[ViewVC] Diff of: cvs/deliantra/server/include/cfperl.h

Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.20 by root, Thu Aug 31 18:59:24 2006 UTC vs.
Revision 1.53 by root, Thu Feb 1 19:15:39 2007 UTC

…		…
9	using namespace std;	9	using 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
31	void cfperl_init ();	63	void cfperl_init ();
32	void cfperl_boot ();
33	void cfperl_main ();	64	void cfperl_main ();
		65	void cfperl_emergency_save ();
		66
		67	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		68
		69	// virtual server time, excluding time jumps and lag
		70	extern double runtime;
34		71
35	enum event_klass	72	enum event_klass
36	{	73	{
37	KLASS_NONE,	74	KLASS_NONE,
38	KLASS_GLOBAL,	75	KLASS_GLOBAL,
		76	KLASS_ATTACHABLE,
		77	KLASS_CLIENT,
39	KLASS_PLAYER,	78	KLASS_PLAYER,
40	KLASS_OBJECT,	79	KLASS_OBJECT,
41	KLASS_MAP,	80	KLASS_MAP,
		81	KLASS_COMMAND,
42	};	82	};
43		83
44	enum event_type	84	enum event_type
45	{	85	{
46	# define def(klass,name) EVENT_ ## klass ## _ ## name,	86	# define def(klass,name) EVENT_ ## klass ## _ ## name,
47	# include "eventinc.h"	87	# include "eventinc.h"
48	# undef def	88	# undef def
49	NUM_EVENT_TYPES	89	NUM_EVENT_TYPES
50	};	90	};
51		91
52	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)	92	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
53	#define ARG_INT(v) DT_INT , static_cast<int> (v)	93	#define ARG_INT(v) DT_INT , static_cast<int> (v)
54	#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)	94	#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
55	#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)	95	#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
56	#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)	96	#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)	97	#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)	98	#define ARG_OBJECT(o) DT_OBJECT, (void )(static_cast<object > (o))
59	#define ARG_MAP(o) DT_MAP , (void )static_cast<struct mapstruct > (o)	99	#define ARG_MAP(o) DT_MAP , (void )(static_cast<maptile > (o))
60	#define ARG_PLAYER(o) DT_PLAYER, (void )static_cast<struct pl > (o)	100	#define ARG_PLAYER(o) DT_PLAYER, (void )(static_cast<player > (o))
61	#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))
62	#define ARG_PARTY(o) DT_PARTY , (void )static_cast<struct party > (o)	103	#define ARG_PARTY(o) DT_PARTY , (void )(static_cast<party > (o))
63	#define ARG_REGION(o) DT_REGION, (void )static_cast<struct region > (o)	104	#define ARG_REGION(o) DT_REGION, (void )(static_cast<region > (o))
64		105
65	// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension	106	// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
66		107
67	// 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)
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__)	109	#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__)	110	#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__)	111	#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__)	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)
75		115
76	//TODO should index into @result	116	//TODO should index into @result
77	#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)
78	#define RESULT_INT(idx) RESULT(idx, INT)	119	#define RESULT_INT(idx) RESULT(idx, INT)
79		120
80	bool cfperl_invoke (event_type event, ...);	121	double cfperl_result_DOUBLE (int idx);
81	int cfperl_result_INT (int idx);	122	int cfperl_result_INT (int idx);
82		123
		124	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		125
		126	INTERFACE_CLASS (attachable)
83	struct attachable_base	127	struct attachable
84	{	128	{
85	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
		160	private:
		161	static refcounted *rc_first;
		162	refcounted *rc_next;
		163	#endif
		164
		165	HV *self; // CF+ perl self
86	AV *cb; // CF+ perl self and callback	166	AV *cb; // CF+ callbacks
87	const char *attach; // generic extension attachment information	167	shstr attach; // generic extension attachment information
88		168
89	void clear (); // called when free'ing objects	169	void sever_self (); // sever this object from its self, if it has one.
90	void optimise (); // possibly save some memory by destroying unneeded data	170	void optimise (); // possibly save some memory by destroying unneeded data
91	void instantiate (data_type type, void *obj);
92		171
93	void attachable_init ()	172	attachable ()
		173	: flags (0), refcnt (0), self (0), cb (0), attach (0)
94	{	174	{
95	self = 0;
96	cb = 0;
97	attach = 0;
98	}	175	}
99	};
100		176
101	// objects attachable from perl (or any other extension) should include or	177	attachable (const attachable &src)
102	// derive using the curiously recurring template pattern, to avoid	178	: flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
103	// virtual method calls etc.	179	{
104	template<class subclass>	180	}
105	struct attachable : attachable_base	181
106	{	182	virtual ~attachable ();
		183
		184	attachable &operator =(const attachable &src);
		185
		186	bool invoke (event_type event, ...);
107	void instantiate ()	187	MTH void instantiate ();
108	{	188	void reattach ();
109	if (attach)	189
110	attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));	190	protected:
111	}	191	// do the real refcount checking work
		192	void do_check ();
		193
		194	// the method that does the real destroy work
		195	virtual void do_destroy ();
112	};	196	};
		197
		198	// the global object is a pseudo object that cares for the global events
		199	struct global : attachable
		200	{
		201	void gather_callbacks (AV *&callbacks, event_type event) const;
		202	};
		203
		204	extern struct global gbl_ev;
		205
		206	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
113		207
114	struct object_freezer : dynbuf	208	struct object_freezer : dynbuf
115	{	209	{
116	AV *av;	210	AV *av;
117		211
118	object_freezer ();	212	object_freezer ();
119	~object_freezer ();	213	~object_freezer ();
120		214
121	void put (attachable_base *ext);	215	void put (attachable *ext);
122		216
123	template<class subclass>	217	// 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)	218	void put (const shstr &k, const shstr &v)
131	{	219	{
132	add (k);	220	add (k);
133		221
134	//if (v)
135	add (' '); //TODO//cf compatibility always add space
136	if (v)	222	if (v)
137	add (v);	223	add (' '), add (v);
138		224
139	add ('\n');	225	add ('\n');
140	}	226	}
141		227
142	//TODO//temporary	228	//TODO//temporary, used only for saving body locations
143	void put (const char *k, int v)	229	void put (const char *k, int v)
144	{	230	{
145	add (k);	231	add (k);
146	add (' ');	232	add (' ');
147	add (sint32 (v));	233	add (sint32 (v));
148	add ('\n');	234	add ('\n');
149	}	235	}
150		236
		237	template<typename T>
151	void put (keyword k, const char *v)	238	void put_string (keyword k, const T &v)
152	{	239	{
153	int klen = keyword_len [k];	240	int klen = keyword_len [k];
154	int vlen = v ? strlen (v) : 0;	241	int vlen = v ? strlen (v) + 1 : 0;
155		242
156	char p = (char )alloc (klen + 1 + vlen + 1);	243	char p = (char )alloc (klen + vlen + 1);
157		244
158	memcpy (p, keyword_str [k], klen); p += klen;	245	memcpy (p, keyword_str [k], klen); p += klen;
159	*p++ = ' '; //TODO//cf compatibility always add space	246
		247	if (v)
		248	{
		249	*p++ = ' '; vlen--;
160	memcpy (p, v, vlen); p += vlen;	250	memcpy (p, v, vlen); p += vlen;
		251	}
		252
161	*p = '\n';	253	*p = '\n';
		254	}
		255
		256	void put (keyword k, const char *v = 0)
		257	{
		258	put_string (k, v);
		259	}
		260
		261	void put (keyword k, const shstr &v)
		262	{
		263	put_string (k, v);
162	}	264	}
163		265
164	void put (keyword k, double v)	266	void put (keyword k, double v)
165	{	267	{
166	char buf [128];	268	char buf [128];
…		…
184	add (' ');	286	add (' ');
185	add (v);	287	add (v);
186	add ('\n');	288	add ('\n');
187	}	289	}
188		290
189	void put (keyword kbeg, keyword kend, const char *v)	291	void put (keyword kbeg, keyword kend, const shstr &v)
190	{	292	{
191	add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');	293	add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
192		294
193	if (v)	295	if (v)
194	{	296	{
…		…
210	void put (keyword k, unsigned long v) { put_(k, (sint64)v); }	312	void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
211	void put (keyword k, signed long long v) { put_(k, (sint64)v); }	313	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); }	314	void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
213		315
214	template<typename T>	316	template<typename T>
215	void put (keyword k, T *v)	317	void put (keyword k, const T *v)
216	{	318	{
		319	if (v)
		320	put (k, v->name);
		321	else
217	put (k, v ? (const char *)v->name : 0);	322	put (k, (const char *)0);
218	}	323	}
219		324
		325	template<typename T>
		326	void put (keyword k, const refptr<T> &v)
		327	{
		328	put (k, (T *)v);
		329	}
		330
220	bool save (const char *filename);	331	bool save (const char *path);
		332	char *as_string (); // like strdup
221		333
222	operator bool () { return !!av; }	334	operator bool () { return !!av; }
223	};	335	};
224		336
225	// compatibility support, should be removed when no longer needed	337	// compatibility support, should be removed when no longer needed
226	int fprintf (object_freezer &freezer, const char *format, ...);	338	int fprintf (object_freezer &freezer, const char *format, ...);
227	int fputs (const char *s, object_freezer &freezer);	339	int fputs (const char *s, object_freezer &freezer);
228		340
229	// a single key-value line from a file
230	struct token {
231	keyword k;
232	const char *v;
233
234	token (keyword k, const char *v = 0) : k(k), v(v) { }
235	};
236
237	struct object_thawer	341	struct object_thawer
238	{	342	{
239	AV *av;	343	SV *text; // text part
240	FILE *fp;	344	AV *av; // perl part
241	char line[1024];	345	int linenum;
		346	char *line; // current beginning of line
		347	char last_keyword, last_value;
		348	const char *name;
242		349
		350	operator bool () { return !!text; }
		351
243	object_thawer (const char *filename = 0);	352	object_thawer (const char *path = 0);
		353	object_thawer (const char data, AV perlav);
244	~object_thawer ();	354	~object_thawer ();
245		355
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)	356	void get (attachable *obj, int oid);
250	{
251	if (av)
252	get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
253	}
254		357
255	token get_token ();	358	keyword get_kv (); // also parse value for later use
		359	void skip_kv (keyword kw);
256		360
257	operator FILE *() { return fp; }	361	const char *get_str () { return last_value; } // may be 0
		362
		363	void get (shstr &sh) const;
		364	void get_ornull (shstr &sh) const { sh = last_value; }
		365	void get_ml (keyword kend, shstr &sh);
		366
		367	sint32 get_sint32 () const;
		368	sint64 get_sint64 () const;
		369	double get_double () const;
		370
		371	void get (float &v) { v = get_double (); }
		372	void get (double &v) { v = get_double (); }
		373
		374	void get (bool &i) { i = get_sint32 (); }
		375	void get (sint8 &i) { i = get_sint32 (); }
		376	void get (uint8 &i) { i = get_sint32 (); }
		377	void get (sint16 &i) { i = get_sint32 (); }
		378	void get (uint16 &i) { i = get_sint32 (); }
		379	void get (sint32 &i) { i = get_sint32 (); }
		380
		381	void get (uint32 &i) { i = get_sint64 (); }
		382	void get (sint64 &i) { i = get_sint64 (); }
		383
		384	bool parse_error (keyword kw, const char type = 0, const char name = 0, bool skip = true);
		385	};
		386
		387	//TODO: remove
		388	char fgets (char s, int n, object_thawer &thawer);
		389
		390	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		391
		392	struct coroapi {
		393	static struct CoroAPI *GCoroAPI;
		394
		395	static int nready () { return CORO_NREADY; }
		396	static int cede () { return CORO_CEDE ; }
		397
		398	static int cede_counter;
		399
		400	static void cede_every (int count)
		401	{
		402	if (++cede_counter >= count)
		403	{
		404	cede_counter = 0;
		405
		406	if (coroapi::nready ())
		407	coroapi::cede ();
		408	}
		409	}
		410	};
		411
		412	struct watcher_base
		413	{
		414	static struct EventAPI *GEventAPI;
		415	};
		416
		417	template<class base>
		418	struct watcher : watcher_base
		419	{
		420	base *pe;
		421
		422	void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
		423	void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
		424	void now () { GEventAPI->now ((pe_watcher *)pe); }
		425	void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
		426	void resume () { GEventAPI->resume ((pe_watcher *)pe); }
		427
		428	void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
		429
		430	~watcher ()
		431	{
		432	cancel ();
		433	}
		434
		435	private:
		436	void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
		437	};
		438
		439	struct iw : watcher<pe_idle>, callback<void (iw &)>
		440	{
		441	template<class O, class M>
		442	iw (O object, M method)
		443	: callback<void (iw &)> (object, method)
		444	{
		445	alloc ();
		446	}
		447
		448	private:
		449	void alloc ();
		450	};
		451
		452	struct iow : watcher<pe_io>, callback<void (iow &, int)>
		453	{
		454	template<class O, class M>
		455	iow (O object, M method)
		456	: callback<void (iow &, int)> (object, method)
		457	{
		458	alloc ();
		459	}
		460
		461	void fd (int fd);
		462	int poll ();
		463	void poll (int events);
		464
		465	private:
		466	void alloc ();
258	};	467	};
259		468
260	#endif	469	#endif
261		470

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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 1.53 by root, Thu Feb 1 19:15:39 2007 UTC

Diff Legend

Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.20 by root, Thu Aug 31 18:59:24 2006 UTC vs.
Revision 1.53 by root, Thu Feb 1 19:15:39 2007 UTC