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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.36 by root, Thu Dec 14 20:39:54 2006 UTC vs.
Revision 1.50 by root, Tue Jan 9 21:32:42 2007 UTC

… …
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 14
15#include <EventAPI.h> 15#include <EventAPI.h>
16#include <CoroAPI.h>
16 17
18#include "util.h"
19#include "keyword.h"
20#include "dynbuf.h"
17#include "callback.h" 21#include "callback.h"
22
23//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
18 24
19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 25// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
20#undef localtime 26#undef localtime
21#undef srand48 27#undef srand48
22#undef drand48 28#undef drand48
… …
25#undef getprotobyname 31#undef getprotobyname
26#undef gethostbyname 32#undef gethostbyname
27#undef ctime 33#undef ctime
28#undef strerror 34#undef strerror
29 35
36// same here, massive symbol spamming
37#undef do_open
38#undef do_close
39#undef ref
40#undef seed
41
30// perl bug #40256: perl does overwrite those with reentrant versions 42// perl bug #40256: perl does overwrite those with reentrant versions
31// but does not initialise their state structures. 43// but does not initialise their state structures.
32#undef random 44#undef random
33#undef crypt 45#undef crypt
34 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
35void cfperl_init (); 63void cfperl_init ();
36void cfperl_main (); 64void cfperl_main ();
65void cfperl_emergency_save ();
66
67//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
68
69// virtual server time, excluding time jumps and lag
70extern double runtime;
37 71
38enum event_klass 72enum event_klass
39{ 73{
40 KLASS_NONE, 74 KLASS_NONE,
41 KLASS_GLOBAL, 75 KLASS_GLOBAL,
76 KLASS_ATTACHABLE,
42 KLASS_SOCKET, 77 KLASS_CLIENT,
43 KLASS_PLAYER, 78 KLASS_PLAYER,
44 KLASS_OBJECT, 79 KLASS_OBJECT,
45 KLASS_MAP, 80 KLASS_MAP,
46 KLASS_COMMAND, 81 KLASS_COMMAND,
47}; 82};
… …
52# include "eventinc.h" 87# include "eventinc.h"
53# undef def 88# undef def
54 NUM_EVENT_TYPES 89 NUM_EVENT_TYPES
55}; 90};
56 91
57#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 92#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
58#define ARG_INT(v) DT_INT , static_cast<int> (v) 93#define ARG_INT(v) DT_INT , static_cast<int> (v)
59#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 94#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
60#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 95#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
61#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 96#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) 97#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) 98#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
64#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 99#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
65#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 100#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
66#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 101#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
102#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
67#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 103#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
68#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 104#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
69#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client_socket *> (o)
70 105
71// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 106// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
72 107
73// all these return true when the normal event processing should be skipped (if any) 108// 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__) 109#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
110#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
78#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 111#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
79#define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__) 112#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
80#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 113#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
81#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 114#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
82 115
83//TODO should index into @result 116//TODO should index into @result
84#define RESULT(idx,type) cfperl_result_ ## type (idx) 117#define RESULT(idx,type) cfperl_result_ ## type (idx)
85#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 118#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
86#define RESULT_INT(idx) RESULT(idx, INT) 119#define RESULT_INT(idx) RESULT(idx, INT)
87 120
88bool cfperl_invoke (event_type event, ...);
89double cfperl_result_DOUBLE (int idx); 121double cfperl_result_DOUBLE (int idx);
90int cfperl_result_INT (int idx); 122int cfperl_result_INT (int idx);
91 123
124//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
125
126INTERFACE_CLASS (attachable)
92struct attachable_base 127struct attachable
93{ 128{
129 static MGVTBL vtbl;
130
131 static unordered_vector<attachable *> mortals;
132 MTH static void check_mortals ();
133
134 enum {
135 F_DESTROYED = 0x01,
136 F_BORROWED = 0x02,
137 };
138
139 // object is delete'd after the refcount reaches 0
140 mutable int ACC (RW, refcnt);
141 int ACC (RW, flags);
142
143 MTH void refcnt_inc () const { ++refcnt; }
144 MTH void refcnt_dec () const { --refcnt; }
145
146 MTH int refcnt_cnt () const;
147 // check wether the object has died and destroy
148 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
149
150 // destroy the object unless it was already destroyed
151 // this politely asks everybody interested the reduce
152 // the refcount to 0 as soon as possible.
153 MTH void destroy ();
154
155 // return wether an object was destroyed already
156 MTH bool destroyed () const { return flags & F_DESTROYED; }
157
158 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
159
160#if 0
161private:
162 static refcounted *rc_first;
163 refcounted *rc_next;
164#endif
165
94 SV *self; // CF+ perl self 166 HV *self; // CF+ perl self
95 AV *cb; // CF+ callbacks 167 AV *cb; // CF+ callbacks
96 shstr attach; // generic extension attachment information 168 shstr attach; // generic extension attachment information
97 169
98 void clear (); // called when free'ing objects
99 void optimise (); // possibly save some memory by destroying unneeded data 170 void optimise (); // possibly save some memory by destroying unneeded data
100 void instantiate (data_type type, void *obj);
101 171
102 void attachable_clear ()
103 {
104 self = 0;
105 cb = 0;
106 attach = 0;
107 }
108
109 attachable_base () 172 attachable ()
173 : flags (0), refcnt (0), self (0), cb (0), attach (0)
110 { 174 {
111 attachable_clear ();
112 } 175 }
113 176
114 ~attachable_base ()
115 {
116 clear ();
117 }
118
119 attachable_base (const attachable_base &src) 177 attachable (const attachable &src)
120 : self (0), cb (0), attach (src.attach) 178 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
121 { 179 {
122 } 180 }
123 181
182 virtual ~attachable ();
183
124 attachable_base &operator =(const attachable_base &src) 184 attachable &operator =(const attachable &src);
125 {
126 clear ();
127 attach = src.attach;
128 return *this;
129 }
130};
131 185
132// objects attachable from perl (or any other extension) should include or 186 bool invoke (event_type event, ...);
133// derive using the curiously recurring template pattern, to avoid
134// virtual method calls etc.
135template<class subclass>
136struct attachable : attachable_base
137{
138 void instantiate () 187 MTH void instantiate ();
139 { 188 void reattach ();
140 if (attach) 189
141 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 190protected:
142 } 191 // do the real refcount checking work
192 void do_check ();
193
194 // the method that does the real destroy work
195 virtual void do_destroy ();
143}; 196};
197
198// the global object is a pseudo object that cares for the global events
199struct global : attachable
200{
201 void gather_callbacks (AV *&callbacks, event_type event) const;
202};
203
204extern struct global gbl_ev;
205
206//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
144 207
145struct object_freezer : dynbuf 208struct object_freezer : dynbuf
146{ 209{
147 AV *av; 210 AV *av;
148 211
149 object_freezer (); 212 object_freezer ();
150 ~object_freezer (); 213 ~object_freezer ();
151 214
152 void put (attachable_base *ext); 215 void put (attachable *ext);
153
154 template<class subclass>
155 void put (attachable<subclass> *obj)
156 {
157 put ((attachable_base *)obj);
158 }
159 216
160 // used only for user-defined key-value pairs 217 // used only for user-defined key-value pairs
161 void put (const shstr &k, const shstr &v) 218 void put (const shstr &k, const shstr &v)
162 { 219 {
163 add (k); 220 add (k);
… …
194 } 251 }
195 252
196 *p = '\n'; 253 *p = '\n';
197 } 254 }
198 255
199 void put (keyword k, const char *v) 256 void put (keyword k, const char *v = 0)
200 { 257 {
201 put_string (k, v); 258 put_string (k, v);
202 } 259 }
203 260
204 void put (keyword k, const shstr &v) 261 void put (keyword k, const shstr &v)
… …
269 void put (keyword k, const refptr<T> &v) 326 void put (keyword k, const refptr<T> &v)
270 { 327 {
271 put (k, (T *)v); 328 put (k, (T *)v);
272 } 329 }
273 330
274 bool save (const char *filename); 331 bool save (const char *path);
275 char *as_string (); // like strdup 332 char *as_string (); // like strdup
276 333
277 operator bool () { return !!av; } 334 operator bool () { return !!av; }
278}; 335};
279 336
… …
284struct object_thawer 341struct object_thawer
285{ 342{
286 SV *text; // text part 343 SV *text; // text part
287 AV *av; // perl part 344 AV *av; // perl part
288 char *line; // current beginning of line 345 char *line; // current beginning of line
289 char *last_value; 346 char *last_keyword, *last_value;
347 const char *name;
290 348
291 operator bool () { return !!text; } 349 operator bool () { return !!text; }
292 350
293 object_thawer (const char *filename = 0); 351 object_thawer (const char *path = 0);
294 object_thawer (const char *data, AV *perlav); 352 object_thawer (const char *data, AV *perlav);
295 ~object_thawer (); 353 ~object_thawer ();
296 354
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) 355 void get (attachable *obj, int oid);
301 {
302 if (av)
303 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
304 }
305 356
306 keyword get_kv (); // also parse value for later use 357 keyword get_kv (); // also parse value for later use
358 void skip_kv (keyword kw);
307 359
308 const char *get_str () { return last_value; } // may be 0 360 const char *get_str () { return last_value; } // may be 0
309 361
310 void get (shstr &sh) const; 362 void get (shstr &sh) const;
311 void get_ornull (shstr &sh) const { sh = last_value; } 363 void get_ornull (shstr &sh) const { sh = last_value; }
… …
313 365
314 sint32 get_sint32 () const; 366 sint32 get_sint32 () const;
315 sint64 get_sint64 () const; 367 sint64 get_sint64 () const;
316 double get_double () const; 368 double get_double () const;
317 369
318 void get (float &v) { v = get_double (); } 370 void get (float &v) { v = get_double (); }
319 void get (double &v) { v = get_double (); } 371 void get (double &v) { v = get_double (); }
320 372
373 void get (bool &i) { i = get_sint32 (); }
321 void get (sint8 &i) { i = get_sint32 (); } 374 void get (sint8 &i) { i = get_sint32 (); }
322 void get (uint8 &i) { i = get_sint32 (); } 375 void get (uint8 &i) { i = get_sint32 (); }
323 void get (sint16 &i) { i = get_sint32 (); } 376 void get (sint16 &i) { i = get_sint32 (); }
324 void get (uint16 &i) { i = get_sint32 (); } 377 void get (uint16 &i) { i = get_sint32 (); }
325 void get (sint32 &i) { i = get_sint32 (); } 378 void get (sint32 &i) { i = get_sint32 (); }
… …
328 void get (sint64 &i) { i = get_sint64 (); } 381 void get (sint64 &i) { i = get_sint64 (); }
329}; 382};
330 383
331char *fgets (char *s, int n, object_thawer &thawer); 384char *fgets (char *s, int n, object_thawer &thawer);
332 385
386//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
387
388struct coroapi {
389 static struct CoroAPI *GCoroAPI;
390
391 static int nready () { return CORO_NREADY; }
392 static int cede () { return CORO_CEDE ; }
393
394 static int cede_counter;
395
396 static void cede_every (int count)
397 {
398 if (++cede_counter >= count)
399 {
400 cede_counter = 0;
401
402 if (coroapi::nready ())
403 coroapi::cede ();
404 }
405 }
406};
407
333struct watcher_base 408struct watcher_base
334{ 409{
335 static struct EventAPI *GEventAPI; 410 static struct EventAPI *GEventAPI;
336}; 411};
337 412
… …
355 430
356private: 431private:
357 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private 432 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
358}; 433};
359 434
435struct iw : watcher<pe_idle>, callback<void (iw &)>
436{
437 template<class O, class M>
438 iw (O object, M method)
439 : callback<void (iw &)> (object, method)
440 {
441 alloc ();
442 }
443
444private:
445 void alloc ();
446};
447
360struct iow : watcher<pe_io>, callback<void (iow &, int)> 448struct iow : watcher<pe_io>, callback<void (iow &, int)>
361{ 449{
362 template<class O, class M> 450 template<class O, class M>
363 iow (O object, M method) 451 iow (O object, M method)
364 : callback<void (iow &, int)> (object, method) 452 : callback<void (iow &, int)> (object, method)
365 { 453 {
366 alloc (); 454 alloc ();
367 } 455 }
368 456
369 iow &fd (int fd); 457 void fd (int fd);
370 int poll (); 458 int poll ();
371 iow &poll (int events); 459 void poll (int events);
372 460
373private: 461private:
374 void alloc (); 462 void alloc ();
375}; 463};
376 464

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