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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.54 by root, Sun Feb 11 01:38:48 2007 UTC vs.
Revision 1.97 by root, Thu May 8 20:03:50 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", __func__, SvPVutf8_nolen (ERRSV));
54 85
55#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 86#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
56#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 87#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
57#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 88#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
58#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; 89#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
… …
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_expand_cfpod (player *pl, std::string &msg);
101void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
102int cfperl_can_merge (object *ob1, object *ob2);
66 103
67////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 104//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
68 105
106#if IVSIZE >= 8
107 typedef IV val64;
108 typedef IV uval64;
109# define newSVval64 newSViv
110# define SvVAL64 SvIV
111# define newSVuval64 newSVuv
112# define SvUVAL64 SvUV
113#else
114 typedef double val64;
115 typedef double uval64;
116# define newSVval64 newSVnv
117# define SvVAL64 SvNV
118# define newSVuval64 newSVnv
119# define SvUVAL64 SvNV
120#endif
121
69// virtual server time, excluding time jumps and lag 122extern tstamp runtime; // virtual server time, excluding time jumps and lag
70extern double runtime; 123extern tstamp NOW; // real time of current server tick
71 124
72enum event_klass 125enum event_klass
73{ 126{
74 KLASS_NONE, 127 KLASS_NONE,
75 KLASS_GLOBAL, 128 KLASS_GLOBAL,
… …
86# define def(klass,name) EVENT_ ## klass ## _ ## name, 139# define def(klass,name) EVENT_ ## klass ## _ ## name,
87# include "eventinc.h" 140# include "eventinc.h"
88# undef def 141# undef def
89 NUM_EVENT_TYPES 142 NUM_EVENT_TYPES
90}; 143};
144
145// in which global events or per-type events are we interested
146extern bitset<NUM_EVENT_TYPES> ev_want_event;
147extern bitset<NUM_TYPES> ev_want_type;
91 148
92#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 149#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
93#define ARG_INT(v) DT_INT , static_cast<int> (v) 150#define ARG_INT(v) DT_INT , static_cast<int> (v)
94#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 151#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
95#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 152#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
102#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 159#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
103#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 160#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
104#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 161#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
105 162
106// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 163// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
107 164#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) 165#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) 166#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) 167#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) 168#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) 169#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) 170#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
115 171
116//TODO should index into @result 172//TODO should index into @result
117#define RESULT(idx,type) cfperl_result_ ## type (idx) 173#define RESULT(idx,type) cfperl_result_ ## type (idx)
118#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 174#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
119#define RESULT_INT(idx) RESULT(idx, INT) 175#define RESULT_INT(idx) RESULT(idx, INT)
… …
122int cfperl_result_INT (int idx); 178int cfperl_result_INT (int idx);
123 179
124////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 180//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
125 181
126INTERFACE_CLASS (attachable) 182INTERFACE_CLASS (attachable)
127struct attachable 183struct attachable : refcnt_base
128{ 184{
129 static MGVTBL vtbl; 185 static MGVTBL vtbl;
130 186
131 static unordered_vector<attachable *> mortals; 187 static unordered_vector<attachable *> mortals;
132 MTH static void check_mortals (); 188 MTH static void check_mortals ();
133 189
134 enum { 190 enum {
135 F_DESTROYED = 0x01, 191 F_DESTROYED = 0x01,
136 F_DEBUG_TRACE = 0x02, 192 F_DEBUG_TRACE = 0x02,
137 }; 193 };
194 int ACC (RW, flags);
138 195
139 // object is delete'd after the refcount reaches 0 196 // object is delete'd after the refcount reaches 0
140 mutable int ACC (RW, refcnt);
141 int ACC (RW, flags);
142
143 MTH void refcnt_inc () const { ++refcnt; }
144 MTH void refcnt_dec () const { --refcnt; }
145
146 MTH int refcnt_cnt () const; 197 MTH int refcnt_cnt () const;
147 // check wether the object has died and destroy 198 // check wether the object has died and destroy
148 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 199 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
149 200
150 // destroy the object unless it was already destroyed 201 // destroy the object unless it was already destroyed
151 // this politely asks everybody interested the reduce 202 // this politely asks everybody interested the reduce
152 // the refcount to 0 as soon as possible. 203 // the refcount to 0 as soon as possible.
153 MTH void destroy (); 204 MTH void destroy ();
… …
169 220
170 void sever_self (); // sever this object from its self, if it has one. 221 void sever_self (); // sever this object from its self, if it has one.
171 void optimise (); // possibly save some memory by destroying unneeded data 222 void optimise (); // possibly save some memory by destroying unneeded data
172 223
173 attachable () 224 attachable ()
174 : flags (0), refcnt (0), self (0), cb (0), attach (0) 225 : flags (0), self (0), cb (0), attach (0)
175 { 226 {
176 } 227 }
177 228
178 attachable (const attachable &src) 229 attachable (const attachable &src)
179 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 230 : flags (0), self (0), cb (0), attach (src.attach)
180 { 231 {
181 } 232 }
182 233
183 virtual ~attachable (); 234 // set a custom key to the given value, or delete it if value = 0
235 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
236
237 void set_key_text (const char *key, const char *value = 0)
238 {
239 set_key (key, value, 1);
240 }
241
242 void set_key_data (const char *key, const char *value = 0)
243 {
244 set_key (key, value, 0);
245 }
184 246
185 attachable &operator =(const attachable &src); 247 attachable &operator =(const attachable &src);
186 248
249 // used to _quickly_ device wether to shortcut the evaluation
250 bool should_invoke (event_type event)
251 {
252 return ev_want_event [event] || cb;
253 }
254
187 bool invoke (event_type event, ...); 255 bool invoke (event_type event, ...);
256
188 MTH void instantiate (); 257 MTH void instantiate ();
189 void reattach (); 258 void reattach ();
190 259
191protected: 260protected:
192 // do the real refcount checking work 261 // do the real refcount checking work
193 void do_check (); 262 void do_check ();
194 263
195 // the method that does the real destroy work 264 // the method that does the real destroy work
196 virtual void do_destroy (); 265 virtual void do_destroy ();
266
267 // destructor is protected, should not be called by anybody
268 virtual ~attachable ();
197}; 269};
198 270
199// the global object is a pseudo object that cares for the global events 271// the global object is a pseudo object that cares for the global events
200struct global : attachable 272struct global : attachable
201{ 273{
… …
204 276
205extern struct global gbl_ev; 277extern struct global gbl_ev;
206 278
207////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 279//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
208 280
281INTERFACE_CLASS(object_freezer)
209struct object_freezer : dynbuf 282struct object_freezer : dynbuf_text
210{ 283{
211 AV *av; 284 AV *av;
212 285
213 object_freezer (); 286 object_freezer ();
214 ~object_freezer (); 287 ~object_freezer ();
… …
218 // used only for user-defined key-value pairs 291 // used only for user-defined key-value pairs
219 void put (const shstr &k, const shstr &v) 292 void put (const shstr &k, const shstr &v)
220 { 293 {
221 add (k); 294 add (k);
222 295
223 if (v) 296 if (expect_true (v))
224 add (' '), add (v); 297 add (' '), add (v);
225 298
226 add ('\n'); 299 add ('\n');
227 } 300 }
228 301
229 //TODO//temporary, used only for saving body locations
230 void put (const char *k, int v)
231 {
232 add (k);
233 add (' ');
234 add (sint32 (v));
235 add ('\n');
236 }
237
238 template<typename T> 302 template<typename T>
239 void put_string (keyword k, const T &v) 303 void put_kw_string (keyword k, const T &v)
240 { 304 {
241 int klen = keyword_len [k]; 305 int klen = keyword_len [k];
242 int vlen = v ? strlen (v) + 1 : 0; 306 int vlen = v ? strlen (v) + 1 : 0;
243 307
244 char *p = (char *)alloc (klen + vlen + 1); 308 char *p = (char *)alloc (klen + vlen + 1);
245 309
246 memcpy (p, keyword_str [k], klen); p += klen; 310 memcpy (p, keyword_str [k], klen); p += klen;
247 311
248 if (v) 312 if (expect_true (v))
249 { 313 {
250 *p++ = ' '; vlen--; 314 *p++ = ' '; vlen--;
251 memcpy (p, v, vlen); p += vlen; 315 memcpy (p, v, vlen); p += vlen;
252 } 316 }
253 317
254 *p = '\n'; 318 *p = '\n';
255 } 319 }
256 320
257 void put (keyword k, const char *v = 0) 321 void put (keyword k, const char *v = 0)
258 { 322 {
259 put_string (k, v); 323 put_kw_string (k, v);
260 } 324 }
261 325
262 void put (keyword k, const shstr &v) 326 void put (keyword k, const shstr &v)
263 { 327 {
264 put_string (k, v); 328 put_kw_string (k, v);
265 } 329 }
266 330
267 void put (keyword k, double v) 331 void put (keyword k, double v)
268 { 332 {
269 char buf [128]; 333 force (MAX_KEYWORD_LEN + 2 + 32);
270 334 fadd (keyword_str [k], keyword_len [k]);
271 snprintf (buf, 128, "%.7g", v); 335 fadd (' ');
272 336 falloc (sprintf (ptr, "%.7g", v));
273 put (k, (const char *)buf); 337 fadd ('\n');
274 } 338 }
275 339
276 void put_(keyword k, sint64 v) 340 void put_(keyword k, sint64 v)
277 { 341 {
342 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
278 add (keyword_str [k], keyword_len [k]); 343 fadd (keyword_str [k], keyword_len [k]);
279 add (' '); 344 fadd (' ');
280 add (v); 345 add (v);
281 add ('\n'); 346 fadd ('\n');
282 } 347 }
283 348
284 void put_(keyword k, sint32 v) 349 void put_(keyword k, sint32 v)
285 { 350 {
351 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
286 add (keyword_str [k], keyword_len [k]); 352 fadd (keyword_str [k], keyword_len [k]);
287 add (' '); 353 fadd (' ');
288 add (v); 354 add (v);
289 add ('\n'); 355 fadd ('\n');
290 }
291
292 void put (keyword kbeg, keyword kend, const shstr &v)
293 {
294 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
295
296 if (v)
297 {
298 add (v);
299 add ('\n');
300 }
301
302 add (keyword_str [kend], keyword_len [kend]); add ('\n');
303 } 356 }
304 357
305 void put (keyword k, float v) { put (k, (double)v); } 358 void put (keyword k, float v) { put (k, (double)v); }
306 void put (keyword k, signed char v) { put_(k, (sint32)v); } 359 void put (keyword k, signed char v) { put_(k, (sint32)v); }
307 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 360 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
312 void put (keyword k, signed long v) { put_(k, (sint64)v); } 365 void put (keyword k, signed long v) { put_(k, (sint64)v); }
313 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 366 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
314 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 367 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
315 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 368 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
316 369
317 template<typename T> 370 void put (keyword kbeg, keyword kend, const shstr &v)
371 {
372 force (MAX_KEYWORD_LEN + 1);
373 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
374
375 if (expect_true (v))
376 {
377 add (v);
378 add ('\n');
379 }
380
381 force (MAX_KEYWORD_LEN + 1);
382 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
383 }
384
385 void put (keyword k, archetype *v);
386 void put (keyword k, treasurelist *v);
318 void put (keyword k, const T *v) 387 void put (keyword k, faceinfo *v);
319 {
320 if (v)
321 put (k, v->name);
322 else
323 put (k, (const char *)0);
324 }
325 388
326 template<typename T> 389 template<typename T>
327 void put (keyword k, const refptr<T> &v) 390 void put (keyword k, const refptr<T> &v)
328 { 391 {
329 put (k, (T *)v); 392 put (k, (T *)v);
330 } 393 }
331 394
332 bool save (const char *path); 395 MTH bool save (const_octet_string path);
333 char *as_string (); // like strdup 396 char *as_string (); // like strdup
334 397
335 operator bool () { return !!av; } 398 operator bool () { return !!av; }
336}; 399};
337 400
338// compatibility support, should be removed when no longer needed 401INTERFACE_CLASS(object_thawer)
339int fprintf (object_freezer &freezer, const char *format, ...);
340int fputs (const char *s, object_freezer &freezer);
341
342struct object_thawer 402struct object_thawer
343{ 403{
404 char *line; // current beginning of line
344 SV *text; // text part 405 SV *text; // text part
345 AV *av; // perl part 406 AV *av; // perl part
346 int linenum; 407 int linenum;
347 char *line; // current beginning of line 408 keyword kw;
348 char *last_keyword, *last_value; 409 char *kw_str; // the keyword parsed, as string
410 char *value; // the value, or 0 if no value
411 const char *value_nn; // the value, or the empty string if no value
349 const char *name; 412 const char *name;
350 413
351 operator bool () { return !!text; } 414 operator bool () const { return !!text; }
352 415
353 object_thawer (const char *path = 0); 416 object_thawer (const char *path = 0);
354 object_thawer (const char *data, AV *perlav); 417 object_thawer (const char *data, AV *perlav);
355 ~object_thawer (); 418 ~object_thawer ();
356 419
357 void get (attachable *obj, int oid); 420 void get (attachable *obj, int oid);
358 421
359 keyword get_kv (); // also parse value for later use 422 // parse next line
360 void skip_kv (keyword kw); 423 MTH void next ();
424 // skip the current key-value (usually fetch next line, for
425 // multiline-fields, skips till the corresponding end-kw
426 MTH void skip ();
427 MTH void skip_block (); // skips till and over KW_end
361 428
362 const char *get_str () { return last_value; } // may be 0 429 char *get_str () { return value; } // may be 0
363
364 void get (shstr &sh) const;
365 void get_ornull (shstr &sh) const { sh = last_value; }
366 void get_ml (keyword kend, shstr &sh); 430 void get_ml (keyword kend, shstr &sh);
367 431
432 void get_ornull (shstr &sh) const { sh = value; }
433 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
434
435 bool get_bool () const { return *value_nn == '1'; }
368 sint32 get_sint32 () const; 436 sint32 get_sint32 () const;
369 sint64 get_sint64 () const; 437 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
370 double get_double () const; 438 double get_double () const { return strtod (value_nn, 0); }
371 439
372 void get (float &v) { v = get_double (); } 440 void get (float &v) { v = get_double (); }
373 void get (double &v) { v = get_double (); } 441 void get (double &v) { v = get_double (); }
374 442
375 void get (bool &i) { i = get_sint32 (); } 443 void get (bool &i) { i = get_bool (); }
376 void get (sint8 &i) { i = get_sint32 (); } 444 void get (sint8 &i) { i = get_sint32 (); }
377 void get (uint8 &i) { i = get_sint32 (); } 445 void get (uint8 &i) { i = get_sint32 (); }
378 void get (sint16 &i) { i = get_sint32 (); } 446 void get (sint16 &i) { i = get_sint32 (); }
379 void get (uint16 &i) { i = get_sint32 (); } 447 void get (uint16 &i) { i = get_sint32 (); }
380 void get (sint32 &i) { i = get_sint32 (); } 448 void get (sint32 &i) { i = get_sint32 (); }
381 449
382 void get (uint32 &i) { i = get_sint64 (); } 450 void get (uint32 &i) { i = get_sint64 (); }
383 void get (sint64 &i) { i = get_sint64 (); } 451 void get (sint64 &i) { i = get_sint64 (); }
384 452
453 MTH void parse_warn (const char *msg);
385 bool parse_error (keyword kw, const char *type = 0, const char *name = 0, bool skip = true); 454 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
455
456 struct delayed_ref {
457 attachable *op;
458 object_ptr *ptr;
459 const char *ref;
460 };
461 std::vector<delayed_ref> delrefs;
462
463 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
464 MTH void resolve_delayed_derefs (bool deref = true);
386}; 465};
387 466
388//TODO: remove 467//TODO: remove
389char *fgets (char *s, int n, object_thawer &thawer); 468char *fgets (char *s, int n, object_thawer &thawer);
390 469
391////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 470//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
392 471
393struct coroapi { 472struct coroapi {
394 static struct CoroAPI *GCoroAPI; 473 static struct CoroAPI *GCoroAPI;
395 474
475 static EV_ATOMIC_T cede_pending;
476
396 static int nready () { return CORO_NREADY; } 477 static int nready () { return CORO_NREADY; }
397 static int cede () { return CORO_CEDE ; } 478 static int cede () { cede_pending = 0; return CORO_CEDE ; }
398 479
399 static int cede_counter; 480 static void do_cede_to_tick ();
400 481
401 static void cede_every (int count) 482 // actually cede's far more often
483 static bool cede_to_tick ()
402 { 484 {
403 if (++cede_counter >= count) 485 if (expect_true (!cede_pending))
404 { 486 return false;
405 cede_counter = 0;
406 487
407 if (coroapi::nready ()) 488 do_cede_to_tick ();
408 coroapi::cede (); 489 return true;
409 }
410 } 490 }
411};
412 491
413struct watcher_base 492 static void wait_for_tick ();
493 static void wait_for_tick_begin ();
494};
495
496struct evapi
414{ 497{
415 static struct EventAPI *GEventAPI; 498 static struct EVAPI *GEVAPI;
416}; 499};
417 500
418template<class base>
419struct watcher : watcher_base
420{
421 base *pe;
422
423 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
424 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
425 void now () { GEventAPI->now ((pe_watcher *)pe); }
426 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
427 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
428
429 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
430
431 ~watcher ()
432 {
433 cancel ();
434 }
435
436private:
437 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
438};
439
440struct iw : watcher<pe_idle>, callback<void (iw &)>
441{
442 template<class O, class M>
443 iw (O object, M method)
444 : callback<void (iw &)> (object, method)
445 {
446 alloc ();
447 }
448
449private:
450 void alloc ();
451};
452
453struct iow : watcher<pe_io>, callback<void (iow &, int)> 501struct iow : ev_io, evapi, callback<void (iow &, int)>
454{ 502{
503 static void thunk (EV_P_ struct ev_io *w_, int revents)
504 {
505 iow &w = *static_cast<iow *>(w_);
506
507 w (w, revents);
508 }
509
455 template<class O, class M> 510 template<class O, class M>
456 iow (O object, M method) 511 iow (O object, M method)
457 : callback<void (iow &, int)> (object, method) 512 : callback<void (iow &, int)> (object, method)
458 { 513 {
459 alloc (); 514 ev_init ((ev_io *)this, thunk);
460 } 515 }
461 516
462 void fd (int fd); 517 void prio (int prio)
463 int poll (); 518 {
519 ev_set_priority ((ev_io *)this, prio);
520 }
521
522 void set (int fd, int events)
523 {
524 ev_io_set ((ev_io *)this, fd, events);
525 }
526
527 int poll () const { return events; }
528
464 void poll (int events); 529 void poll (int events);
465 530
466private: 531 void start ()
467 void alloc (); 532 {
533 ev_io_start (EV_DEFAULT, (ev_io *)this);
534 }
535
536 void stop ()
537 {
538 ev_io_stop (EV_DEFAULT, (ev_io *)this);
539 }
540
541 ~iow ()
542 {
543 stop ();
544 }
545};
546
547struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
548{
549 static void thunk (EV_P_ struct ev_async *w_, int revents)
550 {
551 asyncw &w = *static_cast<asyncw *>(w_);
552
553 w (w, revents);
554 }
555
556 template<class O, class M>
557 asyncw (O object, M method)
558 : callback<void (asyncw &, int)> (object, method)
559 {
560 ev_init ((ev_async *)this, thunk);
561 }
562
563 void start ()
564 {
565 ev_async_start (EV_DEFAULT, (ev_async *)this);
566 }
567
568 void stop ()
569 {
570 ev_async_stop (EV_DEFAULT, (ev_async *)this);
571 }
572
573 ~asyncw ()
574 {
575 stop ();
576 }
468}; 577};
469 578
470#endif 579#endif
471 580

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