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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 1.99 by root, Mon Sep 8 11:27:25 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__
… …
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"
… …
27// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
28#undef localtime 51#undef localtime
29#undef srand48 52#undef srand48
30#undef drand48 53#undef drand48
31#undef srandom 54#undef srandom
55#undef opendir
32#undef readdir 56#undef readdir
57#undef closedir
33#undef getprotobyname 58#undef getprotobyname
34#undef gethostbyname 59#undef gethostbyname
35#undef ctime 60#undef ctime
36#undef strerror 61#undef strerror
62#undef _
37 63
38// same here, massive symbol spamming 64// same here, massive symbol spamming
39#undef do_open 65#undef do_open
40#undef do_close 66#undef do_close
41#undef ref 67#undef ref
… …
46#undef random 72#undef random
47#undef crypt 73#undef crypt
48 74
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50 76
77#define _(msg) (msg)
78#define N_(msg) (msg)
79
80//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
81
51// some macros to simplify perl in-calls 82// some macros to simplify perl in-calls
52 83
53#define CHECK_ERROR \ 84#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \ 85 if (SvTRUE (ERRSV)) \
55 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 86 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
56 87
57#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 88#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 89#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))) 90#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; 91#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
… …
62 93
63////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 94//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
64 95
65void cfperl_init (); 96void cfperl_init ();
66void cfperl_main (); 97void cfperl_main ();
98void cfperl_tick ();
67void cfperl_emergency_save (); 99void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 100void cfperl_cleanup (int make_core);
101void cfperl_make_book (object *book, int level);
102void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
103int cfperl_can_merge (object *ob1, object *ob2);
69 104
70////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 105//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
71 106
107#if IVSIZE >= 8
108 typedef IV val64;
109 typedef IV uval64;
110# define newSVval64 newSViv
111# define SvVAL64 SvIV
112# define newSVuval64 newSVuv
113# define SvUVAL64 SvUV
114#else
115 typedef double val64;
116 typedef double uval64;
117# define newSVval64 newSVnv
118# define SvVAL64 SvNV
119# define newSVuval64 newSVnv
120# define SvUVAL64 SvNV
121#endif
122
72// virtual server time, excluding time jumps and lag 123extern tstamp runtime; // virtual server time, excluding time jumps and lag
73extern double runtime; 124extern tstamp NOW; // real time of current server tick
74 125
75enum event_klass 126enum event_klass
76{ 127{
77 KLASS_NONE, 128 KLASS_NONE,
78 KLASS_GLOBAL, 129 KLASS_GLOBAL,
… …
109#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 160#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
110#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 161#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
111#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 162#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
112 163
113// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 164// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
114 165#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) 166#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) 167#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) 168#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) 169#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) 170#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) 171#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
122 172
123//TODO should index into @result 173//TODO should index into @result
124#define RESULT(idx,type) cfperl_result_ ## type (idx) 174#define RESULT(idx,type) cfperl_result_ ## type (idx)
125#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 175#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
126#define RESULT_INT(idx) RESULT(idx, INT) 176#define RESULT_INT(idx) RESULT(idx, INT)
… …
129int cfperl_result_INT (int idx); 179int cfperl_result_INT (int idx);
130 180
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 181//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 182
133INTERFACE_CLASS (attachable) 183INTERFACE_CLASS (attachable)
134struct attachable 184struct attachable : refcnt_base
135{ 185{
136 static MGVTBL vtbl; 186 static MGVTBL vtbl;
137 187
138 static unordered_vector<attachable *> mortals; 188 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals (); 189 MTH static void check_mortals ();
140 190
141 enum { 191 enum {
142 F_DESTROYED = 0x01, 192 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 193 F_DEBUG_TRACE = 0x02,
144 }; 194 };
195 int ACC (RW, flags);
145 196
146 // object is delete'd after the refcount reaches 0 197 // 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; 198 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 199 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 200 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 201
157 // destroy the object unless it was already destroyed 202 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 203 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 204 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 205 MTH void destroy ();
… …
176 221
177 void sever_self (); // sever this object from its self, if it has one. 222 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 223 void optimise (); // possibly save some memory by destroying unneeded data
179 224
180 attachable () 225 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 226 : flags (0), self (0), cb (0), attach (0)
182 { 227 {
183 } 228 }
184 229
185 attachable (const attachable &src) 230 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 231 : flags (0), self (0), cb (0), attach (src.attach)
187 { 232 {
188 } 233 }
189 234
190 virtual ~attachable (); 235 // set a custom key to the given value, or delete it if value = 0
236 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
237
238 void set_key_text (const char *key, const char *value = 0)
239 {
240 set_key (key, value, 1);
241 }
242
243 void set_key_data (const char *key, const char *value = 0)
244 {
245 set_key (key, value, 0);
246 }
191 247
192 attachable &operator =(const attachable &src); 248 attachable &operator =(const attachable &src);
193 249
194 bool vinvoke (event_type event, va_list &ap); 250 // used to _quickly_ device wether to shortcut the evaluation
251 bool should_invoke (event_type event)
252 {
253 return ev_want_event [event] || cb;
254 }
255
195 bool invoke (event_type event, ...) 256 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 }
205 257
206 MTH void instantiate (); 258 MTH void instantiate ();
207 void reattach (); 259 void reattach ();
208 260
209protected: 261protected:
210 // do the real refcount checking work 262 // do the real refcount checking work
211 void do_check (); 263 void do_check ();
212 264
213 // the method that does the real destroy work 265 // the method that does the real destroy work
214 virtual void do_destroy (); 266 virtual void do_destroy ();
267
268 // destructor is protected, should not be called by anybody
269 virtual ~attachable ();
215}; 270};
216 271
217// the global object is a pseudo object that cares for the global events 272// the global object is a pseudo object that cares for the global events
218struct global : attachable 273struct global : attachable
219{ 274{
… …
222 277
223extern struct global gbl_ev; 278extern struct global gbl_ev;
224 279
225////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 280//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
226 281
282INTERFACE_CLASS(object_freezer)
227struct object_freezer : dynbuf_text 283struct object_freezer : dynbuf_text
228{ 284{
229 AV *av; 285 AV *av;
230 286
231 object_freezer (); 287 object_freezer ();
… …
236 // used only for user-defined key-value pairs 292 // used only for user-defined key-value pairs
237 void put (const shstr &k, const shstr &v) 293 void put (const shstr &k, const shstr &v)
238 { 294 {
239 add (k); 295 add (k);
240 296
241 if (v) 297 if (expect_true (v))
242 add (' '), add (v); 298 add (' '), add (v);
243 299
244 add ('\n'); 300 add ('\n');
245 } 301 }
246 302
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> 303 template<typename T>
257 void put_string (keyword k, const T &v) 304 void put_kw_string (keyword k, const T &v)
258 { 305 {
259 int klen = keyword_len [k]; 306 int klen = keyword_len [k];
260 int vlen = v ? strlen (v) + 1 : 0; 307 int vlen = v ? strlen (v) + 1 : 0;
261 308
262 char *p = (char *)alloc (klen + vlen + 1); 309 char *p = (char *)alloc (klen + vlen + 1);
263 310
264 memcpy (p, keyword_str [k], klen); p += klen; 311 memcpy (p, keyword_str [k], klen); p += klen;
265 312
266 if (v) 313 if (expect_true (v))
267 { 314 {
268 *p++ = ' '; vlen--; 315 *p++ = ' '; vlen--;
269 memcpy (p, v, vlen); p += vlen; 316 memcpy (p, v, vlen); p += vlen;
270 } 317 }
271 318
272 *p = '\n'; 319 *p = '\n';
273 } 320 }
274 321
275 void put (keyword k, const char *v = 0) 322 void put (keyword k, const char *v = 0)
276 { 323 {
277 put_string (k, v); 324 put_kw_string (k, v);
278 } 325 }
279 326
280 void put (keyword k, const shstr &v) 327 void put (keyword k, const shstr &v)
281 { 328 {
282 put_string (k, v); 329 put_kw_string (k, v);
283 } 330 }
284 331
285 void put (keyword k, double v) 332 void put (keyword k, double v)
286 { 333 {
287 char buf [128]; 334 force (MAX_KEYWORD_LEN + 2 + 32);
288 335 fadd (keyword_str [k], keyword_len [k]);
289 snprintf (buf, 128, "%.7g", v); 336 fadd (' ');
290 337 falloc (sprintf (ptr, "%.7g", v));
291 put (k, (const char *)buf); 338 fadd ('\n');
292 } 339 }
293 340
294 void put_(keyword k, sint64 v) 341 void put_(keyword k, sint64 v)
295 { 342 {
343 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
296 add (keyword_str [k], keyword_len [k]); 344 fadd (keyword_str [k], keyword_len [k]);
297 add (' '); 345 fadd (' ');
298 add (v); 346 add (v);
299 add ('\n'); 347 fadd ('\n');
300 } 348 }
301 349
302 void put_(keyword k, sint32 v) 350 void put_(keyword k, sint32 v)
303 { 351 {
352 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
304 add (keyword_str [k], keyword_len [k]); 353 fadd (keyword_str [k], keyword_len [k]);
305 add (' '); 354 fadd (' ');
306 add (v); 355 add (v);
307 add ('\n'); 356 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 } 357 }
322 358
323 void put (keyword k, float v) { put (k, (double)v); } 359 void put (keyword k, float v) { put (k, (double)v); }
324 void put (keyword k, signed char v) { put_(k, (sint32)v); } 360 void put (keyword k, signed char v) { put_(k, (sint32)v); }
325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 361 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
330 void put (keyword k, signed long v) { put_(k, (sint64)v); } 366 void put (keyword k, signed long v) { put_(k, (sint64)v); }
331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 367 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
332 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 368 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); } 369 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
334 370
335 template<typename T> 371 void put (keyword kbeg, keyword kend, const shstr &v)
372 {
373 force (MAX_KEYWORD_LEN + 1);
374 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
375
376 if (expect_true (v))
377 {
378 add (v);
379 add ('\n');
380 }
381
382 force (MAX_KEYWORD_LEN + 1);
383 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
384 }
385
386 void put (keyword k, archetype *v);
387 void put (keyword k, treasurelist *v);
336 void put (keyword k, const T *v) 388 void put (keyword k, faceinfo *v);
337 {
338 if (v)
339 put (k, v->name);
340 else
341 put (k, (const char *)0);
342 }
343 389
344 template<typename T> 390 template<typename T>
345 void put (keyword k, const refptr<T> &v) 391 void put (keyword k, const refptr<T> &v)
346 { 392 {
347 put (k, (T *)v); 393 put (k, (T *)v);
348 } 394 }
349 395
350 bool save (const char *path); 396 MTH bool save (const_octet_string path);
351 char *as_string (); // like strdup 397 char *as_string (); // like strdup
352 398
353 operator bool () { return !!av; } 399 operator bool () { return !!av; }
354}; 400};
355 401
356// compatibility support, should be removed when no longer needed 402INTERFACE_CLASS(object_thawer)
357void fprintf (object_freezer &freezer, const char *format, ...);
358void fputs (const char *s, object_freezer &freezer);
359
360struct object_thawer 403struct object_thawer
361{ 404{
405 char *line; // current beginning of line
362 SV *text; // text part 406 SV *text; // text part
363 AV *av; // perl part 407 AV *av; // perl part
364 int linenum; 408 int linenum;
365 char *line; // current beginning of line
366 keyword kw; 409 keyword kw;
367 char *kw_str, *value; 410 char *kw_str; // the keyword parsed, as string
411 char *value; // the value, or 0 if no value
412 const char *value_nn; // the value, or the empty string if no value
368 const char *name; 413 const char *name;
369 414
370 operator bool () { return !!text; } 415 operator bool () const { return !!text; }
371 416
372 object_thawer (const char *path = 0); 417 object_thawer (const char *path = 0);
373 object_thawer (const char *data, AV *perlav); 418 object_thawer (const char *data, AV *perlav);
374 ~object_thawer (); 419 ~object_thawer ();
375 420
376 void get (attachable *obj, int oid); 421 void get (attachable *obj, int oid);
377 422
378 // parse next line 423 // parse next line
379 void next (); 424 MTH void next ();
380 // skip the current key-value (usually fetch next line, for 425 // skip the current key-value (usually fetch next line, for
381 // multiline-fields, skips untilt he corresponding end-kw 426 // multiline-fields, skips till the corresponding end-kw
382 void skip (); 427 MTH void skip ();
383 428 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 }
390 429
391 char *get_str () { return value; } // may be 0 430 char *get_str () { return value; } // may be 0
431 void get_ml (keyword kend, shstr &sh);
392 432
393 void get (shstr &sh) const;
394 void get_ornull (shstr &sh) const { sh = value; } 433 void get_ornull (shstr &sh) const { sh = value; }
395 void get_ml (keyword kend, shstr &sh); 434 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
396 435
436 bool get_bool () const { return *value_nn == '1'; }
397 sint32 get_sint32 () const; 437 sint32 get_sint32 () const;
398 sint64 get_sint64 () const; 438 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
399 double get_double () const; 439 double get_double () const { return strtod (value_nn, 0); }
400 440
401 void get (float &v) { v = get_double (); } 441 void get (float &v) { v = get_double (); }
402 void get (double &v) { v = get_double (); } 442 void get (double &v) { v = get_double (); }
403 443
404 void get (bool &i) { i = get_sint32 (); } 444 void get (bool &i) { i = get_bool (); }
405 void get (sint8 &i) { i = get_sint32 (); } 445 void get (sint8 &i) { i = get_sint32 (); }
406 void get (uint8 &i) { i = get_sint32 (); } 446 void get (uint8 &i) { i = get_sint32 (); }
407 void get (sint16 &i) { i = get_sint32 (); } 447 void get (sint16 &i) { i = get_sint32 (); }
408 void get (uint16 &i) { i = get_sint32 (); } 448 void get (uint16 &i) { i = get_sint32 (); }
409 void get (sint32 &i) { i = get_sint32 (); } 449 void get (sint32 &i) { i = get_sint32 (); }
410 450
411 void get (uint32 &i) { i = get_sint64 (); } 451 void get (uint32 &i) { i = get_sint64 (); }
412 void get (sint64 &i) { i = get_sint64 (); } 452 void get (sint64 &i) { i = get_sint64 (); }
413 453
454 MTH void parse_warn (const char *msg);
414 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 455 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
456
457 struct delayed_ref {
458 attachable *op;
459 object_ptr *ptr;
460 const char *ref;
461 };
462 std::vector<delayed_ref> delrefs;
463
464 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
465 MTH void resolve_delayed_derefs (bool deref = true);
415}; 466};
416 467
417//TODO: remove 468//TODO: remove
418char *fgets (char *s, int n, object_thawer &thawer); 469char *fgets (char *s, int n, object_thawer &thawer);
419 470
420////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 471//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
421 472
422struct coroapi { 473struct coroapi {
423 static struct CoroAPI *GCoroAPI; 474 static struct CoroAPI *GCoroAPI;
424 475
476 static EV_ATOMIC_T cede_pending;
477
425 static int nready () { return CORO_NREADY; } 478 static int nready () { return CORO_NREADY; }
426 static int cede () { return CORO_CEDE ; } 479 static int cede () { cede_pending = 0; return CORO_CEDE ; }
427 480
428 static double (*time)();
429 static double next_cede;
430 static int cede_counter;
431
432 static void do_cede_every ();
433 static void do_cede_to_tick (); 481 static void do_cede_to_tick ();
434 static void do_cede_to_tick_every ();
435 482
436 static void cede_every (int count) 483 // actually cede's far more often
437 {
438 if (++cede_counter >= count)
439 do_cede_every ();
440 }
441
442 static void cede_to_tick () 484 static bool cede_to_tick ()
443 { 485 {
444 if (time () >= next_cede) 486 if (expect_true (!cede_pending))
487 return false;
488
445 do_cede_to_tick (); 489 do_cede_to_tick ();
446 } 490 return true;
447
448 static void cede_to_tick_every (int count)
449 {
450 if (++cede_counter >= count)
451 cede_to_tick ();
452 } 491 }
453 492
454 static void wait_for_tick (); 493 static void wait_for_tick ();
455 static void wait_for_tick_begin (); 494 static void wait_for_tick_begin ();
456}; 495};
457 496
458struct watcher_base 497struct evapi
459{ 498{
460 static struct EventAPI *GEventAPI; 499 static struct EVAPI *GEVAPI;
461}; 500};
462 501
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)> 502struct iow : ev_io, evapi, callback<void (iow &, int)>
499{ 503{
504 static void thunk (EV_P_ struct ev_io *w_, int revents)
505 {
506 iow &w = *static_cast<iow *>(w_);
507
508 w (w, revents);
509 }
510
500 template<class O, class M> 511 template<class O, class M>
501 iow (O object, M method) 512 iow (O object, M method)
502 : callback<void (iow &, int)> (object, method) 513 : callback<void (iow &, int)> (object, method)
503 { 514 {
504 alloc (); 515 ev_init ((ev_io *)this, thunk);
505 } 516 }
506 517
507 void fd (int fd); 518 void prio (int prio)
508 int poll (); 519 {
520 ev_set_priority ((ev_io *)this, prio);
521 }
522
523 void set (int fd, int events)
524 {
525 ev_io_set ((ev_io *)this, fd, events);
526 }
527
528 int poll () const { return events; }
529
509 void poll (int events); 530 void poll (int events);
510 531
511private: 532 void start ()
512 void alloc (); 533 {
534 ev_io_start (EV_DEFAULT, (ev_io *)this);
535 }
536
537 void stop ()
538 {
539 ev_io_stop (EV_DEFAULT, (ev_io *)this);
540 }
541
542 ~iow ()
543 {
544 stop ();
545 }
546};
547
548struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
549{
550 static void thunk (EV_P_ struct ev_async *w_, int revents)
551 {
552 asyncw &w = *static_cast<asyncw *>(w_);
553
554 w (w, revents);
555 }
556
557 template<class O, class M>
558 asyncw (O object, M method)
559 : callback<void (asyncw &, int)> (object, method)
560 {
561 ev_init ((ev_async *)this, thunk);
562 }
563
564 void start ()
565 {
566 ev_async_start (EV_DEFAULT, (ev_async *)this);
567 }
568
569 void stop ()
570 {
571 ev_async_stop (EV_DEFAULT, (ev_async *)this);
572 }
573
574 ~asyncw ()
575 {
576 stop ();
577 }
513}; 578};
514 579
515#endif 580#endif
516 581

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