (k);
232 add (' ');
233 add (sint32 (v));
234 add ('\n');
235 }
236
237 template<typename T> 284 template<typename T>
238 void put_string (keyword k, const T &v) 285 void put_kw_string (keyword k, const T &v)
239 { 286 {
240 int klen = keyword_len [k]; 287 int klen = keyword_len [k];
241 int vlen = v ? strlen (v) + 1 : 0; 288 int vlen = v ? strlen (v) + 1 : 0;
242 289
243 char *p = (char *)alloc (klen + vlen + 1); 290 char *p = (char *)alloc (klen + vlen + 1);
244 291
245 memcpy (p, keyword_str [k], klen); p += klen; 292 memcpy (p, keyword_str [k], klen); p += klen;
246 293
247 if (v) 294 if (expect_true (v))
248 { 295 {
249 *p++ = ' '; vlen--; 296 *p++ = ' '; vlen--;
250 memcpy (p, v, vlen); p += vlen; 297 memcpy (p, v, vlen); p += vlen;
251 } 298 }
252 299
253 *p = '\n'; 300 *p = '\n';
254 } 301 }
255 302
256 void put (keyword k, const char *v = 0) 303 void put (keyword k, const char *v = 0)
257 { 304 {
258 put_string (k, v); 305 put_kw_string (k, v);
259 } 306 }
260 307
261 void put (keyword k, const shstr &v) 308 void put (keyword k, const shstr &v)
262 { 309 {
263 put_string (k, v); 310 put_kw_string (k, v);
264 } 311 }
265 312
266 void put (keyword k, double v) 313 void put (keyword k, double v)
267 { 314 {
268 char buf [128]; 315 force (MAX_KEYWORD_LEN + 2 + 32);
269 316 fadd (keyword_str [k], keyword_len [k]);
270 snprintf (buf, 128, "%.7g", v); 317 fadd (' ');
271 318 falloc (sprintf (ptr, "%.7g", v));
272 put (k, (const char *)buf); 319 fadd ('\n');
273 } 320 }
274 321
275 void put_(keyword k, sint64 v) 322 void put_(keyword k, sint64 v)
276 { 323 {
324 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
277 add (keyword_str [k], keyword_len [k]); 325 fadd (keyword_str [k], keyword_len [k]);
278 add (' '); 326 fadd (' ');
279 add (v); 327 add (v);
280 add ('\n'); 328 fadd ('\n');
281 } 329 }
282 330
283 void put_(keyword k, sint32 v) 331 void put_(keyword k, sint32 v)
284 { 332 {
333 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
285 add (keyword_str [k], keyword_len [k]); 334 fadd (keyword_str [k], keyword_len [k]);
286 add (' '); 335 fadd (' ');
287 add (v); 336 add (v);
288 add ('\n'); 337 fadd ('\n');
289 }
290
291 void put (keyword kbeg, keyword kend, const shstr &v)
292 {
293 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
294
295 if (v)
296 {
297 add (v);
298 add ('\n');
299 }
300
301 add (keyword_str [kend], keyword_len [kend]); add ('\n');
302 } 338 }
303 339
304 void put (keyword k, float v) { put (k, (double)v); } 340 void put (keyword k, float v) { put (k, (double)v); }
305 void put (keyword k, signed char v) { put_(k, (sint32)v); } 341 void put (keyword k, signed char v) { put_(k, (sint32)v); }
306 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 342 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
311 void put (keyword k, signed long v) { put_(k, (sint64)v); } 347 void put (keyword k, signed long v) { put_(k, (sint64)v); }
312 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 348 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
313 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); }
314 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); }
315 351
316 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);
317 void put (keyword k, const T *v) 369 void put (keyword k, faceinfo *v);
318 {
319 if (v)
320 put (k, v->name);
321 else
322 put (k, (const char *)0);
323 }
324 370
325 template<typename T> 371 template<typename T>
326 void put (keyword k, const refptr<T> &v) 372 void put (keyword k, const refptr<T> &v)
327 { 373 {
328 put (k, (T *)v); 374 put (k, (T *)v);
329 } 375 }
330 376
331 bool save (const char *path); 377 MTH bool save (const_octet_string path);
332 char *as_string (); // like strdup 378 char *as_string (); // like strdup
333 379
334 operator bool () { return !!av; } 380 operator bool () { return !!av; }
335}; 381};
336 382
337// compatibility support, should be removed when no longer needed 383INTERFACE_CLASS(object_thawer)
338int fprintf (object_freezer &freezer, const char *format, ...);
339int fputs (const char *s, object_freezer &freezer);
340
341struct object_thawer 384struct object_thawer
342{ 385{
386 char *line; // current beginning of line
343 SV *text; // text part 387 SV *text; // text part
344 AV *av; // perl part 388 AV *av; // perl part
345 char *line; // current beginning of line 389 int linenum;
346 char *last_keyword, *last_value; 390 keyword kw;
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
347 const char *name; 394 const char *name;
348 395
349 operator bool () { return !!text; } 396 operator bool () const { return !!text; }
350 397
351 object_thawer (const char *path = 0); 398 object_thawer (const char *path = 0);
352 object_thawer (const char *data, AV *perlav); 399 object_thawer (const char *data, AV *perlav);
353 ~object_thawer (); 400 ~object_thawer ();
354 401
355 void get (attachable *obj, int oid); 402 void get (attachable *obj, int oid);
356 403
357 keyword get_kv (); // also parse value for later use 404 // parse next line
358 void skip_kv (keyword kw); 405 MTH void next ();
406 // skip the current key-value (usually fetch next line, for
407 // multiline-fields, skips till the corresponding end-kw
408 MTH void skip ();
409 MTH void skip_block (); // skips till and over KW_end
359 410
360 const char *get_str () { return last_value; } // may be 0 411 char *get_str () { return value; } // may be 0
361
362 void get (shstr &sh) const;
363 void get_ornull (shstr &sh) const { sh = last_value; }
364 void get_ml (keyword kend, shstr &sh); 412 void get_ml (keyword kend, shstr &sh);
365 413
414 void get_ornull (shstr &sh) const { sh = value; }
415 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
416
417 bool get_bool () const { return *value_nn == '1'; }
366 sint32 get_sint32 () const; 418 sint32 get_sint32 () const;
367 sint64 get_sint64 () const; 419 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
368 double get_double () const; 420 double get_double () const { return strtod (value_nn, 0); }
369 421
370 void get (float &v) { v = get_double (); } 422 void get (float &v) { v = get_double (); }
371 void get (double &v) { v = get_double (); } 423 void get (double &v) { v = get_double (); }
372 424
373 void get (bool &i) { i = get_sint32 (); } 425 void get (bool &i) { i = get_bool (); }
374 void get (sint8 &i) { i = get_sint32 (); } 426 void get (sint8 &i) { i = get_sint32 (); }
375 void get (uint8 &i) { i = get_sint32 (); } 427 void get (uint8 &i) { i = get_sint32 (); }
376 void get (sint16 &i) { i = get_sint32 (); } 428 void get (sint16 &i) { i = get_sint32 (); }
377 void get (uint16 &i) { i = get_sint32 (); } 429 void get (uint16 &i) { i = get_sint32 (); }
378 void get (sint32 &i) { i = get_sint32 (); } 430 void get (sint32 &i) { i = get_sint32 (); }
379 431
380 void get (uint32 &i) { i = get_sint64 (); } 432 void get (uint32 &i) { i = get_sint64 (); }
381 void get (sint64 &i) { i = get_sint64 (); } 433 void get (sint64 &i) { i = get_sint64 (); }
382};
383 434
435 MTH void parse_warn (const char *msg);
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);
447};
448
449//TODO: remove
384char *fgets (char *s, int n, object_thawer &thawer); 450char *fgets (char *s, int n, object_thawer &thawer);
385 451
386////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 452//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
387 453
388struct coroapi { 454struct coroapi {
389 static struct CoroAPI *GCoroAPI; 455 static struct CoroAPI *GCoroAPI;
390 456
391 static int nready () { return CORO_NREADY; } 457 static int nready () { return CORO_NREADY; }
392 static int cede () { return CORO_CEDE ; } 458 static int cede () { return CORO_CEDE ; }
393 459
460 static tstamp next_cede;
394 static int cede_counter; 461 static int cede_counter;
395 462
463 static void do_cede_every ();
464 static void do_cede_to_tick ();
465 static void do_cede_to_tick_every ();
466
396 static void cede_every (int count) 467 static void cede_every (int count)
397 { 468 {
398 if (++cede_counter >= count) 469 if (expect_false (++cede_counter >= count))
399 { 470 do_cede_every ();
400 cede_counter = 0;
401
402 if (coroapi::nready ())
403 coroapi::cede ();
404 }
405 } 471 }
406};
407 472
408struct watcher_base 473 static bool cede_to_tick ()
474 {
475 if (expect_true (now () < next_cede))
476 return false;
477
478 do_cede_to_tick ();
479 return true;
480 }
481
482 static bool cede_to_tick_every (int count)
483 {
484 if (expect_true (++cede_counter < count))
485 return false;
486
487 return cede_to_tick ();
488 }
489
490 static void wait_for_tick ();
491 static void wait_for_tick_begin ();
492};
493
494struct evapi
409{ 495{
410 static struct EventAPI *GEventAPI; 496 static struct EVAPI *GEVAPI;
411}; 497};
412 498
413template<class base>
414struct watcher : watcher_base
415{
416 base *pe;
417
418 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
419 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
420 void now () { GEventAPI->now ((pe_watcher *)pe); }
421 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
422 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
423
424 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
425
426 ~watcher ()
427 {
428 cancel ();
429 }
430
431private:
432 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
433};
434
435struct iw : watcher<pe_idle>, callback<void (iw &)>
436{
437 template<class O, class M>
438 iw (O object, M method)
439 : callback<void (iw &)> (object, method)
440 {
441 alloc ();
442 }
443
444private:
445 void alloc ();
446};
447
448struct iow : watcher<pe_io>, callback<void (iow &, int)> 499struct iow : ev_io, evapi, callback<void (iow &, int)>
449{ 500{
501 static void thunk (struct ev_io *w_, int revents)
502 {
503 iow &w = *static_cast<iow *>(w_);
504
505 w (w, revents);
506 }
507
450 template<class O, class M> 508 template<class O, class M>
451 iow (O object, M method) 509 iow (O object, M method)
452 : callback<void (iow &, int)> (object, method) 510 : callback<void (iow &, int)> (object, method)
453 { 511 {
454 alloc (); 512 ev_init ((ev_io *)this, thunk);
455 } 513 }
456 514
457 void fd (int fd); 515 void set (int fd, int events)
458 int poll (); 516 {
517 ev_io_set ((ev_io *)this, fd, events);
518 }
519
520 int poll () const { return events; }
521
459 void poll (int events); 522 void poll (int events);
460 523
461private: 524 void start ()
462 void alloc (); 525 {
526 ev_io_start ((ev_io *)this);
527 }
528
529 void stop ()
530 {
531 ev_io_stop ((ev_io *)this);
532 }
533
534 ~iow ()
535 {
536 stop ();
537 }
463}; 538};
464 539
465#endif 540#endif
466 541

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