ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/include/cfperl.h
(Generate patch)

Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.41 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.93 by root, Sun Jan 13 12:14:52 2008 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007 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_emergency_save ();
97void cfperl_cleanup (int make_core);
98void cfperl_make_book (object *book, int level);
99void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
100int cfperl_can_merge (object *ob1, object *ob2);
101
102//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
103
104extern tstamp runtime; // virtual server time, excluding time jumps and lag
105extern tstamp NOW; // real time of current server tick
41 106
42enum event_klass 107enum event_klass
43{ 108{
44 KLASS_NONE, 109 KLASS_NONE,
45 KLASS_GLOBAL, 110 KLASS_GLOBAL,
56# define def(klass,name) EVENT_ ## klass ## _ ## name, 121# define def(klass,name) EVENT_ ## klass ## _ ## name,
57# include "eventinc.h" 122# include "eventinc.h"
58# undef def 123# undef def
59 NUM_EVENT_TYPES 124 NUM_EVENT_TYPES
60}; 125};
126
127// in which global events or per-type events are we interested
128extern bitset<NUM_EVENT_TYPES> ev_want_event;
129extern bitset<NUM_TYPES> ev_want_type;
61 130
62#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 131#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
63#define ARG_INT(v) DT_INT , static_cast<int> (v) 132#define ARG_INT(v) DT_INT , static_cast<int> (v)
64#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 133#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
65#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 134#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
72#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 141#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
73#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 142#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
74#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 143#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
75 144
76// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 145// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
77 146#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) 147#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) 148#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) 149#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) 150#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) 151#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) 152#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
85 153
86//TODO should index into @result 154//TODO should index into @result
87#define RESULT(idx,type) cfperl_result_ ## type (idx) 155#define RESULT(idx,type) cfperl_result_ ## type (idx)
88#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 156#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
89#define RESULT_INT(idx) RESULT(idx, INT) 157#define RESULT_INT(idx) RESULT(idx, INT)
90 158
91double cfperl_result_DOUBLE (int idx); 159double cfperl_result_DOUBLE (int idx);
92int cfperl_result_INT (int idx); 160int cfperl_result_INT (int idx);
93 161
94struct attachable 162//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
163
164INTERFACE_CLASS (attachable)
165struct attachable : refcnt_base
95{ 166{
167 static MGVTBL vtbl;
168
96 static unordered_vector<attachable *> mortals; 169 static unordered_vector<attachable *> mortals;
97 static void check_mortals (); 170 MTH static void check_mortals ();
98 171
99 enum { 172 enum {
100 F_DESTROYED = 0x01, 173 F_DESTROYED = 0x01,
101 F_BORROWED = 0x02, 174 F_DEBUG_TRACE = 0x02,
102 }; 175 };
176 int ACC (RW, flags);
103 177
104 // object is delete'd after the refcount reaches 0 178 // object is delete'd after the refcount reaches 0
105 mutable int refcnt; 179 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 180 // check wether the object has died and destroy
112 void refcnt_chk () { if (refcnt <= 0) do_check (); } 181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
113 182
114 // destroy the object unless it was already destroyed 183 // destroy the object unless it was already destroyed
115 // this politely asks everybody interested the reduce 184 // this politely asks everybody interested the reduce
116 // the refcount to 0 as soon as possible. 185 // the refcount to 0 as soon as possible.
117 void destroy (); 186 MTH void destroy ();
118 187
119 // return wether an object was destroyed already 188 // return wether an object was destroyed already
120 bool destroyed () const { return flags & F_DESTROYED; } 189 MTH bool destroyed () const { return flags & F_DESTROYED; }
121 190
122 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 191 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
123 192
124#if 0 193#if 0
125private: 194private:
129 198
130 HV *self; // CF+ perl self 199 HV *self; // CF+ perl self
131 AV *cb; // CF+ callbacks 200 AV *cb; // CF+ callbacks
132 shstr attach; // generic extension attachment information 201 shstr attach; // generic extension attachment information
133 202
203 void sever_self (); // sever this object from its self, if it has one.
134 void optimise (); // possibly save some memory by destroying unneeded data 204 void optimise (); // possibly save some memory by destroying unneeded data
135 205
136 attachable () 206 attachable ()
137 : flags (0), refcnt (0), self (0), cb (0), attach (0) 207 : flags (0), self (0), cb (0), attach (0)
138 { 208 {
139 } 209 }
140 210
141 attachable (const attachable &src) 211 attachable (const attachable &src)
142 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 212 : flags (0), self (0), cb (0), attach (src.attach)
143 { 213 {
144 } 214 }
145 215
146 virtual ~attachable (); 216 // set a custom key to the given value, or delete it if value = 0
217 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
218
219 void set_key_text (const char *key, const char *value = 0)
220 {
221 set_key (key, value, 1);
222 }
223
224 void set_key_data (const char *key, const char *value = 0)
225 {
226 set_key (key, value, 0);
227 }
147 228
148 attachable &operator =(const attachable &src); 229 attachable &operator =(const attachable &src);
149 230
231 // used to _quickly_ device wether to shortcut the evaluation
232 bool should_invoke (event_type event)
233 {
234 return ev_want_event [event] || cb;
235 }
236
150 bool invoke (event_type event, ...); 237 bool invoke (event_type event, ...);
238
151 void instantiate (); 239 MTH void instantiate ();
152 void reattach (); 240 void reattach ();
153 241
154protected: 242protected:
155 // do the real refcount checking work 243 // do the real refcount checking work
156 void do_check (); 244 void do_check ();
157 245
158 // the method that does the real destroy work 246 // the method that does the real destroy work
159 virtual void do_destroy (); 247 virtual void do_destroy ();
248
249 // destructor is protected, should not be called by anybody
250 virtual ~attachable ();
160}; 251};
161 252
162// the global object is a pseudo object that cares for the global events 253// the global object is a pseudo object that cares for the global events
163struct global : attachable 254struct global : attachable
164{ 255{
165 void gather_callbacks (AV *&callbacks, event_type event) const; 256 void gather_callbacks (AV *&callbacks, event_type event) const;
166}; 257};
167 258
168extern struct global gbl_ev; 259extern struct global gbl_ev;
169 260
261//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
262
263INTERFACE_CLASS(object_freezer)
170struct object_freezer : dynbuf 264struct object_freezer : dynbuf_text
171{ 265{
172 AV *av; 266 AV *av;
173 267
174 object_freezer (); 268 object_freezer ();
175 ~object_freezer (); 269 ~object_freezer ();
179 // used only for user-defined key-value pairs 273 // used only for user-defined key-value pairs
180 void put (const shstr &k, const shstr &v) 274 void put (const shstr &k, const shstr &v)
181 { 275 {
182 add (k); 276 add (k);
183 277
184 if (v) 278 if (expect_true (v))
185 add (' '), add (v); 279 add (' '), add (v);
186 280
187 add ('\n'); 281 add ('\n');
188 } 282 }
189 283
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> 284 template<typename T>
200 void put_string (keyword k, const T &v) 285 void put_kw_string (keyword k, const T &v)
201 { 286 {
202 int klen = keyword_len [k]; 287 int klen = keyword_len [k];
203 int vlen = v ? strlen (v) + 1 : 0; 288 int vlen = v ? strlen (v) + 1 : 0;
204 289
205 char *p = (char *)alloc (klen + vlen + 1); 290 char *p = (char *)alloc (klen + vlen + 1);
206 291
207 memcpy (p, keyword_str [k], klen); p += klen; 292 memcpy (p, keyword_str [k], klen); p += klen;
208 293
209 if (v) 294 if (expect_true (v))
210 { 295 {
211 *p++ = ' '; vlen--; 296 *p++ = ' '; vlen--;
212 memcpy (p, v, vlen); p += vlen; 297 memcpy (p, v, vlen); p += vlen;
213 } 298 }
214 299
215 *p = '\n'; 300 *p = '\n';
216 } 301 }
217 302
218 void put (keyword k, const char *v) 303 void put (keyword k, const char *v = 0)
219 { 304 {
220 put_string (k, v); 305 put_kw_string (k, v);
221 } 306 }
222 307
223 void put (keyword k, const shstr &v) 308 void put (keyword k, const shstr &v)
224 { 309 {
225 put_string (k, v); 310 put_kw_string (k, v);
226 } 311 }
227 312
228 void put (keyword k, double v) 313 void put (keyword k, double v)
229 { 314 {
230 char buf [128]; 315 force (MAX_KEYWORD_LEN + 2 + 32);
231 316 fadd (keyword_str [k], keyword_len [k]);
232 snprintf (buf, 128, "%.7g", v); 317 fadd (' ');
233 318 falloc (sprintf (ptr, "%.7g", v));
234 put (k, (const char *)buf); 319 fadd ('\n');
235 } 320 }
236 321
237 void put_(keyword k, sint64 v) 322 void put_(keyword k, sint64 v)
238 { 323 {
324 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
239 add (keyword_str [k], keyword_len [k]); 325 fadd (keyword_str [k], keyword_len [k]);
240 add (' '); 326 fadd (' ');
241 add (v); 327 add (v);
242 add ('\n'); 328 fadd ('\n');
243 } 329 }
244 330
245 void put_(keyword k, sint32 v) 331 void put_(keyword k, sint32 v)
246 { 332 {
333 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
247 add (keyword_str [k], keyword_len [k]); 334 fadd (keyword_str [k], keyword_len [k]);
248 add (' '); 335 fadd (' ');
249 add (v); 336 add (v);
250 add ('\n'); 337 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 } 338 }
265 339
266 void put (keyword k, float v) { put (k, (double)v); } 340 void put (keyword k, float v) { put (k, (double)v); }
267 void put (keyword k, signed char v) { put_(k, (sint32)v); } 341 void put (keyword k, signed char v) { put_(k, (sint32)v); }
268 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 342 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
273 void put (keyword k, signed long v) { put_(k, (sint64)v); } 347 void put (keyword k, signed long v) { put_(k, (sint64)v); }
274 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 348 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
275 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 349 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); } 350 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
277 351
278 template<typename T> 352 void put (keyword kbeg, keyword kend, const shstr &v)
353 {
354 force (MAX_KEYWORD_LEN + 1);
355 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
356
357 if (expect_true (v))
358 {
359 add (v);
360 add ('\n');
361 }
362
363 force (MAX_KEYWORD_LEN + 1);
364 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
365 }
366
367 void put (keyword k, archetype *v);
368 void put (keyword k, treasurelist *v);
279 void put (keyword k, const T *v) 369 void put (keyword k, faceinfo *v);
280 {
281 if (v)
282 put (k, v->name);
283 else
284 put (k, (const char *)0);
285 }
286 370
287 template<typename T> 371 template<typename T>
288 void put (keyword k, const refptr<T> &v) 372 void put (keyword k, const refptr<T> &v)
289 { 373 {
290 put (k, (T *)v); 374 put (k, (T *)v);
291 } 375 }
292 376
293 bool save (const char *filename); 377 MTH bool save (const_octet_string path);
294 char *as_string (); // like strdup 378 char *as_string (); // like strdup
295 379
296 operator bool () { return !!av; } 380 operator bool () { return !!av; }
297}; 381};
298 382
299// compatibility support, should be removed when no longer needed 383INTERFACE_CLASS(object_thawer)
300int fprintf (object_freezer &freezer, const char *format, ...);
301int fputs (const char *s, object_freezer &freezer);
302
303struct object_thawer 384struct object_thawer
304{ 385{
386 char *line; // current beginning of line
305 SV *text; // text part 387 SV *text; // text part
306 AV *av; // perl part 388 AV *av; // perl part
307 char *line; // current beginning of line 389 int linenum;
308 char *last_value; 390 keyword kw;
391 char *kw_str; // the keyword parsed, as string
392 char *value; // the value, or 0 if no value
393 const char *value_nn; // the value, or the empty string if no value
394 const char *name;
309 395
310 operator bool () { return !!text; } 396 operator bool () const { return !!text; }
311 397
312 object_thawer (const char *filename = 0); 398 object_thawer (const char *path = 0);
313 object_thawer (const char *data, AV *perlav); 399 object_thawer (const char *data, AV *perlav);
314 ~object_thawer (); 400 ~object_thawer ();
315 401
316 void get (attachable *obj, int oid); 402 void get (attachable *obj, int oid);
317 403
318 keyword get_kv (); // also parse value for later use 404 // parse next line
405 MTH void next ();
406 // skip the current key-value (usually fetch next line, for
407 // multiline-fields, skips till the corresponding end-kw
408 MTH void skip ();
409 MTH void skip_block (); // skips till and over KW_end
319 410
320 const char *get_str () { return last_value; } // may be 0 411 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); 412 void get_ml (keyword kend, shstr &sh);
325 413
414 void get_ornull (shstr &sh) const { sh = value; }
415 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
416
417 bool get_bool () const { return *value_nn == '1'; }
326 sint32 get_sint32 () const; 418 sint32 get_sint32 () const;
327 sint64 get_sint64 () const; 419 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
328 double get_double () const; 420 double get_double () const { return strtod (value_nn, 0); }
329 421
330 void get (float &v) { v = get_double (); } 422 void get (float &v) { v = get_double (); }
331 void get (double &v) { v = get_double (); } 423 void get (double &v) { v = get_double (); }
332 424
425 void get (bool &i) { i = get_bool (); }
333 void get (sint8 &i) { i = get_sint32 (); } 426 void get (sint8 &i) { i = get_sint32 (); }
334 void get (uint8 &i) { i = get_sint32 (); } 427 void get (uint8 &i) { i = get_sint32 (); }
335 void get (sint16 &i) { i = get_sint32 (); } 428 void get (sint16 &i) { i = get_sint32 (); }
336 void get (uint16 &i) { i = get_sint32 (); } 429 void get (uint16 &i) { i = get_sint32 (); }
337 void get (sint32 &i) { i = get_sint32 (); } 430 void get (sint32 &i) { i = get_sint32 (); }
338 431
339 void get (uint32 &i) { i = get_sint64 (); } 432 void get (uint32 &i) { i = get_sint64 (); }
340 void get (sint64 &i) { i = get_sint64 (); } 433 void get (sint64 &i) { i = get_sint64 (); }
341};
342 434
435 MTH void parse_warn (const char *msg);
436 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
437
438 struct delayed_ref {
439 attachable *op;
440 object_ptr *ptr;
441 const char *ref;
442 };
443 std::vector<delayed_ref> delrefs;
444
445 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
446 MTH void resolve_delayed_derefs (bool deref = true);
447};
448
449//TODO: remove
343char *fgets (char *s, int n, object_thawer &thawer); 450char *fgets (char *s, int n, object_thawer &thawer);
344 451
345struct watcher_base 452//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
453
454struct coroapi {
455 static struct CoroAPI *GCoroAPI;
456
457 static int nready () { return CORO_NREADY; }
458 static int cede () { return CORO_CEDE ; }
459
460 static tstamp next_cede;
461 static int cede_counter;
462
463 static void do_cede_every ();
464 static void do_cede_to_tick ();
465 static void do_cede_to_tick_every ();
466
467 static void cede_every (int count)
468 {
469 if (expect_false (++cede_counter >= count))
470 do_cede_every ();
471 }
472
473 static bool cede_to_tick ()
474 {
475 if (expect_true (now () < next_cede))
476 return false;
477
478 do_cede_to_tick ();
479 return true;
480 }
481
482 static bool cede_to_tick_every (int count)
483 {
484 if (expect_true (++cede_counter < count))
485 return false;
486
487 return cede_to_tick ();
488 }
489
490 static void wait_for_tick ();
491 static void wait_for_tick_begin ();
492};
493
494struct evapi
346{ 495{
347 static struct EventAPI *GEventAPI; 496 static struct EVAPI *GEVAPI;
348}; 497};
349 498
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)> 499struct iow : ev_io, evapi, callback<void (iow &, int)>
386{ 500{
501 static void thunk (EV_P_ struct ev_io *w_, int revents)
502 {
503 iow &w = *static_cast<iow *>(w_);
504
505 w (w, revents);
506 }
507
387 template<class O, class M> 508 template<class O, class M>
388 iow (O object, M method) 509 iow (O object, M method)
389 : callback<void (iow &, int)> (object, method) 510 : callback<void (iow &, int)> (object, method)
390 { 511 {
391 alloc (); 512 ev_init ((ev_io *)this, thunk);
392 } 513 }
393 514
394 void fd (int fd); 515 void set (int fd, int events)
395 int poll (); 516 {
517 ev_io_set ((ev_io *)this, fd, events);
518 }
519
520 int poll () const { return events; }
521
396 void poll (int events); 522 void poll (int events);
397 523
398private: 524 void start ()
399 void alloc (); 525 {
526 ev_io_start (EV_DEFAULT, (ev_io *)this);
527 }
528
529 void stop ()
530 {
531 ev_io_stop (EV_DEFAULT, (ev_io *)this);
532 }
533
534 ~iow ()
535 {
536 stop ();
537 }
400}; 538};
401 539
402#endif 540#endif
403 541

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines