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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.35 by root, Thu Dec 14 05:09:32 2006 UTC vs.
Revision 1.49 by root, Mon Jan 8 01:19:03 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,
38 KLASS_SOCKET, 76 KLASS_CLIENT,
39 KLASS_PLAYER, 77 KLASS_PLAYER,
40 KLASS_OBJECT, 78 KLASS_OBJECT,
41 KLASS_MAP, 79 KLASS_MAP,
42 KLASS_COMMAND, 80 KLASS_COMMAND,
43}; 81};
… …
48# include "eventinc.h" 86# include "eventinc.h"
49# undef def 87# undef def
50 NUM_EVENT_TYPES 88 NUM_EVENT_TYPES
51}; 89};
52 90
53#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 91#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
54#define ARG_INT(v) DT_INT , static_cast<int> (v) 92#define ARG_INT(v) DT_INT , static_cast<int> (v)
55#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 93#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
56#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 94#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
57#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 95#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
58#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)
59#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 97#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
60#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 98#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
61#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 99#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
62#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))
63#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 102#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
64#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 103#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
65#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client_socket *> (o)
66 104
67// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 105// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
68 106
69// 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)
70#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
71
72#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
73#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)
74#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)
75#define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__) 111#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
76#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)
77#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)
78 114
79//TODO should index into @result 115//TODO should index into @result
80#define RESULT(idx,type) cfperl_result_ ## type (idx) 116#define RESULT(idx,type) cfperl_result_ ## type (idx)
81#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 117#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
82#define RESULT_INT(idx) RESULT(idx, INT) 118#define RESULT_INT(idx) RESULT(idx, INT)
83 119
84bool cfperl_invoke (event_type event, ...);
85double cfperl_result_DOUBLE (int idx); 120double cfperl_result_DOUBLE (int idx);
86int cfperl_result_INT (int idx); 121int cfperl_result_INT (int idx);
87 122
123//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124
125INTERFACE_CLASS (attachable)
88struct attachable_base 126struct attachable
89{ 127{
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 MTH int refcnt_cnt () const;
146 // check wether the object has died and destroy
147 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
148
149 // destroy the object unless it was already destroyed
150 // this politely asks everybody interested the reduce
151 // the refcount to 0 as soon as possible.
152 MTH void destroy ();
153
154 // return wether an object was destroyed already
155 MTH bool destroyed () const { return flags & F_DESTROYED; }
156
157 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
158
159#if 0
160private:
161 static refcounted *rc_first;
162 refcounted *rc_next;
163#endif
164
90 SV *self; // CF+ perl self 165 HV *self; // CF+ perl self
91 AV *cb; // CF+ callbacks 166 AV *cb; // CF+ callbacks
92 shstr attach; // generic extension attachment information 167 shstr attach; // generic extension attachment information
93 168
94 void clear (); // called when free'ing objects
95 void optimise (); // possibly save some memory by destroying unneeded data 169 void optimise (); // possibly save some memory by destroying unneeded data
96 void instantiate (data_type type, void *obj);
97 170
98 void attachable_clear ()
99 {
100 self = 0;
101 cb = 0;
102 attach = 0;
103 }
104
105 attachable_base () 171 attachable ()
172 : flags (0), refcnt (0), self (0), cb (0), attach (0)
106 { 173 {
107 attachable_clear ();
108 } 174 }
109 175
110 ~attachable_base ()
111 {
112 clear ();
113 }
114
115 attachable_base (const attachable_base &src) 176 attachable (const attachable &src)
116 : self (0), cb (0), attach (src.attach) 177 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
117 { 178 {
118 } 179 }
119 180
181 virtual ~attachable ();
182
120 attachable_base &operator =(const attachable_base &src) 183 attachable &operator =(const attachable &src);
121 {
122 clear ();
123 attach = src.attach;
124 return *this;
125 }
126};
127 184
128// objects attachable from perl (or any other extension) should include or 185 bool invoke (event_type event, ...);
129// derive using the curiously recurring template pattern, to avoid
130// virtual method calls etc.
131template<class subclass>
132struct attachable : attachable_base
133{
134 void instantiate () 186 MTH void instantiate ();
135 { 187 void reattach ();
136 if (attach) 188
137 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 189protected:
138 } 190 // do the real refcount checking work
191 void do_check ();
192
193 // the method that does the real destroy work
194 virtual void do_destroy ();
139}; 195};
196
197// the global object is a pseudo object that cares for the global events
198struct global : attachable
199{
200 void gather_callbacks (AV *&callbacks, event_type event) const;
201};
202
203extern struct global gbl_ev;
204
205//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
140 206
141struct object_freezer : dynbuf 207struct object_freezer : dynbuf
142{ 208{
143 AV *av; 209 AV *av;
144 210
145 object_freezer (); 211 object_freezer ();
146 ~object_freezer (); 212 ~object_freezer ();
147 213
148 void put (attachable_base *ext); 214 void put (attachable *ext);
149
150 template<class subclass>
151 void put (attachable<subclass> *obj)
152 {
153 put ((attachable_base *)obj);
154 }
155 215
156 // used only for user-defined key-value pairs 216 // used only for user-defined key-value pairs
157 void put (const shstr &k, const shstr &v) 217 void put (const shstr &k, const shstr &v)
158 { 218 {
159 add (k); 219 add (k);
… …
190 } 250 }
191 251
192 *p = '\n'; 252 *p = '\n';
193 } 253 }
194 254
195 void put (keyword k, const char *v) 255 void put (keyword k, const char *v = 0)
196 { 256 {
197 put_string (k, v); 257 put_string (k, v);
198 } 258 }
199 259
200 void put (keyword k, const shstr &v) 260 void put (keyword k, const shstr &v)
… …
265 void put (keyword k, const refptr<T> &v) 325 void put (keyword k, const refptr<T> &v)
266 { 326 {
267 put (k, (T *)v); 327 put (k, (T *)v);
268 } 328 }
269 329
270 bool save (const char *filename); 330 bool save (const char *path);
271 char *as_string (); // like strdup 331 char *as_string (); // like strdup
272 332
273 operator bool () { return !!av; } 333 operator bool () { return !!av; }
274}; 334};
275 335
… …
280struct object_thawer 340struct object_thawer
281{ 341{
282 SV *text; // text part 342 SV *text; // text part
283 AV *av; // perl part 343 AV *av; // perl part
284 char *line; // current beginning of line 344 char *line; // current beginning of line
285 char *last_value; 345 char *last_keyword, *last_value;
346 const char *name;
286 347
287 operator bool () { return !!text; } 348 operator bool () { return !!text; }
288 349
289 object_thawer (const char *filename = 0); 350 object_thawer (const char *path = 0);
290 object_thawer (const char *data, AV *perlav); 351 object_thawer (const char *data, AV *perlav);
291 ~object_thawer (); 352 ~object_thawer ();
292 353
293 void get (data_type type, void *obj, attachable_base *ext, int oid);
294
295 template<class subclass>
296 void get (attachable<subclass> *obj, int oid) 354 void get (attachable *obj, int oid);
297 {
298 if (av)
299 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
300 }
301 355
302 keyword get_kv (); // also parse value for later use 356 keyword get_kv (); // also parse value for later use
357 void skip_kv (keyword kw);
303 358
304 const char *get_str () { return last_value; } // may be 0 359 const char *get_str () { return last_value; } // may be 0
305 360
306 void get (shstr &sh) const; 361 void get (shstr &sh) const;
307 void get_ornull (shstr &sh) const { sh = last_value; } 362 void get_ornull (shstr &sh) const { sh = last_value; }
… …
309 364
310 sint32 get_sint32 () const; 365 sint32 get_sint32 () const;
311 sint64 get_sint64 () const; 366 sint64 get_sint64 () const;
312 double get_double () const; 367 double get_double () const;
313 368
314 void get (float &v) { v = get_double (); } 369 void get (float &v) { v = get_double (); }
315 void get (double &v) { v = get_double (); } 370 void get (double &v) { v = get_double (); }
316 371
372 void get (bool &i) { i = get_sint32 (); }
317 void get (sint8 &i) { i = get_sint32 (); } 373 void get (sint8 &i) { i = get_sint32 (); }
318 void get (uint8 &i) { i = get_sint32 (); } 374 void get (uint8 &i) { i = get_sint32 (); }
319 void get (sint16 &i) { i = get_sint32 (); } 375 void get (sint16 &i) { i = get_sint32 (); }
320 void get (uint16 &i) { i = get_sint32 (); } 376 void get (uint16 &i) { i = get_sint32 (); }
321 void get (sint32 &i) { i = get_sint32 (); } 377 void get (sint32 &i) { i = get_sint32 (); }
… …
324 void get (sint64 &i) { i = get_sint64 (); } 380 void get (sint64 &i) { i = get_sint64 (); }
325}; 381};
326 382
327char *fgets (char *s, int n, object_thawer &thawer); 383char *fgets (char *s, int n, object_thawer &thawer);
328 384
385//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
386
387struct coroapi {
388 static struct CoroAPI *GCoroAPI;
389
390 static int nready () { return CORO_NREADY; }
391 static int cede () { return CORO_CEDE ; }
392
393 static int cede_counter;
394
395 static void cede_every (int count)
396 {
397 if (++cede_counter >= count)
398 {
399 cede_counter = 0;
400
401 if (coroapi::nready ())
402 coroapi::cede ();
403 }
404 }
405};
406
407struct watcher_base
408{
409 static struct EventAPI *GEventAPI;
410};
411
412template<class base>
413struct watcher : watcher_base
414{
415 base *pe;
416
417 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
418 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
419 void now () { GEventAPI->now ((pe_watcher *)pe); }
420 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
421 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
422
423 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
424
425 ~watcher ()
426 {
427 cancel ();
428 }
429
430private:
431 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
432};
433
434struct iw : watcher<pe_idle>, callback<void (iw &)>
435{
436 template<class O, class M>
437 iw (O object, M method)
438 : callback<void (iw &)> (object, method)
439 {
440 alloc ();
441 }
442
443private:
444 void alloc ();
445};
446
447struct iow : watcher<pe_io>, callback<void (iow &, int)>
448{
449 template<class O, class M>
450 iow (O object, M method)
451 : callback<void (iow &, int)> (object, method)
452 {
453 alloc ();
454 }
455
456 void fd (int fd);
457 int poll ();
458 void poll (int events);
459
460private:
461 void alloc ();
462};
463
329#endif 464#endif
330 465

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