ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.100 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.189 by root, Sun Jan 21 21:28:27 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;	13	use Coro 3.4 ();
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		19
		20	use Data::Dumper;
		21	use Digest::MD5;
		22	use Fcntl;
19	use IO::AIO 2.3;	23	use IO::AIO 2.32 ();
20	use YAML::Syck ();	24	use YAML::Syck ();
21	use Time::HiRes;	25	use Time::HiRes;
22		26
23	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
24		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
25	# 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?
26	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
27		33
28	$Coro::main->prio (Coro::PRIO_MIN);	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		35
32	our %COMMAND = ();	36	our %COMMAND = ();
33	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
34	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
35		43
36	our @EVENT;	44	our @EVENT;
37	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
38		46
39	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
40	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
41	our $NEXT_TICK;	51	our $NEXT_TICK;
		52	our $NOW;
42		53
43	our %CFG;	54	our %CFG;
44		55
45	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
		57	our $RUNTIME;
		58
		59	our %PLAYER; # all users
		60	our %MAP; # all maps
		61	our $LINK_MAP; # the special {link} map, which is always available
		62	our $RANDOM_MAPS = cf::localdir . "/random";
		63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		69
		70	binmode STDOUT;
		71	binmode STDERR;
		72
		73	# read virtual server time, if available
		74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		75	open my $fh, "<", cf::localdir . "/runtime"
		76	or die "unable to read runtime file: $!";
		77	$RUNTIME = <$fh> + 0.;
		78	}
		79
		80	mkdir cf::localdir;
		81	mkdir cf::localdir . "/" . cf::playerdir;
		82	mkdir cf::localdir . "/" . cf::tmpdir;
		83	mkdir cf::localdir . "/" . cf::uniquedir;
		84	mkdir $RANDOM_MAPS;
		85
		86	our $EMERGENCY_POSITION;
46		87
47	#############################################################################	88	#############################################################################
48		89
49	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
50		91
51	=over 4	92	=over 4
52		93
53	=item $cf::UPTIME	94	=item $cf::UPTIME
54		95
55	The timestamp of the server start (so not actually an uptime).	96	The timestamp of the server start (so not actually an uptime).
		97
		98	=item $cf::RUNTIME
		99
		100	The time this server has run, starts at 0 and is increased by $cf::TICK on
		101	every server tick.
56		102
57	=item $cf::LIBDIR	103	=item $cf::LIBDIR
58		104
59	The perl library directory, where extensions and cf-specific modules can	105	The perl library directory, where extensions and cf-specific modules can
60	be found. It will be added to C<@INC> automatically.	106	be found. It will be added to C<@INC> automatically.
61		107
		108	=item $cf::NOW
		109
		110	The time of the last (current) server tick.
		111
62	=item $cf::TICK	112	=item $cf::TICK
63		113
64	The interval between server ticks, in seconds.	114	The interval between server ticks, in seconds.
65		115
66	=item %cf::CFG	116	=item %cf::CFG
67		117
68	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
69	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
70		127
71	=back	128	=back
72		129
73	=cut	130	=cut
74		131
75	BEGIN {	132	BEGIN {
76	*CORE::GLOBAL::warn = sub {	133	*CORE::GLOBAL::warn = sub {
77	my $msg = join "", @_;	134	my $msg = join "", @_;
		135	utf8::encode $msg;
		136
78	$msg .= "\n"	137	$msg .= "\n"
79	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
80		139
81	print STDERR "cfperl: $msg";
82	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
83	};	141	};
84	}	142	}
85		143
86	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
87	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
105		163
106	$Event::DIED = sub {	164	$Event::DIED = sub {
107	warn "error in event callback: @_";	165	warn "error in event callback: @_";
108	};	166	};
109		167
110	my %ext_pkg;
111	my @exts;
112	my @hook;
113
114	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
115		169
116	=over 4	170	=over 4
117		171
		172	=item dumpval $ref
		173
118	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
119		194
120	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
121		196
122	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
123		198
…		…
137	=cut	212	=cut
138		213
139	sub to_json($) {	214	sub to_json($) {
140	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
141	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
		217	}
		218
		219	=item cf::lock_wait $string
		220
		221	Wait until the given lock is available. See cf::lock_acquire.
		222
		223	=item my $lock = cf::lock_acquire $string
		224
		225	Wait until the given lock is available and then acquires it and returns
		226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		227	for example when the coroutine gets canceled), the lock is automatically
		228	returned.
		229
		230	Lock names should begin with a unique identifier (for example, cf::map::find
		231	uses map_find and cf::map::load uses map_load).
		232
		233	=cut
		234
		235	our %LOCK;
		236
		237	sub lock_wait($) {
		238	my ($key) = @_;
		239
		240	# wait for lock, if any
		241	while ($LOCK{$key}) {
		242	push @{ $LOCK{$key} }, $Coro::current;
		243	Coro::schedule;
		244	}
		245	}
		246
		247	sub lock_acquire($) {
		248	my ($key) = @_;
		249
		250	# wait, to be sure we are not locked
		251	lock_wait $key;
		252
		253	$LOCK{$key} = [];
		254
		255	Coro::guard {
		256	# wake up all waiters, to be on the safe side
		257	$_->ready for @{ delete $LOCK{$key} };
		258	}
		259	}
		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
		282
		283	=item cf::sync_job { BLOCK }
		284
		285	The design of crossfire+ requires that the main coro ($Coro::main) is
		286	always able to handle events or runnable, as crossfire+ is only partly
		287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		288
		289	If it must be done, put the blocking parts into C<sync_job>. This will run
		290	the given BLOCK in another coroutine while waiting for the result. The
		291	server will be frozen during this time, so the block should either finish
		292	fast or be very important.
		293
		294	=cut
		295
		296	sub sync_job(&) {
		297	my ($job) = @_;
		298
		299	if ($Coro::current == $Coro::main) {
		300	# this is the main coro, too bad, we have to block
		301	# till the operation succeeds, freezing the server :/
		302
		303	# TODO: use suspend/resume instead
		304	# (but this is cancel-safe)
		305	my $freeze_guard = freeze_mainloop;
		306
		307	my $busy = 1;
		308	my @res;
		309
		310	(async {
		311	@res = eval { $job->() };
		312	warn $@ if $@;
		313	undef $busy;
		314	})->prio (Coro::PRIO_MAX);
		315
		316	while ($busy) {
		317	Coro::cede or Event::one_event;
		318	}
		319
		320	wantarray ? @res : $res[0]
		321	} else {
		322	# we are in another coroutine, how wonderful, everything just works
		323
		324	$job->()
		325	}
		326	}
		327
		328	=item $coro = cf::async_ext { BLOCK }
		329
		330	Like async, but this coro is automatically being canceled when the
		331	extension calling this is being unloaded.
		332
		333	=cut
		334
		335	sub async_ext(&) {
		336	my $cb = shift;
		337
		338	my $coro = &Coro::async ($cb);
		339
		340	$coro->on_destroy (sub {
		341	delete $EXT_CORO{$coro+0};
		342	});
		343	$EXT_CORO{$coro+0} = $coro;
		344
		345	$coro
		346	}
		347
		348	sub write_runtime {
		349	my $runtime = cf::localdir . "/runtime";
		350
		351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		352	or return;
		353
		354	my $value = $cf::RUNTIME + 90 + 10;
		355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
		358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		359	and return;
		360
		361	aio_fsync $fh
		362	and return;
		363
		364	close $fh
		365	or return;
		366
		367	aio_rename "$runtime~", $runtime
		368	and return;
		369
		370	1
142	}	371	}
143		372
144	=back	373	=back
145		374
146	=cut	375	=cut
…		…
277	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
278	our @CB_MAP = ();	507	our @CB_MAP = ();
279		508
280	my %attachment;	509	my %attachment;
281		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
282	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
283	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
284		519
285	use sort 'stable';	520	use sort 'stable';
286		521
…		…
454	=cut	689	=cut
455		690
456	#############################################################################	691	#############################################################################
457	# object support	692	# object support
458		693
		694	sub reattach {
		695	# basically do the same as instantiate, without calling instantiate
		696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
		699
		700	my $registry = $obj->registry;
		701
		702	@$registry = ();
		703
		704	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
		705
		706	for my $name (keys %{ $obj->{_attachment} || {} }) {
		707	if (my $attach = $attachment{$name}) {
		708	for (@$attach) {
		709	my ($klass, @attach) = @$_;
		710	_attach $registry, $klass, @attach;
		711	}
		712	} else {
		713	warn "object uses attachment '$name' that is not available, postponing.\n";
		714	}
		715	}
		716	}
		717
459	cf::attachable->attach (	718	cf::attachable->attach (
460	prio => -1000000,	719	prio => -1000000,
461	on_instantiate => sub {	720	on_instantiate => sub {
462	my ($obj, $data) = @_;	721	my ($obj, $data) = @_;
463		722
…		…
467	my ($name, $args) = @$_;	726	my ($name, $args) = @$_;
468		727
469	$obj->attach ($name, %{$args || {} });	728	$obj->attach ($name, %{$args || {} });
470	}	729	}
471	},	730	},
472	on_reattach => sub {	731	on_reattach => \&reattach,
473	# basically do the same as instantiate, without calling instantiate
474	my ($obj) = @_;
475	my $registry = $obj->registry;
476
477	@$registry = ();
478
479	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
480
481	for my $name (keys %{ $obj->{_attachment} || {} }) {
482	if (my $attach = $attachment{$name}) {
483	for (@$attach) {
484	my ($klass, @attach) = @$_;
485	_attach $registry, $klass, @attach;
486	}
487	} else {
488	warn "object uses attachment '$name' that is not available, postponing.\n";
489	}
490	}
491	},
492	on_clone => sub {	732	on_clone => sub {
493	my ($src, $dst) = @_;	733	my ($src, $dst) = @_;
494		734
495	@{$dst->registry} = @{$src->registry};	735	@{$dst->registry} = @{$src->registry};
496		736
…		…
502	);	742	);
503		743
504	sub object_freezer_save {	744	sub object_freezer_save {
505	my ($filename, $rdata, $objs) = @_;	745	my ($filename, $rdata, $objs) = @_;
506		746
		747	sync_job {
507	if (length $$rdata) {	748	if (length $$rdata) {
508	warn sprintf "saving %s (%d,%d)\n",	749	warn sprintf "saving %s (%d,%d)\n",
509	$filename, length $$rdata, scalar @$objs;	750	$filename, length $$rdata, scalar @$objs;
510		751
511	if (open my $fh, ">:raw", "$filename~") {	752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
512	chmod SAVE_MODE, $fh;
513	syswrite $fh, $$rdata;
514	close $fh;
515
516	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
517	chmod SAVE_MODE, $fh;	753	chmod SAVE_MODE, $fh;
518	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		755	aio_fsync $fh;
519	close $fh;	756	close $fh;
		757
		758	if (@$objs) {
		759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		760	chmod SAVE_MODE, $fh;
		761	my $data = Storable::nfreeze { version => 1, objs => $objs };
		762	aio_write $fh, 0, (length $data), $data, 0;
		763	aio_fsync $fh;
		764	close $fh;
520	rename "$filename.pst~", "$filename.pst";	765	aio_rename "$filename.pst~", "$filename.pst";
		766	}
		767	} else {
		768	aio_unlink "$filename.pst";
		769	}
		770
		771	aio_rename "$filename~", $filename;
521	} else {	772	} else {
522	unlink "$filename.pst";	773	warn "FATAL: $filename~: $!\n";
523	}	774	}
524
525	rename "$filename~", $filename;
526	} else {	775	} else {
527	warn "FATAL: $filename~: $!\n";
528	}
529	} else {
530	unlink $filename;	776	aio_unlink $filename;
531	unlink "$filename.pst";	777	aio_unlink "$filename.pst";
		778	}
532	}	779	}
533	}	780	}
534		781
535	sub object_freezer_as_string {	782	sub object_freezer_as_string {
536	my ($rdata, $objs) = @_;	783	my ($rdata, $objs) = @_;
…		…
541	}	788	}
542		789
543	sub object_thawer_load {	790	sub object_thawer_load {
544	my ($filename) = @_;	791	my ($filename) = @_;
545		792
546	local $/;	793	my ($data, $av);
547		794
548	my $av;	795	(aio_load $filename, $data) >= 0
		796	or return;
549		797
550	#TODO: use sysread etc.	798	unless (aio_stat "$filename.pst") {
551	if (open my $data, "<:raw:perlio", $filename) {	799	(aio_load "$filename.pst", $av) >= 0
552	$data = <$data>;	800	or return;
553	if (open my $pst, "<:raw:perlio", "$filename.pst") {
554	$av = eval { (Storable::thaw <$pst>)->{objs} };	801	$av = eval { (Storable::thaw $av)->{objs} };
555	}	802	}
		803
		804	warn sprintf "loading %s (%d)\n",
		805	$filename, length $data, scalar @{$av || []};#d#
556	return ($data, $av);	806	return ($data, $av);
557	}
558
559	()
560	}	807	}
561		808
562	#############################################################################	809	#############################################################################
563	# command handling &c	810	# command handling &c
564		811
…		…
588	=cut	835	=cut
589		836
590	sub register_extcmd {	837	sub register_extcmd {
591	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
592		839
593	my $caller = caller;
594	#warn "registering extcmd '$name' to '$caller'";
595
596	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
597	}	841	}
598		842
599	cf::player->attach (	843	cf::player->attach (
600	on_command => sub {	844	on_command => sub {
601	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
614		858
615	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
616		860
617	if (ref $msg) {	861	if (ref $msg) {
618	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
619	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
620	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
621	}	865	}
622	}	866	}
623	} else {	867	} else {
624	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
626		870
627	cf::override;	871	cf::override;
628	},	872	},
629	);	873	);
630		874
631	sub register {
632	my ($base, $pkg) = @_;
633
634	#TODO
635	}
636
637	sub load_extension {	875	sub load_extension {
638	my ($path) = @_;	876	my ($path) = @_;
639		877
640	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
641	my $base = $1;	879	my $base = $1;
642	my $pkg = $1;	880	my $pkg = $1;
643	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
644	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
645		883
646	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
647		885
648	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
649	or die "$path: $!";	887	or die "$path: $!";
650		888
651	my $source =	889	my $source =
652	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
653	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
654	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
655	. "\n};\n1";	893	. "\n};\n1";
656		894
657	eval $source	895	unless (eval $source) {
658	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
659	: "extension disabled.\n";	897	: "extension disabled.\n";
660		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
661	push @exts, $pkg;	899	warn $@;
662	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
663		901	exit 1;
664	# no strict 'refs';	902	}
665	# @{"$pkg\::ISA"} = ext::;	903	die $@;
666
667	register $base, $pkg;
668	}
669
670	sub unload_extension {
671	my ($pkg) = @_;
672
673	warn "removing extension $pkg\n";
674
675	# remove hooks
676	#TODO
677	# for my $idx (0 .. $#PLUGIN_EVENT) {
678	# delete $hook[$idx]{$pkg};
679	# }	904	}
680		905
681	# remove commands	906	push @EXTS, $pkg;
682	for my $name (keys %COMMAND) {
683	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
684
685	if (@cb) {
686	$COMMAND{$name} = \@cb;
687	} else {
688	delete $COMMAND{$name};
689	}
690	}
691
692	# remove extcmds
693	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
694	delete $EXTCMD{$name};
695	}
696
697	if (my $cb = $pkg->can ("unload")) {
698	eval {
699	$cb->($pkg);
700	1
701	} or warn "$pkg unloaded, but with errors: $@";
702	}
703
704	Symbol::delete_package $pkg;
705	}	907	}
706		908
707	sub load_extensions {	909	sub load_extensions {
708	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
709	next unless -r $ext;	911	next unless -r $ext;
…		…
713	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
714	}	916	}
715	}	917	}
716		918
717	#############################################################################	919	#############################################################################
718	# load/save/clean perl data associated with a map
719		920
720	*cf::mapsupport::on_clean = sub {	921	=head2 CORE EXTENSIONS
		922
		923	Functions and methods that extend core crossfire objects.
		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
		931	=head3 cf::player
		932
		933	=over 4
		934
		935	=item cf::player::find $login
		936
		937	Returns the given player object, loading it if necessary (might block).
		938
		939	=cut
		940
		941	sub playerdir($) {
		942	cf::localdir
		943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
		1088	}
		1089
		1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1091
		1092	Sends an ext reply to the player.
		1093
		1094	=cut
		1095
		1096	sub ext_reply($$$%) {
		1097	my ($self, $id, %msg) = @_;
		1098
		1099	$msg{msgid} = $id;
		1100
		1101	$self->send ("ext " . cf::to_json \%msg);
		1102	}
		1103
		1104	package cf;
		1105
		1106	=back
		1107
		1108
		1109	=head3 cf::map
		1110
		1111	=over 4
		1112
		1113	=cut
		1114
		1115	package cf::map;
		1116
		1117	use Fcntl;
		1118	use Coro::AIO;
		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
		1124	our $MAX_RESET = 3600;
		1125	our $DEFAULT_RESET = 3000;
		1126
		1127	sub generate_random_map {
		1128	my ($self, $rmp) = @_;
		1129	# mit "rum" bekleckern, nicht
		1130	$self->_create_random_map (
		1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1134	$rmp->{exit_on_final_map},
		1135	$rmp->{xsize}, $rmp->{ysize},
		1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1268	}
		1269
		1270	# and all this just because we cannot iterate over
		1271	# all maps in C++...
		1272	sub change_all_map_light {
		1273	my ($change) = @_;
		1274
		1275	$_->change_map_light ($change)
		1276	for grep $_->outdoor, values %cf::MAP;
		1277	}
		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
		1287	sub load_header_from($) {
		1288	my ($self, $path) = @_;
		1289
		1290	utf8::encode $path;
		1291	aio_open $path, O_RDONLY, 0
		1292	or return;
		1293
		1294	$self->_load_header ($path)
		1295	or return;
		1296
		1297	$self->{load_path} = $path;
		1298
		1299	1
		1300	}
		1301
		1302	sub load_header_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_header_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub prepare_temp {
		1315	my ($self) = @_;
		1316
		1317	$self->last_access ((delete $self->{last_access})
		1318	|| $cf::RUNTIME); #d#
		1319	# safety
		1320	$self->{instantiate_time} = $cf::RUNTIME
		1321	if $self->{instantiate_time} > $cf::RUNTIME;
		1322	}
		1323
		1324	sub prepare_orig {
		1325	my ($self) = @_;
		1326
		1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
		1332
		1333	sub load_header {
		1334	my ($self) = @_;
		1335
		1336	if ($self->load_header_temp) {
		1337	$self->prepare_temp;
		1338	} else {
		1339	$self->load_header_orig
		1340	or return;
		1341	$self->prepare_orig;
		1342	}
		1343
		1344	1
		1345	}
		1346
		1347	sub find;
		1348	sub find {
		1349	my ($path, $origin) = @_;
		1350
		1351	$path = normalise $path, $origin && $origin->path;
		1352
		1353	cf::lock_wait "map_find:$path";
		1354
		1355	$cf::MAP{$path} || do {
		1356	my $guard = cf::lock_acquire "map_find:$path";
		1357	my $map = new_from_path cf::map $path
		1358	or return;
		1359
		1360	$map->{last_save} = $cf::RUNTIME;
		1361
		1362	$map->load_header
		1363	or return;
		1364
		1365	if ($map->should_reset) {
		1366	# doing this can freeze the server in a sync job, obviously
		1367	#$cf::WAIT_FOR_TICK->wait;
		1368	$map->reset;
		1369	undef $guard;
		1370	$map = find $path
		1371	or return;
		1372	}
		1373
		1374	$cf::MAP{$path} = $map
		1375	}
		1376	}
		1377
		1378	sub pre_load { }
		1379	sub post_load { }
		1380
		1381	sub load {
		1382	my ($self) = @_;
		1383
		1384	my $path = $self->{path};
		1385	my $guard = cf::lock_acquire "map_load:$path";
		1386
		1387	return if $self->in_memory != cf::MAP_SWAPPED;
		1388
		1389	$self->in_memory (cf::MAP_LOADING);
		1390
		1391	$self->alloc;
		1392
		1393	$self->pre_load;
		1394
		1395	$self->_load_objects ($self->{load_path}, 1)
		1396	or return;
		1397
		1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1399	if delete $self->{load_original};
		1400
		1401	if (my $uniq = $self->uniq_path) {
		1402	utf8::encode $uniq;
		1403	if (aio_open $uniq, O_RDONLY, 0) {
		1404	$self->clear_unique_items;
		1405	$self->_load_objects ($uniq, 0);
		1406	}
		1407	}
		1408
		1409	Coro::cede;
		1410
		1411	# now do the right thing for maps
		1412	$self->link_multipart_objects;
		1413
		1414	unless ($self->{deny_activate}) {
		1415	$self->decay_objects;
		1416	$self->fix_auto_apply;
		1417	$self->update_buttons;
		1418	Coro::cede;
		1419	$self->set_darkness_map;
		1420	$self->difficulty ($self->estimate_difficulty)
		1421	unless $self->difficulty;
		1422	Coro::cede;
		1423	$self->activate;
		1424	}
		1425
		1426	$self->post_load;
		1427
		1428	$self->in_memory (cf::MAP_IN_MEMORY);
		1429	}
		1430
		1431	sub customise_for {
		1432	my ($self, $ob) = @_;
		1433
		1434	return find "~" . $ob->name . "/" . $self->{path}
		1435	if $self->per_player;
		1436
		1437	$self
		1438	}
		1439
		1440	# find and load all maps in the 3x3 area around a map
		1441	sub load_diag {
721	my ($map) = @_;	1442	my ($map) = @_;
722		1443
723	my $path = $map->tmpname;	1444	my @diag; # diagonal neighbours
724	defined $path or return;
725		1445
726	unlink "$path.pst";	1446	for (0 .. 3) {
727	};	1447	my $neigh = $map->tile_path ($_)
		1448	or next;
		1449	$neigh = find $neigh, $map
		1450	or next;
		1451	$neigh->load;
728		1452
729	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1455	}
730		1456
731	#############################################################################	1457	for (@diag) {
732	# load/save perl data associated with player->ob objects	1458	my $neigh = find @$_
733		1459	or next;
734	sub all_objects(@) {	1460	$neigh->load;
735	@_, map all_objects ($_->inv), @_	1461	}
736	}	1462	}
737		1463
738	# TODO: compatibility cruft, remove when no longer needed	1464	sub find_sync {
739	cf::player->attach (	1465	my ($path, $origin) = @_;
740	on_load => sub {
741	my ($pl, $path) = @_;
742		1466
743	for my $o (all_objects $pl->ob) {	1467	cf::sync_job { find $path, $origin }
744	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1468	}
745	$o->set_ob_key_value ("_perl_data");
746		1469
747	%$o = %{ Storable::thaw pack "H*", $value };	1470	sub do_load_sync {
		1471	my ($map) = @_;
		1472
		1473	cf::sync_job { $map->load };
		1474	}
		1475
		1476	our %MAP_PREFETCH;
		1477	our $MAP_PREFETCHER = undef;
		1478
		1479	sub find_async {
		1480	my ($path, $origin) = @_;
		1481
		1482	$path = normalise $path, $origin && $origin->{path};
		1483
		1484	if (my $map = $cf::MAP{$path}) {
		1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1486	}
		1487
		1488	undef $MAP_PREFETCH{$path};
		1489	$MAP_PREFETCHER ||= cf::async {
		1490	while (%MAP_PREFETCH) {
		1491	for my $path (keys %MAP_PREFETCH) {
		1492	my $map = find $path
		1493	or next;
		1494	$map->load;
		1495
		1496	delete $MAP_PREFETCH{$path};
748	}	1497	}
749	}	1498	}
		1499	undef $MAP_PREFETCHER;
		1500	};
		1501	$MAP_PREFETCHER->prio (6);
		1502
		1503	()
		1504	}
		1505
		1506	sub save {
		1507	my ($self) = @_;
		1508
		1509	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1510
		1511	$self->{last_save} = $cf::RUNTIME;
		1512
		1513	return unless $self->dirty;
		1514
		1515	my $save = $self->save_path; utf8::encode $save;
		1516	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1517
		1518	$self->{load_path} = $save;
		1519
		1520	return if $self->{deny_save};
		1521
		1522	local $self->{last_access} = $self->last_access;#d#
		1523
		1524	cf::async {
		1525	$_->contr->save for $self->players;
		1526	};
		1527
		1528	if ($uniq) {
		1529	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1530	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		1531	} else {
		1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
750	},	1533	}
751	);	1534	}
752		1535
753	#############################################################################	1536	sub swap_out {
		1537	my ($self) = @_;
754		1538
755	=head2 CORE EXTENSIONS	1539	# save first because save cedes
		1540	$self->save;
756		1541
757	Functions and methods that extend core crossfire objects.	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
758		1543
759	=head3 cf::player	1544	return if $self->players;
		1545	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1546	return if $self->{deny_save};
		1547
		1548	$self->clear;
		1549	$self->in_memory (cf::MAP_SWAPPED);
		1550	}
		1551
		1552	sub reset_at {
		1553	my ($self) = @_;
		1554
		1555	# TODO: safety, remove and allow resettable per-player maps
		1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1557	return 1e99 if $self->{deny_reset};
		1558
		1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1561
		1562	$time + $to
		1563	}
		1564
		1565	sub should_reset {
		1566	my ($self) = @_;
		1567
		1568	$self->reset_at <= $cf::RUNTIME
		1569	}
		1570
		1571	sub reset {
		1572	my ($self) = @_;
		1573
		1574	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1575
		1576	return if $self->players;
		1577	return if $self->isa ("ext::map_per_player");#d#
		1578
		1579	warn "resetting map ", $self->path;#d#
		1580
		1581	delete $cf::MAP{$self->path};
		1582
		1583	$self->in_memory (cf::MAP_SWAPPED);
		1584	$self->clear;
		1585
		1586	$_->clear_links_to ($self) for values %cf::MAP;
		1587
		1588	$self->unlink_save;
		1589	$self->destroy;
		1590	}
		1591
		1592	my $nuke_counter = "aaaa";
		1593
		1594	sub nuke {
		1595	my ($self) = @_;
		1596
		1597	delete $cf::MAP{$self->path};
		1598
		1599	$self->unlink_save;
		1600
		1601	bless $self, "cf::map";
		1602	delete $self->{deny_reset};
		1603	$self->{deny_save} = 1;
		1604	$self->reset_timeout (1);
		1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1606
		1607	$cf::MAP{$self->path} = $self;
		1608
		1609	$self->reset; # polite request, might not happen
		1610	}
		1611
		1612	=item cf::map::unique_maps
		1613
		1614	Returns an arrayref of paths of all shared maps that have
		1615	instantiated unique items. May block.
		1616
		1617	=cut
		1618
		1619	sub unique_maps() {
		1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1621	or return;
		1622
		1623	my @paths;
		1624
		1625	for (@$files) {
		1626	utf8::decode $_;
		1627	next if /\.pst$/;
		1628	next unless /^$PATH_SEP/o;
		1629
		1630	s/\.map$//;
		1631	push @paths, $_;
		1632	}
		1633
		1634	\@paths
		1635	}
		1636
		1637	package cf;
		1638
		1639	=back
		1640
		1641	=head3 cf::object
		1642
		1643	=cut
		1644
		1645	package cf::object;
760		1646
761	=over 4	1647	=over 4
762		1648
763	=item cf::player::exists $login	1649	=item $ob->inv_recursive
764		1650
765	Returns true when the given account exists.	1651	Returns the inventory of the object _and_ their inventories, recursively.
766		1652
767	=cut	1653	=cut
768		1654
769	sub cf::player::exists($) {	1655	sub inv_recursive_;
770	cf::player::find $_[0]	1656	sub inv_recursive_ {
771	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1657	map { $_, inv_recursive_ $_->inv } @_
772	}	1658	}
773		1659
774	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	sub inv_recursive {
775		1661	inv_recursive_ inv $_[0]
776	Sends an ext reply to the player.
777
778	=cut
779
780	sub cf::player::ext_reply($$$%) {
781	my ($self, $id, %msg) = @_;
782
783	$msg{msgid} = $id;
784
785	$self->send ("ext " . to_json \%msg);
786	}	1662	}
		1663
		1664	package cf;
787		1665
788	=back	1666	=back
789		1667
790	=head3 cf::object::player	1668	=head3 cf::object::player
791		1669
…		…
829	(ref $cf::CFG{"may_$access"}	1707	(ref $cf::CFG{"may_$access"}
830	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1708	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
831	: $cf::CFG{"may_$access"})	1709	: $cf::CFG{"may_$access"})
832	}	1710	}
833		1711
		1712	=item $player_object->enter_link
		1713
		1714	Freezes the player and moves him/her to a special map (C<{link}>).
		1715
		1716	The player should be reasonably safe there for short amounts of time. You
		1717	I<MUST> call C<leave_link> as soon as possible, though.
		1718
		1719	Will never block.
		1720
		1721	=item $player_object->leave_link ($map, $x, $y)
		1722
		1723	Moves the player out of the special C<{link}> map onto the specified
		1724	map. If the map is not valid (or omitted), the player will be moved back
		1725	to the location he/she was before the call to C<enter_link>, or, if that
		1726	fails, to the emergency map position.
		1727
		1728	Might block.
		1729
		1730	=cut
		1731
		1732	sub link_map {
		1733	unless ($LINK_MAP) {
		1734	$LINK_MAP = cf::map::find "{link}"
		1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1736	$LINK_MAP->load;
		1737	}
		1738
		1739	$LINK_MAP
		1740	}
		1741
		1742	sub cf::object::player::enter_link {
		1743	my ($self) = @_;
		1744
		1745	$self->deactivate_recursive;
		1746
		1747	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1748
		1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1750	if $self->map;
		1751
		1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);
		1753	}
		1754
		1755	sub cf::object::player::leave_link {
		1756	my ($self, $map, $x, $y) = @_;
		1757
		1758	my $link_pos = delete $self->{_link_pos};
		1759
		1760	unless ($map) {
		1761	# restore original map position
		1762	($map, $x, $y) = @{ $link_pos || [] };
		1763	$map = cf::map::find $map;
		1764
		1765	unless ($map) {
		1766	($map, $x, $y) = @$EMERGENCY_POSITION;
		1767	$map = cf::map::find $map
		1768	or die "FATAL: cannot load emergency map\n";
		1769	}
		1770	}
		1771
		1772	($x, $y) = (-1, -1)
		1773	unless (defined $x) && (defined $y);
		1774
		1775	# use -1 or undef as default coordinates, not 0, 0
		1776	($x, $y) = ($map->enter_x, $map->enter_y)
		1777	if $x <=0 && $y <= 0;
		1778
		1779	$map->load;
		1780	$map->load_diag;
		1781
		1782	return unless $self->contr->active;
		1783	$self->activate_recursive;
		1784	$self->enter_map ($map, $x, $y);
		1785	}
		1786
		1787	cf::player->attach (
		1788	on_logout => sub {
		1789	my ($pl) = @_;
		1790
		1791	# abort map switching before logout
		1792	if ($pl->ob->{_link_pos}) {
		1793	cf::sync_job {
		1794	$pl->ob->leave_link
		1795	};
		1796	}
		1797	},
		1798	on_login => sub {
		1799	my ($pl) = @_;
		1800
		1801	# try to abort aborted map switching on player login :)
		1802	# should happen only on crashes
		1803	if ($pl->ob->{_link_pos}) {
		1804	$pl->ob->enter_link;
		1805	(async {
		1806	# we need this sleep as the login has a concurrent enter_exit running
		1807	# and this sleep increases chances of the player not ending up in scorn
		1808	$pl->ob->reply (undef,
		1809	"There was an internal problem at your last logout, "
		1810	. "the server will try to bring you to your intended destination in a second.",
		1811	cf::NDI_RED);
		1812	Coro::Timer::sleep 1;
		1813	$pl->ob->leave_link;
		1814	})->prio (2);
		1815	}
		1816	},
		1817	);
		1818
		1819	=item $player_object->goto ($path, $x, $y)
		1820
		1821	=cut
		1822
		1823	sub cf::object::player::goto {
		1824	my ($self, $path, $x, $y) = @_;
		1825
		1826	$self->enter_link;
		1827
		1828	(async {
		1829	my $map = cf::map::find $path;
		1830	$map = $map->customise_for ($self) if $map;
		1831
		1832	# warn "entering ", $map->path, " at ($x, $y)\n"
		1833	# if $map;
		1834
		1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1836
		1837	$self->leave_link ($map, $x, $y);
		1838	})->prio (1);
		1839	}
		1840
		1841	=item $player_object->enter_exit ($exit_object)
		1842
		1843	=cut
		1844
		1845	sub parse_random_map_params {
		1846	my ($spec) = @_;
		1847
		1848	my $rmp = { # defaults
		1849	xsize => (cf::rndm 15, 40),
		1850	ysize => (cf::rndm 15, 40),
		1851	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1852	#layout => string,
		1853	};
		1854
		1855	for (split /\n/, $spec) {
		1856	my ($k, $v) = split /\s+/, $_, 2;
		1857
		1858	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1859	}
		1860
		1861	$rmp
		1862	}
		1863
		1864	sub prepare_random_map {
		1865	my ($exit) = @_;
		1866
		1867	my $guard = cf::lock_acquire "exit_prepare:$exit";
		1868
		1869	# all this does is basically replace the /! path by
		1870	# a new random map path (?random/...) with a seed
		1871	# that depends on the exit object
		1872
		1873	my $rmp = parse_random_map_params $exit->msg;
		1874
		1875	if ($exit->map) {
		1876	$rmp->{region} = $exit->map->region_name;
		1877	$rmp->{origin_map} = $exit->map->path;
		1878	$rmp->{origin_x} = $exit->x;
		1879	$rmp->{origin_y} = $exit->y;
		1880	}
		1881
		1882	$rmp->{random_seed} ||= $exit->random_seed;
		1883
		1884	my $data = cf::to_json $rmp;
		1885	my $md5 = Digest::MD5::md5_hex $data;
		1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
		1887
		1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		1889	aio_write $fh, 0, (length $data), $data, 0;
		1890	undef $fh;
		1891	aio_rename "$meta~", $meta;
		1892
		1893	$exit->slaying ("?random/$md5");
		1894	$exit->msg (undef);
		1895	}
		1896	}
		1897
		1898	sub cf::object::player::enter_exit {
		1899	my ($self, $exit) = @_;
		1900
		1901	return unless $self->type == cf::PLAYER;
		1902
		1903	$self->enter_link;
		1904
		1905	(async {
		1906	$self->deactivate_recursive; # just to be sure
		1907	unless (eval {
		1908	prepare_random_map $exit
		1909	if $exit->slaying eq "/!";
		1910
		1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
		1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1913
		1914	1;
		1915	}) {
		1916	$self->message ("Something went wrong deep within the crossfire server. "
		1917	. "I'll try to bring you back to the map you were before. "
		1918	. "Please report this to the dungeon master!",
		1919	cf::NDI_UNIQUE | cf::NDI_RED);
		1920
		1921	warn "ERROR in enter_exit: $@";
		1922	$self->leave_link;
		1923	}
		1924	})->prio (1);
		1925	}
		1926
834	=head3 cf::client	1927	=head3 cf::client
835		1928
836	=over 4	1929	=over 4
837		1930
838	=item $client->send_drawinfo ($text, $flags)	1931	=item $client->send_drawinfo ($text, $flags)
…		…
881	on_reply => sub {	1974	on_reply => sub {
882	my ($ns, $msg) = @_;	1975	my ($ns, $msg) = @_;
883		1976
884	# this weird shuffling is so that direct followup queries	1977	# this weird shuffling is so that direct followup queries
885	# get handled first	1978	# get handled first
886	my $queue = delete $ns->{query_queue};	1979	my $queue = delete $ns->{query_queue}
		1980	or return; # be conservative, not sure how that can happen, but we saw a crash here
887		1981
888	(shift @$queue)->[1]->($msg);	1982	(shift @$queue)->[1]->($msg);
889		1983
890	push @{ $ns->{query_queue} }, @$queue;	1984	push @{ $ns->{query_queue} }, @$queue;
891		1985
…		…
897	}	1991	}
898	}	1992	}
899	},	1993	},
900	);	1994	);
901		1995
902	=item $client->coro (\&cb)	1996	=item $client->async (\&cb)
903		1997
904	Create a new coroutine, running the specified callback. The coroutine will	1998	Create a new coroutine, running the specified callback. The coroutine will
905	be automatically cancelled when the client gets destroyed (e.g. on logout,	1999	be automatically cancelled when the client gets destroyed (e.g. on logout,
906	or loss of connection).	2000	or loss of connection).
907		2001
908	=cut	2002	=cut
909		2003
910	sub cf::client::coro {	2004	sub cf::client::async {
911	my ($self, $cb) = @_;	2005	my ($self, $cb) = @_;
912		2006
913	my $coro; $coro = async {	2007	my $coro = &Coro::async ($cb);
914	eval {	2008
915	$cb->();	2009	$coro->on_destroy (sub {
916	};
917	warn $@ if $@;
918	delete $self->{_coro}{$coro+0};	2010	delete $self->{_coro}{$coro+0};
919	};	2011	});
920		2012
921	$self->{_coro}{$coro+0} = $coro;	2013	$self->{_coro}{$coro+0} = $coro;
		2014
		2015	$coro
922	}	2016	}
923		2017
924	cf::client->attach (	2018	cf::client->attach (
925	on_destroy => sub {	2019	on_destroy => sub {
926	my ($ns) = @_;	2020	my ($ns) = @_;
…		…
1090		2184
1091	{	2185	{
1092	my $path = cf::localdir . "/database.pst";	2186	my $path = cf::localdir . "/database.pst";
1093		2187
1094	sub db_load() {	2188	sub db_load() {
1095	warn "loading database $path\n";#d# remove later
1096	$DB = stat $path ? Storable::retrieve $path : { };	2189	$DB = stat $path ? Storable::retrieve $path : { };
1097	}	2190	}
1098		2191
1099	my $pid;	2192	my $pid;
1100		2193
1101	sub db_save() {	2194	sub db_save() {
1102	warn "saving database $path\n";#d# remove later
1103	waitpid $pid, 0 if $pid;	2195	waitpid $pid, 0 if $pid;
1104	if (0 == ($pid = fork)) {	2196	if (0 == ($pid = fork)) {
1105	$DB->{_meta}{version} = 1;	2197	$DB->{_meta}{version} = 1;
1106	Storable::nstore $DB, "$path~";	2198	Storable::nstore $DB, "$path~";
1107	rename "$path~", $path;	2199	rename "$path~", $path;
…		…
1114	sub db_sync() {	2206	sub db_sync() {
1115	db_save if $dirty;	2207	db_save if $dirty;
1116	undef $dirty;	2208	undef $dirty;
1117	}	2209	}
1118		2210
1119	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2211	my $idle = Event->idle (
1120	db_sync;	2212	reentrant => 0,
		2213	min => 10,
		2214	max => 20,
		2215	repeat => 0,
		2216	data => WF_AUTOCANCEL,
		2217	cb => \&db_sync,
1121	});	2218	);
1122		2219
1123	sub db_dirty() {	2220	sub db_dirty() {
1124	$dirty = 1;	2221	$dirty = 1;
1125	$idle->start;	2222	$idle->start;
1126	}	2223	}
…		…
1155	open my $fh, "<:utf8", cf::confdir . "/config"	2252	open my $fh, "<:utf8", cf::confdir . "/config"
1156	or return;	2253	or return;
1157		2254
1158	local $/;	2255	local $/;
1159	*CFG = YAML::Syck::Load <$fh>;	2256	*CFG = YAML::Syck::Load <$fh>;
		2257
		2258	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2259
		2260	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2261	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2262
		2263	if (exists $CFG{mlockall}) {
		2264	eval {
		2265	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2266	and die "WARNING: m(un)lockall failed: $!\n";
		2267	};
		2268	warn $@ if $@;
		2269	}
1160	}	2270	}
1161		2271
1162	sub main {	2272	sub main {
		2273	# we must not ever block the main coroutine
		2274	local $Coro::idle = sub {
		2275	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2276	(async {
		2277	Event::one_event;
		2278	})->prio (Coro::PRIO_MAX);
		2279	};
		2280
1163	cfg_load;	2281	cfg_load;
1164	db_load;	2282	db_load;
1165	load_extensions;	2283	load_extensions;
		2284
		2285	$TICK_WATCHER->start;
1166	Event::loop;	2286	Event::loop;
1167	}	2287	}
1168		2288
1169	#############################################################################	2289	#############################################################################
1170	# initialisation	2290	# initialisation and cleanup
1171		2291
		2292	# install some emergency cleanup handlers
		2293	BEGIN {
		2294	for my $signal (qw(INT HUP TERM)) {
		2295	Event->signal (
		2296	reentrant => 0,
		2297	data => WF_AUTOCANCEL,
		2298	signal => $signal,
		2299	cb => sub {
		2300	cf::cleanup "SIG$signal";
		2301	},
		2302	);
		2303	}
		2304	}
		2305
		2306	sub emergency_save() {
		2307	my $freeze_guard = cf::freeze_mainloop;
		2308
		2309	warn "enter emergency perl save\n";
		2310
		2311	cf::sync_job {
		2312	# use a peculiar iteration method to avoid tripping on perl
		2313	# refcount bugs in for. also avoids problems with players
		2314	# and maps saved/destroyed asynchronously.
		2315	warn "begin emergency player save\n";
		2316	for my $login (keys %cf::PLAYER) {
		2317	my $pl = $cf::PLAYER{$login} or next;
		2318	$pl->valid or next;
		2319	$pl->save;
		2320	}
		2321	warn "end emergency player save\n";
		2322
		2323	warn "begin emergency map save\n";
		2324	for my $path (keys %cf::MAP) {
		2325	my $map = $cf::MAP{$path} or next;
		2326	$map->valid or next;
		2327	$map->save;
		2328	}
		2329	warn "end emergency map save\n";
		2330	};
		2331
		2332	warn "leave emergency perl save\n";
		2333	}
		2334
1172	sub _perl_reload(&) {	2335	sub reload() {
1173	my ($msg) = @_;	2336	# can/must only be called in main
		2337	if ($Coro::current != $Coro::main) {
		2338	warn "can only reload from main coroutine";
		2339	return;
		2340	}
1174		2341
1175	$msg->("reloading...");	2342	warn "reloading...";
		2343
		2344	warn "cancelling server ticker";
		2345	$TICK_WATCHER->cancel;
		2346
		2347	cf::emergency_save;
1176		2348
1177	eval {	2349	eval {
1178	# cancel all watchers	2350	# if anything goes wrong in here, we should simply crash as we already saved
		2351
		2352	warn "syncing database to disk";
		2353	cf::db_sync;
		2354
		2355	warn "cancelling all WF_AUTOCANCEL watchers";
1179	for (Event::all_watchers) {	2356	for (Event::all_watchers) {
1180	$_->cancel if $_->data & WF_AUTOCANCEL;	2357	$_->cancel if $_->data & WF_AUTOCANCEL;
1181	}	2358	}
1182		2359
1183	# unload all extensions	2360	warn "flushing outstanding aio requests";
1184	for (@exts) {	2361	for (;;) {
1185	$msg->("unloading <$_>");	2362	IO::AIO::flush;
1186	unload_extension $_;	2363	Coro::cede;
		2364	last unless IO::AIO::nreqs;
		2365	warn "iterate...";
		2366	}
		2367
		2368	warn "cancelling all extension coros";
		2369	$_->cancel for values %EXT_CORO;
		2370	%EXT_CORO = ();
		2371
		2372	warn "removing commands";
		2373	%COMMAND = ();
		2374
		2375	warn "removing ext commands";
		2376	%EXTCMD = ();
		2377
		2378	warn "unloading/nuking all extensions";
		2379	for my $pkg (@EXTS) {
		2380	warn "... unloading $pkg";
		2381
		2382	if (my $cb = $pkg->can ("unload")) {
		2383	eval {
		2384	$cb->($pkg);
		2385	1
		2386	} or warn "$pkg unloaded, but with errors: $@";
1187	}	2387	}
1188		2388
		2389	warn "... nuking $pkg";
		2390	Symbol::delete_package $pkg;
		2391	}
		2392
1189	# unload all modules loaded from $LIBDIR	2393	warn "unloading all perl modules loaded from $LIBDIR";
1190	while (my ($k, $v) = each %INC) {	2394	while (my ($k, $v) = each %INC) {
1191	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2395	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1192		2396
1193	$msg->("removing <$k>");	2397	warn "... unloading $k";
1194	delete $INC{$k};	2398	delete $INC{$k};
1195		2399
1196	$k =~ s/\.pm$//;	2400	$k =~ s/\.pm$//;
1197	$k =~ s/\//::/g;	2401	$k =~ s/\//::/g;
1198		2402
…		…
1201	}	2405	}
1202		2406
1203	Symbol::delete_package $k;	2407	Symbol::delete_package $k;
1204	}	2408	}
1205		2409
1206	# sync database to disk
1207	cf::db_sync;
1208
1209	# get rid of safe::, as good as possible	2410	warn "getting rid of safe::, as good as possible";
1210	Symbol::delete_package "safe::$_"	2411	Symbol::delete_package "safe::$_"
1211	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1212		2413
1213	# remove register_script_function callbacks
1214	# TODO
1215
1216	# unload cf.pm "a bit"	2414	warn "unloading cf.pm \"a bit\"";
1217	delete $INC{"cf.pm"};	2415	delete $INC{"cf.pm"};
1218		2416
1219	# don't, removes xs symbols, too,	2417	# don't, removes xs symbols, too,
1220	# and global variables created in xs	2418	# and global variables created in xs
1221	#Symbol::delete_package __PACKAGE__;	2419	#Symbol::delete_package __PACKAGE__;
1222		2420
1223	# reload cf.pm	2421	warn "unload completed, starting to reload now";
		2422
1224	$msg->("reloading cf.pm");	2423	warn "reloading cf.pm";
1225	require cf;	2424	require cf;
1226	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1227		2426
1228
1229	# load config and database again	2427	warn "loading config and database again";
1230	cf::cfg_load;	2428	cf::cfg_load;
1231	cf::db_load;	2429	cf::db_load;
1232		2430
1233	# load extensions	2431	warn "loading extensions";
1234	$msg->("load extensions");
1235	cf::load_extensions;	2432	cf::load_extensions;
1236		2433
1237	# reattach attachments to objects	2434	warn "reattaching attachments to objects/players";
1238	$msg->("reattach");
1239	_global_reattach;	2435	_global_reattach;
		2436	warn "reattaching attachments to maps";
		2437	reattach $_ for values %MAP;
		2438
		2439	warn "restarting server ticker";
		2440
		2441	$TICK_WATCHER->start;
1240	};	2442	};
1241	$msg->($@) if $@;
1242		2443
1243	$msg->("reloaded");	2444	if ($@) {
		2445	warn $@;
		2446	warn "error while reloading, exiting.";
		2447	exit 1;
		2448	}
		2449
		2450	warn "reloaded";
1244	};	2451	};
1245		2452
1246	sub perl_reload() {	2453	our $RELOAD_WATCHER; # used only during reload
1247	_perl_reload {
1248	warn $_[0];
1249	print "$_[0]\n";
1250	};
1251	}
1252		2454
1253	register "<global>", __PACKAGE__;
1254
1255	register_command "perl-reload" => sub {	2455	register_command "reload" => sub {
1256	my ($who, $arg) = @_;	2456	my ($who, $arg) = @_;
1257		2457
1258	if ($who->flag (FLAG_WIZ)) {	2458	if ($who->flag (FLAG_WIZ)) {
1259	_perl_reload {	2459	$who->message ("reloading server.");
1260	warn $_[0];	2460
1261	$who->message ($_[0]);	2461	# doing reload synchronously and two reloads happen back-to-back,
		2462	# coro crashes during coro_state_free->destroy here.
		2463
		2464	$RELOAD_WATCHER ||= Event->timer (
		2465	reentrant => 0,
		2466	after => 0,
		2467	data => WF_AUTOCANCEL,
		2468	cb => sub {
		2469	reload;
		2470	undef $RELOAD_WATCHER;
		2471	},
1262	};	2472	);
1263	}	2473	}
1264	};	2474	};
1265		2475
1266	unshift @INC, $LIBDIR;	2476	unshift @INC, $LIBDIR;
1267		2477
		2478	my $bug_warning = 0;
		2479
1268	$TICK_WATCHER = Event->timer (	2480	$TICK_WATCHER = Event->timer (
		2481	reentrant => 0,
		2482	parked => 1,
1269	prio => 0,	2483	prio => 0,
1270	at => $NEXT_TICK || 1,	2484	at => $NEXT_TICK || $TICK,
1271	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
1272	cb => sub {	2486	cb => sub {
		2487	if ($Coro::current != $Coro::main) {
		2488	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2489	unless ++$bug_warning > 10;
		2490	return;
		2491	}
		2492
		2493	$NOW = Event::time;
		2494
1273	cf::server_tick; # one server iteration	2495	cf::server_tick; # one server iteration
1274		2496	$RUNTIME += $TICK;
1275	my $NOW = Event::time;
1276	$NEXT_TICK += $TICK;	2497	$NEXT_TICK += $TICK;
1277		2498
		2499	$WAIT_FOR_TICK->broadcast;
		2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2501
1278	# if we are delayed by four ticks or more, skip them all	2502	# if we are delayed by four ticks or more, skip them all
1279	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2503	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1280		2504
1281	$TICK_WATCHER->at ($NEXT_TICK);	2505	$TICK_WATCHER->at ($NEXT_TICK);
1282	$TICK_WATCHER->start;	2506	$TICK_WATCHER->start;
1283	},	2507	},
1284	);	2508	);
1285		2509
1286	IO::AIO::max_poll_time $TICK * 0.2;	2510	IO::AIO::max_poll_time $TICK * 0.2;
1287		2511
		2512	undef $Coro::AIO::WATCHER;
		2513	$AIO_POLL_WATCHER = Event->io (
		2514	reentrant => 0,
1288	Event->io (fd => IO::AIO::poll_fileno,	2515	fd => IO::AIO::poll_fileno,
1289	poll => 'r',	2516	poll => 'r',
1290	prio => 5,	2517	prio => 6,
1291	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
1292	cb => \&IO::AIO::poll_cb);	2519	cb => \&IO::AIO::poll_cb,
		2520	);
		2521
		2522	$WRITE_RUNTIME_WATCHER = Event->timer (
		2523	reentrant => 0,
		2524	data => WF_AUTOCANCEL,
		2525	after => 1,
		2526	interval => 10,
		2527	prio => 6, # keep it lowest so it acts like a watchdog
		2528	cb => Coro::unblock_sub {
		2529	write_runtime
		2530	or warn "ERROR: unable to write runtime file: $!";
		2531	},
		2532	);
		2533
		2534	END { cf::emergency_save }
1293		2535
1294	1	2536	1
1295		2537

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines