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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.98 by root, Fri Dec 22 16:34:00 2006 UTC vs.
Revision 1.178 by root, Thu Jan 18 00:06:55 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro;	13	use Coro 3.4 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18
19	use IO::AIO;	18	use Coro::AIO;
		19
		20	use Data::Dumper;
		21	use Digest::MD5;
		22	use Fcntl;
		23	use IO::AIO 2.32 ();
20	use YAML::Syck ();	24	use YAML::Syck ();
21	use Time::HiRes;	25	use Time::HiRes;
22		26
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
24		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
27		33
28	$Coro::main->prio (Coro::PRIO_MIN);	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		35
32	our %COMMAND = ();	36	our %COMMAND = ();
33	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
34	our %EXTCMD = ();	40	our %EXTCMD = ();
35		41	our %EXT_CORO = (); # coroutines bound to extensions
36	_init_vars;	42	our %EXT_MAP = (); # pluggable maps
37		43
38	our @EVENT;	44	our @EVENT;
39	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
40		46
41	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
42	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
43	our $NEXT_TICK;	51	our $NEXT_TICK;
		52	our $NOW;
44		53
45	our %CFG;	54	our %CFG;
46		55
47	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
		57	our $RUNTIME;
		58
		59	our %PLAYER; # all users
		60	our %MAP; # all maps
		61	our $LINK_MAP; # the special {link} map, which is always available
		62	our $RANDOM_MAPS = cf::localdir . "/random";
		63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		69
		70	binmode STDOUT;
		71	binmode STDERR;
		72
		73	# read virtual server time, if available
		74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		75	open my $fh, "<", cf::localdir . "/runtime"
		76	or die "unable to read runtime file: $!";
		77	$RUNTIME = <$fh> + 0.;
		78	}
		79
		80	mkdir cf::localdir;
		81	mkdir cf::localdir . "/" . cf::playerdir;
		82	mkdir cf::localdir . "/" . cf::tmpdir;
		83	mkdir cf::localdir . "/" . cf::uniquedir;
		84	mkdir $RANDOM_MAPS;
		85
		86	our $EMERGENCY_POSITION;
48		87
49	#############################################################################	88	#############################################################################
50		89
51	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
52		91
53	=over 4	92	=over 4
54		93
55	=item $cf::UPTIME	94	=item $cf::UPTIME
56		95
57	The timestamp of the server start (so not actually an uptime).	96	The timestamp of the server start (so not actually an uptime).
		97
		98	=item $cf::RUNTIME
		99
		100	The time this server has run, starts at 0 and is increased by $cf::TICK on
		101	every server tick.
58		102
59	=item $cf::LIBDIR	103	=item $cf::LIBDIR
60		104
61	The perl library directory, where extensions and cf-specific modules can	105	The perl library directory, where extensions and cf-specific modules can
62	be found. It will be added to C<@INC> automatically.	106	be found. It will be added to C<@INC> automatically.
63		107
		108	=item $cf::NOW
		109
		110	The time of the last (current) server tick.
		111
64	=item $cf::TICK	112	=item $cf::TICK
65		113
66	The interval between server ticks, in seconds.	114	The interval between server ticks, in seconds.
67		115
68	=item %cf::CFG	116	=item %cf::CFG
69		117
70	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
71	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
72		127
73	=back	128	=back
74		129
75	=cut	130	=cut
76		131
77	BEGIN {	132	BEGIN {
78	*CORE::GLOBAL::warn = sub {	133	*CORE::GLOBAL::warn = sub {
79	my $msg = join "", @_;	134	my $msg = join "", @_;
		135	utf8::encode $msg;
		136
80	$msg .= "\n"	137	$msg .= "\n"
81	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
82		139
83	print STDERR "cfperl: $msg";
84	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
85	};	141	};
86	}	142	}
87		143
88	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
89	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
93	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
94		150
95	# we bless all objects into (empty) derived classes to force a method lookup	151	# we bless all objects into (empty) derived classes to force a method lookup
96	# within the Safe compartment.	152	# within the Safe compartment.
97	for my $pkg (qw(	153	for my $pkg (qw(
98	cf::global	154	cf::global cf::attachable
99	cf::object cf::object::player	155	cf::object cf::object::player
100	cf::client cf::player	156	cf::client cf::player
101	cf::arch cf::living	157	cf::arch cf::living
102	cf::map cf::party cf::region	158	cf::map cf::party cf::region
103	)) {	159	)) {
…		…
107		163
108	$Event::DIED = sub {	164	$Event::DIED = sub {
109	warn "error in event callback: @_";	165	warn "error in event callback: @_";
110	};	166	};
111		167
112	my %ext_pkg;
113	my @exts;
114	my @hook;
115
116	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
117		169
118	=over 4	170	=over 4
119		171
		172	=item dumpval $ref
		173
120	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
121		194
122	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
123		196
124	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
125		198
…		…
139	=cut	212	=cut
140		213
141	sub to_json($) {	214	sub to_json($) {
142	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
143	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
		217	}
		218
		219	=item cf::lock_wait $string
		220
		221	Wait until the given lock is available. See cf::lock_acquire.
		222
		223	=item my $lock = cf::lock_acquire $string
		224
		225	Wait until the given lock is available and then acquires it and returns
		226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		227	for example when the coroutine gets canceled), the lock is automatically
		228	returned.
		229
		230	Lock names should begin with a unique identifier (for example, cf::map::find
		231	uses map_find and cf::map::load uses map_load).
		232
		233	=cut
		234
		235	our %LOCK;
		236
		237	sub lock_wait($) {
		238	my ($key) = @_;
		239
		240	# wait for lock, if any
		241	while ($LOCK{$key}) {
		242	push @{ $LOCK{$key} }, $Coro::current;
		243	Coro::schedule;
		244	}
		245	}
		246
		247	sub lock_acquire($) {
		248	my ($key) = @_;
		249
		250	# wait, to be sure we are not locked
		251	lock_wait $key;
		252
		253	$LOCK{$key} = [];
		254
		255	Coro::guard {
		256	# wake up all waiters, to be on the safe side
		257	$_->ready for @{ delete $LOCK{$key} };
		258	}
		259	}
		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
		282
		283	=item cf::sync_job { BLOCK }
		284
		285	The design of crossfire+ requires that the main coro ($Coro::main) is
		286	always able to handle events or runnable, as crossfire+ is only partly
		287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		288
		289	If it must be done, put the blocking parts into C<sync_job>. This will run
		290	the given BLOCK in another coroutine while waiting for the result. The
		291	server will be frozen during this time, so the block should either finish
		292	fast or be very important.
		293
		294	=cut
		295
		296	sub sync_job(&) {
		297	my ($job) = @_;
		298
		299	if ($Coro::current == $Coro::main) {
		300	# this is the main coro, too bad, we have to block
		301	# till the operation succeeds, freezing the server :/
		302
		303	# TODO: use suspend/resume instead
		304	# (but this is cancel-safe)
		305	my $freeze_guard = freeze_mainloop;
		306
		307	my $busy = 1;
		308	my @res;
		309
		310	(async {
		311	@res = eval { $job->() };
		312	warn $@ if $@;
		313	undef $busy;
		314	})->prio (Coro::PRIO_MAX);
		315
		316	while ($busy) {
		317	Coro::cede or Event::one_event;
		318	}
		319
		320	wantarray ? @res : $res[0]
		321	} else {
		322	# we are in another coroutine, how wonderful, everything just works
		323
		324	$job->()
		325	}
		326	}
		327
		328	=item $coro = cf::async_ext { BLOCK }
		329
		330	Like async, but this coro is automatically being canceled when the
		331	extension calling this is being unloaded.
		332
		333	=cut
		334
		335	sub async_ext(&) {
		336	my $cb = shift;
		337
		338	my $coro = &Coro::async ($cb);
		339
		340	$coro->on_destroy (sub {
		341	delete $EXT_CORO{$coro+0};
		342	});
		343	$EXT_CORO{$coro+0} = $coro;
		344
		345	$coro
		346	}
		347
		348	sub write_runtime {
		349	my $runtime = cf::localdir . "/runtime";
		350
		351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		352	or return;
		353
		354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		356	and return;
		357
		358	aio_fsync $fh
		359	and return;
		360
		361	close $fh
		362	or return;
		363
		364	aio_rename "$runtime~", $runtime
		365	and return;
		366
		367	1
144	}	368	}
145		369
146	=back	370	=back
147		371
148	=cut	372	=cut
…		…
269	exception.	493	exception.
270		494
271	=cut	495	=cut
272		496
273	# the following variables are defined in .xs and must not be re-created	497	# the following variables are defined in .xs and must not be re-created
274	our @CB_GLOBAL = (); # registry for all global events	498	our @CB_GLOBAL = (); # registry for all global events
		499	our @CB_ATTACHABLE = (); # registry for all attachables
275	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	500	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
276	our @CB_PLAYER = ();	501	our @CB_PLAYER = ();
277	our @CB_CLIENT = ();	502	our @CB_CLIENT = ();
278	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
279	our @CB_MAP = ();	504	our @CB_MAP = ();
280		505
281	my %attachment;	506	my %attachment;
		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
282		513
283	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
284	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
285		516
286	use sort 'stable';	517	use sort 'stable';
…		…
289		520
290	@{$registry->[$event]} = sort	521	@{$registry->[$event]} = sort
291	{ $a->[0] cmp $b->[0] }	522	{ $a->[0] cmp $b->[0] }
292	@{$registry->[$event] || []}, $cb;	523	@{$registry->[$event] || []}, $cb;
293	}	524	}
		525
		526	# hack
		527	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
294		528
295	# attach handles attaching event callbacks	529	# attach handles attaching event callbacks
296	# the only thing the caller has to do is pass the correct	530	# the only thing the caller has to do is pass the correct
297	# registry (== where the callback attaches to).	531	# registry (== where the callback attaches to).
298	sub _attach {	532	sub _attach {
…		…
300		534
301	my $object_type;	535	my $object_type;
302	my $prio = 0;	536	my $prio = 0;
303	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	537	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
304		538
		539	#TODO: get rid of this hack
		540	if ($attachable_klass{$klass}) {
		541	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		542	}
		543
305	while (@arg) {	544	while (@arg) {
306	my $type = shift @arg;	545	my $type = shift @arg;
307		546
308	if ($type eq "prio") {	547	if ($type eq "prio") {
309	$prio = shift @arg;	548	$prio = shift @arg;
…		…
384	my ($obj, $name) = @_;	623	my ($obj, $name) = @_;
385		624
386	exists $obj->{_attachment}{$name}	625	exists $obj->{_attachment}{$name}
387	}	626	}
388		627
389	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	628	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
390	eval "#line " . __LINE__ . " 'cf.pm'	629	eval "#line " . __LINE__ . " 'cf.pm'
391	sub cf::\L$klass\E::_attach_registry {	630	sub cf::\L$klass\E::_attach_registry {
392	(\\\@CB_$klass, KLASS_$klass)	631	(\\\@CB_$klass, KLASS_$klass)
393	}	632	}
394		633
…		…
447	=cut	686	=cut
448		687
449	#############################################################################	688	#############################################################################
450	# object support	689	# object support
451		690
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 {	691	sub reattach {
		692	# basically do the same as instantiate, without calling instantiate
466	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
		696
467	my $registry = $obj->registry;	697	my $registry = $obj->registry;
468		698
469	@$registry = ();	699	@$registry = ();
470		700
471	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	701	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
…		…
480	warn "object uses attachment '$name' that is not available, postponing.\n";	710	warn "object uses attachment '$name' that is not available, postponing.\n";
481	}	711	}
482	}	712	}
483	}	713	}
484		714
485	sub object_freezer_save {	715	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	$$rdata . Dumper $objs
522	}
523
524	sub object_thawer_load {
525	my ($filename) = @_;
526
527	local $/;
528
529	my $av;
530
531	#TODO: use sysread etc.
532	if (open my $data, "<:raw:perlio", $filename) {
533	$data = <$data>;
534	if (open my $pst, "<:raw:perlio", "$filename.pst") {
535	$av = eval { (Storable::thaw <$pst>)->{objs} };
536	}
537	return ($data, $av);
538	}
539
540	()
541	}
542
543	cf::object->attach (
544	prio => -1000000,	716	prio => -1000000,
		717	on_instantiate => sub {
		718	my ($obj, $data) = @_;
		719
		720	$data = from_json $data;
		721
		722	for (@$data) {
		723	my ($name, $args) = @$_;
		724
		725	$obj->attach ($name, %{$args || {} });
		726	}
		727	},
		728	on_reattach => \&reattach,
545	on_clone => sub {	729	on_clone => sub {
546	my ($src, $dst) = @_;	730	my ($src, $dst) = @_;
547		731
548	@{$dst->registry} = @{$src->registry};	732	@{$dst->registry} = @{$src->registry};
549		733
…		…
552	%{$dst->{_attachment}} = %{$src->{_attachment}}	736	%{$dst->{_attachment}} = %{$src->{_attachment}}
553	if exists $src->{_attachment};	737	if exists $src->{_attachment};
554	},	738	},
555	);	739	);
556		740
		741	sub object_freezer_save {
		742	my ($filename, $rdata, $objs) = @_;
		743
		744	sync_job {
		745	if (length $$rdata) {
		746	warn sprintf "saving %s (%d,%d)\n",
		747	$filename, length $$rdata, scalar @$objs;
		748
		749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		750	chmod SAVE_MODE, $fh;
		751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		752	aio_fsync $fh;
		753	close $fh;
		754
		755	if (@$objs) {
		756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		757	chmod SAVE_MODE, $fh;
		758	my $data = Storable::nfreeze { version => 1, objs => $objs };
		759	aio_write $fh, 0, (length $data), $data, 0;
		760	aio_fsync $fh;
		761	close $fh;
		762	aio_rename "$filename.pst~", "$filename.pst";
		763	}
		764	} else {
		765	aio_unlink "$filename.pst";
		766	}
		767
		768	aio_rename "$filename~", $filename;
		769	} else {
		770	warn "FATAL: $filename~: $!\n";
		771	}
		772	} else {
		773	aio_unlink $filename;
		774	aio_unlink "$filename.pst";
		775	}
		776	}
		777	}
		778
		779	sub object_freezer_as_string {
		780	my ($rdata, $objs) = @_;
		781
		782	use Data::Dumper;
		783
		784	$$rdata . Dumper $objs
		785	}
		786
		787	sub object_thawer_load {
		788	my ($filename) = @_;
		789
		790	my ($data, $av);
		791
		792	(aio_load $filename, $data) >= 0
		793	or return;
		794
		795	unless (aio_stat "$filename.pst") {
		796	(aio_load "$filename.pst", $av) >= 0
		797	or return;
		798	$av = eval { (Storable::thaw $av)->{objs} };
		799	}
		800
		801	warn sprintf "loading %s (%d)\n",
		802	$filename, length $data, scalar @{$av || []};#d#
		803	return ($data, $av);
		804	}
		805
557	#############################################################################	806	#############################################################################
558	# command handling &c	807	# command handling &c
559		808
560	=item cf::register_command $name => \&callback($ob,$args);	809	=item cf::register_command $name => \&callback($ob,$args);
561		810
…		…
583	=cut	832	=cut
584		833
585	sub register_extcmd {	834	sub register_extcmd {
586	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
587		836
588	my $caller = caller;
589	#warn "registering extcmd '$name' to '$caller'";
590
591	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
592	}	838	}
593		839
594	cf::player->attach (	840	cf::player->attach (
595	on_command => sub {	841	on_command => sub {
596	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
609		855
610	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
611		857
612	if (ref $msg) {	858	if (ref $msg) {
613	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
614	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
615	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
616	}	862	}
617	}	863	}
618	} else {	864	} else {
619	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
621		867
622	cf::override;	868	cf::override;
623	},	869	},
624	);	870	);
625		871
626	sub register {
627	my ($base, $pkg) = @_;
628
629	#TODO
630	}
631
632	sub load_extension {	872	sub load_extension {
633	my ($path) = @_;	873	my ($path) = @_;
634		874
635	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
636	my $base = $1;	876	my $base = $1;
637	my $pkg = $1;	877	my $pkg = $1;
638	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
639	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
640		880
641	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
642		882
643	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
644	or die "$path: $!";	884	or die "$path: $!";
645		885
646	my $source =	886	my $source =
647	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
648	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
649	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
650	. "\n};\n1";	890	. "\n};\n1";
651		891
652	eval $source	892	unless (eval $source) {
653	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
654	: "extension disabled.\n";	894	: "extension disabled.\n";
655		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
656	push @exts, $pkg;	896	warn $@;
657	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
658		898	exit 1;
659	# no strict 'refs';	899	}
660	# @{"$pkg\::ISA"} = ext::;	900	die $@;
661
662	register $base, $pkg;
663	}
664
665	sub unload_extension {
666	my ($pkg) = @_;
667
668	warn "removing extension $pkg\n";
669
670	# remove hooks
671	#TODO
672	# for my $idx (0 .. $#PLUGIN_EVENT) {
673	# delete $hook[$idx]{$pkg};
674	# }	901	}
675		902
676	# remove commands	903	push @EXTS, $pkg;
677	for my $name (keys %COMMAND) {
678	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
679
680	if (@cb) {
681	$COMMAND{$name} = \@cb;
682	} else {
683	delete $COMMAND{$name};
684	}
685	}
686
687	# remove extcmds
688	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
689	delete $EXTCMD{$name};
690	}
691
692	if (my $cb = $pkg->can ("unload")) {
693	eval {
694	$cb->($pkg);
695	1
696	} or warn "$pkg unloaded, but with errors: $@";
697	}
698
699	Symbol::delete_package $pkg;
700	}	904	}
701		905
702	sub load_extensions {	906	sub load_extensions {
703	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
704	next unless -r $ext;	908	next unless -r $ext;
…		…
708	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
709	}	913	}
710	}	914	}
711		915
712	#############################################################################	916	#############################################################################
713	# load/save/clean perl data associated with a map
714		917
715	*cf::mapsupport::on_clean = sub {	918	=head2 CORE EXTENSIONS
		919
		920	Functions and methods that extend core crossfire objects.
		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
		928	=head3 cf::player
		929
		930	=over 4
		931
		932	=item cf::player::find $login
		933
		934	Returns the given player object, loading it if necessary (might block).
		935
		936	=cut
		937
		938	sub playerdir($) {
		939	cf::localdir
		940	. "/"
		941	. cf::playerdir
		942	. "/"
		943	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		944	}
		945
		946	sub path($) {
		947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		948
		949	(playerdir $login) . "/$login.pl"
		950	}
		951
		952	sub find_active($) {
		953	$cf::PLAYER{$_[0]}
		954	and $cf::PLAYER{$_[0]}->active
		955	and $cf::PLAYER{$_[0]}
		956	}
		957
		958	sub exists($) {
		959	my ($login) = @_;
		960
		961	$cf::PLAYER{$login}
		962	or cf::sync_job { !aio_stat $login }
		963	}
		964
		965	sub find($) {
		966	return $cf::PLAYER{$_[0]} || do {
		967	my $login = $_[0];
		968
		969	my $guard = cf::lock_acquire "user_find:$login";
		970
		971	$cf::PLAYER{$_[0]} || do {
		972	my $pl = load_pl path $login
		973	or return;
		974	$cf::PLAYER{$login} = $pl
		975	}
		976	}
		977	}
		978
		979	sub save($) {
		980	my ($pl) = @_;
		981
		982	return if $pl->{deny_save};
		983
		984	my $path = path $pl;
		985	my $guard = cf::lock_acquire "user_save:$path";
		986
		987	return if $pl->{deny_save};
		988
		989	aio_mkdir playerdir $pl, 0770;
		990	$pl->{last_save} = $cf::RUNTIME;
		991
		992	$pl->save_pl ($path);
		993	Coro::cede;
		994	}
		995
		996	sub new($) {
		997	my ($login) = @_;
		998
		999	my $self = create;
		1000
		1001	$self->ob->name ($login);
		1002	$self->{deny_save} = 1;
		1003
		1004	$cf::PLAYER{$login} = $self;
		1005
		1006	$self
		1007	}
		1008
		1009	=item $pl->quit_character
		1010
		1011	Nukes the player without looking back. If logged in, the connection will
		1012	be destroyed. May block for a long time.
		1013
		1014	=cut
		1015
		1016	sub quit_character {
		1017	my ($pl) = @_;
		1018
		1019	$pl->{deny_save} = 1;
		1020	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1021
		1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1023	$pl->deactivate;
		1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1025	$pl->ns->destroy if $pl->ns;
		1026
		1027	my $path = playerdir $pl;
		1028	my $temp = "$path~$cf::RUNTIME~deleting~";
		1029	aio_rename $path, $temp;
		1030	delete $cf::PLAYER{$pl->ob->name};
		1031	$pl->destroy;
		1032	IO::AIO::aio_rmtree $temp;
		1033	}
		1034
		1035	=item cf::player::list_logins
		1036
		1037	Returns am arrayref of all valid playernames in the system, can take a
		1038	while and may block, so not sync_job-capable, ever.
		1039
		1040	=cut
		1041
		1042	sub list_logins {
		1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1044	or return [];
		1045
		1046	my @logins;
		1047
		1048	for my $login (@$dirs) {
		1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1050	aio_read $fh, 0, 512, my $buf, 0 or next;
		1051	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1052
		1053	utf8::decode $login;
		1054	push @logins, $login;
		1055	}
		1056
		1057	\@logins
		1058	}
		1059
		1060	=item $player->maps
		1061
		1062	Returns an arrayref of map paths that are private for this
		1063	player. May block.
		1064
		1065	=cut
		1066
		1067	sub maps($) {
		1068	my ($pl) = @_;
		1069
		1070	my $files = aio_readdir playerdir $pl
		1071	or return;
		1072
		1073	my @paths;
		1074
		1075	for (@$files) {
		1076	utf8::decode $_;
		1077	next if /\.(?:pl|pst)$/;
		1078	next unless /^$PATH_SEP/o;
		1079
		1080	s/\.map$//;
		1081	push @paths, "~" . $pl->ob->name . "/" . $_;
		1082	}
		1083
		1084	\@paths
		1085	}
		1086
		1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1088
		1089	Sends an ext reply to the player.
		1090
		1091	=cut
		1092
		1093	sub ext_reply($$$%) {
		1094	my ($self, $id, %msg) = @_;
		1095
		1096	$msg{msgid} = $id;
		1097
		1098	$self->send ("ext " . cf::to_json \%msg);
		1099	}
		1100
		1101	package cf;
		1102
		1103	=back
		1104
		1105
		1106	=head3 cf::map
		1107
		1108	=over 4
		1109
		1110	=cut
		1111
		1112	package cf::map;
		1113
		1114	use Fcntl;
		1115	use Coro::AIO;
		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
		1121	our $MAX_RESET = 3600;
		1122	our $DEFAULT_RESET = 3000;
		1123
		1124	sub generate_random_map {
		1125	my ($self, $rmp) = @_;
		1126	# mit "rum" bekleckern, nicht
		1127	$self->_create_random_map (
		1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1131	$rmp->{exit_on_final_map},
		1132	$rmp->{xsize}, $rmp->{ysize},
		1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1138	(cf::region::find $rmp->{region}), $rmp->{custom}
		1139	)
		1140	}
		1141
		1142	sub register {
		1143	my (undef, $regex) = @_;
		1144	my $pkg = caller;
		1145
		1146	no strict;
		1147	push @{"$pkg\::ISA"}, __PACKAGE__;
		1148
		1149	$EXT_MAP{$pkg} = qr<$regex>;
		1150	}
		1151
		1152	# also paths starting with '/'
		1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1154
		1155	sub thawer_merge {
		1156	my ($self, $merge) = @_;
		1157
		1158	# we have to keep some variables in memory intact
		1159	local $self->{path};
		1160	local $self->{load_path};
		1161	local $self->{deny_save};
		1162	local $self->{deny_reset};
		1163
		1164	$self->SUPER::thawer_merge ($merge);
		1165	}
		1166
		1167	sub normalise {
		1168	my ($path, $base) = @_;
		1169
		1170	# map plan:
		1171	#
		1172	# /! non-realised random map exit (special hack!)
		1173	# {... are special paths that are not being touched
		1174	# ?xxx/... are special absolute paths
		1175	# ?random/... random maps
		1176	# /... normal maps
		1177	# ~user/... per-player map of a specific user
		1178
		1179	$path =~ s/$PATH_SEP/\//go;
		1180
		1181	# treat it as relative path if it starts with
		1182	# something that looks reasonable
		1183	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1184	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1185
		1186	$base =~ s{[^/]+/?$}{};
		1187	$path = "$base/$path";
		1188	}
		1189
		1190	for ($path) {
		1191	redo if s{//}{/};
		1192	redo if s{/\.?/}{/};
		1193	redo if s{/[^/]+/\.\./}{/};
		1194	}
		1195
		1196	$path
		1197	}
		1198
		1199	sub new_from_path {
		1200	my (undef, $path, $base) = @_;
		1201
		1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1203
		1204	$path = normalise $path, $base;
		1205
		1206	for my $pkg (keys %EXT_MAP) {
		1207	if ($path =~ $EXT_MAP{$pkg}) {
		1208	my $self = bless cf::map::new, $pkg;
		1209	$self->{path} = $path; $self->path ($path);
		1210	$self->init; # pass $1 etc.
		1211	return $self;
		1212	}
		1213	}
		1214
		1215	Carp::carp "unable to resolve path '$path'.";
		1216	()
		1217	}
		1218
		1219	sub init {
		1220	my ($self) = @_;
		1221
		1222	$self
		1223	}
		1224
		1225	sub as_string {
		1226	my ($self) = @_;
		1227
		1228	"$self->{path}"
		1229	}
		1230
		1231	# the displayed name, this is a one way mapping
		1232	sub visible_name {
		1233	&as_string
		1234	}
		1235
		1236	# the original (read-only) location
		1237	sub load_path {
		1238	my ($self) = @_;
		1239
		1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1241	}
		1242
		1243	# the temporary/swap location
		1244	sub save_path {
		1245	my ($self) = @_;
		1246
		1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1249	}
		1250
		1251	# the unique path, undef == no special unique path
		1252	sub uniq_path {
		1253	my ($self) = @_;
		1254
		1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1257	}
		1258
		1259	# and all this just because we cannot iterate over
		1260	# all maps in C++...
		1261	sub change_all_map_light {
		1262	my ($change) = @_;
		1263
		1264	$_->change_map_light ($change)
		1265	for grep $_->outdoor, values %cf::MAP;
		1266	}
		1267
		1268	sub unlink_save {
		1269	my ($self) = @_;
		1270
		1271	utf8::encode (my $save = $self->save_path);
		1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1274	}
		1275
		1276	sub load_header_from($) {
		1277	my ($self, $path) = @_;
		1278
		1279	utf8::encode $path;
		1280	aio_open $path, O_RDONLY, 0
		1281	or return;
		1282
		1283	$self->_load_header ($path)
		1284	or return;
		1285
		1286	$self->{load_path} = $path;
		1287
		1288	1
		1289	}
		1290
		1291	sub load_orig {
		1292	my ($self) = @_;
		1293
		1294	$self->load_header_from ($self->load_path)
		1295	}
		1296
		1297	sub load_temp {
		1298	my ($self) = @_;
		1299
		1300	$self->load_header_from ($self->save_path)
		1301	}
		1302
		1303	sub load_header {
		1304	my ($self) = @_;
		1305
		1306	if ($self->load_temp) {
		1307	$self->last_access ((delete $self->{last_access})
		1308	|| $cf::RUNTIME); #d#
		1309	# safety
		1310	$self->{instantiate_time} = $cf::RUNTIME
		1311	if $self->{instantiate_time} > $cf::RUNTIME;
		1312	} else {
		1313	$self->load_orig
		1314	or return;
		1315
		1316	$self->{load_original} = 1;
		1317	$self->{instantiate_time} = $cf::RUNTIME;
		1318	$self->last_access ($cf::RUNTIME);
		1319	$self->instantiate;
		1320	}
		1321
		1322	1
		1323	}
		1324
		1325	sub find;
		1326	sub find {
		1327	my ($path, $origin) = @_;
		1328
		1329	$path = normalise $path, $origin && $origin->path;
		1330
		1331	cf::lock_wait "map_find:$path";
		1332
		1333	$cf::MAP{$path} || do {
		1334	my $guard = cf::lock_acquire "map_find:$path";
		1335	my $map = new_from_path cf::map $path
		1336	or return;
		1337
		1338	$map->{last_save} = $cf::RUNTIME;
		1339
		1340	$map->load_header
		1341	or return;
		1342
		1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
		1345	$map->reset;
		1346	undef $guard;
		1347	$map = find $path
		1348	or return;
		1349	}
		1350
		1351	$cf::MAP{$path} = $map
		1352	}
		1353	}
		1354
		1355	sub load {
		1356	my ($self) = @_;
		1357
		1358	my $path = $self->{path};
		1359	my $guard = cf::lock_acquire "map_load:$path";
		1360
		1361	return if $self->in_memory != cf::MAP_SWAPPED;
		1362
		1363	$self->in_memory (cf::MAP_LOADING);
		1364
		1365	$self->alloc;
		1366	$self->_load_objects ($self->{load_path}, 1)
		1367	or return;
		1368
		1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1370	if delete $self->{load_original};
		1371
		1372	if (my $uniq = $self->uniq_path) {
		1373	utf8::encode $uniq;
		1374	if (aio_open $uniq, O_RDONLY, 0) {
		1375	$self->clear_unique_items;
		1376	$self->_load_objects ($uniq, 0);
		1377	}
		1378	}
		1379
		1380	Coro::cede;
		1381
		1382	# now do the right thing for maps
		1383	$self->link_multipart_objects;
		1384
		1385	unless ($self->{deny_activate}) {
		1386	$self->decay_objects;
		1387	$self->fix_auto_apply;
		1388	$self->update_buttons;
		1389	Coro::cede;
		1390	$self->set_darkness_map;
		1391	$self->difficulty ($self->estimate_difficulty)
		1392	unless $self->difficulty;
		1393	Coro::cede;
		1394	$self->activate;
		1395	}
		1396
		1397	$self->in_memory (cf::MAP_IN_MEMORY);
		1398	}
		1399
		1400	sub customise_for {
		1401	my ($self, $ob) = @_;
		1402
		1403	return find "~" . $ob->name . "/" . $self->{path}
		1404	if $self->per_player;
		1405
		1406	$self
		1407	}
		1408
		1409	# find and load all maps in the 3x3 area around a map
		1410	sub load_diag {
716	my ($map) = @_;	1411	my ($map) = @_;
717		1412
718	my $path = $map->tmpname;	1413	my @diag; # diagonal neighbours
719	defined $path or return;
720		1414
721	unlink "$path.pst";	1415	for (0 .. 3) {
		1416	my $neigh = $map->tile_path ($_)
		1417	or next;
		1418	$neigh = find $neigh, $map
		1419	or next;
		1420	$neigh->load;
		1421
		1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1424	}
		1425
		1426	for (@diag) {
		1427	my $neigh = find @$_
		1428	or next;
		1429	$neigh->load;
		1430	}
		1431	}
		1432
		1433	sub find_sync {
		1434	my ($path, $origin) = @_;
		1435
		1436	cf::sync_job { find $path, $origin }
		1437	}
		1438
		1439	sub do_load_sync {
		1440	my ($map) = @_;
		1441
		1442	cf::sync_job { $map->load };
		1443	}
		1444
		1445	our %MAP_PREFETCH;
		1446	our $MAP_PREFETCHER = Coro::async {
		1447	while () {
		1448	for my $path (keys %MAP_PREFETCH) {
		1449	my $map = find $path
		1450	or next;
		1451	$map->load;
		1452
		1453	delete $MAP_PREFETCH{$path};
		1454	}
		1455	Coro::schedule;
		1456	}
722	};	1457	};
723		1458
724	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1459	sub find_async {
		1460	my ($path, $origin) = @_;
725		1461
726	#############################################################################	1462	$path = normalise $path, $origin && $origin->{path};
727	# load/save perl data associated with player->ob objects
728		1463
729	sub all_objects(@) {	1464	if (my $map = $cf::MAP{$path}) {
730	@_, map all_objects ($_->inv), @_	1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
731	}
732
733	# TODO: compatibility cruft, remove when no longer needed
734	cf::player->attach (
735	on_load => sub {
736	my ($pl, $path) = @_;
737
738	for my $o (all_objects $pl->ob) {
739	if (my $value = $o->get_ob_key_value ("_perl_data")) {
740	$o->set_ob_key_value ("_perl_data");
741
742	%$o = %{ Storable::thaw pack "H*", $value };
743	}
744	}
745	},	1466	}
746	);
747		1467
748	#############################################################################	1468	$MAP_PREFETCH{$path} = 0;
		1469	$MAP_PREFETCHER->ready;
749		1470
750	=head2 CORE EXTENSIONS	1471	()
		1472	}
751		1473
752	Functions and methods that extend core crossfire objects.	1474	sub save {
		1475	my ($self) = @_;
753		1476
754	=head3 cf::player	1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1478
		1479	$self->{last_save} = $cf::RUNTIME;
		1480
		1481	return unless $self->dirty;
		1482
		1483	my $save = $self->save_path; utf8::encode $save;
		1484	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1485
		1486	$self->{load_path} = $save;
		1487
		1488	return if $self->{deny_save};
		1489
		1490	local $self->{last_access} = $self->last_access;#d#
		1491
		1492	cf::async {
		1493	$_->contr->save for $self->players;
		1494	};
		1495
		1496	if ($uniq) {
		1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		1499	} else {
		1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1501	}
		1502	}
		1503
		1504	sub swap_out {
		1505	my ($self) = @_;
		1506
		1507	# save first because save cedes
		1508	$self->save;
		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1511
		1512	return if $self->players;
		1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1514	return if $self->{deny_save};
		1515
		1516	$self->clear;
		1517	$self->in_memory (cf::MAP_SWAPPED);
		1518	}
		1519
		1520	sub reset_at {
		1521	my ($self) = @_;
		1522
		1523	# TODO: safety, remove and allow resettable per-player maps
		1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1525	return 1e99 if $self->{deny_reset};
		1526
		1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1529
		1530	$time + $to
		1531	}
		1532
		1533	sub should_reset {
		1534	my ($self) = @_;
		1535
		1536	$self->reset_at <= $cf::RUNTIME
		1537	}
		1538
		1539	sub reset {
		1540	my ($self) = @_;
		1541
		1542	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1543
		1544	return if $self->players;
		1545	return if $self->isa ("ext::map_per_player");#d#
		1546
		1547	warn "resetting map ", $self->path;#d#
		1548
		1549	delete $cf::MAP{$self->path};
		1550
		1551	$self->in_memory (cf::MAP_SWAPPED);
		1552	$self->clear;
		1553
		1554	$_->clear_links_to ($self) for values %cf::MAP;
		1555
		1556	$self->unlink_save;
		1557	$self->destroy;
		1558	}
		1559
		1560	my $nuke_counter = "aaaa";
		1561
		1562	sub nuke {
		1563	my ($self) = @_;
		1564
		1565	delete $cf::MAP{$self->path};
		1566
		1567	$self->unlink_save;
		1568
		1569	bless $self, "cf::map";
		1570	delete $self->{deny_reset};
		1571	$self->{deny_save} = 1;
		1572	$self->reset_timeout (1);
		1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1574
		1575	$cf::MAP{$self->path} = $self;
		1576
		1577	$self->reset; # polite request, might not happen
		1578	}
		1579
		1580	=item cf::map::unique_maps
		1581
		1582	Returns an arrayref of paths of all shared maps that have
		1583	instantiated unique items. May block.
		1584
		1585	=cut
		1586
		1587	sub unique_maps() {
		1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1589	or return;
		1590
		1591	my @paths;
		1592
		1593	for (@$files) {
		1594	utf8::decode $_;
		1595	next if /\.pst$/;
		1596	next unless /^$PATH_SEP/o;
		1597
		1598	s/\.map$//;
		1599	push @paths, $_;
		1600	}
		1601
		1602	\@paths
		1603	}
		1604
		1605	package cf;
		1606
		1607	=back
		1608
		1609	=head3 cf::object
		1610
		1611	=cut
		1612
		1613	package cf::object;
755		1614
756	=over 4	1615	=over 4
757		1616
758	=item cf::player::exists $login	1617	=item $ob->inv_recursive
759		1618
760	Returns true when the given account exists.	1619	Returns the inventory of the object _and_ their inventories, recursively.
761		1620
762	=cut	1621	=cut
763		1622
764	sub cf::player::exists($) {	1623	sub inv_recursive_;
765	cf::player::find $_[0]	1624	sub inv_recursive_ {
766	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1625	map { $_, inv_recursive_ $_->inv } @_
767	}	1626	}
768		1627
769	=item $player->ext_reply ($msgid, $msgtype, %msg)	1628	sub inv_recursive {
770		1629	inv_recursive_ inv $_[0]
771	Sends an ext reply to the player.
772
773	=cut
774
775	sub cf::player::ext_reply($$$%) {
776	my ($self, $id, %msg) = @_;
777
778	$msg{msgid} = $id;
779
780	$self->send ("ext " . to_json \%msg);
781	}	1630	}
		1631
		1632	package cf;
782		1633
783	=back	1634	=back
784		1635
785	=head3 cf::object::player	1636	=head3 cf::object::player
786		1637
…		…
824	(ref $cf::CFG{"may_$access"}	1675	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1676	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	1677	: $cf::CFG{"may_$access"})
827	}	1678	}
828		1679
		1680	=item $player_object->enter_link
		1681
		1682	Freezes the player and moves him/her to a special map (C<{link}>).
		1683
		1684	The player should be reasonably safe there for short amounts of time. You
		1685	I<MUST> call C<leave_link> as soon as possible, though.
		1686
		1687	Will never block.
		1688
		1689	=item $player_object->leave_link ($map, $x, $y)
		1690
		1691	Moves the player out of the special C<{link}> map onto the specified
		1692	map. If the map is not valid (or omitted), the player will be moved back
		1693	to the location he/she was before the call to C<enter_link>, or, if that
		1694	fails, to the emergency map position.
		1695
		1696	Might block.
		1697
		1698	=cut
		1699
		1700	sub link_map {
		1701	unless ($LINK_MAP) {
		1702	$LINK_MAP = cf::map::find "{link}"
		1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1704	$LINK_MAP->load;
		1705	}
		1706
		1707	$LINK_MAP
		1708	}
		1709
		1710	sub cf::object::player::enter_link {
		1711	my ($self) = @_;
		1712
		1713	$self->deactivate_recursive;
		1714
		1715	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1716
		1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1718	if $self->map;
		1719
		1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);
		1721	}
		1722
		1723	sub cf::object::player::leave_link {
		1724	my ($self, $map, $x, $y) = @_;
		1725
		1726	my $link_pos = delete $self->{_link_pos};
		1727
		1728	unless ($map) {
		1729	# restore original map position
		1730	($map, $x, $y) = @{ $link_pos || [] };
		1731	$map = cf::map::find $map;
		1732
		1733	unless ($map) {
		1734	($map, $x, $y) = @$EMERGENCY_POSITION;
		1735	$map = cf::map::find $map
		1736	or die "FATAL: cannot load emergency map\n";
		1737	}
		1738	}
		1739
		1740	($x, $y) = (-1, -1)
		1741	unless (defined $x) && (defined $y);
		1742
		1743	# use -1 or undef as default coordinates, not 0, 0
		1744	($x, $y) = ($map->enter_x, $map->enter_y)
		1745	if $x <=0 && $y <= 0;
		1746
		1747	$map->load;
		1748	$map->load_diag;
		1749
		1750	return unless $self->contr->active;
		1751	$self->activate_recursive;
		1752	$self->enter_map ($map, $x, $y);
		1753	}
		1754
		1755	cf::player->attach (
		1756	on_logout => sub {
		1757	my ($pl) = @_;
		1758
		1759	# abort map switching before logout
		1760	if ($pl->ob->{_link_pos}) {
		1761	cf::sync_job {
		1762	$pl->ob->leave_link
		1763	};
		1764	}
		1765	},
		1766	on_login => sub {
		1767	my ($pl) = @_;
		1768
		1769	# try to abort aborted map switching on player login :)
		1770	# should happen only on crashes
		1771	if ($pl->ob->{_link_pos}) {
		1772	$pl->ob->enter_link;
		1773	(async {
		1774	# we need this sleep as the login has a concurrent enter_exit running
		1775	# and this sleep increases chances of the player not ending up in scorn
		1776	$pl->ob->reply (undef,
		1777	"There was an internal problem at your last logout, "
		1778	. "the server will try to bring you to your intended destination in a second.",
		1779	cf::NDI_RED);
		1780	Coro::Timer::sleep 1;
		1781	$pl->ob->leave_link;
		1782	})->prio (2);
		1783	}
		1784	},
		1785	);
		1786
		1787	=item $player_object->goto ($path, $x, $y)
		1788
		1789	=cut
		1790
		1791	sub cf::object::player::goto {
		1792	my ($self, $path, $x, $y) = @_;
		1793
		1794	$self->enter_link;
		1795
		1796	(async {
		1797	my $map = cf::map::find $path;
		1798	$map = $map->customise_for ($self) if $map;
		1799
		1800	# warn "entering ", $map->path, " at ($x, $y)\n"
		1801	# if $map;
		1802
		1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1804
		1805	$self->leave_link ($map, $x, $y);
		1806	})->prio (1);
		1807	}
		1808
		1809	=item $player_object->enter_exit ($exit_object)
		1810
		1811	=cut
		1812
		1813	sub parse_random_map_params {
		1814	my ($spec) = @_;
		1815
		1816	my $rmp = { # defaults
		1817	xsize => -1,
		1818	ysize => -1,
		1819	};
		1820
		1821	for (split /\n/, $spec) {
		1822	my ($k, $v) = split /\s+/, $_, 2;
		1823
		1824	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1825	}
		1826
		1827	$rmp
		1828	}
		1829
		1830	sub prepare_random_map {
		1831	my ($exit) = @_;
		1832
		1833	# all this does is basically replace the /! path by
		1834	# a new random map path (?random/...) with a seed
		1835	# that depends on the exit object
		1836
		1837	my $rmp = parse_random_map_params $exit->msg;
		1838
		1839	if ($exit->map) {
		1840	$rmp->{region} = $exit->map->region_name;
		1841	$rmp->{origin_map} = $exit->map->path;
		1842	$rmp->{origin_x} = $exit->x;
		1843	$rmp->{origin_y} = $exit->y;
		1844	}
		1845
		1846	$rmp->{random_seed} ||= $exit->random_seed;
		1847
		1848	my $data = cf::to_json $rmp;
		1849	my $md5 = Digest::MD5::md5_hex $data;
		1850	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
		1851
		1852	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		1853	aio_write $fh, 0, (length $data), $data, 0;
		1854	undef $fh;
		1855	aio_rename "$meta~", $meta;
		1856
		1857	$exit->slaying ("?random/$md5");
		1858	$exit->msg (undef);
		1859	}
		1860	}
		1861
		1862	sub cf::object::player::enter_exit {
		1863	my ($self, $exit) = @_;
		1864
		1865	return unless $self->type == cf::PLAYER;
		1866
		1867	$self->enter_link;
		1868
		1869	(async {
		1870	$self->deactivate_recursive; # just to be sure
		1871	unless (eval {
		1872	prepare_random_map $exit
		1873	if $exit->slaying eq "/!";
		1874
		1875	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
		1876	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1877
		1878	1;
		1879	}) {
		1880	$self->message ("Something went wrong deep within the crossfire server. "
		1881	. "I'll try to bring you back to the map you were before. "
		1882	. "Please report this to the dungeon master!",
		1883	cf::NDI_UNIQUE | cf::NDI_RED);
		1884
		1885	warn "ERROR in enter_exit: $@";
		1886	$self->leave_link;
		1887	}
		1888	})->prio (1);
		1889	}
		1890
829	=head3 cf::client	1891	=head3 cf::client
830		1892
831	=over 4	1893	=over 4
832		1894
833	=item $client->send_drawinfo ($text, $flags)	1895	=item $client->send_drawinfo ($text, $flags)
…		…
876	on_reply => sub {	1938	on_reply => sub {
877	my ($ns, $msg) = @_;	1939	my ($ns, $msg) = @_;
878		1940
879	# this weird shuffling is so that direct followup queries	1941	# this weird shuffling is so that direct followup queries
880	# get handled first	1942	# get handled first
881	my $queue = delete $ns->{query_queue};	1943	my $queue = delete $ns->{query_queue}
		1944	or return; # be conservative, not sure how that can happen, but we saw a crash here
882		1945
883	(shift @$queue)->[1]->($msg);	1946	(shift @$queue)->[1]->($msg);
884		1947
885	push @{ $ns->{query_queue} }, @$queue;	1948	push @{ $ns->{query_queue} }, @$queue;
886		1949
…		…
892	}	1955	}
893	}	1956	}
894	},	1957	},
895	);	1958	);
896		1959
897	=item $client->coro (\&cb)	1960	=item $client->async (\&cb)
898		1961
899	Create a new coroutine, running the specified callback. The coroutine will	1962	Create a new coroutine, running the specified callback. The coroutine will
900	be automatically cancelled when the client gets destroyed (e.g. on logout,	1963	be automatically cancelled when the client gets destroyed (e.g. on logout,
901	or loss of connection).	1964	or loss of connection).
902		1965
903	=cut	1966	=cut
904		1967
905	sub cf::client::coro {	1968	sub cf::client::async {
906	my ($self, $cb) = @_;	1969	my ($self, $cb) = @_;
907		1970
908	my $coro; $coro = async {	1971	my $coro = &Coro::async ($cb);
909	eval {	1972
910	$cb->();	1973	$coro->on_destroy (sub {
911	};
912	warn $@ if $@;
913	delete $self->{_coro}{$coro+0};	1974	delete $self->{_coro}{$coro+0};
914	};	1975	});
915		1976
916	$self->{_coro}{$coro+0} = $coro;	1977	$self->{_coro}{$coro+0} = $coro;
		1978
		1979	$coro
917	}	1980	}
918		1981
919	cf::client->attach (	1982	cf::client->attach (
920	on_destroy => sub {	1983	on_destroy => sub {
921	my ($ns) = @_;	1984	my ($ns) = @_;
…		…
1085		2148
1086	{	2149	{
1087	my $path = cf::localdir . "/database.pst";	2150	my $path = cf::localdir . "/database.pst";
1088		2151
1089	sub db_load() {	2152	sub db_load() {
1090	warn "loading database $path\n";#d# remove later
1091	$DB = stat $path ? Storable::retrieve $path : { };	2153	$DB = stat $path ? Storable::retrieve $path : { };
1092	}	2154	}
1093		2155
1094	my $pid;	2156	my $pid;
1095		2157
1096	sub db_save() {	2158	sub db_save() {
1097	warn "saving database $path\n";#d# remove later
1098	waitpid $pid, 0 if $pid;	2159	waitpid $pid, 0 if $pid;
1099	if (0 == ($pid = fork)) {	2160	if (0 == ($pid = fork)) {
1100	$DB->{_meta}{version} = 1;	2161	$DB->{_meta}{version} = 1;
1101	Storable::nstore $DB, "$path~";	2162	Storable::nstore $DB, "$path~";
1102	rename "$path~", $path;	2163	rename "$path~", $path;
…		…
1150	open my $fh, "<:utf8", cf::confdir . "/config"	2211	open my $fh, "<:utf8", cf::confdir . "/config"
1151	or return;	2212	or return;
1152		2213
1153	local $/;	2214	local $/;
1154	*CFG = YAML::Syck::Load <$fh>;	2215	*CFG = YAML::Syck::Load <$fh>;
		2216
		2217	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2218
		2219	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2220	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2221
		2222	if (exists $CFG{mlockall}) {
		2223	eval {
		2224	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2225	and die "WARNING: m(un)lockall failed: $!\n";
		2226	};
		2227	warn $@ if $@;
		2228	}
1155	}	2229	}
1156		2230
1157	sub main {	2231	sub main {
		2232	# we must not ever block the main coroutine
		2233	local $Coro::idle = sub {
		2234	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2235	(async {
		2236	Event::one_event;
		2237	})->prio (Coro::PRIO_MAX);
		2238	};
		2239
1158	cfg_load;	2240	cfg_load;
1159	db_load;	2241	db_load;
1160	load_extensions;	2242	load_extensions;
1161	Event::loop;	2243	Event::loop;
1162	}	2244	}
1163		2245
1164	#############################################################################	2246	#############################################################################
1165	# initialisation	2247	# initialisation and cleanup
1166		2248
		2249	# install some emergency cleanup handlers
		2250	BEGIN {
		2251	for my $signal (qw(INT HUP TERM)) {
		2252	Event->signal (
		2253	data => WF_AUTOCANCEL,
		2254	signal => $signal,
		2255	cb => sub {
		2256	cf::cleanup "SIG$signal";
		2257	},
		2258	);
		2259	}
		2260	}
		2261
		2262	sub emergency_save() {
		2263	my $freeze_guard = cf::freeze_mainloop;
		2264
		2265	warn "enter emergency perl save\n";
		2266
		2267	cf::sync_job {
		2268	# use a peculiar iteration method to avoid tripping on perl
		2269	# refcount bugs in for. also avoids problems with players
		2270	# and maps saved/destroyed asynchronously.
		2271	warn "begin emergency player save\n";
		2272	for my $login (keys %cf::PLAYER) {
		2273	my $pl = $cf::PLAYER{$login} or next;
		2274	$pl->valid or next;
		2275	$pl->save;
		2276	}
		2277	warn "end emergency player save\n";
		2278
		2279	warn "begin emergency map save\n";
		2280	for my $path (keys %cf::MAP) {
		2281	my $map = $cf::MAP{$path} or next;
		2282	$map->valid or next;
		2283	$map->save;
		2284	}
		2285	warn "end emergency map save\n";
		2286	};
		2287
		2288	warn "leave emergency perl save\n";
		2289	}
		2290
1167	sub _perl_reload(&) {	2291	sub reload() {
1168	my ($msg) = @_;	2292	# can/must only be called in main
		2293	if ($Coro::current != $Coro::main) {
		2294	warn "can only reload from main coroutine\n";
		2295	return;
		2296	}
1169		2297
1170	$msg->("reloading...");	2298	warn "reloading...";
		2299
		2300	warn "freezing server";
		2301	my $guard = freeze_mainloop;
		2302	cf::emergency_save;
		2303
		2304	warn "sync database to disk";
		2305	cf::db_sync;
		2306	IO::AIO::flush;
1171		2307
1172	eval {	2308	eval {
		2309	# if anything goes wrong in here, we should simply crash as we already saved
		2310
1173	# cancel all watchers	2311	warn "cancel all watchers";
1174	for (Event::all_watchers) {	2312	for (Event::all_watchers) {
1175	$_->cancel if $_->data & WF_AUTOCANCEL;	2313	$_->cancel if $_->data & WF_AUTOCANCEL;
1176	}	2314	}
1177		2315
		2316	warn "cancel all extension coros";
		2317	$_->cancel for values %EXT_CORO;
		2318	%EXT_CORO = ();
		2319
		2320	warn "remove commands";
		2321	%COMMAND = ();
		2322
		2323	warn "remove ext commands";
		2324	%EXTCMD = ();
		2325
1178	# unload all extensions	2326	warn "unload/nuke all extensions";
1179	for (@exts) {	2327	for my $pkg (@EXTS) {
1180	$msg->("unloading <$_>");	2328	warn "... unloading $pkg";
1181	unload_extension $_;	2329
		2330	if (my $cb = $pkg->can ("unload")) {
		2331	eval {
		2332	$cb->($pkg);
		2333	1
		2334	} or warn "$pkg unloaded, but with errors: $@";
1182	}	2335	}
1183		2336
		2337	warn "... nuking $pkg";
		2338	Symbol::delete_package $pkg;
		2339	}
		2340
1184	# unload all modules loaded from $LIBDIR	2341	warn "unload all perl modules loaded from $LIBDIR";
1185	while (my ($k, $v) = each %INC) {	2342	while (my ($k, $v) = each %INC) {
1186	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1187		2344
1188	$msg->("removing <$k>");	2345	warn "removing <$k>";
1189	delete $INC{$k};	2346	delete $INC{$k};
1190		2347
1191	$k =~ s/\.pm$//;	2348	$k =~ s/\.pm$//;
1192	$k =~ s/\//::/g;	2349	$k =~ s/\//::/g;
1193		2350
…		…
1196	}	2353	}
1197		2354
1198	Symbol::delete_package $k;	2355	Symbol::delete_package $k;
1199	}	2356	}
1200		2357
1201	# sync database to disk
1202	cf::db_sync;
1203
1204	# get rid of safe::, as good as possible	2358	warn "get rid of safe::, as good as possible";
1205	Symbol::delete_package "safe::$_"	2359	Symbol::delete_package "safe::$_"
1206	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1207		2361
1208	# remove register_script_function callbacks
1209	# TODO
1210
1211	# unload cf.pm "a bit"	2362	warn "unload cf.pm \"a bit\"";
1212	delete $INC{"cf.pm"};	2363	delete $INC{"cf.pm"};
1213		2364
1214	# don't, removes xs symbols, too,	2365	# don't, removes xs symbols, too,
1215	# and global variables created in xs	2366	# and global variables created in xs
1216	#Symbol::delete_package __PACKAGE__;	2367	#Symbol::delete_package __PACKAGE__;
1217		2368
1218	# reload cf.pm
1219	$msg->("reloading cf.pm");	2369	warn "reloading cf.pm";
1220	require cf;	2370	require cf;
		2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1221		2372
1222	# load config and database again	2373	warn "load config and database again";
1223	cf::cfg_load;	2374	cf::cfg_load;
1224	cf::db_load;	2375	cf::db_load;
1225		2376
1226	# load extensions	2377	warn "load extensions";
1227	$msg->("load extensions");
1228	cf::load_extensions;	2378	cf::load_extensions;
1229		2379
1230	# reattach attachments to objects	2380	warn "reattach attachments to objects/players";
1231	$msg->("reattach");
1232	_global_reattach;	2381	_global_reattach;
		2382	warn "reattach attachments to maps";
		2383	reattach $_ for values %MAP;
1233	};	2384	};
1234	$msg->($@) if $@;
1235		2385
1236	$msg->("reloaded");	2386	if ($@) {
		2387	warn $@;
		2388	warn "error while reloading, exiting.";
		2389	exit 1;
		2390	}
		2391
		2392	warn "reloaded";
1237	};	2393	};
1238		2394
1239	sub perl_reload() {	2395	our $RELOAD_WATCHER; # used only during reload
1240	_perl_reload {
1241	warn $_[0];
1242	print "$_[0]\n";
1243	};
1244	}
1245		2396
1246	register "<global>", __PACKAGE__;
1247
1248	register_command "perl-reload" => sub {	2397	register_command "reload" => sub {
1249	my ($who, $arg) = @_;	2398	my ($who, $arg) = @_;
1250		2399
1251	if ($who->flag (FLAG_WIZ)) {	2400	if ($who->flag (FLAG_WIZ)) {
1252	_perl_reload {	2401	$who->message ("reloading server.");
1253	warn $_[0];	2402
1254	$who->message ($_[0]);	2403	# doing reload synchronously and two reloads happen back-to-back,
		2404	# coro crashes during coro_state_free->destroy here.
		2405
		2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
		2407	reload;
		2408	undef $RELOAD_WATCHER;
1255	};	2409	});
1256	}	2410	}
1257	};	2411	};
1258		2412
1259	unshift @INC, $LIBDIR;	2413	unshift @INC, $LIBDIR;
1260		2414
1261	$TICK_WATCHER = Event->timer (	2415	$TICK_WATCHER = Event->timer (
		2416	reentrant => 0,
1262	prio => 0,	2417	prio => 0,
1263	at => $NEXT_TICK || 1,	2418	at => $NEXT_TICK || $TICK,
1264	data => WF_AUTOCANCEL,	2419	data => WF_AUTOCANCEL,
1265	cb => sub {	2420	cb => sub {
		2421	$NOW = Event::time;
		2422
1266	cf::server_tick; # one server iteration	2423	cf::server_tick; # one server iteration
1267		2424	$RUNTIME += $TICK;
1268	my $NOW = Event::time;
1269	$NEXT_TICK += $TICK;	2425	$NEXT_TICK += $TICK;
1270		2426
		2427	$WAIT_FOR_TICK->broadcast;
		2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2429
1271	# if we are delayed by four ticks or more, skip them all	2430	# if we are delayed by four ticks or more, skip them all
1272	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1273		2432
1274	$TICK_WATCHER->at ($NEXT_TICK);	2433	$TICK_WATCHER->at ($NEXT_TICK);
1275	$TICK_WATCHER->start;	2434	$TICK_WATCHER->start;
1276	},	2435	},
1277	);	2436	);
1278		2437
1279	IO::AIO::max_poll_time $TICK * 0.2;	2438	IO::AIO::max_poll_time $TICK * 0.2;
1280		2439
		2440	$AIO_POLL_WATCHER = Event->io (
1281	Event->io (fd => IO::AIO::poll_fileno,	2441	fd => IO::AIO::poll_fileno,
1282	poll => 'r',	2442	poll => 'r',
1283	prio => 5,	2443	prio => 5,
1284	data => WF_AUTOCANCEL,	2444	data => WF_AUTOCANCEL,
1285	cb => \&IO::AIO::poll_cb);	2445	cb => \&IO::AIO::poll_cb,
		2446	);
		2447
		2448	$WRITE_RUNTIME_WATCHER = Event->timer (
		2449	data => WF_AUTOCANCEL,
		2450	after => 0,
		2451	interval => 10,
		2452	cb => sub {
		2453	(Coro::unblock_sub {
		2454	write_runtime
		2455	or warn "ERROR: unable to write runtime file: $!";
		2456	})->();
		2457	},
		2458	);
		2459
		2460	END { cf::emergency_save }
1286		2461
1287	1	2462	1
1288		2463

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