[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.53 by root, Tue Aug 29 13:11:58 2006 UTC vs.
Revision 1.71 by root, Sun Oct 1 10:59:30 2006 UTC

…		…
11	use Event;	11	use Event;
12	$Event::Eval = 1; # no idea why this is required, but it is	12	$Event::Eval = 1; # no idea why this is required, but it is
13		13
14	use strict;	14	use strict;
15		15
16	_reload_1;	16	_init_vars;
17		17
18	our %COMMAND = ();	18	our %COMMAND = ();
19	our @EVENT;	19	our @EVENT;
20	our %PROP_TYPE;
21	our %PROP_IDX;
22	our $LIBDIR = maps_directory "perl";	20	our $LIBDIR = maps_directory "perl";
23		21
24	our $TICK = MAX_TIME * 1e-6;	22	our $TICK = MAX_TIME * 1e-6;
25	our $TICK_WATCHER;	23	our $TICK_WATCHER;
26	our $NEXT_TICK;	24	our $NEXT_TICK;
		25
		26	our %CFG;
		27
		28	#############################################################################
		29
		30	=head2 GLOBAL VARIABLES
		31
		32	=over 4
		33
		34	=item $cf::LIBDIR
		35
		36	The perl library directory, where extensions and cf-specific modules can
		37	be found. It will be added to C<@INC> automatically.
		38
		39	=item $cf::TICK
		40
		41	The interval between server ticks, in seconds.
		42
		43	=item %cf::CFG
		44
		45	Configuration for the server, loaded from C</etc/crossfire/config>, or
		46	from wherever your confdir points to.
		47
		48	=back
		49
		50	=cut
27		51
28	BEGIN {	52	BEGIN {
29	*CORE::GLOBAL::warn = sub {	53	*CORE::GLOBAL::warn = sub {
30	my $msg = join "", @_;	54	my $msg = join "", @_;
31	$msg .= "\n"	55	$msg .= "\n"
…		…
34	print STDERR "cfperl: $msg";	58	print STDERR "cfperl: $msg";
35	LOG llevError, "cfperl: $msg";	59	LOG llevError, "cfperl: $msg";
36	};	60	};
37	}	61	}
38		62
39	my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply!
40
41	# generate property mutators
42	sub prop_gen {
43	my ($prefix, $class) = @_;
44
45	no strict 'refs';
46
47	for my $prop (keys %PROP_TYPE) {
48	$prop =~ /^\Q$prefix\E_(.*$)/ or next;
49	my $sub = lc $1;
50
51	my $type = $PROP_TYPE{$prop};
52	my $idx = $PROP_IDX {$prop};
53
54	{"$class\::get_$sub"} = {"$class\::$sub"} = sub {
55	$_[0]->get_property ($type, $idx)
56	};
57
58	*{"$class\::set_$sub"} = sub {
59	$_[0]->set_property ($type, $idx, $_[1]);
60	} unless $ignore_set{$prop};
61	}
62	}
63
64	# auto-generate most of the API
65
66	prop_gen OBJECT_PROP => "cf::object";
67	# CFAPI_OBJECT_ANIMATION?
68	prop_gen PLAYER_PROP => "cf::object::player";
69
70	prop_gen MAP_PROP => "cf::map";
71	prop_gen ARCH_PROP => "cf::arch";
72
73	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	63	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
74		64
75	# we bless all objects into (empty) derived classes to force a method lookup	65	# we bless all objects into (empty) derived classes to force a method lookup
76	# within the Safe compartment.	66	# within the Safe compartment.
77	for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {	67	for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {
…		…
87	my @exts;	77	my @exts;
88	my @hook;	78	my @hook;
89	my %command;	79	my %command;
90	my %extcmd;	80	my %extcmd;
91		81
92	#############################################################################	82	=head2 UTILITY FUNCTIONS
93	# utility functions	83
		84	=over 4
		85
		86	=cut
94		87
95	use JSON::Syck (); # TODO# replace by JSON::PC once working	88	use JSON::Syck (); # TODO# replace by JSON::PC once working
		89
		90	=item $ref = cf::from_json $json
		91
		92	Converts a JSON string into the corresponding perl data structure.
		93
		94	=cut
96		95
97	sub from_json($) {	96	sub from_json($) {
98	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs	97	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
99	JSON::Syck::Load $_[0]	98	JSON::Syck::Load $_[0]
100	}	99	}
101		100
		101	=item $json = cf::to_json $ref
		102
		103	Converts a perl data structure into its JSON representation.
		104
		105	=cut
		106
102	sub to_json($) {	107	sub to_json($) {
103	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	108	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
104	JSON::Syck::Dump $_[0]	109	JSON::Syck::Dump $_[0]
105	}	110	}
106		111
		112	=back
		113
		114	=cut
		115
107	#############################################################################	116	#############################################################################
108	# "new" plug-in system	117
		118	=head2 EVENTS AND OBJECT ATTACHMENTS
		119
		120	=over 4
109		121
110	=item $object->attach ($attachment, key => $value...)	122	=item $object->attach ($attachment, key => $value...)
111		123
112	=item $object->detach ($attachment)	124	=item $object->detach ($attachment)
113		125
…		…
122	=item $map->attach ($attachment, key => $value...)	134	=item $map->attach ($attachment, key => $value...)
123		135
124	=item $map->detach ($attachment)	136	=item $map->detach ($attachment)
125		137
126	Attach/detach a pre-registered attachment to a map.	138	Attach/detach a pre-registered attachment to a map.
		139
		140	=item $bool = $object->attached ($name)
		141
		142	=item $bool = $player->attached ($name)
		143
		144	=item $bool = $map->attached ($name)
		145
		146	Checks wether the named attachment is currently attached to the object.
127		147
128	=item cf::attach_global ...	148	=item cf::attach_global ...
129		149
130	Attach handlers for global events.	150	Attach handlers for global events.
131		151
…		…
181	Attach handlers to all maps.	201	Attach handlers to all maps.
182		202
183	=item cf:register_attachment $name, ...	203	=item cf:register_attachment $name, ...
184		204
185	Register an attachment by name through which objects can refer to this	205	Register an attachment by name through which objects can refer to this
		206	attachment.
		207
		208	=item cf:register_player_attachment $name, ...
		209
		210	Register an attachment by name through which players can refer to this
186	attachment.	211	attachment.
187		212
188	=item cf:register_map_attachment $name, ...	213	=item cf:register_map_attachment $name, ...
189		214
190	Register an attachment by name through which maps can refer to this	215	Register an attachment by name through which maps can refer to this
…		…
261	}	286	}
262		287
263	sub _attach_attachment {	288	sub _attach_attachment {
264	my ($obj, $name, %arg) = @_;	289	my ($obj, $name, %arg) = @_;
265		290
		291	return if exists $obj->{_attachment}{$name};
		292
266	my $res;	293	my $res;
267		294
268	if (my $attach = $attachment{$name}) {	295	if (my $attach = $attachment{$name}) {
269	my $registry = $obj->registry;	296	my $registry = $obj->registry;
270		297
…		…
282		309
283	$res->{attachment} = $name;	310	$res->{attachment} = $name;
284	$res	311	$res
285	}	312	}
286		313
287	sub cf::object::attach {	314	*cf::object::attach =
		315	*cf::player::attach =
		316	*cf::map::attach = sub {
288	my ($obj, $name, %arg) = @_;	317	my ($obj, $name, %arg) = @_;
289		318
290	_attach_attachment $obj, $name, %arg;	319	_attach_attachment $obj, $name, %arg;
291	}	320	};
292		321
293	sub cf::player::attach {	322	# all those should be optimised
294	my ($obj, $name, %arg) = @_;
295
296	_attach_attachment $obj, $name, %arg;
297	}
298
299	sub cf::map::attach {
300	my ($obj, $name, %arg) = @_;
301
302	_attach_attachment $obj, $name, %arg;
303	}
304
305	sub cf::object::detach {	323	*cf::object::detach =
		324	*cf::player::detach =
		325	*cf::map::detach = sub {
306	my ($obj, $name) = @_;	326	my ($obj, $name) = @_;
307	die;#d#	327
308	}	328	delete $obj->{_attachment}{$name};
309	sub cf::player::detach {	329	reattach ($obj);
		330	};
		331
		332	*cf::object::attached =
		333	*cf::player::attached =
		334	*cf::map::attached = sub {
310	my ($obj, $name) = @_;	335	my ($obj, $name) = @_;
311	die;#d#	336
312	}	337	exists $obj->{_attachment}{$name}
313	sub cf::map::detach {	338	};
314	my ($obj, $name) = @_;
315	die;#d#
316	}
317		339
318	sub attach_global {	340	sub attach_global {
319	_attach @CB_GLOBAL, KLASS_GLOBAL, @_	341	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
320	}	342	}
321		343
…		…
342	my $name = shift;	364	my $name = shift;
343		365
344	$attachment{$name} = [[KLASS_OBJECT, @_]];	366	$attachment{$name} = [[KLASS_OBJECT, @_]];
345	}	367	}
346		368
		369	sub register_player_attachment {
		370	my $name = shift;
		371
		372	$attachment{$name} = [[KLASS_PLAYER, @_]];
		373	}
		374
347	sub register_map_attachment {	375	sub register_map_attachment {
348	my $name = shift;	376	my $name = shift;
349		377
350	$attachment{$name} = [[KLASS_MAP, @_]];	378	$attachment{$name} = [[KLASS_MAP, @_]];
351	}	379	}
…		…
369	for (@$callbacks) {	397	for (@$callbacks) {
370	eval { &{$_->[1]} };	398	eval { &{$_->[1]} };
371		399
372	if ($@) {	400	if ($@) {
373	warn "$@";	401	warn "$@";
374	warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n";	402	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
375	override;	403	override;
376	}	404	}
377		405
378	return 1 if $override;	406	return 1 if $override;
379	}	407	}
380		408
381	0	409	0
382	}	410	}
		411
		412	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...
		413
		414	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
		415
		416	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
		417
		418	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
		419
		420	Generate a global/object/player/map-specific event with the given arguments.
		421
		422	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
		423	removed in future versions), and there is no public API to access override
		424	results (if you must, access C<@cf::invoke_results> directly).
		425
		426	=back
		427
		428	=cut
		429
		430	#############################################################################
		431
		432	=head2 METHODS VALID FOR ALL CORE OBJECTS
		433
		434	=over 4
		435
		436	=item $object->valid, $player->valid, $map->valid
		437
		438	Just because you have a perl object does not mean that the corresponding
		439	C-level object still exists. If you try to access an object that has no
		440	valid C counterpart anymore you get an exception at runtime. This method
		441	can be used to test for existence of the C object part without causing an
		442	exception.
		443
		444	=back
		445
		446	=cut
		447
		448	*cf::object::valid =
		449	*cf::player::valid =
		450	*cf::map::valid = \&cf::_valid;
383		451
384	#############################################################################	452	#############################################################################
385	# object support	453	# object support
386		454
387	sub instantiate {	455	sub instantiate {
…		…
416	}	484	}
417	}	485	}
418	}	486	}
419		487
420	sub object_freezer_save {	488	sub object_freezer_save {
421	my ($filename, $objs) = @_;	489	my ($filename, $rdata, $objs) = @_;
422		490
423	if (@$objs) {	491	if (length $$rdata) {
		492	warn sprintf "saving %s (%d,%d)\n",
		493	$filename, length $$rdata, scalar @$objs;
		494
424	open my $fh, ">:raw", "$filename.pst~";	495	if (open my $fh, ">:raw", "$filename~") {
		496	chmod SAVE_MODE, $fh;
		497	syswrite $fh, $$rdata;
		498	close $fh;
		499
		500	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
		501	chmod SAVE_MODE, $fh;
425	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	502	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
426	close $fh;	503	close $fh;
427	chmod SAVE_MODE, "$filename.pst~";
428	rename "$filename.pst~", "$filename.pst";	504	rename "$filename.pst~", "$filename.pst";
		505	} else {
		506	unlink "$filename.pst";
		507	}
		508
		509	rename "$filename~", $filename;
		510	} else {
		511	warn "FATAL: $filename~: $!\n";
		512	}
429	} else {	513	} else {
		514	unlink $filename;
430	unlink "$filename.pst";	515	unlink "$filename.pst";
431	}	516	}
432
433	chmod SAVE_MODE, "$filename~";
434	rename "$filename~", $filename;
435	}	517	}
436		518
437	sub object_thawer_load {	519	sub object_thawer_load {
438	my ($filename) = @_;	520	my ($filename) = @_;
439		521
		522	local $/;
		523
		524	my $av;
		525
		526	#TODO: use sysread etc.
		527	if (open my $data, "<:raw:perlio", $filename) {
		528	$data = <$data>;
440	open my $fh, "<:raw:perlio", "$filename.pst"	529	if (open my $pst, "<:raw:perlio", "$filename.pst") {
441	or return;	530	$av = eval { (Storable::thaw <$pst>)->{objs} };
		531	}
		532	return ($data, $av);
		533	}
442		534
443	eval { local $/; (Storable::thaw <$fh>)->{objs} }	535	()
444	}	536	}
445		537
446	attach_to_objects	538	attach_to_objects
447	prio => -1000000,	539	prio => -1000000,
448	on_clone => sub {	540	on_clone => sub {
…		…
594	load_extension $ext;	686	load_extension $ext;
595	1	687	1
596	} or warn "$ext not loaded: $@";	688	} or warn "$ext not loaded: $@";
597	}	689	}
598	}	690	}
599
600	sub _perl_reload(&) {
601	my ($msg) = @_;
602
603	$msg->("reloading...");
604
605	eval {
606	# 1. cancel all watchers
607	$_->cancel for Event::all_watchers;
608
609	# 2. unload all extensions
610	for (@exts) {
611	$msg->("unloading <$_>");
612	unload_extension $_;
613	}
614
615	# 3. unload all modules loaded from $LIBDIR
616	while (my ($k, $v) = each %INC) {
617	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
618
619	$msg->("removing <$k>");
620	delete $INC{$k};
621
622	$k =~ s/\.pm$//;
623	$k =~ s/\//::/g;
624
625	if (my $cb = $k->can ("unload_module")) {
626	$cb->();
627	}
628
629	Symbol::delete_package $k;
630	}
631
632	# 4. get rid of safe::, as good as possible
633	Symbol::delete_package "safe::$_"
634	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);
635
636	# 5. remove register_script_function callbacks
637	# TODO
638
639	# 6. unload cf.pm "a bit"
640	delete $INC{"cf.pm"};
641
642	# don't, removes xs symbols, too,
643	# and global variables created in xs
644	#Symbol::delete_package __PACKAGE__;
645
646	# 7. reload cf.pm
647	$msg->("reloading cf.pm");
648	require cf;
649	};
650	$msg->($@) if $@;
651
652	$msg->("reloaded");
653	};
654
655	sub perl_reload() {
656	_perl_reload {
657	warn $_[0];
658	print "$_[0]\n";
659	};
660	}
661
662	register_command "perl-reload", 0, sub {
663	my ($who, $arg) = @_;
664
665	if ($who->flag (FLAG_WIZ)) {
666	_perl_reload {
667	warn $_[0];
668	$who->message ($_[0]);
669	};
670	}
671	};
672		691
673	#############################################################################	692	#############################################################################
674	# extcmd framework, basically convert ext <msg>	693	# extcmd framework, basically convert ext <msg>
675	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few	694	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
676		695
…		…
704	defined $path or return;	723	defined $path or return;
705		724
706	unlink "$path.pst";	725	unlink "$path.pst";
707	};	726	};
708		727
709	# old style persistent data, TODO: remove #d#
710	*cf::mapsupport::on_swapin =
711	*cf::mapsupport::on_load = sub {
712	my ($map) = @_;
713
714	my $path = $map->tmpname;
715	$path = $map->path unless defined $path;
716
717	open my $fh, "<:raw", "$path.cfperl"
718	or return; # no perl data
719
720	my $data = Storable::thaw do { local $/; <$fh> };
721
722	$data->{version} <= 1
723	or return; # too new
724
725	$map->_set_obs ($data->{obs});
726	$map->invoke (EVENT_MAP_UPGRADE);
727	};
728
729	attach_to_maps prio => -10000, package => cf::mapsupport::;	728	attach_to_maps prio => -10000, package => cf::mapsupport::;
730		729
731	#############################################################################	730	#############################################################################
732	# load/save perl data associated with player->ob objects	731	# load/save perl data associated with player->ob objects
733		732
734	sub all_objects(@) {	733	sub all_objects(@) {
735	@_, map all_objects ($_->inv), @_	734	@_, map all_objects ($_->inv), @_
736	}	735	}
737		736
		737	# TODO: compatibility cruft, remove when no longer needed
738	attach_to_players	738	attach_to_players
739	on_load => sub {	739	on_load => sub {
740	my ($pl, $path) = @_;	740	my ($pl, $path) = @_;
741		741
742	for my $o (all_objects $pl->ob) {	742	for my $o (all_objects $pl->ob) {
…		…
748	}	748	}
749	},	749	},
750	;	750	;
751		751
752	#############################################################################	752	#############################################################################
753	# core extensions - in perl	753
		754	=head2 CORE EXTENSIONS
		755
		756	Functions and methods that extend core crossfire objects.
		757
		758	=over 4
754		759
755	=item cf::player::exists $login	760	=item cf::player::exists $login
756		761
757	Returns true when the given account exists.	762	Returns true when the given account exists.
758		763
…		…
798	$msg{msgid} = $id;	803	$msg{msgid} = $id;
799		804
800	$self->send ("ext " . to_json \%msg);	805	$self->send ("ext " . to_json \%msg);
801	}	806	}
802		807
		808	=back
		809
		810	=cut
		811
803	#############################################################################	812	#############################################################################
804	# map scripting support	813
		814	=head2 SAFE SCRIPTING
		815
		816	Functions that provide a safe environment to compile and execute
		817	snippets of perl code without them endangering the safety of the server
		818	itself. Looping constructs, I/O operators and other built-in functionality
		819	is not available in the safe scripting environment, and the number of
		820	functions and methods that cna be called is greatly reduced.
		821
		822	=cut
805		823
806	our $safe = new Safe "safe";	824	our $safe = new Safe "safe";
807	our $safe_hole = new Safe::Hole;	825	our $safe_hole = new Safe::Hole;
808		826
809	$SIG{FPE} = 'IGNORE';	827	$SIG{FPE} = 'IGNORE';
810		828
811	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	829	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));
812		830
813	# here we export the classes and methods available to script code	831	# here we export the classes and methods available to script code
		832
		833	=pod
		834
		835	The following fucntions and emthods are available within a safe environment:
		836
		837	cf::object contr pay_amount pay_player
		838	cf::object::player player
		839	cf::player peaceful
		840
		841	=cut
814		842
815	for (	843	for (
816	["cf::object" => qw(contr pay_amount pay_player)],	844	["cf::object" => qw(contr pay_amount pay_player)],
817	["cf::object::player" => qw(player)],	845	["cf::object::player" => qw(player)],
818	["cf::player" => qw(peaceful)],	846	["cf::player" => qw(peaceful)],
…		…
821	my ($pkg, @funs) = @$_;	849	my ($pkg, @funs) = @$_;
822	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	850	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
823	for @funs;	851	for @funs;
824	}	852	}
825		853
		854	=over 4
		855
		856	=item @retval = safe_eval $code, [var => value, ...]
		857
		858	Compiled and executes the given perl code snippet. additional var/value
		859	pairs result in temporary local (my) scalar variables of the given name
		860	that are available in the code snippet. Example:
		861
		862	my $five = safe_eval '$first + $second', first => 1, second => 4;
		863
		864	=cut
		865
826	sub safe_eval($;@) {	866	sub safe_eval($;@) {
827	my ($code, %vars) = @_;	867	my ($code, %vars) = @_;
828		868
829	my $qcode = $code;	869	my $qcode = $code;
830	$qcode =~ s/"/‟/g; # not allowed in #line filenames	870	$qcode =~ s/"/‟/g; # not allowed in #line filenames
…		…
852	}	892	}
853		893
854	wantarray ? @res : $res[0]	894	wantarray ? @res : $res[0]
855	}	895	}
856		896
		897	=item cf::register_script_function $function => $cb
		898
		899	Register a function that can be called from within map/npc scripts. The
		900	function should be reasonably secure and should be put into a package name
		901	like the extension.
		902
		903	Example: register a function that gets called whenever a map script calls
		904	C<rent::overview>, as used by the C<rent> extension.
		905
		906	cf::register_script_function "rent::overview" => sub {
		907	...
		908	};
		909
		910	=cut
		911
857	sub register_script_function {	912	sub register_script_function {
858	my ($fun, $cb) = @_;	913	my ($fun, $cb) = @_;
859		914
860	no strict 'refs';	915	no strict 'refs';
861	*{"safe::$fun"} = $safe_hole->wrap ($cb);	916	*{"safe::$fun"} = $safe_hole->wrap ($cb);
862	}	917	}
863		918
		919	=back
		920
		921	=cut
		922
		923	#############################################################################
		924
		925	=head2 EXTENSION DATABASE SUPPORT
		926
		927	Crossfire maintains a very simple database for extension use. It can
		928	currently store anything that can be serialised using Storable, which
		929	excludes objects.
		930
		931	The parameter C<$family> should best start with the name of the extension
		932	using it, it should be unique.
		933
		934	=over 4
		935
		936	=item $hashref = cf::db_get $family
		937
		938	Return a hashref for use by the extension C<$family>, which can be
		939	modified. After modifications, you have to call C<cf::db_dirty> or
		940	C<cf::db_sync>.
		941
		942	=item $value = cf::db_get $family => $key
		943
		944	Returns a single value from the database
		945
		946	=item cf::db_put $family => $hashref
		947
		948	Stores the given family hashref into the database. Updates are delayed, if
		949	you want the data to be synced to disk immediately, use C<cf::db_sync>.
		950
		951	=item cf::db_put $family => $key => $value
		952
		953	Stores the given C<$value> in the family hash. Updates are delayed, if you
		954	want the data to be synced to disk immediately, use C<cf::db_sync>.
		955
		956	=item cf::db_dirty
		957
		958	Marks the database as dirty, to be updated at a later time.
		959
		960	=item cf::db_sync
		961
		962	Immediately write the database to disk I<if it is dirty>.
		963
		964	=cut
		965
		966	{
		967	my $db;
		968	my $path = cf::localdir . "/database.pst";
		969
		970	sub db_load() {
		971	warn "loading database $path\n";#d# remove later
		972	$db = stat $path ? Storable::retrieve $path : { };
		973	}
		974
		975	my $pid;
		976
		977	sub db_save() {
		978	warn "saving database $path\n";#d# remove later
		979	waitpid $pid, 0 if $pid;
		980	if (0 == ($pid = fork)) {
		981	$db->{_meta}{version} = 1;
		982	Storable::nstore $db, "$path~";
		983	rename "$path~", $path;
		984	cf::_exit 0 if defined $pid;
		985	}
		986	}
		987
		988	my $dirty;
		989
		990	sub db_sync() {
		991	db_save if $dirty;
		992	undef $dirty;
		993	}
		994
		995	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub {
		996	db_sync;
		997	});
		998
		999	sub db_dirty() {
		1000	$dirty = 1;
		1001	$idle->start;
		1002	}
		1003
		1004	sub db_get($;$) {
		1005	@_ >= 2
		1006	? $db->{$_[0]}{$_[1]}
		1007	: ($db->{$_[0]} \|\|= { })
		1008	}
		1009
		1010	sub db_put($$;$) {
		1011	if (@_ >= 3) {
		1012	$db->{$_[0]}{$_[1]} = $_[2];
		1013	} else {
		1014	$db->{$_[0]} = $_[1];
		1015	}
		1016	db_dirty;
		1017	}
		1018
		1019	attach_global
		1020	prio => 10000,
		1021	on_cleanup => sub {
		1022	db_sync;
		1023	},
		1024	;
		1025	}
		1026
864	#############################################################################	1027	#############################################################################
865	# the server's main()	1028	# the server's main()
866		1029
867	sub main {	1030	sub main {
		1031	db_load;
		1032	load_extensions;
868	Event::loop;	1033	Event::loop;
869	}	1034	}
870		1035
871	#############################################################################	1036	#############################################################################
872	# initialisation	1037	# initialisation
873		1038
		1039	sub _perl_reload(&) {
		1040	my ($msg) = @_;
		1041
		1042	$msg->("reloading...");
		1043
		1044	eval {
		1045	# cancel all watchers
		1046	$_->cancel for Event::all_watchers;
		1047
		1048	# unload all extensions
		1049	for (@exts) {
		1050	$msg->("unloading <$_>");
		1051	unload_extension $_;
		1052	}
		1053
		1054	# unload all modules loaded from $LIBDIR
		1055	while (my ($k, $v) = each %INC) {
		1056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		1057
		1058	$msg->("removing <$k>");
		1059	delete $INC{$k};
		1060
		1061	$k =~ s/\.pm$//;
		1062	$k =~ s/\//::/g;
		1063
		1064	if (my $cb = $k->can ("unload_module")) {
		1065	$cb->();
		1066	}
		1067
		1068	Symbol::delete_package $k;
		1069	}
		1070
		1071	# sync database to disk
		1072	cf::db_sync;
		1073
		1074	# get rid of safe::, as good as possible
		1075	Symbol::delete_package "safe::$_"
		1076	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);
		1077
		1078	# remove register_script_function callbacks
		1079	# TODO
		1080
		1081	# unload cf.pm "a bit"
		1082	delete $INC{"cf.pm"};
		1083
		1084	# don't, removes xs symbols, too,
		1085	# and global variables created in xs
		1086	#Symbol::delete_package __PACKAGE__;
		1087
		1088	# reload cf.pm
		1089	$msg->("reloading cf.pm");
		1090	require cf;
		1091
		1092	# load database again
		1093	cf::db_load;
		1094
		1095	# load extensions
		1096	$msg->("load extensions");
		1097	cf::load_extensions;
		1098
		1099	# reattach attachments to objects
		1100	$msg->("reattach");
		1101	_global_reattach;
		1102	};
		1103	$msg->($@) if $@;
		1104
		1105	$msg->("reloaded");
		1106	};
		1107
		1108	sub perl_reload() {
		1109	_perl_reload {
		1110	warn $_[0];
		1111	print "$_[0]\n";
		1112	};
		1113	}
		1114
		1115	register_command "perl-reload", 0, sub {
		1116	my ($who, $arg) = @_;
		1117
		1118	if ($who->flag (FLAG_WIZ)) {
		1119	_perl_reload {
		1120	warn $_[0];
		1121	$who->message ($_[0]);
		1122	};
		1123	}
		1124	};
		1125
874	register "<global>", __PACKAGE__;	1126	register "<global>", __PACKAGE__;
875		1127
876	unshift @INC, $LIBDIR;	1128	unshift @INC, $LIBDIR;
877
878	load_extensions;
879		1129
880	$TICK_WATCHER = Event->timer (	1130	$TICK_WATCHER = Event->timer (
881	prio => 1,	1131	prio => 1,
882	at => $NEXT_TICK \|\| 1,	1132	at => $NEXT_TICK \|\| 1,
883	cb => sub {	1133	cb => sub {
…		…
892	$TICK_WATCHER->at ($NEXT_TICK);	1142	$TICK_WATCHER->at ($NEXT_TICK);
893	$TICK_WATCHER->start;	1143	$TICK_WATCHER->start;
894	},	1144	},
895	);	1145	);
896		1146
897	_reload_2;
898
899	1	1147	1
900		1148

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.53 by root, Tue Aug 29 13:11:58 2006 UTC vs. Revision 1.71 by root, Sun Oct 1 10:59:30 2006 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.53 by root, Tue Aug 29 13:11:58 2006 UTC vs.
Revision 1.71 by root, Sun Oct 1 10:59:30 2006 UTC