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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.107 by root, Sun Dec 31 18:10:40 2006 UTC vs.
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
		21	use Digest::MD5;
20	use Fcntl;	22	use Fcntl;
21	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
22	use YAML::Syck ();	24	use YAML::Syck ();
23	use Time::HiRes;	25	use Time::HiRes;
24		26
25	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
26		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
27	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
28	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
29		33
30	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
31
32	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
33		35
34	our %COMMAND = ();	36	our %COMMAND = ();
35	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
36	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
37		43
38	our @EVENT;	44	our @EVENT;
39	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
40		46
41	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
42	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
43	our $NEXT_TICK;	51	our $NEXT_TICK;
44	our $NOW;	52	our $NOW;
		53	our $USE_FSYNC; # use fsync to write maps - default off
45		54
46	our %CFG;	55	our %CFG;
47		56
48	our $UPTIME; $UPTIME ||= time;	57	our $UPTIME; $UPTIME ||= time;
49	our $RUNTIME;	58	our $RUNTIME;
50		59
		60	our %PLAYER; # all users
51	our %MAP; # all maps	61	our %MAP; # all maps
52	our $LINK_MAP; # the special {link} map	62	our $LINK_MAP; # the special {link} map, which is always available
53	our $FREEZE;	63	our $RANDOM_MAPS = cf::localdir . "/random";
		64
		65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		67
		68	# used to convert map paths into valid unix filenames by replacing / by ∕
		69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
54		70
55	binmode STDOUT;	71	binmode STDOUT;
56	binmode STDERR;	72	binmode STDERR;
57		73
58	# read virtual server time, if available	74	# read virtual server time, if available
…		…
64		80
65	mkdir cf::localdir;	81	mkdir cf::localdir;
66	mkdir cf::localdir . "/" . cf::playerdir;	82	mkdir cf::localdir . "/" . cf::playerdir;
67	mkdir cf::localdir . "/" . cf::tmpdir;	83	mkdir cf::localdir . "/" . cf::tmpdir;
68	mkdir cf::localdir . "/" . cf::uniquedir;	84	mkdir cf::localdir . "/" . cf::uniquedir;
		85	mkdir $RANDOM_MAPS;
69		86
70	our %EXT_CORO;	87	our $EMERGENCY_POSITION;
		88
		89	sub cf::map::normalise;
71		90
72	#############################################################################	91	#############################################################################
73		92
74	=head2 GLOBAL VARIABLES	93	=head2 GLOBAL VARIABLES
75		94
…		…
99		118
100	=item %cf::CFG	119	=item %cf::CFG
101		120
102	Configuration for the server, loaded from C</etc/crossfire/config>, or	121	Configuration for the server, loaded from C</etc/crossfire/config>, or
103	from wherever your confdir points to.	122	from wherever your confdir points to.
		123
		124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		125
		126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		128	processing has been done. Call C<< ->wait >> on them to maximise the
		129	window of cpu time available, or simply to synchronise to the server tick.
104		130
105	=back	131	=back
106		132
107	=cut	133	=cut
108		134
…		…
112	utf8::encode $msg;	138	utf8::encode $msg;
113		139
114	$msg .= "\n"	140	$msg .= "\n"
115	unless $msg =~ /\n$/;	141	unless $msg =~ /\n$/;
116		142
117	LOG llevError, "cfperl: $msg";	143	LOG llevError, $msg;
118	};	144	};
119	}	145	}
120		146
121	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
122	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
140		166
141	$Event::DIED = sub {	167	$Event::DIED = sub {
142	warn "error in event callback: @_";	168	warn "error in event callback: @_";
143	};	169	};
144		170
145	my %ext_pkg;
146	my @exts;
147	my @hook;
148
149	=head2 UTILITY FUNCTIONS	171	=head2 UTILITY FUNCTIONS
150		172
151	=over 4	173	=over 4
152		174
		175	=item dumpval $ref
		176
153	=cut	177	=cut
		178
		179	sub dumpval {
		180	eval {
		181	local $SIG{__DIE__};
		182	my $d;
		183	if (1) {
		184	$d = new Data::Dumper([$_[0]], ["*var"]);
		185	$d->Terse(1);
		186	$d->Indent(2);
		187	$d->Quotekeys(0);
		188	$d->Useqq(1);
		189	#$d->Bless(...);
		190	$d->Seen($_[1]) if @_ > 1;
		191	$d = $d->Dump();
		192	}
		193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		194	$d
		195	} || "[unable to dump $_[0]: '$@']";
		196	}
154		197
155	use JSON::Syck (); # TODO# replace by JSON::PC once working	198	use JSON::Syck (); # TODO# replace by JSON::PC once working
156		199
157	=item $ref = cf::from_json $json	200	=item $ref = cf::from_json $json
158		201
…		…
173		216
174	sub to_json($) {	217	sub to_json($) {
175	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
176	JSON::Syck::Dump $_[0]	219	JSON::Syck::Dump $_[0]
177	}	220	}
		221
		222	=item cf::lock_wait $string
		223
		224	Wait until the given lock is available. See cf::lock_acquire.
		225
		226	=item my $lock = cf::lock_acquire $string
		227
		228	Wait until the given lock is available and then acquires it and returns
		229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		230	for example when the coroutine gets canceled), the lock is automatically
		231	returned.
		232
		233	Lock names should begin with a unique identifier (for example, cf::map::find
		234	uses map_find and cf::map::load uses map_load).
		235
		236	=cut
		237
		238	our %LOCK;
		239
		240	sub lock_wait($) {
		241	my ($key) = @_;
		242
		243	# wait for lock, if any
		244	while ($LOCK{$key}) {
		245	push @{ $LOCK{$key} }, $Coro::current;
		246	Coro::schedule;
		247	}
		248	}
		249
		250	sub lock_acquire($) {
		251	my ($key) = @_;
		252
		253	# wait, to be sure we are not locked
		254	lock_wait $key;
		255
		256	$LOCK{$key} = [];
		257
		258	Coro::guard {
		259	# wake up all waiters, to be on the safe side
		260	$_->ready for @{ delete $LOCK{$key} };
		261	}
		262	}
		263
		264	sub freeze_mainloop {
		265	return unless $TICK_WATCHER->is_active;
		266
		267	my $guard = Coro::guard {
		268	$TICK_WATCHER->start;
		269	$WRITE_RUNTIME_WATCHER->start;
		270	};
		271	$WRITE_RUNTIME_WATCHER->stop;
		272	$TICK_WATCHER->stop;
		273	$guard
		274	}
		275
		276	=item cf::async { BLOCK }
		277
		278	Currently the same as Coro::async_pool, meaning you cannot use
		279	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		280	thing you are allowed to do is call C<prio> on it.
		281
		282	=cut
		283
		284	BEGIN { *async = \&Coro::async_pool }
178		285
179	=item cf::sync_job { BLOCK }	286	=item cf::sync_job { BLOCK }
180		287
181	The design of crossfire+ requires that the main coro ($Coro::main) is	288	The design of crossfire+ requires that the main coro ($Coro::main) is
182	always able to handle events or runnable, as crossfire+ is only partly	289	always able to handle events or runnable, as crossfire+ is only partly
…		…
190	=cut	297	=cut
191		298
192	sub sync_job(&) {	299	sub sync_job(&) {
193	my ($job) = @_;	300	my ($job) = @_;
194		301
195	my $busy = 1;
196	my @res;
197
198	# TODO: use suspend/resume instead
199	local $FREEZE = 1;
200
201	my $coro = Coro::async {
202	@res = eval { $job->() };
203	warn $@ if $@;
204	undef $busy;
205	};
206
207	if ($Coro::current == $Coro::main) {	302	if ($Coro::current == $Coro::main) {
		303	# this is the main coro, too bad, we have to block
		304	# till the operation succeeds, freezing the server :/
		305
		306	# TODO: use suspend/resume instead
		307	# (but this is cancel-safe)
		308	my $freeze_guard = freeze_mainloop;
		309
		310	my $busy = 1;
		311	my @res;
		312
		313	(async {
		314	@res = eval { $job->() };
		315	warn $@ if $@;
		316	undef $busy;
208	$coro->prio (Coro::PRIO_MAX);	317	})->prio (Coro::PRIO_MAX);
		318
209	while ($busy) {	319	while ($busy) {
210	Coro::cede_notself;	320	Coro::cede or Event::one_event;
211	Event::one_event unless Coro::nready;
212	}	321	}
		322
		323	wantarray ? @res : $res[0]
213	} else {	324	} else {
214	$coro->join;	325	# we are in another coroutine, how wonderful, everything just works
		326
		327	$job->()
215	}	328	}
216
217	wantarray ? @res : $res[0]
218	}	329	}
219		330
220	=item $coro = cf::coro { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
221		332
222	Creates and returns a new coro. This coro is automcatially being canceled	333	Like async, but this coro is automatically being canceled when the
223	when the extension calling this is being unloaded.	334	extension calling this is being unloaded.
224		335
225	=cut	336	=cut
226		337
227	sub coro(&) {	338	sub async_ext(&) {
228	my $cb = shift;	339	my $cb = shift;
229		340
230	my $coro; $coro = async {	341	my $coro = &Coro::async ($cb);
231	eval {
232	$cb->();
233	};
234	warn $@ if $@;
235	};
236		342
237	$coro->on_destroy (sub {	343	$coro->on_destroy (sub {
238	delete $EXT_CORO{$coro+0};	344	delete $EXT_CORO{$coro+0};
239	});	345	});
240	$EXT_CORO{$coro+0} = $coro;	346	$EXT_CORO{$coro+0} = $coro;
241		347
242	$coro	348	$coro
		349	}
		350
		351	sub write_runtime {
		352	my $runtime = cf::localdir . "/runtime";
		353
		354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		355	or return;
		356
		357	my $value = $cf::RUNTIME + 90 + 10;
		358	# 10 is the runtime save interval, for a monotonic clock
		359	# 60 allows for the watchdog to kill the server.
		360
		361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		362	and return;
		363
		364	# always fsync - this file is important
		365	aio_fsync $fh
		366	and return;
		367
		368	close $fh
		369	or return;
		370
		371	aio_rename "$runtime~", $runtime
		372	and return;
		373
		374	1
243	}	375	}
244		376
245	=back	377	=back
246		378
247	=cut	379	=cut
…		…
378	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
379	our @CB_MAP = ();	511	our @CB_MAP = ();
380		512
381	my %attachment;	513	my %attachment;
382		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
383	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
384	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
385		523
386	use sort 'stable';	524	use sort 'stable';
387		525
…		…
558	# object support	696	# object support
559		697
560	sub reattach {	698	sub reattach {
561	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
562	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
563		703
564	my $registry = $obj->registry;	704	my $registry = $obj->registry;
565		705
566	@$registry = ();	706	@$registry = ();
567		707
…		…
614	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
615		755
616	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
617	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
618	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
619	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
620	close $fh;	760	close $fh;
621		761
622	if (@$objs) {	762	if (@$objs) {
623	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
624	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
625	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
626	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
627	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
628	close $fh;	768	close $fh;
629	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
630	}	770	}
631	} else {	771	} else {
632	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
638	}	778	}
639	} else {	779	} else {
640	aio_unlink $filename;	780	aio_unlink $filename;
641	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
642	}	782	}
		783
		784	#d##TODO# nuke non .map-files if exist
		785	if ($filename =~ s/\.map$//) {
		786	aio_unlink $filename;
		787	aio_unlink "$filename.pst";
		788	}
643	}	789	}
644	}	790	}
645		791
646	sub object_freezer_as_string {	792	sub object_freezer_as_string {
647	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
653		799
654	sub object_thawer_load {	800	sub object_thawer_load {
655	my ($filename) = @_;	801	my ($filename) = @_;
656		802
657	my ($data, $av);	803	my ($data, $av);
		804
		805	#d#TODO remove .map if file does not exist
		806	aio_stat $filename and $filename =~ s/\.map$//;
658		807
659	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
660	or return;	809	or return;
661		810
662	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
663	(aio_load "$filename.pst", $av) >= 0	812	(aio_load "$filename.pst", $av) >= 0
664	or return;	813	or return;
665	$av = eval { (Storable::thaw <$av>)->{objs} };	814	$av = eval { (Storable::thaw $av)->{objs} };
666	}	815	}
667		816
		817	warn sprintf "loading %s (%d)\n",
		818	$filename, length $data, scalar @{$av || []};#d#
668	return ($data, $av);	819	return ($data, $av);
669	}	820	}
670		821
671	#############################################################################	822	#############################################################################
672	# command handling &c	823	# command handling &c
…		…
697	=cut	848	=cut
698		849
699	sub register_extcmd {	850	sub register_extcmd {
700	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
701		852
702	my $caller = caller;
703	#warn "registering extcmd '$name' to '$caller'";
704
705	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
706	}	854	}
707		855
708	cf::player->attach (	856	cf::player->attach (
709	on_command => sub {	857	on_command => sub {
710	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
723		871
724	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
725		873
726	if (ref $msg) {	874	if (ref $msg) {
727	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
728	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
729	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
730	}	878	}
731	}	879	}
732	} else {	880	} else {
733	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
735		883
736	cf::override;	884	cf::override;
737	},	885	},
738	);	886	);
739		887
740	sub register {
741	my ($base, $pkg) = @_;
742
743	#TODO
744	}
745
746	sub load_extension {	888	sub load_extension {
747	my ($path) = @_;	889	my ($path) = @_;
748		890
749	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
750	my $base = $1;	892	my $base = $1;
751	my $pkg = $1;	893	my $pkg = $1;
752	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
753	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
754		896
755	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
756		898
757	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
758	or die "$path: $!";	900	or die "$path: $!";
759		901
760	my $source =	902	my $source =
761	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
762	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
763	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
764	. "\n};\n1";	906	. "\n};\n1";
765		907
766	eval $source	908	unless (eval $source) {
767	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
768	: "extension disabled.\n";	910	: "extension disabled.\n";
769		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
770	push @exts, $pkg;	912	warn $@;
771	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
772		914	exit 1;
773	# no strict 'refs';	915	}
774	# @{"$pkg\::ISA"} = ext::;	916	die $@;
775
776	register $base, $pkg;
777	}
778
779	sub unload_extension {
780	my ($pkg) = @_;
781
782	warn "removing extension $pkg\n";
783
784	# remove hooks
785	#TODO
786	# for my $idx (0 .. $#PLUGIN_EVENT) {
787	# delete $hook[$idx]{$pkg};
788	# }	917	}
789		918
790	# remove commands	919	push @EXTS, $pkg;
791	for my $name (keys %COMMAND) {
792	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
793
794	if (@cb) {
795	$COMMAND{$name} = \@cb;
796	} else {
797	delete $COMMAND{$name};
798	}
799	}
800
801	# remove extcmds
802	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
803	delete $EXTCMD{$name};
804	}
805
806	if (my $cb = $pkg->can ("unload")) {
807	eval {
808	$cb->($pkg);
809	1
810	} or warn "$pkg unloaded, but with errors: $@";
811	}
812
813	Symbol::delete_package $pkg;
814	}	920	}
815		921
816	sub load_extensions {	922	sub load_extensions {
817	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
818	next unless -r $ext;	924	next unless -r $ext;
…		…
822	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
823	}	929	}
824	}	930	}
825		931
826	#############################################################################	932	#############################################################################
827	# load/save/clean perl data associated with a map
828		933
829	*cf::mapsupport::on_clean = sub {	934	=head2 CORE EXTENSIONS
		935
		936	Functions and methods that extend core crossfire objects.
		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
		944	=head3 cf::player
		945
		946	=over 4
		947
		948	=item cf::player::find $login
		949
		950	Returns the given player object, loading it if necessary (might block).
		951
		952	=cut
		953
		954	sub playerdir($) {
		955	cf::localdir
		956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	$pl->{deny_save} = 1;
		1036	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1037
		1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1039	$pl->deactivate;
		1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1041	$pl->ns->destroy if $pl->ns;
		1042
		1043	my $path = playerdir $pl;
		1044	my $temp = "$path~$cf::RUNTIME~deleting~";
		1045	aio_rename $path, $temp;
		1046	delete $cf::PLAYER{$pl->ob->name};
		1047	$pl->destroy;
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item cf::player::list_logins
		1052
		1053	Returns am arrayref of all valid playernames in the system, can take a
		1054	while and may block, so not sync_job-capable, ever.
		1055
		1056	=cut
		1057
		1058	sub list_logins {
		1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1060	or return [];
		1061
		1062	my @logins;
		1063
		1064	for my $login (@$dirs) {
		1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1066	aio_read $fh, 0, 512, my $buf, 0 or next;
		1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1068
		1069	utf8::decode $login;
		1070	push @logins, $login;
		1071	}
		1072
		1073	\@logins
		1074	}
		1075
		1076	=item $player->maps
		1077
		1078	Returns an arrayref of map paths that are private for this
		1079	player. May block.
		1080
		1081	=cut
		1082
		1083	sub maps($) {
		1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
		1087
		1088	my $files = aio_readdir playerdir $pl
		1089	or return;
		1090
		1091	my @paths;
		1092
		1093	for (@$files) {
		1094	utf8::decode $_;
		1095	next if /\.(?:pl|pst)$/;
		1096	next unless /^$PATH_SEP/o;
		1097
		1098	push @paths, cf::map::normalise "~$pl/$_";
		1099	}
		1100
		1101	\@paths
		1102	}
		1103
		1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1105
		1106	Sends an ext reply to the player.
		1107
		1108	=cut
		1109
		1110	sub ext_reply($$$%) {
		1111	my ($self, $id, %msg) = @_;
		1112
		1113	$msg{msgid} = $id;
		1114
		1115	$self->send ("ext " . cf::to_json \%msg);
		1116	}
		1117
		1118	package cf;
		1119
		1120	=back
		1121
		1122
		1123	=head3 cf::map
		1124
		1125	=over 4
		1126
		1127	=cut
		1128
		1129	package cf::map;
		1130
		1131	use Fcntl;
		1132	use Coro::AIO;
		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
		1138	our $MAX_RESET = 3600;
		1139	our $DEFAULT_RESET = 3000;
		1140
		1141	sub generate_random_map {
		1142	my ($self, $rmp) = @_;
		1143	# mit "rum" bekleckern, nicht
		1144	$self->_create_random_map (
		1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1148	$rmp->{exit_on_final_map},
		1149	$rmp->{xsize}, $rmp->{ysize},
		1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1286	}
		1287
		1288	# and all this just because we cannot iterate over
		1289	# all maps in C++...
		1290	sub change_all_map_light {
		1291	my ($change) = @_;
		1292
		1293	$_->change_map_light ($change)
		1294	for grep $_->outdoor, values %cf::MAP;
		1295	}
		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303
		1304	#d#TODO remove .map and also nuke
		1305	$save =~ s/\.map// or return;#d#
		1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1308	}
		1309
		1310	sub load_header_from($) {
		1311	my ($self, $path) = @_;
		1312
		1313	utf8::encode $path;
		1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
		1318	or return;
		1319
		1320	$self->{load_path} = $path;
		1321
		1322	1
		1323	}
		1324
		1325	sub load_header_orig {
		1326	my ($self) = @_;
		1327
		1328	$self->load_header_from ($self->load_path)
		1329	}
		1330
		1331	sub load_header_temp {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->save_path)
		1335	}
		1336
		1337	sub prepare_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->last_access ((delete $self->{last_access})
		1341	|| $cf::RUNTIME); #d#
		1342	# safety
		1343	$self->{instantiate_time} = $cf::RUNTIME
		1344	if $self->{instantiate_time} > $cf::RUNTIME;
		1345	}
		1346
		1347	sub prepare_orig {
		1348	my ($self) = @_;
		1349
		1350	$self->{load_original} = 1;
		1351	$self->{instantiate_time} = $cf::RUNTIME;
		1352	$self->last_access ($cf::RUNTIME);
		1353	$self->instantiate;
		1354	}
		1355
		1356	sub load_header {
		1357	my ($self) = @_;
		1358
		1359	if ($self->load_header_temp) {
		1360	$self->prepare_temp;
		1361	} else {
		1362	$self->load_header_orig
		1363	or return;
		1364	$self->prepare_orig;
		1365	}
		1366
		1367	1
		1368	}
		1369
		1370	sub find;
		1371	sub find {
		1372	my ($path, $origin) = @_;
		1373
		1374	$path = normalise $path, $origin && $origin->path;
		1375
		1376	cf::lock_wait "map_find:$path";
		1377
		1378	$cf::MAP{$path} || do {
		1379	my $guard = cf::lock_acquire "map_find:$path";
		1380	my $map = new_from_path cf::map $path
		1381	or return;
		1382
		1383	$map->{last_save} = $cf::RUNTIME;
		1384
		1385	$map->load_header
		1386	or return;
		1387
		1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1389	# doing this can freeze the server in a sync job, obviously
		1390	#$cf::WAIT_FOR_TICK->wait;
		1391	$map->reset;
		1392	undef $guard;
		1393	return find $path;
		1394	}
		1395
		1396	$cf::MAP{$path} = $map
		1397	}
		1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
		1402
		1403	sub load {
		1404	my ($self) = @_;
		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
		1408	my $path = $self->{path};
		1409	my $guard = cf::lock_acquire "map_load:$path";
		1410
		1411	return if $self->in_memory != cf::MAP_SWAPPED;
		1412
		1413	$self->in_memory (cf::MAP_LOADING);
		1414
		1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
		1419	$self->_load_objects ($self->{load_path}, 1)
		1420	or return;
		1421
		1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1423	if delete $self->{load_original};
		1424
		1425	if (my $uniq = $self->uniq_path) {
		1426	utf8::encode $uniq;
		1427	if (aio_open $uniq, O_RDONLY, 0) {
		1428	$self->clear_unique_items;
		1429	$self->_load_objects ($uniq, 0);
		1430	}
		1431	}
		1432
		1433	Coro::cede;
		1434
		1435	# now do the right thing for maps
		1436	$self->link_multipart_objects;
		1437
		1438	unless ($self->{deny_activate}) {
		1439	$self->decay_objects;
		1440	$self->fix_auto_apply;
		1441	$self->update_buttons;
		1442	Coro::cede;
		1443	$self->set_darkness_map;
		1444	$self->difficulty ($self->estimate_difficulty)
		1445	unless $self->difficulty;
		1446	Coro::cede;
		1447	$self->activate;
		1448	}
		1449
		1450	$self->post_load;
		1451
		1452	$self->in_memory (cf::MAP_IN_MEMORY);
		1453	}
		1454
		1455	sub customise_for {
		1456	my ($self, $ob) = @_;
		1457
		1458	return find "~" . $ob->name . "/" . $self->{path}
		1459	if $self->per_player;
		1460
		1461	$self
		1462	}
		1463
		1464	# find and load all maps in the 3x3 area around a map
		1465	sub load_diag {
830	my ($map) = @_;	1466	my ($map) = @_;
831		1467
832	my $path = $map->tmpname;	1468	my @diag; # diagonal neighbours
833	defined $path or return;
834		1469
835	unlink "$path.pst";	1470	for (0 .. 3) {
836	};	1471	my $neigh = $map->tile_path ($_)
		1472	or next;
		1473	$neigh = find $neigh, $map
		1474	or next;
		1475	$neigh->load;
837		1476
838	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1479	}
839		1480
840	#############################################################################	1481	for (@diag) {
841	# load/save perl data associated with player->ob objects	1482	my $neigh = find @$_
842		1483	or next;
843	sub all_objects(@) {	1484	$neigh->load;
844	@_, map all_objects ($_->inv), @_	1485	}
845	}	1486	}
846		1487
847	# TODO: compatibility cruft, remove when no longer needed	1488	sub find_sync {
848	cf::player->attach (	1489	my ($path, $origin) = @_;
849	on_load => sub {
850	my ($pl, $path) = @_;
851		1490
852	for my $o (all_objects $pl->ob) {	1491	cf::sync_job { find $path, $origin }
853	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1492	}
854	$o->set_ob_key_value ("_perl_data");
855		1493
856	%$o = %{ Storable::thaw pack "H*", $value };	1494	sub do_load_sync {
		1495	my ($map) = @_;
		1496
		1497	cf::sync_job { $map->load };
		1498	}
		1499
		1500	our %MAP_PREFETCH;
		1501	our $MAP_PREFETCHER = undef;
		1502
		1503	sub find_async {
		1504	my ($path, $origin) = @_;
		1505
		1506	$path = normalise $path, $origin && $origin->{path};
		1507
		1508	if (my $map = $cf::MAP{$path}) {
		1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1510	}
		1511
		1512	undef $MAP_PREFETCH{$path};
		1513	$MAP_PREFETCHER ||= cf::async {
		1514	while (%MAP_PREFETCH) {
		1515	for my $path (keys %MAP_PREFETCH) {
		1516	my $map = find $path
		1517	or next;
		1518	$map->load;
		1519
		1520	delete $MAP_PREFETCH{$path};
857	}	1521	}
858	}	1522	}
		1523	undef $MAP_PREFETCHER;
		1524	};
		1525	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
		1528	}
		1529
		1530	sub save {
		1531	my ($self) = @_;
		1532
		1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1534
		1535	$self->{last_save} = $cf::RUNTIME;
		1536
		1537	return unless $self->dirty;
		1538
		1539	my $save = $self->save_path; utf8::encode $save;
		1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1541
		1542	$self->{load_path} = $save;
		1543
		1544	return if $self->{deny_save};
		1545
		1546	local $self->{last_access} = $self->last_access;#d#
		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
		1551
		1552	if ($uniq) {
		1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		1555	} else {
		1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
859	},	1557	}
860	);	1558	}
861		1559
862	#############################################################################	1560	sub swap_out {
		1561	my ($self) = @_;
863		1562
864	=head2 CORE EXTENSIONS	1563	# save first because save cedes
		1564	$self->save;
865		1565
866	Functions and methods that extend core crossfire objects.	1566	my $lock = cf::lock_acquire "map_data:" . $self->path;
867		1567
868	=head3 cf::player	1568	return if $self->players;
		1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1570	return if $self->{deny_save};
		1571
		1572	$self->clear;
		1573	$self->in_memory (cf::MAP_SWAPPED);
		1574	}
		1575
		1576	sub reset_at {
		1577	my ($self) = @_;
		1578
		1579	# TODO: safety, remove and allow resettable per-player maps
		1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1581	return 1e99 if $self->{deny_reset};
		1582
		1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1585
		1586	$time + $to
		1587	}
		1588
		1589	sub should_reset {
		1590	my ($self) = @_;
		1591
		1592	$self->reset_at <= $cf::RUNTIME
		1593	}
		1594
		1595	sub reset {
		1596	my ($self) = @_;
		1597
		1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1599
		1600	return if $self->players;
		1601	return if $self->isa ("ext::map_per_player");#d#
		1602
		1603	warn "resetting map ", $self->path;#d#
		1604
		1605	delete $cf::MAP{$self->path};
		1606
		1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
		1609
		1610	$_->clear_links_to ($self) for values %cf::MAP;
		1611
		1612	$self->unlink_save;
		1613	$self->destroy;
		1614	}
		1615
		1616	my $nuke_counter = "aaaa";
		1617
		1618	sub nuke {
		1619	my ($self) = @_;
		1620
		1621	delete $cf::MAP{$self->path};
		1622
		1623	$self->unlink_save;
		1624
		1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
		1627	$self->{deny_save} = 1;
		1628	$self->reset_timeout (1);
		1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1630
		1631	$cf::MAP{$self->path} = $self;
		1632
		1633	$self->reset; # polite request, might not happen
		1634	}
		1635
		1636	=item cf::map::unique_maps
		1637
		1638	Returns an arrayref of paths of all shared maps that have
		1639	instantiated unique items. May block.
		1640
		1641	=cut
		1642
		1643	sub unique_maps() {
		1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
		1646
		1647	my @paths;
		1648
		1649	for (@$files) {
		1650	utf8::decode $_;
		1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
		1655	}
		1656
		1657	\@paths
		1658	}
		1659
		1660	package cf;
		1661
		1662	=back
		1663
		1664	=head3 cf::object
		1665
		1666	=cut
		1667
		1668	package cf::object;
869		1669
870	=over 4	1670	=over 4
871		1671
872	=item cf::player::exists $login	1672	=item $ob->inv_recursive
873		1673
874	Returns true when the given account exists.	1674	Returns the inventory of the object _and_ their inventories, recursively.
875		1675
876	=cut	1676	=cut
877		1677
878	sub cf::player::exists($) {	1678	sub inv_recursive_;
879	cf::player::find $_[0]	1679	sub inv_recursive_ {
880	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1680	map { $_, inv_recursive_ $_->inv } @_
881	}	1681	}
882		1682
883	=item $player->ext_reply ($msgid, $msgtype, %msg)	1683	sub inv_recursive {
884		1684	inv_recursive_ inv $_[0]
885	Sends an ext reply to the player.
886
887	=cut
888
889	sub cf::player::ext_reply($$$%) {
890	my ($self, $id, %msg) = @_;
891
892	$msg{msgid} = $id;
893
894	$self->send ("ext " . to_json \%msg);
895	}	1685	}
		1686
		1687	package cf;
896		1688
897	=back	1689	=back
898		1690
899	=head3 cf::object::player	1691	=head3 cf::object::player
900		1692
…		…
938	(ref $cf::CFG{"may_$access"}	1730	(ref $cf::CFG{"may_$access"}
939	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1731	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
940	: $cf::CFG{"may_$access"})	1732	: $cf::CFG{"may_$access"})
941	}	1733	}
942		1734
		1735	=item $player_object->enter_link
		1736
		1737	Freezes the player and moves him/her to a special map (C<{link}>).
		1738
		1739	The player should be reasonably safe there for short amounts of time. You
		1740	I<MUST> call C<leave_link> as soon as possible, though.
		1741
		1742	Will never block.
		1743
		1744	=item $player_object->leave_link ($map, $x, $y)
		1745
		1746	Moves the player out of the special C<{link}> map onto the specified
		1747	map. If the map is not valid (or omitted), the player will be moved back
		1748	to the location he/she was before the call to C<enter_link>, or, if that
		1749	fails, to the emergency map position.
		1750
		1751	Might block.
		1752
		1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($LINK_MAP) {
		1757	$LINK_MAP = cf::map::find "{link}"
		1758	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1759	$LINK_MAP->load;
		1760	}
		1761
		1762	$LINK_MAP
		1763	}
		1764
		1765	sub cf::object::player::enter_link {
		1766	my ($self) = @_;
		1767
		1768	$self->deactivate_recursive;
		1769
		1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1771
		1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1773	if $self->map;
		1774
		1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		1776	}
		1777
		1778	sub cf::object::player::leave_link {
		1779	my ($self, $map, $x, $y) = @_;
		1780
		1781	my $link_pos = delete $self->{_link_pos};
		1782
		1783	unless ($map) {
		1784	# restore original map position
		1785	($map, $x, $y) = @{ $link_pos || [] };
		1786	$map = cf::map::find $map;
		1787
		1788	unless ($map) {
		1789	($map, $x, $y) = @$EMERGENCY_POSITION;
		1790	$map = cf::map::find $map
		1791	or die "FATAL: cannot load emergency map\n";
		1792	}
		1793	}
		1794
		1795	($x, $y) = (-1, -1)
		1796	unless (defined $x) && (defined $y);
		1797
		1798	# use -1 or undef as default coordinates, not 0, 0
		1799	($x, $y) = ($map->enter_x, $map->enter_y)
		1800	if $x <=0 && $y <= 0;
		1801
		1802	$map->load;
		1803	$map->load_diag;
		1804
		1805	return unless $self->contr->active;
		1806	$self->activate_recursive;
		1807	$self->enter_map ($map, $x, $y);
		1808	}
		1809
		1810	cf::player->attach (
		1811	on_logout => sub {
		1812	my ($pl) = @_;
		1813
		1814	# abort map switching before logout
		1815	if ($pl->ob->{_link_pos}) {
		1816	cf::sync_job {
		1817	$pl->ob->leave_link
		1818	};
		1819	}
		1820	},
		1821	on_login => sub {
		1822	my ($pl) = @_;
		1823
		1824	# try to abort aborted map switching on player login :)
		1825	# should happen only on crashes
		1826	if ($pl->ob->{_link_pos}) {
		1827	$pl->ob->enter_link;
		1828	(async {
		1829	# we need this sleep as the login has a concurrent enter_exit running
		1830	# and this sleep increases chances of the player not ending up in scorn
		1831	$pl->ob->reply (undef,
		1832	"There was an internal problem at your last logout, "
		1833	. "the server will try to bring you to your intended destination in a second.",
		1834	cf::NDI_RED);
		1835	Coro::Timer::sleep 1;
		1836	$pl->ob->leave_link;
		1837	})->prio (2);
		1838	}
		1839	},
		1840	);
		1841
		1842	=item $player_object->goto ($path, $x, $y)
		1843
		1844	=cut
		1845
		1846	sub cf::object::player::goto {
		1847	my ($self, $path, $x, $y) = @_;
		1848
		1849	$self->enter_link;
		1850
		1851	(async {
		1852	my $map = eval {
		1853	my $map = cf::map::find $path;
		1854	$map = $map->customise_for ($self) if $map;
		1855	$map
		1856	} or
		1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1858
		1859	$self->leave_link ($map, $x, $y);
		1860	})->prio (1);
		1861	}
		1862
		1863	=item $player_object->enter_exit ($exit_object)
		1864
		1865	=cut
		1866
		1867	sub parse_random_map_params {
		1868	my ($spec) = @_;
		1869
		1870	my $rmp = { # defaults
		1871	xsize => (cf::rndm 15, 40),
		1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
		1875	};
		1876
		1877	for (split /\n/, $spec) {
		1878	my ($k, $v) = split /\s+/, $_, 2;
		1879
		1880	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1881	}
		1882
		1883	$rmp
		1884	}
		1885
		1886	sub prepare_random_map {
		1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
		1890
		1891	# all this does is basically replace the /! path by
		1892	# a new random map path (?random/...) with a seed
		1893	# that depends on the exit object
		1894
		1895	my $rmp = parse_random_map_params $exit->msg;
		1896
		1897	if ($exit->map) {
		1898	$rmp->{region} = $exit->region->name;
		1899	$rmp->{origin_map} = $exit->map->path;
		1900	$rmp->{origin_x} = $exit->x;
		1901	$rmp->{origin_y} = $exit->y;
		1902	}
		1903
		1904	$rmp->{random_seed} ||= $exit->random_seed;
		1905
		1906	my $data = cf::to_json $rmp;
		1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
		1909
		1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		1911	aio_write $fh, 0, (length $data), $data, 0;
		1912	undef $fh;
		1913	aio_rename "$meta~", $meta;
		1914
		1915	$exit->slaying ("?random/$md5");
		1916	$exit->msg (undef);
		1917	}
		1918	}
		1919
		1920	sub cf::object::player::enter_exit {
		1921	my ($self, $exit) = @_;
		1922
		1923	return unless $self->type == cf::PLAYER;
		1924
		1925	if ($exit->slaying eq "/!") {
		1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1927	cf::sync_job { prepare_random_map $exit };
		1928	}
		1929
		1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1931	my $hp = $exit->stats->hp;
		1932	my $sp = $exit->stats->sp;
		1933
		1934	$self->enter_link;
		1935
		1936	(async {
		1937	$self->deactivate_recursive; # just to be sure
		1938	unless (eval {
		1939	$self->goto ($slaying, $hp, $sp);
		1940
		1941	1;
		1942	}) {
		1943	$self->message ("Something went wrong deep within the crossfire server. "
		1944	. "I'll try to bring you back to the map you were before. "
		1945	. "Please report this to the dungeon master!",
		1946	cf::NDI_UNIQUE | cf::NDI_RED);
		1947
		1948	warn "ERROR in enter_exit: $@";
		1949	$self->leave_link;
		1950	}
		1951	})->prio (1);
		1952	}
		1953
943	=head3 cf::client	1954	=head3 cf::client
944		1955
945	=over 4	1956	=over 4
946		1957
947	=item $client->send_drawinfo ($text, $flags)	1958	=item $client->send_drawinfo ($text, $flags)
…		…
990	on_reply => sub {	2001	on_reply => sub {
991	my ($ns, $msg) = @_;	2002	my ($ns, $msg) = @_;
992		2003
993	# this weird shuffling is so that direct followup queries	2004	# this weird shuffling is so that direct followup queries
994	# get handled first	2005	# get handled first
995	my $queue = delete $ns->{query_queue};	2006	my $queue = delete $ns->{query_queue}
		2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
996		2008
997	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
998		2011
999	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1000		2013
1001	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1002	if (@$queue) {	2015	if (@$queue) {
…		…
1006	}	2019	}
1007	}	2020	}
1008	},	2021	},
1009	);	2022	);
1010		2023
1011	=item $client->coro (\&cb)	2024	=item $client->async (\&cb)
1012		2025
1013	Create a new coroutine, running the specified callback. The coroutine will	2026	Create a new coroutine, running the specified callback. The coroutine will
1014	be automatically cancelled when the client gets destroyed (e.g. on logout,	2027	be automatically cancelled when the client gets destroyed (e.g. on logout,
1015	or loss of connection).	2028	or loss of connection).
1016		2029
1017	=cut	2030	=cut
1018		2031
1019	sub cf::client::coro {	2032	sub cf::client::async {
1020	my ($self, $cb) = @_;	2033	my ($self, $cb) = @_;
1021		2034
1022	my $coro; $coro = async {	2035	my $coro = &Coro::async ($cb);
1023	eval {
1024	$cb->();
1025	};
1026	warn $@ if $@;
1027	};
1028		2036
1029	$coro->on_destroy (sub {	2037	$coro->on_destroy (sub {
1030	delete $self->{_coro}{$coro+0};	2038	delete $self->{_coro}{$coro+0};
1031	});	2039	});
1032		2040
…		…
1204		2212
1205	{	2213	{
1206	my $path = cf::localdir . "/database.pst";	2214	my $path = cf::localdir . "/database.pst";
1207		2215
1208	sub db_load() {	2216	sub db_load() {
1209	warn "loading database $path\n";#d# remove later
1210	$DB = stat $path ? Storable::retrieve $path : { };	2217	$DB = stat $path ? Storable::retrieve $path : { };
1211	}	2218	}
1212		2219
1213	my $pid;	2220	my $pid;
1214		2221
1215	sub db_save() {	2222	sub db_save() {
1216	warn "saving database $path\n";#d# remove later
1217	waitpid $pid, 0 if $pid;	2223	waitpid $pid, 0 if $pid;
1218	if (0 == ($pid = fork)) {	2224	if (0 == ($pid = fork)) {
1219	$DB->{_meta}{version} = 1;	2225	$DB->{_meta}{version} = 1;
1220	Storable::nstore $DB, "$path~";	2226	Storable::nstore $DB, "$path~";
1221	rename "$path~", $path;	2227	rename "$path~", $path;
…		…
1228	sub db_sync() {	2234	sub db_sync() {
1229	db_save if $dirty;	2235	db_save if $dirty;
1230	undef $dirty;	2236	undef $dirty;
1231	}	2237	}
1232		2238
1233	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1234	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1235	});	2246	);
1236		2247
1237	sub db_dirty() {	2248	sub db_dirty() {
1238	$dirty = 1;	2249	$dirty = 1;
1239	$idle->start;	2250	$idle->start;
1240	}	2251	}
…		…
1261	},	2272	},
1262	);	2273	);
1263	}	2274	}
1264		2275
1265	#############################################################################	2276	#############################################################################
1266	# the server's main()	2277	# the server's init and main functions
		2278
		2279	sub load_resources {
		2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2281	or die "unable to load regions file\n";#d#
		2282	}
1267		2283
1268	sub cfg_load {	2284	sub cfg_load {
1269	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1270	or return;	2286	or return;
1271		2287
1272	local $/;	2288	local $/;
1273	*CFG = YAML::Syck::Load <$fh>;	2289	*CFG = YAML::Syck::Load <$fh>;
		2290
		2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2292
		2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2295
		2296	if (exists $CFG{mlockall}) {
		2297	eval {
		2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2299	and die "WARNING: m(un)lockall failed: $!\n";
		2300	};
		2301	warn $@ if $@;
		2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
1274	}	2307	}
1275		2308
1276	sub main {	2309	sub main {
		2310	# we must not ever block the main coroutine
		2311	local $Coro::idle = sub {
		2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2313	(async {
		2314	Event::one_event;
		2315	})->prio (Coro::PRIO_MAX);
		2316	};
		2317
1277	cfg_load;	2318	cfg_load;
1278	db_load;	2319	db_load;
1279	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
1280	Event::loop;	2323	Event::loop;
1281	}	2324	}
1282		2325
1283	#############################################################################	2326	#############################################################################
1284	# initialisation	2327	# initialisation and cleanup
1285		2328
		2329	# install some emergency cleanup handlers
		2330	BEGIN {
		2331	for my $signal (qw(INT HUP TERM)) {
		2332	Event->signal (
		2333	reentrant => 0,
		2334	data => WF_AUTOCANCEL,
		2335	signal => $signal,
		2336	prio => 0,
		2337	cb => sub {
		2338	cf::cleanup "SIG$signal";
		2339	},
		2340	);
		2341	}
		2342	}
		2343
		2344	sub emergency_save() {
		2345	my $freeze_guard = cf::freeze_mainloop;
		2346
		2347	warn "enter emergency perl save\n";
		2348
		2349	cf::sync_job {
		2350	# use a peculiar iteration method to avoid tripping on perl
		2351	# refcount bugs in for. also avoids problems with players
		2352	# and maps saved/destroyed asynchronously.
		2353	warn "begin emergency player save\n";
		2354	for my $login (keys %cf::PLAYER) {
		2355	my $pl = $cf::PLAYER{$login} or next;
		2356	$pl->valid or next;
		2357	$pl->save;
		2358	}
		2359	warn "end emergency player save\n";
		2360
		2361	warn "begin emergency map save\n";
		2362	for my $path (keys %cf::MAP) {
		2363	my $map = $cf::MAP{$path} or next;
		2364	$map->valid or next;
		2365	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
		2372
1286	sub perl_reload() {	2373	sub reload() {
1287	# can/must only be called in main	2374	# can/must only be called in main
1288	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
1289	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
1290	return;	2377	return;
1291	}	2378	}
1292		2379
1293	warn "reloading...";	2380	warn "reloading...";
1294		2381
1295	local $FREEZE = 1;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
1296	cf::emergency_save;	2385	cf::emergency_save;
1297		2386
1298	eval {	2387	eval {
1299	# if anything goes wrong in here, we should simply crash as we already saved	2388	# if anything goes wrong in here, we should simply crash as we already saved
1300		2389
1301	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
1302	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
1303	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
1304	}	2396	}
1305		2397
		2398	warn "flushing outstanding aio requests";
		2399	for (;;) {
		2400	IO::AIO::flush;
		2401	Coro::cede;
		2402	last unless IO::AIO::nreqs;
		2403	warn "iterate...";
		2404	}
		2405
1306	# cancel all extension coros	2406	warn "cancelling all extension coros";
1307	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
1308	%EXT_CORO = ();	2408	%EXT_CORO = ();
1309		2409
1310	# unload all extensions	2410	warn "removing commands";
1311	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
1312	warn "unloading <$_>";	2418	warn "... unloading $pkg";
1313	unload_extension $_;	2419
		2420	if (my $cb = $pkg->can ("unload")) {
		2421	eval {
		2422	$cb->($pkg);
		2423	1
		2424	} or warn "$pkg unloaded, but with errors: $@";
1314	}	2425	}
1315		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
1316	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
1317	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
1318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1319		2434
1320	warn "removing <$k>";	2435	warn "... unloading $k";
1321	delete $INC{$k};	2436	delete $INC{$k};
1322		2437
1323	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
1324	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
1325		2440
…		…
1328	}	2443	}
1329		2444
1330	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
1331	}	2446	}
1332		2447
1333	# sync database to disk
1334	cf::db_sync;
1335	IO::AIO::flush;
1336
1337	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
1338	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
1339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1340		2451
1341	# remove register_script_function callbacks
1342	# TODO
1343
1344	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
1345	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
1346		2454
1347	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
1348	# and global variables created in xs	2456	# and global variables created in xs
1349	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
1350		2458
1351	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
1352	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
1353	require cf;	2462	require cf;
1354	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1355		2464
1356	# load config and database again	2465	warn "loading config and database again";
1357	cf::cfg_load;	2466	cf::cfg_load;
1358	cf::db_load;	2467	cf::db_load;
1359		2468
1360	# load extensions
1361	warn "load extensions";	2469	warn "loading extensions";
1362	cf::load_extensions;	2470	cf::load_extensions;
1363		2471
1364	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
1365	warn "reattach";
1366	_global_reattach;	2473	_global_reattach;
		2474	warn "reattaching attachments to maps";
		2475	reattach $_ for values %MAP;
		2476
		2477	warn "loading reloadable resources";
		2478	load_resources;
		2479
		2480	warn "restarting server ticker";
		2481
		2482	$TICK_WATCHER->start;
1367	};	2483	};
1368		2484
1369	if ($@) {	2485	if ($@) {
1370	warn $@;	2486	warn $@;
1371	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
1372	exit 1;	2488	exit 1;
1373	}	2489	}
1374		2490
1375	warn "reloaded successfully";	2491	warn "reloaded";
1376	};	2492	};
1377		2493
1378	register "<global>", __PACKAGE__;	2494	our $RELOAD_WATCHER; # used only during reload
1379		2495
1380	register_command "perl-reload" => sub {	2496	register_command "reload" => sub {
1381	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
1382		2498
1383	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
1384	$who->message ("start of reload.");
1385	perl_reload;
1386	$who->message ("end of reload.");	2500	$who->message ("reloading server.");
		2501
		2502	# doing reload synchronously and two reloads happen back-to-back,
		2503	# coro crashes during coro_state_free->destroy here.
		2504
		2505	$RELOAD_WATCHER ||= Event->timer (
		2506	reentrant => 0,
		2507	after => 0,
		2508	data => WF_AUTOCANCEL,
		2509	cb => sub {
		2510	reload;
		2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
1387	}	2514	}
1388	};	2515	};
1389		2516
1390	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
1391		2520
1392	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
1393	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
1394	prio => 0,	2524	prio => 0,
1395	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
1396	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
1397	cb => sub {	2527	cb => sub {
1398	unless ($FREEZE) {	2528	if ($Coro::current != $Coro::main) {
		2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2530	unless ++$bug_warning > 10;
		2531	return;
		2532	}
		2533
		2534	$NOW = Event::time;
		2535
1399	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
1400	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
1401	}
1402
1403	$NEXT_TICK += $TICK;	2538	$NEXT_TICK += $TICK;
		2539
		2540	$WAIT_FOR_TICK->broadcast;
		2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2542
		2543	Event::sweep;
		2544	Coro::cede_notself;
		2545
		2546	# my $AFTER = Event::time;
		2547	# warn $AFTER - $NOW;#d#
1404		2548
1405	# if we are delayed by four ticks or more, skip them all	2549	# if we are delayed by four ticks or more, skip them all
1406	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1407		2551
1408	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
1409	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
1410	},	2554	},
1411	);	2555	);
1412		2556
1413	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
1414		2558
		2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
1415	Event->io (fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
1416	poll => 'r',	2563	poll => 'r',
1417	prio => 5,	2564	prio => 6,
1418	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
1419	cb => \&IO::AIO::poll_cb);	2566	cb => \&IO::AIO::poll_cb,
		2567	);
1420		2568
1421	# we must not ever block the main coroutine	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
1422	$Coro::idle = sub {	2570	reentrant => 0,
1423	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2571	data => WF_AUTOCANCEL,
1424	warn "FATAL: Coro::idle was called, major BUG\n";	2572	after => 1,
		2573	interval => 10,
		2574	prio => 6, # keep it lowest so it acts like a watchdog
1425	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
1426	Event::one_event;	2576	write_runtime
1427	})->();	2577	or warn "ERROR: unable to write runtime file: $!";
1428	};	2578	},
		2579	);
		2580
		2581	END { cf::emergency_save }
1429		2582
1430	1	2583	1
1431		2584

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