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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.53 by root, Thu Feb 1 19:15:39 2007 UTC vs.
Revision 1.94 by root, Wed Apr 2 11:13:54 2008 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008 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));
60 91
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 93
63void cfperl_init (); 94void cfperl_init ();
64void cfperl_main (); 95void cfperl_main ();
96void cfperl_tick ();
65void cfperl_emergency_save (); 97void cfperl_emergency_save ();
98void cfperl_cleanup (int make_core);
99void cfperl_make_book (object *book, int level);
100void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
101int cfperl_can_merge (object *ob1, object *ob2);
66 102
67////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 103//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
68 104
69// virtual server time, excluding time jumps and lag 105extern tstamp runtime; // virtual server time, excluding time jumps and lag
70extern double runtime; 106extern tstamp NOW; // real time of current server tick
71 107
72enum event_klass 108enum event_klass
73{ 109{
74 KLASS_NONE, 110 KLASS_NONE,
75 KLASS_GLOBAL, 111 KLASS_GLOBAL,
86# define def(klass,name) EVENT_ ## klass ## _ ## name, 122# define def(klass,name) EVENT_ ## klass ## _ ## name,
87# include "eventinc.h" 123# include "eventinc.h"
88# undef def 124# undef def
89 NUM_EVENT_TYPES 125 NUM_EVENT_TYPES
90}; 126};
127
128// in which global events or per-type events are we interested
129extern bitset<NUM_EVENT_TYPES> ev_want_event;
130extern bitset<NUM_TYPES> ev_want_type;
91 131
92#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 132#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
93#define ARG_INT(v) DT_INT , static_cast<int> (v) 133#define ARG_INT(v) DT_INT , static_cast<int> (v)
94#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 134#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
95#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 135#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
102#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 142#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
103#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 143#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
104#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 144#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
105 145
106// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 146// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
107 147#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) 148#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) 149#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) 150#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) 151#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) 152#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) 153#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
115 154
116//TODO should index into @result 155//TODO should index into @result
117#define RESULT(idx,type) cfperl_result_ ## type (idx) 156#define RESULT(idx,type) cfperl_result_ ## type (idx)
118#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 157#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
119#define RESULT_INT(idx) RESULT(idx, INT) 158#define RESULT_INT(idx) RESULT(idx, INT)
122int cfperl_result_INT (int idx); 161int cfperl_result_INT (int idx);
123 162
124////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 163//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
125 164
126INTERFACE_CLASS (attachable) 165INTERFACE_CLASS (attachable)
127struct attachable 166struct attachable : refcnt_base
128{ 167{
129 static MGVTBL vtbl; 168 static MGVTBL vtbl;
130 169
131 static unordered_vector<attachable *> mortals; 170 static unordered_vector<attachable *> mortals;
132 MTH static void check_mortals (); 171 MTH static void check_mortals ();
133 172
134 enum { 173 enum {
135 F_DESTROYED = 0x01, 174 F_DESTROYED = 0x01,
175 F_DEBUG_TRACE = 0x02,
136 }; 176 };
177 int ACC (RW, flags);
137 178
138 // object is delete'd after the refcount reaches 0 179 // 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; 180 MTH int refcnt_cnt () const;
146 // check wether the object has died and destroy 181 // check wether the object has died and destroy
147 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 182 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
148 183
149 // destroy the object unless it was already destroyed 184 // destroy the object unless it was already destroyed
150 // this politely asks everybody interested the reduce 185 // this politely asks everybody interested the reduce
151 // the refcount to 0 as soon as possible. 186 // the refcount to 0 as soon as possible.
152 MTH void destroy (); 187 MTH void destroy ();
168 203
169 void sever_self (); // sever this object from its self, if it has one. 204 void sever_self (); // sever this object from its self, if it has one.
170 void optimise (); // possibly save some memory by destroying unneeded data 205 void optimise (); // possibly save some memory by destroying unneeded data
171 206
172 attachable () 207 attachable ()
173 : flags (0), refcnt (0), self (0), cb (0), attach (0) 208 : flags (0), self (0), cb (0), attach (0)
174 { 209 {
175 } 210 }
176 211
177 attachable (const attachable &src) 212 attachable (const attachable &src)
178 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 213 : flags (0), self (0), cb (0), attach (src.attach)
179 { 214 {
180 } 215 }
181 216
182 virtual ~attachable (); 217 // set a custom key to the given value, or delete it if value = 0
218 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
219
220 void set_key_text (const char *key, const char *value = 0)
221 {
222 set_key (key, value, 1);
223 }
224
225 void set_key_data (const char *key, const char *value = 0)
226 {
227 set_key (key, value, 0);
228 }
183 229
184 attachable &operator =(const attachable &src); 230 attachable &operator =(const attachable &src);
185 231
232 // used to _quickly_ device wether to shortcut the evaluation
233 bool should_invoke (event_type event)
234 {
235 return ev_want_event [event] || cb;
236 }
237
186 bool invoke (event_type event, ...); 238 bool invoke (event_type event, ...);
239
187 MTH void instantiate (); 240 MTH void instantiate ();
188 void reattach (); 241 void reattach ();
189 242
190protected: 243protected:
191 // do the real refcount checking work 244 // do the real refcount checking work
192 void do_check (); 245 void do_check ();
193 246
194 // the method that does the real destroy work 247 // the method that does the real destroy work
195 virtual void do_destroy (); 248 virtual void do_destroy ();
249
250 // destructor is protected, should not be called by anybody
251 virtual ~attachable ();
196}; 252};
197 253
198// the global object is a pseudo object that cares for the global events 254// the global object is a pseudo object that cares for the global events
199struct global : attachable 255struct global : attachable
200{ 256{
203 259
204extern struct global gbl_ev; 260extern struct global gbl_ev;
205 261
206////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 262//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
207 263
264INTERFACE_CLASS(object_freezer)
208struct object_freezer : dynbuf 265struct object_freezer : dynbuf_text
209{ 266{
210 AV *av; 267 AV *av;
211 268
212 object_freezer (); 269 object_freezer ();
213 ~object_freezer (); 270 ~object_freezer ();
217 // used only for user-defined key-value pairs 274 // used only for user-defined key-value pairs
218 void put (const shstr &k, const shstr &v) 275 void put (const shstr &k, const shstr &v)
219 { 276 {
220 add (k); 277 add (k);
221 278
222 if (v) 279 if (expect_true (v))
223 add (' '), add (v); 280 add (' '), add (v);
224 281
225 add ('\n'); 282 add ('\n');
226 } 283 }
227 284
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> 285 template<typename T>
238 void put_string (keyword k, const T &v) 286 void put_kw_string (keyword k, const T &v)
239 { 287 {
240 int klen = keyword_len [k]; 288 int klen = keyword_len [k];
241 int vlen = v ? strlen (v) + 1 : 0; 289 int vlen = v ? strlen (v) + 1 : 0;
242 290
243 char *p = (char *)alloc (klen + vlen + 1); 291 char *p = (char *)alloc (klen + vlen + 1);
244 292
245 memcpy (p, keyword_str [k], klen); p += klen; 293 memcpy (p, keyword_str [k], klen); p += klen;
246 294
247 if (v) 295 if (expect_true (v))
248 { 296 {
249 *p++ = ' '; vlen--; 297 *p++ = ' '; vlen--;
250 memcpy (p, v, vlen); p += vlen; 298 memcpy (p, v, vlen); p += vlen;
251 } 299 }
252 300
253 *p = '\n'; 301 *p = '\n';
254 } 302 }
255 303
256 void put (keyword k, const char *v = 0) 304 void put (keyword k, const char *v = 0)
257 { 305 {
258 put_string (k, v); 306 put_kw_string (k, v);
259 } 307 }
260 308
261 void put (keyword k, const shstr &v) 309 void put (keyword k, const shstr &v)
262 { 310 {
263 put_string (k, v); 311 put_kw_string (k, v);
264 } 312 }
265 313
266 void put (keyword k, double v) 314 void put (keyword k, double v)
267 { 315 {
268 char buf [128]; 316 force (MAX_KEYWORD_LEN + 2 + 32);
269 317 fadd (keyword_str [k], keyword_len [k]);
270 snprintf (buf, 128, "%.7g", v); 318 fadd (' ');
271 319 falloc (sprintf (ptr, "%.7g", v));
272 put (k, (const char *)buf); 320 fadd ('\n');
273 } 321 }
274 322
275 void put_(keyword k, sint64 v) 323 void put_(keyword k, sint64 v)
276 { 324 {
325 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
277 add (keyword_str [k], keyword_len [k]); 326 fadd (keyword_str [k], keyword_len [k]);
278 add (' '); 327 fadd (' ');
279 add (v); 328 add (v);
280 add ('\n'); 329 fadd ('\n');
281 } 330 }
282 331
283 void put_(keyword k, sint32 v) 332 void put_(keyword k, sint32 v)
284 { 333 {
334 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
285 add (keyword_str [k], keyword_len [k]); 335 fadd (keyword_str [k], keyword_len [k]);
286 add (' '); 336 fadd (' ');
287 add (v); 337 add (v);
288 add ('\n'); 338 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 } 339 }
303 340
304 void put (keyword k, float v) { put (k, (double)v); } 341 void put (keyword k, float v) { put (k, (double)v); }
305 void put (keyword k, signed char v) { put_(k, (sint32)v); } 342 void put (keyword k, signed char v) { put_(k, (sint32)v); }
306 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 343 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
311 void put (keyword k, signed long v) { put_(k, (sint64)v); } 348 void put (keyword k, signed long v) { put_(k, (sint64)v); }
312 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 349 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
313 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 350 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); } 351 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
315 352
316 template<typename T> 353 void put (keyword kbeg, keyword kend, const shstr &v)
354 {
355 force (MAX_KEYWORD_LEN + 1);
356 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
357
358 if (expect_true (v))
359 {
360 add (v);
361 add ('\n');
362 }
363
364 force (MAX_KEYWORD_LEN + 1);
365 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
366 }
367
368 void put (keyword k, archetype *v);
369 void put (keyword k, treasurelist *v);
317 void put (keyword k, const T *v) 370 void put (keyword k, faceinfo *v);
318 {
319 if (v)
320 put (k, v->name);
321 else
322 put (k, (const char *)0);
323 }
324 371
325 template<typename T> 372 template<typename T>
326 void put (keyword k, const refptr<T> &v) 373 void put (keyword k, const refptr<T> &v)
327 { 374 {
328 put (k, (T *)v); 375 put (k, (T *)v);
329 } 376 }
330 377
331 bool save (const char *path); 378 MTH bool save (const_octet_string path);
332 char *as_string (); // like strdup 379 char *as_string (); // like strdup
333 380
334 operator bool () { return !!av; } 381 operator bool () { return !!av; }
335}; 382};
336 383
337// compatibility support, should be removed when no longer needed 384INTERFACE_CLASS(object_thawer)
338int fprintf (object_freezer &freezer, const char *format, ...);
339int fputs (const char *s, object_freezer &freezer);
340
341struct object_thawer 385struct object_thawer
342{ 386{
387 char *line; // current beginning of line
343 SV *text; // text part 388 SV *text; // text part
344 AV *av; // perl part 389 AV *av; // perl part
345 int linenum; 390 int linenum;
346 char *line; // current beginning of line 391 keyword kw;
347 char *last_keyword, *last_value; 392 char *kw_str; // the keyword parsed, as string
393 char *value; // the value, or 0 if no value
394 const char *value_nn; // the value, or the empty string if no value
348 const char *name; 395 const char *name;
349 396
350 operator bool () { return !!text; } 397 operator bool () const { return !!text; }
351 398
352 object_thawer (const char *path = 0); 399 object_thawer (const char *path = 0);
353 object_thawer (const char *data, AV *perlav); 400 object_thawer (const char *data, AV *perlav);
354 ~object_thawer (); 401 ~object_thawer ();
355 402
356 void get (attachable *obj, int oid); 403 void get (attachable *obj, int oid);
357 404
358 keyword get_kv (); // also parse value for later use 405 // parse next line
359 void skip_kv (keyword kw); 406 MTH void next ();
407 // skip the current key-value (usually fetch next line, for
408 // multiline-fields, skips till the corresponding end-kw
409 MTH void skip ();
410 MTH void skip_block (); // skips till and over KW_end
360 411
361 const char *get_str () { return last_value; } // may be 0 412 char *get_str () { return value; } // may be 0
362
363 void get (shstr &sh) const;
364 void get_ornull (shstr &sh) const { sh = last_value; }
365 void get_ml (keyword kend, shstr &sh); 413 void get_ml (keyword kend, shstr &sh);
366 414
415 void get_ornull (shstr &sh) const { sh = value; }
416 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
417
418 bool get_bool () const { return *value_nn == '1'; }
367 sint32 get_sint32 () const; 419 sint32 get_sint32 () const;
368 sint64 get_sint64 () const; 420 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
369 double get_double () const; 421 double get_double () const { return strtod (value_nn, 0); }
370 422
371 void get (float &v) { v = get_double (); } 423 void get (float &v) { v = get_double (); }
372 void get (double &v) { v = get_double (); } 424 void get (double &v) { v = get_double (); }
373 425
374 void get (bool &i) { i = get_sint32 (); } 426 void get (bool &i) { i = get_bool (); }
375 void get (sint8 &i) { i = get_sint32 (); } 427 void get (sint8 &i) { i = get_sint32 (); }
376 void get (uint8 &i) { i = get_sint32 (); } 428 void get (uint8 &i) { i = get_sint32 (); }
377 void get (sint16 &i) { i = get_sint32 (); } 429 void get (sint16 &i) { i = get_sint32 (); }
378 void get (uint16 &i) { i = get_sint32 (); } 430 void get (uint16 &i) { i = get_sint32 (); }
379 void get (sint32 &i) { i = get_sint32 (); } 431 void get (sint32 &i) { i = get_sint32 (); }
380 432
381 void get (uint32 &i) { i = get_sint64 (); } 433 void get (uint32 &i) { i = get_sint64 (); }
382 void get (sint64 &i) { i = get_sint64 (); } 434 void get (sint64 &i) { i = get_sint64 (); }
383 435
436 MTH void parse_warn (const char *msg);
384 bool parse_error (keyword kw, const char *type = 0, const char *name = 0, bool skip = true); 437 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
438
439 struct delayed_ref {
440 attachable *op;
441 object_ptr *ptr;
442 const char *ref;
443 };
444 std::vector<delayed_ref> delrefs;
445
446 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
447 MTH void resolve_delayed_derefs (bool deref = true);
385}; 448};
386 449
387//TODO: remove 450//TODO: remove
388char *fgets (char *s, int n, object_thawer &thawer); 451char *fgets (char *s, int n, object_thawer &thawer);
389 452
390////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 453//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
391 454
392struct coroapi { 455struct coroapi {
393 static struct CoroAPI *GCoroAPI; 456 static struct CoroAPI *GCoroAPI;
394 457
458 static EV_ATOMIC_T cede_pending;
459
395 static int nready () { return CORO_NREADY; } 460 static int nready () { return CORO_NREADY; }
396 static int cede () { return CORO_CEDE ; } 461 static int cede () { cede_pending = 0; return CORO_CEDE ; }
397 462
398 static int cede_counter; 463 static void do_cede_to_tick ();
399 464
400 static void cede_every (int count) 465 // actually cede's far more often
466 static bool cede_to_tick ()
401 { 467 {
402 if (++cede_counter >= count) 468 if (expect_true (!cede_pending))
403 { 469 return false;
404 cede_counter = 0;
405 470
406 if (coroapi::nready ()) 471 do_cede_to_tick ();
407 coroapi::cede (); 472 return true;
408 }
409 } 473 }
410};
411 474
412struct watcher_base 475 static void wait_for_tick ();
476 static void wait_for_tick_begin ();
477};
478
479struct evapi
413{ 480{
414 static struct EventAPI *GEventAPI; 481 static struct EVAPI *GEVAPI;
415}; 482};
416 483
417template<class base>
418struct watcher : watcher_base
419{
420 base *pe;
421
422 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
423 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
424 void now () { GEventAPI->now ((pe_watcher *)pe); }
425 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
426 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
427
428 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
429
430 ~watcher ()
431 {
432 cancel ();
433 }
434
435private:
436 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
437};
438
439struct iw : watcher<pe_idle>, callback<void (iw &)>
440{
441 template<class O, class M>
442 iw (O object, M method)
443 : callback<void (iw &)> (object, method)
444 {
445 alloc ();
446 }
447
448private:
449 void alloc ();
450};
451
452struct iow : watcher<pe_io>, callback<void (iow &, int)> 484struct iow : ev_io, evapi, callback<void (iow &, int)>
453{ 485{
486 static void thunk (EV_P_ struct ev_io *w_, int revents)
487 {
488 iow &w = *static_cast<iow *>(w_);
489
490 w (w, revents);
491 }
492
454 template<class O, class M> 493 template<class O, class M>
455 iow (O object, M method) 494 iow (O object, M method)
456 : callback<void (iow &, int)> (object, method) 495 : callback<void (iow &, int)> (object, method)
457 { 496 {
458 alloc (); 497 ev_init ((ev_io *)this, thunk);
459 } 498 }
460 499
461 void fd (int fd); 500 void prio (int prio)
462 int poll (); 501 {
502 ev_set_priority ((ev_io *)this, prio);
503 }
504
505 void set (int fd, int events)
506 {
507 ev_io_set ((ev_io *)this, fd, events);
508 }
509
510 int poll () const { return events; }
511
463 void poll (int events); 512 void poll (int events);
464 513
465private: 514 void start ()
466 void alloc (); 515 {
516 ev_io_start (EV_DEFAULT, (ev_io *)this);
517 }
518
519 void stop ()
520 {
521 ev_io_stop (EV_DEFAULT, (ev_io *)this);
522 }
523
524 ~iow ()
525 {
526 stop ();
527 }
528};
529
530struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
531{
532 static void thunk (EV_P_ struct ev_async *w_, int revents)
533 {
534 asyncw &w = *static_cast<asyncw *>(w_);
535
536 w (w, revents);
537 }
538
539 template<class O, class M>
540 asyncw (O object, M method)
541 : callback<void (asyncw &, int)> (object, method)
542 {
543 ev_init ((ev_async *)this, thunk);
544 }
545
546 void start ()
547 {
548 ev_async_start (EV_DEFAULT, (ev_async *)this);
549 }
550
551 void stop ()
552 {
553 ev_async_stop (EV_DEFAULT, (ev_async *)this);
554 }
555
556 ~asyncw ()
557 {
558 stop ();
559 }
467}; 560};
468 561
469#endif 562#endif
470 563

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