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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.40 by root, Tue Dec 19 04:58:04 2006 UTC vs.
Revision 1.56 by root, Thu Feb 15 21:07:49 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
… …
28#undef strerror 34#undef strerror
29 35
30// same here, massive symbol spamming 36// same here, massive symbol spamming
31#undef do_open 37#undef do_open
32#undef do_close 38#undef do_close
39#undef ref
40#undef seed
33 41
34// perl bug #40256: perl does overwrite those with reentrant versions 42// perl bug #40256: perl does overwrite those with reentrant versions
35// but does not initialise their state structures. 43// but does not initialise their state structures.
36#undef random 44#undef random
37#undef crypt 45#undef crypt
38 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
39void cfperl_init (); 63void cfperl_init ();
40void cfperl_main (); 64void cfperl_main ();
65void cfperl_emergency_save ();
66void cfperl_cleanup (int make_core);
67
68//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
69
70// virtual server time, excluding time jumps and lag
71extern double runtime;
41 72
42enum event_klass 73enum event_klass
43{ 74{
44 KLASS_NONE, 75 KLASS_NONE,
45 KLASS_GLOBAL, 76 KLASS_GLOBAL,
77 KLASS_ATTACHABLE,
46 KLASS_CLIENT, 78 KLASS_CLIENT,
47 KLASS_PLAYER, 79 KLASS_PLAYER,
48 KLASS_OBJECT, 80 KLASS_OBJECT,
49 KLASS_MAP, 81 KLASS_MAP,
50 KLASS_COMMAND, 82 KLASS_COMMAND,
… …
56# include "eventinc.h" 88# include "eventinc.h"
57# undef def 89# undef def
58 NUM_EVENT_TYPES 90 NUM_EVENT_TYPES
59}; 91};
60 92
61#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 93#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
62#define ARG_INT(v) DT_INT , static_cast<int> (v) 94#define ARG_INT(v) DT_INT , static_cast<int> (v)
63#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 95#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
64#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 96#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
65#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 97#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
66#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 98#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
67#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 99#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
68#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 100#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
69#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 101#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
70#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 102#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
103#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
71#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 104#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
72#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 105#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
73#define ARG_CLIENT(o) DT_CLIENT, (void *)static_cast<client *> (o)
74 106
75// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 107// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
76 108
77// all these return true when the normal event processing should be skipped (if any) 109// all these return true when the normal event processing should be skipped (if any)
78#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
79
80#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
81#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 110#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
111#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
82#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 112#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
83#define INVOKE_CLIENT(event, ns, ...) INVOKE_(EVENT_ ## CLIENT ## _ ## event, ARG_CLIENT (ns), ## __VA_ARGS__) 113#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
84#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 114#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
85#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 115#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
86 116
87//TODO should index into @result 117//TODO should index into @result
88#define RESULT(idx,type) cfperl_result_ ## type (idx) 118#define RESULT(idx,type) cfperl_result_ ## type (idx)
89#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 119#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
90#define RESULT_INT(idx) RESULT(idx, INT) 120#define RESULT_INT(idx) RESULT(idx, INT)
91 121
92bool cfperl_invoke (event_type event, ...);
93double cfperl_result_DOUBLE (int idx); 122double cfperl_result_DOUBLE (int idx);
94int cfperl_result_INT (int idx); 123int cfperl_result_INT (int idx);
95 124
125//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
126
127INTERFACE_CLASS (attachable)
96struct attachable_base 128struct attachable
97{ 129{
130 static MGVTBL vtbl;
131
132 static unordered_vector<attachable *> mortals;
133 MTH static void check_mortals ();
134
135 enum {
136 F_DESTROYED = 0x01,
137 F_DEBUG_TRACE = 0x02,
138 };
139
140 // object is delete'd after the refcount reaches 0
141 mutable int ACC (RW, refcnt);
142 int ACC (RW, flags);
143
144 MTH void refcnt_inc () const { ++refcnt; }
145 MTH void refcnt_dec () const { --refcnt; }
146
147 MTH int refcnt_cnt () const;
148 // check wether the object has died and destroy
149 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
150
151 // destroy the object unless it was already destroyed
152 // this politely asks everybody interested the reduce
153 // the refcount to 0 as soon as possible.
154 MTH void destroy ();
155
156 // return wether an object was destroyed already
157 MTH bool destroyed () const { return flags & F_DESTROYED; }
158
159 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
160
161#if 0
162private:
163 static refcounted *rc_first;
164 refcounted *rc_next;
165#endif
166
98 SV *self; // CF+ perl self 167 HV *self; // CF+ perl self
99 AV *cb; // CF+ callbacks 168 AV *cb; // CF+ callbacks
100 shstr attach; // generic extension attachment information 169 shstr attach; // generic extension attachment information
101 170
102 void clear (); // called when free'ing objects 171 void sever_self (); // sever this object from its self, if it has one.
103 void optimise (); // possibly save some memory by destroying unneeded data 172 void optimise (); // possibly save some memory by destroying unneeded data
104 void instantiate (data_type type, void *obj);
105 173
106 void attachable_clear ()
107 {
108 self = 0;
109 cb = 0;
110 attach = 0;
111 }
112
113 attachable_base () 174 attachable ()
175 : flags (0), refcnt (0), self (0), cb (0), attach (0)
114 { 176 {
115 attachable_clear ();
116 } 177 }
117 178
118 ~attachable_base ()
119 {
120 clear ();
121 }
122
123 attachable_base (const attachable_base &src) 179 attachable (const attachable &src)
124 : self (0), cb (0), attach (src.attach) 180 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
125 { 181 {
126 } 182 }
127 183
184 virtual ~attachable ();
185
128 attachable_base &operator =(const attachable_base &src) 186 attachable &operator =(const attachable &src);
129 {
130 clear ();
131 attach = src.attach;
132 return *this;
133 }
134};
135 187
136// objects attachable from perl (or any other extension) should include or 188 bool invoke (event_type event, ...);
137// derive using the curiously recurring template pattern, to avoid
138// virtual method calls etc.
139template<class subclass>
140struct attachable : attachable_base
141{
142 void instantiate () 189 MTH void instantiate ();
143 { 190 void reattach ();
144 if (attach) 191
145 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 192protected:
146 } 193 // do the real refcount checking work
194 void do_check ();
195
196 // the method that does the real destroy work
197 virtual void do_destroy ();
147}; 198};
199
200// the global object is a pseudo object that cares for the global events
201struct global : attachable
202{
203 void gather_callbacks (AV *&callbacks, event_type event) const;
204};
205
206extern struct global gbl_ev;
207
208//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
148 209
149struct object_freezer : dynbuf 210struct object_freezer : dynbuf
150{ 211{
151 AV *av; 212 AV *av;
152 213
153 object_freezer (); 214 object_freezer ();
154 ~object_freezer (); 215 ~object_freezer ();
155 216
156 void put (attachable_base *ext); 217 void put (attachable *ext);
157
158 template<class subclass>
159 void put (attachable<subclass> *obj)
160 {
161 put ((attachable_base *)obj);
162 }
163 218
164 // used only for user-defined key-value pairs 219 // used only for user-defined key-value pairs
165 void put (const shstr &k, const shstr &v) 220 void put (const shstr &k, const shstr &v)
166 { 221 {
167 add (k); 222 add (k);
… …
198 } 253 }
199 254
200 *p = '\n'; 255 *p = '\n';
201 } 256 }
202 257
203 void put (keyword k, const char *v) 258 void put (keyword k, const char *v = 0)
204 { 259 {
205 put_string (k, v); 260 put_string (k, v);
206 } 261 }
207 262
208 void put (keyword k, const shstr &v) 263 void put (keyword k, const shstr &v)
… …
273 void put (keyword k, const refptr<T> &v) 328 void put (keyword k, const refptr<T> &v)
274 { 329 {
275 put (k, (T *)v); 330 put (k, (T *)v);
276 } 331 }
277 332
278 bool save (const char *filename); 333 bool save (const char *path);
279 char *as_string (); // like strdup 334 char *as_string (); // like strdup
280 335
281 operator bool () { return !!av; } 336 operator bool () { return !!av; }
282}; 337};
283 338
… …
287 342
288struct object_thawer 343struct object_thawer
289{ 344{
290 SV *text; // text part 345 SV *text; // text part
291 AV *av; // perl part 346 AV *av; // perl part
347 int linenum;
292 char *line; // current beginning of line 348 char *line; // current beginning of line
349 keyword kw;
293 char *last_value; 350 char *kw_str, *value;
351 const char *name;
294 352
295 operator bool () { return !!text; } 353 operator bool () { return !!text; }
296 354
297 object_thawer (const char *filename = 0); 355 object_thawer (const char *path = 0);
298 object_thawer (const char *data, AV *perlav); 356 object_thawer (const char *data, AV *perlav);
299 ~object_thawer (); 357 ~object_thawer ();
300 358
301 void get (data_type type, void *obj, attachable_base *ext, int oid);
302
303 template<class subclass>
304 void get (attachable<subclass> *obj, int oid) 359 void get (attachable *obj, int oid);
305 {
306 if (av)
307 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
308 }
309 360
310 keyword get_kv (); // also parse value for later use 361 // parse next line
362 void next_kv ();
363 //TODO: remove
364 keyword get_kv ()
365 {
366 next_kv ();
367 return kw;
368 }
311 369
370 // skip the current key-value (usually fetch next line, for
371 // multiline-fields, skips untilt he corresponding end-kw
372 void skip_kv ();
373
312 const char *get_str () { return last_value; } // may be 0 374 const char *get_str () { return value; } // may be 0
313 375
314 void get (shstr &sh) const; 376 void get (shstr &sh) const;
315 void get_ornull (shstr &sh) const { sh = last_value; } 377 void get_ornull (shstr &sh) const { sh = value; }
316 void get_ml (keyword kend, shstr &sh); 378 void get_ml (keyword kend, shstr &sh);
317 379
318 sint32 get_sint32 () const; 380 sint32 get_sint32 () const;
319 sint64 get_sint64 () const; 381 sint64 get_sint64 () const;
320 double get_double () const; 382 double get_double () const;
321 383
322 void get (float &v) { v = get_double (); } 384 void get (float &v) { v = get_double (); }
323 void get (double &v) { v = get_double (); } 385 void get (double &v) { v = get_double (); }
324 386
387 void get (bool &i) { i = get_sint32 (); }
325 void get (sint8 &i) { i = get_sint32 (); } 388 void get (sint8 &i) { i = get_sint32 (); }
326 void get (uint8 &i) { i = get_sint32 (); } 389 void get (uint8 &i) { i = get_sint32 (); }
327 void get (sint16 &i) { i = get_sint32 (); } 390 void get (sint16 &i) { i = get_sint32 (); }
328 void get (uint16 &i) { i = get_sint32 (); } 391 void get (uint16 &i) { i = get_sint32 (); }
329 void get (sint32 &i) { i = get_sint32 (); } 392 void get (sint32 &i) { i = get_sint32 (); }
330 393
331 void get (uint32 &i) { i = get_sint64 (); } 394 void get (uint32 &i) { i = get_sint64 (); }
332 void get (sint64 &i) { i = get_sint64 (); } 395 void get (sint64 &i) { i = get_sint64 (); }
333};
334 396
397 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
398};
399
400//TODO: remove
335char *fgets (char *s, int n, object_thawer &thawer); 401char *fgets (char *s, int n, object_thawer &thawer);
402
403//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
404
405struct coroapi {
406 static struct CoroAPI *GCoroAPI;
407
408 static int nready () { return CORO_NREADY; }
409 static int cede () { return CORO_CEDE ; }
410
411 static int cede_counter;
412
413 static void cede_every (int count)
414 {
415 if (++cede_counter >= count)
416 {
417 cede_counter = 0;
418
419 if (coroapi::nready ())
420 coroapi::cede ();
421 }
422 }
423};
336 424
337struct watcher_base 425struct watcher_base
338{ 426{
339 static struct EventAPI *GEventAPI; 427 static struct EventAPI *GEventAPI;
340}; 428};

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