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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.37 by root, Fri Dec 15 19:59:19 2006 UTC vs.
Revision 1.80 by root, Sun Jun 24 04:09:29 2007 UTC

1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Crossfire TRT is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23 */
24
1// 25//
2// cfperl.h perl interface 26// cfperl.h perl interface
3// 27//
4#ifndef CFPERL_H__ 28#ifndef CFPERL_H__
5#define CFPERL_H__ 29#define CFPERL_H__
6 30
31#include <cstdarg>
7#include <cstdio> 32#include <cstdio>
33#include <bitset>
8 34
9using namespace std; 35using namespace std;
10 36
11#include <EXTERN.h> 37#include <EXTERN.h>
12#include <perl.h> 38#include <perl.h>
13#include <XSUB.h> 39#include <XSUB.h>
14 40
15#include <EventAPI.h> 41#include <EventAPI.h>
42#include <CoroAPI.h>
16 43
44#include "util.h"
45#include "keyword.h"
46#include "dynbuf.h"
17#include "callback.h" 47#include "callback.h"
48
49//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
18 50
19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 51// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
20#undef localtime 52#undef localtime
21#undef srand48 53#undef srand48
22#undef drand48 54#undef drand48
25#undef getprotobyname 57#undef getprotobyname
26#undef gethostbyname 58#undef gethostbyname
27#undef ctime 59#undef ctime
28#undef strerror 60#undef strerror
29 61
62// same here, massive symbol spamming
63#undef do_open
64#undef do_close
65#undef ref
66#undef seed
67
30// perl bug #40256: perl does overwrite those with reentrant versions 68// perl bug #40256: perl does overwrite those with reentrant versions
31// but does not initialise their state structures. 69// but does not initialise their state structures.
32#undef random 70#undef random
33#undef crypt 71#undef crypt
34 72
73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
74
75// some macros to simplify perl in-calls
76
77#define CHECK_ERROR \
78 if (SvTRUE (ERRSV)) \
79 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
80
81#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
82#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
83#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
84#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
85#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
86
87//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
88
35void cfperl_init (); 89void cfperl_init ();
36void cfperl_main (); 90void cfperl_main ();
91void cfperl_emergency_save ();
92void cfperl_cleanup (int make_core);
93void cfperl_make_book (object *book, int level);
94void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
95
96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
97
98extern tstamp runtime; // virtual server time, excluding time jumps and lag
99extern tstamp NOW; // real time of current server tick
37 100
38enum event_klass 101enum event_klass
39{ 102{
40 KLASS_NONE, 103 KLASS_NONE,
41 KLASS_GLOBAL, 104 KLASS_GLOBAL,
105 KLASS_ATTACHABLE,
42 KLASS_SOCKET, 106 KLASS_CLIENT,
43 KLASS_PLAYER, 107 KLASS_PLAYER,
44 KLASS_OBJECT, 108 KLASS_OBJECT,
45 KLASS_MAP, 109 KLASS_MAP,
46 KLASS_COMMAND, 110 KLASS_COMMAND,
47}; 111};
52# include "eventinc.h" 116# include "eventinc.h"
53# undef def 117# undef def
54 NUM_EVENT_TYPES 118 NUM_EVENT_TYPES
55}; 119};
56 120
121// in which global events or per-type events are we interested
122extern bitset<NUM_EVENT_TYPES> ev_want_event;
123extern bitset<NUM_TYPES> ev_want_type;
124
57#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 125#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
58#define ARG_INT(v) DT_INT , static_cast<int> (v) 126#define ARG_INT(v) DT_INT , static_cast<int> (v)
59#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 127#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
60#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 128#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
61#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 129#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
62#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 130#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
63#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 131#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
64#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 132#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
65#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 133#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
66#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 134#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
135#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
67#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 136#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
68#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 137#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
69#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client *> (o)
70 138
71// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 139// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
72 140#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
73// all these return true when the normal event processing should be skipped (if any)
74#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
75
76#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
77#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 141#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
142#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
78#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 143#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
79#define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__) 144#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
80#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 145#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
81#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 146#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
82 147
83//TODO should index into @result 148//TODO should index into @result
84#define RESULT(idx,type) cfperl_result_ ## type (idx) 149#define RESULT(idx,type) cfperl_result_ ## type (idx)
85#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 150#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
86#define RESULT_INT(idx) RESULT(idx, INT) 151#define RESULT_INT(idx) RESULT(idx, INT)
87 152
88bool cfperl_invoke (event_type event, ...);
89double cfperl_result_DOUBLE (int idx); 153double cfperl_result_DOUBLE (int idx);
90int cfperl_result_INT (int idx); 154int cfperl_result_INT (int idx);
91 155
156//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
157
158INTERFACE_CLASS (attachable)
92struct attachable_base 159struct attachable
93{ 160{
161 static MGVTBL vtbl;
162
163 static unordered_vector<attachable *> mortals;
164 MTH static void check_mortals ();
165
166 enum {
167 F_DESTROYED = 0x01,
168 F_DEBUG_TRACE = 0x02,
169 };
170
171 // object is delete'd after the refcount reaches 0
172 int ACC (RW, flags);
173 mutable int ACC (RW, refcnt);
174
175 MTH void refcnt_inc () const { ++refcnt; }
176 MTH void refcnt_dec () const { --refcnt; }
177
178 MTH int refcnt_cnt () const;
179 // check wether the object has died and destroy
180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
181
182 // destroy the object unless it was already destroyed
183 // this politely asks everybody interested the reduce
184 // the refcount to 0 as soon as possible.
185 MTH void destroy ();
186
187 // return wether an object was destroyed already
188 MTH bool destroyed () const { return flags & F_DESTROYED; }
189
190 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
191
192#if 0
193private:
194 static refcounted *rc_first;
195 refcounted *rc_next;
196#endif
197
94 SV *self; // CF+ perl self 198 HV *self; // CF+ perl self
95 AV *cb; // CF+ callbacks 199 AV *cb; // CF+ callbacks
96 shstr attach; // generic extension attachment information 200 shstr attach; // generic extension attachment information
97 201
98 void clear (); // called when free'ing objects 202 void sever_self (); // sever this object from its self, if it has one.
99 void optimise (); // possibly save some memory by destroying unneeded data 203 void optimise (); // possibly save some memory by destroying unneeded data
100 void instantiate (data_type type, void *obj);
101 204
102 void attachable_clear ()
103 {
104 self = 0;
105 cb = 0;
106 attach = 0;
107 }
108
109 attachable_base () 205 attachable ()
206 : flags (0), refcnt (0), self (0), cb (0), attach (0)
110 { 207 {
111 attachable_clear ();
112 } 208 }
113 209
114 ~attachable_base ()
115 {
116 clear ();
117 }
118
119 attachable_base (const attachable_base &src) 210 attachable (const attachable &src)
120 : self (0), cb (0), attach (src.attach) 211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
121 { 212 {
122 } 213 }
123 214
215 virtual ~attachable ();
216
124 attachable_base &operator =(const attachable_base &src) 217 attachable &operator =(const attachable &src);
125 {
126 clear ();
127 attach = src.attach;
128 return *this;
129 }
130};
131 218
132// objects attachable from perl (or any other extension) should include or 219 // used to _quickly_ device wether to shortcut the evaluation
133// derive using the curiously recurring template pattern, to avoid 220 bool should_invoke (event_type event)
134// virtual method calls etc. 221 {
135template<class subclass> 222 return ev_want_event [event] || cb;
136struct attachable : attachable_base 223 }
137{ 224
225 bool invoke (event_type event, ...);
226
138 void instantiate () 227 MTH void instantiate ();
139 { 228 void reattach ();
140 if (attach)
141 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
142 }
143};
144 229
230protected:
231 // do the real refcount checking work
232 void do_check ();
233
234 // the method that does the real destroy work
235 virtual void do_destroy ();
236};
237
238// the global object is a pseudo object that cares for the global events
239struct global : attachable
240{
241 void gather_callbacks (AV *&callbacks, event_type event) const;
242};
243
244extern struct global gbl_ev;
245
246//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
247
145struct object_freezer : dynbuf 248struct object_freezer : dynbuf_text
146{ 249{
147 AV *av; 250 AV *av;
148 251
149 object_freezer (); 252 object_freezer ();
150 ~object_freezer (); 253 ~object_freezer ();
151 254
152 void put (attachable_base *ext); 255 void put (attachable *ext);
153
154 template<class subclass>
155 void put (attachable<subclass> *obj)
156 {
157 put ((attachable_base *)obj);
158 }
159 256
160 // used only for user-defined key-value pairs 257 // used only for user-defined key-value pairs
161 void put (const shstr &k, const shstr &v) 258 void put (const shstr &k, const shstr &v)
162 { 259 {
163 add (k); 260 add (k);
164 261
165 if (v) 262 if (expect_true (v))
166 add (' '), add (v); 263 add (' '), add (v);
167 264
168 add ('\n'); 265 add ('\n');
169 } 266 }
170 267
171 //TODO//temporary, used only for saving body locations
172 void put (const char *k, int v)
173 {
174 add (k);
175 add (' ');
176 add (sint32 (v));
177 add ('\n');
178 }
179
180 template<typename T> 268 template<typename T>
181 void put_string (keyword k, const T &v) 269 void put_kw_string (keyword k, const T &v)
182 { 270 {
183 int klen = keyword_len [k]; 271 int klen = keyword_len [k];
184 int vlen = v ? strlen (v) + 1 : 0; 272 int vlen = v ? strlen (v) + 1 : 0;
185 273
186 char *p = (char *)alloc (klen + vlen + 1); 274 char *p = (char *)alloc (klen + vlen + 1);
187 275
188 memcpy (p, keyword_str [k], klen); p += klen; 276 memcpy (p, keyword_str [k], klen); p += klen;
189 277
190 if (v) 278 if (expect_true (v))
191 { 279 {
192 *p++ = ' '; vlen--; 280 *p++ = ' '; vlen--;
193 memcpy (p, v, vlen); p += vlen; 281 memcpy (p, v, vlen); p += vlen;
194 } 282 }
195 283
196 *p = '\n'; 284 *p = '\n';
197 } 285 }
198 286
199 void put (keyword k, const char *v) 287 void put (keyword k, const char *v = 0)
200 { 288 {
201 put_string (k, v); 289 put_kw_string (k, v);
202 } 290 }
203 291
204 void put (keyword k, const shstr &v) 292 void put (keyword k, const shstr &v)
205 { 293 {
206 put_string (k, v); 294 put_kw_string (k, v);
207 } 295 }
208 296
209 void put (keyword k, double v) 297 void put (keyword k, double v)
210 { 298 {
211 char buf [128]; 299 force (MAX_KEYWORD_LEN + 2 + 32);
212 300 fadd (keyword_str [k], keyword_len [k]);
213 snprintf (buf, 128, "%.7g", v); 301 fadd (' ');
214 302 falloc (sprintf (ptr, "%.7g", v));
215 put (k, (const char *)buf); 303 fadd ('\n');
216 } 304 }
217 305
218 void put_(keyword k, sint64 v) 306 void put_(keyword k, sint64 v)
219 { 307 {
308 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
220 add (keyword_str [k], keyword_len [k]); 309 fadd (keyword_str [k], keyword_len [k]);
221 add (' '); 310 fadd (' ');
222 add (v); 311 add (v);
223 add ('\n'); 312 fadd ('\n');
224 } 313 }
225 314
226 void put_(keyword k, sint32 v) 315 void put_(keyword k, sint32 v)
227 { 316 {
317 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
228 add (keyword_str [k], keyword_len [k]); 318 fadd (keyword_str [k], keyword_len [k]);
229 add (' '); 319 fadd (' ');
230 add (v); 320 add (v);
231 add ('\n'); 321 fadd ('\n');
232 }
233
234 void put (keyword kbeg, keyword kend, const shstr &v)
235 {
236 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
237
238 if (v)
239 {
240 add (v);
241 add ('\n');
242 }
243
244 add (keyword_str [kend], keyword_len [kend]); add ('\n');
245 } 322 }
246 323
247 void put (keyword k, float v) { put (k, (double)v); } 324 void put (keyword k, float v) { put (k, (double)v); }
248 void put (keyword k, signed char v) { put_(k, (sint32)v); } 325 void put (keyword k, signed char v) { put_(k, (sint32)v); }
249 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 326 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
254 void put (keyword k, signed long v) { put_(k, (sint64)v); } 331 void put (keyword k, signed long v) { put_(k, (sint64)v); }
255 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 332 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
256 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 333 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
257 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 334 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
258 335
259 template<typename T> 336 void put (keyword kbeg, keyword kend, const shstr &v)
337 {
338 force (MAX_KEYWORD_LEN + 1);
339 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
340
341 if (expect_true (v))
342 {
343 add (v);
344 add ('\n');
345 }
346
347 force (MAX_KEYWORD_LEN + 1);
348 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
349 }
350
351 void put (keyword k, archetype *v);
352 void put (keyword k, treasurelist *v);
260 void put (keyword k, const T *v) 353 void put (keyword k, faceinfo *v);
261 {
262 if (v)
263 put (k, v->name);
264 else
265 put (k, (const char *)0);
266 }
267 354
268 template<typename T> 355 template<typename T>
269 void put (keyword k, const refptr<T> &v) 356 void put (keyword k, const refptr<T> &v)
270 { 357 {
271 put (k, (T *)v); 358 put (k, (T *)v);
272 } 359 }
273 360
274 bool save (const char *filename); 361 bool save (const char *path);
275 char *as_string (); // like strdup 362 char *as_string (); // like strdup
276 363
277 operator bool () { return !!av; } 364 operator bool () { return !!av; }
278}; 365};
279 366
280// compatibility support, should be removed when no longer needed
281int fprintf (object_freezer &freezer, const char *format, ...);
282int fputs (const char *s, object_freezer &freezer);
283
284struct object_thawer 367struct object_thawer
285{ 368{
369 char *line; // current beginning of line
286 SV *text; // text part 370 SV *text; // text part
287 AV *av; // perl part 371 AV *av; // perl part
288 char *line; // current beginning of line 372 int linenum;
289 char *last_value; 373 keyword kw;
374 char *kw_str; // the keyword parsed, as string
375 char *value; // the value, or 0 if no value
376 char *value_nn; // the value, or the empty string if no value
377 const char *name;
290 378
291 operator bool () { return !!text; } 379 operator bool () { return !!text; }
292 380
293 object_thawer (const char *filename = 0); 381 object_thawer (const char *path = 0);
294 object_thawer (const char *data, AV *perlav); 382 object_thawer (const char *data, AV *perlav);
295 ~object_thawer (); 383 ~object_thawer ();
296 384
297 void get (data_type type, void *obj, attachable_base *ext, int oid);
298
299 template<class subclass>
300 void get (attachable<subclass> *obj, int oid) 385 void get (attachable *obj, int oid);
301 {
302 if (av)
303 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
304 }
305 386
306 keyword get_kv (); // also parse value for later use 387 // parse next line
388 void next ();
389 // skip the current key-value (usually fetch next line, for
390 // multiline-fields, skips till the corresponding end-kw
391 void skip ();
307 392
308 const char *get_str () { return last_value; } // may be 0 393 char *get_str () { return value; } // may be 0
309
310 void get (shstr &sh) const;
311 void get_ornull (shstr &sh) const { sh = last_value; }
312 void get_ml (keyword kend, shstr &sh); 394 void get_ml (keyword kend, shstr &sh);
313 395
396 void get_ornull (shstr &sh) const { sh = value; }
397 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
398
399 bool get_bool () const { return *value_nn == '1'; }
314 sint32 get_sint32 () const; 400 sint32 get_sint32 () const;
315 sint64 get_sint64 () const; 401 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
316 double get_double () const; 402 double get_double () const { return strtod (value_nn, 0); }
317 403
318 void get (float &v) { v = get_double (); } 404 void get (float &v) { v = get_double (); }
319 void get (double &v) { v = get_double (); } 405 void get (double &v) { v = get_double (); }
320 406
407 void get (bool &i) { i = get_bool (); }
321 void get (sint8 &i) { i = get_sint32 (); } 408 void get (sint8 &i) { i = get_sint32 (); }
322 void get (uint8 &i) { i = get_sint32 (); } 409 void get (uint8 &i) { i = get_sint32 (); }
323 void get (sint16 &i) { i = get_sint32 (); } 410 void get (sint16 &i) { i = get_sint32 (); }
324 void get (uint16 &i) { i = get_sint32 (); } 411 void get (uint16 &i) { i = get_sint32 (); }
325 void get (sint32 &i) { i = get_sint32 (); } 412 void get (sint32 &i) { i = get_sint32 (); }
326 413
327 void get (uint32 &i) { i = get_sint64 (); } 414 void get (uint32 &i) { i = get_sint64 (); }
328 void get (sint64 &i) { i = get_sint64 (); } 415 void get (sint64 &i) { i = get_sint64 (); }
329};
330 416
417 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
418};
419
420//TODO: remove
331char *fgets (char *s, int n, object_thawer &thawer); 421char *fgets (char *s, int n, object_thawer &thawer);
422
423//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
424
425struct coroapi {
426 static struct CoroAPI *GCoroAPI;
427
428 static int nready () { return CORO_NREADY; }
429 static int cede () { return CORO_CEDE ; }
430
431 static tstamp next_cede;
432 static int cede_counter;
433
434 static void do_cede_every ();
435 static void do_cede_to_tick ();
436 static void do_cede_to_tick_every ();
437
438 static void cede_every (int count)
439 {
440 if (expect_false (++cede_counter >= count))
441 do_cede_every ();
442 }
443
444 static bool cede_to_tick ()
445 {
446 if (expect_true (now () < next_cede))
447 return false;
448
449 do_cede_to_tick ();
450 return true;
451 }
452
453 static bool cede_to_tick_every (int count)
454 {
455 if (expect_true (++cede_counter < count))
456 return false;
457
458 return cede_to_tick ();
459 }
460
461 static void wait_for_tick ();
462 static void wait_for_tick_begin ();
463};
332 464
333struct watcher_base 465struct watcher_base
334{ 466{
335 static struct EventAPI *GEventAPI; 467 static struct EventAPI *GEventAPI;
336}; 468};
355 487
356private: 488private:
357 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private 489 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
358}; 490};
359 491
492struct iw : watcher<pe_idle>, callback<void (iw &)>
493{
494 template<class O, class M>
495 iw (O object, M method)
496 : callback<void (iw &)> (object, method)
497 {
498 alloc ();
499 }
500
501private:
502 void alloc ();
503};
504
360struct iow : watcher<pe_io>, callback<void (iow &, int)> 505struct iow : watcher<pe_io>, callback<void (iow &, int)>
361{ 506{
362 template<class O, class M> 507 template<class O, class M>
363 iow (O object, M method) 508 iow (O object, M method)
364 : callback<void (iow &, int)> (object, method) 509 : callback<void (iow &, int)> (object, method)
365 { 510 {
366 alloc (); 511 alloc ();
367 } 512 }
368 513
369 iow &fd (int fd); 514 void fd (int fd);
370 int poll (); 515 int poll ();
371 iow &poll (int events); 516 void poll (int events);
372 517
373private: 518private:
374 void alloc (); 519 void alloc ();
375}; 520};
376 521

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