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

Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.18 by root, Thu Aug 31 09:19:34 2006 UTC vs.
Revision 1.54 by root, Sun Feb 11 01:38:48 2007 UTC

…		…
8		8
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		14
		15	#include <EventAPI.h>
		16	#include <CoroAPI.h>
		17
		18	#include "util.h"
14	#include "keyword.h"	19	#include "keyword.h"
		20	#include "dynbuf.h"
		21	#include "callback.h"
		22
		23	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
15		24
16	// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)	25	// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
17	#undef localtime	26	#undef localtime
18	#undef srand48	27	#undef srand48
19	#undef drand48	28	#undef drand48
…		…
22	#undef getprotobyname	31	#undef getprotobyname
23	#undef gethostbyname	32	#undef gethostbyname
24	#undef ctime	33	#undef ctime
25	#undef strerror	34	#undef strerror
26		35
		36	// same here, massive symbol spamming
		37	#undef do_open
		38	#undef do_close
		39	#undef ref
		40	#undef seed
		41
27	// perl bug #40256: perl does overwrite those with reentrant versions	42	// perl bug #40256: perl does overwrite those with reentrant versions
28	// but does not initialise their state structures.	43	// but does not initialise their state structures.
29	#undef random	44	#undef random
30	#undef crypt	45	#undef crypt
31		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
32	void cfperl_init ();	63	void cfperl_init ();
33	void cfperl_boot ();
34	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;
35		71
36	enum event_klass	72	enum event_klass
37	{	73	{
38	KLASS_NONE,	74	KLASS_NONE,
39	KLASS_GLOBAL,	75	KLASS_GLOBAL,
		76	KLASS_ATTACHABLE,
		77	KLASS_CLIENT,
40	KLASS_PLAYER,	78	KLASS_PLAYER,
41	KLASS_OBJECT,	79	KLASS_OBJECT,
42	KLASS_MAP,	80	KLASS_MAP,
		81	KLASS_COMMAND,
43	};	82	};
44		83
45	enum event_type	84	enum event_type
46	{	85	{
47	# define def(klass,name) EVENT_ ## klass ## _ ## name,	86	# define def(klass,name) EVENT_ ## klass ## _ ## name,
48	# include "eventinc.h"	87	# include "eventinc.h"
49	# undef def	88	# undef def
50	NUM_EVENT_TYPES	89	NUM_EVENT_TYPES
51	};	90	};
52		91
53	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)	92	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
54	#define ARG_INT(v) DT_INT , static_cast<int> (v)	93	#define ARG_INT(v) DT_INT , static_cast<int> (v)
55	#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)	94	#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
56	#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)	95	#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
57	#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)	96	#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
58	#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)
59	#define ARG_OBJECT(o) DT_OBJECT, (void )static_cast<struct object > (o)	98	#define ARG_OBJECT(o) DT_OBJECT, (void )(static_cast<object > (o))
60	#define ARG_MAP(o) DT_MAP , (void )static_cast<struct mapstruct > (o)	99	#define ARG_MAP(o) DT_MAP , (void )(static_cast<maptile > (o))
61	#define ARG_PLAYER(o) DT_PLAYER, (void )static_cast<struct pl > (o)	100	#define ARG_PLAYER(o) DT_PLAYER, (void )(static_cast<player > (o))
62	#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))
63	#define ARG_PARTY(o) DT_PARTY , (void )static_cast<struct party > (o)	103	#define ARG_PARTY(o) DT_PARTY , (void )(static_cast<party > (o))
64	#define ARG_REGION(o) DT_REGION, (void )static_cast<struct region > (o)	104	#define ARG_REGION(o) DT_REGION, (void )(static_cast<region > (o))
65		105
66	// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension	106	// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
67		107
68	// 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)
69	#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
70
71	#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
72	#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)
73	#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)
74	#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)
75	#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)
76		115
77	//TODO should index into @result	116	//TODO should index into @result
78	#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)
79	#define RESULT_INT(idx) RESULT(idx, INT)	119	#define RESULT_INT(idx) RESULT(idx, INT)
80		120
81	bool cfperl_invoke (event_type event, ...);	121	double cfperl_result_DOUBLE (int idx);
82	int cfperl_result_INT (int idx);	122	int cfperl_result_INT (int idx);
83		123
		124	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		125
		126	INTERFACE_CLASS (attachable)
84	struct attachable_base	127	struct attachable
85	{	128	{
86	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	F_DEBUG_TRACE = 0x02,
		137	};
		138
		139	// object is delete'd after the refcount reaches 0
		140	mutable int ACC (RW, refcnt);
		141	int ACC (RW, flags);
		142
		143	MTH void refcnt_inc () const { ++refcnt; }
		144	MTH void refcnt_dec () const { --refcnt; }
		145
		146	MTH int refcnt_cnt () const;
		147	// check wether the object has died and destroy
		148	MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
		149
		150	// destroy the object unless it was already destroyed
		151	// this politely asks everybody interested the reduce
		152	// the refcount to 0 as soon as possible.
		153	MTH void destroy ();
		154
		155	// return wether an object was destroyed already
		156	MTH bool destroyed () const { return flags & F_DESTROYED; }
		157
		158	virtual void gather_callbacks (AV *&callbacks, event_type event) const;
		159
		160	#if 0
		161	private:
		162	static refcounted *rc_first;
		163	refcounted *rc_next;
		164	#endif
		165
		166	HV *self; // CF+ perl self
87	AV *cb; // CF+ perl self and callback	167	AV *cb; // CF+ callbacks
88	const char *attach; // generic extension attachment information	168	shstr attach; // generic extension attachment information
89		169
90	void clear (); // called when free'ing objects	170	void sever_self (); // sever this object from its self, if it has one.
91	void optimise (); // possibly save some memory by destroying unneeded data	171	void optimise (); // possibly save some memory by destroying unneeded data
92	void instantiate (data_type type, void *obj);
93		172
94	void attachable_init ()	173	attachable ()
		174	: flags (0), refcnt (0), self (0), cb (0), attach (0)
95	{	175	{
96	self = 0;
97	cb = 0;
98	attach = 0;
99	}	176	}
100	};
101		177
102	// objects attachable from perl (or any other extension) should include or	178	attachable (const attachable &src)
103	// derive using the curiously recurring template pattern, to avoid	179	: flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
104	// virtual method calls etc.	180	{
105	template<class subclass>	181	}
106	struct attachable : attachable_base	182
107	{	183	virtual ~attachable ();
		184
		185	attachable &operator =(const attachable &src);
		186
		187	bool invoke (event_type event, ...);
108	void instantiate ()	188	MTH void instantiate ();
109	{	189	void reattach ();
110	if (attach)
111	attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
112	}
113	};
114		190
		191	protected:
		192	// do the real refcount checking work
		193	void do_check ();
		194
		195	// the method that does the real destroy work
		196	virtual void do_destroy ();
		197	};
		198
		199	// the global object is a pseudo object that cares for the global events
		200	struct global : attachable
		201	{
		202	void gather_callbacks (AV *&callbacks, event_type event) const;
		203	};
		204
		205	extern struct global gbl_ev;
		206
		207	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		208
115	struct object_freezer	209	struct object_freezer : dynbuf
116	{	210	{
117	AV *av;	211	AV *av;
118	SV *text;
119		212
120	object_freezer ();	213	object_freezer ();
121	~object_freezer ();	214	~object_freezer ();
122		215
123	void put (attachable_base *ext);	216	void put (attachable *ext);
124		217
125	template<class subclass>	218	// used only for user-defined key-value pairs
126	void put (attachable<subclass> *obj)	219	void put (const shstr &k, const shstr &v)
127	{	220	{
128	put ((attachable_base *)obj);	221	add (k);
129	}
130		222
131	void put (keyword k);	223	if (v)
		224	add (' '), add (v);
		225
		226	add ('\n');
		227	}
		228
		229	//TODO//temporary, used only for saving body locations
132	void put (const char *v);	230	void put (const char *k, int v)
133	void put (int v);	231	{
		232	add (k);
		233	add (' ');
		234	add (sint32 (v));
		235	add ('\n');
		236	}
134		237
135	template<typename value>	238	template<typename T>
		239	void put_string (keyword k, const T &v)
		240	{
		241	int klen = keyword_len [k];
		242	int vlen = v ? strlen (v) + 1 : 0;
		243
		244	char p = (char )alloc (klen + vlen + 1);
		245
		246	memcpy (p, keyword_str [k], klen); p += klen;
		247
		248	if (v)
		249	{
		250	*p++ = ' '; vlen--;
		251	memcpy (p, v, vlen); p += vlen;
		252	}
		253
		254	*p = '\n';
		255	}
		256
		257	void put (keyword k, const char *v = 0)
		258	{
		259	put_string (k, v);
		260	}
		261
		262	void put (keyword k, const shstr &v)
		263	{
		264	put_string (k, v);
		265	}
		266
136	void put (keyword k, value v)	267	void put (keyword k, double v)
137	{	268	{
138	put (k);	269	char buf [128];
		270
		271	snprintf (buf, 128, "%.7g", v);
		272
		273	put (k, (const char *)buf);
		274	}
		275
		276	void put_(keyword k, sint64 v)
		277	{
		278	add (keyword_str [k], keyword_len [k]);
		279	add (' ');
139	put (v);	280	add (v);
		281	add ('\n');
140	}	282	}
141		283
		284	void put_(keyword k, sint32 v)
		285	{
		286	add (keyword_str [k], keyword_len [k]);
		287	add (' ');
		288	add (v);
		289	add ('\n');
		290	}
		291
		292	void put (keyword kbeg, keyword kend, const shstr &v)
		293	{
		294	add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
		295
		296	if (v)
		297	{
		298	add (v);
		299	add ('\n');
		300	}
		301
		302	add (keyword_str [kend], keyword_len [kend]); add ('\n');
		303	}
		304
		305	void put (keyword k, float v) { put (k, (double)v); }
		306	void put (keyword k, signed char v) { put_(k, (sint32)v); }
		307	void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
		308	void put (keyword k, signed short v) { put_(k, (sint32)v); }
		309	void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
		310	void put (keyword k, signed int v) { put_(k, (sint32)v); }
		311	void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
		312	void put (keyword k, signed long v) { put_(k, (sint64)v); }
		313	void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
		314	void put (keyword k, signed long long v) { put_(k, (sint64)v); }
		315	void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
		316
		317	template<typename T>
		318	void put (keyword k, const T *v)
		319	{
		320	if (v)
		321	put (k, v->name);
		322	else
		323	put (k, (const char *)0);
		324	}
		325
		326	template<typename T>
		327	void put (keyword k, const refptr<T> &v)
		328	{
		329	put (k, (T *)v);
		330	}
		331
142	bool save (const char *filename);	332	bool save (const char *path);
		333	char *as_string (); // like strdup
143		334
144	operator bool () { return !!av; }	335	operator bool () { return !!av; }
145	};	336	};
146		337
147	// compatibility support, should be removed when no longer needed	338	// compatibility support, should be removed when no longer needed
148	int fprintf (object_freezer &freezer, const char *format, ...);	339	int fprintf (object_freezer &freezer, const char *format, ...);
149	int fputs (const char *s, object_freezer &freezer);	340	int fputs (const char *s, object_freezer &freezer);
150		341
151	// a single key-value line from a file
152	struct token {
153	keyword k;
154	const char *v;
155
156	token (keyword k, const char *v = 0) : k(k), v(v) { }
157	};
158
159	struct object_thawer	342	struct object_thawer
160	{	343	{
161	AV *av;	344	SV *text; // text part
162	FILE *fp;	345	AV *av; // perl part
163	char line[1024];	346	int linenum;
		347	char *line; // current beginning of line
		348	char last_keyword, last_value;
		349	const char *name;
164		350
		351	operator bool () { return !!text; }
		352
165	object_thawer (const char *filename = 0);	353	object_thawer (const char *path = 0);
		354	object_thawer (const char data, AV perlav);
166	~object_thawer ();	355	~object_thawer ();
167		356
168	void get (data_type type, void obj, attachable_base ext, int oid);
169
170	template<class subclass>
171	void get (attachable<subclass> *obj, int oid)	357	void get (attachable *obj, int oid);
172	{
173	if (av)
174	get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
175	}
176		358
177	token get_token ();	359	keyword get_kv (); // also parse value for later use
		360	void skip_kv (keyword kw);
178		361
179	operator FILE *() { return fp; }	362	const char *get_str () { return last_value; } // may be 0
		363
		364	void get (shstr &sh) const;
		365	void get_ornull (shstr &sh) const { sh = last_value; }
		366	void get_ml (keyword kend, shstr &sh);
		367
		368	sint32 get_sint32 () const;
		369	sint64 get_sint64 () const;
		370	double get_double () const;
		371
		372	void get (float &v) { v = get_double (); }
		373	void get (double &v) { v = get_double (); }
		374
		375	void get (bool &i) { i = get_sint32 (); }
		376	void get (sint8 &i) { i = get_sint32 (); }
		377	void get (uint8 &i) { i = get_sint32 (); }
		378	void get (sint16 &i) { i = get_sint32 (); }
		379	void get (uint16 &i) { i = get_sint32 (); }
		380	void get (sint32 &i) { i = get_sint32 (); }
		381
		382	void get (uint32 &i) { i = get_sint64 (); }
		383	void get (sint64 &i) { i = get_sint64 (); }
		384
		385	bool parse_error (keyword kw, const char type = 0, const char name = 0, bool skip = true);
		386	};
		387
		388	//TODO: remove
		389	char fgets (char s, int n, object_thawer &thawer);
		390
		391	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		392
		393	struct coroapi {
		394	static struct CoroAPI *GCoroAPI;
		395
		396	static int nready () { return CORO_NREADY; }
		397	static int cede () { return CORO_CEDE ; }
		398
		399	static int cede_counter;
		400
		401	static void cede_every (int count)
		402	{
		403	if (++cede_counter >= count)
		404	{
		405	cede_counter = 0;
		406
		407	if (coroapi::nready ())
		408	coroapi::cede ();
		409	}
		410	}
		411	};
		412
		413	struct watcher_base
		414	{
		415	static struct EventAPI *GEventAPI;
		416	};
		417
		418	template<class base>
		419	struct watcher : watcher_base
		420	{
		421	base *pe;
		422
		423	void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
		424	void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
		425	void now () { GEventAPI->now ((pe_watcher *)pe); }
		426	void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
		427	void resume () { GEventAPI->resume ((pe_watcher *)pe); }
		428
		429	void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
		430
		431	~watcher ()
		432	{
		433	cancel ();
		434	}
		435
		436	private:
		437	void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
		438	};
		439
		440	struct iw : watcher<pe_idle>, callback<void (iw &)>
		441	{
		442	template<class O, class M>
		443	iw (O object, M method)
		444	: callback<void (iw &)> (object, method)
		445	{
		446	alloc ();
		447	}
		448
		449	private:
		450	void alloc ();
		451	};
		452
		453	struct iow : watcher<pe_io>, callback<void (iow &, int)>
		454	{
		455	template<class O, class M>
		456	iow (O object, M method)
		457	: callback<void (iow &, int)> (object, method)
		458	{
		459	alloc ();
		460	}
		461
		462	void fd (int fd);
		463	int poll ();
		464	void poll (int events);
		465
		466	private:
		467	void alloc ();
180	};	468	};
181		469
182	#endif	470	#endif
183		471

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Comparing deliantra/server/include/cfperl.h (file contents): Revision 1.18 by root, Thu Aug 31 09:19:34 2006 UTC vs. Revision 1.54 by root, Sun Feb 11 01:38:48 2007 UTC

Diff Legend

Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.18 by root, Thu Aug 31 09:19:34 2006 UTC vs.
Revision 1.54 by root, Sun Feb 11 01:38:48 2007 UTC