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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 1.43 by root, Sat Dec 30 15:07:59 2006 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
26// perl bug #40256: perl does overwrite those with reentrant versions 41// perl bug #40256: perl does overwrite those with reentrant versions
27// but does not initialise their state structures. 42// but does not initialise their state structures.
28#undef random 43#undef random
29#undef crypt 44#undef crypt
30 45
46//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
47
48// some macros to simplify perl in-calls
49
50#define CHECK_ERROR \
51 if (SvTRUE (ERRSV)) \
52 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
53
54#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
55#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
56#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
57#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
58#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
59
60//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
61
31void cfperl_init (); 62void cfperl_init ();
32void cfperl_main (); 63void cfperl_main ();
33 64
65//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
66
67// virtual server time, excluding time jumps and lag
68extern double runtime;
69
34enum event_klass 70enum event_klass
35{ 71{
36 KLASS_NONE, 72 KLASS_NONE,
37 KLASS_GLOBAL, 73 KLASS_GLOBAL,
74 KLASS_ATTACHABLE,
38 KLASS_SOCKET, 75 KLASS_CLIENT,
39 KLASS_PLAYER, 76 KLASS_PLAYER,
40 KLASS_OBJECT, 77 KLASS_OBJECT,
41 KLASS_MAP, 78 KLASS_MAP,
42 KLASS_COMMAND, 79 KLASS_COMMAND,
43}; 80};
… …
48# include "eventinc.h" 85# include "eventinc.h"
49# undef def 86# undef def
50 NUM_EVENT_TYPES 87 NUM_EVENT_TYPES
51}; 88};
52 89
53#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 90#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
54#define ARG_INT(v) DT_INT , static_cast<int> (v) 91#define ARG_INT(v) DT_INT , static_cast<int> (v)
55#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 92#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
56#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 93#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
57#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 94#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) 95#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) 96#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
60#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 97#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
61#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 98#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
62#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 99#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
100#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
63#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 101#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
64#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 102#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
65#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client_socket *> (o)
66 103
67// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 104// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
68 105
69// all these return true when the normal event processing should be skipped (if any) 106// 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__) 107#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
108#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__) 109#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__) 110#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__) 111#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__) 112#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
78 113
79//TODO should index into @result 114//TODO should index into @result
80#define RESULT(idx,type) cfperl_result_ ## type (idx) 115#define RESULT(idx,type) cfperl_result_ ## type (idx)
81#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 116#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
82#define RESULT_INT(idx) RESULT(idx, INT) 117#define RESULT_INT(idx) RESULT(idx, INT)
83 118
84bool cfperl_invoke (event_type event, ...);
85double cfperl_result_DOUBLE (int idx); 119double cfperl_result_DOUBLE (int idx);
86int cfperl_result_INT (int idx); 120int cfperl_result_INT (int idx);
87 121
122//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
123
88struct attachable_base 124struct attachable
89{ 125{
126 static MGVTBL vtbl;
127
128 static unordered_vector<attachable *> mortals;
129 static void check_mortals ();
130
131 enum {
132 F_DESTROYED = 0x01,
133 F_BORROWED = 0x02,
134 };
135
136 // object is delete'd after the refcount reaches 0
137 mutable int refcnt;
138 int flags;
139
140 void refcnt_inc () const { ++refcnt; }
141 void refcnt_dec () const { --refcnt; }
142
143 // check wether the object has died and destroy
144 void refcnt_chk () { if (refcnt <= 0) do_check (); }
145
146 // destroy the object unless it was already destroyed
147 // this politely asks everybody interested the reduce
148 // the refcount to 0 as soon as possible.
149 void destroy ();
150
151 // return wether an object was destroyed already
152 bool destroyed () const { return flags & F_DESTROYED; }
153
154 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
155
156#if 0
157private:
158 static refcounted *rc_first;
159 refcounted *rc_next;
160#endif
161
90 SV *self; // CF+ perl self 162 HV *self; // CF+ perl self
91 AV *cb; // CF+ callbacks 163 AV *cb; // CF+ callbacks
92 shstr attach; // generic extension attachment information 164 shstr attach; // generic extension attachment information
93 165
94 void clear (); // called when free'ing objects
95 void optimise (); // possibly save some memory by destroying unneeded data 166 void optimise (); // possibly save some memory by destroying unneeded data
96 void instantiate (data_type type, void *obj);
97 167
98 void attachable_clear ()
99 {
100 self = 0;
101 cb = 0;
102 attach = 0;
103 }
104
105 attachable_base () 168 attachable ()
169 : flags (0), refcnt (0), self (0), cb (0), attach (0)
106 { 170 {
107 attachable_clear ();
108 } 171 }
109 172
110 ~attachable_base ()
111 {
112 clear ();
113 }
114
115 attachable_base (const attachable_base &src) 173 attachable (const attachable &src)
116 : self (0), cb (0), attach (src.attach) 174 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
117 { 175 {
118 } 176 }
119 177
178 virtual ~attachable ();
179
120 attachable_base &operator =(const attachable_base &src) 180 attachable &operator =(const attachable &src);
121 {
122 clear ();
123 attach = src.attach;
124 return *this;
125 }
126};
127 181
128// objects attachable from perl (or any other extension) should include or 182 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 () 183 void instantiate ();
135 { 184 void reattach ();
136 if (attach) 185
137 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 186protected:
138 } 187 // do the real refcount checking work
188 void do_check ();
189
190 // the method that does the real destroy work
191 virtual void do_destroy ();
139}; 192};
193
194// the global object is a pseudo object that cares for the global events
195struct global : attachable
196{
197 void gather_callbacks (AV *&callbacks, event_type event) const;
198};
199
200extern struct global gbl_ev;
201
202//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
140 203
141struct object_freezer : dynbuf 204struct object_freezer : dynbuf
142{ 205{
143 AV *av; 206 AV *av;
144 207
145 object_freezer (); 208 object_freezer ();
146 ~object_freezer (); 209 ~object_freezer ();
147 210
148 void put (attachable_base *ext); 211 void put (attachable *ext);
149
150 template<class subclass>
151 void put (attachable<subclass> *obj)
152 {
153 put ((attachable_base *)obj);
154 }
155 212
156 // used only for user-defined key-value pairs 213 // used only for user-defined key-value pairs
157 void put (const shstr &k, const shstr &v) 214 void put (const shstr &k, const shstr &v)
158 { 215 {
159 add (k); 216 add (k);
… …
280struct object_thawer 337struct object_thawer
281{ 338{
282 SV *text; // text part 339 SV *text; // text part
283 AV *av; // perl part 340 AV *av; // perl part
284 char *line; // current beginning of line 341 char *line; // current beginning of line
285 char *last_value; 342 char *last_keyword, *last_value;
286 343
287 operator bool () { return !!text; } 344 operator bool () { return !!text; }
288 345
289 object_thawer (const char *filename = 0); 346 object_thawer (const char *filename = 0);
290 object_thawer (const char *data, AV *perlav); 347 object_thawer (const char *data, AV *perlav);
291 ~object_thawer (); 348 ~object_thawer ();
292 349
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) 350 void get (attachable *obj, int oid);
297 {
298 if (av)
299 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
300 }
301 351
302 keyword get_kv (); // also parse value for later use 352 keyword get_kv (); // also parse value for later use
353 void skip_kv (keyword kw);
303 354
304 const char *get_str () { return last_value; } // may be 0 355 const char *get_str () { return last_value; } // may be 0
305 356
306 void get (shstr &sh) const; 357 void get (shstr &sh) const;
307 void get_ornull (shstr &sh) const { sh = last_value; } 358 void get_ornull (shstr &sh) const { sh = last_value; }
… …
309 360
310 sint32 get_sint32 () const; 361 sint32 get_sint32 () const;
311 sint64 get_sint64 () const; 362 sint64 get_sint64 () const;
312 double get_double () const; 363 double get_double () const;
313 364
314 void get (float &v) { v = get_double (); } 365 void get (float &v) { v = get_double (); }
315 void get (double &v) { v = get_double (); } 366 void get (double &v) { v = get_double (); }
316 367
368 void get (bool &i) { i = get_sint32 (); }
317 void get (sint8 &i) { i = get_sint32 (); } 369 void get (sint8 &i) { i = get_sint32 (); }
318 void get (uint8 &i) { i = get_sint32 (); } 370 void get (uint8 &i) { i = get_sint32 (); }
319 void get (sint16 &i) { i = get_sint32 (); } 371 void get (sint16 &i) { i = get_sint32 (); }
320 void get (uint16 &i) { i = get_sint32 (); } 372 void get (uint16 &i) { i = get_sint32 (); }
321 void get (sint32 &i) { i = get_sint32 (); } 373 void get (sint32 &i) { i = get_sint32 (); }
… …
324 void get (sint64 &i) { i = get_sint64 (); } 376 void get (sint64 &i) { i = get_sint64 (); }
325}; 377};
326 378
327char *fgets (char *s, int n, object_thawer &thawer); 379char *fgets (char *s, int n, object_thawer &thawer);
328 380
381//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
382
383struct coroapi {
384 static struct CoroAPI *GCoroAPI;
385
386 static int nready () { return CORO_NREADY; }
387 static int cede () { return CORO_CEDE ; }
388};
389
390struct watcher_base
391{
392 static struct EventAPI *GEventAPI;
393};
394
395template<class base>
396struct watcher : watcher_base
397{
398 base *pe;
399
400 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
401 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
402 void now () { GEventAPI->now ((pe_watcher *)pe); }
403 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
404 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
405
406 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
407
408 ~watcher ()
409 {
410 cancel ();
411 }
412
413private:
414 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
415};
416
417struct iw : watcher<pe_idle>, callback<void (iw &)>
418{
419 template<class O, class M>
420 iw (O object, M method)
421 : callback<void (iw &)> (object, method)
422 {
423 alloc ();
424 }
425
426private:
427 void alloc ();
428};
429
430struct iow : watcher<pe_io>, callback<void (iow &, int)>
431{
432 template<class O, class M>
433 iow (O object, M method)
434 : callback<void (iow &, int)> (object, method)
435 {
436 alloc ();
437 }
438
439 void fd (int fd);
440 int poll ();
441 void poll (int events);
442
443private:
444 void alloc ();
445};
446
329#endif 447#endif
330 448

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