ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/include/cfperl.h
(Generate patch)

Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.21 by root, Sun Sep 3 22:45:56 2006 UTC vs.
Revision 1.51 by root, Tue Jan 23 03:56:45 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 ();
65void cfperl_emergency_save ();
66
67//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
68
69// virtual server time, excluding time jumps and lag
70extern double runtime;
33 71
34enum event_klass 72enum event_klass
35{ 73{
36 KLASS_NONE, 74 KLASS_NONE,
37 KLASS_GLOBAL, 75 KLASS_GLOBAL,
76 KLASS_ATTACHABLE,
77 KLASS_CLIENT,
38 KLASS_PLAYER, 78 KLASS_PLAYER,
39 KLASS_OBJECT, 79 KLASS_OBJECT,
40 KLASS_MAP, 80 KLASS_MAP,
81 KLASS_COMMAND,
41}; 82};
42 83
43enum event_type 84enum event_type
44{ 85{
45# define def(klass,name) EVENT_ ## klass ## _ ## name, 86# define def(klass,name) EVENT_ ## klass ## _ ## name,
46# include "eventinc.h" 87# include "eventinc.h"
47# undef def 88# undef def
48 NUM_EVENT_TYPES 89 NUM_EVENT_TYPES
49}; 90};
50 91
51#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 92#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
52#define ARG_INT(v) DT_INT , static_cast<int> (v) 93#define ARG_INT(v) DT_INT , static_cast<int> (v)
53#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 94#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
54#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 95#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
55#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 96#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) 97#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) 98#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
58#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) 99#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
59#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) 100#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
60#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) 101#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
102#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
61#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) 103#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
62#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 104#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
63 105
64// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 106// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
65 107
66// all these return true when the normal event processing should be skipped (if any) 108// 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__) 109#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__) 110#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__) 111#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__) 112#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
113#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
114#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
74 115
75//TODO should index into @result 116//TODO should index into @result
76#define RESULT(idx,type) cfperl_result_ ## type (idx) 117#define RESULT(idx,type) cfperl_result_ ## type (idx)
118#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
77#define RESULT_INT(idx) RESULT(idx, INT) 119#define RESULT_INT(idx) RESULT(idx, INT)
78 120
79bool cfperl_invoke (event_type event, ...); 121double cfperl_result_DOUBLE (int idx);
80int cfperl_result_INT (int idx); 122int cfperl_result_INT (int idx);
81 123
124//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
125
126INTERFACE_CLASS (attachable)
82struct attachable_base 127struct attachable
83{ 128{
84 SV *self; 129 static MGVTBL vtbl;
130
131 static unordered_vector<attachable *> mortals;
132 MTH static void check_mortals ();
133
134 enum {
135 F_DESTROYED = 0x01,
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 MTH int refcnt_cnt () const;
146 // check wether the object has died and destroy
147 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
148
149 // destroy the object unless it was already destroyed
150 // this politely asks everybody interested the reduce
151 // the refcount to 0 as soon as possible.
152 MTH void destroy ();
153
154 // return wether an object was destroyed already
155 MTH bool destroyed () const { return flags & F_DESTROYED; }
156
157 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
158
159#if 0
160private:
161 static refcounted *rc_first;
162 refcounted *rc_next;
163#endif
164
165 HV *self; // CF+ perl self
85 AV *cb; // CF+ perl self and callback 166 AV *cb; // CF+ callbacks
86 shstr attach; // generic extension attachment information 167 shstr attach; // generic extension attachment information
87 168
88 void clear (); // called when free'ing objects
89 void optimise (); // possibly save some memory by destroying unneeded data 169 void optimise (); // possibly save some memory by destroying unneeded data
90 void instantiate (data_type type, void *obj);
91 170
92 void attachable_init () 171 attachable ()
172 : flags (0), refcnt (0), self (0), cb (0), attach (0)
93 { 173 {
94 self = 0;
95 cb = 0;
96 attach = 0;
97 } 174 }
98};
99 175
100// objects attachable from perl (or any other extension) should include or 176 attachable (const attachable &src)
101// derive using the curiously recurring template pattern, to avoid 177 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
102// virtual method calls etc. 178 {
103template<class subclass> 179 }
104struct attachable : attachable_base 180
105{ 181 virtual ~attachable ();
182
183 attachable &operator =(const attachable &src);
184
185 bool invoke (event_type event, ...);
106 void instantiate () 186 MTH void instantiate ();
107 { 187 void reattach ();
108 if (attach) 188
109 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 189protected:
110 } 190 // do the real refcount checking work
191 void do_check ();
192
193 // the method that does the real destroy work
194 virtual void do_destroy ();
111}; 195};
196
197// the global object is a pseudo object that cares for the global events
198struct global : attachable
199{
200 void gather_callbacks (AV *&callbacks, event_type event) const;
201};
202
203extern struct global gbl_ev;
204
205//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
112 206
113struct object_freezer : dynbuf 207struct object_freezer : dynbuf
114{ 208{
115 AV *av; 209 AV *av;
116 210
117 object_freezer (); 211 object_freezer ();
118 ~object_freezer (); 212 ~object_freezer ();
119 213
120 void put (attachable_base *ext); 214 void put (attachable *ext);
121 215
122 template<class subclass> 216 // 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) 217 void put (const shstr &k, const shstr &v)
130 { 218 {
131 add (k); 219 add (k);
132 220
133 //if (v)
134 add (' '); //TODO//cf compatibility always add space
135 if (v) 221 if (v)
136 add (v); 222 add (' '), add (v);
137 223
138 add ('\n'); 224 add ('\n');
139 } 225 }
140 226
141 //TODO//temporary 227 //TODO//temporary, used only for saving body locations
142 void put (const char *k, int v) 228 void put (const char *k, int v)
143 { 229 {
144 add (k); 230 add (k);
145 add (' '); 231 add (' ');
146 add (sint32 (v)); 232 add (sint32 (v));
147 add ('\n'); 233 add ('\n');
148 } 234 }
149 235
236 template<typename T>
150 void put (keyword k, const char *v) 237 void put_string (keyword k, const T &v)
151 { 238 {
152 int klen = keyword_len [k]; 239 int klen = keyword_len [k];
153 int vlen = v ? strlen (v) : 0; 240 int vlen = v ? strlen (v) + 1 : 0;
154 241
155 char *p = (char *)alloc (klen + 1 + vlen + 1); 242 char *p = (char *)alloc (klen + vlen + 1);
156 243
157 memcpy (p, keyword_str [k], klen); p += klen; 244 memcpy (p, keyword_str [k], klen); p += klen;
158 *p++ = ' '; //TODO//cf compatibility always add space 245
246 if (v)
247 {
248 *p++ = ' '; vlen--;
159 memcpy (p, v, vlen); p += vlen; 249 memcpy (p, v, vlen); p += vlen;
250 }
251
160 *p = '\n'; 252 *p = '\n';
253 }
254
255 void put (keyword k, const char *v = 0)
256 {
257 put_string (k, v);
258 }
259
260 void put (keyword k, const shstr &v)
261 {
262 put_string (k, v);
161 } 263 }
162 264
163 void put (keyword k, double v) 265 void put (keyword k, double v)
164 { 266 {
165 char buf [128]; 267 char buf [128];
183 add (' '); 285 add (' ');
184 add (v); 286 add (v);
185 add ('\n'); 287 add ('\n');
186 } 288 }
187 289
188 void put (keyword kbeg, keyword kend, const char *v) 290 void put (keyword kbeg, keyword kend, const shstr &v)
189 { 291 {
190 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 292 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
191 293
192 if (v) 294 if (v)
193 { 295 {
209 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 311 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
210 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 312 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); } 313 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
212 314
213 template<typename T> 315 template<typename T>
214 void put (keyword k, T *v) 316 void put (keyword k, const T *v)
215 { 317 {
318 if (v)
319 put (k, v->name);
320 else
216 put (k, v ? (const char *)v->name : 0); 321 put (k, (const char *)0);
217 } 322 }
218 323
324 template<typename T>
325 void put (keyword k, const refptr<T> &v)
326 {
327 put (k, (T *)v);
328 }
329
219 bool save (const char *filename); 330 bool save (const char *path);
331 char *as_string (); // like strdup
220 332
221 operator bool () { return !!av; } 333 operator bool () { return !!av; }
222}; 334};
223 335
224// compatibility support, should be removed when no longer needed 336// compatibility support, should be removed when no longer needed
228struct object_thawer 340struct object_thawer
229{ 341{
230 SV *text; // text part 342 SV *text; // text part
231 AV *av; // perl part 343 AV *av; // perl part
232 char *line; // current beginning of line 344 char *line; // current beginning of line
233 char *last_value; 345 char *last_keyword, *last_value;
346 const char *name;
234 347
235 operator bool () { return !!text; } 348 operator bool () { return !!text; }
236 349
237 object_thawer (const char *filename = 0); 350 object_thawer (const char *path = 0);
351 object_thawer (const char *data, AV *perlav);
238 ~object_thawer (); 352 ~object_thawer ();
239 353
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) 354 void get (attachable *obj, int oid);
244 {
245 if (av)
246 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
247 }
248 355
249 keyword get_kv (); // also parse value for later use 356 keyword get_kv (); // also parse value for later use
357 void skip_kv (keyword kw);
250 358
251 const char *get_str () { return last_value; } // may be 0 359 const char *get_str () { return last_value; } // may be 0
252 360
253 void get (shstr &sh) const; 361 void get (shstr &sh) const;
254 void get_ornull (shstr &sh) const { sh = last_value; } 362 void get_ornull (shstr &sh) const { sh = last_value; }
256 364
257 sint32 get_sint32 () const; 365 sint32 get_sint32 () const;
258 sint64 get_sint64 () const; 366 sint64 get_sint64 () const;
259 double get_double () const; 367 double get_double () const;
260 368
261 void get (float &v) { v = get_double (); } 369 void get (float &v) { v = get_double (); }
262 void get (double &v) { v = get_double (); } 370 void get (double &v) { v = get_double (); }
263 371
372 void get (bool &i) { i = get_sint32 (); }
264 void get (sint8 &i) { i = get_sint32 (); } 373 void get (sint8 &i) { i = get_sint32 (); }
265 void get (uint8 &i) { i = get_sint32 (); } 374 void get (uint8 &i) { i = get_sint32 (); }
266 void get (sint16 &i) { i = get_sint32 (); } 375 void get (sint16 &i) { i = get_sint32 (); }
267 void get (uint16 &i) { i = get_sint32 (); } 376 void get (uint16 &i) { i = get_sint32 (); }
268 void get (sint32 &i) { i = get_sint32 (); } 377 void get (sint32 &i) { i = get_sint32 (); }
271 void get (sint64 &i) { i = get_sint64 (); } 380 void get (sint64 &i) { i = get_sint64 (); }
272}; 381};
273 382
274char *fgets (char *s, int n, object_thawer &thawer); 383char *fgets (char *s, int n, object_thawer &thawer);
275 384
385//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
386
387struct coroapi {
388 static struct CoroAPI *GCoroAPI;
389
390 static int nready () { return CORO_NREADY; }
391 static int cede () { return CORO_CEDE ; }
392
393 static int cede_counter;
394
395 static void cede_every (int count)
396 {
397 if (++cede_counter >= count)
398 {
399 cede_counter = 0;
400
401 if (coroapi::nready ())
402 coroapi::cede ();
403 }
404 }
405};
406
407struct watcher_base
408{
409 static struct EventAPI *GEventAPI;
410};
411
412template<class base>
413struct watcher : watcher_base
414{
415 base *pe;
416
417 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
418 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
419 void now () { GEventAPI->now ((pe_watcher *)pe); }
420 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
421 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
422
423 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
424
425 ~watcher ()
426 {
427 cancel ();
428 }
429
430private:
431 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
432};
433
434struct iw : watcher<pe_idle>, callback<void (iw &)>
435{
436 template<class O, class M>
437 iw (O object, M method)
438 : callback<void (iw &)> (object, method)
439 {
440 alloc ();
441 }
442
443private:
444 void alloc ();
445};
446
447struct iow : watcher<pe_io>, callback<void (iow &, int)>
448{
449 template<class O, class M>
450 iow (O object, M method)
451 : callback<void (iow &, int)> (object, method)
452 {
453 alloc ();
454 }
455
456 void fd (int fd);
457 int poll ();
458 void poll (int events);
459
460private:
461 void alloc ();
462};
463
276#endif 464#endif
277 465

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines