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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.100 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.131 by root, Thu Jan 4 00:53:54 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 3.3 ();
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 Digest::MD5;
		21	use Fcntl;
19	use IO::AIO 2.3;	22	use IO::AIO 2.31 ();
20	use YAML::Syck ();	23	use YAML::Syck ();
21	use Time::HiRes;	24	use Time::HiRes;
22		25
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
24		27
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
27		30
28	$Coro::main->prio (Coro::PRIO_MIN);	31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
29		32
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		34
32	our %COMMAND = ();	35	our %COMMAND = ();
33	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
…		…
37	our $LIBDIR = datadir . "/ext";	40	our $LIBDIR = datadir . "/ext";
38		41
39	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
40	our $TICK_WATCHER;	43	our $TICK_WATCHER;
41	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
42		46
43	our %CFG;	47	our %CFG;
44		48
45	our $UPTIME; $UPTIME ||= time;	49	our $UPTIME; $UPTIME ||= time;
		50	our $RUNTIME;
		51
		52	our %MAP; # all maps
		53	our $LINK_MAP; # the special {link} map
		54	our $FREEZE;
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO;
		57
		58	binmode STDOUT;
		59	binmode STDERR;
		60
		61	# read virtual server time, if available
		62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		63	open my $fh, "<", cf::localdir . "/runtime"
		64	or die "unable to read runtime file: $!";
		65	$RUNTIME = <$fh> + 0.;
		66	}
		67
		68	mkdir cf::localdir;
		69	mkdir cf::localdir . "/" . cf::playerdir;
		70	mkdir cf::localdir . "/" . cf::tmpdir;
		71	mkdir cf::localdir . "/" . cf::uniquedir;
		72	mkdir $RANDOM_MAPS;
		73
		74	# a special map that is always available
		75	our $LINK_MAP;
		76	our $EMERGENCY_POSITION;
46		77
47	#############################################################################	78	#############################################################################
48		79
49	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
50		81
51	=over 4	82	=over 4
52		83
53	=item $cf::UPTIME	84	=item $cf::UPTIME
54		85
55	The timestamp of the server start (so not actually an uptime).	86	The timestamp of the server start (so not actually an uptime).
		87
		88	=item $cf::RUNTIME
		89
		90	The time this server has run, starts at 0 and is increased by $cf::TICK on
		91	every server tick.
56		92
57	=item $cf::LIBDIR	93	=item $cf::LIBDIR
58		94
59	The perl library directory, where extensions and cf-specific modules can	95	The perl library directory, where extensions and cf-specific modules can
60	be found. It will be added to C<@INC> automatically.	96	be found. It will be added to C<@INC> automatically.
		97
		98	=item $cf::NOW
		99
		100	The time of the last (current) server tick.
61		101
62	=item $cf::TICK	102	=item $cf::TICK
63		103
64	The interval between server ticks, in seconds.	104	The interval between server ticks, in seconds.
65		105
…		…
73	=cut	113	=cut
74		114
75	BEGIN {	115	BEGIN {
76	*CORE::GLOBAL::warn = sub {	116	*CORE::GLOBAL::warn = sub {
77	my $msg = join "", @_;	117	my $msg = join "", @_;
		118	utf8::encode $msg;
		119
78	$msg .= "\n"	120	$msg .= "\n"
79	unless $msg =~ /\n$/;	121	unless $msg =~ /\n$/;
80		122
81	print STDERR "cfperl: $msg";
82	LOG llevError, "cfperl: $msg";	123	LOG llevError, "cfperl: $msg";
83	};	124	};
84	}	125	}
85		126
86	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
139	sub to_json($) {	180	sub to_json($) {
140	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
141	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
142	}	183	}
143		184
		185	=item my $guard = cf::guard { BLOCK }
		186
		187	Run the given callback when the guard object gets destroyed (useful for
		188	coroutine cancellations).
		189
		190	You can call C<< ->cancel >> on the guard object to stop the block from
		191	being executed.
		192
		193	=cut
		194
		195	sub guard(&) {
		196	bless \(my $cb = $_[0]), cf::guard::;
		197	}
		198
		199	sub cf::guard::cancel {
		200	${$_[0]} = sub { };
		201	}
		202
		203	sub cf::guard::DESTROY {
		204	${$_[0]}->();
		205	}
		206
		207	=item cf::lock_wait $string
		208
		209	Wait until the given lock is available. See cf::lock_acquire.
		210
		211	=item my $lock = cf::lock_acquire $string
		212
		213	Wait until the given lock is available and then acquires it and returns
		214	a guard object. If the guard object gets destroyed (goes out of scope,
		215	for example when the coroutine gets canceled), the lock is automatically
		216	returned.
		217
		218	Lock names should begin with a unique identifier (for example, find_map
		219	uses map_find and load_map uses map_load).
		220
		221	=cut
		222
		223	our %LOCK;
		224
		225	sub lock_wait($) {
		226	my ($key) = @_;
		227
		228	# wait for lock, if any
		229	while ($LOCK{$key}) {
		230	push @{ $LOCK{$key} }, $Coro::current;
		231	Coro::schedule;
		232	}
		233	}
		234
		235	sub lock_acquire($) {
		236	my ($key) = @_;
		237
		238	# wait, to be sure we are not locked
		239	lock_wait $key;
		240
		241	$LOCK{$key} = [];
		242
		243	cf::guard {
		244	# wake up all waiters, to be on the safe side
		245	$_->ready for @{ delete $LOCK{$key} };
		246	}
		247	}
		248
		249	=item cf::async { BLOCK }
		250
		251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
		252	error instead of exiting the server in case of a problem.
		253
		254	=cut
		255
		256	sub async(&) {
		257	my ($cb) = @_;
		258
		259	Coro::async {
		260	eval { $cb->() };
		261	warn $@ if $@;
		262	}
		263	}
		264
		265	=item cf::sync_job { BLOCK }
		266
		267	The design of crossfire+ requires that the main coro ($Coro::main) is
		268	always able to handle events or runnable, as crossfire+ is only partly
		269	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		270
		271	If it must be done, put the blocking parts into C<sync_job>. This will run
		272	the given BLOCK in another coroutine while waiting for the result. The
		273	server will be frozen during this time, so the block should either finish
		274	fast or be very important.
		275
		276	=cut
		277
		278	sub sync_job(&) {
		279	my ($job) = @_;
		280
		281	if ($Coro::current == $Coro::main) {
		282	# this is the main coro, too bad, we have to block
		283	# till the operation succeeds, freezing the server :/
		284
		285	# TODO: use suspend/resume instead
		286	# (but this is cancel-safe)
		287	local $FREEZE = 1;
		288
		289	my $busy = 1;
		290	my @res;
		291
		292	(Coro::async {
		293	@res = eval { $job->() };
		294	warn $@ if $@;
		295	undef $busy;
		296	})->prio (Coro::PRIO_MAX);
		297
		298	while ($busy) {
		299	Coro::cede_notself;
		300	Event::one_event unless Coro::nready;
		301	}
		302
		303	wantarray ? @res : $res[0]
		304	} else {
		305	# we are in another coroutine, how wonderful, everything just works
		306
		307	$job->()
		308	}
		309	}
		310
		311	=item $coro = cf::coro { BLOCK }
		312
		313	Creates and returns a new coro. This coro is automcatially being canceled
		314	when the extension calling this is being unloaded.
		315
		316	=cut
		317
		318	sub coro(&) {
		319	my $cb = shift;
		320
		321	my $coro = &cf::async ($cb);
		322
		323	$coro->on_destroy (sub {
		324	delete $EXT_CORO{$coro+0};
		325	});
		326	$EXT_CORO{$coro+0} = $coro;
		327
		328	$coro
		329	}
		330
		331	sub write_runtime {
		332	my $runtime = cf::localdir . "/runtime";
		333
		334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		335	or return;
		336
		337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		338	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		339	and return;
		340
		341	aio_fsync $fh
		342	and return;
		343
		344	close $fh
		345	or return;
		346
		347	aio_rename "$runtime~", $runtime
		348	and return;
		349
		350	1
		351	}
		352
144	=back	353	=back
145		354
146	=cut	355	=cut
		356
		357	#############################################################################
		358
		359	package cf::path;
		360
		361	sub new {
		362	my ($class, $path, $base) = @_;
		363
		364	$path = $path->as_string if ref $path;
		365
		366	my $self = bless { }, $class;
		367
		368	# {... are special paths that are not touched
		369	# ?xxx/... are special absolute paths
		370	# ?random/... random maps
		371	# /! non-realised random map exit
		372	# /... normal maps
		373	# ~/... per-player maps without a specific player (DO NOT USE)
		374	# ~user/... per-player map of a specific user
		375
		376	if ($path =~ /^{/) {
		377	# fine as it is
		378	} elsif ($path =~ s{^\?random/}{}) {
		379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		380	$self->{random} = cf::from_json $data;
		381	} else {
		382	if ($path =~ s{^~([^/]+)?}{}) {
		383	$self->{user_rel} = 1;
		384
		385	if (defined $1) {
		386	$self->{user} = $1;
		387	} elsif ($base =~ m{^~([^/]+)/}) {
		388	$self->{user} = $1;
		389	} else {
		390	warn "cannot resolve user-relative path without user <$path,$base>\n";
		391	}
		392	} elsif ($path =~ /^\//) {
		393	# already absolute
		394	} else {
		395	$base =~ s{[^/]+/?$}{};
		396	return $class->new ("$base/$path");
		397	}
		398
		399	for ($path) {
		400	redo if s{/\.?/}{/};
		401	redo if s{/[^/]+/\.\./}{/};
		402	}
		403	}
		404
		405	$self->{path} = $path;
		406
		407	$self
		408	}
		409
		410	# the name / primary key / in-game path
		411	sub as_string {
		412	my ($self) = @_;
		413
		414	$self->{user_rel} ? "~$self->{user}$self->{path}"
		415	: $self->{random} ? "?random/$self->{path}"
		416	: $self->{path}
		417	}
		418
		419	# the displayed name, this is a one way mapping
		420	sub visible_name {
		421	my ($self) = @_;
		422
		423	# if (my $rmp = $self->{random}) {
		424	# # todo: be more intelligent about this
		425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		426	# } else {
		427	$self->as_string
		428	# }
		429	}
		430
		431	# escape the /'s in the path
		432	sub _escaped_path {
		433	# ∕ is U+2215
		434	(my $path = $_[0]{path}) =~ s/\//∕/g;
		435	$path
		436	}
		437
		438	# the original (read-only) location
		439	sub load_path {
		440	my ($self) = @_;
		441
		442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		443	}
		444
		445	# the temporary/swap location
		446	sub save_path {
		447	my ($self) = @_;
		448
		449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		452	}
		453
		454	# the unique path, might be eq to save_path
		455	sub uniq_path {
		456	my ($self) = @_;
		457
		458	$self->{user_rel} || $self->{random}
		459	? undef
		460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		461	}
		462
		463	# return random map parameters, or undef
		464	sub random_map_params {
		465	my ($self) = @_;
		466
		467	$self->{random}
		468	}
		469
		470	# this is somewhat ugly, but style maps do need special treatment
		471	sub is_style_map {
		472	$_[0]{path} =~ m{^/styles/}
		473	}
		474
		475	package cf;
147		476
148	#############################################################################	477	#############################################################################
149		478
150	=head2 ATTACHABLE OBJECTS	479	=head2 ATTACHABLE OBJECTS
151		480
…		…
454	=cut	783	=cut
455		784
456	#############################################################################	785	#############################################################################
457	# object support	786	# object support
458		787
		788	sub reattach {
		789	# basically do the same as instantiate, without calling instantiate
		790	my ($obj) = @_;
		791
		792	my $registry = $obj->registry;
		793
		794	@$registry = ();
		795
		796	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
		797
		798	for my $name (keys %{ $obj->{_attachment} || {} }) {
		799	if (my $attach = $attachment{$name}) {
		800	for (@$attach) {
		801	my ($klass, @attach) = @$_;
		802	_attach $registry, $klass, @attach;
		803	}
		804	} else {
		805	warn "object uses attachment '$name' that is not available, postponing.\n";
		806	}
		807	}
		808	}
		809
459	cf::attachable->attach (	810	cf::attachable->attach (
460	prio => -1000000,	811	prio => -1000000,
461	on_instantiate => sub {	812	on_instantiate => sub {
462	my ($obj, $data) = @_;	813	my ($obj, $data) = @_;
463		814
…		…
467	my ($name, $args) = @$_;	818	my ($name, $args) = @$_;
468		819
469	$obj->attach ($name, %{$args || {} });	820	$obj->attach ($name, %{$args || {} });
470	}	821	}
471	},	822	},
472	on_reattach => sub {	823	on_reattach => \&reattach,
473	# basically do the same as instantiate, without calling instantiate
474	my ($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 {	824	on_clone => sub {
493	my ($src, $dst) = @_;	825	my ($src, $dst) = @_;
494		826
495	@{$dst->registry} = @{$src->registry};	827	@{$dst->registry} = @{$src->registry};
496		828
…		…
502	);	834	);
503		835
504	sub object_freezer_save {	836	sub object_freezer_save {
505	my ($filename, $rdata, $objs) = @_;	837	my ($filename, $rdata, $objs) = @_;
506		838
		839	sync_job {
507	if (length $$rdata) {	840	if (length $$rdata) {
508	warn sprintf "saving %s (%d,%d)\n",	841	warn sprintf "saving %s (%d,%d)\n",
509	$filename, length $$rdata, scalar @$objs;	842	$filename, length $$rdata, scalar @$objs;
510		843
511	if (open my $fh, ">:raw", "$filename~") {	844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
512	chmod SAVE_MODE, $fh;
513	syswrite $fh, $$rdata;
514	close $fh;
515
516	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
517	chmod SAVE_MODE, $fh;	845	chmod SAVE_MODE, $fh;
518	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		847	aio_fsync $fh;
519	close $fh;	848	close $fh;
		849
		850	if (@$objs) {
		851	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		852	chmod SAVE_MODE, $fh;
		853	my $data = Storable::nfreeze { version => 1, objs => $objs };
		854	aio_write $fh, 0, (length $data), $data, 0;
		855	aio_fsync $fh;
		856	close $fh;
520	rename "$filename.pst~", "$filename.pst";	857	aio_rename "$filename.pst~", "$filename.pst";
		858	}
		859	} else {
		860	aio_unlink "$filename.pst";
		861	}
		862
		863	aio_rename "$filename~", $filename;
521	} else {	864	} else {
522	unlink "$filename.pst";	865	warn "FATAL: $filename~: $!\n";
523	}	866	}
524
525	rename "$filename~", $filename;
526	} else {	867	} else {
527	warn "FATAL: $filename~: $!\n";
528	}
529	} else {
530	unlink $filename;	868	aio_unlink $filename;
531	unlink "$filename.pst";	869	aio_unlink "$filename.pst";
		870	}
532	}	871	}
533	}	872	}
534		873
535	sub object_freezer_as_string {	874	sub object_freezer_as_string {
536	my ($rdata, $objs) = @_;	875	my ($rdata, $objs) = @_;
…		…
541	}	880	}
542		881
543	sub object_thawer_load {	882	sub object_thawer_load {
544	my ($filename) = @_;	883	my ($filename) = @_;
545		884
546	local $/;	885	my ($data, $av);
547		886
548	my $av;	887	(aio_load $filename, $data) >= 0
		888	or return;
549		889
550	#TODO: use sysread etc.	890	unless (aio_stat "$filename.pst") {
551	if (open my $data, "<:raw:perlio", $filename) {	891	(aio_load "$filename.pst", $av) >= 0
552	$data = <$data>;	892	or return;
553	if (open my $pst, "<:raw:perlio", "$filename.pst") {
554	$av = eval { (Storable::thaw <$pst>)->{objs} };	893	$av = eval { (Storable::thaw $av)->{objs} };
555	}	894	}
		895
		896	warn sprintf "loading %s (%d)\n",
		897	$filename, length $data, scalar @{$av || []};#d#
556	return ($data, $av);	898	return ($data, $av);
557	}
558
559	()
560	}	899	}
561		900
562	#############################################################################	901	#############################################################################
563	# command handling &c	902	# command handling &c
564		903
…		…
785	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . to_json \%msg);
786	}	1125	}
787		1126
788	=back	1127	=back
789		1128
		1129
		1130	=head3 cf::map
		1131
		1132	=over 4
		1133
		1134	=cut
		1135
		1136	package cf::map;
		1137
		1138	use Fcntl;
		1139	use Coro::AIO;
		1140
		1141	our $MAX_RESET = 7200;
		1142	our $DEFAULT_RESET = 3600;
		1143
		1144	sub generate_random_map {
		1145	my ($path, $rmp) = @_;
		1146
		1147	# mit "rum" bekleckern, nicht
		1148	cf::map::_create_random_map
		1149	$path,
		1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1153	$rmp->{exit_on_final_map},
		1154	$rmp->{xsize}, $rmp->{ysize},
		1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1160	(cf::region::find $rmp->{region})
		1161	}
		1162
		1163	# and all this just because we cannot iterate over
		1164	# all maps in C++...
		1165	sub change_all_map_light {
		1166	my ($change) = @_;
		1167
		1168	$_->change_map_light ($change)
		1169	for grep $_->outdoor, values %cf::MAP;
		1170	}
		1171
		1172	sub try_load_header($) {
		1173	my ($path) = @_;
		1174
		1175	utf8::encode $path;
		1176	aio_open $path, O_RDONLY, 0
		1177	or return;
		1178
		1179	my $map = cf::map::new
		1180	or return;
		1181
		1182	$map->load_header ($path)
		1183	or return;
		1184
		1185	$map->{load_path} = $path;
		1186
		1187	$map
		1188	}
		1189
		1190	sub find_map;
		1191	sub find_map {
		1192	my ($path, $origin) = @_;
		1193
		1194	#warn "find_map<$path,$origin>\n";#d#
		1195
		1196	$path = new cf::path $path, $origin && $origin->path;
		1197	my $key = $path->as_string;
		1198
		1199	cf::lock_wait "map_find:$key";
		1200
		1201	$cf::MAP{$key} || do {
		1202	my $guard = cf::lock_acquire "map_find:$key";
		1203
		1204	# do it the slow way
		1205	my $map = try_load_header $path->save_path;
		1206
		1207	if ($map) {
		1208	# safety
		1209	$map->{instantiate_time} = $cf::RUNTIME
		1210	if $map->{instantiate_time} > $cf::RUNTIME;
		1211	} else {
		1212	if (my $rmp = $path->random_map_params) {
		1213	$map = generate_random_map $key, $rmp;
		1214	} else {
		1215	$map = try_load_header $path->load_path;
		1216	}
		1217
		1218	$map or return;
		1219
		1220	$map->{load_original} = 1;
		1221	$map->{instantiate_time} = $cf::RUNTIME;
		1222	$map->instantiate;
		1223
		1224	# per-player maps become, after loading, normal maps
		1225	$map->per_player (0) if $path->{user_rel};
		1226	}
		1227
		1228	$map->path ($key);
		1229	$map->{path} = $path;
		1230	$map->{last_save} = $cf::RUNTIME;
		1231	$map->last_access ($cf::RUNTIME);
		1232
		1233	if ($map->should_reset) {
		1234	$map->reset;
		1235	undef $guard;
		1236	$map = find_map $path
		1237	or return;
		1238	}
		1239
		1240	$cf::MAP{$key} = $map
		1241	}
		1242	}
		1243
		1244	sub load {
		1245	my ($self) = @_;
		1246
		1247	my $path = $self->{path};
		1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1249
		1250	return if $self->in_memory != cf::MAP_SWAPPED;
		1251
		1252	$self->in_memory (cf::MAP_LOADING);
		1253
		1254	$self->alloc;
		1255	$self->load_objects ($self->{load_path}, 1)
		1256	or return;
		1257
		1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1259	if delete $self->{load_original};
		1260
		1261	if (my $uniq = $path->uniq_path) {
		1262	utf8::encode $uniq;
		1263	if (aio_open $uniq, O_RDONLY, 0) {
		1264	$self->clear_unique_items;
		1265	$self->load_objects ($uniq, 0);
		1266	}
		1267	}
		1268
		1269	# now do the right thing for maps
		1270	$self->link_multipart_objects;
		1271
		1272	if ($self->{path}->is_style_map) {
		1273	$self->{deny_save} = 1;
		1274	$self->{deny_reset} = 1;
		1275	} else {
		1276	$self->fix_auto_apply;
		1277	$self->decay_objects;
		1278	$self->update_buttons;
		1279	$self->set_darkness_map;
		1280	$self->difficulty ($self->estimate_difficulty)
		1281	unless $self->difficulty;
		1282	$self->activate;
		1283	}
		1284
		1285	$self->in_memory (cf::MAP_IN_MEMORY);
		1286	}
		1287
		1288	sub load_map_sync {
		1289	my ($path, $origin) = @_;
		1290
		1291	#warn "load_map_sync<$path, $origin>\n";#d#
		1292
		1293	cf::sync_job {
		1294	my $map = cf::map::find_map $path, $origin
		1295	or return;
		1296	$map->load;
		1297	$map
		1298	}
		1299	}
		1300
		1301	sub save {
		1302	my ($self) = @_;
		1303
		1304	$self->{last_save} = $cf::RUNTIME;
		1305
		1306	return unless $self->dirty;
		1307
		1308	my $save = $self->{path}->save_path; utf8::encode $save;
		1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1310
		1311	$self->{load_path} = $save;
		1312
		1313	return if $self->{deny_save};
		1314
		1315	if ($uniq) {
		1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1317	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1318	} else {
		1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1320	}
		1321	}
		1322
		1323	sub swap_out {
		1324	my ($self) = @_;
		1325
		1326	# save first because save cedes
		1327	$self->save;
		1328
		1329	return if $self->players;
		1330	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1331	return if $self->{deny_save};
		1332
		1333	$self->clear;
		1334	$self->in_memory (cf::MAP_SWAPPED);
		1335	}
		1336
		1337	sub reset_at {
		1338	my ($self) = @_;
		1339
		1340	# TODO: safety, remove and allow resettable per-player maps
		1341	return 1e99 if $self->{path}{user_rel};
		1342	return 1e99 if $self->{deny_reset};
		1343
		1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1346
		1347	$time + $to
		1348	}
		1349
		1350	sub should_reset {
		1351	my ($self) = @_;
		1352
		1353	$self->reset_at <= $cf::RUNTIME
		1354	}
		1355
		1356	sub unlink_save {
		1357	my ($self) = @_;
		1358
		1359	utf8::encode (my $save = $self->{path}->save_path);
		1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1362	}
		1363
		1364	sub rename {
		1365	my ($self, $new_path) = @_;
		1366
		1367	$self->unlink_save;
		1368
		1369	delete $cf::MAP{$self->path};
		1370	$self->{path} = new cf::path $new_path;
		1371	$self->path ($self->{path}->as_string);
		1372	$cf::MAP{$self->path} = $self;
		1373
		1374	$self->save;
		1375	}
		1376
		1377	sub reset {
		1378	my ($self) = @_;
		1379
		1380	return if $self->players;
		1381	return if $self->{path}{user_rel};#d#
		1382
		1383	warn "resetting map ", $self->path;#d#
		1384
		1385	delete $cf::MAP{$self->path};
		1386
		1387	$_->clear_links_to ($self) for values %cf::MAP;
		1388
		1389	$self->unlink_save;
		1390	$self->destroy;
		1391	}
		1392
		1393	my $nuke_counter = "aaaa";
		1394
		1395	sub nuke {
		1396	my ($self) = @_;
		1397
		1398	$self->{deny_save} = 1;
		1399	$self->reset_timeout (1);
		1400	$self->rename ("{nuke}/" . ($nuke_counter++));
		1401	$self->reset; # polite request, might not happen
		1402	}
		1403
		1404	sub customise_for {
		1405	my ($map, $ob) = @_;
		1406
		1407	if ($map->per_player) {
		1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1409	}
		1410
		1411	$map
		1412	}
		1413
		1414	sub emergency_save {
		1415	local $cf::FREEZE = 1;
		1416
		1417	warn "enter emergency map save\n";
		1418
		1419	cf::sync_job {
		1420	warn "begin emergency map save\n";
		1421	$_->save for values %cf::MAP;
		1422	};
		1423
		1424	warn "end emergency map save\n";
		1425	}
		1426
		1427	package cf;
		1428
		1429	=back
		1430
		1431
790	=head3 cf::object::player	1432	=head3 cf::object::player
791		1433
792	=over 4	1434	=over 4
793		1435
794	=item $player_object->reply ($npc, $msg[, $flags])	1436	=item $player_object->reply ($npc, $msg[, $flags])
…		…
829	(ref $cf::CFG{"may_$access"}	1471	(ref $cf::CFG{"may_$access"}
830	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1472	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
831	: $cf::CFG{"may_$access"})	1473	: $cf::CFG{"may_$access"})
832	}	1474	}
833		1475
		1476	=item $player_object->enter_link
		1477
		1478	Freezes the player and moves him/her to a special map (C<{link}>).
		1479
		1480	The player should be reaosnably safe there for short amounts of time. You
		1481	I<MUST> call C<leave_link> as soon as possible, though.
		1482
		1483	=item $player_object->leave_link ($map, $x, $y)
		1484
		1485	Moves the player out of the specila link map onto the given map. If the
		1486	map is not valid (or omitted), the player will be moved back to the
		1487	location he/she was before the call to C<enter_link>, or, if that fails,
		1488	to the emergency map position.
		1489
		1490	Might block.
		1491
		1492	=cut
		1493
		1494	sub cf::object::player::enter_link {
		1495	my ($self) = @_;
		1496
		1497	$self->deactivate_recursive;
		1498
		1499	return if $self->map == $LINK_MAP;
		1500
		1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1502	if $self->map;
		1503
		1504	$self->enter_map ($LINK_MAP, 20, 20);
		1505	}
		1506
		1507	sub cf::object::player::leave_link {
		1508	my ($self, $map, $x, $y) = @_;
		1509
		1510	my $link_pos = delete $self->{_link_pos};
		1511
		1512	unless ($map) {
		1513	# restore original map position
		1514	($map, $x, $y) = @{ $link_pos || [] };
		1515	$map = cf::map::find_map $map;
		1516
		1517	unless ($map) {
		1518	($map, $x, $y) = @$EMERGENCY_POSITION;
		1519	$map = cf::map::find_map $map
		1520	or die "FATAL: cannot load emergency map\n";
		1521	}
		1522	}
		1523
		1524	($x, $y) = (-1, -1)
		1525	unless (defined $x) && (defined $y);
		1526
		1527	# use -1 or undef as default coordinates, not 0, 0
		1528	($x, $y) = ($map->enter_x, $map->enter_y)
		1529	if $x <=0 && $y <= 0;
		1530
		1531	$map->load;
		1532
		1533	$self->activate_recursive;
		1534	$self->enter_map ($map, $x, $y);
		1535	}
		1536
		1537	cf::player->attach (
		1538	on_logout => sub {
		1539	my ($pl) = @_;
		1540
		1541	# abort map switching before logout
		1542	if ($pl->ob->{_link_pos}) {
		1543	cf::sync_job {
		1544	$pl->ob->leave_link
		1545	};
		1546	}
		1547	},
		1548	on_login => sub {
		1549	my ($pl) = @_;
		1550
		1551	# try to abort aborted map switching on player login :)
		1552	# should happen only on crashes
		1553	if ($pl->ob->{_link_pos}) {
		1554	$pl->ob->enter_link;
		1555	cf::async {
		1556	# we need this sleep as the login has a concurrent enter_exit running
		1557	# and this sleep increases chances of the player not ending up in scorn
		1558	Coro::Timer::sleep 1;
		1559	$pl->ob->leave_link;
		1560	};
		1561	}
		1562	},
		1563	);
		1564
		1565	=item $player_object->goto_map ($path, $x, $y)
		1566
		1567	=cut
		1568
		1569	sub cf::object::player::goto_map {
		1570	my ($self, $path, $x, $y) = @_;
		1571
		1572	$self->enter_link;
		1573
		1574	(cf::async {
		1575	$path = new cf::path $path;
		1576
		1577	my $map = cf::map::find_map $path->as_string;
		1578	$map = $map->customise_for ($self) if $map;
		1579
		1580	# warn "entering ", $map->path, " at ($x, $y)\n"
		1581	# if $map;
		1582
		1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1584
		1585	$self->leave_link ($map, $x, $y);
		1586	})->prio (1);
		1587	}
		1588
		1589	=item $player_object->enter_exit ($exit_object)
		1590
		1591	=cut
		1592
		1593	sub parse_random_map_params {
		1594	my ($spec) = @_;
		1595
		1596	my $rmp = { # defaults
		1597	xsize => 10,
		1598	ysize => 10,
		1599	};
		1600
		1601	for (split /\n/, $spec) {
		1602	my ($k, $v) = split /\s+/, $_, 2;
		1603
		1604	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1605	}
		1606
		1607	$rmp
		1608	}
		1609
		1610	sub prepare_random_map {
		1611	my ($exit) = @_;
		1612
		1613	# all this does is basically replace the /! path by
		1614	# a new random map path (?random/...) with a seed
		1615	# that depends on the exit object
		1616
		1617	my $rmp = parse_random_map_params $exit->msg;
		1618
		1619	if ($exit->map) {
		1620	$rmp->{region} = $exit->map->region_name;
		1621	$rmp->{origin_map} = $exit->map->path;
		1622	$rmp->{origin_x} = $exit->x;
		1623	$rmp->{origin_y} = $exit->y;
		1624	}
		1625
		1626	$rmp->{random_seed} ||= $exit->random_seed;
		1627
		1628	my $data = cf::to_json $rmp;
		1629	my $md5 = Digest::MD5::md5_hex $data;
		1630
		1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1632	aio_write $fh, 0, (length $data), $data, 0;
		1633
		1634	$exit->slaying ("?random/$md5");
		1635	$exit->msg (undef);
		1636	}
		1637	}
		1638
		1639	sub cf::object::player::enter_exit {
		1640	my ($self, $exit) = @_;
		1641
		1642	return unless $self->type == cf::PLAYER;
		1643
		1644	$self->enter_link;
		1645
		1646	(cf::async {
		1647	unless (eval {
		1648	prepare_random_map $exit
		1649	if $exit->slaying eq "/!";
		1650
		1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1653
		1654	1;
		1655	}) {
		1656	$self->message ("Something went wrong deep within the crossfire server. "
		1657	. "I'll try to bring you back to the map you were before. "
		1658	. "Please report this to the dungeon master",
		1659	cf::NDI_UNIQUE | cf::NDI_RED);
		1660
		1661	warn "ERROR in enter_exit: $@";
		1662	$self->leave_link;
		1663	}
		1664	})->prio (1);
		1665	}
		1666
834	=head3 cf::client	1667	=head3 cf::client
835		1668
836	=over 4	1669	=over 4
837		1670
838	=item $client->send_drawinfo ($text, $flags)	1671	=item $client->send_drawinfo ($text, $flags)
…		…
881	on_reply => sub {	1714	on_reply => sub {
882	my ($ns, $msg) = @_;	1715	my ($ns, $msg) = @_;
883		1716
884	# this weird shuffling is so that direct followup queries	1717	# this weird shuffling is so that direct followup queries
885	# get handled first	1718	# get handled first
886	my $queue = delete $ns->{query_queue};	1719	my $queue = delete $ns->{query_queue}
		1720	or return; # be conservative, not sure how that can happen, but we saw a crash here
887		1721
888	(shift @$queue)->[1]->($msg);	1722	(shift @$queue)->[1]->($msg);
889		1723
890	push @{ $ns->{query_queue} }, @$queue;	1724	push @{ $ns->{query_queue} }, @$queue;
891		1725
…		…
908	=cut	1742	=cut
909		1743
910	sub cf::client::coro {	1744	sub cf::client::coro {
911	my ($self, $cb) = @_;	1745	my ($self, $cb) = @_;
912		1746
913	my $coro; $coro = async {	1747	my $coro = &cf::async ($cb);
914	eval {	1748
915	$cb->();	1749	$coro->on_destroy (sub {
916	};
917	warn $@ if $@;
918	delete $self->{_coro}{$coro+0};	1750	delete $self->{_coro}{$coro+0};
919	};	1751	});
920		1752
921	$self->{_coro}{$coro+0} = $coro;	1753	$self->{_coro}{$coro+0} = $coro;
		1754
		1755	$coro
922	}	1756	}
923		1757
924	cf::client->attach (	1758	cf::client->attach (
925	on_destroy => sub {	1759	on_destroy => sub {
926	my ($ns) = @_;	1760	my ($ns) = @_;
…		…
1090		1924
1091	{	1925	{
1092	my $path = cf::localdir . "/database.pst";	1926	my $path = cf::localdir . "/database.pst";
1093		1927
1094	sub db_load() {	1928	sub db_load() {
1095	warn "loading database $path\n";#d# remove later
1096	$DB = stat $path ? Storable::retrieve $path : { };	1929	$DB = stat $path ? Storable::retrieve $path : { };
1097	}	1930	}
1098		1931
1099	my $pid;	1932	my $pid;
1100		1933
1101	sub db_save() {	1934	sub db_save() {
1102	warn "saving database $path\n";#d# remove later
1103	waitpid $pid, 0 if $pid;	1935	waitpid $pid, 0 if $pid;
1104	if (0 == ($pid = fork)) {	1936	if (0 == ($pid = fork)) {
1105	$DB->{_meta}{version} = 1;	1937	$DB->{_meta}{version} = 1;
1106	Storable::nstore $DB, "$path~";	1938	Storable::nstore $DB, "$path~";
1107	rename "$path~", $path;	1939	rename "$path~", $path;
…		…
1155	open my $fh, "<:utf8", cf::confdir . "/config"	1987	open my $fh, "<:utf8", cf::confdir . "/config"
1156	or return;	1988	or return;
1157		1989
1158	local $/;	1990	local $/;
1159	*CFG = YAML::Syck::Load <$fh>;	1991	*CFG = YAML::Syck::Load <$fh>;
		1992
		1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		1994
		1995	if (exists $CFG{mlockall}) {
		1996	eval {
		1997	$CFG{mlockall} ? &mlockall : &munlockall
		1998	and die "WARNING: m(un)lockall failed: $!\n";
		1999	};
		2000	warn $@ if $@;
		2001	}
1160	}	2002	}
1161		2003
1162	sub main {	2004	sub main {
		2005	# we must not ever block the main coroutine
		2006	local $Coro::idle = sub {
		2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2008	(Coro::unblock_sub {
		2009	Event::one_event;
		2010	})->();
		2011	};
		2012
1163	cfg_load;	2013	cfg_load;
1164	db_load;	2014	db_load;
1165	load_extensions;	2015	load_extensions;
1166	Event::loop;	2016	Event::loop;
1167	}	2017	}
1168		2018
1169	#############################################################################	2019	#############################################################################
1170	# initialisation	2020	# initialisation
1171		2021
1172	sub _perl_reload(&) {	2022	sub reload() {
1173	my ($msg) = @_;	2023	# can/must only be called in main
		2024	if ($Coro::current != $Coro::main) {
		2025	warn "can only reload from main coroutine\n";
		2026	return;
		2027	}
1174		2028
1175	$msg->("reloading...");	2029	warn "reloading...";
		2030
		2031	local $FREEZE = 1;
		2032	cf::emergency_save;
1176		2033
1177	eval {	2034	eval {
		2035	# if anything goes wrong in here, we should simply crash as we already saved
		2036
1178	# cancel all watchers	2037	# cancel all watchers
1179	for (Event::all_watchers) {	2038	for (Event::all_watchers) {
1180	$_->cancel if $_->data & WF_AUTOCANCEL;	2039	$_->cancel if $_->data & WF_AUTOCANCEL;
1181	}	2040	}
1182		2041
		2042	# cancel all extension coros
		2043	$_->cancel for values %EXT_CORO;
		2044	%EXT_CORO = ();
		2045
1183	# unload all extensions	2046	# unload all extensions
1184	for (@exts) {	2047	for (@exts) {
1185	$msg->("unloading <$_>");	2048	warn "unloading <$_>";
1186	unload_extension $_;	2049	unload_extension $_;
1187	}	2050	}
1188		2051
1189	# unload all modules loaded from $LIBDIR	2052	# unload all modules loaded from $LIBDIR
1190	while (my ($k, $v) = each %INC) {	2053	while (my ($k, $v) = each %INC) {
1191	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1192		2055
1193	$msg->("removing <$k>");	2056	warn "removing <$k>";
1194	delete $INC{$k};	2057	delete $INC{$k};
1195		2058
1196	$k =~ s/\.pm$//;	2059	$k =~ s/\.pm$//;
1197	$k =~ s/\//::/g;	2060	$k =~ s/\//::/g;
1198		2061
…		…
1203	Symbol::delete_package $k;	2066	Symbol::delete_package $k;
1204	}	2067	}
1205		2068
1206	# sync database to disk	2069	# sync database to disk
1207	cf::db_sync;	2070	cf::db_sync;
		2071	IO::AIO::flush;
1208		2072
1209	# get rid of safe::, as good as possible	2073	# get rid of safe::, as good as possible
1210	Symbol::delete_package "safe::$_"	2074	Symbol::delete_package "safe::$_"
1211	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1212		2076
1213	# remove register_script_function callbacks	2077	# remove register_script_function callbacks
1214	# TODO	2078	# TODO
1215		2079
1216	# unload cf.pm "a bit"	2080	# unload cf.pm "a bit"
…		…
1219	# don't, removes xs symbols, too,	2083	# don't, removes xs symbols, too,
1220	# and global variables created in xs	2084	# and global variables created in xs
1221	#Symbol::delete_package __PACKAGE__;	2085	#Symbol::delete_package __PACKAGE__;
1222		2086
1223	# reload cf.pm	2087	# reload cf.pm
1224	$msg->("reloading cf.pm");	2088	warn "reloading cf.pm";
1225	require cf;	2089	require cf;
1226	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1227
1228		2091
1229	# load config and database again	2092	# load config and database again
1230	cf::cfg_load;	2093	cf::cfg_load;
1231	cf::db_load;	2094	cf::db_load;
1232		2095
1233	# load extensions	2096	# load extensions
1234	$msg->("load extensions");	2097	warn "load extensions";
1235	cf::load_extensions;	2098	cf::load_extensions;
1236		2099
1237	# reattach attachments to objects	2100	# reattach attachments to objects
1238	$msg->("reattach");	2101	warn "reattach";
1239	_global_reattach;	2102	_global_reattach;
1240	};	2103	};
1241	$msg->($@) if $@;
1242		2104
1243	$msg->("reloaded");	2105	if ($@) {
		2106	warn $@;
		2107	warn "error while reloading, exiting.";
		2108	exit 1;
		2109	}
		2110
		2111	warn "reloaded successfully";
1244	};	2112	};
1245		2113
1246	sub perl_reload() {	2114	#############################################################################
1247	_perl_reload {	2115
1248	warn $_[0];	2116	unless ($LINK_MAP) {
1249	print "$_[0]\n";	2117	$LINK_MAP = cf::map::new;
1250	};	2118
		2119	$LINK_MAP->width (41);
		2120	$LINK_MAP->height (41);
		2121	$LINK_MAP->alloc;
		2122	$LINK_MAP->path ("{link}");
		2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2125
		2126	# dirty hack because... archetypes are not yet loaded
		2127	Event->timer (
		2128	after => 2,
		2129	cb => sub {
		2130	$_[0]->w->cancel;
		2131
		2132	# provide some exits "home"
		2133	my $exit = cf::object::new "exit";
		2134
		2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2138
		2139	$LINK_MAP->insert ($exit->clone, 19, 19);
		2140	$LINK_MAP->insert ($exit->clone, 19, 20);
		2141	$LINK_MAP->insert ($exit->clone, 19, 21);
		2142	$LINK_MAP->insert ($exit->clone, 20, 19);
		2143	$LINK_MAP->insert ($exit->clone, 20, 21);
		2144	$LINK_MAP->insert ($exit->clone, 21, 19);
		2145	$LINK_MAP->insert ($exit->clone, 21, 20);
		2146	$LINK_MAP->insert ($exit->clone, 21, 21);
		2147
		2148	$exit->destroy;
		2149	});
		2150
		2151	$LINK_MAP->{deny_save} = 1;
		2152	$LINK_MAP->{deny_reset} = 1;
		2153
		2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1251	}	2155	}
1252		2156
1253	register "<global>", __PACKAGE__;	2157	register "<global>", __PACKAGE__;
1254		2158
1255	register_command "perl-reload" => sub {	2159	register_command "reload" => sub {
1256	my ($who, $arg) = @_;	2160	my ($who, $arg) = @_;
1257		2161
1258	if ($who->flag (FLAG_WIZ)) {	2162	if ($who->flag (FLAG_WIZ)) {
1259	_perl_reload {	2163	$who->message ("start of reload.");
1260	warn $_[0];	2164	reload;
1261	$who->message ($_[0]);	2165	$who->message ("end of reload.");
1262	};
1263	}	2166	}
1264	};	2167	};
1265		2168
1266	unshift @INC, $LIBDIR;	2169	unshift @INC, $LIBDIR;
1267		2170
1268	$TICK_WATCHER = Event->timer (	2171	$TICK_WATCHER = Event->timer (
		2172	reentrant => 0,
1269	prio => 0,	2173	prio => 0,
1270	at => $NEXT_TICK || 1,	2174	at => $NEXT_TICK || $TICK,
1271	data => WF_AUTOCANCEL,	2175	data => WF_AUTOCANCEL,
1272	cb => sub {	2176	cb => sub {
		2177	unless ($FREEZE) {
1273	cf::server_tick; # one server iteration	2178	cf::server_tick; # one server iteration
		2179	$RUNTIME += $TICK;
		2180	}
1274		2181
1275	my $NOW = Event::time;
1276	$NEXT_TICK += $TICK;	2182	$NEXT_TICK += $TICK;
1277		2183
1278	# if we are delayed by four ticks or more, skip them all	2184	# if we are delayed by four ticks or more, skip them all
1279	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1280		2186
1281	$TICK_WATCHER->at ($NEXT_TICK);	2187	$TICK_WATCHER->at ($NEXT_TICK);
1282	$TICK_WATCHER->start;	2188	$TICK_WATCHER->start;
1283	},	2189	},
1284	);	2190	);
1285		2191
1286	IO::AIO::max_poll_time $TICK * 0.2;	2192	IO::AIO::max_poll_time $TICK * 0.2;
1287		2193
		2194	Event->io (
1288	Event->io (fd => IO::AIO::poll_fileno,	2195	fd => IO::AIO::poll_fileno,
1289	poll => 'r',	2196	poll => 'r',
1290	prio => 5,	2197	prio => 5,
1291	data => WF_AUTOCANCEL,	2198	data => WF_AUTOCANCEL,
1292	cb => \&IO::AIO::poll_cb);	2199	cb => \&IO::AIO::poll_cb,
		2200	);
		2201
		2202	Event->timer (
		2203	data => WF_AUTOCANCEL,
		2204	after => 0,
		2205	interval => 10,
		2206	cb => sub {
		2207	(Coro::unblock_sub {
		2208	write_runtime
		2209	or warn "ERROR: unable to write runtime file: $!";
		2210	})->();
		2211	},
		2212	);
		2213
		2214	END { cf::emergency_save }
1293		2215
1294	1	2216	1
1295		2217

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