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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.96 by root, Fri Dec 22 06:02:29 2006 UTC vs.
Revision 1.120 by root, Tue Jan 2 11:08:36 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
19	use IO::AIO;	18	use Coro::AIO;
		19
		20	use Digest::MD5;
		21	use Fcntl;
		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 = ();
34	our %EXTCMD = ();	37	our %EXTCMD = ();
35		38
36	_init_vars;
37
38	our @EVENT;	39	our @EVENT;
39	our $LIBDIR = datadir . "/ext";	40	our $LIBDIR = datadir . "/ext";
40		41
41	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
42	our $TICK_WATCHER;	43	our $TICK_WATCHER;
43	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
44		46
45	our %CFG;	47	our %CFG;
46		48
47	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
		77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
48		78
49	#############################################################################	79	#############################################################################
50		80
51	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
52		82
53	=over 4	83	=over 4
54		84
55	=item $cf::UPTIME	85	=item $cf::UPTIME
56		86
57	The timestamp of the server start (so not actually an uptime).	87	The timestamp of the server start (so not actually an uptime).
		88
		89	=item $cf::RUNTIME
		90
		91	The time this server has run, starts at 0 and is increased by $cf::TICK on
		92	every server tick.
58		93
59	=item $cf::LIBDIR	94	=item $cf::LIBDIR
60		95
61	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
62	be found. It will be added to C<@INC> automatically.	97	be found. It will be added to C<@INC> automatically.
		98
		99	=item $cf::NOW
		100
		101	The time of the last (current) server tick.
63		102
64	=item $cf::TICK	103	=item $cf::TICK
65		104
66	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
67		106
…		…
75	=cut	114	=cut
76		115
77	BEGIN {	116	BEGIN {
78	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
79	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
80	$msg .= "\n"	121	$msg .= "\n"
81	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
82		123
83	print STDERR "cfperl: $msg";
84	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
85	};	125	};
86	}	126	}
87		127
88	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
93	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
94		134
95	# we bless all objects into (empty) derived classes to force a method lookup	135	# we bless all objects into (empty) derived classes to force a method lookup
96	# within the Safe compartment.	136	# within the Safe compartment.
97	for my $pkg (qw(	137	for my $pkg (qw(
98	cf::global	138	cf::global cf::attachable
99	cf::object cf::object::player	139	cf::object cf::object::player
100	cf::client cf::player	140	cf::client cf::player
101	cf::arch cf::living	141	cf::arch cf::living
102	cf::map cf::party cf::region	142	cf::map cf::party cf::region
103	)) {	143	)) {
…		…
141	sub to_json($) {	181	sub to_json($) {
142	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
143	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
144	}	184	}
145		185
		186	=item my $guard = cf::guard { BLOCK }
		187
		188	Run the given callback when the guard object gets destroyed (useful for
		189	coroutine cancellations).
		190
		191	You can call C<< ->cancel >> on the guard object to stop the block from
		192	being executed.
		193
		194	=cut
		195
		196	sub guard(&) {
		197	bless \(my $cb = $_[0]), cf::guard::;
		198	}
		199
		200	sub cf::guard::cancel {
		201	${$_[0]} = sub { };
		202	}
		203
		204	sub cf::guard::DESTROY {
		205	${$_[0]}->();
		206	}
		207
		208	=item cf::lock_wait $string
		209
		210	Wait until the given lock is available. See cf::lock_acquire.
		211
		212	=item my $lock = cf::lock_acquire $string
		213
		214	Wait until the given lock is available and then acquires it and returns
		215	a guard object. If the guard object gets destroyed (goes out of scope,
		216	for example when the coroutine gets canceled), the lock is automatically
		217	returned.
		218
		219	Lock names should begin with a unique identifier (for example, find_map
		220	uses map_find and load_map uses map_load).
		221
		222	=cut
		223
		224	our %LOCK;
		225
		226	sub lock_wait($) {
		227	my ($key) = @_;
		228
		229	# wait for lock, if any
		230	while ($LOCK{$key}) {
		231	push @{ $LOCK{$key} }, $Coro::current;
		232	Coro::schedule;
		233	}
		234	}
		235
		236	sub lock_acquire($) {
		237	my ($key) = @_;
		238
		239	# wait, to be sure we are not locked
		240	lock_wait $key;
		241
		242	$LOCK{$key} = [];
		243
		244	cf::guard {
		245	# wake up all waiters, to be on the safe side
		246	$_->ready for @{ delete $LOCK{$key} };
		247	}
		248	}
		249
		250	=item cf::sync_job { BLOCK }
		251
		252	The design of crossfire+ requires that the main coro ($Coro::main) is
		253	always able to handle events or runnable, as crossfire+ is only partly
		254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		255
		256	If it must be done, put the blocking parts into C<sync_job>. This will run
		257	the given BLOCK in another coroutine while waiting for the result. The
		258	server will be frozen during this time, so the block should either finish
		259	fast or be very important.
		260
		261	=cut
		262
		263	sub sync_job(&) {
		264	my ($job) = @_;
		265
		266	if ($Coro::current == $Coro::main) {
		267	# this is the main coro, too bad, we have to block
		268	# till the operation succeeds, freezing the server :/
		269
		270	# TODO: use suspend/resume instead
		271	# (but this is cancel-safe)
		272	local $FREEZE = 1;
		273
		274	my $busy = 1;
		275	my @res;
		276
		277	(Coro::async {
		278	@res = eval { $job->() };
		279	warn $@ if $@;
		280	undef $busy;
		281	})->prio (Coro::PRIO_MAX);
		282
		283	while ($busy) {
		284	Coro::cede_notself;
		285	Event::one_event unless Coro::nready;
		286	}
		287
		288	wantarray ? @res : $res[0]
		289	} else {
		290	# we are in another coroutine, how wonderful, everything just works
		291
		292	$job->()
		293	}
		294	}
		295
		296	=item $coro = cf::coro { BLOCK }
		297
		298	Creates and returns a new coro. This coro is automcatially being canceled
		299	when the extension calling this is being unloaded.
		300
		301	=cut
		302
		303	sub coro(&) {
		304	my $cb = shift;
		305
		306	my $coro; $coro = async {
		307	eval {
		308	$cb->();
		309	};
		310	warn $@ if $@;
		311	};
		312
		313	$coro->on_destroy (sub {
		314	delete $EXT_CORO{$coro+0};
		315	});
		316	$EXT_CORO{$coro+0} = $coro;
		317
		318	$coro
		319	}
		320
		321	sub write_runtime {
		322	my $runtime = cf::localdir . "/runtime";
		323
		324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		325	or return;
		326
		327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		329	and return;
		330
		331	aio_fsync $fh
		332	and return;
		333
		334	close $fh
		335	or return;
		336
		337	aio_rename "$runtime~", $runtime
		338	and return;
		339
		340	1
		341	}
		342
146	=back	343	=back
147		344
148	=cut	345	=cut
		346
		347	#############################################################################
		348
		349	package cf::path;
		350
		351	sub new {
		352	my ($class, $path, $base) = @_;
		353
		354	$path = $path->as_string if ref $path;
		355
		356	my $self = bless { }, $class;
		357
		358	# {... are special paths that are not touched
		359	# ?xxx/... are special absolute paths
		360	# ?random/... random maps
		361	# /! non-realised random map exit
		362	# /... normal maps
		363	# ~/... per-player maps without a specific player (DO NOT USE)
		364	# ~user/... per-player map of a specific user
		365
		366	if ($path =~ /^{/) {
		367	# fine as it is
		368	} elsif ($path =~ s{^\?random/}{}) {
		369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		370	$self->{random} = cf::from_json $data;
		371	} else {
		372	if ($path =~ s{^~([^/]+)?}{}) {
		373	$self->{user_rel} = 1;
		374
		375	if (defined $1) {
		376	$self->{user} = $1;
		377	} elsif ($base =~ m{^~([^/]+)/}) {
		378	$self->{user} = $1;
		379	} else {
		380	warn "cannot resolve user-relative path without user <$path,$base>\n";
		381	}
		382	} elsif ($path =~ /^\//) {
		383	# already absolute
		384	} else {
		385	$base =~ s{[^/]+/?$}{};
		386	return $class->new ("$base/$path");
		387	}
		388
		389	for ($path) {
		390	redo if s{/\.?/}{/};
		391	redo if s{/[^/]+/\.\./}{/};
		392	}
		393	}
		394
		395	$self->{path} = $path;
		396
		397	$self
		398	}
		399
		400	# the name / primary key / in-game path
		401	sub as_string {
		402	my ($self) = @_;
		403
		404	$self->{user_rel} ? "~$self->{user}$self->{path}"
		405	: $self->{random} ? "?random/$self->{path}"
		406	: $self->{path}
		407	}
		408
		409	# the displayed name, this is a one way mapping
		410	sub visible_name {
		411	my ($self) = @_;
		412
		413	# if (my $rmp = $self->{random}) {
		414	# # todo: be more intelligent about this
		415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		416	# } else {
		417	$self->as_string
		418	# }
		419	}
		420
		421	# escape the /'s in the path
		422	sub _escaped_path {
		423	# ∕ is U+2215
		424	(my $path = $_[0]{path}) =~ s/\//∕/g;
		425	$path
		426	}
		427
		428	# the original (read-only) location
		429	sub load_path {
		430	my ($self) = @_;
		431
		432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		433	}
		434
		435	# the temporary/swap location
		436	sub save_path {
		437	my ($self) = @_;
		438
		439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		442	}
		443
		444	# the unique path, might be eq to save_path
		445	sub uniq_path {
		446	my ($self) = @_;
		447
		448	$self->{user_rel} || $self->{random}
		449	? undef
		450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		451	}
		452
		453	# return random map parameters, or undef
		454	sub random_map_params {
		455	my ($self) = @_;
		456
		457	$self->{random}
		458	}
		459
		460	# this is somewhat ugly, but style maps do need special treatment
		461	sub is_style_map {
		462	$_[0]{path} =~ m{^/styles/}
		463	}
		464
		465	package cf;
149		466
150	#############################################################################	467	#############################################################################
151		468
152	=head2 ATTACHABLE OBJECTS	469	=head2 ATTACHABLE OBJECTS
153		470
…		…
269	exception.	586	exception.
270		587
271	=cut	588	=cut
272		589
273	# the following variables are defined in .xs and must not be re-created	590	# the following variables are defined in .xs and must not be re-created
274	our @CB_GLOBAL = (); # registry for all global events	591	our @CB_GLOBAL = (); # registry for all global events
		592	our @CB_ATTACHABLE = (); # registry for all attachables
275	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	593	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
276	our @CB_PLAYER = ();	594	our @CB_PLAYER = ();
277	our @CB_CLIENT = ();	595	our @CB_CLIENT = ();
278	our @CB_TYPE = (); # registry for type (cf-object class) based events	596	our @CB_TYPE = (); # registry for type (cf-object class) based events
279	our @CB_MAP = ();	597	our @CB_MAP = ();
280		598
281	my %attachment;	599	my %attachment;
282		600
283	sub _attach_cb($$$$) {	601	sub _attach_cb($$$$) {
284	my ($registry, $event, $prio, $cb) = @_;	602	my ($registry, $event, $prio, $cb) = @_;
…		…
289		607
290	@{$registry->[$event]} = sort	608	@{$registry->[$event]} = sort
291	{ $a->[0] cmp $b->[0] }	609	{ $a->[0] cmp $b->[0] }
292	@{$registry->[$event] || []}, $cb;	610	@{$registry->[$event] || []}, $cb;
293	}	611	}
		612
		613	# hack
		614	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
294		615
295	# attach handles attaching event callbacks	616	# attach handles attaching event callbacks
296	# the only thing the caller has to do is pass the correct	617	# the only thing the caller has to do is pass the correct
297	# registry (== where the callback attaches to).	618	# registry (== where the callback attaches to).
298	sub _attach {	619	sub _attach {
…		…
300		621
301	my $object_type;	622	my $object_type;
302	my $prio = 0;	623	my $prio = 0;
303	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	624	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
304		625
		626	#TODO: get rid of this hack
		627	if ($attachable_klass{$klass}) {
		628	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		629	}
		630
305	while (@arg) {	631	while (@arg) {
306	my $type = shift @arg;	632	my $type = shift @arg;
307		633
308	if ($type eq "prio") {	634	if ($type eq "prio") {
309	$prio = shift @arg;	635	$prio = shift @arg;
…		…
384	my ($obj, $name) = @_;	710	my ($obj, $name) = @_;
385		711
386	exists $obj->{_attachment}{$name}	712	exists $obj->{_attachment}{$name}
387	}	713	}
388		714
389	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	715	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
390	eval "#line " . __LINE__ . " 'cf.pm'	716	eval "#line " . __LINE__ . " 'cf.pm'
391	sub cf::\L$klass\E::_attach_registry {	717	sub cf::\L$klass\E::_attach_registry {
392	(\\\@CB_$klass, KLASS_$klass)	718	(\\\@CB_$klass, KLASS_$klass)
393	}	719	}
394		720
…		…
447	=cut	773	=cut
448		774
449	#############################################################################	775	#############################################################################
450	# object support	776	# object support
451		777
452	sub instantiate {
453	my ($obj, $data) = @_;
454
455	$data = from_json $data;
456
457	for (@$data) {
458	my ($name, $args) = @$_;
459
460	$obj->attach ($name, %{$args || {} });
461	}
462	}
463
464	# basically do the same as instantiate, without calling instantiate
465	sub reattach {	778	sub reattach {
		779	# basically do the same as instantiate, without calling instantiate
466	my ($obj) = @_;	780	my ($obj) = @_;
		781
467	my $registry = $obj->registry;	782	my $registry = $obj->registry;
468		783
469	@$registry = ();	784	@$registry = ();
470		785
471	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	786	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
…		…
480	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' that is not available, postponing.\n";
481	}	796	}
482	}	797	}
483	}	798	}
484		799
485	sub object_freezer_save {	800	cf::attachable->attach (
486	my ($filename, $rdata, $objs) = @_;
487
488	if (length $$rdata) {
489	warn sprintf "saving %s (%d,%d)\n",
490	$filename, length $$rdata, scalar @$objs;
491
492	if (open my $fh, ">:raw", "$filename~") {
493	chmod SAVE_MODE, $fh;
494	syswrite $fh, $$rdata;
495	close $fh;
496
497	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
498	chmod SAVE_MODE, $fh;
499	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
500	close $fh;
501	rename "$filename.pst~", "$filename.pst";
502	} else {
503	unlink "$filename.pst";
504	}
505
506	rename "$filename~", $filename;
507	} else {
508	warn "FATAL: $filename~: $!\n";
509	}
510	} else {
511	unlink $filename;
512	unlink "$filename.pst";
513	}
514	}
515
516	sub object_freezer_as_string {
517	my ($rdata, $objs) = @_;
518
519	use Data::Dumper;
520
521	$$rdata . Dumper $objs
522	}
523
524	sub object_thawer_load {
525	my ($filename) = @_;
526
527	local $/;
528
529	my $av;
530
531	#TODO: use sysread etc.
532	if (open my $data, "<:raw:perlio", $filename) {
533	$data = <$data>;
534	if (open my $pst, "<:raw:perlio", "$filename.pst") {
535	$av = eval { (Storable::thaw <$pst>)->{objs} };
536	}
537	return ($data, $av);
538	}
539
540	()
541	}
542
543	cf::object->attach (
544	prio => -1000000,	801	prio => -1000000,
		802	on_instantiate => sub {
		803	my ($obj, $data) = @_;
		804
		805	$data = from_json $data;
		806
		807	for (@$data) {
		808	my ($name, $args) = @$_;
		809
		810	$obj->attach ($name, %{$args || {} });
		811	}
		812	},
		813	on_reattach => \&reattach,
545	on_clone => sub {	814	on_clone => sub {
546	my ($src, $dst) = @_;	815	my ($src, $dst) = @_;
547		816
548	@{$dst->registry} = @{$src->registry};	817	@{$dst->registry} = @{$src->registry};
549		818
…		…
551		820
552	%{$dst->{_attachment}} = %{$src->{_attachment}}	821	%{$dst->{_attachment}} = %{$src->{_attachment}}
553	if exists $src->{_attachment};	822	if exists $src->{_attachment};
554	},	823	},
555	);	824	);
		825
		826	sub object_freezer_save {
		827	my ($filename, $rdata, $objs) = @_;
		828
		829	sync_job {
		830	if (length $$rdata) {
		831	warn sprintf "saving %s (%d,%d)\n",
		832	$filename, length $$rdata, scalar @$objs;
		833
		834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		835	chmod SAVE_MODE, $fh;
		836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		837	aio_fsync $fh;
		838	close $fh;
		839
		840	if (@$objs) {
		841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		842	chmod SAVE_MODE, $fh;
		843	my $data = Storable::nfreeze { version => 1, objs => $objs };
		844	aio_write $fh, 0, (length $data), $data, 0;
		845	aio_fsync $fh;
		846	close $fh;
		847	aio_rename "$filename.pst~", "$filename.pst";
		848	}
		849	} else {
		850	aio_unlink "$filename.pst";
		851	}
		852
		853	aio_rename "$filename~", $filename;
		854	} else {
		855	warn "FATAL: $filename~: $!\n";
		856	}
		857	} else {
		858	aio_unlink $filename;
		859	aio_unlink "$filename.pst";
		860	}
		861	}
		862	}
		863
		864	sub object_freezer_as_string {
		865	my ($rdata, $objs) = @_;
		866
		867	use Data::Dumper;
		868
		869	$$rdata . Dumper $objs
		870	}
		871
		872	sub object_thawer_load {
		873	my ($filename) = @_;
		874
		875	my ($data, $av);
		876
		877	(aio_load $filename, $data) >= 0
		878	or return;
		879
		880	unless (aio_stat "$filename.pst") {
		881	(aio_load "$filename.pst", $av) >= 0
		882	or return;
		883	$av = eval { (Storable::thaw $av)->{objs} };
		884	}
		885
		886	warn sprintf "loading %s (%d)\n",
		887	$filename, length $data, scalar @{$av || []};#d#
		888	return ($data, $av);
		889	}
556		890
557	#############################################################################	891	#############################################################################
558	# command handling &c	892	# command handling &c
559		893
560	=item cf::register_command $name => \&callback($ob,$args);	894	=item cf::register_command $name => \&callback($ob,$args);
…		…
780	$self->send ("ext " . to_json \%msg);	1114	$self->send ("ext " . to_json \%msg);
781	}	1115	}
782		1116
783	=back	1117	=back
784		1118
		1119
		1120	=head3 cf::map
		1121
		1122	=over 4
		1123
		1124	=cut
		1125
		1126	package cf::map;
		1127
		1128	use Fcntl;
		1129	use Coro::AIO;
		1130
		1131	our $MAX_RESET = 7200;
		1132	our $DEFAULT_RESET = 3600;
		1133
		1134	sub generate_random_map {
		1135	my ($path, $rmp) = @_;
		1136
		1137	# mit "rum" bekleckern, nicht
		1138	cf::map::_create_random_map
		1139	$path,
		1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1143	$rmp->{exit_on_final_map},
		1144	$rmp->{xsize}, $rmp->{ysize},
		1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1150	(cf::region::find $rmp->{region})
		1151	}
		1152
		1153	# and all this just because we cannot iterate over
		1154	# all maps in C++...
		1155	sub change_all_map_light {
		1156	my ($change) = @_;
		1157
		1158	$_->change_map_light ($change) for values %cf::MAP;
		1159	}
		1160
		1161	sub try_load_header($) {
		1162	my ($path) = @_;
		1163
		1164	utf8::encode $path;
		1165	aio_open $path, O_RDONLY, 0
		1166	or return;
		1167
		1168	my $map = cf::map::new
		1169	or return;
		1170
		1171	$map->load_header ($path)
		1172	or return;
		1173
		1174	$map->{load_path} = $path;
		1175
		1176	$map
		1177	}
		1178
		1179	sub find_map {
		1180	my ($path, $origin) = @_;
		1181
		1182	#warn "find_map<$path,$origin>\n";#d#
		1183
		1184	$path = new cf::path $path, $origin && $origin->path;
		1185	my $key = $path->as_string;
		1186
		1187	cf::lock_wait "map_find:$key";
		1188
		1189	$cf::MAP{$key} || do {
		1190	my $guard = cf::lock_acquire "map_find:$key";
		1191
		1192	# do it the slow way
		1193	my $map = try_load_header $path->save_path;
		1194
		1195	if ($map) {
		1196	# safety
		1197	$map->{instantiate_time} = $cf::RUNTIME
		1198	if $map->{instantiate_time} > $cf::RUNTIME;
		1199	} else {
		1200	if (my $rmp = $path->random_map_params) {
		1201	$map = generate_random_map $key, $rmp;
		1202	} else {
		1203	$map = try_load_header $path->load_path;
		1204	}
		1205
		1206	$map or return;
		1207
		1208	$map->{load_original} = 1;
		1209	$map->{instantiate_time} = $cf::RUNTIME;
		1210	$map->instantiate;
		1211
		1212	# per-player maps become, after loading, normal maps
		1213	$map->per_player (0) if $path->{user_rel};
		1214	}
		1215	#Coro::Timer::sleep 1;#d#
		1216
		1217	$map->path ($key);
		1218	$map->{path} = $path;
		1219	$map->{last_save} = $cf::RUNTIME;
		1220	$map->last_access ($cf::RUNTIME);
		1221
		1222	if ($map->should_reset) {
		1223	$map->reset;
		1224	$map = find_map $path;
		1225	}
		1226
		1227	$cf::MAP{$key} = $map
		1228	}
		1229	}
		1230
		1231	sub load {
		1232	my ($self) = @_;
		1233
		1234	my $path = $self->{path};
		1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1236
		1237	return if $self->in_memory != cf::MAP_SWAPPED;
		1238
		1239	$self->in_memory (cf::MAP_LOADING);
		1240
		1241	$self->alloc;
		1242	$self->load_objects ($self->{load_path}, 1)
		1243	or return;
		1244
		1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1246	if delete $self->{load_original};
		1247
		1248	if (my $uniq = $path->uniq_path) {
		1249	utf8::encode $uniq;
		1250	if (aio_open $uniq, O_RDONLY, 0) {
		1251	$self->clear_unique_items;
		1252	$self->load_objects ($uniq, 0);
		1253	}
		1254	}
		1255
		1256	# now do the right thing for maps
		1257	$self->link_multipart_objects;
		1258
		1259	if ($self->{path}->is_style_map) {
		1260	$self->{deny_save} = 1;
		1261	$self->{deny_reset} = 1;
		1262	} else {
		1263	$self->fix_auto_apply;
		1264	$self->decay_objects;
		1265	$self->update_buttons;
		1266	$self->set_darkness_map;
		1267	$self->difficulty ($self->estimate_difficulty)
		1268	unless $self->difficulty;
		1269	$self->activate;
		1270	}
		1271
		1272	$self->in_memory (cf::MAP_IN_MEMORY);
		1273	}
		1274
		1275	sub load_map_sync {
		1276	my ($path, $origin) = @_;
		1277
		1278	#warn "load_map_sync<$path, $origin>\n";#d#
		1279
		1280	cf::sync_job {
		1281	my $map = cf::map::find_map $path, $origin
		1282	or return;
		1283	$map->load;
		1284	$map
		1285	}
		1286	}
		1287
		1288	sub save {
		1289	my ($self) = @_;
		1290
		1291	$self->{last_save} = $cf::RUNTIME;
		1292
		1293	return unless $self->dirty;
		1294
		1295	my $save = $self->{path}->save_path; utf8::encode $save;
		1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1297
		1298	$self->{load_path} = $save;
		1299
		1300	return if $self->{deny_save};
		1301
		1302	if ($uniq) {
		1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1304	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1305	} else {
		1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1307	}
		1308	}
		1309
		1310	sub swap_out {
		1311	my ($self) = @_;
		1312
		1313	return if $self->players;
		1314	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1315	return if $self->{deny_save};
		1316
		1317	$self->save;
		1318	$self->clear;
		1319	$self->in_memory (cf::MAP_SWAPPED);
		1320	}
		1321
		1322	sub reset_at {
		1323	my ($self) = @_;
		1324
		1325	# TODO: safety, remove and allow resettable per-player maps
		1326	return 1e99 if $self->{path}{user_rel};
		1327	return 1e99 if $self->{deny_reset};
		1328
		1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1331
		1332	$time + $to
		1333	}
		1334
		1335	sub should_reset {
		1336	my ($self) = @_;
		1337
		1338	$self->reset_at <= $cf::RUNTIME
		1339	}
		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->{path}->save_path);
		1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1347	}
		1348
		1349	sub rename {
		1350	my ($self, $new_path) = @_;
		1351
		1352	$self->unlink_save;
		1353
		1354	delete $cf::MAP{$self->path};
		1355	$self->{path} = new cf::path $new_path;
		1356	$self->path ($self->{path}->as_string);
		1357	$cf::MAP{$self->path} = $self;
		1358
		1359	$self->save;
		1360	}
		1361
		1362	sub reset {
		1363	my ($self) = @_;
		1364
		1365	return if $self->players;
		1366	return if $self->{path}{user_rel};#d#
		1367
		1368	warn "resetting map ", $self->path;#d#
		1369
		1370	delete $cf::MAP{$self->path};
		1371
		1372	$_->clear_links_to ($self) for values %cf::MAP;
		1373
		1374	$self->unlink_save;
		1375	$self->destroy;
		1376	}
		1377
		1378	my $nuke_counter = "aaaa";
		1379
		1380	sub nuke {
		1381	my ($self) = @_;
		1382
		1383	$self->{deny_save} = 1;
		1384	$self->reset_timeout (1);
		1385	$self->rename ("{nuke}/" . ($nuke_counter++));
		1386	$self->reset; # polite request, might not happen
		1387	}
		1388
		1389	sub customise_for {
		1390	my ($map, $ob) = @_;
		1391
		1392	if ($map->per_player) {
		1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1394	}
		1395
		1396	$map
		1397	}
		1398
		1399	sub emergency_save {
		1400	local $cf::FREEZE = 1;
		1401
		1402	warn "enter emergency map save\n";
		1403
		1404	cf::sync_job {
		1405	warn "begin emergency map save\n";
		1406	$_->save for values %cf::MAP;
		1407	};
		1408
		1409	warn "end emergency map save\n";
		1410	}
		1411
		1412	package cf;
		1413
		1414	=back
		1415
		1416
785	=head3 cf::object::player	1417	=head3 cf::object::player
786		1418
787	=over 4	1419	=over 4
788		1420
789	=item $player_object->reply ($npc, $msg[, $flags])	1421	=item $player_object->reply ($npc, $msg[, $flags])
…		…
824	(ref $cf::CFG{"may_$access"}	1456	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1457	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	1458	: $cf::CFG{"may_$access"})
827	}	1459	}
828		1460
		1461	=item $player_object->enter_link
		1462
		1463	Freezes the player and moves him/her to a special map (C<{link}>).
		1464
		1465	The player should be reaosnably safe there for short amounts of time. You
		1466	I<MUST> call C<leave_link> as soon as possible, though.
		1467
		1468	=item $player_object->leave_link ($map, $x, $y)
		1469
		1470	Moves the player out of the specila link map onto the given map. If the
		1471	map is not valid (or omitted), the player will be moved back to the
		1472	location he/she was before the call to C<enter_link>, or, if that fails,
		1473	to the emergency map position.
		1474
		1475	Might block.
		1476
		1477	=cut
		1478
		1479	sub cf::object::player::enter_link {
		1480	my ($self) = @_;
		1481
		1482	$self->deactivate_recursive;
		1483
		1484	return if $self->map == $LINK_MAP;
		1485
		1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1487	if $self->map;
		1488
		1489	$self->enter_map ($LINK_MAP, 20, 20);
		1490	}
		1491
		1492	sub cf::object::player::leave_link {
		1493	my ($self, $map, $x, $y) = @_;
		1494
		1495	my $link_pos = delete $self->{_link_pos};
		1496
		1497	unless ($map) {
		1498	# restore original map position
		1499	($map, $x, $y) = @{ $link_pos || [] };
		1500	$map = cf::map::find_map $map;
		1501
		1502	unless ($map) {
		1503	($map, $x, $y) = @$EMERGENCY_POSITION;
		1504	$map = cf::map::find_map $map
		1505	or die "FATAL: cannot load emergency map\n";
		1506	}
		1507	}
		1508
		1509	($x, $y) = (-1, -1)
		1510	unless (defined $x) && (defined $y);
		1511
		1512	# use -1 or undef as default coordinates, not 0, 0
		1513	($x, $y) = ($map->enter_x, $map->enter_y)
		1514	if $x <=0 && $y <= 0;
		1515
		1516	$map->load;
		1517
		1518	$self->activate_recursive;
		1519	$self->enter_map ($map, $x, $y);
		1520	}
		1521
		1522	cf::player->attach (
		1523	on_logout => sub {
		1524	my ($pl) = @_;
		1525
		1526	# abort map switching before logout
		1527	if ($pl->ob->{_link_pos}) {
		1528	cf::sync_job {
		1529	$pl->ob->leave_link
		1530	};
		1531	}
		1532	},
		1533	on_login => sub {
		1534	my ($pl) = @_;
		1535
		1536	# try to abort aborted map switching on player login :)
		1537	# should happen only on crashes
		1538	if ($pl->ob->{_link_pos}) {
		1539	$pl->ob->enter_link;
		1540	Coro::async {
		1541	# we need this sleep as the login has a concurrent enter_exit running
		1542	# and this sleep increases chances of the player not ending up in scorn
		1543	Coro::Timer::sleep 1;
		1544	$pl->ob->leave_link;
		1545	};
		1546	}
		1547	},
		1548	);
		1549
		1550	=item $player_object->goto_map ($path, $x, $y)
		1551
		1552	=cut
		1553
		1554	sub cf::object::player::goto_map {
		1555	my ($self, $path, $x, $y) = @_;
		1556
		1557	$self->enter_link;
		1558
		1559	(Coro::async {
		1560	$path = new cf::path $path;
		1561
		1562	my $map = cf::map::find_map $path->as_string;
		1563	$map = $map->customise_for ($self) if $map;
		1564
		1565	# warn "entering ", $map->path, " at ($x, $y)\n"
		1566	# if $map;
		1567
		1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1569
		1570	$self->leave_link ($map, $x, $y);
		1571	})->prio (1);
		1572	}
		1573
		1574	=item $player_object->enter_exit ($exit_object)
		1575
		1576	=cut
		1577
		1578	sub parse_random_map_params {
		1579	my ($spec) = @_;
		1580
		1581	my $rmp = { # defaults
		1582	xsize => 10,
		1583	ysize => 10,
		1584	};
		1585
		1586	for (split /\n/, $spec) {
		1587	my ($k, $v) = split /\s+/, $_, 2;
		1588
		1589	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1590	}
		1591
		1592	$rmp
		1593	}
		1594
		1595	sub prepare_random_map {
		1596	my ($exit) = @_;
		1597
		1598	# all this does is basically replace the /! path by
		1599	# a new random map path (?random/...) with a seed
		1600	# that depends on the exit object
		1601
		1602	my $rmp = parse_random_map_params $exit->msg;
		1603
		1604	if ($exit->map) {
		1605	$rmp->{region} = $exit->map->region_name;
		1606	$rmp->{origin_map} = $exit->map->path;
		1607	$rmp->{origin_x} = $exit->x;
		1608	$rmp->{origin_y} = $exit->y;
		1609	}
		1610
		1611	$rmp->{random_seed} ||= $exit->random_seed;
		1612
		1613	my $data = cf::to_json $rmp;
		1614	my $md5 = Digest::MD5::md5_hex $data;
		1615
		1616	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1617	aio_write $fh, 0, (length $data), $data, 0;
		1618
		1619	$exit->slaying ("?random/$md5");
		1620	$exit->msg (undef);
		1621	}
		1622	}
		1623
		1624	sub cf::object::player::enter_exit {
		1625	my ($self, $exit) = @_;
		1626
		1627	return unless $self->type == cf::PLAYER;
		1628
		1629	$self->enter_link;
		1630
		1631	(Coro::async {
		1632	unless (eval {
		1633
		1634	prepare_random_map $exit
		1635	if $exit->slaying eq "/!";
		1636
		1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1639
		1640	1;
		1641	}) {
		1642	$self->message ("Something went wrong deep within the crossfire server. "
		1643	. "I'll try to bring you back to the map you were before. "
		1644	. "Please report this to the dungeon master",
		1645	cf::NDI_UNIQUE | cf::NDI_RED);
		1646
		1647	warn "ERROR in enter_exit: $@";
		1648	$self->leave_link;
		1649	}
		1650	})->prio (1);
		1651	}
		1652
829	=head3 cf::client	1653	=head3 cf::client
830		1654
831	=over 4	1655	=over 4
832		1656
833	=item $client->send_drawinfo ($text, $flags)	1657	=item $client->send_drawinfo ($text, $flags)
…		…
886		1710
887	if (@{ $ns->{query_queue} } == @$queue) {	1711	if (@{ $ns->{query_queue} } == @$queue) {
888	if (@$queue) {	1712	if (@$queue) {
889	$ns->send_packet ($ns->{query_queue}[0][0]);	1713	$ns->send_packet ($ns->{query_queue}[0][0]);
890	} else {	1714	} else {
891	$ns->state (ST_PLAYING);	1715	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
892	}	1716	}
893	}	1717	}
894	},	1718	},
895	);	1719	);
896		1720
…		…
908	my $coro; $coro = async {	1732	my $coro; $coro = async {
909	eval {	1733	eval {
910	$cb->();	1734	$cb->();
911	};	1735	};
912	warn $@ if $@;	1736	warn $@ if $@;
913	warn "cancel myself\n";#d#	1737	};
		1738
		1739	$coro->on_destroy (sub {
914	delete $self->{_coro}{$coro+0};	1740	delete $self->{_coro}{$coro+0};
915	};	1741	});
916		1742
917	$self->{_coro}{$coro+0} = $coro;	1743	$self->{_coro}{$coro+0} = $coro;
		1744
		1745	$coro
918	}	1746	}
919		1747
920	cf::client->attach (	1748	cf::client->attach (
921	on_destroy => sub {	1749	on_destroy => sub {
922	my ($ns) = @_;	1750	my ($ns) = @_;
923		1751
924	warn "cancel $_" for values %{ $ns->{_coro} || {} };#d#
925	$_->cancel for values %{ $ns->{_coro} || {} };	1752	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
926	},	1753	},
927	);	1754	);
928		1755
929	=back	1756	=back
930		1757
…		…
1155	local $/;	1982	local $/;
1156	*CFG = YAML::Syck::Load <$fh>;	1983	*CFG = YAML::Syck::Load <$fh>;
1157	}	1984	}
1158		1985
1159	sub main {	1986	sub main {
		1987	# we must not ever block the main coroutine
		1988	local $Coro::idle = sub {
		1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		1990	(Coro::unblock_sub {
		1991	Event::one_event;
		1992	})->();
		1993	};
		1994
1160	cfg_load;	1995	cfg_load;
1161	db_load;	1996	db_load;
1162	load_extensions;	1997	load_extensions;
1163	Event::loop;	1998	Event::loop;
1164	}	1999	}
1165		2000
1166	#############################################################################	2001	#############################################################################
1167	# initialisation	2002	# initialisation
1168		2003
1169	sub _perl_reload(&) {	2004	sub reload() {
1170	my ($msg) = @_;	2005	# can/must only be called in main
		2006	if ($Coro::current != $Coro::main) {
		2007	warn "can only reload from main coroutine\n";
		2008	return;
		2009	}
1171		2010
1172	$msg->("reloading...");	2011	warn "reloading...";
		2012
		2013	local $FREEZE = 1;
		2014	cf::emergency_save;
1173		2015
1174	eval {	2016	eval {
		2017	# if anything goes wrong in here, we should simply crash as we already saved
		2018
1175	# cancel all watchers	2019	# cancel all watchers
1176	for (Event::all_watchers) {	2020	for (Event::all_watchers) {
1177	$_->cancel if $_->data & WF_AUTOCANCEL;	2021	$_->cancel if $_->data & WF_AUTOCANCEL;
1178	}	2022	}
1179		2023
		2024	# cancel all extension coros
		2025	$_->cancel for values %EXT_CORO;
		2026	%EXT_CORO = ();
		2027
1180	# unload all extensions	2028	# unload all extensions
1181	for (@exts) {	2029	for (@exts) {
1182	$msg->("unloading <$_>");	2030	warn "unloading <$_>";
1183	unload_extension $_;	2031	unload_extension $_;
1184	}	2032	}
1185		2033
1186	# unload all modules loaded from $LIBDIR	2034	# unload all modules loaded from $LIBDIR
1187	while (my ($k, $v) = each %INC) {	2035	while (my ($k, $v) = each %INC) {
1188	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1189		2037
1190	$msg->("removing <$k>");	2038	warn "removing <$k>";
1191	delete $INC{$k};	2039	delete $INC{$k};
1192		2040
1193	$k =~ s/\.pm$//;	2041	$k =~ s/\.pm$//;
1194	$k =~ s/\//::/g;	2042	$k =~ s/\//::/g;
1195		2043
…		…
1200	Symbol::delete_package $k;	2048	Symbol::delete_package $k;
1201	}	2049	}
1202		2050
1203	# sync database to disk	2051	# sync database to disk
1204	cf::db_sync;	2052	cf::db_sync;
		2053	IO::AIO::flush;
1205		2054
1206	# get rid of safe::, as good as possible	2055	# get rid of safe::, as good as possible
1207	Symbol::delete_package "safe::$_"	2056	Symbol::delete_package "safe::$_"
1208	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1209		2058
1210	# remove register_script_function callbacks	2059	# remove register_script_function callbacks
1211	# TODO	2060	# TODO
1212		2061
1213	# unload cf.pm "a bit"	2062	# unload cf.pm "a bit"
…		…
1216	# don't, removes xs symbols, too,	2065	# don't, removes xs symbols, too,
1217	# and global variables created in xs	2066	# and global variables created in xs
1218	#Symbol::delete_package __PACKAGE__;	2067	#Symbol::delete_package __PACKAGE__;
1219		2068
1220	# reload cf.pm	2069	# reload cf.pm
1221	$msg->("reloading cf.pm");	2070	warn "reloading cf.pm";
1222	require cf;	2071	require cf;
		2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1223		2073
1224	# load config and database again	2074	# load config and database again
1225	cf::cfg_load;	2075	cf::cfg_load;
1226	cf::db_load;	2076	cf::db_load;
1227		2077
1228	# load extensions	2078	# load extensions
1229	$msg->("load extensions");	2079	warn "load extensions";
1230	cf::load_extensions;	2080	cf::load_extensions;
1231		2081
1232	# reattach attachments to objects	2082	# reattach attachments to objects
1233	$msg->("reattach");	2083	warn "reattach";
1234	_global_reattach;	2084	_global_reattach;
1235	};	2085	};
1236	$msg->($@) if $@;
1237		2086
1238	$msg->("reloaded");	2087	if ($@) {
		2088	warn $@;
		2089	warn "error while reloading, exiting.";
		2090	exit 1;
		2091	}
		2092
		2093	warn "reloaded successfully";
1239	};	2094	};
1240		2095
1241	sub perl_reload() {	2096	#############################################################################
1242	_perl_reload {	2097
1243	warn $_[0];	2098	unless ($LINK_MAP) {
1244	print "$_[0]\n";	2099	$LINK_MAP = cf::map::new;
1245	};	2100
		2101	$LINK_MAP->width (41);
		2102	$LINK_MAP->height (41);
		2103	$LINK_MAP->alloc;
		2104	$LINK_MAP->path ("{link}");
		2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2107
		2108	# dirty hack because... archetypes are not yet loaded
		2109	Event->timer (
		2110	after => 2,
		2111	cb => sub {
		2112	$_[0]->w->cancel;
		2113
		2114	# provide some exits "home"
		2115	my $exit = cf::object::new "exit";
		2116
		2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2120
		2121	$LINK_MAP->insert ($exit->clone, 19, 19);
		2122	$LINK_MAP->insert ($exit->clone, 19, 20);
		2123	$LINK_MAP->insert ($exit->clone, 19, 21);
		2124	$LINK_MAP->insert ($exit->clone, 20, 19);
		2125	$LINK_MAP->insert ($exit->clone, 20, 21);
		2126	$LINK_MAP->insert ($exit->clone, 21, 19);
		2127	$LINK_MAP->insert ($exit->clone, 21, 20);
		2128	$LINK_MAP->insert ($exit->clone, 21, 21);
		2129
		2130	$exit->destroy;
		2131	});
		2132
		2133	$LINK_MAP->{deny_save} = 1;
		2134	$LINK_MAP->{deny_reset} = 1;
		2135
		2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1246	}	2137	}
1247		2138
1248	register "<global>", __PACKAGE__;	2139	register "<global>", __PACKAGE__;
1249		2140
1250	register_command "perl-reload" => sub {	2141	register_command "reload" => sub {
1251	my ($who, $arg) = @_;	2142	my ($who, $arg) = @_;
1252		2143
1253	if ($who->flag (FLAG_WIZ)) {	2144	if ($who->flag (FLAG_WIZ)) {
1254	_perl_reload {	2145	$who->message ("start of reload.");
1255	warn $_[0];	2146	reload;
1256	$who->message ($_[0]);	2147	$who->message ("end of reload.");
1257	};
1258	}	2148	}
1259	};	2149	};
1260		2150
1261	unshift @INC, $LIBDIR;	2151	unshift @INC, $LIBDIR;
1262		2152
1263	$TICK_WATCHER = Event->timer (	2153	$TICK_WATCHER = Event->timer (
		2154	reentrant => 0,
1264	prio => 0,	2155	prio => 0,
1265	at => $NEXT_TICK || 1,	2156	at => $NEXT_TICK || $TICK,
1266	data => WF_AUTOCANCEL,	2157	data => WF_AUTOCANCEL,
1267	cb => sub {	2158	cb => sub {
		2159	unless ($FREEZE) {
1268	cf::server_tick; # one server iteration	2160	cf::server_tick; # one server iteration
		2161	$RUNTIME += $TICK;
		2162	}
1269		2163
1270	my $NOW = Event::time;
1271	$NEXT_TICK += $TICK;	2164	$NEXT_TICK += $TICK;
1272		2165
1273	# if we are delayed by four ticks or more, skip them all	2166	# if we are delayed by four ticks or more, skip them all
1274	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1275		2168
1276	$TICK_WATCHER->at ($NEXT_TICK);	2169	$TICK_WATCHER->at ($NEXT_TICK);
1277	$TICK_WATCHER->start;	2170	$TICK_WATCHER->start;
1278	},	2171	},
1279	);	2172	);
1280		2173
1281	IO::AIO::max_poll_time $TICK * 0.2;	2174	IO::AIO::max_poll_time $TICK * 0.2;
1282		2175
		2176	Event->io (
1283	Event->io (fd => IO::AIO::poll_fileno,	2177	fd => IO::AIO::poll_fileno,
1284	poll => 'r',	2178	poll => 'r',
1285	prio => 5,	2179	prio => 5,
1286	data => WF_AUTOCANCEL,	2180	data => WF_AUTOCANCEL,
1287	cb => \&IO::AIO::poll_cb);	2181	cb => \&IO::AIO::poll_cb,
		2182	);
		2183
		2184	Event->timer (
		2185	data => WF_AUTOCANCEL,
		2186	after => 0,
		2187	interval => 10,
		2188	cb => sub {
		2189	(Coro::unblock_sub {
		2190	write_runtime
		2191	or warn "ERROR: unable to write runtime file: $!";
		2192	})->();
		2193	},
		2194	);
1288		2195
1289	1	2196	1
1290		2197

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