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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.99 by root, Sat Dec 23 05:25:35 2006 UTC vs.
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
		18	use Coro::AIO;
18		19
		20	use Digest::MD5;
		21	use Fcntl;
19	use IO::AIO 2.3;	22	use IO::AIO 2.31 ();
20	use YAML::Syck ();	23	use YAML::Syck ();
21	use Time::HiRes;	24	use Time::HiRes;
22		25
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
24		27
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
27		30
28	$Coro::main->prio (Coro::PRIO_MIN);	31	$Coro::main->prio (Coro::PRIO_MAX); # 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 $RANDOM_MAPS = cf::localdir . "/random";
		55	our %EXT_CORO;
		56
		57	binmode STDOUT;
		58	binmode STDERR;
		59
		60	# read virtual server time, if available
		61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		62	open my $fh, "<", cf::localdir . "/runtime"
		63	or die "unable to read runtime file: $!";
		64	$RUNTIME = <$fh> + 0.;
		65	}
		66
		67	mkdir cf::localdir;
		68	mkdir cf::localdir . "/" . cf::playerdir;
		69	mkdir cf::localdir . "/" . cf::tmpdir;
		70	mkdir cf::localdir . "/" . cf::uniquedir;
		71	mkdir $RANDOM_MAPS;
		72
		73	# a special map that is always available
		74	our $LINK_MAP;
		75	our $EMERGENCY_POSITION;
48		76
49	#############################################################################	77	#############################################################################
50		78
51	=head2 GLOBAL VARIABLES	79	=head2 GLOBAL VARIABLES
52		80
53	=over 4	81	=over 4
54		82
55	=item $cf::UPTIME	83	=item $cf::UPTIME
56		84
57	The timestamp of the server start (so not actually an uptime).	85	The timestamp of the server start (so not actually an uptime).
		86
		87	=item $cf::RUNTIME
		88
		89	The time this server has run, starts at 0 and is increased by $cf::TICK on
		90	every server tick.
58		91
59	=item $cf::LIBDIR	92	=item $cf::LIBDIR
60		93
61	The perl library directory, where extensions and cf-specific modules can	94	The perl library directory, where extensions and cf-specific modules can
62	be found. It will be added to C<@INC> automatically.	95	be found. It will be added to C<@INC> automatically.
		96
		97	=item $cf::NOW
		98
		99	The time of the last (current) server tick.
63		100
64	=item $cf::TICK	101	=item $cf::TICK
65		102
66	The interval between server ticks, in seconds.	103	The interval between server ticks, in seconds.
67		104
…		…
75	=cut	112	=cut
76		113
77	BEGIN {	114	BEGIN {
78	*CORE::GLOBAL::warn = sub {	115	*CORE::GLOBAL::warn = sub {
79	my $msg = join "", @_;	116	my $msg = join "", @_;
		117	utf8::encode $msg;
		118
80	$msg .= "\n"	119	$msg .= "\n"
81	unless $msg =~ /\n$/;	120	unless $msg =~ /\n$/;
82		121
83	print STDERR "cfperl: $msg";
84	LOG llevError, "cfperl: $msg";	122	LOG llevError, "cfperl: $msg";
85	};	123	};
86	}	124	}
87		125
88	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
93	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
94		132
95	# we bless all objects into (empty) derived classes to force a method lookup	133	# we bless all objects into (empty) derived classes to force a method lookup
96	# within the Safe compartment.	134	# within the Safe compartment.
97	for my $pkg (qw(	135	for my $pkg (qw(
98	cf::global	136	cf::global cf::attachable
99	cf::object cf::object::player	137	cf::object cf::object::player
100	cf::client cf::player	138	cf::client cf::player
101	cf::arch cf::living	139	cf::arch cf::living
102	cf::map cf::party cf::region	140	cf::map cf::party cf::region
103	)) {	141	)) {
…		…
141	sub to_json($) {	179	sub to_json($) {
142	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
143	JSON::Syck::Dump $_[0]	181	JSON::Syck::Dump $_[0]
144	}	182	}
145		183
		184	=item cf::lock_wait $string
		185
		186	Wait until the given lock is available. See cf::lock_acquire.
		187
		188	=item my $lock = cf::lock_acquire $string
		189
		190	Wait until the given lock is available and then acquires it and returns
		191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		192	for example when the coroutine gets canceled), the lock is automatically
		193	returned.
		194
		195	Lock names should begin with a unique identifier (for example, cf::map::find
		196	uses map_find and cf::map::load uses map_load).
		197
		198	=cut
		199
		200	our %LOCK;
		201
		202	sub lock_wait($) {
		203	my ($key) = @_;
		204
		205	# wait for lock, if any
		206	while ($LOCK{$key}) {
		207	push @{ $LOCK{$key} }, $Coro::current;
		208	Coro::schedule;
		209	}
		210	}
		211
		212	sub lock_acquire($) {
		213	my ($key) = @_;
		214
		215	# wait, to be sure we are not locked
		216	lock_wait $key;
		217
		218	$LOCK{$key} = [];
		219
		220	Coro::guard {
		221	# wake up all waiters, to be on the safe side
		222	$_->ready for @{ delete $LOCK{$key} };
		223	}
		224	}
		225
		226	sub freeze_mainloop {
		227	return unless $TICK_WATCHER->is_active;
		228
		229	my $guard = Coro::guard { $TICK_WATCHER->start };
		230	$TICK_WATCHER->stop;
		231	$guard
		232	}
		233
		234	=item cf::sync_job { BLOCK }
		235
		236	The design of crossfire+ requires that the main coro ($Coro::main) is
		237	always able to handle events or runnable, as crossfire+ is only partly
		238	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		239
		240	If it must be done, put the blocking parts into C<sync_job>. This will run
		241	the given BLOCK in another coroutine while waiting for the result. The
		242	server will be frozen during this time, so the block should either finish
		243	fast or be very important.
		244
		245	=cut
		246
		247	sub sync_job(&) {
		248	my ($job) = @_;
		249
		250	if ($Coro::current == $Coro::main) {
		251	# this is the main coro, too bad, we have to block
		252	# till the operation succeeds, freezing the server :/
		253
		254	# TODO: use suspend/resume instead
		255	# (but this is cancel-safe)
		256	my $freeze_guard = freeze_mainloop;
		257
		258	my $busy = 1;
		259	my @res;
		260
		261	(Coro::async_pool {
		262	@res = eval { $job->() };
		263	warn $@ if $@;
		264	undef $busy;
		265	})->prio (Coro::PRIO_MAX);
		266
		267	while ($busy) {
		268	unless (Coro::cede) {
		269	Coro::nready ? Event::one_event 0 : Event::one_event;
		270	Coro::cede_notself unless Coro::cede;
		271	}
		272	}
		273
		274	wantarray ? @res : $res[0]
		275	} else {
		276	# we are in another coroutine, how wonderful, everything just works
		277
		278	$job->()
		279	}
		280	}
		281
		282	=item $coro = cf::coro { BLOCK }
		283
		284	Creates (and readies) and returns a new coro. This coro is automcatially
		285	being canceled when the extension calling this is being unloaded.
		286
		287	=cut
		288
		289	sub coro(&) {
		290	my $cb = shift;
		291
		292	my $coro = &Coro::async_pool ($cb);
		293
		294	$coro->on_destroy (sub {
		295	delete $EXT_CORO{$coro+0};
		296	});
		297	$EXT_CORO{$coro+0} = $coro;
		298
		299	$coro
		300	}
		301
		302	sub write_runtime {
		303	my $runtime = cf::localdir . "/runtime";
		304
		305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		306	or return;
		307
		308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		309	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		310	and return;
		311
		312	aio_fsync $fh
		313	and return;
		314
		315	close $fh
		316	or return;
		317
		318	aio_rename "$runtime~", $runtime
		319	and return;
		320
		321	1
		322	}
		323
146	=back	324	=back
147		325
148	=cut	326	=cut
		327
		328	#############################################################################
		329
		330	package cf::path;
		331
		332	sub new {
		333	my ($class, $path, $base) = @_;
		334
		335	$path = $path->as_string if ref $path;
		336
		337	my $self = bless { }, $class;
		338
		339	# {... are special paths that are not touched
		340	# ?xxx/... are special absolute paths
		341	# ?random/... random maps
		342	# /! non-realised random map exit
		343	# /... normal maps
		344	# ~/... per-player maps without a specific player (DO NOT USE)
		345	# ~user/... per-player map of a specific user
		346
		347	if ($path =~ /^{/) {
		348	# fine as it is
		349	} elsif ($path =~ s{^\?random/}{}) {
		350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		351	$self->{random} = cf::from_json $data;
		352	} else {
		353	if ($path =~ s{^~([^/]+)?}{}) {
		354	$self->{user_rel} = 1;
		355
		356	if (defined $1) {
		357	$self->{user} = $1;
		358	} elsif ($base =~ m{^~([^/]+)/}) {
		359	$self->{user} = $1;
		360	} else {
		361	warn "cannot resolve user-relative path without user <$path,$base>\n";
		362	}
		363	} elsif ($path =~ /^\//) {
		364	# already absolute
		365	} else {
		366	$base =~ s{[^/]+/?$}{};
		367	return $class->new ("$base/$path");
		368	}
		369
		370	for ($path) {
		371	redo if s{/\.?/}{/};
		372	redo if s{/[^/]+/\.\./}{/};
		373	}
		374	}
		375
		376	$self->{path} = $path;
		377
		378	$self
		379	}
		380
		381	# the name / primary key / in-game path
		382	sub as_string {
		383	my ($self) = @_;
		384
		385	$self->{user_rel} ? "~$self->{user}$self->{path}"
		386	: $self->{random} ? "?random/$self->{path}"
		387	: $self->{path}
		388	}
		389
		390	# the displayed name, this is a one way mapping
		391	sub visible_name {
		392	my ($self) = @_;
		393
		394	# if (my $rmp = $self->{random}) {
		395	# # todo: be more intelligent about this
		396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		397	# } else {
		398	$self->as_string
		399	# }
		400	}
		401
		402	# escape the /'s in the path
		403	sub _escaped_path {
		404	# ∕ is U+2215
		405	(my $path = $_[0]{path}) =~ s/\//∕/g;
		406	$path
		407	}
		408
		409	# the original (read-only) location
		410	sub load_path {
		411	my ($self) = @_;
		412
		413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		414	}
		415
		416	# the temporary/swap location
		417	sub save_path {
		418	my ($self) = @_;
		419
		420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		423	}
		424
		425	# the unique path, might be eq to save_path
		426	sub uniq_path {
		427	my ($self) = @_;
		428
		429	$self->{user_rel} || $self->{random}
		430	? undef
		431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		432	}
		433
		434	# return random map parameters, or undef
		435	sub random_map_params {
		436	my ($self) = @_;
		437
		438	$self->{random}
		439	}
		440
		441	# this is somewhat ugly, but style maps do need special treatment
		442	sub is_style_map {
		443	$_[0]{path} =~ m{^/styles/}
		444	}
		445
		446	package cf;
149		447
150	#############################################################################	448	#############################################################################
151		449
152	=head2 ATTACHABLE OBJECTS	450	=head2 ATTACHABLE OBJECTS
153		451
…		…
269	exception.	567	exception.
270		568
271	=cut	569	=cut
272		570
273	# the following variables are defined in .xs and must not be re-created	571	# the following variables are defined in .xs and must not be re-created
274	our @CB_GLOBAL = (); # registry for all global events	572	our @CB_GLOBAL = (); # registry for all global events
		573	our @CB_ATTACHABLE = (); # registry for all attachables
275	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	574	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
276	our @CB_PLAYER = ();	575	our @CB_PLAYER = ();
277	our @CB_CLIENT = ();	576	our @CB_CLIENT = ();
278	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
279	our @CB_MAP = ();	578	our @CB_MAP = ();
280		579
281	my %attachment;	580	my %attachment;
282		581
283	sub _attach_cb($$$$) {	582	sub _attach_cb($$$$) {
284	my ($registry, $event, $prio, $cb) = @_;	583	my ($registry, $event, $prio, $cb) = @_;
…		…
289		588
290	@{$registry->[$event]} = sort	589	@{$registry->[$event]} = sort
291	{ $a->[0] cmp $b->[0] }	590	{ $a->[0] cmp $b->[0] }
292	@{$registry->[$event] || []}, $cb;	591	@{$registry->[$event] || []}, $cb;
293	}	592	}
		593
		594	# hack
		595	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
294		596
295	# attach handles attaching event callbacks	597	# attach handles attaching event callbacks
296	# the only thing the caller has to do is pass the correct	598	# the only thing the caller has to do is pass the correct
297	# registry (== where the callback attaches to).	599	# registry (== where the callback attaches to).
298	sub _attach {	600	sub _attach {
…		…
300		602
301	my $object_type;	603	my $object_type;
302	my $prio = 0;	604	my $prio = 0;
303	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	605	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
304		606
		607	#TODO: get rid of this hack
		608	if ($attachable_klass{$klass}) {
		609	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		610	}
		611
305	while (@arg) {	612	while (@arg) {
306	my $type = shift @arg;	613	my $type = shift @arg;
307		614
308	if ($type eq "prio") {	615	if ($type eq "prio") {
309	$prio = shift @arg;	616	$prio = shift @arg;
…		…
384	my ($obj, $name) = @_;	691	my ($obj, $name) = @_;
385		692
386	exists $obj->{_attachment}{$name}	693	exists $obj->{_attachment}{$name}
387	}	694	}
388		695
389	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	696	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
390	eval "#line " . __LINE__ . " 'cf.pm'	697	eval "#line " . __LINE__ . " 'cf.pm'
391	sub cf::\L$klass\E::_attach_registry {	698	sub cf::\L$klass\E::_attach_registry {
392	(\\\@CB_$klass, KLASS_$klass)	699	(\\\@CB_$klass, KLASS_$klass)
393	}	700	}
394		701
…		…
447	=cut	754	=cut
448		755
449	#############################################################################	756	#############################################################################
450	# object support	757	# object support
451		758
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 {	759	sub reattach {
		760	# basically do the same as instantiate, without calling instantiate
466	my ($obj) = @_;	761	my ($obj) = @_;
		762
467	my $registry = $obj->registry;	763	my $registry = $obj->registry;
468		764
469	@$registry = ();	765	@$registry = ();
470		766
471	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	767	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
…		…
480	warn "object uses attachment '$name' that is not available, postponing.\n";	776	warn "object uses attachment '$name' that is not available, postponing.\n";
481	}	777	}
482	}	778	}
483	}	779	}
484		780
485	sub object_freezer_save {	781	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	$$rdata . Dumper $objs
522	}
523
524	sub object_thawer_load {
525	my ($filename) = @_;
526
527	local $/;
528
529	my $av;
530
531	#TODO: use sysread etc.
532	if (open my $data, "<:raw:perlio", $filename) {
533	$data = <$data>;
534	if (open my $pst, "<:raw:perlio", "$filename.pst") {
535	$av = eval { (Storable::thaw <$pst>)->{objs} };
536	}
537	return ($data, $av);
538	}
539
540	()
541	}
542
543	cf::object->attach (
544	prio => -1000000,	782	prio => -1000000,
		783	on_instantiate => sub {
		784	my ($obj, $data) = @_;
		785
		786	$data = from_json $data;
		787
		788	for (@$data) {
		789	my ($name, $args) = @$_;
		790
		791	$obj->attach ($name, %{$args || {} });
		792	}
		793	},
		794	on_reattach => \&reattach,
545	on_clone => sub {	795	on_clone => sub {
546	my ($src, $dst) = @_;	796	my ($src, $dst) = @_;
547		797
548	@{$dst->registry} = @{$src->registry};	798	@{$dst->registry} = @{$src->registry};
549		799
…		…
551		801
552	%{$dst->{_attachment}} = %{$src->{_attachment}}	802	%{$dst->{_attachment}} = %{$src->{_attachment}}
553	if exists $src->{_attachment};	803	if exists $src->{_attachment};
554	},	804	},
555	);	805	);
		806
		807	sub object_freezer_save {
		808	my ($filename, $rdata, $objs) = @_;
		809
		810	sync_job {
		811	if (length $$rdata) {
		812	warn sprintf "saving %s (%d,%d)\n",
		813	$filename, length $$rdata, scalar @$objs;
		814
		815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		816	chmod SAVE_MODE, $fh;
		817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		818	aio_fsync $fh;
		819	close $fh;
		820
		821	if (@$objs) {
		822	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		823	chmod SAVE_MODE, $fh;
		824	my $data = Storable::nfreeze { version => 1, objs => $objs };
		825	aio_write $fh, 0, (length $data), $data, 0;
		826	aio_fsync $fh;
		827	close $fh;
		828	aio_rename "$filename.pst~", "$filename.pst";
		829	}
		830	} else {
		831	aio_unlink "$filename.pst";
		832	}
		833
		834	aio_rename "$filename~", $filename;
		835	} else {
		836	warn "FATAL: $filename~: $!\n";
		837	}
		838	} else {
		839	aio_unlink $filename;
		840	aio_unlink "$filename.pst";
		841	}
		842	}
		843	}
		844
		845	sub object_freezer_as_string {
		846	my ($rdata, $objs) = @_;
		847
		848	use Data::Dumper;
		849
		850	$$rdata . Dumper $objs
		851	}
		852
		853	sub object_thawer_load {
		854	my ($filename) = @_;
		855
		856	my ($data, $av);
		857
		858	(aio_load $filename, $data) >= 0
		859	or return;
		860
		861	unless (aio_stat "$filename.pst") {
		862	(aio_load "$filename.pst", $av) >= 0
		863	or return;
		864	$av = eval { (Storable::thaw $av)->{objs} };
		865	}
		866
		867	warn sprintf "loading %s (%d)\n",
		868	$filename, length $data, scalar @{$av || []};#d#
		869	return ($data, $av);
		870	}
556		871
557	#############################################################################	872	#############################################################################
558	# command handling &c	873	# command handling &c
559		874
560	=item cf::register_command $name => \&callback($ob,$args);	875	=item cf::register_command $name => \&callback($ob,$args);
…		…
780	$self->send ("ext " . to_json \%msg);	1095	$self->send ("ext " . to_json \%msg);
781	}	1096	}
782		1097
783	=back	1098	=back
784		1099
		1100
		1101	=head3 cf::map
		1102
		1103	=over 4
		1104
		1105	=cut
		1106
		1107	package cf::map;
		1108
		1109	use Fcntl;
		1110	use Coro::AIO;
		1111
		1112	our $MAX_RESET = 3600;
		1113	our $DEFAULT_RESET = 3000;
		1114
		1115	sub generate_random_map {
		1116	my ($path, $rmp) = @_;
		1117
		1118	# mit "rum" bekleckern, nicht
		1119	cf::map::_create_random_map
		1120	$path,
		1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1124	$rmp->{exit_on_final_map},
		1125	$rmp->{xsize}, $rmp->{ysize},
		1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1131	(cf::region::find $rmp->{region})
		1132	}
		1133
		1134	# and all this just because we cannot iterate over
		1135	# all maps in C++...
		1136	sub change_all_map_light {
		1137	my ($change) = @_;
		1138
		1139	$_->change_map_light ($change)
		1140	for grep $_->outdoor, values %cf::MAP;
		1141	}
		1142
		1143	sub try_load_header($) {
		1144	my ($path) = @_;
		1145
		1146	utf8::encode $path;
		1147	aio_open $path, O_RDONLY, 0
		1148	or return;
		1149
		1150	my $map = cf::map::new
		1151	or return;
		1152
		1153	# for better error messages only, will be overwritten
		1154	$map->path ($path);
		1155
		1156	$map->load_header ($path)
		1157	or return;
		1158
		1159	$map->{load_path} = $path;
		1160
		1161	$map
		1162	}
		1163
		1164	sub find;
		1165	sub find {
		1166	my ($path, $origin) = @_;
		1167
		1168	#warn "find<$path,$origin>\n";#d#
		1169
		1170	$path = new cf::path $path, $origin && $origin->path;
		1171	my $key = $path->as_string;
		1172
		1173	cf::lock_wait "map_find:$key";
		1174
		1175	$cf::MAP{$key} || do {
		1176	my $guard = cf::lock_acquire "map_find:$key";
		1177
		1178	# do it the slow way
		1179	my $map = try_load_header $path->save_path;
		1180
		1181	Coro::cede;
		1182
		1183	if ($map) {
		1184	$map->last_access ((delete $map->{last_access})
		1185	|| $cf::RUNTIME); #d#
		1186	# safety
		1187	$map->{instantiate_time} = $cf::RUNTIME
		1188	if $map->{instantiate_time} > $cf::RUNTIME;
		1189	} else {
		1190	if (my $rmp = $path->random_map_params) {
		1191	$map = generate_random_map $key, $rmp;
		1192	} else {
		1193	$map = try_load_header $path->load_path;
		1194	}
		1195
		1196	$map or return;
		1197
		1198	$map->{load_original} = 1;
		1199	$map->{instantiate_time} = $cf::RUNTIME;
		1200	$map->last_access ($cf::RUNTIME);
		1201	$map->instantiate;
		1202
		1203	# per-player maps become, after loading, normal maps
		1204	$map->per_player (0) if $path->{user_rel};
		1205	}
		1206
		1207	$map->path ($key);
		1208	$map->{path} = $path;
		1209	$map->{last_save} = $cf::RUNTIME;
		1210
		1211	Coro::cede;
		1212
		1213	if ($map->should_reset) {
		1214	$map->reset;
		1215	undef $guard;
		1216	$map = find $path
		1217	or return;
		1218	}
		1219
		1220	$cf::MAP{$key} = $map
		1221	}
		1222	}
		1223
		1224	sub load {
		1225	my ($self) = @_;
		1226
		1227	my $path = $self->{path};
		1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1229
		1230	return if $self->in_memory != cf::MAP_SWAPPED;
		1231
		1232	$self->in_memory (cf::MAP_LOADING);
		1233
		1234	$self->alloc;
		1235	$self->load_objects ($self->{load_path}, 1)
		1236	or return;
		1237
		1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1239	if delete $self->{load_original};
		1240
		1241	if (my $uniq = $path->uniq_path) {
		1242	utf8::encode $uniq;
		1243	if (aio_open $uniq, O_RDONLY, 0) {
		1244	$self->clear_unique_items;
		1245	$self->load_objects ($uniq, 0);
		1246	}
		1247	}
		1248
		1249	Coro::cede;
		1250
		1251	# now do the right thing for maps
		1252	$self->link_multipart_objects;
		1253
		1254	if ($self->{path}->is_style_map) {
		1255	$self->{deny_save} = 1;
		1256	$self->{deny_reset} = 1;
		1257	} else {
		1258	$self->fix_auto_apply;
		1259	$self->decay_objects;
		1260	$self->update_buttons;
		1261	$self->set_darkness_map;
		1262	$self->difficulty ($self->estimate_difficulty)
		1263	unless $self->difficulty;
		1264	$self->activate;
		1265	}
		1266
		1267	Coro::cede;
		1268
		1269	$self->in_memory (cf::MAP_IN_MEMORY);
		1270	}
		1271
		1272	sub find_sync {
		1273	my ($path, $origin) = @_;
		1274
		1275	cf::sync_job {
		1276	my $map = cf::map::find $path, $origin;
		1277	$map
		1278	}
		1279	}
		1280
		1281	sub do_load_sync {
		1282	my ($map) = @_;
		1283
		1284	cf::sync_job { $map->load };
		1285	}
		1286
		1287	sub save {
		1288	my ($self) = @_;
		1289
		1290	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1291
		1292	$self->{last_save} = $cf::RUNTIME;
		1293
		1294	return unless $self->dirty;
		1295
		1296	my $save = $self->{path}->save_path; utf8::encode $save;
		1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1298
		1299	$self->{load_path} = $save;
		1300
		1301	return if $self->{deny_save};
		1302
		1303	local $self->{last_access} = $self->last_access;#d#
		1304
		1305	if ($uniq) {
		1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1307	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1308	} else {
		1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1310	}
		1311	}
		1312
		1313	sub swap_out {
		1314	my ($self) = @_;
		1315
		1316	# save first because save cedes
		1317	$self->save;
		1318
		1319	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1320
		1321	return if $self->players;
		1322	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1323	return if $self->{deny_save};
		1324
		1325	$self->clear;
		1326	$self->in_memory (cf::MAP_SWAPPED);
		1327	}
		1328
		1329	sub reset_at {
		1330	my ($self) = @_;
		1331
		1332	# TODO: safety, remove and allow resettable per-player maps
		1333	return 1e99 if $self->{path}{user_rel};
		1334	return 1e99 if $self->{deny_reset};
		1335
		1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1338
		1339	$time + $to
		1340	}
		1341
		1342	sub should_reset {
		1343	my ($self) = @_;
		1344
		1345	$self->reset_at <= $cf::RUNTIME
		1346	}
		1347
		1348	sub unlink_save {
		1349	my ($self) = @_;
		1350
		1351	utf8::encode (my $save = $self->{path}->save_path);
		1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1354	}
		1355
		1356	sub rename {
		1357	my ($self, $new_path) = @_;
		1358
		1359	$self->unlink_save;
		1360
		1361	delete $cf::MAP{$self->path};
		1362	$self->{path} = new cf::path $new_path;
		1363	$self->path ($self->{path}->as_string);
		1364	$cf::MAP{$self->path} = $self;
		1365
		1366	$self->save;
		1367	}
		1368
		1369	sub reset {
		1370	my ($self) = @_;
		1371
		1372	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1373
		1374	return if $self->players;
		1375	return if $self->{path}{user_rel};#d#
		1376
		1377	warn "resetting map ", $self->path;#d#
		1378
		1379	delete $cf::MAP{$self->path};
		1380
		1381	$_->clear_links_to ($self) for values %cf::MAP;
		1382
		1383	$self->unlink_save;
		1384	$self->destroy;
		1385	}
		1386
		1387	my $nuke_counter = "aaaa";
		1388
		1389	sub nuke {
		1390	my ($self) = @_;
		1391
		1392	$self->{deny_save} = 1;
		1393	$self->reset_timeout (1);
		1394	$self->rename ("{nuke}/" . ($nuke_counter++));
		1395	$self->reset; # polite request, might not happen
		1396	}
		1397
		1398	sub customise_for {
		1399	my ($map, $ob) = @_;
		1400
		1401	if ($map->per_player) {
		1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1403	}
		1404
		1405	$map
		1406	}
		1407
		1408	sub emergency_save {
		1409	my $freeze_guard = cf::freeze_mainloop;
		1410
		1411	warn "enter emergency map save\n";
		1412
		1413	cf::sync_job {
		1414	warn "begin emergency map save\n";
		1415	$_->save for values %cf::MAP;
		1416	};
		1417
		1418	warn "end emergency map save\n";
		1419	}
		1420
		1421	package cf;
		1422
		1423	=back
		1424
		1425
785	=head3 cf::object::player	1426	=head3 cf::object::player
786		1427
787	=over 4	1428	=over 4
788		1429
789	=item $player_object->reply ($npc, $msg[, $flags])	1430	=item $player_object->reply ($npc, $msg[, $flags])
…		…
824	(ref $cf::CFG{"may_$access"}	1465	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1466	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	1467	: $cf::CFG{"may_$access"})
827	}	1468	}
828		1469
		1470	=item $player_object->enter_link
		1471
		1472	Freezes the player and moves him/her to a special map (C<{link}>).
		1473
		1474	The player should be reaosnably safe there for short amounts of time. You
		1475	I<MUST> call C<leave_link> as soon as possible, though.
		1476
		1477	=item $player_object->leave_link ($map, $x, $y)
		1478
		1479	Moves the player out of the specila link map onto the given map. If the
		1480	map is not valid (or omitted), the player will be moved back to the
		1481	location he/she was before the call to C<enter_link>, or, if that fails,
		1482	to the emergency map position.
		1483
		1484	Might block.
		1485
		1486	=cut
		1487
		1488	sub cf::object::player::enter_link {
		1489	my ($self) = @_;
		1490
		1491	$self->deactivate_recursive;
		1492
		1493	return if $self->map == $LINK_MAP;
		1494
		1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1496	if $self->map;
		1497
		1498	$self->enter_map ($LINK_MAP, 20, 20);
		1499	}
		1500
		1501	sub cf::object::player::leave_link {
		1502	my ($self, $map, $x, $y) = @_;
		1503
		1504	my $link_pos = delete $self->{_link_pos};
		1505
		1506	unless ($map) {
		1507	# restore original map position
		1508	($map, $x, $y) = @{ $link_pos || [] };
		1509	$map = cf::map::find $map;
		1510
		1511	unless ($map) {
		1512	($map, $x, $y) = @$EMERGENCY_POSITION;
		1513	$map = cf::map::find $map
		1514	or die "FATAL: cannot load emergency map\n";
		1515	}
		1516	}
		1517
		1518	($x, $y) = (-1, -1)
		1519	unless (defined $x) && (defined $y);
		1520
		1521	# use -1 or undef as default coordinates, not 0, 0
		1522	($x, $y) = ($map->enter_x, $map->enter_y)
		1523	if $x <=0 && $y <= 0;
		1524
		1525	$map->load;
		1526
		1527	$self->activate_recursive;
		1528	$self->enter_map ($map, $x, $y);
		1529	}
		1530
		1531	cf::player->attach (
		1532	on_logout => sub {
		1533	my ($pl) = @_;
		1534
		1535	# abort map switching before logout
		1536	if ($pl->ob->{_link_pos}) {
		1537	cf::sync_job {
		1538	$pl->ob->leave_link
		1539	};
		1540	}
		1541	},
		1542	on_login => sub {
		1543	my ($pl) = @_;
		1544
		1545	# try to abort aborted map switching on player login :)
		1546	# should happen only on crashes
		1547	if ($pl->ob->{_link_pos}) {
		1548
		1549	$pl->ob->enter_link;
		1550	(Coro::async_pool {
		1551	# we need this sleep as the login has a concurrent enter_exit running
		1552	# and this sleep increases chances of the player not ending up in scorn
		1553	Coro::Timer::sleep 1;
		1554	$pl->ob->leave_link;
		1555	})->prio (2);
		1556	}
		1557	},
		1558	);
		1559
		1560	=item $player_object->goto ($path, $x, $y)
		1561
		1562	=cut
		1563
		1564	sub cf::object::player::goto {
		1565	my ($self, $path, $x, $y) = @_;
		1566
		1567	$self->enter_link;
		1568
		1569	(Coro::async_pool {
		1570	$path = new cf::path $path;
		1571
		1572	my $map = cf::map::find $path->as_string;
		1573	$map = $map->customise_for ($self) if $map;
		1574
		1575	# warn "entering ", $map->path, " at ($x, $y)\n"
		1576	# if $map;
		1577
		1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1579
		1580	$self->leave_link ($map, $x, $y);
		1581	})->prio (1);
		1582	}
		1583
		1584	=item $player_object->enter_exit ($exit_object)
		1585
		1586	=cut
		1587
		1588	sub parse_random_map_params {
		1589	my ($spec) = @_;
		1590
		1591	my $rmp = { # defaults
		1592	xsize => 10,
		1593	ysize => 10,
		1594	};
		1595
		1596	for (split /\n/, $spec) {
		1597	my ($k, $v) = split /\s+/, $_, 2;
		1598
		1599	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1600	}
		1601
		1602	$rmp
		1603	}
		1604
		1605	sub prepare_random_map {
		1606	my ($exit) = @_;
		1607
		1608	# all this does is basically replace the /! path by
		1609	# a new random map path (?random/...) with a seed
		1610	# that depends on the exit object
		1611
		1612	my $rmp = parse_random_map_params $exit->msg;
		1613
		1614	if ($exit->map) {
		1615	$rmp->{region} = $exit->map->region_name;
		1616	$rmp->{origin_map} = $exit->map->path;
		1617	$rmp->{origin_x} = $exit->x;
		1618	$rmp->{origin_y} = $exit->y;
		1619	}
		1620
		1621	$rmp->{random_seed} ||= $exit->random_seed;
		1622
		1623	my $data = cf::to_json $rmp;
		1624	my $md5 = Digest::MD5::md5_hex $data;
		1625
		1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1627	aio_write $fh, 0, (length $data), $data, 0;
		1628
		1629	$exit->slaying ("?random/$md5");
		1630	$exit->msg (undef);
		1631	}
		1632	}
		1633
		1634	sub cf::object::player::enter_exit {
		1635	my ($self, $exit) = @_;
		1636
		1637	return unless $self->type == cf::PLAYER;
		1638
		1639	$self->enter_link;
		1640
		1641	(Coro::async_pool {
		1642	$self->deactivate_recursive; # just to be sure
		1643	unless (eval {
		1644	prepare_random_map $exit
		1645	if $exit->slaying eq "/!";
		1646
		1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1649
		1650	1;
		1651	}) {
		1652	$self->message ("Something went wrong deep within the crossfire server. "
		1653	. "I'll try to bring you back to the map you were before. "
		1654	. "Please report this to the dungeon master",
		1655	cf::NDI_UNIQUE | cf::NDI_RED);
		1656
		1657	warn "ERROR in enter_exit: $@";
		1658	$self->leave_link;
		1659	}
		1660	})->prio (1);
		1661	}
		1662
829	=head3 cf::client	1663	=head3 cf::client
830		1664
831	=over 4	1665	=over 4
832		1666
833	=item $client->send_drawinfo ($text, $flags)	1667	=item $client->send_drawinfo ($text, $flags)
…		…
876	on_reply => sub {	1710	on_reply => sub {
877	my ($ns, $msg) = @_;	1711	my ($ns, $msg) = @_;
878		1712
879	# this weird shuffling is so that direct followup queries	1713	# this weird shuffling is so that direct followup queries
880	# get handled first	1714	# get handled first
881	my $queue = delete $ns->{query_queue};	1715	my $queue = delete $ns->{query_queue}
		1716	or return; # be conservative, not sure how that can happen, but we saw a crash here
882		1717
883	(shift @$queue)->[1]->($msg);	1718	(shift @$queue)->[1]->($msg);
884		1719
885	push @{ $ns->{query_queue} }, @$queue;	1720	push @{ $ns->{query_queue} }, @$queue;
886		1721
…		…
903	=cut	1738	=cut
904		1739
905	sub cf::client::coro {	1740	sub cf::client::coro {
906	my ($self, $cb) = @_;	1741	my ($self, $cb) = @_;
907		1742
908	my $coro; $coro = async {	1743	my $coro = &Coro::async_pool ($cb);
909	eval {	1744
910	$cb->();	1745	$coro->on_destroy (sub {
911	};
912	warn $@ if $@;
913	delete $self->{_coro}{$coro+0};	1746	delete $self->{_coro}{$coro+0};
914	};	1747	});
915		1748
916	$self->{_coro}{$coro+0} = $coro;	1749	$self->{_coro}{$coro+0} = $coro;
		1750
		1751	$coro
917	}	1752	}
918		1753
919	cf::client->attach (	1754	cf::client->attach (
920	on_destroy => sub {	1755	on_destroy => sub {
921	my ($ns) = @_;	1756	my ($ns) = @_;
…		…
1085		1920
1086	{	1921	{
1087	my $path = cf::localdir . "/database.pst";	1922	my $path = cf::localdir . "/database.pst";
1088		1923
1089	sub db_load() {	1924	sub db_load() {
1090	warn "loading database $path\n";#d# remove later
1091	$DB = stat $path ? Storable::retrieve $path : { };	1925	$DB = stat $path ? Storable::retrieve $path : { };
1092	}	1926	}
1093		1927
1094	my $pid;	1928	my $pid;
1095		1929
1096	sub db_save() {	1930	sub db_save() {
1097	warn "saving database $path\n";#d# remove later
1098	waitpid $pid, 0 if $pid;	1931	waitpid $pid, 0 if $pid;
1099	if (0 == ($pid = fork)) {	1932	if (0 == ($pid = fork)) {
1100	$DB->{_meta}{version} = 1;	1933	$DB->{_meta}{version} = 1;
1101	Storable::nstore $DB, "$path~";	1934	Storable::nstore $DB, "$path~";
1102	rename "$path~", $path;	1935	rename "$path~", $path;
…		…
1150	open my $fh, "<:utf8", cf::confdir . "/config"	1983	open my $fh, "<:utf8", cf::confdir . "/config"
1151	or return;	1984	or return;
1152		1985
1153	local $/;	1986	local $/;
1154	*CFG = YAML::Syck::Load <$fh>;	1987	*CFG = YAML::Syck::Load <$fh>;
		1988
		1989	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		1990
		1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		1993
		1994	if (exists $CFG{mlockall}) {
		1995	eval {
		1996	$CFG{mlockall} ? &mlockall : &munlockall
		1997	and die "WARNING: m(un)lockall failed: $!\n";
		1998	};
		1999	warn $@ if $@;
		2000	}
1155	}	2001	}
1156		2002
1157	sub main {	2003	sub main {
		2004	# we must not ever block the main coroutine
		2005	local $Coro::idle = sub {
		2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2007	Coro::async_pool { Event::one_event };
		2008	};
		2009
1158	cfg_load;	2010	cfg_load;
1159	db_load;	2011	db_load;
1160	load_extensions;	2012	load_extensions;
1161	Event::loop;	2013	Event::loop;
1162	}	2014	}
1163		2015
1164	#############################################################################	2016	#############################################################################
1165	# initialisation	2017	# initialisation
1166		2018
1167	sub _perl_reload(&) {	2019	sub reload() {
1168	my ($msg) = @_;	2020	# can/must only be called in main
		2021	if ($Coro::current != $Coro::main) {
		2022	warn "can only reload from main coroutine\n";
		2023	return;
		2024	}
1169		2025
1170	$msg->("reloading...");	2026	warn "reloading...";
		2027
		2028	my $guard = freeze_mainloop;
		2029	cf::emergency_save;
1171		2030
1172	eval {	2031	eval {
		2032	# if anything goes wrong in here, we should simply crash as we already saved
		2033
1173	# cancel all watchers	2034	# cancel all watchers
1174	for (Event::all_watchers) {	2035	for (Event::all_watchers) {
1175	$_->cancel if $_->data & WF_AUTOCANCEL;	2036	$_->cancel if $_->data & WF_AUTOCANCEL;
1176	}	2037	}
1177		2038
		2039	# cancel all extension coros
		2040	$_->cancel for values %EXT_CORO;
		2041	%EXT_CORO = ();
		2042
1178	# unload all extensions	2043	# unload all extensions
1179	for (@exts) {	2044	for (@exts) {
1180	$msg->("unloading <$_>");	2045	warn "unloading <$_>";
1181	unload_extension $_;	2046	unload_extension $_;
1182	}	2047	}
1183		2048
1184	# unload all modules loaded from $LIBDIR	2049	# unload all modules loaded from $LIBDIR
1185	while (my ($k, $v) = each %INC) {	2050	while (my ($k, $v) = each %INC) {
1186	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1187		2052
1188	$msg->("removing <$k>");	2053	warn "removing <$k>";
1189	delete $INC{$k};	2054	delete $INC{$k};
1190		2055
1191	$k =~ s/\.pm$//;	2056	$k =~ s/\.pm$//;
1192	$k =~ s/\//::/g;	2057	$k =~ s/\//::/g;
1193		2058
…		…
1198	Symbol::delete_package $k;	2063	Symbol::delete_package $k;
1199	}	2064	}
1200		2065
1201	# sync database to disk	2066	# sync database to disk
1202	cf::db_sync;	2067	cf::db_sync;
		2068	IO::AIO::flush;
1203		2069
1204	# get rid of safe::, as good as possible	2070	# get rid of safe::, as good as possible
1205	Symbol::delete_package "safe::$_"	2071	Symbol::delete_package "safe::$_"
1206	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1207		2073
1208	# remove register_script_function callbacks	2074	# remove register_script_function callbacks
1209	# TODO	2075	# TODO
1210		2076
1211	# unload cf.pm "a bit"	2077	# unload cf.pm "a bit"
…		…
1214	# don't, removes xs symbols, too,	2080	# don't, removes xs symbols, too,
1215	# and global variables created in xs	2081	# and global variables created in xs
1216	#Symbol::delete_package __PACKAGE__;	2082	#Symbol::delete_package __PACKAGE__;
1217		2083
1218	# reload cf.pm	2084	# reload cf.pm
1219	$msg->("reloading cf.pm");	2085	warn "reloading cf.pm";
1220	require cf;	2086	require cf;
		2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1221		2088
1222	# load config and database again	2089	# load config and database again
1223	cf::cfg_load;	2090	cf::cfg_load;
1224	cf::db_load;	2091	cf::db_load;
1225		2092
1226	# load extensions	2093	# load extensions
1227	$msg->("load extensions");	2094	warn "load extensions";
1228	cf::load_extensions;	2095	cf::load_extensions;
1229		2096
1230	# reattach attachments to objects	2097	# reattach attachments to objects
1231	$msg->("reattach");	2098	warn "reattach";
1232	_global_reattach;	2099	_global_reattach;
1233	};	2100	};
1234	$msg->($@) if $@;
1235		2101
1236	$msg->("reloaded");	2102	if ($@) {
		2103	warn $@;
		2104	warn "error while reloading, exiting.";
		2105	exit 1;
		2106	}
		2107
		2108	warn "reloaded successfully";
1237	};	2109	};
1238		2110
1239	sub perl_reload() {	2111	#############################################################################
1240	_perl_reload {	2112
1241	warn $_[0];	2113	unless ($LINK_MAP) {
1242	print "$_[0]\n";	2114	$LINK_MAP = cf::map::new;
1243	};	2115
		2116	$LINK_MAP->width (41);
		2117	$LINK_MAP->height (41);
		2118	$LINK_MAP->alloc;
		2119	$LINK_MAP->path ("{link}");
		2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2122
		2123	# dirty hack because... archetypes are not yet loaded
		2124	Event->timer (
		2125	after => 2,
		2126	cb => sub {
		2127	$_[0]->w->cancel;
		2128
		2129	# provide some exits "home"
		2130	my $exit = cf::object::new "exit";
		2131
		2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2135
		2136	$LINK_MAP->insert ($exit->clone, 19, 19);
		2137	$LINK_MAP->insert ($exit->clone, 19, 20);
		2138	$LINK_MAP->insert ($exit->clone, 19, 21);
		2139	$LINK_MAP->insert ($exit->clone, 20, 19);
		2140	$LINK_MAP->insert ($exit->clone, 20, 21);
		2141	$LINK_MAP->insert ($exit->clone, 21, 19);
		2142	$LINK_MAP->insert ($exit->clone, 21, 20);
		2143	$LINK_MAP->insert ($exit->clone, 21, 21);
		2144
		2145	$exit->destroy;
		2146	});
		2147
		2148	$LINK_MAP->{deny_save} = 1;
		2149	$LINK_MAP->{deny_reset} = 1;
		2150
		2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1244	}	2152	}
1245		2153
1246	register "<global>", __PACKAGE__;	2154	register "<global>", __PACKAGE__;
1247		2155
1248	register_command "perl-reload" => sub {	2156	register_command "reload" => sub {
1249	my ($who, $arg) = @_;	2157	my ($who, $arg) = @_;
1250		2158
1251	if ($who->flag (FLAG_WIZ)) {	2159	if ($who->flag (FLAG_WIZ)) {
1252	_perl_reload {	2160	$who->message ("start of reload.");
1253	warn $_[0];	2161	reload;
1254	$who->message ($_[0]);	2162	$who->message ("end of reload.");
1255	};
1256	}	2163	}
1257	};	2164	};
1258		2165
1259	unshift @INC, $LIBDIR;	2166	unshift @INC, $LIBDIR;
1260		2167
1261	$TICK_WATCHER = Event->timer (	2168	$TICK_WATCHER = Event->timer (
		2169	reentrant => 0,
1262	prio => 0,	2170	prio => 0,
1263	at => $NEXT_TICK || 1,	2171	at => $NEXT_TICK || $TICK,
1264	data => WF_AUTOCANCEL,	2172	data => WF_AUTOCANCEL,
1265	cb => sub {	2173	cb => sub {
1266	cf::server_tick; # one server iteration	2174	cf::server_tick; # one server iteration
1267		2175	$RUNTIME += $TICK;
1268	my $NOW = Event::time;
1269	$NEXT_TICK += $TICK;	2176	$NEXT_TICK += $TICK;
1270		2177
1271	# if we are delayed by four ticks or more, skip them all	2178	# if we are delayed by four ticks or more, skip them all
1272	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1273		2180
1274	$TICK_WATCHER->at ($NEXT_TICK);	2181	$TICK_WATCHER->at ($NEXT_TICK);
1275	$TICK_WATCHER->start;	2182	$TICK_WATCHER->start;
1276	},	2183	},
1277	);	2184	);
1278		2185
1279	IO::AIO::max_poll_time $TICK * 0.2;	2186	IO::AIO::max_poll_time $TICK * 0.2;
1280		2187
		2188	Event->io (
1281	Event->io (fd => IO::AIO::poll_fileno,	2189	fd => IO::AIO::poll_fileno,
1282	poll => 'r',	2190	poll => 'r',
1283	prio => 5,	2191	prio => 5,
1284	data => WF_AUTOCANCEL,	2192	data => WF_AUTOCANCEL,
1285	cb => \&IO::AIO::poll_cb);	2193	cb => \&IO::AIO::poll_cb,
		2194	);
		2195
		2196	Event->timer (
		2197	data => WF_AUTOCANCEL,
		2198	after => 0,
		2199	interval => 10,
		2200	cb => sub {
		2201	(Coro::unblock_sub {
		2202	write_runtime
		2203	or warn "ERROR: unable to write runtime file: $!";
		2204	})->();
		2205	},
		2206	);
		2207
		2208	END { cf::emergency_save }
1286		2209
1287	1	2210	1
1288		2211

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