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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.20 by root, Thu Aug 31 18:59:24 2006 UTC vs.
Revision 1.41 by root, Mon Dec 25 11:25:49 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
17#include "callback.h"
14 18
15// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
16#undef localtime 20#undef localtime
17#undef srand48 21#undef srand48
18#undef drand48 22#undef drand48
… …
21#undef getprotobyname 25#undef getprotobyname
22#undef gethostbyname 26#undef gethostbyname
23#undef ctime 27#undef ctime
24#undef strerror 28#undef strerror
25 29
30// same here, massive symbol spamming
31#undef do_open
32#undef do_close
33
26// perl bug #40256: perl does overwrite those with reentrant versions 34// perl bug #40256: perl does overwrite those with reentrant versions
27// but does not initialise their state structures. 35// but does not initialise their state structures.
28#undef random 36#undef random
29#undef crypt 37#undef crypt
30 38
31void cfperl_init (); 39void cfperl_init ();
32void cfperl_boot ();
33void cfperl_main (); 40void cfperl_main ();
34 41
35enum event_klass 42enum event_klass
36{ 43{
37 KLASS_NONE, 44 KLASS_NONE,
38 KLASS_GLOBAL, 45 KLASS_GLOBAL,
46 KLASS_ATTACHABLE,
47 KLASS_CLIENT,
39 KLASS_PLAYER, 48 KLASS_PLAYER,
40 KLASS_OBJECT, 49 KLASS_OBJECT,
41 KLASS_MAP, 50 KLASS_MAP,
51 KLASS_COMMAND,
42}; 52};
43 53
44enum event_type 54enum event_type
45{ 55{
46# define def(klass,name) EVENT_ ## klass ## _ ## name, 56# define def(klass,name) EVENT_ ## klass ## _ ## name,
47# include "eventinc.h" 57# include "eventinc.h"
48# undef def 58# undef def
49 NUM_EVENT_TYPES 59 NUM_EVENT_TYPES
50}; 60};
51 61
52#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 62#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
53#define ARG_INT(v) DT_INT , static_cast<int> (v) 63#define ARG_INT(v) DT_INT , static_cast<int> (v)
54#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 64#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
55#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 65#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
56#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 66#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
57#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) 67#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
58#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) 68#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
59#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) 69#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
60#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) 70#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
61#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) 71#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
72#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
62#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) 73#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
63#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 74#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
64 75
65// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 76// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
66 77
67// all these return true when the normal event processing should be skipped (if any) 78// 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__) 79#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
72#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 80#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
73#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 81#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
74#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 82#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
83#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
84#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
75 85
76//TODO should index into @result 86//TODO should index into @result
77#define RESULT(idx,type) cfperl_result_ ## type (idx) 87#define RESULT(idx,type) cfperl_result_ ## type (idx)
88#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
78#define RESULT_INT(idx) RESULT(idx, INT) 89#define RESULT_INT(idx) RESULT(idx, INT)
79 90
80bool cfperl_invoke (event_type event, ...); 91double cfperl_result_DOUBLE (int idx);
81int cfperl_result_INT (int idx); 92int cfperl_result_INT (int idx);
82 93
83struct attachable_base 94struct attachable
84{ 95{
85 SV *self; 96 static unordered_vector<attachable *> mortals;
97 static void check_mortals ();
98
99 enum {
100 F_DESTROYED = 0x01,
101 F_BORROWED = 0x02,
102 };
103
104 // object is delete'd after the refcount reaches 0
105 mutable int refcnt;
106 int flags;
107
108 void refcnt_inc () const { ++refcnt; }
109 void refcnt_dec () const { --refcnt; }
110
111 // check wether the object has died and destroy
112 void refcnt_chk () { if (refcnt <= 0) do_check (); }
113
114 // destroy the object unless it was already destroyed
115 // this politely asks everybody interested the reduce
116 // the refcount to 0 as soon as possible.
117 void destroy ();
118
119 // return wether an object was destroyed already
120 bool destroyed () const { return flags & F_DESTROYED; }
121
122 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
123
124#if 0
125private:
126 static refcounted *rc_first;
127 refcounted *rc_next;
128#endif
129
130 HV *self; // CF+ perl self
86 AV *cb; // CF+ perl self and callback 131 AV *cb; // CF+ callbacks
87 const char *attach; // generic extension attachment information 132 shstr attach; // generic extension attachment information
88 133
89 void clear (); // called when free'ing objects
90 void optimise (); // possibly save some memory by destroying unneeded data 134 void optimise (); // possibly save some memory by destroying unneeded data
91 void instantiate (data_type type, void *obj);
92 135
93 void attachable_init () 136 attachable ()
137 : flags (0), refcnt (0), self (0), cb (0), attach (0)
94 { 138 {
95 self = 0;
96 cb = 0;
97 attach = 0;
98 } 139 }
99};
100 140
101// objects attachable from perl (or any other extension) should include or 141 attachable (const attachable &src)
102// derive using the curiously recurring template pattern, to avoid 142 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
103// virtual method calls etc. 143 {
104template<class subclass> 144 }
105struct attachable : attachable_base 145
106{ 146 virtual ~attachable ();
147
148 attachable &operator =(const attachable &src);
149
150 bool invoke (event_type event, ...);
107 void instantiate () 151 void instantiate ();
108 { 152 void reattach ();
109 if (attach) 153
110 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 154protected:
111 } 155 // do the real refcount checking work
156 void do_check ();
157
158 // the method that does the real destroy work
159 virtual void do_destroy ();
112}; 160};
161
162// the global object is a pseudo object that cares for the global events
163struct global : attachable
164{
165 void gather_callbacks (AV *&callbacks, event_type event) const;
166};
167
168extern struct global gbl_ev;
113 169
114struct object_freezer : dynbuf 170struct object_freezer : dynbuf
115{ 171{
116 AV *av; 172 AV *av;
117 173
118 object_freezer (); 174 object_freezer ();
119 ~object_freezer (); 175 ~object_freezer ();
120 176
121 void put (attachable_base *ext); 177 void put (attachable *ext);
122 178
123 template<class subclass> 179 // used only for user-defined key-value pairs
124 void put (attachable<subclass> *obj)
125 {
126 put ((attachable_base *)obj);
127 }
128
129 //TODO//temporary
130 void put (const char *k, const char *v) 180 void put (const shstr &k, const shstr &v)
131 { 181 {
132 add (k); 182 add (k);
133 183
134 //if (v)
135 add (' '); //TODO//cf compatibility always add space
136 if (v) 184 if (v)
137 add (v); 185 add (' '), add (v);
138 186
139 add ('\n'); 187 add ('\n');
140 } 188 }
141 189
142 //TODO//temporary 190 //TODO//temporary, used only for saving body locations
143 void put (const char *k, int v) 191 void put (const char *k, int v)
144 { 192 {
145 add (k); 193 add (k);
146 add (' '); 194 add (' ');
147 add (sint32 (v)); 195 add (sint32 (v));
148 add ('\n'); 196 add ('\n');
149 } 197 }
150 198
199 template<typename T>
200 void put_string (keyword k, const T &v)
201 {
202 int klen = keyword_len [k];
203 int vlen = v ? strlen (v) + 1 : 0;
204
205 char *p = (char *)alloc (klen + vlen + 1);
206
207 memcpy (p, keyword_str [k], klen); p += klen;
208
209 if (v)
210 {
211 *p++ = ' '; vlen--;
212 memcpy (p, v, vlen); p += vlen;
213 }
214
215 *p = '\n';
216 }
217
151 void put (keyword k, const char *v) 218 void put (keyword k, const char *v)
152 { 219 {
153 int klen = keyword_len [k]; 220 put_string (k, v);
154 int vlen = v ? strlen (v) : 0; 221 }
155 222
156 char *p = (char *)alloc (klen + 1 + vlen + 1); 223 void put (keyword k, const shstr &v)
157 224 {
158 memcpy (p, keyword_str [k], klen); p += klen; 225 put_string (k, v);
159 *p++ = ' '; //TODO//cf compatibility always add space
160 memcpy (p, v, vlen); p += vlen;
161 *p = '\n';
162 } 226 }
163 227
164 void put (keyword k, double v) 228 void put (keyword k, double v)
165 { 229 {
166 char buf [128]; 230 char buf [128];
… …
184 add (' '); 248 add (' ');
185 add (v); 249 add (v);
186 add ('\n'); 250 add ('\n');
187 } 251 }
188 252
189 void put (keyword kbeg, keyword kend, const char *v) 253 void put (keyword kbeg, keyword kend, const shstr &v)
190 { 254 {
191 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 255 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
192 256
193 if (v) 257 if (v)
194 { 258 {
… …
210 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 274 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
211 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 275 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
212 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 276 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
213 277
214 template<typename T> 278 template<typename T>
215 void put (keyword k, T *v) 279 void put (keyword k, const T *v)
216 { 280 {
281 if (v)
282 put (k, v->name);
283 else
217 put (k, v ? (const char *)v->name : 0); 284 put (k, (const char *)0);
285 }
286
287 template<typename T>
288 void put (keyword k, const refptr<T> &v)
289 {
290 put (k, (T *)v);
218 } 291 }
219 292
220 bool save (const char *filename); 293 bool save (const char *filename);
294 char *as_string (); // like strdup
221 295
222 operator bool () { return !!av; } 296 operator bool () { return !!av; }
223}; 297};
224 298
225// compatibility support, should be removed when no longer needed 299// compatibility support, should be removed when no longer needed
226int fprintf (object_freezer &freezer, const char *format, ...); 300int fprintf (object_freezer &freezer, const char *format, ...);
227int fputs (const char *s, object_freezer &freezer); 301int fputs (const char *s, object_freezer &freezer);
228 302
229// a single key-value line from a file
230struct token {
231 keyword k;
232 const char *v;
233
234 token (keyword k, const char *v = 0) : k(k), v(v) { }
235};
236
237struct object_thawer 303struct object_thawer
238{ 304{
239 AV *av; 305 SV *text; // text part
240 FILE *fp; 306 AV *av; // perl part
241 char line[1024]; 307 char *line; // current beginning of line
308 char *last_value;
309
310 operator bool () { return !!text; }
242 311
243 object_thawer (const char *filename = 0); 312 object_thawer (const char *filename = 0);
313 object_thawer (const char *data, AV *perlav);
244 ~object_thawer (); 314 ~object_thawer ();
245 315
246 void get (data_type type, void *obj, attachable_base *ext, int oid);
247
248 template<class subclass>
249 void get (attachable<subclass> *obj, int oid) 316 void get (attachable *obj, int oid);
250 {
251 if (av)
252 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
253 }
254 317
255 token get_token (); 318 keyword get_kv (); // also parse value for later use
256 319
257 operator FILE *() { return fp; } 320 const char *get_str () { return last_value; } // may be 0
321
322 void get (shstr &sh) const;
323 void get_ornull (shstr &sh) const { sh = last_value; }
324 void get_ml (keyword kend, shstr &sh);
325
326 sint32 get_sint32 () const;
327 sint64 get_sint64 () const;
328 double get_double () const;
329
330 void get (float &v) { v = get_double (); }
331 void get (double &v) { v = get_double (); }
332
333 void get (sint8 &i) { i = get_sint32 (); }
334 void get (uint8 &i) { i = get_sint32 (); }
335 void get (sint16 &i) { i = get_sint32 (); }
336 void get (uint16 &i) { i = get_sint32 (); }
337 void get (sint32 &i) { i = get_sint32 (); }
338
339 void get (uint32 &i) { i = get_sint64 (); }
340 void get (sint64 &i) { i = get_sint64 (); }
341};
342
343char *fgets (char *s, int n, object_thawer &thawer);
344
345struct watcher_base
346{
347 static struct EventAPI *GEventAPI;
348};
349
350template<class base>
351struct watcher : watcher_base
352{
353 base *pe;
354
355 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
356 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
357 void now () { GEventAPI->now ((pe_watcher *)pe); }
358 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
359 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
360
361 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
362
363 ~watcher ()
364 {
365 cancel ();
366 }
367
368private:
369 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
370};
371
372struct iw : watcher<pe_idle>, callback<void (iw &)>
373{
374 template<class O, class M>
375 iw (O object, M method)
376 : callback<void (iw &)> (object, method)
377 {
378 alloc ();
379 }
380
381private:
382 void alloc ();
383};
384
385struct iow : watcher<pe_io>, callback<void (iow &, int)>
386{
387 template<class O, class M>
388 iow (O object, M method)
389 : callback<void (iow &, int)> (object, method)
390 {
391 alloc ();
392 }
393
394 void fd (int fd);
395 int poll ();
396 void poll (int events);
397
398private:
399 void alloc ();
258}; 400};
259 401
260#endif 402#endif
261 403

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