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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.34 by root, Mon Dec 11 23:35:37 2006 UTC vs.
Revision 1.47 by root, Sun Jan 7 02:39:14 2007 UTC

… …
9using namespace std; 9using namespace std;
10 10
11#include <EXTERN.h> 11#include <EXTERN.h>
12#include <perl.h> 12#include <perl.h>
13#include <XSUB.h> 13#include <XSUB.h>
14
15#include <EventAPI.h>
16#include <CoroAPI.h>
17
18#include "util.h"
19#include "keyword.h"
20#include "dynbuf.h"
21#include "callback.h"
22
23//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
14 24
15// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 25// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
16#undef localtime 26#undef localtime
17#undef srand48 27#undef srand48
18#undef drand48 28#undef drand48
… …
21#undef getprotobyname 31#undef getprotobyname
22#undef gethostbyname 32#undef gethostbyname
23#undef ctime 33#undef ctime
24#undef strerror 34#undef strerror
25 35
36// same here, massive symbol spamming
37#undef do_open
38#undef do_close
39#undef ref
40#undef seed
41
26// perl bug #40256: perl does overwrite those with reentrant versions 42// perl bug #40256: perl does overwrite those with reentrant versions
27// but does not initialise their state structures. 43// but does not initialise their state structures.
28#undef random 44#undef random
29#undef crypt 45#undef crypt
30 46
47//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48
49// some macros to simplify perl in-calls
50
51#define CHECK_ERROR \
52 if (SvTRUE (ERRSV)) \
53 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
54
55#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
56#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
57#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
58#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
59#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
60
61//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62
31void cfperl_init (); 63void cfperl_init ();
32void cfperl_main (); 64void cfperl_main ();
33 65
66//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
67
68// virtual server time, excluding time jumps and lag
69extern double runtime;
70
34enum event_klass 71enum event_klass
35{ 72{
36 KLASS_NONE, 73 KLASS_NONE,
37 KLASS_GLOBAL, 74 KLASS_GLOBAL,
75 KLASS_ATTACHABLE,
76 KLASS_CLIENT,
38 KLASS_PLAYER, 77 KLASS_PLAYER,
39 KLASS_OBJECT, 78 KLASS_OBJECT,
40 KLASS_MAP, 79 KLASS_MAP,
41 KLASS_COMMAND, 80 KLASS_COMMAND,
42}; 81};
… …
47# include "eventinc.h" 86# include "eventinc.h"
48# undef def 87# undef def
49 NUM_EVENT_TYPES 88 NUM_EVENT_TYPES
50}; 89};
51 90
52#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 91#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
53#define ARG_INT(v) DT_INT , static_cast<int> (v) 92#define ARG_INT(v) DT_INT , static_cast<int> (v)
54#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 93#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
55#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 94#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
56#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 95#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
57#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 96#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
58#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 97#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
59#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 98#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
60#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 99#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
61#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 100#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
101#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
62#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 102#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
63#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 103#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
64 104
65// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 105// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
66 106
67// all these return true when the normal event processing should be skipped (if any) 107// all these return true when the normal event processing should be skipped (if any)
68#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
69
70#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
71#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 108#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
109#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
72#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 110#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
111#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
73#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 112#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
74#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 113#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
75 114
76//TODO should index into @result 115//TODO should index into @result
77#define RESULT(idx,type) cfperl_result_ ## type (idx) 116#define RESULT(idx,type) cfperl_result_ ## type (idx)
78#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 117#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
79#define RESULT_INT(idx) RESULT(idx, INT) 118#define RESULT_INT(idx) RESULT(idx, INT)
80 119
81bool cfperl_invoke (event_type event, ...);
82double cfperl_result_DOUBLE (int idx); 120double cfperl_result_DOUBLE (int idx);
83int cfperl_result_INT (int idx); 121int cfperl_result_INT (int idx);
84 122
123//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124
125INTERFACE_CLASS (attachable)
85struct attachable_base 126struct attachable
86{ 127{
87 SV *self; 128 static MGVTBL vtbl;
129
130 static unordered_vector<attachable *> mortals;
131 MTH static void check_mortals ();
132
133 enum {
134 F_DESTROYED = 0x01,
135 F_BORROWED = 0x02,
136 };
137
138 // object is delete'd after the refcount reaches 0
139 mutable int ACC (RW, refcnt);
140 int ACC (RW, flags);
141
142 MTH void refcnt_inc () const { ++refcnt; }
143 MTH void refcnt_dec () const { --refcnt; }
144
145 // check wether the object has died and destroy
146 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
147
148 // destroy the object unless it was already destroyed
149 // this politely asks everybody interested the reduce
150 // the refcount to 0 as soon as possible.
151 MTH void destroy ();
152
153 // return wether an object was destroyed already
154 MTH bool destroyed () const { return flags & F_DESTROYED; }
155
156 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
157
158#if 0
159private:
160 static refcounted *rc_first;
161 refcounted *rc_next;
162#endif
163
164 HV *self; // CF+ perl self
88 AV *cb; // CF+ perl self and callback 165 AV *cb; // CF+ callbacks
89 shstr attach; // generic extension attachment information 166 shstr attach; // generic extension attachment information
90 167
91 void clear (); // called when free'ing objects
92 void optimise (); // possibly save some memory by destroying unneeded data 168 void optimise (); // possibly save some memory by destroying unneeded data
93 void instantiate (data_type type, void *obj);
94 169
95 void attachable_clear ()
96 {
97 self = 0;
98 cb = 0;
99 attach = 0;
100 }
101
102 attachable_base () 170 attachable ()
171 : flags (0), refcnt (0), self (0), cb (0), attach (0)
103 { 172 {
104 attachable_clear ();
105 } 173 }
106 174
107 ~attachable_base ()
108 {
109 clear ();
110 }
111
112 attachable_base (const attachable_base &src) 175 attachable (const attachable &src)
113 : self (0), cb (0), attach (src.attach) 176 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
114 { 177 {
115 } 178 }
116 179
180 virtual ~attachable ();
181
117 attachable_base &operator = (const attachable_base &src) 182 attachable &operator =(const attachable &src);
118 {
119 clear ();
120 attach = src.attach;
121 return *this;
122 }
123};
124 183
125// objects attachable from perl (or any other extension) should include or 184 bool invoke (event_type event, ...);
126// derive using the curiously recurring template pattern, to avoid
127// virtual method calls etc.
128template<class subclass>
129struct attachable : attachable_base
130{
131 void instantiate () 185 void instantiate ();
132 { 186 void reattach ();
133 if (attach) 187
134 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 188protected:
135 } 189 // do the real refcount checking work
190 void do_check ();
191
192 // the method that does the real destroy work
193 virtual void do_destroy ();
136}; 194};
195
196// the global object is a pseudo object that cares for the global events
197struct global : attachable
198{
199 void gather_callbacks (AV *&callbacks, event_type event) const;
200};
201
202extern struct global gbl_ev;
203
204//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
137 205
138struct object_freezer : dynbuf 206struct object_freezer : dynbuf
139{ 207{
140 AV *av; 208 AV *av;
141 209
142 object_freezer (); 210 object_freezer ();
143 ~object_freezer (); 211 ~object_freezer ();
144 212
145 void put (attachable_base *ext); 213 void put (attachable *ext);
146
147 template<class subclass>
148 void put (attachable<subclass> *obj)
149 {
150 put ((attachable_base *)obj);
151 }
152 214
153 // used only for user-defined key-value pairs 215 // used only for user-defined key-value pairs
154 void put (const shstr &k, const shstr &v) 216 void put (const shstr &k, const shstr &v)
155 { 217 {
156 add (k); 218 add (k);
… …
187 } 249 }
188 250
189 *p = '\n'; 251 *p = '\n';
190 } 252 }
191 253
192 void put (keyword k, const char *v) 254 void put (keyword k, const char *v = 0)
193 { 255 {
194 put_string (k, v); 256 put_string (k, v);
195 } 257 }
196 258
197 void put (keyword k, const shstr &v) 259 void put (keyword k, const shstr &v)
… …
262 void put (keyword k, const refptr<T> &v) 324 void put (keyword k, const refptr<T> &v)
263 { 325 {
264 put (k, (T *)v); 326 put (k, (T *)v);
265 } 327 }
266 328
267 bool save (const char *filename); 329 bool save (const char *path);
268 char *as_string (); // like strdup 330 char *as_string (); // like strdup
269 331
270 operator bool () { return !!av; } 332 operator bool () { return !!av; }
271}; 333};
272 334
… …
277struct object_thawer 339struct object_thawer
278{ 340{
279 SV *text; // text part 341 SV *text; // text part
280 AV *av; // perl part 342 AV *av; // perl part
281 char *line; // current beginning of line 343 char *line; // current beginning of line
282 char *last_value; 344 char *last_keyword, *last_value;
345 const char *name;
283 346
284 operator bool () { return !!text; } 347 operator bool () { return !!text; }
285 348
286 object_thawer (const char *filename = 0); 349 object_thawer (const char *path = 0);
287 object_thawer (const char *data, AV *perlav); 350 object_thawer (const char *data, AV *perlav);
288 ~object_thawer (); 351 ~object_thawer ();
289 352
290 void get (data_type type, void *obj, attachable_base *ext, int oid);
291
292 template<class subclass>
293 void get (attachable<subclass> *obj, int oid) 353 void get (attachable *obj, int oid);
294 {
295 if (av)
296 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
297 }
298 354
299 keyword get_kv (); // also parse value for later use 355 keyword get_kv (); // also parse value for later use
356 void skip_kv (keyword kw);
300 357
301 const char *get_str () { return last_value; } // may be 0 358 const char *get_str () { return last_value; } // may be 0
302 359
303 void get (shstr &sh) const; 360 void get (shstr &sh) const;
304 void get_ornull (shstr &sh) const { sh = last_value; } 361 void get_ornull (shstr &sh) const { sh = last_value; }
… …
306 363
307 sint32 get_sint32 () const; 364 sint32 get_sint32 () const;
308 sint64 get_sint64 () const; 365 sint64 get_sint64 () const;
309 double get_double () const; 366 double get_double () const;
310 367
311 void get (float &v) { v = get_double (); } 368 void get (float &v) { v = get_double (); }
312 void get (double &v) { v = get_double (); } 369 void get (double &v) { v = get_double (); }
313 370
371 void get (bool &i) { i = get_sint32 (); }
314 void get (sint8 &i) { i = get_sint32 (); } 372 void get (sint8 &i) { i = get_sint32 (); }
315 void get (uint8 &i) { i = get_sint32 (); } 373 void get (uint8 &i) { i = get_sint32 (); }
316 void get (sint16 &i) { i = get_sint32 (); } 374 void get (sint16 &i) { i = get_sint32 (); }
317 void get (uint16 &i) { i = get_sint32 (); } 375 void get (uint16 &i) { i = get_sint32 (); }
318 void get (sint32 &i) { i = get_sint32 (); } 376 void get (sint32 &i) { i = get_sint32 (); }
… …
321 void get (sint64 &i) { i = get_sint64 (); } 379 void get (sint64 &i) { i = get_sint64 (); }
322}; 380};
323 381
324char *fgets (char *s, int n, object_thawer &thawer); 382char *fgets (char *s, int n, object_thawer &thawer);
325 383
384//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
385
386struct coroapi {
387 static struct CoroAPI *GCoroAPI;
388
389 static int nready () { return CORO_NREADY; }
390 static int cede () { return CORO_CEDE ; }
391
392 static int cede_counter;
393
394 static void cede_every (int count)
395 {
396 if (++cede_counter >= count)
397 {
398 cede_counter = 0;
399
400 if (coroapi::nready ())
401 coroapi::cede ();
402 }
403 }
404};
405
406struct watcher_base
407{
408 static struct EventAPI *GEventAPI;
409};
410
411template<class base>
412struct watcher : watcher_base
413{
414 base *pe;
415
416 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
417 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
418 void now () { GEventAPI->now ((pe_watcher *)pe); }
419 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
420 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
421
422 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
423
424 ~watcher ()
425 {
426 cancel ();
427 }
428
429private:
430 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
431};
432
433struct iw : watcher<pe_idle>, callback<void (iw &)>
434{
435 template<class O, class M>
436 iw (O object, M method)
437 : callback<void (iw &)> (object, method)
438 {
439 alloc ();
440 }
441
442private:
443 void alloc ();
444};
445
446struct iow : watcher<pe_io>, callback<void (iow &, int)>
447{
448 template<class O, class M>
449 iow (O object, M method)
450 : callback<void (iow &, int)> (object, method)
451 {
452 alloc ();
453 }
454
455 void fd (int fd);
456 int poll ();
457 void poll (int events);
458
459private:
460 void alloc ();
461};
462
326#endif 463#endif
327 464

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