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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.24 by root, Sat Sep 9 21:48:28 2006 UTC vs.
Revision 1.42 by root, Sat Dec 30 10:16:10 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// FUNCTION is, afaik, a gnu extension
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,
76 KLASS_CLIENT,
38 KLASS_PLAYER, 77 KLASS_PLAYER,
39 KLASS_OBJECT, 78 KLASS_OBJECT,
40 KLASS_MAP, 79 KLASS_MAP,
80 KLASS_COMMAND,
41}; 81};
42 82
43enum event_type 83enum event_type
44{ 84{
45# define def(klass,name) EVENT_ ## klass ## _ ## name, 85# define def(klass,name) EVENT_ ## klass ## _ ## name,
46# include "eventinc.h" 86# include "eventinc.h"
47# undef def 87# undef def
48 NUM_EVENT_TYPES 88 NUM_EVENT_TYPES
49}; 89};
50 90
51#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 91#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
52#define ARG_INT(v) DT_INT , static_cast<int> (v) 92#define ARG_INT(v) DT_INT , static_cast<int> (v)
53#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 93#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
54#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 94#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
55#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 95#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
56#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) 96#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
57#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) 97#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
58#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) 98#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
59#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) 99#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
60#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct 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))
61#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) 102#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
62#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 103#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
63 104
64// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 105// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
65 106
66// 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)
67#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
68
69#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
70#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)
71#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 109#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
72#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 110#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
73#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 111#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
112#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
113#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
74 114
75//TODO should index into @result 115//TODO should index into @result
76#define RESULT(idx,type) cfperl_result_ ## type (idx) 116#define RESULT(idx,type) cfperl_result_ ## type (idx)
117#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
77#define RESULT_INT(idx) RESULT(idx, INT) 118#define RESULT_INT(idx) RESULT(idx, INT)
78 119
79bool cfperl_invoke (event_type event, ...); 120double cfperl_result_DOUBLE (int idx);
80int cfperl_result_INT (int idx); 121int cfperl_result_INT (int idx);
81 122
123//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124
82struct attachable_base 125struct attachable
83{ 126{
84 SV *self; 127 static MGVTBL vtbl;
128
129 static unordered_vector<attachable *> mortals;
130 static void check_mortals ();
131
132 enum {
133 F_DESTROYED = 0x01,
134 F_BORROWED = 0x02,
135 };
136
137 // object is delete'd after the refcount reaches 0
138 mutable int refcnt;
139 int flags;
140
141 void refcnt_inc () const { ++refcnt; }
142 void refcnt_dec () const { --refcnt; }
143
144 // check wether the object has died and destroy
145 void refcnt_chk () { if (refcnt <= 0) do_check (); }
146
147 // destroy the object unless it was already destroyed
148 // this politely asks everybody interested the reduce
149 // the refcount to 0 as soon as possible.
150 void destroy ();
151
152 // return wether an object was destroyed already
153 bool destroyed () const { return flags & F_DESTROYED; }
154
155 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
156
157#if 0
158private:
159 static refcounted *rc_first;
160 refcounted *rc_next;
161#endif
162
163 HV *self; // CF+ perl self
85 AV *cb; // CF+ perl self and callback 164 AV *cb; // CF+ callbacks
86 shstr attach; // generic extension attachment information 165 shstr attach; // generic extension attachment information
87 166
88 void clear (); // called when free'ing objects
89 void optimise (); // possibly save some memory by destroying unneeded data 167 void optimise (); // possibly save some memory by destroying unneeded data
90 void instantiate (data_type type, void *obj);
91 168
92 void attachable_clear ()
93 {
94 self = 0;
95 cb = 0;
96 attach = 0;
97 }
98
99 attachable_base () 169 attachable ()
170 : flags (0), refcnt (0), self (0), cb (0), attach (0)
100 { 171 {
101 attachable_clear ();
102 } 172 }
103 173
104 ~attachable_base ()
105 {
106 clear ();
107 }
108
109 attachable_base (const attachable_base &src) 174 attachable (const attachable &src)
110 : self (0), cb (0), attach (src.attach) 175 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
111 { 176 {
112 } 177 }
113};
114 178
115// objects attachable from perl (or any other extension) should include or 179 virtual ~attachable ();
116// derive using the curiously recurring template pattern, to avoid 180
117// virtual method calls etc. 181 attachable &operator =(const attachable &src);
118template<class subclass> 182
119struct attachable : attachable_base 183 bool invoke (event_type event, ...);
120{
121 void instantiate () 184 void instantiate ();
122 { 185 void reattach ();
123 if (attach) 186
124 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 187protected:
125 } 188 // do the real refcount checking work
189 void do_check ();
190
191 // the method that does the real destroy work
192 virtual void do_destroy ();
126}; 193};
194
195// the global object is a pseudo object that cares for the global events
196struct global : attachable
197{
198 void gather_callbacks (AV *&callbacks, event_type event) const;
199};
200
201extern struct global gbl_ev;
202
203//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
127 204
128struct object_freezer : dynbuf 205struct object_freezer : dynbuf
129{ 206{
130 AV *av; 207 AV *av;
131 208
132 object_freezer (); 209 object_freezer ();
133 ~object_freezer (); 210 ~object_freezer ();
134 211
135 void put (attachable_base *ext); 212 void put (attachable *ext);
136 213
137 template<class subclass> 214 // used only for user-defined key-value pairs
138 void put (attachable<subclass> *obj)
139 {
140 put ((attachable_base *)obj);
141 }
142
143 //TODO//temporary
144 void put (const char *k, const char *v) 215 void put (const shstr &k, const shstr &v)
145 { 216 {
146 add (k); 217 add (k);
147 218
148 if (v) 219 if (v)
149 add (' '), add (v); 220 add (' '), add (v);
150 221
151 add ('\n'); 222 add ('\n');
152 } 223 }
153 224
154 //TODO//temporary 225 //TODO//temporary, used only for saving body locations
155 void put (const char *k, int v) 226 void put (const char *k, int v)
156 { 227 {
157 add (k); 228 add (k);
158 add (' '); 229 add (' ');
159 add (sint32 (v)); 230 add (sint32 (v));
160 add ('\n'); 231 add ('\n');
161 } 232 }
162 233
163#if 1 234 template<typename T>
164 void put (keyword k, const char *v) 235 void put_string (keyword k, const T &v)
165 { 236 {
166 int klen = keyword_len [k]; 237 int klen = keyword_len [k];
167 int vlen = v ? strlen (v) + 1 : 0; 238 int vlen = v ? strlen (v) + 1 : 0;
168 239
169 char *p = (char *)alloc (klen + vlen + 1); 240 char *p = (char *)alloc (klen + vlen + 1);
170 241
171 memcpy (p, keyword_str [k], klen); p += klen; 242 memcpy (p, keyword_str [k], klen); p += klen;
172 243
173 if (v) 244 if (v)
174 { 245 {
175 *p++ = ' '; vlen--; //TODO//cf compatibility always add space 246 *p++ = ' '; vlen--;
176 memcpy (p, v, vlen); p += vlen; 247 memcpy (p, v, vlen); p += vlen;
177 } 248 }
178 249
179 *p = '\n'; 250 *p = '\n';
180 } 251 }
181#endif
182 252
183#if 0 253 void put (keyword k, const char *v)
254 {
255 put_string (k, v);
256 }
257
184 void put (keyword k, const shstr &v) 258 void put (keyword k, const shstr &v)
185 { 259 {
186 int klen = keyword_len [k]; 260 put_string (k, v);
187 int vlen = v ? v.length () + 1 : 0;
188
189 char *p = (char *)alloc (klen + vlen + 1);
190
191 memcpy (p, keyword_str [k], klen); p += klen;
192
193 if (v)
194 {
195 *p++ = ' '; vlen--; //TODO//cf compatibility always add space
196 memcpy (p, v, vlen); p += vlen;
197 }
198
199 *p = '\n';
200 } 261 }
201#endif
202 262
203 void put (keyword k, double v) 263 void put (keyword k, double v)
204 { 264 {
205 char buf [128]; 265 char buf [128];
206 266
249 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 309 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
250 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 310 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
251 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 311 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
252 312
253 template<typename T> 313 template<typename T>
254 void put (keyword k, T *v) 314 void put (keyword k, const T *v)
255 { 315 {
256 if (v) 316 if (v)
257 put (k, v->name); 317 put (k, v->name);
258 else 318 else
259 put (k, (const char *)0); 319 put (k, (const char *)0);
260 } 320 }
261 321
322 template<typename T>
323 void put (keyword k, const refptr<T> &v)
324 {
325 put (k, (T *)v);
326 }
327
262 bool save (const char *filename); 328 bool save (const char *filename);
329 char *as_string (); // like strdup
263 330
264 operator bool () { return !!av; } 331 operator bool () { return !!av; }
265}; 332};
266 333
267// compatibility support, should be removed when no longer needed 334// compatibility support, should be removed when no longer needed
271struct object_thawer 338struct object_thawer
272{ 339{
273 SV *text; // text part 340 SV *text; // text part
274 AV *av; // perl part 341 AV *av; // perl part
275 char *line; // current beginning of line 342 char *line; // current beginning of line
276 char *last_value; 343 char *last_keyword, *last_value;
277 344
278 operator bool () { return !!text; } 345 operator bool () { return !!text; }
279 346
280 object_thawer (const char *filename = 0); 347 object_thawer (const char *filename = 0);
348 object_thawer (const char *data, AV *perlav);
281 ~object_thawer (); 349 ~object_thawer ();
282 350
283 void get (data_type type, void *obj, attachable_base *ext, int oid);
284
285 template<class subclass>
286 void get (attachable<subclass> *obj, int oid) 351 void get (attachable *obj, int oid);
287 {
288 if (av)
289 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
290 }
291 352
292 keyword get_kv (); // also parse value for later use 353 keyword get_kv (); // also parse value for later use
354 void skip_kv (keyword kw);
293 355
294 const char *get_str () { return last_value; } // may be 0 356 const char *get_str () { return last_value; } // may be 0
295 357
296 void get (shstr &sh) const; 358 void get (shstr &sh) const;
297 void get_ornull (shstr &sh) const { sh = last_value; } 359 void get_ornull (shstr &sh) const { sh = last_value; }
299 361
300 sint32 get_sint32 () const; 362 sint32 get_sint32 () const;
301 sint64 get_sint64 () const; 363 sint64 get_sint64 () const;
302 double get_double () const; 364 double get_double () const;
303 365
304 void get (float &v) { v = get_double (); } 366 void get (float &v) { v = get_double (); }
305 void get (double &v) { v = get_double (); } 367 void get (double &v) { v = get_double (); }
306 368
369 void get (bool &i) { i = get_sint32 (); }
307 void get (sint8 &i) { i = get_sint32 (); } 370 void get (sint8 &i) { i = get_sint32 (); }
308 void get (uint8 &i) { i = get_sint32 (); } 371 void get (uint8 &i) { i = get_sint32 (); }
309 void get (sint16 &i) { i = get_sint32 (); } 372 void get (sint16 &i) { i = get_sint32 (); }
310 void get (uint16 &i) { i = get_sint32 (); } 373 void get (uint16 &i) { i = get_sint32 (); }
311 void get (sint32 &i) { i = get_sint32 (); } 374 void get (sint32 &i) { i = get_sint32 (); }
314 void get (sint64 &i) { i = get_sint64 (); } 377 void get (sint64 &i) { i = get_sint64 (); }
315}; 378};
316 379
317char *fgets (char *s, int n, object_thawer &thawer); 380char *fgets (char *s, int n, object_thawer &thawer);
318 381
382//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
383
384struct coroapi {
385 static struct CoroAPI *GCoroAPI;
386
387 static int nready () { return CORO_NREADY; }
388 static int cede () { return CORO_CEDE ; }
389};
390
391struct watcher_base
392{
393 static struct EventAPI *GEventAPI;
394};
395
396template<class base>
397struct watcher : watcher_base
398{
399 base *pe;
400
401 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
402 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
403 void now () { GEventAPI->now ((pe_watcher *)pe); }
404 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
405 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
406
407 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
408
409 ~watcher ()
410 {
411 cancel ();
412 }
413
414private:
415 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
416};
417
418struct iw : watcher<pe_idle>, callback<void (iw &)>
419{
420 template<class O, class M>
421 iw (O object, M method)
422 : callback<void (iw &)> (object, method)
423 {
424 alloc ();
425 }
426
427private:
428 void alloc ();
429};
430
431struct iow : watcher<pe_io>, callback<void (iow &, int)>
432{
433 template<class O, class M>
434 iow (O object, M method)
435 : callback<void (iow &, int)> (object, method)
436 {
437 alloc ();
438 }
439
440 void fd (int fd);
441 int poll ();
442 void poll (int events);
443
444private:
445 void alloc ();
446};
447
319#endif 448#endif
320 449

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