[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 1.64 by root, Sat May 19 00:08:11 2007 UTC

…		…
2	// cfperl.h perl interface	2	// cfperl.h perl interface
3	//	3	//
4	#ifndef CFPERL_H__	4	#ifndef CFPERL_H__
5	#define CFPERL_H__	5	#define CFPERL_H__
6		6
		7	#include <cstdarg>
7	#include <cstdio>	8	#include <cstdio>
		9	#include <bitset>
8		10
9	using namespace std;	11	using namespace std;
10		12
11	#include <EXTERN.h>	13	#include <EXTERN.h>
12	#include <perl.h>	14	#include <perl.h>
		15	#include <XSUB.h>
13		16
		17	#include <EventAPI.h>
		18	#include <CoroAPI.h>
		19
		20	#include "util.h"
14	#include "keyword.h"	21	#include "keyword.h"
		22	#include "dynbuf.h"
		23	#include "callback.h"
		24
		25	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
15		26
16	// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)	27	// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
17	#undef localtime	28	#undef localtime
18	#undef srand48	29	#undef srand48
19	#undef drand48	30	#undef drand48
…		…
22	#undef getprotobyname	33	#undef getprotobyname
23	#undef gethostbyname	34	#undef gethostbyname
24	#undef ctime	35	#undef ctime
25	#undef strerror	36	#undef strerror
26		37
		38	// same here, massive symbol spamming
		39	#undef do_open
		40	#undef do_close
		41	#undef ref
		42	#undef seed
		43
27	// perl bug #40256: perl does overwrite those with reentrant versions	44	// perl bug #40256: perl does overwrite those with reentrant versions
28	// but does not initialise their state structures.	45	// but does not initialise their state structures.
29	#undef random	46	#undef random
30	#undef crypt	47	#undef crypt
31		48
		49	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		50
		51	// some macros to simplify perl in-calls
		52
		53	#define CHECK_ERROR \
		54	if (SvTRUE (ERRSV)) \
		55	LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
		56
		57	#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
		58	#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
		59	#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
		60	#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) \| G_EVAL); SPAGAIN;
		61	#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
		62
		63	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		64
32	void cfperl_init ();	65	void cfperl_init ();
33	void cfperl_boot ();
34	void cfperl_main ();	66	void cfperl_main ();
		67	void cfperl_emergency_save ();
		68	void cfperl_cleanup (int make_core);
		69
		70	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		71
		72	// virtual server time, excluding time jumps and lag
		73	extern double runtime;
35		74
36	enum event_klass	75	enum event_klass
37	{	76	{
38	KLASS_NONE,	77	KLASS_NONE,
39	KLASS_GLOBAL,	78	KLASS_GLOBAL,
		79	KLASS_ATTACHABLE,
		80	KLASS_CLIENT,
40	KLASS_PLAYER,	81	KLASS_PLAYER,
41	KLASS_OBJECT,	82	KLASS_OBJECT,
42	KLASS_MAP,	83	KLASS_MAP,
		84	KLASS_COMMAND,
43	};	85	};
44		86
45	enum event_type	87	enum event_type
46	{	88	{
47	# define def(klass,name) EVENT_ ## klass ## _ ## name,	89	# define def(klass,name) EVENT_ ## klass ## _ ## name,
48	# include "eventinc.h"	90	# include "eventinc.h"
49	# undef def	91	# undef def
50	NUM_EVENT_TYPES	92	NUM_EVENT_TYPES
51	};	93	};
52		94
		95	// in which global events or per-type events are we interested
		96	extern bitset<NUM_EVENT_TYPES> ev_want_event;
		97	extern bitset<NUM_TYPES> ev_want_type;
		98
53	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)	99	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
54	#define ARG_INT(v) DT_INT , static_cast<int> (v)	100	#define ARG_INT(v) DT_INT , static_cast<int> (v)
55	#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)	101	#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
56	#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)	102	#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
57	#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)	103	#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)	104	#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)	105	#define ARG_OBJECT(o) DT_OBJECT, (void )(static_cast<object > (o))
60	#define ARG_MAP(o) DT_MAP , (void )static_cast<struct mapstruct > (o)	106	#define ARG_MAP(o) DT_MAP , (void )(static_cast<maptile > (o))
61	#define ARG_PLAYER(o) DT_PLAYER, (void )static_cast<struct pl > (o)	107	#define ARG_PLAYER(o) DT_PLAYER, (void )(static_cast<player > (o))
62	#define ARG_ARCH(o) DT_ARCH , (void )static_cast<struct archetype > (o)	108	#define ARG_ARCH(o) DT_ARCH , (void )(static_cast<archetype > (o))
		109	#define ARG_CLIENT(o) DT_CLIENT, (void )(static_cast<client > (o))
63	#define ARG_PARTY(o) DT_PARTY , (void )static_cast<struct party > (o)	110	#define ARG_PARTY(o) DT_PARTY , (void )(static_cast<party > (o))
64	#define ARG_REGION(o) DT_REGION, (void )static_cast<struct region > (o)	111	#define ARG_REGION(o) DT_REGION, (void )(static_cast<region > (o))
65		112
66	// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension	113	// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
67		114
68	// all these return true when the normal event processing should be skipped (if any)	115	// 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__)	116	#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__)	117	#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__)	118	#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__)	119	#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
		120	#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
		121	#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
76		122
77	//TODO should index into @result	123	//TODO should index into @result
78	#define RESULT(idx,type) cfperl_result_ ## type (idx)	124	#define RESULT(idx,type) cfperl_result_ ## type (idx)
		125	#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
79	#define RESULT_INT(idx) RESULT(idx, INT)	126	#define RESULT_INT(idx) RESULT(idx, INT)
80		127
81	bool cfperl_invoke (event_type event, ...);	128	double cfperl_result_DOUBLE (int idx);
82	int cfperl_result_INT (int idx);	129	int cfperl_result_INT (int idx);
83		130
		131	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		132
		133	INTERFACE_CLASS (attachable)
84	struct attachable_base	134	struct attachable
85	{	135	{
86	SV *self;	136	static MGVTBL vtbl;
		137
		138	static unordered_vector<attachable *> mortals;
		139	MTH static void check_mortals ();
		140
		141	enum {
		142	F_DESTROYED = 0x01,
		143	F_DEBUG_TRACE = 0x02,
		144	};
		145
		146	// object is delete'd after the refcount reaches 0
		147	int ACC (RW, flags);
		148	mutable int ACC (RW, refcnt);
		149
		150	MTH void refcnt_inc () const { ++refcnt; }
		151	MTH void refcnt_dec () const { --refcnt; }
		152
		153	MTH int refcnt_cnt () const;
		154	// check wether the object has died and destroy
		155	MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
		156
		157	// destroy the object unless it was already destroyed
		158	// this politely asks everybody interested the reduce
		159	// the refcount to 0 as soon as possible.
		160	MTH void destroy ();
		161
		162	// return wether an object was destroyed already
		163	MTH bool destroyed () const { return flags & F_DESTROYED; }
		164
		165	virtual void gather_callbacks (AV *&callbacks, event_type event) const;
		166
		167	#if 0
		168	private:
		169	static refcounted *rc_first;
		170	refcounted *rc_next;
		171	#endif
		172
		173	HV *self; // CF+ perl self
87	AV *cb; // CF+ perl self and callback	174	AV *cb; // CF+ callbacks
88	const char *attach; // generic extension attachment information	175	shstr attach; // generic extension attachment information
89		176
90	void clear (); // called when free'ing objects	177	void sever_self (); // sever this object from its self, if it has one.
91	void optimise (); // possibly save some memory by destroying unneeded data	178	void optimise (); // possibly save some memory by destroying unneeded data
92	void instantiate (data_type type, void *obj);
93		179
94	void attachable_init ()	180	attachable ()
		181	: flags (0), refcnt (0), self (0), cb (0), attach (0)
95	{	182	{
96	self = 0;
97	cb = 0;
98	attach = 0;
99	}	183	}
100	};
101		184
102	// objects attachable from perl (or any other extension) should include or	185	attachable (const attachable &src)
103	// derive using the curiously recurring template pattern, to avoid	186	: flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
104	// virtual method calls etc.	187	{
105	template<class subclass>	188	}
106	struct attachable : attachable_base	189
107	{	190	virtual ~attachable ();
		191
		192	attachable &operator =(const attachable &src);
		193
		194	bool vinvoke (event_type event, va_list &ap);
		195	bool invoke (event_type event, ...)
		196	{
		197	if (ev_want_event [event] \|\| cb)
		198	{
		199	va_list ap;
		200	va_start (ap, event);
		201	vinvoke (event, ap);
		202	va_end (ap);
		203	}
		204	}
		205
108	void instantiate ()	206	MTH void instantiate ();
109	{	207	void reattach ();
110	if (attach)
111	attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
112	}
113	};
114		208
		209	protected:
		210	// do the real refcount checking work
		211	void do_check ();
		212
		213	// the method that does the real destroy work
		214	virtual void do_destroy ();
		215	};
		216
		217	// the global object is a pseudo object that cares for the global events
		218	struct global : attachable
		219	{
		220	void gather_callbacks (AV *&callbacks, event_type event) const;
		221	};
		222
		223	extern struct global gbl_ev;
		224
		225	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		226
115	struct object_freezer	227	struct object_freezer : dynbuf_text
116	{	228	{
117	AV *av;	229	AV *av;
118	SV *text;
119		230
120	object_freezer ();	231	object_freezer ();
121	~object_freezer ();	232	~object_freezer ();
122		233
123	void put (attachable_base *ext);	234	void put (attachable *ext);
124		235
125	template<class subclass>	236	// used only for user-defined key-value pairs
126	void put (attachable<subclass> *obj)	237	void put (const shstr &k, const shstr &v)
127	{	238	{
128	put ((attachable_base *)obj);	239	add (k);
129	}
130		240
131	void put (keyword k);	241	if (v)
		242	add (' '), add (v);
		243
		244	add ('\n');
		245	}
		246
		247	//TODO//temporary, used only for saving body locations
132	void put (const char *v);	248	void put (const char *k, int v)
133	void put (int v);	249	{
		250	add (k);
		251	add (' ');
		252	add (sint32 (v));
		253	add ('\n');
		254	}
134		255
135	template<typename value>	256	template<typename T>
		257	void put_string (keyword k, const T &v)
		258	{
		259	int klen = keyword_len [k];
		260	int vlen = v ? strlen (v) + 1 : 0;
		261
		262	char p = (char )alloc (klen + vlen + 1);
		263
		264	memcpy (p, keyword_str [k], klen); p += klen;
		265
		266	if (v)
		267	{
		268	*p++ = ' '; vlen--;
		269	memcpy (p, v, vlen); p += vlen;
		270	}
		271
		272	*p = '\n';
		273	}
		274
		275	void put (keyword k, const char *v = 0)
		276	{
		277	put_string (k, v);
		278	}
		279
		280	void put (keyword k, const shstr &v)
		281	{
		282	put_string (k, v);
		283	}
		284
136	void put (keyword k, value v)	285	void put (keyword k, double v)
137	{	286	{
138	put (k);	287	char buf [128];
		288
		289	snprintf (buf, 128, "%.7g", v);
		290
		291	put (k, (const char *)buf);
		292	}
		293
		294	void put_(keyword k, sint64 v)
		295	{
		296	add (keyword_str [k], keyword_len [k]);
		297	add (' ');
139	put (v);	298	add (v);
		299	add ('\n');
140	}	300	}
141		301
		302	void put_(keyword k, sint32 v)
		303	{
		304	add (keyword_str [k], keyword_len [k]);
		305	add (' ');
		306	add (v);
		307	add ('\n');
		308	}
		309
		310	void put (keyword kbeg, keyword kend, const shstr &v)
		311	{
		312	add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
		313
		314	if (v)
		315	{
		316	add (v);
		317	add ('\n');
		318	}
		319
		320	add (keyword_str [kend], keyword_len [kend]); add ('\n');
		321	}
		322
		323	void put (keyword k, float v) { put (k, (double)v); }
		324	void put (keyword k, signed char v) { put_(k, (sint32)v); }
		325	void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
		326	void put (keyword k, signed short v) { put_(k, (sint32)v); }
		327	void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
		328	void put (keyword k, signed int v) { put_(k, (sint32)v); }
		329	void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
		330	void put (keyword k, signed long v) { put_(k, (sint64)v); }
		331	void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
		332	void put (keyword k, signed long long v) { put_(k, (sint64)v); }
		333	void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
		334
		335	template<typename T>
		336	void put (keyword k, const T *v)
		337	{
		338	if (v)
		339	put (k, v->name);
		340	else
		341	put (k, (const char *)0);
		342	}
		343
		344	template<typename T>
		345	void put (keyword k, const refptr<T> &v)
		346	{
		347	put (k, (T *)v);
		348	}
		349
142	bool save (const char *filename);	350	bool save (const char *path);
		351	char *as_string (); // like strdup
143		352
144	operator bool () { return !!av; }	353	operator bool () { return !!av; }
145	};	354	};
146		355
147	// compatibility support, should be removed when no longer needed	356	// compatibility support, should be removed when no longer needed
148	int fprintf (object_freezer &freezer, const char *format, ...);	357	void fprintf (object_freezer &freezer, const char *format, ...);
149	int fputs (const char *s, object_freezer &freezer);	358	void fputs (const char *s, object_freezer &freezer);
150
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		359
159	struct object_thawer	360	struct object_thawer
160	{	361	{
161	AV *av;	362	SV *text; // text part
162	FILE *fp;	363	AV *av; // perl part
163	char line[1024];	364	int linenum;
		365	char *line; // current beginning of line
		366	keyword kw;
		367	char kw_str, value;
		368	const char *name;
164		369
		370	operator bool () { return !!text; }
		371
165	object_thawer (const char *filename = 0);	372	object_thawer (const char *path = 0);
		373	object_thawer (const char data, AV perlav);
166	~object_thawer ();	374	~object_thawer ();
167		375
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)	376	void get (attachable *obj, int oid);
172	{
173	if (av)
174	get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
175	}
176		377
177	token get_token ();	378	// parse next line
		379	void next ();
		380	// skip the current key-value (usually fetch next line, for
		381	// multiline-fields, skips untilt he corresponding end-kw
		382	void skip ();
178		383
179	operator FILE *() { return fp; }	384	//TODO: remove, deprecated
		385	keyword get_kv ()
		386	{
		387	next ();
		388	return kw;
		389	}
		390
		391	char *get_str () { return value; } // may be 0
		392
		393	void get (shstr &sh) const;
		394	void get_ornull (shstr &sh) const { sh = value; }
		395	void get_ml (keyword kend, shstr &sh);
		396
		397	sint32 get_sint32 () const;
		398	sint64 get_sint64 () const;
		399	double get_double () const;
		400
		401	void get (float &v) { v = get_double (); }
		402	void get (double &v) { v = get_double (); }
		403
		404	void get (bool &i) { i = get_sint32 (); }
		405	void get (sint8 &i) { i = get_sint32 (); }
		406	void get (uint8 &i) { i = get_sint32 (); }
		407	void get (sint16 &i) { i = get_sint32 (); }
		408	void get (uint16 &i) { i = get_sint32 (); }
		409	void get (sint32 &i) { i = get_sint32 (); }
		410
		411	void get (uint32 &i) { i = get_sint64 (); }
		412	void get (sint64 &i) { i = get_sint64 (); }
		413
		414	bool parse_error (const char type = 0, const char name = 0, bool skip = true);
		415	};
		416
		417	//TODO: remove
		418	char fgets (char s, int n, object_thawer &thawer);
		419
		420	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		421
		422	struct coroapi {
		423	static struct CoroAPI *GCoroAPI;
		424
		425	static int nready () { return CORO_NREADY; }
		426	static int cede () { return CORO_CEDE ; }
		427
		428	static double (*time)();
		429	static double next_cede;
		430	static int cede_counter;
		431
		432	static void do_cede_every ();
		433	static void do_cede_to_tick ();
		434	static void do_cede_to_tick_every ();
		435
		436	static void cede_every (int count)
		437	{
		438	if (++cede_counter >= count)
		439	do_cede_every ();
		440	}
		441
		442	static void cede_to_tick ()
		443	{
		444	if (time () >= next_cede)
		445	do_cede_to_tick ();
		446	}
		447
		448	static void cede_to_tick_every (int count)
		449	{
		450	if (++cede_counter >= count)
		451	cede_to_tick ();
		452	}
		453
		454	static void wait_for_tick ();
		455	static void wait_for_tick_begin ();
		456	};
		457
		458	struct watcher_base
		459	{
		460	static struct EventAPI *GEventAPI;
		461	};
		462
		463	template<class base>
		464	struct watcher : watcher_base
		465	{
		466	base *pe;
		467
		468	void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
		469	void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
		470	void now () { GEventAPI->now ((pe_watcher *)pe); }
		471	void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
		472	void resume () { GEventAPI->resume ((pe_watcher *)pe); }
		473
		474	void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
		475
		476	~watcher ()
		477	{
		478	cancel ();
		479	}
		480
		481	private:
		482	void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
		483	};
		484
		485	struct iw : watcher<pe_idle>, callback<void (iw &)>
		486	{
		487	template<class O, class M>
		488	iw (O object, M method)
		489	: callback<void (iw &)> (object, method)
		490	{
		491	alloc ();
		492	}
		493
		494	private:
		495	void alloc ();
		496	};
		497
		498	struct iow : watcher<pe_io>, callback<void (iow &, int)>
		499	{
		500	template<class O, class M>
		501	iow (O object, M method)
		502	: callback<void (iow &, int)> (object, method)
		503	{
		504	alloc ();
		505	}
		506
		507	void fd (int fd);
		508	int poll ();
		509	void poll (int events);
		510
		511	private:
		512	void alloc ();
180	};	513	};
181		514
182	#endif	515	#endif
183		516

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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 1.64 by root, Sat May 19 00:08:11 2007 UTC

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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 1.64 by root, Sat May 19 00:08:11 2007 UTC