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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.41 by root, Mon Dec 25 11:25:49 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>
41#include <CoroAPI.h>
16 42
43#include "util.h"
44#include "keyword.h"
45#include "dynbuf.h"
17#include "callback.h" 46#include "callback.h"
47
48//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
18 49
19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
20#undef localtime 51#undef localtime
21#undef srand48 52#undef srand48
22#undef drand48 53#undef drand48
24#undef readdir 55#undef readdir
25#undef getprotobyname 56#undef getprotobyname
26#undef gethostbyname 57#undef gethostbyname
27#undef ctime 58#undef ctime
28#undef strerror 59#undef strerror
60#undef _
29 61
30// same here, massive symbol spamming 62// same here, massive symbol spamming
31#undef do_open 63#undef do_open
32#undef do_close 64#undef do_close
65#undef ref
66#undef seed
33 67
34// perl bug #40256: perl does overwrite those with reentrant versions 68// perl bug #40256: perl does overwrite those with reentrant versions
35// but does not initialise their state structures. 69// but does not initialise their state structures.
36#undef random 70#undef random
37#undef crypt 71#undef crypt
38 72
73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
80// some macros to simplify perl in-calls
81
82#define CHECK_ERROR \
83 if (SvTRUE (ERRSV)) \
84 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
85
86#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
87#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
88#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
89#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
90#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
91
92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
93
39void cfperl_init (); 94void cfperl_init ();
40void 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);
102
103//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
104
105extern tstamp runtime; // virtual server time, excluding time jumps and lag
106extern tstamp NOW; // real time of current server tick
41 107
42enum event_klass 108enum event_klass
43{ 109{
44 KLASS_NONE, 110 KLASS_NONE,
45 KLASS_GLOBAL, 111 KLASS_GLOBAL,
56# define def(klass,name) EVENT_ ## klass ## _ ## name, 122# define def(klass,name) EVENT_ ## klass ## _ ## name,
57# include "eventinc.h" 123# include "eventinc.h"
58# undef def 124# undef def
59 NUM_EVENT_TYPES 125 NUM_EVENT_TYPES
60}; 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;
61 131
62#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 132#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
63#define ARG_INT(v) DT_INT , static_cast<int> (v) 133#define ARG_INT(v) DT_INT , static_cast<int> (v)
64#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 134#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
65#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 135#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
72#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 142#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
73#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 143#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
74#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 144#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
75 145
76// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 146// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
77 147#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
78// all these return true when the normal event processing should be skipped (if any)
79#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__)
80#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__)
81#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__)
82#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__)
83#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__)
84#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__)
85 154
86//TODO should index into @result 155//TODO should index into @result
87#define RESULT(idx,type) cfperl_result_ ## type (idx) 156#define RESULT(idx,type) cfperl_result_ ## type (idx)
88#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 157#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
89#define RESULT_INT(idx) RESULT(idx, INT) 158#define RESULT_INT(idx) RESULT(idx, INT)
90 159
91double cfperl_result_DOUBLE (int idx); 160double cfperl_result_DOUBLE (int idx);
92int cfperl_result_INT (int idx); 161int cfperl_result_INT (int idx);
93 162
94struct attachable 163//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
164
165INTERFACE_CLASS (attachable)
166struct attachable : refcnt_base
95{ 167{
168 static MGVTBL vtbl;
169
96 static unordered_vector<attachable *> mortals; 170 static unordered_vector<attachable *> mortals;
97 static void check_mortals (); 171 MTH static void check_mortals ();
98 172
99 enum { 173 enum {
100 F_DESTROYED = 0x01, 174 F_DESTROYED = 0x01,
101 F_BORROWED = 0x02, 175 F_DEBUG_TRACE = 0x02,
102 }; 176 };
177 int ACC (RW, flags);
103 178
104 // object is delete'd after the refcount reaches 0 179 // object is delete'd after the refcount reaches 0
105 mutable int refcnt; 180 MTH int refcnt_cnt () const;
106 int flags;
107
108 void refcnt_inc () const { ++refcnt; }
109 void refcnt_dec () const { --refcnt; }
110
111 // check wether the object has died and destroy 181 // check wether the object has died and destroy
112 void refcnt_chk () { if (refcnt <= 0) do_check (); } 182 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
113 183
114 // destroy the object unless it was already destroyed 184 // destroy the object unless it was already destroyed
115 // this politely asks everybody interested the reduce 185 // this politely asks everybody interested the reduce
116 // the refcount to 0 as soon as possible. 186 // the refcount to 0 as soon as possible.
117 void destroy (); 187 MTH void destroy ();
118 188
119 // return wether an object was destroyed already 189 // return wether an object was destroyed already
120 bool destroyed () const { return flags & F_DESTROYED; } 190 MTH bool destroyed () const { return flags & F_DESTROYED; }
121 191
122 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 192 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
123 193
124#if 0 194#if 0
125private: 195private:
129 199
130 HV *self; // CF+ perl self 200 HV *self; // CF+ perl self
131 AV *cb; // CF+ callbacks 201 AV *cb; // CF+ callbacks
132 shstr attach; // generic extension attachment information 202 shstr attach; // generic extension attachment information
133 203
204 void sever_self (); // sever this object from its self, if it has one.
134 void optimise (); // possibly save some memory by destroying unneeded data 205 void optimise (); // possibly save some memory by destroying unneeded data
135 206
136 attachable () 207 attachable ()
137 : flags (0), refcnt (0), self (0), cb (0), attach (0) 208 : flags (0), self (0), cb (0), attach (0)
138 { 209 {
139 } 210 }
140 211
141 attachable (const attachable &src) 212 attachable (const attachable &src)
142 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 213 : flags (0), self (0), cb (0), attach (src.attach)
143 { 214 {
144 } 215 }
145 216
146 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 }
147 229
148 attachable &operator =(const attachable &src); 230 attachable &operator =(const attachable &src);
149 231
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
150 bool invoke (event_type event, ...); 238 bool invoke (event_type event, ...);
239
151 void instantiate (); 240 MTH void instantiate ();
152 void reattach (); 241 void reattach ();
153 242
154protected: 243protected:
155 // do the real refcount checking work 244 // do the real refcount checking work
156 void do_check (); 245 void do_check ();
157 246
158 // the method that does the real destroy work 247 // the method that does the real destroy work
159 virtual void do_destroy (); 248 virtual void do_destroy ();
249
250 // destructor is protected, should not be called by anybody
251 virtual ~attachable ();
160}; 252};
161 253
162// 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
163struct global : attachable 255struct global : attachable
164{ 256{
165 void gather_callbacks (AV *&callbacks, event_type event) const; 257 void gather_callbacks (AV *&callbacks, event_type event) const;
166}; 258};
167 259
168extern struct global gbl_ev; 260extern struct global gbl_ev;
169 261
262//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
263
264INTERFACE_CLASS(object_freezer)
170struct object_freezer : dynbuf 265struct object_freezer : dynbuf_text
171{ 266{
172 AV *av; 267 AV *av;
173 268
174 object_freezer (); 269 object_freezer ();
175 ~object_freezer (); 270 ~object_freezer ();
179 // used only for user-defined key-value pairs 274 // used only for user-defined key-value pairs
180 void put (const shstr &k, const shstr &v) 275 void put (const shstr &k, const shstr &v)
181 { 276 {
182 add (k); 277 add (k);
183 278
184 if (v) 279 if (expect_true (v))
185 add (' '), add (v); 280 add (' '), add (v);
186 281
187 add ('\n'); 282 add ('\n');
188 } 283 }
189 284
190 //TODO//temporary, used only for saving body locations
191 void put (const char *k, int v)
192 {
193 add (k);
194 add (' ');
195 add (sint32 (v));
196 add ('\n');
197 }
198
199 template<typename T> 285 template<typename T>
200 void put_string (keyword k, const T &v) 286 void put_kw_string (keyword k, const T &v)
201 { 287 {
202 int klen = keyword_len [k]; 288 int klen = keyword_len [k];
203 int vlen = v ? strlen (v) + 1 : 0; 289 int vlen = v ? strlen (v) + 1 : 0;
204 290
205 char *p = (char *)alloc (klen + vlen + 1); 291 char *p = (char *)alloc (klen + vlen + 1);
206 292
207 memcpy (p, keyword_str [k], klen); p += klen; 293 memcpy (p, keyword_str [k], klen); p += klen;
208 294
209 if (v) 295 if (expect_true (v))
210 { 296 {
211 *p++ = ' '; vlen--; 297 *p++ = ' '; vlen--;
212 memcpy (p, v, vlen); p += vlen; 298 memcpy (p, v, vlen); p += vlen;
213 } 299 }
214 300
215 *p = '\n'; 301 *p = '\n';
216 } 302 }
217 303
218 void put (keyword k, const char *v) 304 void put (keyword k, const char *v = 0)
219 { 305 {
220 put_string (k, v); 306 put_kw_string (k, v);
221 } 307 }
222 308
223 void put (keyword k, const shstr &v) 309 void put (keyword k, const shstr &v)
224 { 310 {
225 put_string (k, v); 311 put_kw_string (k, v);
226 } 312 }
227 313
228 void put (keyword k, double v) 314 void put (keyword k, double v)
229 { 315 {
230 char buf [128]; 316 force (MAX_KEYWORD_LEN + 2 + 32);
231 317 fadd (keyword_str [k], keyword_len [k]);
232 snprintf (buf, 128, "%.7g", v); 318 fadd (' ');
233 319 falloc (sprintf (ptr, "%.7g", v));
234 put (k, (const char *)buf); 320 fadd ('\n');
235 } 321 }
236 322
237 void put_(keyword k, sint64 v) 323 void put_(keyword k, sint64 v)
238 { 324 {
325 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
239 add (keyword_str [k], keyword_len [k]); 326 fadd (keyword_str [k], keyword_len [k]);
240 add (' '); 327 fadd (' ');
241 add (v); 328 add (v);
242 add ('\n'); 329 fadd ('\n');
243 } 330 }
244 331
245 void put_(keyword k, sint32 v) 332 void put_(keyword k, sint32 v)
246 { 333 {
334 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
247 add (keyword_str [k], keyword_len [k]); 335 fadd (keyword_str [k], keyword_len [k]);
248 add (' '); 336 fadd (' ');
249 add (v); 337 add (v);
250 add ('\n'); 338 fadd ('\n');
251 }
252
253 void put (keyword kbeg, keyword kend, const shstr &v)
254 {
255 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
256
257 if (v)
258 {
259 add (v);
260 add ('\n');
261 }
262
263 add (keyword_str [kend], keyword_len [kend]); add ('\n');
264 } 339 }
265 340
266 void put (keyword k, float v) { put (k, (double)v); } 341 void put (keyword k, float v) { put (k, (double)v); }
267 void put (keyword k, signed char v) { put_(k, (sint32)v); } 342 void put (keyword k, signed char v) { put_(k, (sint32)v); }
268 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 343 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
273 void put (keyword k, signed long v) { put_(k, (sint64)v); } 348 void put (keyword k, signed long v) { put_(k, (sint64)v); }
274 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 349 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
275 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); }
276 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); }
277 352
278 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);
279 void put (keyword k, const T *v) 370 void put (keyword k, faceinfo *v);
280 {
281 if (v)
282 put (k, v->name);
283 else
284 put (k, (const char *)0);
285 }
286 371
287 template<typename T> 372 template<typename T>
288 void put (keyword k, const refptr<T> &v) 373 void put (keyword k, const refptr<T> &v)
289 { 374 {
290 put (k, (T *)v); 375 put (k, (T *)v);
291 } 376 }
292 377
293 bool save (const char *filename); 378 MTH bool save (const_octet_string path);
294 char *as_string (); // like strdup 379 char *as_string (); // like strdup
295 380
296 operator bool () { return !!av; } 381 operator bool () { return !!av; }
297}; 382};
298 383
299// compatibility support, should be removed when no longer needed 384INTERFACE_CLASS(object_thawer)
300int fprintf (object_freezer &freezer, const char *format, ...);
301int fputs (const char *s, object_freezer &freezer);
302
303struct object_thawer 385struct object_thawer
304{ 386{
387 char *line; // current beginning of line
305 SV *text; // text part 388 SV *text; // text part
306 AV *av; // perl part 389 AV *av; // perl part
307 char *line; // current beginning of line 390 int linenum;
308 char *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;
309 396
310 operator bool () { return !!text; } 397 operator bool () const { return !!text; }
311 398
312 object_thawer (const char *filename = 0); 399 object_thawer (const char *path = 0);
313 object_thawer (const char *data, AV *perlav); 400 object_thawer (const char *data, AV *perlav);
314 ~object_thawer (); 401 ~object_thawer ();
315 402
316 void get (attachable *obj, int oid); 403 void get (attachable *obj, int oid);
317 404
318 keyword get_kv (); // also parse value for later use 405 // parse next line
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
319 411
320 const char *get_str () { return last_value; } // may be 0 412 char *get_str () { return value; } // may be 0
321
322 void get (shstr &sh) const;
323 void get_ornull (shstr &sh) const { sh = last_value; }
324 void get_ml (keyword kend, shstr &sh); 413 void get_ml (keyword kend, shstr &sh);
325 414
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'; }
326 sint32 get_sint32 () const; 419 sint32 get_sint32 () const;
327 sint64 get_sint64 () const; 420 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
328 double get_double () const; 421 double get_double () const { return strtod (value_nn, 0); }
329 422
330 void get (float &v) { v = get_double (); } 423 void get (float &v) { v = get_double (); }
331 void get (double &v) { v = get_double (); } 424 void get (double &v) { v = get_double (); }
332 425
426 void get (bool &i) { i = get_bool (); }
333 void get (sint8 &i) { i = get_sint32 (); } 427 void get (sint8 &i) { i = get_sint32 (); }
334 void get (uint8 &i) { i = get_sint32 (); } 428 void get (uint8 &i) { i = get_sint32 (); }
335 void get (sint16 &i) { i = get_sint32 (); } 429 void get (sint16 &i) { i = get_sint32 (); }
336 void get (uint16 &i) { i = get_sint32 (); } 430 void get (uint16 &i) { i = get_sint32 (); }
337 void get (sint32 &i) { i = get_sint32 (); } 431 void get (sint32 &i) { i = get_sint32 (); }
338 432
339 void get (uint32 &i) { i = get_sint64 (); } 433 void get (uint32 &i) { i = get_sint64 (); }
340 void get (sint64 &i) { i = get_sint64 (); } 434 void get (sint64 &i) { i = get_sint64 (); }
341};
342 435
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
343char *fgets (char *s, int n, object_thawer &thawer); 451char *fgets (char *s, int n, object_thawer &thawer);
344 452
345struct watcher_base 453//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
454
455struct coroapi {
456 static struct CoroAPI *GCoroAPI;
457
458 static EV_ATOMIC_T cede_pending;
459
460 static int nready () { return CORO_NREADY; }
461 static int cede () { cede_pending = 0; return CORO_CEDE ; }
462
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
346{ 480{
347 static struct EventAPI *GEventAPI; 481 static struct EVAPI *GEVAPI;
348}; 482};
349 483
350template<class base>
351struct watcher : watcher_base
352{
353 base *pe;
354
355 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
356 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
357 void now () { GEventAPI->now ((pe_watcher *)pe); }
358 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
359 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
360
361 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
362
363 ~watcher ()
364 {
365 cancel ();
366 }
367
368private:
369 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
370};
371
372struct iw : watcher<pe_idle>, callback<void (iw &)>
373{
374 template<class O, class M>
375 iw (O object, M method)
376 : callback<void (iw &)> (object, method)
377 {
378 alloc ();
379 }
380
381private:
382 void alloc ();
383};
384
385struct iow : watcher<pe_io>, callback<void (iow &, int)> 484struct iow : ev_io, evapi, callback<void (iow &, int)>
386{ 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
387 template<class O, class M> 493 template<class O, class M>
388 iow (O object, M method) 494 iow (O object, M method)
389 : callback<void (iow &, int)> (object, method) 495 : callback<void (iow &, int)> (object, method)
390 { 496 {
391 alloc (); 497 ev_init ((ev_io *)this, thunk);
392 } 498 }
393 499
394 void fd (int fd); 500 void prio (int prio)
395 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
396 void poll (int events); 512 void poll (int events);
397 513
398private: 514 void start ()
399 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 }
400}; 560};
401 561
402#endif 562#endif
403 563

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