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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.21 by root, Sun Sep 3 22:45:56 2006 UTC vs.
Revision 1.46 by root, Mon Jan 1 00:41:03 2007 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#undef seed
41
26// perl bug #40256: perl does overwrite those with reentrant versions 42// perl bug #40256: perl does overwrite those with reentrant versions
27// but does not initialise their state structures. 43// but does not initialise their state structures.
28#undef random 44#undef random
29#undef crypt 45#undef crypt
30 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
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_init () 169 attachable ()
170 : flags (0), refcnt (0), self (0), cb (0), attach (0)
93 { 171 {
94 self = 0;
95 cb = 0;
96 attach = 0;
97 } 172 }
98};
99 173
100// objects attachable from perl (or any other extension) should include or 174 attachable (const attachable &src)
101// derive using the curiously recurring template pattern, to avoid 175 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
102// virtual method calls etc. 176 {
103template<class subclass> 177 }
104struct attachable : attachable_base 178
105{ 179 virtual ~attachable ();
180
181 attachable &operator =(const attachable &src);
182
183 bool invoke (event_type event, ...);
106 void instantiate () 184 void instantiate ();
107 { 185 void reattach ();
108 if (attach) 186
109 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 187protected:
110 } 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 ();
111}; 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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
112 204
113struct object_freezer : dynbuf 205struct object_freezer : dynbuf
114{ 206{
115 AV *av; 207 AV *av;
116 208
117 object_freezer (); 209 object_freezer ();
118 ~object_freezer (); 210 ~object_freezer ();
119 211
120 void put (attachable_base *ext); 212 void put (attachable *ext);
121 213
122 template<class subclass> 214 // used only for user-defined key-value pairs
123 void put (attachable<subclass> *obj)
124 {
125 put ((attachable_base *)obj);
126 }
127
128 //TODO//temporary
129 void put (const char *k, const char *v) 215 void put (const shstr &k, const shstr &v)
130 { 216 {
131 add (k); 217 add (k);
132 218
133 //if (v)
134 add (' '); //TODO//cf compatibility always add space
135 if (v) 219 if (v)
136 add (v); 220 add (' '), add (v);
137 221
138 add ('\n'); 222 add ('\n');
139 } 223 }
140 224
141 //TODO//temporary 225 //TODO//temporary, used only for saving body locations
142 void put (const char *k, int v) 226 void put (const char *k, int v)
143 { 227 {
144 add (k); 228 add (k);
145 add (' '); 229 add (' ');
146 add (sint32 (v)); 230 add (sint32 (v));
147 add ('\n'); 231 add ('\n');
148 } 232 }
149 233
234 template<typename T>
150 void put (keyword k, const char *v) 235 void put_string (keyword k, const T &v)
151 { 236 {
152 int klen = keyword_len [k]; 237 int klen = keyword_len [k];
153 int vlen = v ? strlen (v) : 0; 238 int vlen = v ? strlen (v) + 1 : 0;
154 239
155 char *p = (char *)alloc (klen + 1 + vlen + 1); 240 char *p = (char *)alloc (klen + vlen + 1);
156 241
157 memcpy (p, keyword_str [k], klen); p += klen; 242 memcpy (p, keyword_str [k], klen); p += klen;
158 *p++ = ' '; //TODO//cf compatibility always add space 243
244 if (v)
245 {
246 *p++ = ' '; vlen--;
159 memcpy (p, v, vlen); p += vlen; 247 memcpy (p, v, vlen); p += vlen;
248 }
249
160 *p = '\n'; 250 *p = '\n';
251 }
252
253 void put (keyword k, const char *v = 0)
254 {
255 put_string (k, v);
256 }
257
258 void put (keyword k, const shstr &v)
259 {
260 put_string (k, v);
161 } 261 }
162 262
163 void put (keyword k, double v) 263 void put (keyword k, double v)
164 { 264 {
165 char buf [128]; 265 char buf [128];
183 add (' '); 283 add (' ');
184 add (v); 284 add (v);
185 add ('\n'); 285 add ('\n');
186 } 286 }
187 287
188 void put (keyword kbeg, keyword kend, const char *v) 288 void put (keyword kbeg, keyword kend, const shstr &v)
189 { 289 {
190 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 290 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
191 291
192 if (v) 292 if (v)
193 { 293 {
209 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 309 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
210 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); }
211 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); }
212 312
213 template<typename T> 313 template<typename T>
214 void put (keyword k, T *v) 314 void put (keyword k, const T *v)
215 { 315 {
316 if (v)
317 put (k, v->name);
318 else
216 put (k, v ? (const char *)v->name : 0); 319 put (k, (const char *)0);
320 }
321
322 template<typename T>
323 void put (keyword k, const refptr<T> &v)
324 {
325 put (k, (T *)v);
217 } 326 }
218 327
219 bool save (const char *filename); 328 bool save (const char *filename);
329 char *as_string (); // like strdup
220 330
221 operator bool () { return !!av; } 331 operator bool () { return !!av; }
222}; 332};
223 333
224// compatibility support, should be removed when no longer needed 334// compatibility support, should be removed when no longer needed
228struct object_thawer 338struct object_thawer
229{ 339{
230 SV *text; // text part 340 SV *text; // text part
231 AV *av; // perl part 341 AV *av; // perl part
232 char *line; // current beginning of line 342 char *line; // current beginning of line
233 char *last_value; 343 char *last_keyword, *last_value;
234 344
235 operator bool () { return !!text; } 345 operator bool () { return !!text; }
236 346
237 object_thawer (const char *filename = 0); 347 object_thawer (const char *filename = 0);
348 object_thawer (const char *data, AV *perlav);
238 ~object_thawer (); 349 ~object_thawer ();
239 350
240 void get (data_type type, void *obj, attachable_base *ext, int oid);
241
242 template<class subclass>
243 void get (attachable<subclass> *obj, int oid) 351 void get (attachable *obj, int oid);
244 {
245 if (av)
246 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
247 }
248 352
249 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);
250 355
251 const char *get_str () { return last_value; } // may be 0 356 const char *get_str () { return last_value; } // may be 0
252 357
253 void get (shstr &sh) const; 358 void get (shstr &sh) const;
254 void get_ornull (shstr &sh) const { sh = last_value; } 359 void get_ornull (shstr &sh) const { sh = last_value; }
256 361
257 sint32 get_sint32 () const; 362 sint32 get_sint32 () const;
258 sint64 get_sint64 () const; 363 sint64 get_sint64 () const;
259 double get_double () const; 364 double get_double () const;
260 365
261 void get (float &v) { v = get_double (); } 366 void get (float &v) { v = get_double (); }
262 void get (double &v) { v = get_double (); } 367 void get (double &v) { v = get_double (); }
263 368
369 void get (bool &i) { i = get_sint32 (); }
264 void get (sint8 &i) { i = get_sint32 (); } 370 void get (sint8 &i) { i = get_sint32 (); }
265 void get (uint8 &i) { i = get_sint32 (); } 371 void get (uint8 &i) { i = get_sint32 (); }
266 void get (sint16 &i) { i = get_sint32 (); } 372 void get (sint16 &i) { i = get_sint32 (); }
267 void get (uint16 &i) { i = get_sint32 (); } 373 void get (uint16 &i) { i = get_sint32 (); }
268 void get (sint32 &i) { i = get_sint32 (); } 374 void get (sint32 &i) { i = get_sint32 (); }
271 void get (sint64 &i) { i = get_sint64 (); } 377 void get (sint64 &i) { i = get_sint64 (); }
272}; 378};
273 379
274char *fgets (char *s, int n, object_thawer &thawer); 380char *fgets (char *s, int n, object_thawer &thawer);
275 381
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 static int cede_counter;
391
392 static void cede_every (int count)
393 {
394 if (++cede_counter >= count)
395 {
396 cede_counter = 0;
397
398 if (coroapi::nready ())
399 coroapi::cede ();
400 }
401 }
402};
403
404struct watcher_base
405{
406 static struct EventAPI *GEventAPI;
407};
408
409template<class base>
410struct watcher : watcher_base
411{
412 base *pe;
413
414 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
415 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
416 void now () { GEventAPI->now ((pe_watcher *)pe); }
417 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
418 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
419
420 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
421
422 ~watcher ()
423 {
424 cancel ();
425 }
426
427private:
428 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
429};
430
431struct iw : watcher<pe_idle>, callback<void (iw &)>
432{
433 template<class O, class M>
434 iw (O object, M method)
435 : callback<void (iw &)> (object, method)
436 {
437 alloc ();
438 }
439
440private:
441 void alloc ();
442};
443
444struct iow : watcher<pe_io>, callback<void (iow &, int)>
445{
446 template<class O, class M>
447 iow (O object, M method)
448 : callback<void (iow &, int)> (object, method)
449 {
450 alloc ();
451 }
452
453 void fd (int fd);
454 int poll ();
455 void poll (int events);
456
457private:
458 void alloc ();
459};
460
276#endif 461#endif
277 462

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