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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.22 by root, Mon Sep 4 11:07:59 2006 UTC vs.
Revision 1.48 by root, Sun Jan 7 18:01:09 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
125INTERFACE_CLASS (attachable)
82struct attachable_base 126struct attachable
83{ 127{
84 SV *self; 128 static MGVTBL vtbl;
129
130 static unordered_vector<attachable *> mortals;
131 MTH static void check_mortals ();
132
133 enum {
134 F_DESTROYED = 0x01,
135 F_BORROWED = 0x02,
136 };
137
138 // object is delete'd after the refcount reaches 0
139 mutable int ACC (RW, refcnt);
140 int ACC (RW, flags);
141
142 MTH void refcnt_inc () const { ++refcnt; }
143 MTH void refcnt_dec () const { --refcnt; }
144
145 // check wether the object has died and destroy
146 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
147
148 // destroy the object unless it was already destroyed
149 // this politely asks everybody interested the reduce
150 // the refcount to 0 as soon as possible.
151 MTH void destroy ();
152
153 // return wether an object was destroyed already
154 MTH bool destroyed () const { return flags & F_DESTROYED; }
155
156 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
157
158#if 0
159private:
160 static refcounted *rc_first;
161 refcounted *rc_next;
162#endif
163
164 HV *self; // CF+ perl self
85 AV *cb; // CF+ perl self and callback 165 AV *cb; // CF+ callbacks
86 shstr attach; // generic extension attachment information 166 shstr attach; // generic extension attachment information
87 167
88 void clear (); // called when free'ing objects
89 void optimise (); // possibly save some memory by destroying unneeded data 168 void optimise (); // possibly save some memory by destroying unneeded data
90 void instantiate (data_type type, void *obj);
91 169
92 void attachable_clear ()
93 {
94 self = 0;
95 cb = 0;
96 attach = 0;
97 }
98
99 attachable_base () 170 attachable ()
171 : flags (0), refcnt (0), self (0), cb (0), attach (0)
100 { 172 {
101 attachable_clear ();
102 } 173 }
103 174
104 attachable_base (const attachable_base &src) 175 attachable (const attachable &src)
105 : self (0), cb (0), attach (src.attach) 176 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
106 { 177 {
107 } 178 }
108};
109 179
110// objects attachable from perl (or any other extension) should include or 180 virtual ~attachable ();
111// derive using the curiously recurring template pattern, to avoid 181
112// virtual method calls etc. 182 attachable &operator =(const attachable &src);
113template<class subclass> 183
114struct attachable : attachable_base 184 bool invoke (event_type event, ...);
115{
116 void instantiate () 185 MTH void instantiate ();
117 { 186 void reattach ();
118 if (attach) 187
119 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 188protected:
120 } 189 // do the real refcount checking work
190 void do_check ();
191
192 // the method that does the real destroy work
193 virtual void do_destroy ();
121}; 194};
195
196// the global object is a pseudo object that cares for the global events
197struct global : attachable
198{
199 void gather_callbacks (AV *&callbacks, event_type event) const;
200};
201
202extern struct global gbl_ev;
203
204//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
122 205
123struct object_freezer : dynbuf 206struct object_freezer : dynbuf
124{ 207{
125 AV *av; 208 AV *av;
126 209
127 object_freezer (); 210 object_freezer ();
128 ~object_freezer (); 211 ~object_freezer ();
129 212
130 void put (attachable_base *ext); 213 void put (attachable *ext);
131 214
132 template<class subclass> 215 // used only for user-defined key-value pairs
133 void put (attachable<subclass> *obj)
134 {
135 put ((attachable_base *)obj);
136 }
137
138 //TODO//temporary
139 void put (const char *k, const char *v) 216 void put (const shstr &k, const shstr &v)
140 { 217 {
141 add (k); 218 add (k);
142 219
143 if (v) 220 if (v)
144 add (' '), add (v); 221 add (' '), add (v);
145 222
146 add ('\n'); 223 add ('\n');
147 } 224 }
148 225
149 //TODO//temporary 226 //TODO//temporary, used only for saving body locations
150 void put (const char *k, int v) 227 void put (const char *k, int v)
151 { 228 {
152 add (k); 229 add (k);
153 add (' '); 230 add (' ');
154 add (sint32 (v)); 231 add (sint32 (v));
155 add ('\n'); 232 add ('\n');
156 } 233 }
157 234
158#if 1 235 template<typename T>
159 void put (keyword k, const char *v) 236 void put_string (keyword k, const T &v)
160 { 237 {
161 int klen = keyword_len [k]; 238 int klen = keyword_len [k];
162 int vlen = v ? strlen (v) + 1 : 0; 239 int vlen = v ? strlen (v) + 1 : 0;
163 240
164 char *p = (char *)alloc (klen + vlen + 1); 241 char *p = (char *)alloc (klen + vlen + 1);
165 242
166 memcpy (p, keyword_str [k], klen); p += klen; 243 memcpy (p, keyword_str [k], klen); p += klen;
167 244
168 if (v) 245 if (v)
169 { 246 {
170 *p++ = ' '; vlen--; //TODO//cf compatibility always add space 247 *p++ = ' '; vlen--;
171 memcpy (p, v, vlen); p += vlen; 248 memcpy (p, v, vlen); p += vlen;
172 } 249 }
173 250
174 *p = '\n'; 251 *p = '\n';
175 } 252 }
176#endif
177 253
178#if 0 254 void put (keyword k, const char *v = 0)
255 {
256 put_string (k, v);
257 }
258
179 void put (keyword k, const shstr &v) 259 void put (keyword k, const shstr &v)
180 { 260 {
181 int klen = keyword_len [k]; 261 put_string (k, v);
182 int vlen = v ? v.length () + 1 : 0;
183
184 char *p = (char *)alloc (klen + vlen + 1);
185
186 memcpy (p, keyword_str [k], klen); p += klen;
187
188 if (v)
189 {
190 *p++ = ' '; vlen--; //TODO//cf compatibility always add space
191 memcpy (p, v, vlen); p += vlen;
192 }
193
194 *p = '\n';
195 } 262 }
196#endif
197 263
198 void put (keyword k, double v) 264 void put (keyword k, double v)
199 { 265 {
200 char buf [128]; 266 char buf [128];
201 267
218 add (' '); 284 add (' ');
219 add (v); 285 add (v);
220 add ('\n'); 286 add ('\n');
221 } 287 }
222 288
223 void put (keyword kbeg, keyword kend, const char *v) 289 void put (keyword kbeg, keyword kend, const shstr &v)
224 { 290 {
225 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 291 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
226 292
227 if (v) 293 if (v)
228 { 294 {
244 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 310 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
245 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 311 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
246 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 312 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
247 313
248 template<typename T> 314 template<typename T>
249 void put (keyword k, T *v) 315 void put (keyword k, const T *v)
250 { 316 {
317 if (v)
318 put (k, v->name);
319 else
251 put (k, v ? (const char *)v->name : 0); 320 put (k, (const char *)0);
252 } 321 }
253 322
323 template<typename T>
324 void put (keyword k, const refptr<T> &v)
325 {
326 put (k, (T *)v);
327 }
328
254 bool save (const char *filename); 329 bool save (const char *path);
330 char *as_string (); // like strdup
255 331
256 operator bool () { return !!av; } 332 operator bool () { return !!av; }
257}; 333};
258 334
259// compatibility support, should be removed when no longer needed 335// compatibility support, should be removed when no longer needed
263struct object_thawer 339struct object_thawer
264{ 340{
265 SV *text; // text part 341 SV *text; // text part
266 AV *av; // perl part 342 AV *av; // perl part
267 char *line; // current beginning of line 343 char *line; // current beginning of line
268 char *last_value; 344 char *last_keyword, *last_value;
345 const char *name;
269 346
270 operator bool () { return !!text; } 347 operator bool () { return !!text; }
271 348
272 object_thawer (const char *filename = 0); 349 object_thawer (const char *path = 0);
350 object_thawer (const char *data, AV *perlav);
273 ~object_thawer (); 351 ~object_thawer ();
274 352
275 void get (data_type type, void *obj, attachable_base *ext, int oid);
276
277 template<class subclass>
278 void get (attachable<subclass> *obj, int oid) 353 void get (attachable *obj, int oid);
279 {
280 if (av)
281 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
282 }
283 354
284 keyword get_kv (); // also parse value for later use 355 keyword get_kv (); // also parse value for later use
356 void skip_kv (keyword kw);
285 357
286 const char *get_str () { return last_value; } // may be 0 358 const char *get_str () { return last_value; } // may be 0
287 359
288 void get (shstr &sh) const; 360 void get (shstr &sh) const;
289 void get_ornull (shstr &sh) const { sh = last_value; } 361 void get_ornull (shstr &sh) const { sh = last_value; }
291 363
292 sint32 get_sint32 () const; 364 sint32 get_sint32 () const;
293 sint64 get_sint64 () const; 365 sint64 get_sint64 () const;
294 double get_double () const; 366 double get_double () const;
295 367
296 void get (float &v) { v = get_double (); } 368 void get (float &v) { v = get_double (); }
297 void get (double &v) { v = get_double (); } 369 void get (double &v) { v = get_double (); }
298 370
371 void get (bool &i) { i = get_sint32 (); }
299 void get (sint8 &i) { i = get_sint32 (); } 372 void get (sint8 &i) { i = get_sint32 (); }
300 void get (uint8 &i) { i = get_sint32 (); } 373 void get (uint8 &i) { i = get_sint32 (); }
301 void get (sint16 &i) { i = get_sint32 (); } 374 void get (sint16 &i) { i = get_sint32 (); }
302 void get (uint16 &i) { i = get_sint32 (); } 375 void get (uint16 &i) { i = get_sint32 (); }
303 void get (sint32 &i) { i = get_sint32 (); } 376 void get (sint32 &i) { i = get_sint32 (); }
306 void get (sint64 &i) { i = get_sint64 (); } 379 void get (sint64 &i) { i = get_sint64 (); }
307}; 380};
308 381
309char *fgets (char *s, int n, object_thawer &thawer); 382char *fgets (char *s, int n, object_thawer &thawer);
310 383
384//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
385
386struct coroapi {
387 static struct CoroAPI *GCoroAPI;
388
389 static int nready () { return CORO_NREADY; }
390 static int cede () { return CORO_CEDE ; }
391
392 static int cede_counter;
393
394 static void cede_every (int count)
395 {
396 if (++cede_counter >= count)
397 {
398 cede_counter = 0;
399
400 if (coroapi::nready ())
401 coroapi::cede ();
402 }
403 }
404};
405
406struct watcher_base
407{
408 static struct EventAPI *GEventAPI;
409};
410
411template<class base>
412struct watcher : watcher_base
413{
414 base *pe;
415
416 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
417 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
418 void now () { GEventAPI->now ((pe_watcher *)pe); }
419 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
420 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
421
422 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
423
424 ~watcher ()
425 {
426 cancel ();
427 }
428
429private:
430 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
431};
432
433struct iw : watcher<pe_idle>, callback<void (iw &)>
434{
435 template<class O, class M>
436 iw (O object, M method)
437 : callback<void (iw &)> (object, method)
438 {
439 alloc ();
440 }
441
442private:
443 void alloc ();
444};
445
446struct iow : watcher<pe_io>, callback<void (iow &, int)>
447{
448 template<class O, class M>
449 iow (O object, M method)
450 : callback<void (iow &, int)> (object, method)
451 {
452 alloc ();
453 }
454
455 void fd (int fd);
456 int poll ();
457 void poll (int events);
458
459private:
460 void alloc ();
461};
462
311#endif 463#endif
312 464

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