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

Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.16 by root, Wed Aug 30 16:30:37 2006 UTC vs.
Revision 1.42 by root, Sat Dec 30 10:16:10 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>
		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	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
13		24
14	// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)	25	// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
15	#undef localtime	26	#undef localtime
16	#undef srand48	27	#undef srand48
17	#undef drand48	28	#undef drand48
…		…
20	#undef getprotobyname	31	#undef getprotobyname
21	#undef gethostbyname	32	#undef gethostbyname
22	#undef ctime	33	#undef ctime
23	#undef strerror	34	#undef strerror
24		35
		36	// same here, massive symbol spamming
		37	#undef do_open
		38	#undef do_close
		39	#undef ref
		40
25	// perl bug #40256: perl does overwrite those with reentrant versions	41	// perl bug #40256: perl does overwrite those with reentrant versions
26	// but does not initialise their state structures.	42	// but does not initialise their state structures.
27	#undef random	43	#undef random
28	#undef crypt	44	#undef crypt
29		45
30	struct pl;	46	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
31	struct object;	47
32	struct mapstruct;	48	// some macros to simplify perl in-calls
		49
		50	// FUNCTION is, afaik, a gnu extension
		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	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
33		62
34	void cfperl_init ();	63	void cfperl_init ();
35	void cfperl_boot ();
36	void cfperl_main ();	64	void cfperl_main ();
37		65
38	// could have used templates, but a more traditional C api	66	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
39	// uses more explicit typing which is ok for this purpose.
40	enum data_type
41	{
42	DT_END, // no further arguments
43	DT_AV, // perl-only av that needs to be flattened out
44	DT_INT,
45	DT_INT64,
46	DT_DOUBLE,
47	DT_STRING, // 0-terminated string
48	DT_DATA, // string + length
49	DT_OBJECT,
50	DT_MAP,
51	DT_PLAYER,
52	DT_ARCH,
53	DT_PARTY,
54	DT_REGION,
55		67
56	NUM_DATA_TYPES	68	// virtual server time, excluding time jumps and lag
57	};	69	extern double runtime;
58		70
59	enum event_klass	71	enum event_klass
60	{	72	{
61	KLASS_NONE,	73	KLASS_NONE,
62	KLASS_GLOBAL,	74	KLASS_GLOBAL,
		75	KLASS_ATTACHABLE,
		76	KLASS_CLIENT,
63	KLASS_PLAYER,	77	KLASS_PLAYER,
64	KLASS_OBJECT,	78	KLASS_OBJECT,
65	KLASS_MAP,	79	KLASS_MAP,
		80	KLASS_COMMAND,
66	};	81	};
67		82
68	enum event_type	83	enum event_type
69	{	84	{
70	# define def(klass,name) EVENT_ ## klass ## _ ## name,	85	# define def(klass,name) EVENT_ ## klass ## _ ## name,
71	# include "eventinc.h"	86	# include "eventinc.h"
72	# undef def	87	# undef def
73	NUM_EVENT_TYPES	88	NUM_EVENT_TYPES
74	};	89	};
75		90
76	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)	91	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
77	#define ARG_INT(v) DT_INT , static_cast<int> (v)	92	#define ARG_INT(v) DT_INT , static_cast<int> (v)
78	#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)	93	#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
79	#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)	94	#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
80	#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)	95	#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
81	#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)
82	#define ARG_OBJECT(o) DT_OBJECT, (void )static_cast<struct object > (o)	97	#define ARG_OBJECT(o) DT_OBJECT, (void )(static_cast<object > (o))
83	#define ARG_MAP(o) DT_MAP , (void )static_cast<struct mapstruct > (o)	98	#define ARG_MAP(o) DT_MAP , (void )(static_cast<maptile > (o))
84	#define ARG_PLAYER(o) DT_PLAYER, (void )static_cast<struct pl > (o)	99	#define ARG_PLAYER(o) DT_PLAYER, (void )(static_cast<player > (o))
85	#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))
86	#define ARG_PARTY(o) DT_PARTY , (void )static_cast<struct party > (o)	102	#define ARG_PARTY(o) DT_PARTY , (void )(static_cast<party > (o))
87	#define ARG_REGION(o) DT_REGION, (void )static_cast<struct region > (o)	103	#define ARG_REGION(o) DT_REGION, (void )(static_cast<region > (o))
88		104
89	// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension	105	// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
90		106
91	// 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)
92	#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
93
94	#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
95	#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)
96	#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)
97	#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)
98	#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)
99		114
100	//TODO should index into @result	115	//TODO should index into @result
101	#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)
102	#define RESULT_INT(idx) RESULT(idx, INT)	118	#define RESULT_INT(idx) RESULT(idx, INT)
103		119
104	bool cfperl_invoke (event_type event, ...);	120	double cfperl_result_DOUBLE (int idx);
105	int cfperl_result_INT (int idx);	121	int cfperl_result_INT (int idx);
106		122
		123	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		124
107	struct attachable_base	125	struct attachable
108	{	126	{
109	struct sv *self;	127	static MGVTBL vtbl;
110	struct av *cb; // CF+ perl self and callback	128
		129	static unordered_vector<attachable *> mortals;
		130	static void check_mortals ();
		131
		132	enum {
		133	F_DESTROYED = 0x01,
		134	F_BORROWED = 0x02,
		135	};
		136
		137	// object is delete'd after the refcount reaches 0
		138	mutable int refcnt;
		139	int flags;
		140
		141	void refcnt_inc () const { ++refcnt; }
		142	void refcnt_dec () const { --refcnt; }
		143
		144	// check wether the object has died and destroy
		145	void refcnt_chk () { if (refcnt <= 0) do_check (); }
		146
		147	// destroy the object unless it was already destroyed
		148	// this politely asks everybody interested the reduce
		149	// the refcount to 0 as soon as possible.
		150	void destroy ();
		151
		152	// return wether an object was destroyed already
		153	bool destroyed () const { return flags & F_DESTROYED; }
		154
		155	virtual void gather_callbacks (AV *&callbacks, event_type event) const;
		156
		157	#if 0
		158	private:
		159	static refcounted *rc_first;
		160	refcounted *rc_next;
		161	#endif
		162
		163	HV *self; // CF+ perl self
		164	AV *cb; // CF+ callbacks
111	const char *attach; // generic extension attachment information	165	shstr attach; // generic extension attachment information
112		166
113	void clear (); // called when free'ing objects
114	void optimise (); // possibly save some memory by destroying unneeded data	167	void optimise (); // possibly save some memory by destroying unneeded data
115	void instantiate (data_type type, void *obj);
116		168
117	void attachable_init ()	169	attachable ()
		170	: flags (0), refcnt (0), self (0), cb (0), attach (0)
118	{	171	{
119	self = 0;
120	cb = 0;
121	attach = 0;
122	}	172	}
123	};
124		173
125	// objects attachable from perl (or any other extension) should include or	174	attachable (const attachable &src)
126	// derive using the curiously recurring template pattern, to avoid	175	: flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
127	// virtual method calls etc.
128	template<class subclass>
129	struct attachable : attachable_base
130	{
131	static data_type get_dt ()
132	{	176	{
133	return subclass::get_dt ();
134	}	177	}
135		178
		179	virtual ~attachable ();
		180
		181	attachable &operator =(const attachable &src);
		182
		183	bool invoke (event_type event, ...);
136	void instantiate ()	184	void instantiate ();
137	{	185	void reattach ();
138	if (attach)
139	attachable_base::instantiate (get_dt (), static_cast<subclass *>(this));
140	}
141	};
142		186
143	struct object_freezethaw	187	protected:
144	{	188	// do the real refcount checking work
145	struct av *av;	189	void do_check ();
146	};
147		190
148	struct object_freezer : object_freezethaw	191	// the method that does the real destroy work
149	{	192	virtual void do_destroy ();
150	struct sv *text;	193	};
151	void *filename;
152		194
153	object_freezer (const char *filename);	195	// the global object is a pseudo object that cares for the global events
		196	struct global : attachable
		197	{
		198	void gather_callbacks (AV *&callbacks, event_type event) const;
		199	};
		200
		201	extern struct global gbl_ev;
		202
		203	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		204
		205	struct object_freezer : dynbuf
		206	{
		207	AV *av;
		208
		209	object_freezer ();
154	~object_freezer ();	210	~object_freezer ();
155		211
156	void put (attachable_base *ext);	212	void put (attachable *ext);
157		213
158	template<class subclass>	214	// used only for user-defined key-value pairs
159	void put (attachable<subclass> *obj)	215	void put (const shstr &k, const shstr &v)
160	{	216	{
161	put ((attachable_base *)obj);	217	add (k);
		218
		219	if (v)
		220	add (' '), add (v);
		221
		222	add ('\n');
162	}	223	}
		224
		225	//TODO//temporary, used only for saving body locations
		226	void put (const char *k, int v)
		227	{
		228	add (k);
		229	add (' ');
		230	add (sint32 (v));
		231	add ('\n');
		232	}
		233
		234	template<typename T>
		235	void put_string (keyword k, const T &v)
		236	{
		237	int klen = keyword_len [k];
		238	int vlen = v ? strlen (v) + 1 : 0;
		239
		240	char p = (char )alloc (klen + vlen + 1);
		241
		242	memcpy (p, keyword_str [k], klen); p += klen;
		243
		244	if (v)
		245	{
		246	*p++ = ' '; vlen--;
		247	memcpy (p, v, vlen); p += vlen;
		248	}
		249
		250	*p = '\n';
		251	}
		252
		253	void put (keyword k, const char *v)
		254	{
		255	put_string (k, v);
		256	}
		257
		258	void put (keyword k, const shstr &v)
		259	{
		260	put_string (k, v);
		261	}
		262
		263	void put (keyword k, double v)
		264	{
		265	char buf [128];
		266
		267	snprintf (buf, 128, "%.7g", v);
		268
		269	put (k, (const char *)buf);
		270	}
		271
		272	void put_(keyword k, sint64 v)
		273	{
		274	add (keyword_str [k], keyword_len [k]);
		275	add (' ');
		276	add (v);
		277	add ('\n');
		278	}
		279
		280	void put_(keyword k, sint32 v)
		281	{
		282	add (keyword_str [k], keyword_len [k]);
		283	add (' ');
		284	add (v);
		285	add ('\n');
		286	}
		287
		288	void put (keyword kbeg, keyword kend, const shstr &v)
		289	{
		290	add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
		291
		292	if (v)
		293	{
		294	add (v);
		295	add ('\n');
		296	}
		297
		298	add (keyword_str [kend], keyword_len [kend]); add ('\n');
		299	}
		300
		301	void put (keyword k, float v) { put (k, (double)v); }
		302	void put (keyword k, signed char v) { put_(k, (sint32)v); }
		303	void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
		304	void put (keyword k, signed short v) { put_(k, (sint32)v); }
		305	void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
		306	void put (keyword k, signed int v) { put_(k, (sint32)v); }
		307	void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
		308	void put (keyword k, signed long v) { put_(k, (sint64)v); }
		309	void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
		310	void put (keyword k, signed long long v) { put_(k, (sint64)v); }
		311	void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
		312
		313	template<typename T>
		314	void put (keyword k, const T *v)
		315	{
		316	if (v)
		317	put (k, v->name);
		318	else
		319	put (k, (const char *)0);
		320	}
		321
		322	template<typename T>
		323	void put (keyword k, const refptr<T> &v)
		324	{
		325	put (k, (T *)v);
		326	}
		327
		328	bool save (const char *filename);
		329	char *as_string (); // like strdup
163		330
164	operator bool () { return !!av; }	331	operator bool () { return !!av; }
165	};
166
167	struct object_thawer : object_freezethaw
168	{
169	FILE *fp;
170
171	object_thawer (const char *filename = 0);
172	~object_thawer ();
173
174	void get (data_type type, void obj, attachable_base ext, int oid);
175
176	template<class subclass>
177	void get (attachable<subclass> *obj, int oid)
178	{
179	if (av)
180	get (subclass::get_dt (), (subclass *)obj, obj, oid);
181	}
182
183	operator FILE *() { return fp; }
184	};	332	};
185		333
186	// compatibility support, should be removed when no longer needed	334	// compatibility support, should be removed when no longer needed
187	int fprintf (object_freezer &freezer, const char *format, ...);	335	int fprintf (object_freezer &freezer, const char *format, ...);
188	int fputs (const char *s, object_freezer &freezer);	336	int fputs (const char *s, object_freezer &freezer);
189		337
		338	struct object_thawer
		339	{
		340	SV *text; // text part
		341	AV *av; // perl part
		342	char *line; // current beginning of line
		343	char last_keyword, last_value;
		344
		345	operator bool () { return !!text; }
		346
		347	object_thawer (const char *filename = 0);
		348	object_thawer (const char data, AV perlav);
		349	~object_thawer ();
		350
		351	void get (attachable *obj, int oid);
		352
		353	keyword get_kv (); // also parse value for later use
		354	void skip_kv (keyword kw);
		355
		356	const char *get_str () { return last_value; } // may be 0
		357
		358	void get (shstr &sh) const;
		359	void get_ornull (shstr &sh) const { sh = last_value; }
		360	void get_ml (keyword kend, shstr &sh);
		361
		362	sint32 get_sint32 () const;
		363	sint64 get_sint64 () const;
		364	double get_double () const;
		365
		366	void get (float &v) { v = get_double (); }
		367	void get (double &v) { v = get_double (); }
		368
		369	void get (bool &i) { i = get_sint32 (); }
		370	void get (sint8 &i) { i = get_sint32 (); }
		371	void get (uint8 &i) { i = get_sint32 (); }
		372	void get (sint16 &i) { i = get_sint32 (); }
		373	void get (uint16 &i) { i = get_sint32 (); }
		374	void get (sint32 &i) { i = get_sint32 (); }
		375
		376	void get (uint32 &i) { i = get_sint64 (); }
		377	void get (sint64 &i) { i = get_sint64 (); }
		378	};
		379
		380	char fgets (char s, int n, object_thawer &thawer);
		381
		382	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		383
		384	struct coroapi {
		385	static struct CoroAPI *GCoroAPI;
		386
		387	static int nready () { return CORO_NREADY; }
		388	static int cede () { return CORO_CEDE ; }
		389	};
		390
		391	struct watcher_base
		392	{
		393	static struct EventAPI *GEventAPI;
		394	};
		395
		396	template<class base>
		397	struct watcher : watcher_base
		398	{
		399	base *pe;
		400
		401	void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
		402	void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
		403	void now () { GEventAPI->now ((pe_watcher *)pe); }
		404	void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
		405	void resume () { GEventAPI->resume ((pe_watcher *)pe); }
		406
		407	void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
		408
		409	~watcher ()
		410	{
		411	cancel ();
		412	}
		413
		414	private:
		415	void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
		416	};
		417
		418	struct iw : watcher<pe_idle>, callback<void (iw &)>
		419	{
		420	template<class O, class M>
		421	iw (O object, M method)
		422	: callback<void (iw &)> (object, method)
		423	{
		424	alloc ();
		425	}
		426
		427	private:
		428	void alloc ();
		429	};
		430
		431	struct iow : watcher<pe_io>, callback<void (iow &, int)>
		432	{
		433	template<class O, class M>
		434	iow (O object, M method)
		435	: callback<void (iow &, int)> (object, method)
		436	{
		437	alloc ();
		438	}
		439
		440	void fd (int fd);
		441	int poll ();
		442	void poll (int events);
		443
		444	private:
		445	void alloc ();
		446	};
		447
190	#endif	448	#endif
191		449

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Comparing deliantra/server/include/cfperl.h (file contents): Revision 1.16 by root, Wed Aug 30 16:30:37 2006 UTC vs. Revision 1.42 by root, Sat Dec 30 10:16:10 2006 UTC

Diff Legend

Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.16 by root, Wed Aug 30 16:30:37 2006 UTC vs.
Revision 1.42 by root, Sat Dec 30 10:16:10 2006 UTC