[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 1.43 by root, Sat Dec 30 15:07:59 2006 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
27	// perl bug #40256: perl does overwrite those with reentrant versions	41	// perl bug #40256: perl does overwrite those with reentrant versions
28	// but does not initialise their state structures.	42	// but does not initialise their state structures.
29	#undef random	43	#undef random
30	#undef crypt	44	#undef crypt
31		45
		46	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		47
		48	// some macros to simplify perl in-calls
		49
		50	#define CHECK_ERROR \
		51	if (SvTRUE (ERRSV)) \
		52	LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
		53
		54	#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
		55	#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
		56	#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
		57	#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) \| G_EVAL); SPAGAIN;
		58	#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
		59
		60	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		61
32	void cfperl_init ();	62	void cfperl_init ();
33	void cfperl_boot ();
34	void cfperl_main ();	63	void cfperl_main ();
		64
		65	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		66
		67	// virtual server time, excluding time jumps and lag
		68	extern double runtime;
35		69
36	enum event_klass	70	enum event_klass
37	{	71	{
38	KLASS_NONE,	72	KLASS_NONE,
39	KLASS_GLOBAL,	73	KLASS_GLOBAL,
		74	KLASS_ATTACHABLE,
		75	KLASS_CLIENT,
40	KLASS_PLAYER,	76	KLASS_PLAYER,
41	KLASS_OBJECT,	77	KLASS_OBJECT,
42	KLASS_MAP,	78	KLASS_MAP,
		79	KLASS_COMMAND,
43	};	80	};
44		81
45	enum event_type	82	enum event_type
46	{	83	{
47	# define def(klass,name) EVENT_ ## klass ## _ ## name,	84	# define def(klass,name) EVENT_ ## klass ## _ ## name,
48	# include "eventinc.h"	85	# include "eventinc.h"
49	# undef def	86	# undef def
50	NUM_EVENT_TYPES	87	NUM_EVENT_TYPES
51	};	88	};
52		89
53	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)	90	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
54	#define ARG_INT(v) DT_INT , static_cast<int> (v)	91	#define ARG_INT(v) DT_INT , static_cast<int> (v)
55	#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)	92	#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
56	#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)	93	#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
57	#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)	94	#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)	95	#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)	96	#define ARG_OBJECT(o) DT_OBJECT, (void )(static_cast<object > (o))
60	#define ARG_MAP(o) DT_MAP , (void )static_cast<struct mapstruct > (o)	97	#define ARG_MAP(o) DT_MAP , (void )(static_cast<maptile > (o))
61	#define ARG_PLAYER(o) DT_PLAYER, (void )static_cast<struct pl > (o)	98	#define ARG_PLAYER(o) DT_PLAYER, (void )(static_cast<player > (o))
62	#define ARG_ARCH(o) DT_ARCH , (void )static_cast<struct archetype > (o)	99	#define ARG_ARCH(o) DT_ARCH , (void )(static_cast<archetype > (o))
		100	#define ARG_CLIENT(o) DT_CLIENT, (void )(static_cast<client > (o))
63	#define ARG_PARTY(o) DT_PARTY , (void )static_cast<struct party > (o)	101	#define ARG_PARTY(o) DT_PARTY , (void )(static_cast<party > (o))
64	#define ARG_REGION(o) DT_REGION, (void )static_cast<struct region > (o)	102	#define ARG_REGION(o) DT_REGION, (void )(static_cast<region > (o))
65		103
66	// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension	104	// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
67		105
68	// all these return true when the normal event processing should be skipped (if any)	106	// 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__)	107	#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__)	108	#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__)	109	#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__)	110	#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
		111	#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
		112	#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
76		113
77	//TODO should index into @result	114	//TODO should index into @result
78	#define RESULT(idx,type) cfperl_result_ ## type (idx)	115	#define RESULT(idx,type) cfperl_result_ ## type (idx)
		116	#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
79	#define RESULT_INT(idx) RESULT(idx, INT)	117	#define RESULT_INT(idx) RESULT(idx, INT)
80		118
81	bool cfperl_invoke (event_type event, ...);	119	double cfperl_result_DOUBLE (int idx);
82	int cfperl_result_INT (int idx);	120	int cfperl_result_INT (int idx);
83		121
		122	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		123
84	struct attachable_base	124	struct attachable
85	{	125	{
86	SV *self;	126	static MGVTBL vtbl;
		127
		128	static unordered_vector<attachable *> mortals;
		129	static void check_mortals ();
		130
		131	enum {
		132	F_DESTROYED = 0x01,
		133	F_BORROWED = 0x02,
		134	};
		135
		136	// object is delete'd after the refcount reaches 0
		137	mutable int refcnt;
		138	int flags;
		139
		140	void refcnt_inc () const { ++refcnt; }
		141	void refcnt_dec () const { --refcnt; }
		142
		143	// check wether the object has died and destroy
		144	void refcnt_chk () { if (refcnt <= 0) do_check (); }
		145
		146	// destroy the object unless it was already destroyed
		147	// this politely asks everybody interested the reduce
		148	// the refcount to 0 as soon as possible.
		149	void destroy ();
		150
		151	// return wether an object was destroyed already
		152	bool destroyed () const { return flags & F_DESTROYED; }
		153
		154	virtual void gather_callbacks (AV *&callbacks, event_type event) const;
		155
		156	#if 0
		157	private:
		158	static refcounted *rc_first;
		159	refcounted *rc_next;
		160	#endif
		161
		162	HV *self; // CF+ perl self
87	AV *cb; // CF+ perl self and callback	163	AV *cb; // CF+ callbacks
88	const char *attach; // generic extension attachment information	164	shstr attach; // generic extension attachment information
89		165
90	void clear (); // called when free'ing objects
91	void optimise (); // possibly save some memory by destroying unneeded data	166	void optimise (); // possibly save some memory by destroying unneeded data
92	void instantiate (data_type type, void *obj);
93		167
94	void attachable_init ()	168	attachable ()
		169	: flags (0), refcnt (0), self (0), cb (0), attach (0)
95	{	170	{
96	self = 0;
97	cb = 0;
98	attach = 0;
99	}	171	}
100	};
101		172
102	// objects attachable from perl (or any other extension) should include or	173	attachable (const attachable &src)
103	// derive using the curiously recurring template pattern, to avoid	174	: flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
104	// virtual method calls etc.	175	{
105	template<class subclass>	176	}
106	struct attachable : attachable_base	177
107	{	178	virtual ~attachable ();
		179
		180	attachable &operator =(const attachable &src);
		181
		182	bool invoke (event_type event, ...);
108	void instantiate ()	183	void instantiate ();
109	{	184	void reattach ();
110	if (attach)
111	attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
112	}
113	};
114		185
		186	protected:
		187	// do the real refcount checking work
		188	void do_check ();
		189
		190	// the method that does the real destroy work
		191	virtual void do_destroy ();
		192	};
		193
		194	// the global object is a pseudo object that cares for the global events
		195	struct global : attachable
		196	{
		197	void gather_callbacks (AV *&callbacks, event_type event) const;
		198	};
		199
		200	extern struct global gbl_ev;
		201
		202	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		203
115	struct object_freezer	204	struct object_freezer : dynbuf
116	{	205	{
117	AV *av;	206	AV *av;
118	SV *text;
119		207
120	object_freezer ();	208	object_freezer ();
121	~object_freezer ();	209	~object_freezer ();
122		210
123	void put (attachable_base *ext);	211	void put (attachable *ext);
124		212
125	template<class subclass>	213	// used only for user-defined key-value pairs
126	void put (attachable<subclass> *obj)	214	void put (const shstr &k, const shstr &v)
127	{	215	{
128	put ((attachable_base *)obj);	216	add (k);
129	}
130		217
131	void put (keyword k);	218	if (v)
		219	add (' '), add (v);
		220
		221	add ('\n');
		222	}
		223
		224	//TODO//temporary, used only for saving body locations
132	void put (const char *v);	225	void put (const char *k, int v)
133	void put (int v);	226	{
		227	add (k);
		228	add (' ');
		229	add (sint32 (v));
		230	add ('\n');
		231	}
134		232
135	template<typename value>	233	template<typename T>
		234	void put_string (keyword k, const T &v)
		235	{
		236	int klen = keyword_len [k];
		237	int vlen = v ? strlen (v) + 1 : 0;
		238
		239	char p = (char )alloc (klen + vlen + 1);
		240
		241	memcpy (p, keyword_str [k], klen); p += klen;
		242
		243	if (v)
		244	{
		245	*p++ = ' '; vlen--;
		246	memcpy (p, v, vlen); p += vlen;
		247	}
		248
		249	*p = '\n';
		250	}
		251
		252	void put (keyword k, const char *v)
		253	{
		254	put_string (k, v);
		255	}
		256
		257	void put (keyword k, const shstr &v)
		258	{
		259	put_string (k, v);
		260	}
		261
136	void put (keyword k, value v)	262	void put (keyword k, double v)
137	{	263	{
138	put (k);	264	char buf [128];
		265
		266	snprintf (buf, 128, "%.7g", v);
		267
		268	put (k, (const char *)buf);
		269	}
		270
		271	void put_(keyword k, sint64 v)
		272	{
		273	add (keyword_str [k], keyword_len [k]);
		274	add (' ');
139	put (v);	275	add (v);
		276	add ('\n');
		277	}
		278
		279	void put_(keyword k, sint32 v)
		280	{
		281	add (keyword_str [k], keyword_len [k]);
		282	add (' ');
		283	add (v);
		284	add ('\n');
		285	}
		286
		287	void put (keyword kbeg, keyword kend, const shstr &v)
		288	{
		289	add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
		290
		291	if (v)
		292	{
		293	add (v);
		294	add ('\n');
		295	}
		296
		297	add (keyword_str [kend], keyword_len [kend]); add ('\n');
		298	}
		299
		300	void put (keyword k, float v) { put (k, (double)v); }
		301	void put (keyword k, signed char v) { put_(k, (sint32)v); }
		302	void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
		303	void put (keyword k, signed short v) { put_(k, (sint32)v); }
		304	void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
		305	void put (keyword k, signed int v) { put_(k, (sint32)v); }
		306	void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
		307	void put (keyword k, signed long v) { put_(k, (sint64)v); }
		308	void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
		309	void put (keyword k, signed long long v) { put_(k, (sint64)v); }
		310	void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
		311
		312	template<typename T>
		313	void put (keyword k, const T *v)
		314	{
		315	if (v)
		316	put (k, v->name);
		317	else
		318	put (k, (const char *)0);
		319	}
		320
		321	template<typename T>
		322	void put (keyword k, const refptr<T> &v)
		323	{
		324	put (k, (T *)v);
140	}	325	}
141		326
142	bool save (const char *filename);	327	bool save (const char *filename);
		328	char *as_string (); // like strdup
143		329
144	operator bool () { return !!av; }	330	operator bool () { return !!av; }
145	};	331	};
146		332
147	// compatibility support, should be removed when no longer needed	333	// compatibility support, should be removed when no longer needed
148	int fprintf (object_freezer &freezer, const char *format, ...);	334	int fprintf (object_freezer &freezer, const char *format, ...);
149	int fputs (const char *s, object_freezer &freezer);	335	int fputs (const char *s, object_freezer &freezer);
150		336
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	337	struct object_thawer
160	{	338	{
161	AV *av;	339	SV *text; // text part
162	FILE *fp;	340	AV *av; // perl part
163	char line[1024];	341	char *line; // current beginning of line
		342	char last_keyword, last_value;
		343
		344	operator bool () { return !!text; }
164		345
165	object_thawer (const char *filename = 0);	346	object_thawer (const char *filename = 0);
		347	object_thawer (const char data, AV perlav);
166	~object_thawer ();	348	~object_thawer ();
167		349
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)	350	void get (attachable *obj, int oid);
172	{
173	if (av)
174	get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
175	}
176		351
177	token get_token ();	352	keyword get_kv (); // also parse value for later use
		353	void skip_kv (keyword kw);
178		354
179	operator FILE *() { return fp; }	355	const char *get_str () { return last_value; } // may be 0
		356
		357	void get (shstr &sh) const;
		358	void get_ornull (shstr &sh) const { sh = last_value; }
		359	void get_ml (keyword kend, shstr &sh);
		360
		361	sint32 get_sint32 () const;
		362	sint64 get_sint64 () const;
		363	double get_double () const;
		364
		365	void get (float &v) { v = get_double (); }
		366	void get (double &v) { v = get_double (); }
		367
		368	void get (bool &i) { i = get_sint32 (); }
		369	void get (sint8 &i) { i = get_sint32 (); }
		370	void get (uint8 &i) { i = get_sint32 (); }
		371	void get (sint16 &i) { i = get_sint32 (); }
		372	void get (uint16 &i) { i = get_sint32 (); }
		373	void get (sint32 &i) { i = get_sint32 (); }
		374
		375	void get (uint32 &i) { i = get_sint64 (); }
		376	void get (sint64 &i) { i = get_sint64 (); }
		377	};
		378
		379	char fgets (char s, int n, object_thawer &thawer);
		380
		381	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		382
		383	struct coroapi {
		384	static struct CoroAPI *GCoroAPI;
		385
		386	static int nready () { return CORO_NREADY; }
		387	static int cede () { return CORO_CEDE ; }
		388	};
		389
		390	struct watcher_base
		391	{
		392	static struct EventAPI *GEventAPI;
		393	};
		394
		395	template<class base>
		396	struct watcher : watcher_base
		397	{
		398	base *pe;
		399
		400	void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
		401	void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
		402	void now () { GEventAPI->now ((pe_watcher *)pe); }
		403	void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
		404	void resume () { GEventAPI->resume ((pe_watcher *)pe); }
		405
		406	void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
		407
		408	~watcher ()
		409	{
		410	cancel ();
		411	}
		412
		413	private:
		414	void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
		415	};
		416
		417	struct iw : watcher<pe_idle>, callback<void (iw &)>
		418	{
		419	template<class O, class M>
		420	iw (O object, M method)
		421	: callback<void (iw &)> (object, method)
		422	{
		423	alloc ();
		424	}
		425
		426	private:
		427	void alloc ();
		428	};
		429
		430	struct iow : watcher<pe_io>, callback<void (iow &, int)>
		431	{
		432	template<class O, class M>
		433	iow (O object, M method)
		434	: callback<void (iow &, int)> (object, method)
		435	{
		436	alloc ();
		437	}
		438
		439	void fd (int fd);
		440	int poll ();
		441	void poll (int events);
		442
		443	private:
		444	void alloc ();
180	};	445	};
181		446
182	#endif	447	#endif
183		448

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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 1.43 by root, Sat Dec 30 15:07:59 2006 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 1.43 by root, Sat Dec 30 15:07:59 2006 UTC