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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.42 by root, Sat Dec 30 10:16:10 2006 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
66#undef seed
40 67
41// perl bug #40256: perl does overwrite those with reentrant versions 68// perl bug #40256: perl does overwrite those with reentrant versions
42// but does not initialise their state structures. 69// but does not initialise their state structures.
43#undef random 70#undef random
44#undef crypt 71#undef crypt
45 72
46////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
47 74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
48// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
49 81
50// FUNCTION is, afaik, a gnu extension
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));
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)
60 91
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 93
63void cfperl_init (); 94void cfperl_init ();
64void cfperl_main (); 95void cfperl_main ();
96void cfperl_tick ();
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);
65 102
66////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 103//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
67 104
68// virtual server time, excluding time jumps and lag 105extern tstamp runtime; // virtual server time, excluding time jumps and lag
69extern double runtime; 106extern tstamp NOW; // real time of current server tick
70 107
71enum event_klass 108enum event_klass
72{ 109{
73 KLASS_NONE, 110 KLASS_NONE,
74 KLASS_GLOBAL, 111 KLASS_GLOBAL,
85# define def(klass,name) EVENT_ ## klass ## _ ## name, 122# define def(klass,name) EVENT_ ## klass ## _ ## name,
86# include "eventinc.h" 123# include "eventinc.h"
87# undef def 124# undef def
88 NUM_EVENT_TYPES 125 NUM_EVENT_TYPES
89}; 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;
90 131
91#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 132#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
92#define ARG_INT(v) DT_INT , static_cast<int> (v) 133#define ARG_INT(v) DT_INT , static_cast<int> (v)
93#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 134#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
94#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 135#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
101#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 142#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
102#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 143#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
103#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 144#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
104 145
105// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 146// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
106 147#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
107// all these return true when the normal event processing should be skipped (if any)
108#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__)
109#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__)
110#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__)
111#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__)
112#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__)
113#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__)
114 154
115//TODO should index into @result 155//TODO should index into @result
116#define RESULT(idx,type) cfperl_result_ ## type (idx) 156#define RESULT(idx,type) cfperl_result_ ## type (idx)
117#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 157#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
118#define RESULT_INT(idx) RESULT(idx, INT) 158#define RESULT_INT(idx) RESULT(idx, INT)
120double cfperl_result_DOUBLE (int idx); 160double cfperl_result_DOUBLE (int idx);
121int cfperl_result_INT (int idx); 161int cfperl_result_INT (int idx);
122 162
123////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 163//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124 164
125struct attachable 165INTERFACE_CLASS (attachable)
166struct attachable : refcnt_base
126{ 167{
127 static MGVTBL vtbl; 168 static MGVTBL vtbl;
128 169
129 static unordered_vector<attachable *> mortals; 170 static unordered_vector<attachable *> mortals;
130 static void check_mortals (); 171 MTH static void check_mortals ();
131 172
132 enum { 173 enum {
133 F_DESTROYED = 0x01, 174 F_DESTROYED = 0x01,
134 F_BORROWED = 0x02, 175 F_DEBUG_TRACE = 0x02,
135 }; 176 };
177 int ACC (RW, flags);
136 178
137 // object is delete'd after the refcount reaches 0 179 // object is delete'd after the refcount reaches 0
138 mutable int refcnt; 180 MTH int refcnt_cnt () const;
139 int flags;
140
141 void refcnt_inc () const { ++refcnt; }
142 void refcnt_dec () const { --refcnt; }
143
144 // check wether the object has died and destroy 181 // check wether the object has died and destroy
145 void refcnt_chk () { if (refcnt <= 0) do_check (); } 182 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
146 183
147 // destroy the object unless it was already destroyed 184 // destroy the object unless it was already destroyed
148 // this politely asks everybody interested the reduce 185 // this politely asks everybody interested the reduce
149 // the refcount to 0 as soon as possible. 186 // the refcount to 0 as soon as possible.
150 void destroy (); 187 MTH void destroy ();
151 188
152 // return wether an object was destroyed already 189 // return wether an object was destroyed already
153 bool destroyed () const { return flags & F_DESTROYED; } 190 MTH bool destroyed () const { return flags & F_DESTROYED; }
154 191
155 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 192 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
156 193
157#if 0 194#if 0
158private: 195private:
162 199
163 HV *self; // CF+ perl self 200 HV *self; // CF+ perl self
164 AV *cb; // CF+ callbacks 201 AV *cb; // CF+ callbacks
165 shstr attach; // generic extension attachment information 202 shstr attach; // generic extension attachment information
166 203
204 void sever_self (); // sever this object from its self, if it has one.
167 void optimise (); // possibly save some memory by destroying unneeded data 205 void optimise (); // possibly save some memory by destroying unneeded data
168 206
169 attachable () 207 attachable ()
170 : flags (0), refcnt (0), self (0), cb (0), attach (0) 208 : flags (0), self (0), cb (0), attach (0)
171 { 209 {
172 } 210 }
173 211
174 attachable (const attachable &src) 212 attachable (const attachable &src)
175 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 213 : flags (0), self (0), cb (0), attach (src.attach)
176 { 214 {
177 } 215 }
178 216
179 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 }
180 229
181 attachable &operator =(const attachable &src); 230 attachable &operator =(const attachable &src);
182 231
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
183 bool invoke (event_type event, ...); 238 bool invoke (event_type event, ...);
239
184 void instantiate (); 240 MTH void instantiate ();
185 void reattach (); 241 void reattach ();
186 242
187protected: 243protected:
188 // do the real refcount checking work 244 // do the real refcount checking work
189 void do_check (); 245 void do_check ();
190 246
191 // the method that does the real destroy work 247 // the method that does the real destroy work
192 virtual void do_destroy (); 248 virtual void do_destroy ();
249
250 // destructor is protected, should not be called by anybody
251 virtual ~attachable ();
193}; 252};
194 253
195// 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
196struct global : attachable 255struct global : attachable
197{ 256{
200 259
201extern struct global gbl_ev; 260extern struct global gbl_ev;
202 261
203////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 262//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
204 263
264INTERFACE_CLASS(object_freezer)
205struct object_freezer : dynbuf 265struct object_freezer : dynbuf_text
206{ 266{
207 AV *av; 267 AV *av;
208 268
209 object_freezer (); 269 object_freezer ();
210 ~object_freezer (); 270 ~object_freezer ();
214 // used only for user-defined key-value pairs 274 // used only for user-defined key-value pairs
215 void put (const shstr &k, const shstr &v) 275 void put (const shstr &k, const shstr &v)
216 { 276 {
217 add (k); 277 add (k);
218 278
219 if (v) 279 if (expect_true (v))
220 add (' '), add (v); 280 add (' '), add (v);
221 281
222 add ('\n'); 282 add ('\n');
223 } 283 }
224 284
225 //TODO//temporary, used only for saving body locations
226 void put (const char *k, int v)
227 {
228 add (k);
229 add (' ');
230 add (sint32 (v));
231 add ('\n');
232 }
233
234 template<typename T> 285 template<typename T>
235 void put_string (keyword k, const T &v) 286 void put_kw_string (keyword k, const T &v)
236 { 287 {
237 int klen = keyword_len [k]; 288 int klen = keyword_len [k];
238 int vlen = v ? strlen (v) + 1 : 0; 289 int vlen = v ? strlen (v) + 1 : 0;
239 290
240 char *p = (char *)alloc (klen + vlen + 1); 291 char *p = (char *)alloc (klen + vlen + 1);
241 292
242 memcpy (p, keyword_str [k], klen); p += klen; 293 memcpy (p, keyword_str [k], klen); p += klen;
243 294
244 if (v) 295 if (expect_true (v))
245 { 296 {
246 *p++ = ' '; vlen--; 297 *p++ = ' '; vlen--;
247 memcpy (p, v, vlen); p += vlen; 298 memcpy (p, v, vlen); p += vlen;
248 } 299 }
249 300
250 *p = '\n'; 301 *p = '\n';
251 } 302 }
252 303
253 void put (keyword k, const char *v) 304 void put (keyword k, const char *v = 0)
254 { 305 {
255 put_string (k, v); 306 put_kw_string (k, v);
256 } 307 }
257 308
258 void put (keyword k, const shstr &v) 309 void put (keyword k, const shstr &v)
259 { 310 {
260 put_string (k, v); 311 put_kw_string (k, v);
261 } 312 }
262 313
263 void put (keyword k, double v) 314 void put (keyword k, double v)
264 { 315 {
265 char buf [128]; 316 force (MAX_KEYWORD_LEN + 2 + 32);
266 317 fadd (keyword_str [k], keyword_len [k]);
267 snprintf (buf, 128, "%.7g", v); 318 fadd (' ');
268 319 falloc (sprintf (ptr, "%.7g", v));
269 put (k, (const char *)buf); 320 fadd ('\n');
270 } 321 }
271 322
272 void put_(keyword k, sint64 v) 323 void put_(keyword k, sint64 v)
273 { 324 {
325 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
274 add (keyword_str [k], keyword_len [k]); 326 fadd (keyword_str [k], keyword_len [k]);
275 add (' '); 327 fadd (' ');
276 add (v); 328 add (v);
277 add ('\n'); 329 fadd ('\n');
278 } 330 }
279 331
280 void put_(keyword k, sint32 v) 332 void put_(keyword k, sint32 v)
281 { 333 {
334 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
282 add (keyword_str [k], keyword_len [k]); 335 fadd (keyword_str [k], keyword_len [k]);
283 add (' '); 336 fadd (' ');
284 add (v); 337 add (v);
285 add ('\n'); 338 fadd ('\n');
286 }
287
288 void put (keyword kbeg, keyword kend, const shstr &v)
289 {
290 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
291
292 if (v)
293 {
294 add (v);
295 add ('\n');
296 }
297
298 add (keyword_str [kend], keyword_len [kend]); add ('\n');
299 } 339 }
300 340
301 void put (keyword k, float v) { put (k, (double)v); } 341 void put (keyword k, float v) { put (k, (double)v); }
302 void put (keyword k, signed char v) { put_(k, (sint32)v); } 342 void put (keyword k, signed char v) { put_(k, (sint32)v); }
303 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 343 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
308 void put (keyword k, signed long v) { put_(k, (sint64)v); } 348 void put (keyword k, signed long v) { put_(k, (sint64)v); }
309 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 349 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
310 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); }
311 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); }
312 352
313 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);
314 void put (keyword k, const T *v) 370 void put (keyword k, faceinfo *v);
315 {
316 if (v)
317 put (k, v->name);
318 else
319 put (k, (const char *)0);
320 }
321 371
322 template<typename T> 372 template<typename T>
323 void put (keyword k, const refptr<T> &v) 373 void put (keyword k, const refptr<T> &v)
324 { 374 {
325 put (k, (T *)v); 375 put (k, (T *)v);
326 } 376 }
327 377
328 bool save (const char *filename); 378 MTH bool save (const_octet_string path);
329 char *as_string (); // like strdup 379 char *as_string (); // like strdup
330 380
331 operator bool () { return !!av; } 381 operator bool () { return !!av; }
332}; 382};
333 383
334// compatibility support, should be removed when no longer needed 384INTERFACE_CLASS(object_thawer)
335int fprintf (object_freezer &freezer, const char *format, ...);
336int fputs (const char *s, object_freezer &freezer);
337
338struct object_thawer 385struct object_thawer
339{ 386{
387 char *line; // current beginning of line
340 SV *text; // text part 388 SV *text; // text part
341 AV *av; // perl part 389 AV *av; // perl part
342 char *line; // current beginning of line 390 int linenum;
343 char *last_keyword, *last_value; 391 keyword kw;
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
395 const char *name;
344 396
345 operator bool () { return !!text; } 397 operator bool () const { return !!text; }
346 398
347 object_thawer (const char *filename = 0); 399 object_thawer (const char *path = 0);
348 object_thawer (const char *data, AV *perlav); 400 object_thawer (const char *data, AV *perlav);
349 ~object_thawer (); 401 ~object_thawer ();
350 402
351 void get (attachable *obj, int oid); 403 void get (attachable *obj, int oid);
352 404
353 keyword get_kv (); // also parse value for later use 405 // parse next line
354 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
355 411
356 const char *get_str () { return last_value; } // may be 0 412 char *get_str () { return value; } // may be 0
357
358 void get (shstr &sh) const;
359 void get_ornull (shstr &sh) const { sh = last_value; }
360 void get_ml (keyword kend, shstr &sh); 413 void get_ml (keyword kend, shstr &sh);
361 414
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'; }
362 sint32 get_sint32 () const; 419 sint32 get_sint32 () const;
363 sint64 get_sint64 () const; 420 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
364 double get_double () const; 421 double get_double () const { return strtod (value_nn, 0); }
365 422
366 void get (float &v) { v = get_double (); } 423 void get (float &v) { v = get_double (); }
367 void get (double &v) { v = get_double (); } 424 void get (double &v) { v = get_double (); }
368 425
369 void get (bool &i) { i = get_sint32 (); } 426 void get (bool &i) { i = get_bool (); }
370 void get (sint8 &i) { i = get_sint32 (); } 427 void get (sint8 &i) { i = get_sint32 (); }
371 void get (uint8 &i) { i = get_sint32 (); } 428 void get (uint8 &i) { i = get_sint32 (); }
372 void get (sint16 &i) { i = get_sint32 (); } 429 void get (sint16 &i) { i = get_sint32 (); }
373 void get (uint16 &i) { i = get_sint32 (); } 430 void get (uint16 &i) { i = get_sint32 (); }
374 void get (sint32 &i) { i = get_sint32 (); } 431 void get (sint32 &i) { i = get_sint32 (); }
375 432
376 void get (uint32 &i) { i = get_sint64 (); } 433 void get (uint32 &i) { i = get_sint64 (); }
377 void get (sint64 &i) { i = get_sint64 (); } 434 void get (sint64 &i) { i = get_sint64 (); }
378};
379 435
436 MTH void parse_warn (const char *msg);
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);
448};
449
450//TODO: remove
380char *fgets (char *s, int n, object_thawer &thawer); 451char *fgets (char *s, int n, object_thawer &thawer);
381 452
382////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 453//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
383 454
384struct coroapi { 455struct coroapi {
385 static struct CoroAPI *GCoroAPI; 456 static struct CoroAPI *GCoroAPI;
386 457
458 static EV_ATOMIC_T cede_pending;
459
387 static int nready () { return CORO_NREADY; } 460 static int nready () { return CORO_NREADY; }
388 static int cede () { return CORO_CEDE ; } 461 static int cede () { cede_pending = 0; return CORO_CEDE ; }
389};
390 462
391struct watcher_base 463 static void do_cede_to_tick ();
464
465 // actually cede's far more often
466 static bool cede_to_tick ()
467 {
468 if (expect_true (!cede_pending))
469 return false;
470
471 do_cede_to_tick ();
472 return true;
473 }
474
475 static void wait_for_tick ();
476 static void wait_for_tick_begin ();
477};
478
479struct evapi
392{ 480{
393 static struct EventAPI *GEventAPI; 481 static struct EVAPI *GEVAPI;
394}; 482};
395 483
396template<class base>
397struct watcher : watcher_base
398{
399 base *pe;
400
401 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
402 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
403 void now () { GEventAPI->now ((pe_watcher *)pe); }
404 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
405 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
406
407 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
408
409 ~watcher ()
410 {
411 cancel ();
412 }
413
414private:
415 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
416};
417
418struct iw : watcher<pe_idle>, callback<void (iw &)>
419{
420 template<class O, class M>
421 iw (O object, M method)
422 : callback<void (iw &)> (object, method)
423 {
424 alloc ();
425 }
426
427private:
428 void alloc ();
429};
430
431struct iow : watcher<pe_io>, callback<void (iow &, int)> 484struct iow : ev_io, evapi, callback<void (iow &, int)>
432{ 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
433 template<class O, class M> 493 template<class O, class M>
434 iow (O object, M method) 494 iow (O object, M method)
435 : callback<void (iow &, int)> (object, method) 495 : callback<void (iow &, int)> (object, method)
436 { 496 {
437 alloc (); 497 ev_init ((ev_io *)this, thunk);
438 } 498 }
439 499
440 void fd (int fd); 500 void prio (int prio)
441 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
442 void poll (int events); 512 void poll (int events);
443 513
444private: 514 void start ()
445 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 }
446}; 560};
447 561
448#endif 562#endif
449 563

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