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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.101 by root, Mon Dec 25 14:43:23 2006 UTC vs.
Revision 1.133 by root, Thu Jan 4 16:19:32 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 $RANDOM_MAPS = cf::localdir . "/random";
		55	our %EXT_CORO;
		56
		57	binmode STDOUT;
		58	binmode STDERR;
		59
		60	# read virtual server time, if available
		61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		62	open my $fh, "<", cf::localdir . "/runtime"
		63	or die "unable to read runtime file: $!";
		64	$RUNTIME = <$fh> + 0.;
		65	}
		66
		67	mkdir cf::localdir;
		68	mkdir cf::localdir . "/" . cf::playerdir;
		69	mkdir cf::localdir . "/" . cf::tmpdir;
		70	mkdir cf::localdir . "/" . cf::uniquedir;
		71	mkdir $RANDOM_MAPS;
		72
		73	# a special map that is always available
		74	our $LINK_MAP;
		75	our $EMERGENCY_POSITION;
46		76
47	#############################################################################	77	#############################################################################
48		78
49	=head2 GLOBAL VARIABLES	79	=head2 GLOBAL VARIABLES
50		80
51	=over 4	81	=over 4
52		82
53	=item $cf::UPTIME	83	=item $cf::UPTIME
54		84
55	The timestamp of the server start (so not actually an uptime).	85	The timestamp of the server start (so not actually an uptime).
		86
		87	=item $cf::RUNTIME
		88
		89	The time this server has run, starts at 0 and is increased by $cf::TICK on
		90	every server tick.
56		91
57	=item $cf::LIBDIR	92	=item $cf::LIBDIR
58		93
59	The perl library directory, where extensions and cf-specific modules can	94	The perl library directory, where extensions and cf-specific modules can
60	be found. It will be added to C<@INC> automatically.	95	be found. It will be added to C<@INC> automatically.
		96
		97	=item $cf::NOW
		98
		99	The time of the last (current) server tick.
61		100
62	=item $cf::TICK	101	=item $cf::TICK
63		102
64	The interval between server ticks, in seconds.	103	The interval between server ticks, in seconds.
65		104
…		…
73	=cut	112	=cut
74		113
75	BEGIN {	114	BEGIN {
76	*CORE::GLOBAL::warn = sub {	115	*CORE::GLOBAL::warn = sub {
77	my $msg = join "", @_;	116	my $msg = join "", @_;
		117	utf8::encode $msg;
		118
78	$msg .= "\n"	119	$msg .= "\n"
79	unless $msg =~ /\n$/;	120	unless $msg =~ /\n$/;
80		121
81	print STDERR "cfperl: $msg";
82	LOG llevError, "cfperl: $msg";	122	LOG llevError, "cfperl: $msg";
83	};	123	};
84	}	124	}
85		125
86	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
139	sub to_json($) {	179	sub to_json($) {
140	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
141	JSON::Syck::Dump $_[0]	181	JSON::Syck::Dump $_[0]
142	}	182	}
143		183
		184	=item my $guard = cf::guard { BLOCK }
		185
		186	Run the given callback when the guard object gets destroyed (useful for
		187	coroutine cancellations).
		188
		189	You can call C<< ->cancel >> on the guard object to stop the block from
		190	being executed.
		191
		192	=cut
		193
		194	sub guard(&) {
		195	bless \(my $cb = $_[0]), cf::guard::;
		196	}
		197
		198	sub cf::guard::cancel {
		199	${$_[0]} = sub { };
		200	}
		201
		202	sub cf::guard::DESTROY {
		203	${$_[0]}->();
		204	}
		205
		206	=item cf::lock_wait $string
		207
		208	Wait until the given lock is available. See cf::lock_acquire.
		209
		210	=item my $lock = cf::lock_acquire $string
		211
		212	Wait until the given lock is available and then acquires it and returns
		213	a guard object. If the guard object gets destroyed (goes out of scope,
		214	for example when the coroutine gets canceled), the lock is automatically
		215	returned.
		216
		217	Lock names should begin with a unique identifier (for example, cf::map::find
		218	uses map_find and cf::map::load uses map_load).
		219
		220	=cut
		221
		222	our %LOCK;
		223
		224	sub lock_wait($) {
		225	my ($key) = @_;
		226
		227	# wait for lock, if any
		228	while ($LOCK{$key}) {
		229	push @{ $LOCK{$key} }, $Coro::current;
		230	Coro::schedule;
		231	}
		232	}
		233
		234	sub lock_acquire($) {
		235	my ($key) = @_;
		236
		237	# wait, to be sure we are not locked
		238	lock_wait $key;
		239
		240	$LOCK{$key} = [];
		241
		242	cf::guard {
		243	# wake up all waiters, to be on the safe side
		244	$_->ready for @{ delete $LOCK{$key} };
		245	}
		246	}
		247
		248	=item cf::async { BLOCK }
		249
		250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
		251	error instead of exiting the server in case of a problem.
		252
		253	=cut
		254
		255	sub async(&) {
		256	my ($cb) = @_;
		257
		258	Coro::async {
		259	eval { $cb->() };
		260	warn $@ if $@;
		261	}
		262	}
		263
		264	sub freeze_mainloop {
		265	return unless $TICK_WATCHER->is_active;
		266
		267	my $guard = guard { $TICK_WATCHER->start };
		268	$TICK_WATCHER->stop;
		269	$guard
		270	}
		271
		272	=item cf::sync_job { BLOCK }
		273
		274	The design of crossfire+ requires that the main coro ($Coro::main) is
		275	always able to handle events or runnable, as crossfire+ is only partly
		276	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		277
		278	If it must be done, put the blocking parts into C<sync_job>. This will run
		279	the given BLOCK in another coroutine while waiting for the result. The
		280	server will be frozen during this time, so the block should either finish
		281	fast or be very important.
		282
		283	=cut
		284
		285	sub sync_job(&) {
		286	my ($job) = @_;
		287
		288	if ($Coro::current == $Coro::main) {
		289	# this is the main coro, too bad, we have to block
		290	# till the operation succeeds, freezing the server :/
		291
		292	# TODO: use suspend/resume instead
		293	# (but this is cancel-safe)
		294	my $freeze_guard = freeze_mainloop;
		295
		296	my $busy = 1;
		297	my @res;
		298
		299	(Coro::async {
		300	@res = eval { $job->() };
		301	warn $@ if $@;
		302	undef $busy;
		303	})->prio (Coro::PRIO_MAX);
		304
		305	while ($busy) {
		306	Coro::cede_notself;
		307	Event::one_event unless Coro::nready;
		308	}
		309
		310	wantarray ? @res : $res[0]
		311	} else {
		312	# we are in another coroutine, how wonderful, everything just works
		313
		314	$job->()
		315	}
		316	}
		317
		318	=item $coro = cf::coro { BLOCK }
		319
		320	Creates and returns a new coro. This coro is automcatially being canceled
		321	when the extension calling this is being unloaded.
		322
		323	=cut
		324
		325	sub coro(&) {
		326	my $cb = shift;
		327
		328	my $coro = &cf::async ($cb);
		329
		330	$coro->on_destroy (sub {
		331	delete $EXT_CORO{$coro+0};
		332	});
		333	$EXT_CORO{$coro+0} = $coro;
		334
		335	$coro
		336	}
		337
		338	sub write_runtime {
		339	my $runtime = cf::localdir . "/runtime";
		340
		341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		342	or return;
		343
		344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		345	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		346	and return;
		347
		348	aio_fsync $fh
		349	and return;
		350
		351	close $fh
		352	or return;
		353
		354	aio_rename "$runtime~", $runtime
		355	and return;
		356
		357	1
		358	}
		359
144	=back	360	=back
145		361
146	=cut	362	=cut
		363
		364	#############################################################################
		365
		366	package cf::path;
		367
		368	sub new {
		369	my ($class, $path, $base) = @_;
		370
		371	$path = $path->as_string if ref $path;
		372
		373	my $self = bless { }, $class;
		374
		375	# {... are special paths that are not touched
		376	# ?xxx/... are special absolute paths
		377	# ?random/... random maps
		378	# /! non-realised random map exit
		379	# /... normal maps
		380	# ~/... per-player maps without a specific player (DO NOT USE)
		381	# ~user/... per-player map of a specific user
		382
		383	if ($path =~ /^{/) {
		384	# fine as it is
		385	} elsif ($path =~ s{^\?random/}{}) {
		386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		387	$self->{random} = cf::from_json $data;
		388	} else {
		389	if ($path =~ s{^~([^/]+)?}{}) {
		390	$self->{user_rel} = 1;
		391
		392	if (defined $1) {
		393	$self->{user} = $1;
		394	} elsif ($base =~ m{^~([^/]+)/}) {
		395	$self->{user} = $1;
		396	} else {
		397	warn "cannot resolve user-relative path without user <$path,$base>\n";
		398	}
		399	} elsif ($path =~ /^\//) {
		400	# already absolute
		401	} else {
		402	$base =~ s{[^/]+/?$}{};
		403	return $class->new ("$base/$path");
		404	}
		405
		406	for ($path) {
		407	redo if s{/\.?/}{/};
		408	redo if s{/[^/]+/\.\./}{/};
		409	}
		410	}
		411
		412	$self->{path} = $path;
		413
		414	$self
		415	}
		416
		417	# the name / primary key / in-game path
		418	sub as_string {
		419	my ($self) = @_;
		420
		421	$self->{user_rel} ? "~$self->{user}$self->{path}"
		422	: $self->{random} ? "?random/$self->{path}"
		423	: $self->{path}
		424	}
		425
		426	# the displayed name, this is a one way mapping
		427	sub visible_name {
		428	my ($self) = @_;
		429
		430	# if (my $rmp = $self->{random}) {
		431	# # todo: be more intelligent about this
		432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		433	# } else {
		434	$self->as_string
		435	# }
		436	}
		437
		438	# escape the /'s in the path
		439	sub _escaped_path {
		440	# ∕ is U+2215
		441	(my $path = $_[0]{path}) =~ s/\//∕/g;
		442	$path
		443	}
		444
		445	# the original (read-only) location
		446	sub load_path {
		447	my ($self) = @_;
		448
		449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		450	}
		451
		452	# the temporary/swap location
		453	sub save_path {
		454	my ($self) = @_;
		455
		456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		459	}
		460
		461	# the unique path, might be eq to save_path
		462	sub uniq_path {
		463	my ($self) = @_;
		464
		465	$self->{user_rel} || $self->{random}
		466	? undef
		467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		468	}
		469
		470	# return random map parameters, or undef
		471	sub random_map_params {
		472	my ($self) = @_;
		473
		474	$self->{random}
		475	}
		476
		477	# this is somewhat ugly, but style maps do need special treatment
		478	sub is_style_map {
		479	$_[0]{path} =~ m{^/styles/}
		480	}
		481
		482	package cf;
147		483
148	#############################################################################	484	#############################################################################
149		485
150	=head2 ATTACHABLE OBJECTS	486	=head2 ATTACHABLE OBJECTS
151		487
…		…
454	=cut	790	=cut
455		791
456	#############################################################################	792	#############################################################################
457	# object support	793	# object support
458		794
		795	sub reattach {
		796	# basically do the same as instantiate, without calling instantiate
		797	my ($obj) = @_;
		798
		799	my $registry = $obj->registry;
		800
		801	@$registry = ();
		802
		803	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
		804
		805	for my $name (keys %{ $obj->{_attachment} || {} }) {
		806	if (my $attach = $attachment{$name}) {
		807	for (@$attach) {
		808	my ($klass, @attach) = @$_;
		809	_attach $registry, $klass, @attach;
		810	}
		811	} else {
		812	warn "object uses attachment '$name' that is not available, postponing.\n";
		813	}
		814	}
		815	}
		816
459	cf::attachable->attach (	817	cf::attachable->attach (
460	prio => -1000000,	818	prio => -1000000,
461	on_instantiate => sub {	819	on_instantiate => sub {
462	my ($obj, $data) = @_;	820	my ($obj, $data) = @_;
463		821
…		…
467	my ($name, $args) = @$_;	825	my ($name, $args) = @$_;
468		826
469	$obj->attach ($name, %{$args || {} });	827	$obj->attach ($name, %{$args || {} });
470	}	828	}
471	},	829	},
472	on_reattach => sub {	830	on_reattach => \&reattach,
473	# basically do the same as instantiate, without calling instantiate
474	my ($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 {	831	on_clone => sub {
493	my ($src, $dst) = @_;	832	my ($src, $dst) = @_;
494		833
495	@{$dst->registry} = @{$src->registry};	834	@{$dst->registry} = @{$src->registry};
496		835
…		…
502	);	841	);
503		842
504	sub object_freezer_save {	843	sub object_freezer_save {
505	my ($filename, $rdata, $objs) = @_;	844	my ($filename, $rdata, $objs) = @_;
506		845
		846	sync_job {
507	if (length $$rdata) {	847	if (length $$rdata) {
508	warn sprintf "saving %s (%d,%d)\n",	848	warn sprintf "saving %s (%d,%d)\n",
509	$filename, length $$rdata, scalar @$objs;	849	$filename, length $$rdata, scalar @$objs;
510		850
511	if (open my $fh, ">:raw", "$filename~") {	851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
512	chmod SAVE_MODE, $fh;
513	syswrite $fh, $$rdata;
514	close $fh;
515
516	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
517	chmod SAVE_MODE, $fh;	852	chmod SAVE_MODE, $fh;
518	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		854	aio_fsync $fh;
519	close $fh;	855	close $fh;
		856
		857	if (@$objs) {
		858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		859	chmod SAVE_MODE, $fh;
		860	my $data = Storable::nfreeze { version => 1, objs => $objs };
		861	aio_write $fh, 0, (length $data), $data, 0;
		862	aio_fsync $fh;
		863	close $fh;
520	rename "$filename.pst~", "$filename.pst";	864	aio_rename "$filename.pst~", "$filename.pst";
		865	}
		866	} else {
		867	aio_unlink "$filename.pst";
		868	}
		869
		870	aio_rename "$filename~", $filename;
521	} else {	871	} else {
522	unlink "$filename.pst";	872	warn "FATAL: $filename~: $!\n";
523	}	873	}
524
525	rename "$filename~", $filename;
526	} else {	874	} else {
527	warn "FATAL: $filename~: $!\n";
528	}
529	} else {
530	unlink $filename;	875	aio_unlink $filename;
531	unlink "$filename.pst";	876	aio_unlink "$filename.pst";
		877	}
532	}	878	}
533	}	879	}
534		880
535	sub object_freezer_as_string {	881	sub object_freezer_as_string {
536	my ($rdata, $objs) = @_;	882	my ($rdata, $objs) = @_;
…		…
541	}	887	}
542		888
543	sub object_thawer_load {	889	sub object_thawer_load {
544	my ($filename) = @_;	890	my ($filename) = @_;
545		891
546	local $/;	892	my ($data, $av);
547		893
548	my $av;	894	(aio_load $filename, $data) >= 0
		895	or return;
549		896
550	#TODO: use sysread etc.	897	unless (aio_stat "$filename.pst") {
551	if (open my $data, "<:raw:perlio", $filename) {	898	(aio_load "$filename.pst", $av) >= 0
552	$data = <$data>;	899	or return;
553	if (open my $pst, "<:raw:perlio", "$filename.pst") {
554	$av = eval { (Storable::thaw <$pst>)->{objs} };	900	$av = eval { (Storable::thaw $av)->{objs} };
555	}	901	}
		902
		903	warn sprintf "loading %s (%d)\n",
		904	$filename, length $data, scalar @{$av || []};#d#
556	return ($data, $av);	905	return ($data, $av);
557	}
558
559	()
560	}	906	}
561		907
562	#############################################################################	908	#############################################################################
563	# command handling &c	909	# command handling &c
564		910
…		…
785	$self->send ("ext " . to_json \%msg);	1131	$self->send ("ext " . to_json \%msg);
786	}	1132	}
787		1133
788	=back	1134	=back
789		1135
		1136
		1137	=head3 cf::map
		1138
		1139	=over 4
		1140
		1141	=cut
		1142
		1143	package cf::map;
		1144
		1145	use Fcntl;
		1146	use Coro::AIO;
		1147
		1148	our $MAX_RESET = 3600;
		1149	our $DEFAULT_RESET = 3000;
		1150
		1151	sub generate_random_map {
		1152	my ($path, $rmp) = @_;
		1153
		1154	# mit "rum" bekleckern, nicht
		1155	cf::map::_create_random_map
		1156	$path,
		1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1160	$rmp->{exit_on_final_map},
		1161	$rmp->{xsize}, $rmp->{ysize},
		1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1167	(cf::region::find $rmp->{region})
		1168	}
		1169
		1170	# and all this just because we cannot iterate over
		1171	# all maps in C++...
		1172	sub change_all_map_light {
		1173	my ($change) = @_;
		1174
		1175	$_->change_map_light ($change)
		1176	for grep $_->outdoor, values %cf::MAP;
		1177	}
		1178
		1179	sub try_load_header($) {
		1180	my ($path) = @_;
		1181
		1182	utf8::encode $path;
		1183	aio_open $path, O_RDONLY, 0
		1184	or return;
		1185
		1186	my $map = cf::map::new
		1187	or return;
		1188
		1189	$map->load_header ($path)
		1190	or return;
		1191
		1192	$map->{load_path} = $path;
		1193
		1194	$map
		1195	}
		1196
		1197	sub find;
		1198	sub find {
		1199	my ($path, $origin) = @_;
		1200
		1201	#warn "find<$path,$origin>\n";#d#
		1202
		1203	$path = new cf::path $path, $origin && $origin->path;
		1204	my $key = $path->as_string;
		1205
		1206	cf::lock_wait "map_find:$key";
		1207
		1208	$cf::MAP{$key} || do {
		1209	my $guard = cf::lock_acquire "map_find:$key";
		1210
		1211	# do it the slow way
		1212	my $map = try_load_header $path->save_path;
		1213
		1214	if ($map) {
		1215	$map->last_access ((delete $map->{last_access})
		1216	|| $cf::RUNTIME); #d#
		1217	# safety
		1218	$map->{instantiate_time} = $cf::RUNTIME
		1219	if $map->{instantiate_time} > $cf::RUNTIME;
		1220	} else {
		1221	if (my $rmp = $path->random_map_params) {
		1222	$map = generate_random_map $key, $rmp;
		1223	} else {
		1224	$map = try_load_header $path->load_path;
		1225	}
		1226
		1227	$map or return;
		1228
		1229	$map->{load_original} = 1;
		1230	$map->{instantiate_time} = $cf::RUNTIME;
		1231	$map->last_access ($cf::RUNTIME);
		1232	$map->instantiate;
		1233
		1234	# per-player maps become, after loading, normal maps
		1235	$map->per_player (0) if $path->{user_rel};
		1236	}
		1237
		1238	$map->path ($key);
		1239	$map->{path} = $path;
		1240	$map->{last_save} = $cf::RUNTIME;
		1241
		1242	if ($map->should_reset) {
		1243	$map->reset;
		1244	undef $guard;
		1245	$map = find $path
		1246	or return;
		1247	}
		1248
		1249	$cf::MAP{$key} = $map
		1250	}
		1251	}
		1252
		1253	sub load {
		1254	my ($self) = @_;
		1255
		1256	my $path = $self->{path};
		1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1258
		1259	return if $self->in_memory != cf::MAP_SWAPPED;
		1260
		1261	$self->in_memory (cf::MAP_LOADING);
		1262
		1263	$self->alloc;
		1264	$self->load_objects ($self->{load_path}, 1)
		1265	or return;
		1266
		1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1268	if delete $self->{load_original};
		1269
		1270	if (my $uniq = $path->uniq_path) {
		1271	utf8::encode $uniq;
		1272	if (aio_open $uniq, O_RDONLY, 0) {
		1273	$self->clear_unique_items;
		1274	$self->load_objects ($uniq, 0);
		1275	}
		1276	}
		1277
		1278	# now do the right thing for maps
		1279	$self->link_multipart_objects;
		1280
		1281	if ($self->{path}->is_style_map) {
		1282	$self->{deny_save} = 1;
		1283	$self->{deny_reset} = 1;
		1284	} else {
		1285	$self->fix_auto_apply;
		1286	$self->decay_objects;
		1287	$self->update_buttons;
		1288	$self->set_darkness_map;
		1289	$self->difficulty ($self->estimate_difficulty)
		1290	unless $self->difficulty;
		1291	$self->activate;
		1292	}
		1293
		1294	$self->in_memory (cf::MAP_IN_MEMORY);
		1295	}
		1296
		1297	sub find_sync {
		1298	my ($path, $origin) = @_;
		1299
		1300	cf::sync_job { cf::map::find $path, $origin }
		1301	}
		1302
		1303	sub do_load_sync {
		1304	my ($map) = @_;
		1305
		1306	cf::sync_job { $map->load };
		1307	}
		1308
		1309	sub save {
		1310	my ($self) = @_;
		1311
		1312	$self->{last_save} = $cf::RUNTIME;
		1313
		1314	return unless $self->dirty;
		1315
		1316	my $save = $self->{path}->save_path; utf8::encode $save;
		1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1318
		1319	$self->{load_path} = $save;
		1320
		1321	return if $self->{deny_save};
		1322
		1323	local $self->{last_access} = $self->last_access;#d#
		1324
		1325	if ($uniq) {
		1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1327	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1328	} else {
		1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1330	}
		1331	}
		1332
		1333	sub swap_out {
		1334	my ($self) = @_;
		1335
		1336	# save first because save cedes
		1337	$self->save;
		1338
		1339	return if $self->players;
		1340	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1341	return if $self->{deny_save};
		1342
		1343	$self->clear;
		1344	$self->in_memory (cf::MAP_SWAPPED);
		1345	}
		1346
		1347	sub reset_at {
		1348	my ($self) = @_;
		1349
		1350	# TODO: safety, remove and allow resettable per-player maps
		1351	return 1e99 if $self->{path}{user_rel};
		1352	return 1e99 if $self->{deny_reset};
		1353
		1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1356
		1357	$time + $to
		1358	}
		1359
		1360	sub should_reset {
		1361	my ($self) = @_;
		1362
		1363	$self->reset_at <= $cf::RUNTIME
		1364	}
		1365
		1366	sub unlink_save {
		1367	my ($self) = @_;
		1368
		1369	utf8::encode (my $save = $self->{path}->save_path);
		1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1372	}
		1373
		1374	sub rename {
		1375	my ($self, $new_path) = @_;
		1376
		1377	$self->unlink_save;
		1378
		1379	delete $cf::MAP{$self->path};
		1380	$self->{path} = new cf::path $new_path;
		1381	$self->path ($self->{path}->as_string);
		1382	$cf::MAP{$self->path} = $self;
		1383
		1384	$self->save;
		1385	}
		1386
		1387	sub reset {
		1388	my ($self) = @_;
		1389
		1390	return if $self->players;
		1391	return if $self->{path}{user_rel};#d#
		1392
		1393	warn "resetting map ", $self->path;#d#
		1394
		1395	delete $cf::MAP{$self->path};
		1396
		1397	$_->clear_links_to ($self) for values %cf::MAP;
		1398
		1399	$self->unlink_save;
		1400	$self->destroy;
		1401	}
		1402
		1403	my $nuke_counter = "aaaa";
		1404
		1405	sub nuke {
		1406	my ($self) = @_;
		1407
		1408	$self->{deny_save} = 1;
		1409	$self->reset_timeout (1);
		1410	$self->rename ("{nuke}/" . ($nuke_counter++));
		1411	$self->reset; # polite request, might not happen
		1412	}
		1413
		1414	sub customise_for {
		1415	my ($map, $ob) = @_;
		1416
		1417	if ($map->per_player) {
		1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1419	}
		1420
		1421	$map
		1422	}
		1423
		1424	sub emergency_save {
		1425	my $freeze_guard = cf::freeze_mainloop;
		1426
		1427	warn "enter emergency map save\n";
		1428
		1429	cf::sync_job {
		1430	warn "begin emergency map save\n";
		1431	$_->save for values %cf::MAP;
		1432	};
		1433
		1434	warn "end emergency map save\n";
		1435	}
		1436
		1437	package cf;
		1438
		1439	=back
		1440
		1441
790	=head3 cf::object::player	1442	=head3 cf::object::player
791		1443
792	=over 4	1444	=over 4
793		1445
794	=item $player_object->reply ($npc, $msg[, $flags])	1446	=item $player_object->reply ($npc, $msg[, $flags])
…		…
829	(ref $cf::CFG{"may_$access"}	1481	(ref $cf::CFG{"may_$access"}
830	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1482	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
831	: $cf::CFG{"may_$access"})	1483	: $cf::CFG{"may_$access"})
832	}	1484	}
833		1485
		1486	=item $player_object->enter_link
		1487
		1488	Freezes the player and moves him/her to a special map (C<{link}>).
		1489
		1490	The player should be reaosnably safe there for short amounts of time. You
		1491	I<MUST> call C<leave_link> as soon as possible, though.
		1492
		1493	=item $player_object->leave_link ($map, $x, $y)
		1494
		1495	Moves the player out of the specila link map onto the given map. If the
		1496	map is not valid (or omitted), the player will be moved back to the
		1497	location he/she was before the call to C<enter_link>, or, if that fails,
		1498	to the emergency map position.
		1499
		1500	Might block.
		1501
		1502	=cut
		1503
		1504	sub cf::object::player::enter_link {
		1505	my ($self) = @_;
		1506
		1507	$self->deactivate_recursive;
		1508
		1509	return if $self->map == $LINK_MAP;
		1510
		1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1512	if $self->map;
		1513
		1514	$self->enter_map ($LINK_MAP, 20, 20);
		1515	}
		1516
		1517	sub cf::object::player::leave_link {
		1518	my ($self, $map, $x, $y) = @_;
		1519
		1520	my $link_pos = delete $self->{_link_pos};
		1521
		1522	unless ($map) {
		1523	# restore original map position
		1524	($map, $x, $y) = @{ $link_pos || [] };
		1525	$map = cf::map::find $map;
		1526
		1527	unless ($map) {
		1528	($map, $x, $y) = @$EMERGENCY_POSITION;
		1529	$map = cf::map::find $map
		1530	or die "FATAL: cannot load emergency map\n";
		1531	}
		1532	}
		1533
		1534	($x, $y) = (-1, -1)
		1535	unless (defined $x) && (defined $y);
		1536
		1537	# use -1 or undef as default coordinates, not 0, 0
		1538	($x, $y) = ($map->enter_x, $map->enter_y)
		1539	if $x <=0 && $y <= 0;
		1540
		1541	$map->load;
		1542
		1543	$self->activate_recursive;
		1544	$self->enter_map ($map, $x, $y);
		1545	}
		1546
		1547	cf::player->attach (
		1548	on_logout => sub {
		1549	my ($pl) = @_;
		1550
		1551	# abort map switching before logout
		1552	if ($pl->ob->{_link_pos}) {
		1553	cf::sync_job {
		1554	$pl->ob->leave_link
		1555	};
		1556	}
		1557	},
		1558	on_login => sub {
		1559	my ($pl) = @_;
		1560
		1561	# try to abort aborted map switching on player login :)
		1562	# should happen only on crashes
		1563	if ($pl->ob->{_link_pos}) {
		1564	$pl->ob->enter_link;
		1565	cf::async {
		1566	# we need this sleep as the login has a concurrent enter_exit running
		1567	# and this sleep increases chances of the player not ending up in scorn
		1568	Coro::Timer::sleep 1;
		1569	$pl->ob->leave_link;
		1570	};
		1571	}
		1572	},
		1573	);
		1574
		1575	=item $player_object->goto_map ($path, $x, $y)
		1576
		1577	=cut
		1578
		1579	sub cf::object::player::goto_map {
		1580	my ($self, $path, $x, $y) = @_;
		1581
		1582	$self->enter_link;
		1583
		1584	(cf::async {
		1585	$path = new cf::path $path;
		1586
		1587	my $map = cf::map::find $path->as_string;
		1588	$map = $map->customise_for ($self) if $map;
		1589
		1590	# warn "entering ", $map->path, " at ($x, $y)\n"
		1591	# if $map;
		1592
		1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1594
		1595	$self->leave_link ($map, $x, $y);
		1596	})->prio (1);
		1597	}
		1598
		1599	=item $player_object->enter_exit ($exit_object)
		1600
		1601	=cut
		1602
		1603	sub parse_random_map_params {
		1604	my ($spec) = @_;
		1605
		1606	my $rmp = { # defaults
		1607	xsize => 10,
		1608	ysize => 10,
		1609	};
		1610
		1611	for (split /\n/, $spec) {
		1612	my ($k, $v) = split /\s+/, $_, 2;
		1613
		1614	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1615	}
		1616
		1617	$rmp
		1618	}
		1619
		1620	sub prepare_random_map {
		1621	my ($exit) = @_;
		1622
		1623	# all this does is basically replace the /! path by
		1624	# a new random map path (?random/...) with a seed
		1625	# that depends on the exit object
		1626
		1627	my $rmp = parse_random_map_params $exit->msg;
		1628
		1629	if ($exit->map) {
		1630	$rmp->{region} = $exit->map->region_name;
		1631	$rmp->{origin_map} = $exit->map->path;
		1632	$rmp->{origin_x} = $exit->x;
		1633	$rmp->{origin_y} = $exit->y;
		1634	}
		1635
		1636	$rmp->{random_seed} ||= $exit->random_seed;
		1637
		1638	my $data = cf::to_json $rmp;
		1639	my $md5 = Digest::MD5::md5_hex $data;
		1640
		1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1642	aio_write $fh, 0, (length $data), $data, 0;
		1643
		1644	$exit->slaying ("?random/$md5");
		1645	$exit->msg (undef);
		1646	}
		1647	}
		1648
		1649	sub cf::object::player::enter_exit {
		1650	my ($self, $exit) = @_;
		1651
		1652	return unless $self->type == cf::PLAYER;
		1653
		1654	$self->enter_link;
		1655
		1656	(cf::async {
		1657	$self->deactivate_recursive; # just to be sure
		1658	unless (eval {
		1659	prepare_random_map $exit
		1660	if $exit->slaying eq "/!";
		1661
		1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1664
		1665	1;
		1666	}) {
		1667	$self->message ("Something went wrong deep within the crossfire server. "
		1668	. "I'll try to bring you back to the map you were before. "
		1669	. "Please report this to the dungeon master",
		1670	cf::NDI_UNIQUE | cf::NDI_RED);
		1671
		1672	warn "ERROR in enter_exit: $@";
		1673	$self->leave_link;
		1674	}
		1675	})->prio (1);
		1676	}
		1677
834	=head3 cf::client	1678	=head3 cf::client
835		1679
836	=over 4	1680	=over 4
837		1681
838	=item $client->send_drawinfo ($text, $flags)	1682	=item $client->send_drawinfo ($text, $flags)
…		…
881	on_reply => sub {	1725	on_reply => sub {
882	my ($ns, $msg) = @_;	1726	my ($ns, $msg) = @_;
883		1727
884	# this weird shuffling is so that direct followup queries	1728	# this weird shuffling is so that direct followup queries
885	# get handled first	1729	# get handled first
886	my $queue = delete $ns->{query_queue};	1730	my $queue = delete $ns->{query_queue}
		1731	or return; # be conservative, not sure how that can happen, but we saw a crash here
887		1732
888	(shift @$queue)->[1]->($msg);	1733	(shift @$queue)->[1]->($msg);
889		1734
890	push @{ $ns->{query_queue} }, @$queue;	1735	push @{ $ns->{query_queue} }, @$queue;
891		1736
…		…
908	=cut	1753	=cut
909		1754
910	sub cf::client::coro {	1755	sub cf::client::coro {
911	my ($self, $cb) = @_;	1756	my ($self, $cb) = @_;
912		1757
913	my $coro; $coro = async {	1758	my $coro = &cf::async ($cb);
914	eval {	1759
915	$cb->();	1760	$coro->on_destroy (sub {
916	};
917	warn $@ if $@;
918	delete $self->{_coro}{$coro+0};	1761	delete $self->{_coro}{$coro+0};
919	};	1762	});
920		1763
921	$self->{_coro}{$coro+0} = $coro;	1764	$self->{_coro}{$coro+0} = $coro;
		1765
		1766	$coro
922	}	1767	}
923		1768
924	cf::client->attach (	1769	cf::client->attach (
925	on_destroy => sub {	1770	on_destroy => sub {
926	my ($ns) = @_;	1771	my ($ns) = @_;
…		…
1090		1935
1091	{	1936	{
1092	my $path = cf::localdir . "/database.pst";	1937	my $path = cf::localdir . "/database.pst";
1093		1938
1094	sub db_load() {	1939	sub db_load() {
1095	warn "loading database $path\n";#d# remove later
1096	$DB = stat $path ? Storable::retrieve $path : { };	1940	$DB = stat $path ? Storable::retrieve $path : { };
1097	}	1941	}
1098		1942
1099	my $pid;	1943	my $pid;
1100		1944
1101	sub db_save() {	1945	sub db_save() {
1102	warn "saving database $path\n";#d# remove later
1103	waitpid $pid, 0 if $pid;	1946	waitpid $pid, 0 if $pid;
1104	if (0 == ($pid = fork)) {	1947	if (0 == ($pid = fork)) {
1105	$DB->{_meta}{version} = 1;	1948	$DB->{_meta}{version} = 1;
1106	Storable::nstore $DB, "$path~";	1949	Storable::nstore $DB, "$path~";
1107	rename "$path~", $path;	1950	rename "$path~", $path;
…		…
1155	open my $fh, "<:utf8", cf::confdir . "/config"	1998	open my $fh, "<:utf8", cf::confdir . "/config"
1156	or return;	1999	or return;
1157		2000
1158	local $/;	2001	local $/;
1159	*CFG = YAML::Syck::Load <$fh>;	2002	*CFG = YAML::Syck::Load <$fh>;
		2003
		2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2005
		2006	if (exists $CFG{mlockall}) {
		2007	eval {
		2008	$CFG{mlockall} ? &mlockall : &munlockall
		2009	and die "WARNING: m(un)lockall failed: $!\n";
		2010	};
		2011	warn $@ if $@;
		2012	}
1160	}	2013	}
1161		2014
1162	sub main {	2015	sub main {
		2016	# we must not ever block the main coroutine
		2017	local $Coro::idle = sub {
		2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2019	(Coro::unblock_sub {
		2020	Event::one_event;
		2021	})->();
		2022	};
		2023
1163	cfg_load;	2024	cfg_load;
1164	db_load;	2025	db_load;
1165	load_extensions;	2026	load_extensions;
1166	Event::loop;	2027	Event::loop;
1167	}	2028	}
1168		2029
1169	#############################################################################	2030	#############################################################################
1170	# initialisation	2031	# initialisation
1171		2032
1172	sub _perl_reload(&) {	2033	sub reload() {
1173	my ($msg) = @_;	2034	# can/must only be called in main
		2035	if ($Coro::current != $Coro::main) {
		2036	warn "can only reload from main coroutine\n";
		2037	return;
		2038	}
1174		2039
1175	$msg->("reloading...");	2040	warn "reloading...";
		2041
		2042	my $guard = freeze_mainloop;
		2043	cf::emergency_save;
1176		2044
1177	eval {	2045	eval {
		2046	# if anything goes wrong in here, we should simply crash as we already saved
		2047
1178	# cancel all watchers	2048	# cancel all watchers
1179	for (Event::all_watchers) {	2049	for (Event::all_watchers) {
1180	$_->cancel if $_->data & WF_AUTOCANCEL;	2050	$_->cancel if $_->data & WF_AUTOCANCEL;
1181	}	2051	}
1182		2052
		2053	# cancel all extension coros
		2054	$_->cancel for values %EXT_CORO;
		2055	%EXT_CORO = ();
		2056
1183	# unload all extensions	2057	# unload all extensions
1184	for (@exts) {	2058	for (@exts) {
1185	$msg->("unloading <$_>");	2059	warn "unloading <$_>";
1186	unload_extension $_;	2060	unload_extension $_;
1187	}	2061	}
1188		2062
1189	# unload all modules loaded from $LIBDIR	2063	# unload all modules loaded from $LIBDIR
1190	while (my ($k, $v) = each %INC) {	2064	while (my ($k, $v) = each %INC) {
1191	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1192		2066
1193	$msg->("removing <$k>");	2067	warn "removing <$k>";
1194	delete $INC{$k};	2068	delete $INC{$k};
1195		2069
1196	$k =~ s/\.pm$//;	2070	$k =~ s/\.pm$//;
1197	$k =~ s/\//::/g;	2071	$k =~ s/\//::/g;
1198		2072
…		…
1203	Symbol::delete_package $k;	2077	Symbol::delete_package $k;
1204	}	2078	}
1205		2079
1206	# sync database to disk	2080	# sync database to disk
1207	cf::db_sync;	2081	cf::db_sync;
		2082	IO::AIO::flush;
1208		2083
1209	# get rid of safe::, as good as possible	2084	# get rid of safe::, as good as possible
1210	Symbol::delete_package "safe::$_"	2085	Symbol::delete_package "safe::$_"
1211	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1212		2087
1213	# remove register_script_function callbacks	2088	# remove register_script_function callbacks
1214	# TODO	2089	# TODO
1215		2090
1216	# unload cf.pm "a bit"	2091	# unload cf.pm "a bit"
…		…
1219	# don't, removes xs symbols, too,	2094	# don't, removes xs symbols, too,
1220	# and global variables created in xs	2095	# and global variables created in xs
1221	#Symbol::delete_package __PACKAGE__;	2096	#Symbol::delete_package __PACKAGE__;
1222		2097
1223	# reload cf.pm	2098	# reload cf.pm
1224	$msg->("reloading cf.pm");	2099	warn "reloading cf.pm";
1225	require cf;	2100	require cf;
1226	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1227		2102
1228	# load config and database again	2103	# load config and database again
1229	cf::cfg_load;	2104	cf::cfg_load;
1230	cf::db_load;	2105	cf::db_load;
1231		2106
1232	# load extensions	2107	# load extensions
1233	$msg->("load extensions");	2108	warn "load extensions";
1234	cf::load_extensions;	2109	cf::load_extensions;
1235		2110
1236	# reattach attachments to objects	2111	# reattach attachments to objects
1237	$msg->("reattach");	2112	warn "reattach";
1238	_global_reattach;	2113	_global_reattach;
1239	};	2114	};
1240	$msg->($@) if $@;
1241		2115
1242	$msg->("reloaded");	2116	if ($@) {
		2117	warn $@;
		2118	warn "error while reloading, exiting.";
		2119	exit 1;
		2120	}
		2121
		2122	warn "reloaded successfully";
1243	};	2123	};
1244		2124
1245	sub perl_reload() {	2125	#############################################################################
1246	_perl_reload {	2126
1247	warn $_[0];	2127	unless ($LINK_MAP) {
1248	print "$_[0]\n";	2128	$LINK_MAP = cf::map::new;
1249	};	2129
		2130	$LINK_MAP->width (41);
		2131	$LINK_MAP->height (41);
		2132	$LINK_MAP->alloc;
		2133	$LINK_MAP->path ("{link}");
		2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2136
		2137	# dirty hack because... archetypes are not yet loaded
		2138	Event->timer (
		2139	after => 2,
		2140	cb => sub {
		2141	$_[0]->w->cancel;
		2142
		2143	# provide some exits "home"
		2144	my $exit = cf::object::new "exit";
		2145
		2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2149
		2150	$LINK_MAP->insert ($exit->clone, 19, 19);
		2151	$LINK_MAP->insert ($exit->clone, 19, 20);
		2152	$LINK_MAP->insert ($exit->clone, 19, 21);
		2153	$LINK_MAP->insert ($exit->clone, 20, 19);
		2154	$LINK_MAP->insert ($exit->clone, 20, 21);
		2155	$LINK_MAP->insert ($exit->clone, 21, 19);
		2156	$LINK_MAP->insert ($exit->clone, 21, 20);
		2157	$LINK_MAP->insert ($exit->clone, 21, 21);
		2158
		2159	$exit->destroy;
		2160	});
		2161
		2162	$LINK_MAP->{deny_save} = 1;
		2163	$LINK_MAP->{deny_reset} = 1;
		2164
		2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1250	}	2166	}
1251		2167
1252	register "<global>", __PACKAGE__;	2168	register "<global>", __PACKAGE__;
1253		2169
1254	register_command "perl-reload" => sub {	2170	register_command "reload" => sub {
1255	my ($who, $arg) = @_;	2171	my ($who, $arg) = @_;
1256		2172
1257	if ($who->flag (FLAG_WIZ)) {	2173	if ($who->flag (FLAG_WIZ)) {
1258	_perl_reload {	2174	$who->message ("start of reload.");
1259	warn $_[0];	2175	reload;
1260	$who->message ($_[0]);	2176	$who->message ("end of reload.");
1261	};
1262	}	2177	}
1263	};	2178	};
1264		2179
1265	unshift @INC, $LIBDIR;	2180	unshift @INC, $LIBDIR;
1266		2181
1267	$TICK_WATCHER = Event->timer (	2182	$TICK_WATCHER = Event->timer (
		2183	reentrant => 0,
1268	prio => 0,	2184	prio => 0,
1269	at => $NEXT_TICK || 1,	2185	at => $NEXT_TICK || $TICK,
1270	data => WF_AUTOCANCEL,	2186	data => WF_AUTOCANCEL,
1271	cb => sub {	2187	cb => sub {
1272	cf::server_tick; # one server iteration	2188	cf::server_tick; # one server iteration
1273		2189	$RUNTIME += $TICK;
1274	my $NOW = Event::time;
1275	$NEXT_TICK += $TICK;	2190	$NEXT_TICK += $TICK;
1276		2191
1277	# if we are delayed by four ticks or more, skip them all	2192	# if we are delayed by four ticks or more, skip them all
1278	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1279		2194
1280	$TICK_WATCHER->at ($NEXT_TICK);	2195	$TICK_WATCHER->at ($NEXT_TICK);
1281	$TICK_WATCHER->start;	2196	$TICK_WATCHER->start;
1282	},	2197	},
1283	);	2198	);
1284		2199
1285	IO::AIO::max_poll_time $TICK * 0.2;	2200	IO::AIO::max_poll_time $TICK * 0.2;
1286		2201
		2202	Event->io (
1287	Event->io (fd => IO::AIO::poll_fileno,	2203	fd => IO::AIO::poll_fileno,
1288	poll => 'r',	2204	poll => 'r',
1289	prio => 5,	2205	prio => 5,
1290	data => WF_AUTOCANCEL,	2206	data => WF_AUTOCANCEL,
1291	cb => \&IO::AIO::poll_cb);	2207	cb => \&IO::AIO::poll_cb,
		2208	);
		2209
		2210	Event->timer (
		2211	data => WF_AUTOCANCEL,
		2212	after => 0,
		2213	interval => 10,
		2214	cb => sub {
		2215	(Coro::unblock_sub {
		2216	write_runtime
		2217	or warn "ERROR: unable to write runtime file: $!";
		2218	})->();
		2219	},
		2220	);
		2221
		2222	END { cf::emergency_save }
1292		2223
1293	1	2224	1
1294		2225

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