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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.97 by root, Fri Dec 22 06:03:20 2006 UTC vs.
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18
19	use IO::AIO;	18	use Coro::AIO;
		19
		20	use Digest::MD5;
		21	use Fcntl;
		22	use IO::AIO 2.31 ();
20	use YAML::Syck ();	23	use YAML::Syck ();
21	use Time::HiRes;	24	use Time::HiRes;
22		25
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
24		27
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
27		30
28	$Coro::main->prio (Coro::PRIO_MIN);	31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
29		32
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		34
32	our %COMMAND = ();	35	our %COMMAND = ();
33	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
34	our %EXTCMD = ();	37	our %EXTCMD = ();
35		38
36	_init_vars;
37
38	our @EVENT;	39	our @EVENT;
39	our $LIBDIR = datadir . "/ext";	40	our $LIBDIR = datadir . "/ext";
40		41
41	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
42	our $TICK_WATCHER;	43	our $TICK_WATCHER;
43	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
44		46
45	our %CFG;	47	our %CFG;
46		48
47	our $UPTIME; $UPTIME ||= time;	49	our $UPTIME; $UPTIME ||= time;
		50	our $RUNTIME;
		51
		52	our %MAP; # all maps
		53	our $LINK_MAP; # the special {link} map
		54	our $FREEZE;
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO;
		57
		58	binmode STDOUT;
		59	binmode STDERR;
		60
		61	# read virtual server time, if available
		62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		63	open my $fh, "<", cf::localdir . "/runtime"
		64	or die "unable to read runtime file: $!";
		65	$RUNTIME = <$fh> + 0.;
		66	}
		67
		68	mkdir cf::localdir;
		69	mkdir cf::localdir . "/" . cf::playerdir;
		70	mkdir cf::localdir . "/" . cf::tmpdir;
		71	mkdir cf::localdir . "/" . cf::uniquedir;
		72	mkdir $RANDOM_MAPS;
		73
		74	# a special map that is always available
		75	our $LINK_MAP;
		76
		77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
48		78
49	#############################################################################	79	#############################################################################
50		80
51	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
52		82
53	=over 4	83	=over 4
54		84
55	=item $cf::UPTIME	85	=item $cf::UPTIME
56		86
57	The timestamp of the server start (so not actually an uptime).	87	The timestamp of the server start (so not actually an uptime).
		88
		89	=item $cf::RUNTIME
		90
		91	The time this server has run, starts at 0 and is increased by $cf::TICK on
		92	every server tick.
58		93
59	=item $cf::LIBDIR	94	=item $cf::LIBDIR
60		95
61	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
62	be found. It will be added to C<@INC> automatically.	97	be found. It will be added to C<@INC> automatically.
		98
		99	=item $cf::NOW
		100
		101	The time of the last (current) server tick.
63		102
64	=item $cf::TICK	103	=item $cf::TICK
65		104
66	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
67		106
…		…
75	=cut	114	=cut
76		115
77	BEGIN {	116	BEGIN {
78	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
79	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
80	$msg .= "\n"	121	$msg .= "\n"
81	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
82		123
83	print STDERR "cfperl: $msg";
84	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
85	};	125	};
86	}	126	}
87		127
88	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
93	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
94		134
95	# we bless all objects into (empty) derived classes to force a method lookup	135	# we bless all objects into (empty) derived classes to force a method lookup
96	# within the Safe compartment.	136	# within the Safe compartment.
97	for my $pkg (qw(	137	for my $pkg (qw(
98	cf::global	138	cf::global cf::attachable
99	cf::object cf::object::player	139	cf::object cf::object::player
100	cf::client cf::player	140	cf::client cf::player
101	cf::arch cf::living	141	cf::arch cf::living
102	cf::map cf::party cf::region	142	cf::map cf::party cf::region
103	)) {	143	)) {
…		…
141	sub to_json($) {	181	sub to_json($) {
142	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
143	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
144	}	184	}
145		185
		186	=item my $guard = cf::guard { BLOCK }
		187
		188	Run the given callback when the guard object gets destroyed (useful for
		189	coroutine cancellations).
		190
		191	You can call C<< ->cancel >> on the guard object to stop the block from
		192	being executed.
		193
		194	=cut
		195
		196	sub guard(&) {
		197	bless \(my $cb = $_[0]), cf::guard::;
		198	}
		199
		200	sub cf::guard::cancel {
		201	${$_[0]} = sub { };
		202	}
		203
		204	sub cf::guard::DESTROY {
		205	${$_[0]}->();
		206	}
		207
		208	=item cf::lock_wait $string
		209
		210	Wait until the given lock is available. See cf::lock_acquire.
		211
		212	=item my $lock = cf::lock_acquire $string
		213
		214	Wait until the given lock is available and then acquires it and returns
		215	a guard object. If the guard object gets destroyed (goes out of scope,
		216	for example when the coroutine gets canceled), the lock is automatically
		217	returned.
		218
		219	Lock names should begin with a unique identifier (for example, find_map
		220	uses map_find and load_map uses map_load).
		221
		222	=cut
		223
		224	our %LOCK;
		225
		226	sub lock_wait($) {
		227	my ($key) = @_;
		228
		229	# wait for lock, if any
		230	while ($LOCK{$key}) {
		231	push @{ $LOCK{$key} }, $Coro::current;
		232	Coro::schedule;
		233	}
		234	}
		235
		236	sub lock_acquire($) {
		237	my ($key) = @_;
		238
		239	# wait, to be sure we are not locked
		240	lock_wait $key;
		241
		242	$LOCK{$key} = [];
		243
		244	cf::guard {
		245	# wake up all waiters, to be on the safe side
		246	$_->ready for @{ delete $LOCK{$key} };
		247	}
		248	}
		249
		250	=item cf::async { BLOCK }
		251
		252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
		253	error instead of exiting the server in case of a problem.
		254
		255	=cut
		256
		257	sub async(&) {
		258	my ($cb) = @_;
		259
		260	Coro::async {
		261	eval { $cb->() };
		262	warn $@ if $@;
		263	}
		264	}
		265
		266	=item cf::sync_job { BLOCK }
		267
		268	The design of crossfire+ requires that the main coro ($Coro::main) is
		269	always able to handle events or runnable, as crossfire+ is only partly
		270	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		271
		272	If it must be done, put the blocking parts into C<sync_job>. This will run
		273	the given BLOCK in another coroutine while waiting for the result. The
		274	server will be frozen during this time, so the block should either finish
		275	fast or be very important.
		276
		277	=cut
		278
		279	sub sync_job(&) {
		280	my ($job) = @_;
		281
		282	if ($Coro::current == $Coro::main) {
		283	# this is the main coro, too bad, we have to block
		284	# till the operation succeeds, freezing the server :/
		285
		286	# TODO: use suspend/resume instead
		287	# (but this is cancel-safe)
		288	local $FREEZE = 1;
		289
		290	my $busy = 1;
		291	my @res;
		292
		293	(Coro::async {
		294	@res = eval { $job->() };
		295	warn $@ if $@;
		296	undef $busy;
		297	})->prio (Coro::PRIO_MAX);
		298
		299	while ($busy) {
		300	Coro::cede_notself;
		301	Event::one_event unless Coro::nready;
		302	}
		303
		304	wantarray ? @res : $res[0]
		305	} else {
		306	# we are in another coroutine, how wonderful, everything just works
		307
		308	$job->()
		309	}
		310	}
		311
		312	=item $coro = cf::coro { BLOCK }
		313
		314	Creates and returns a new coro. This coro is automcatially being canceled
		315	when the extension calling this is being unloaded.
		316
		317	=cut
		318
		319	sub coro(&) {
		320	my $cb = shift;
		321
		322	my $coro = &cf::async ($cb);
		323
		324	$coro->on_destroy (sub {
		325	delete $EXT_CORO{$coro+0};
		326	});
		327	$EXT_CORO{$coro+0} = $coro;
		328
		329	$coro
		330	}
		331
		332	sub write_runtime {
		333	my $runtime = cf::localdir . "/runtime";
		334
		335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		336	or return;
		337
		338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		340	and return;
		341
		342	aio_fsync $fh
		343	and return;
		344
		345	close $fh
		346	or return;
		347
		348	aio_rename "$runtime~", $runtime
		349	and return;
		350
		351	1
		352	}
		353
146	=back	354	=back
147		355
148	=cut	356	=cut
		357
		358	#############################################################################
		359
		360	package cf::path;
		361
		362	sub new {
		363	my ($class, $path, $base) = @_;
		364
		365	$path = $path->as_string if ref $path;
		366
		367	my $self = bless { }, $class;
		368
		369	# {... are special paths that are not touched
		370	# ?xxx/... are special absolute paths
		371	# ?random/... random maps
		372	# /! non-realised random map exit
		373	# /... normal maps
		374	# ~/... per-player maps without a specific player (DO NOT USE)
		375	# ~user/... per-player map of a specific user
		376
		377	if ($path =~ /^{/) {
		378	# fine as it is
		379	} elsif ($path =~ s{^\?random/}{}) {
		380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		381	$self->{random} = cf::from_json $data;
		382	} else {
		383	if ($path =~ s{^~([^/]+)?}{}) {
		384	$self->{user_rel} = 1;
		385
		386	if (defined $1) {
		387	$self->{user} = $1;
		388	} elsif ($base =~ m{^~([^/]+)/}) {
		389	$self->{user} = $1;
		390	} else {
		391	warn "cannot resolve user-relative path without user <$path,$base>\n";
		392	}
		393	} elsif ($path =~ /^\//) {
		394	# already absolute
		395	} else {
		396	$base =~ s{[^/]+/?$}{};
		397	return $class->new ("$base/$path");
		398	}
		399
		400	for ($path) {
		401	redo if s{/\.?/}{/};
		402	redo if s{/[^/]+/\.\./}{/};
		403	}
		404	}
		405
		406	$self->{path} = $path;
		407
		408	$self
		409	}
		410
		411	# the name / primary key / in-game path
		412	sub as_string {
		413	my ($self) = @_;
		414
		415	$self->{user_rel} ? "~$self->{user}$self->{path}"
		416	: $self->{random} ? "?random/$self->{path}"
		417	: $self->{path}
		418	}
		419
		420	# the displayed name, this is a one way mapping
		421	sub visible_name {
		422	my ($self) = @_;
		423
		424	# if (my $rmp = $self->{random}) {
		425	# # todo: be more intelligent about this
		426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		427	# } else {
		428	$self->as_string
		429	# }
		430	}
		431
		432	# escape the /'s in the path
		433	sub _escaped_path {
		434	# ∕ is U+2215
		435	(my $path = $_[0]{path}) =~ s/\//∕/g;
		436	$path
		437	}
		438
		439	# the original (read-only) location
		440	sub load_path {
		441	my ($self) = @_;
		442
		443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		444	}
		445
		446	# the temporary/swap location
		447	sub save_path {
		448	my ($self) = @_;
		449
		450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		453	}
		454
		455	# the unique path, might be eq to save_path
		456	sub uniq_path {
		457	my ($self) = @_;
		458
		459	$self->{user_rel} || $self->{random}
		460	? undef
		461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		462	}
		463
		464	# return random map parameters, or undef
		465	sub random_map_params {
		466	my ($self) = @_;
		467
		468	$self->{random}
		469	}
		470
		471	# this is somewhat ugly, but style maps do need special treatment
		472	sub is_style_map {
		473	$_[0]{path} =~ m{^/styles/}
		474	}
		475
		476	package cf;
149		477
150	#############################################################################	478	#############################################################################
151		479
152	=head2 ATTACHABLE OBJECTS	480	=head2 ATTACHABLE OBJECTS
153		481
…		…
269	exception.	597	exception.
270		598
271	=cut	599	=cut
272		600
273	# the following variables are defined in .xs and must not be re-created	601	# the following variables are defined in .xs and must not be re-created
274	our @CB_GLOBAL = (); # registry for all global events	602	our @CB_GLOBAL = (); # registry for all global events
		603	our @CB_ATTACHABLE = (); # registry for all attachables
275	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	604	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
276	our @CB_PLAYER = ();	605	our @CB_PLAYER = ();
277	our @CB_CLIENT = ();	606	our @CB_CLIENT = ();
278	our @CB_TYPE = (); # registry for type (cf-object class) based events	607	our @CB_TYPE = (); # registry for type (cf-object class) based events
279	our @CB_MAP = ();	608	our @CB_MAP = ();
280		609
281	my %attachment;	610	my %attachment;
282		611
283	sub _attach_cb($$$$) {	612	sub _attach_cb($$$$) {
284	my ($registry, $event, $prio, $cb) = @_;	613	my ($registry, $event, $prio, $cb) = @_;
…		…
289		618
290	@{$registry->[$event]} = sort	619	@{$registry->[$event]} = sort
291	{ $a->[0] cmp $b->[0] }	620	{ $a->[0] cmp $b->[0] }
292	@{$registry->[$event] || []}, $cb;	621	@{$registry->[$event] || []}, $cb;
293	}	622	}
		623
		624	# hack
		625	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
294		626
295	# attach handles attaching event callbacks	627	# attach handles attaching event callbacks
296	# the only thing the caller has to do is pass the correct	628	# the only thing the caller has to do is pass the correct
297	# registry (== where the callback attaches to).	629	# registry (== where the callback attaches to).
298	sub _attach {	630	sub _attach {
…		…
300		632
301	my $object_type;	633	my $object_type;
302	my $prio = 0;	634	my $prio = 0;
303	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	635	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
304		636
		637	#TODO: get rid of this hack
		638	if ($attachable_klass{$klass}) {
		639	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		640	}
		641
305	while (@arg) {	642	while (@arg) {
306	my $type = shift @arg;	643	my $type = shift @arg;
307		644
308	if ($type eq "prio") {	645	if ($type eq "prio") {
309	$prio = shift @arg;	646	$prio = shift @arg;
…		…
384	my ($obj, $name) = @_;	721	my ($obj, $name) = @_;
385		722
386	exists $obj->{_attachment}{$name}	723	exists $obj->{_attachment}{$name}
387	}	724	}
388		725
389	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	726	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
390	eval "#line " . __LINE__ . " 'cf.pm'	727	eval "#line " . __LINE__ . " 'cf.pm'
391	sub cf::\L$klass\E::_attach_registry {	728	sub cf::\L$klass\E::_attach_registry {
392	(\\\@CB_$klass, KLASS_$klass)	729	(\\\@CB_$klass, KLASS_$klass)
393	}	730	}
394		731
…		…
447	=cut	784	=cut
448		785
449	#############################################################################	786	#############################################################################
450	# object support	787	# object support
451		788
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 {	789	sub reattach {
		790	# basically do the same as instantiate, without calling instantiate
466	my ($obj) = @_;	791	my ($obj) = @_;
		792
467	my $registry = $obj->registry;	793	my $registry = $obj->registry;
468		794
469	@$registry = ();	795	@$registry = ();
470		796
471	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	797	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
…		…
480	warn "object uses attachment '$name' that is not available, postponing.\n";	806	warn "object uses attachment '$name' that is not available, postponing.\n";
481	}	807	}
482	}	808	}
483	}	809	}
484		810
485	sub object_freezer_save {	811	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	$$rdata . Dumper $objs
522	}
523
524	sub object_thawer_load {
525	my ($filename) = @_;
526
527	local $/;
528
529	my $av;
530
531	#TODO: use sysread etc.
532	if (open my $data, "<:raw:perlio", $filename) {
533	$data = <$data>;
534	if (open my $pst, "<:raw:perlio", "$filename.pst") {
535	$av = eval { (Storable::thaw <$pst>)->{objs} };
536	}
537	return ($data, $av);
538	}
539
540	()
541	}
542
543	cf::object->attach (
544	prio => -1000000,	812	prio => -1000000,
		813	on_instantiate => sub {
		814	my ($obj, $data) = @_;
		815
		816	$data = from_json $data;
		817
		818	for (@$data) {
		819	my ($name, $args) = @$_;
		820
		821	$obj->attach ($name, %{$args || {} });
		822	}
		823	},
		824	on_reattach => \&reattach,
545	on_clone => sub {	825	on_clone => sub {
546	my ($src, $dst) = @_;	826	my ($src, $dst) = @_;
547		827
548	@{$dst->registry} = @{$src->registry};	828	@{$dst->registry} = @{$src->registry};
549		829
…		…
551		831
552	%{$dst->{_attachment}} = %{$src->{_attachment}}	832	%{$dst->{_attachment}} = %{$src->{_attachment}}
553	if exists $src->{_attachment};	833	if exists $src->{_attachment};
554	},	834	},
555	);	835	);
		836
		837	sub object_freezer_save {
		838	my ($filename, $rdata, $objs) = @_;
		839
		840	sync_job {
		841	if (length $$rdata) {
		842	warn sprintf "saving %s (%d,%d)\n",
		843	$filename, length $$rdata, scalar @$objs;
		844
		845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		846	chmod SAVE_MODE, $fh;
		847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		848	aio_fsync $fh;
		849	close $fh;
		850
		851	if (@$objs) {
		852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		853	chmod SAVE_MODE, $fh;
		854	my $data = Storable::nfreeze { version => 1, objs => $objs };
		855	aio_write $fh, 0, (length $data), $data, 0;
		856	aio_fsync $fh;
		857	close $fh;
		858	aio_rename "$filename.pst~", "$filename.pst";
		859	}
		860	} else {
		861	aio_unlink "$filename.pst";
		862	}
		863
		864	aio_rename "$filename~", $filename;
		865	} else {
		866	warn "FATAL: $filename~: $!\n";
		867	}
		868	} else {
		869	aio_unlink $filename;
		870	aio_unlink "$filename.pst";
		871	}
		872	}
		873	}
		874
		875	sub object_freezer_as_string {
		876	my ($rdata, $objs) = @_;
		877
		878	use Data::Dumper;
		879
		880	$$rdata . Dumper $objs
		881	}
		882
		883	sub object_thawer_load {
		884	my ($filename) = @_;
		885
		886	my ($data, $av);
		887
		888	(aio_load $filename, $data) >= 0
		889	or return;
		890
		891	unless (aio_stat "$filename.pst") {
		892	(aio_load "$filename.pst", $av) >= 0
		893	or return;
		894	$av = eval { (Storable::thaw $av)->{objs} };
		895	}
		896
		897	warn sprintf "loading %s (%d)\n",
		898	$filename, length $data, scalar @{$av || []};#d#
		899	return ($data, $av);
		900	}
556		901
557	#############################################################################	902	#############################################################################
558	# command handling &c	903	# command handling &c
559		904
560	=item cf::register_command $name => \&callback($ob,$args);	905	=item cf::register_command $name => \&callback($ob,$args);
…		…
780	$self->send ("ext " . to_json \%msg);	1125	$self->send ("ext " . to_json \%msg);
781	}	1126	}
782		1127
783	=back	1128	=back
784		1129
		1130
		1131	=head3 cf::map
		1132
		1133	=over 4
		1134
		1135	=cut
		1136
		1137	package cf::map;
		1138
		1139	use Fcntl;
		1140	use Coro::AIO;
		1141
		1142	our $MAX_RESET = 7200;
		1143	our $DEFAULT_RESET = 3600;
		1144
		1145	sub generate_random_map {
		1146	my ($path, $rmp) = @_;
		1147
		1148	# mit "rum" bekleckern, nicht
		1149	cf::map::_create_random_map
		1150	$path,
		1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1154	$rmp->{exit_on_final_map},
		1155	$rmp->{xsize}, $rmp->{ysize},
		1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1161	(cf::region::find $rmp->{region})
		1162	}
		1163
		1164	# and all this just because we cannot iterate over
		1165	# all maps in C++...
		1166	sub change_all_map_light {
		1167	my ($change) = @_;
		1168
		1169	$_->change_map_light ($change)
		1170	for grep $_->outdoor, values %cf::MAP;
		1171	}
		1172
		1173	sub try_load_header($) {
		1174	my ($path) = @_;
		1175
		1176	utf8::encode $path;
		1177	aio_open $path, O_RDONLY, 0
		1178	or return;
		1179
		1180	my $map = cf::map::new
		1181	or return;
		1182
		1183	$map->load_header ($path)
		1184	or return;
		1185
		1186	$map->{load_path} = $path;
		1187
		1188	$map
		1189	}
		1190
		1191	sub find_map;
		1192	sub find_map {
		1193	my ($path, $origin) = @_;
		1194
		1195	#warn "find_map<$path,$origin>\n";#d#
		1196
		1197	$path = new cf::path $path, $origin && $origin->path;
		1198	my $key = $path->as_string;
		1199
		1200	cf::lock_wait "map_find:$key";
		1201
		1202	$cf::MAP{$key} || do {
		1203	my $guard = cf::lock_acquire "map_find:$key";
		1204
		1205	# do it the slow way
		1206	my $map = try_load_header $path->save_path;
		1207
		1208	if ($map) {
		1209	# safety
		1210	$map->{instantiate_time} = $cf::RUNTIME
		1211	if $map->{instantiate_time} > $cf::RUNTIME;
		1212	} else {
		1213	if (my $rmp = $path->random_map_params) {
		1214	$map = generate_random_map $key, $rmp;
		1215	} else {
		1216	$map = try_load_header $path->load_path;
		1217	}
		1218
		1219	$map or return;
		1220
		1221	$map->{load_original} = 1;
		1222	$map->{instantiate_time} = $cf::RUNTIME;
		1223	$map->instantiate;
		1224
		1225	# per-player maps become, after loading, normal maps
		1226	$map->per_player (0) if $path->{user_rel};
		1227	}
		1228
		1229	$map->path ($key);
		1230	$map->{path} = $path;
		1231	$map->{last_save} = $cf::RUNTIME;
		1232	$map->last_access ($cf::RUNTIME);
		1233
		1234	if ($map->should_reset) {
		1235	$map->reset;
		1236	undef $guard;
		1237	$map = find_map $path
		1238	or return;
		1239	}
		1240
		1241	$cf::MAP{$key} = $map
		1242	}
		1243	}
		1244
		1245	sub load {
		1246	my ($self) = @_;
		1247
		1248	my $path = $self->{path};
		1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1250
		1251	return if $self->in_memory != cf::MAP_SWAPPED;
		1252
		1253	$self->in_memory (cf::MAP_LOADING);
		1254
		1255	$self->alloc;
		1256	$self->load_objects ($self->{load_path}, 1)
		1257	or return;
		1258
		1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1260	if delete $self->{load_original};
		1261
		1262	if (my $uniq = $path->uniq_path) {
		1263	utf8::encode $uniq;
		1264	if (aio_open $uniq, O_RDONLY, 0) {
		1265	$self->clear_unique_items;
		1266	$self->load_objects ($uniq, 0);
		1267	}
		1268	}
		1269
		1270	# now do the right thing for maps
		1271	$self->link_multipart_objects;
		1272
		1273	if ($self->{path}->is_style_map) {
		1274	$self->{deny_save} = 1;
		1275	$self->{deny_reset} = 1;
		1276	} else {
		1277	$self->fix_auto_apply;
		1278	$self->decay_objects;
		1279	$self->update_buttons;
		1280	$self->set_darkness_map;
		1281	$self->difficulty ($self->estimate_difficulty)
		1282	unless $self->difficulty;
		1283	$self->activate;
		1284	}
		1285
		1286	$self->in_memory (cf::MAP_IN_MEMORY);
		1287	}
		1288
		1289	sub load_map_sync {
		1290	my ($path, $origin) = @_;
		1291
		1292	#warn "load_map_sync<$path, $origin>\n";#d#
		1293
		1294	cf::sync_job {
		1295	my $map = cf::map::find_map $path, $origin
		1296	or return;
		1297	$map->load;
		1298	$map
		1299	}
		1300	}
		1301
		1302	sub save {
		1303	my ($self) = @_;
		1304
		1305	$self->{last_save} = $cf::RUNTIME;
		1306
		1307	return unless $self->dirty;
		1308
		1309	my $save = $self->{path}->save_path; utf8::encode $save;
		1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1311
		1312	$self->{load_path} = $save;
		1313
		1314	return if $self->{deny_save};
		1315
		1316	if ($uniq) {
		1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1318	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1319	} else {
		1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1321	}
		1322	}
		1323
		1324	sub swap_out {
		1325	my ($self) = @_;
		1326
		1327	# save first because save cedes
		1328	$self->save;
		1329
		1330	return if $self->players;
		1331	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1332	return if $self->{deny_save};
		1333
		1334	$self->clear;
		1335	$self->in_memory (cf::MAP_SWAPPED);
		1336	}
		1337
		1338	sub reset_at {
		1339	my ($self) = @_;
		1340
		1341	# TODO: safety, remove and allow resettable per-player maps
		1342	return 1e99 if $self->{path}{user_rel};
		1343	return 1e99 if $self->{deny_reset};
		1344
		1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1347
		1348	$time + $to
		1349	}
		1350
		1351	sub should_reset {
		1352	my ($self) = @_;
		1353
		1354	$self->reset_at <= $cf::RUNTIME
		1355	}
		1356
		1357	sub unlink_save {
		1358	my ($self) = @_;
		1359
		1360	utf8::encode (my $save = $self->{path}->save_path);
		1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1363	}
		1364
		1365	sub rename {
		1366	my ($self, $new_path) = @_;
		1367
		1368	$self->unlink_save;
		1369
		1370	delete $cf::MAP{$self->path};
		1371	$self->{path} = new cf::path $new_path;
		1372	$self->path ($self->{path}->as_string);
		1373	$cf::MAP{$self->path} = $self;
		1374
		1375	$self->save;
		1376	}
		1377
		1378	sub reset {
		1379	my ($self) = @_;
		1380
		1381	return if $self->players;
		1382	return if $self->{path}{user_rel};#d#
		1383
		1384	warn "resetting map ", $self->path;#d#
		1385
		1386	delete $cf::MAP{$self->path};
		1387
		1388	$_->clear_links_to ($self) for values %cf::MAP;
		1389
		1390	$self->unlink_save;
		1391	$self->destroy;
		1392	}
		1393
		1394	my $nuke_counter = "aaaa";
		1395
		1396	sub nuke {
		1397	my ($self) = @_;
		1398
		1399	$self->{deny_save} = 1;
		1400	$self->reset_timeout (1);
		1401	$self->rename ("{nuke}/" . ($nuke_counter++));
		1402	$self->reset; # polite request, might not happen
		1403	}
		1404
		1405	sub customise_for {
		1406	my ($map, $ob) = @_;
		1407
		1408	if ($map->per_player) {
		1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1410	}
		1411
		1412	$map
		1413	}
		1414
		1415	sub emergency_save {
		1416	local $cf::FREEZE = 1;
		1417
		1418	warn "enter emergency map save\n";
		1419
		1420	cf::sync_job {
		1421	warn "begin emergency map save\n";
		1422	$_->save for values %cf::MAP;
		1423	};
		1424
		1425	warn "end emergency map save\n";
		1426	}
		1427
		1428	package cf;
		1429
		1430	=back
		1431
		1432
785	=head3 cf::object::player	1433	=head3 cf::object::player
786		1434
787	=over 4	1435	=over 4
788		1436
789	=item $player_object->reply ($npc, $msg[, $flags])	1437	=item $player_object->reply ($npc, $msg[, $flags])
…		…
824	(ref $cf::CFG{"may_$access"}	1472	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1473	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	1474	: $cf::CFG{"may_$access"})
827	}	1475	}
828		1476
		1477	=item $player_object->enter_link
		1478
		1479	Freezes the player and moves him/her to a special map (C<{link}>).
		1480
		1481	The player should be reaosnably safe there for short amounts of time. You
		1482	I<MUST> call C<leave_link> as soon as possible, though.
		1483
		1484	=item $player_object->leave_link ($map, $x, $y)
		1485
		1486	Moves the player out of the specila link map onto the given map. If the
		1487	map is not valid (or omitted), the player will be moved back to the
		1488	location he/she was before the call to C<enter_link>, or, if that fails,
		1489	to the emergency map position.
		1490
		1491	Might block.
		1492
		1493	=cut
		1494
		1495	sub cf::object::player::enter_link {
		1496	my ($self) = @_;
		1497
		1498	$self->deactivate_recursive;
		1499
		1500	return if $self->map == $LINK_MAP;
		1501
		1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1503	if $self->map;
		1504
		1505	$self->enter_map ($LINK_MAP, 20, 20);
		1506	}
		1507
		1508	sub cf::object::player::leave_link {
		1509	my ($self, $map, $x, $y) = @_;
		1510
		1511	my $link_pos = delete $self->{_link_pos};
		1512
		1513	unless ($map) {
		1514	# restore original map position
		1515	($map, $x, $y) = @{ $link_pos || [] };
		1516	$map = cf::map::find_map $map;
		1517
		1518	unless ($map) {
		1519	($map, $x, $y) = @$EMERGENCY_POSITION;
		1520	$map = cf::map::find_map $map
		1521	or die "FATAL: cannot load emergency map\n";
		1522	}
		1523	}
		1524
		1525	($x, $y) = (-1, -1)
		1526	unless (defined $x) && (defined $y);
		1527
		1528	# use -1 or undef as default coordinates, not 0, 0
		1529	($x, $y) = ($map->enter_x, $map->enter_y)
		1530	if $x <=0 && $y <= 0;
		1531
		1532	$map->load;
		1533
		1534	$self->activate_recursive;
		1535	$self->enter_map ($map, $x, $y);
		1536	}
		1537
		1538	cf::player->attach (
		1539	on_logout => sub {
		1540	my ($pl) = @_;
		1541
		1542	# abort map switching before logout
		1543	if ($pl->ob->{_link_pos}) {
		1544	cf::sync_job {
		1545	$pl->ob->leave_link
		1546	};
		1547	}
		1548	},
		1549	on_login => sub {
		1550	my ($pl) = @_;
		1551
		1552	# try to abort aborted map switching on player login :)
		1553	# should happen only on crashes
		1554	if ($pl->ob->{_link_pos}) {
		1555	$pl->ob->enter_link;
		1556	cf::async {
		1557	# we need this sleep as the login has a concurrent enter_exit running
		1558	# and this sleep increases chances of the player not ending up in scorn
		1559	Coro::Timer::sleep 1;
		1560	$pl->ob->leave_link;
		1561	};
		1562	}
		1563	},
		1564	);
		1565
		1566	=item $player_object->goto_map ($path, $x, $y)
		1567
		1568	=cut
		1569
		1570	sub cf::object::player::goto_map {
		1571	my ($self, $path, $x, $y) = @_;
		1572
		1573	$self->enter_link;
		1574
		1575	(cf::async {
		1576	$path = new cf::path $path;
		1577
		1578	my $map = cf::map::find_map $path->as_string;
		1579	$map = $map->customise_for ($self) if $map;
		1580
		1581	# warn "entering ", $map->path, " at ($x, $y)\n"
		1582	# if $map;
		1583
		1584	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1585
		1586	$self->leave_link ($map, $x, $y);
		1587	})->prio (1);
		1588	}
		1589
		1590	=item $player_object->enter_exit ($exit_object)
		1591
		1592	=cut
		1593
		1594	sub parse_random_map_params {
		1595	my ($spec) = @_;
		1596
		1597	my $rmp = { # defaults
		1598	xsize => 10,
		1599	ysize => 10,
		1600	};
		1601
		1602	for (split /\n/, $spec) {
		1603	my ($k, $v) = split /\s+/, $_, 2;
		1604
		1605	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1606	}
		1607
		1608	$rmp
		1609	}
		1610
		1611	sub prepare_random_map {
		1612	my ($exit) = @_;
		1613
		1614	# all this does is basically replace the /! path by
		1615	# a new random map path (?random/...) with a seed
		1616	# that depends on the exit object
		1617
		1618	my $rmp = parse_random_map_params $exit->msg;
		1619
		1620	if ($exit->map) {
		1621	$rmp->{region} = $exit->map->region_name;
		1622	$rmp->{origin_map} = $exit->map->path;
		1623	$rmp->{origin_x} = $exit->x;
		1624	$rmp->{origin_y} = $exit->y;
		1625	}
		1626
		1627	$rmp->{random_seed} ||= $exit->random_seed;
		1628
		1629	my $data = cf::to_json $rmp;
		1630	my $md5 = Digest::MD5::md5_hex $data;
		1631
		1632	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1633	aio_write $fh, 0, (length $data), $data, 0;
		1634
		1635	$exit->slaying ("?random/$md5");
		1636	$exit->msg (undef);
		1637	}
		1638	}
		1639
		1640	sub cf::object::player::enter_exit {
		1641	my ($self, $exit) = @_;
		1642
		1643	return unless $self->type == cf::PLAYER;
		1644
		1645	$self->enter_link;
		1646
		1647	(cf::async {
		1648	unless (eval {
		1649	prepare_random_map $exit
		1650	if $exit->slaying eq "/!";
		1651
		1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1654
		1655	1;
		1656	}) {
		1657	$self->message ("Something went wrong deep within the crossfire server. "
		1658	. "I'll try to bring you back to the map you were before. "
		1659	. "Please report this to the dungeon master",
		1660	cf::NDI_UNIQUE | cf::NDI_RED);
		1661
		1662	warn "ERROR in enter_exit: $@";
		1663	$self->leave_link;
		1664	}
		1665	})->prio (1);
		1666	}
		1667
829	=head3 cf::client	1668	=head3 cf::client
830		1669
831	=over 4	1670	=over 4
832		1671
833	=item $client->send_drawinfo ($text, $flags)	1672	=item $client->send_drawinfo ($text, $flags)
…		…
876	on_reply => sub {	1715	on_reply => sub {
877	my ($ns, $msg) = @_;	1716	my ($ns, $msg) = @_;
878		1717
879	# this weird shuffling is so that direct followup queries	1718	# this weird shuffling is so that direct followup queries
880	# get handled first	1719	# get handled first
881	my $queue = delete $ns->{query_queue};	1720	my $queue = delete $ns->{query_queue}
		1721	or return; # be conservative, not sure how that can happen, but we saw a crash here
882		1722
883	(shift @$queue)->[1]->($msg);	1723	(shift @$queue)->[1]->($msg);
884		1724
885	push @{ $ns->{query_queue} }, @$queue;	1725	push @{ $ns->{query_queue} }, @$queue;
886		1726
887	if (@{ $ns->{query_queue} } == @$queue) {	1727	if (@{ $ns->{query_queue} } == @$queue) {
888	if (@$queue) {	1728	if (@$queue) {
889	$ns->send_packet ($ns->{query_queue}[0][0]);	1729	$ns->send_packet ($ns->{query_queue}[0][0]);
890	} else {	1730	} else {
891	$ns->state (ST_PLAYING);	1731	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
892	}	1732	}
893	}	1733	}
894	},	1734	},
895	);	1735	);
896		1736
…		…
903	=cut	1743	=cut
904		1744
905	sub cf::client::coro {	1745	sub cf::client::coro {
906	my ($self, $cb) = @_;	1746	my ($self, $cb) = @_;
907		1747
908	my $coro; $coro = async {	1748	my $coro = &cf::async ($cb);
909	eval {	1749
910	$cb->();	1750	$coro->on_destroy (sub {
911	};
912	warn $@ if $@;
913	delete $self->{_coro}{$coro+0};	1751	delete $self->{_coro}{$coro+0};
914	};	1752	});
915		1753
916	$self->{_coro}{$coro+0} = $coro;	1754	$self->{_coro}{$coro+0} = $coro;
		1755
		1756	$coro
917	}	1757	}
918		1758
919	cf::client->attach (	1759	cf::client->attach (
920	on_destroy => sub {	1760	on_destroy => sub {
921	my ($ns) = @_;	1761	my ($ns) = @_;
…		…
1085		1925
1086	{	1926	{
1087	my $path = cf::localdir . "/database.pst";	1927	my $path = cf::localdir . "/database.pst";
1088		1928
1089	sub db_load() {	1929	sub db_load() {
1090	warn "loading database $path\n";#d# remove later
1091	$DB = stat $path ? Storable::retrieve $path : { };	1930	$DB = stat $path ? Storable::retrieve $path : { };
1092	}	1931	}
1093		1932
1094	my $pid;	1933	my $pid;
1095		1934
1096	sub db_save() {	1935	sub db_save() {
1097	warn "saving database $path\n";#d# remove later
1098	waitpid $pid, 0 if $pid;	1936	waitpid $pid, 0 if $pid;
1099	if (0 == ($pid = fork)) {	1937	if (0 == ($pid = fork)) {
1100	$DB->{_meta}{version} = 1;	1938	$DB->{_meta}{version} = 1;
1101	Storable::nstore $DB, "$path~";	1939	Storable::nstore $DB, "$path~";
1102	rename "$path~", $path;	1940	rename "$path~", $path;
…		…
1153	local $/;	1991	local $/;
1154	*CFG = YAML::Syck::Load <$fh>;	1992	*CFG = YAML::Syck::Load <$fh>;
1155	}	1993	}
1156		1994
1157	sub main {	1995	sub main {
		1996	# we must not ever block the main coroutine
		1997	local $Coro::idle = sub {
		1998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		1999	(Coro::unblock_sub {
		2000	Event::one_event;
		2001	})->();
		2002	};
		2003
1158	cfg_load;	2004	cfg_load;
1159	db_load;	2005	db_load;
1160	load_extensions;	2006	load_extensions;
1161	Event::loop;	2007	Event::loop;
1162	}	2008	}
1163		2009
1164	#############################################################################	2010	#############################################################################
1165	# initialisation	2011	# initialisation
1166		2012
1167	sub _perl_reload(&) {	2013	sub reload() {
1168	my ($msg) = @_;	2014	# can/must only be called in main
		2015	if ($Coro::current != $Coro::main) {
		2016	warn "can only reload from main coroutine\n";
		2017	return;
		2018	}
1169		2019
1170	$msg->("reloading...");	2020	warn "reloading...";
		2021
		2022	local $FREEZE = 1;
		2023	cf::emergency_save;
1171		2024
1172	eval {	2025	eval {
		2026	# if anything goes wrong in here, we should simply crash as we already saved
		2027
1173	# cancel all watchers	2028	# cancel all watchers
1174	for (Event::all_watchers) {	2029	for (Event::all_watchers) {
1175	$_->cancel if $_->data & WF_AUTOCANCEL;	2030	$_->cancel if $_->data & WF_AUTOCANCEL;
1176	}	2031	}
1177		2032
		2033	# cancel all extension coros
		2034	$_->cancel for values %EXT_CORO;
		2035	%EXT_CORO = ();
		2036
1178	# unload all extensions	2037	# unload all extensions
1179	for (@exts) {	2038	for (@exts) {
1180	$msg->("unloading <$_>");	2039	warn "unloading <$_>";
1181	unload_extension $_;	2040	unload_extension $_;
1182	}	2041	}
1183		2042
1184	# unload all modules loaded from $LIBDIR	2043	# unload all modules loaded from $LIBDIR
1185	while (my ($k, $v) = each %INC) {	2044	while (my ($k, $v) = each %INC) {
1186	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1187		2046
1188	$msg->("removing <$k>");	2047	warn "removing <$k>";
1189	delete $INC{$k};	2048	delete $INC{$k};
1190		2049
1191	$k =~ s/\.pm$//;	2050	$k =~ s/\.pm$//;
1192	$k =~ s/\//::/g;	2051	$k =~ s/\//::/g;
1193		2052
…		…
1198	Symbol::delete_package $k;	2057	Symbol::delete_package $k;
1199	}	2058	}
1200		2059
1201	# sync database to disk	2060	# sync database to disk
1202	cf::db_sync;	2061	cf::db_sync;
		2062	IO::AIO::flush;
1203		2063
1204	# get rid of safe::, as good as possible	2064	# get rid of safe::, as good as possible
1205	Symbol::delete_package "safe::$_"	2065	Symbol::delete_package "safe::$_"
1206	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2066	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1207		2067
1208	# remove register_script_function callbacks	2068	# remove register_script_function callbacks
1209	# TODO	2069	# TODO
1210		2070
1211	# unload cf.pm "a bit"	2071	# unload cf.pm "a bit"
…		…
1214	# don't, removes xs symbols, too,	2074	# don't, removes xs symbols, too,
1215	# and global variables created in xs	2075	# and global variables created in xs
1216	#Symbol::delete_package __PACKAGE__;	2076	#Symbol::delete_package __PACKAGE__;
1217		2077
1218	# reload cf.pm	2078	# reload cf.pm
1219	$msg->("reloading cf.pm");	2079	warn "reloading cf.pm";
1220	require cf;	2080	require cf;
		2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1221		2082
1222	# load config and database again	2083	# load config and database again
1223	cf::cfg_load;	2084	cf::cfg_load;
1224	cf::db_load;	2085	cf::db_load;
1225		2086
1226	# load extensions	2087	# load extensions
1227	$msg->("load extensions");	2088	warn "load extensions";
1228	cf::load_extensions;	2089	cf::load_extensions;
1229		2090
1230	# reattach attachments to objects	2091	# reattach attachments to objects
1231	$msg->("reattach");	2092	warn "reattach";
1232	_global_reattach;	2093	_global_reattach;
1233	};	2094	};
1234	$msg->($@) if $@;
1235		2095
1236	$msg->("reloaded");	2096	if ($@) {
		2097	warn $@;
		2098	warn "error while reloading, exiting.";
		2099	exit 1;
		2100	}
		2101
		2102	warn "reloaded successfully";
1237	};	2103	};
1238		2104
1239	sub perl_reload() {	2105	#############################################################################
1240	_perl_reload {	2106
1241	warn $_[0];	2107	unless ($LINK_MAP) {
1242	print "$_[0]\n";	2108	$LINK_MAP = cf::map::new;
1243	};	2109
		2110	$LINK_MAP->width (41);
		2111	$LINK_MAP->height (41);
		2112	$LINK_MAP->alloc;
		2113	$LINK_MAP->path ("{link}");
		2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2116
		2117	# dirty hack because... archetypes are not yet loaded
		2118	Event->timer (
		2119	after => 2,
		2120	cb => sub {
		2121	$_[0]->w->cancel;
		2122
		2123	# provide some exits "home"
		2124	my $exit = cf::object::new "exit";
		2125
		2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2129
		2130	$LINK_MAP->insert ($exit->clone, 19, 19);
		2131	$LINK_MAP->insert ($exit->clone, 19, 20);
		2132	$LINK_MAP->insert ($exit->clone, 19, 21);
		2133	$LINK_MAP->insert ($exit->clone, 20, 19);
		2134	$LINK_MAP->insert ($exit->clone, 20, 21);
		2135	$LINK_MAP->insert ($exit->clone, 21, 19);
		2136	$LINK_MAP->insert ($exit->clone, 21, 20);
		2137	$LINK_MAP->insert ($exit->clone, 21, 21);
		2138
		2139	$exit->destroy;
		2140	});
		2141
		2142	$LINK_MAP->{deny_save} = 1;
		2143	$LINK_MAP->{deny_reset} = 1;
		2144
		2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1244	}	2146	}
1245		2147
1246	register "<global>", __PACKAGE__;	2148	register "<global>", __PACKAGE__;
1247		2149
1248	register_command "perl-reload" => sub {	2150	register_command "reload" => sub {
1249	my ($who, $arg) = @_;	2151	my ($who, $arg) = @_;
1250		2152
1251	if ($who->flag (FLAG_WIZ)) {	2153	if ($who->flag (FLAG_WIZ)) {
1252	_perl_reload {	2154	$who->message ("start of reload.");
1253	warn $_[0];	2155	reload;
1254	$who->message ($_[0]);	2156	$who->message ("end of reload.");
1255	};
1256	}	2157	}
1257	};	2158	};
1258		2159
1259	unshift @INC, $LIBDIR;	2160	unshift @INC, $LIBDIR;
1260		2161
1261	$TICK_WATCHER = Event->timer (	2162	$TICK_WATCHER = Event->timer (
		2163	reentrant => 0,
1262	prio => 0,	2164	prio => 0,
1263	at => $NEXT_TICK || 1,	2165	at => $NEXT_TICK || $TICK,
1264	data => WF_AUTOCANCEL,	2166	data => WF_AUTOCANCEL,
1265	cb => sub {	2167	cb => sub {
		2168	unless ($FREEZE) {
1266	cf::server_tick; # one server iteration	2169	cf::server_tick; # one server iteration
		2170	$RUNTIME += $TICK;
		2171	}
1267		2172
1268	my $NOW = Event::time;
1269	$NEXT_TICK += $TICK;	2173	$NEXT_TICK += $TICK;
1270		2174
1271	# if we are delayed by four ticks or more, skip them all	2175	# if we are delayed by four ticks or more, skip them all
1272	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1273		2177
1274	$TICK_WATCHER->at ($NEXT_TICK);	2178	$TICK_WATCHER->at ($NEXT_TICK);
1275	$TICK_WATCHER->start;	2179	$TICK_WATCHER->start;
1276	},	2180	},
1277	);	2181	);
1278		2182
1279	IO::AIO::max_poll_time $TICK * 0.2;	2183	IO::AIO::max_poll_time $TICK * 0.2;
1280		2184
		2185	Event->io (
1281	Event->io (fd => IO::AIO::poll_fileno,	2186	fd => IO::AIO::poll_fileno,
1282	poll => 'r',	2187	poll => 'r',
1283	prio => 5,	2188	prio => 5,
1284	data => WF_AUTOCANCEL,	2189	data => WF_AUTOCANCEL,
1285	cb => \&IO::AIO::poll_cb);	2190	cb => \&IO::AIO::poll_cb,
		2191	);
		2192
		2193	Event->timer (
		2194	data => WF_AUTOCANCEL,
		2195	after => 0,
		2196	interval => 10,
		2197	cb => sub {
		2198	(Coro::unblock_sub {
		2199	write_runtime
		2200	or warn "ERROR: unable to write runtime file: $!";
		2201	})->();
		2202	},
		2203	);
		2204
		2205	END { cf::emergency_save }
1286		2206
1287	1	2207	1
1288		2208

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