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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 1.138 by root, Fri Jan 5 17:07:17 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 $RANDOM_MAPS = cf::localdir . "/random";
		55	our %EXT_CORO;
		56
		57	binmode STDOUT;
		58	binmode STDERR;
		59
		60	# read virtual server time, if available
		61	unless ($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	Coro::cede_notself;
		269	Event::one_event unless Coro::nready;
		270	}
		271
		272	wantarray ? @res : $res[0]
		273	} else {
		274	# we are in another coroutine, how wonderful, everything just works
		275
		276	$job->()
		277	}
		278	}
		279
		280	=item $coro = cf::coro { BLOCK }
		281
		282	Creates (and readies) and returns a new coro. This coro is automcatially
		283	being canceled when the extension calling this is being unloaded.
		284
		285	=cut
		286
		287	sub coro(&) {
		288	my $cb = shift;
		289
		290	my $coro = &Coro::async_pool ($cb);
		291
		292	$coro->on_destroy (sub {
		293	delete $EXT_CORO{$coro+0};
		294	});
		295	$EXT_CORO{$coro+0} = $coro;
		296
		297	$coro
		298	}
		299
		300	sub write_runtime {
		301	my $runtime = cf::localdir . "/runtime";
		302
		303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		304	or return;
		305
		306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		307	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		308	and return;
		309
		310	aio_fsync $fh
		311	and return;
		312
		313	close $fh
		314	or return;
		315
		316	aio_rename "$runtime~", $runtime
		317	and return;
		318
		319	1
		320	}
		321
146	=back	322	=back
147		323
148	=cut	324	=cut
		325
		326	#############################################################################
		327
		328	package cf::path;
		329
		330	sub new {
		331	my ($class, $path, $base) = @_;
		332
		333	$path = $path->as_string if ref $path;
		334
		335	my $self = bless { }, $class;
		336
		337	# {... are special paths that are not touched
		338	# ?xxx/... are special absolute paths
		339	# ?random/... random maps
		340	# /! non-realised random map exit
		341	# /... normal maps
		342	# ~/... per-player maps without a specific player (DO NOT USE)
		343	# ~user/... per-player map of a specific user
		344
		345	if ($path =~ /^{/) {
		346	# fine as it is
		347	} elsif ($path =~ s{^\?random/}{}) {
		348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		349	$self->{random} = cf::from_json $data;
		350	} else {
		351	if ($path =~ s{^~([^/]+)?}{}) {
		352	$self->{user_rel} = 1;
		353
		354	if (defined $1) {
		355	$self->{user} = $1;
		356	} elsif ($base =~ m{^~([^/]+)/}) {
		357	$self->{user} = $1;
		358	} else {
		359	warn "cannot resolve user-relative path without user <$path,$base>\n";
		360	}
		361	} elsif ($path =~ /^\//) {
		362	# already absolute
		363	} else {
		364	$base =~ s{[^/]+/?$}{};
		365	return $class->new ("$base/$path");
		366	}
		367
		368	for ($path) {
		369	redo if s{/\.?/}{/};
		370	redo if s{/[^/]+/\.\./}{/};
		371	}
		372	}
		373
		374	$self->{path} = $path;
		375
		376	$self
		377	}
		378
		379	# the name / primary key / in-game path
		380	sub as_string {
		381	my ($self) = @_;
		382
		383	$self->{user_rel} ? "~$self->{user}$self->{path}"
		384	: $self->{random} ? "?random/$self->{path}"
		385	: $self->{path}
		386	}
		387
		388	# the displayed name, this is a one way mapping
		389	sub visible_name {
		390	my ($self) = @_;
		391
		392	# if (my $rmp = $self->{random}) {
		393	# # todo: be more intelligent about this
		394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		395	# } else {
		396	$self->as_string
		397	# }
		398	}
		399
		400	# escape the /'s in the path
		401	sub _escaped_path {
		402	# ∕ is U+2215
		403	(my $path = $_[0]{path}) =~ s/\//∕/g;
		404	$path
		405	}
		406
		407	# the original (read-only) location
		408	sub load_path {
		409	my ($self) = @_;
		410
		411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		412	}
		413
		414	# the temporary/swap location
		415	sub save_path {
		416	my ($self) = @_;
		417
		418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		421	}
		422
		423	# the unique path, might be eq to save_path
		424	sub uniq_path {
		425	my ($self) = @_;
		426
		427	$self->{user_rel} || $self->{random}
		428	? undef
		429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		430	}
		431
		432	# return random map parameters, or undef
		433	sub random_map_params {
		434	my ($self) = @_;
		435
		436	$self->{random}
		437	}
		438
		439	# this is somewhat ugly, but style maps do need special treatment
		440	sub is_style_map {
		441	$_[0]{path} =~ m{^/styles/}
		442	}
		443
		444	package cf;
149		445
150	#############################################################################	446	#############################################################################
151		447
152	=head2 ATTACHABLE OBJECTS	448	=head2 ATTACHABLE OBJECTS
153		449
…		…
269	exception.	565	exception.
270		566
271	=cut	567	=cut
272		568
273	# the following variables are defined in .xs and must not be re-created	569	# the following variables are defined in .xs and must not be re-created
274	our @CB_GLOBAL = (); # registry for all global events	570	our @CB_GLOBAL = (); # registry for all global events
		571	our @CB_ATTACHABLE = (); # registry for all attachables
275	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	572	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
276	our @CB_PLAYER = ();	573	our @CB_PLAYER = ();
277	our @CB_CLIENT = ();	574	our @CB_CLIENT = ();
278	our @CB_TYPE = (); # registry for type (cf-object class) based events	575	our @CB_TYPE = (); # registry for type (cf-object class) based events
279	our @CB_MAP = ();	576	our @CB_MAP = ();
280		577
281	my %attachment;	578	my %attachment;
282		579
283	sub _attach_cb($$$$) {	580	sub _attach_cb($$$$) {
284	my ($registry, $event, $prio, $cb) = @_;	581	my ($registry, $event, $prio, $cb) = @_;
…		…
289		586
290	@{$registry->[$event]} = sort	587	@{$registry->[$event]} = sort
291	{ $a->[0] cmp $b->[0] }	588	{ $a->[0] cmp $b->[0] }
292	@{$registry->[$event] || []}, $cb;	589	@{$registry->[$event] || []}, $cb;
293	}	590	}
		591
		592	# hack
		593	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
294		594
295	# attach handles attaching event callbacks	595	# attach handles attaching event callbacks
296	# the only thing the caller has to do is pass the correct	596	# the only thing the caller has to do is pass the correct
297	# registry (== where the callback attaches to).	597	# registry (== where the callback attaches to).
298	sub _attach {	598	sub _attach {
…		…
300		600
301	my $object_type;	601	my $object_type;
302	my $prio = 0;	602	my $prio = 0;
303	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	603	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
304		604
		605	#TODO: get rid of this hack
		606	if ($attachable_klass{$klass}) {
		607	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		608	}
		609
305	while (@arg) {	610	while (@arg) {
306	my $type = shift @arg;	611	my $type = shift @arg;
307		612
308	if ($type eq "prio") {	613	if ($type eq "prio") {
309	$prio = shift @arg;	614	$prio = shift @arg;
…		…
384	my ($obj, $name) = @_;	689	my ($obj, $name) = @_;
385		690
386	exists $obj->{_attachment}{$name}	691	exists $obj->{_attachment}{$name}
387	}	692	}
388		693
389	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	694	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
390	eval "#line " . __LINE__ . " 'cf.pm'	695	eval "#line " . __LINE__ . " 'cf.pm'
391	sub cf::\L$klass\E::_attach_registry {	696	sub cf::\L$klass\E::_attach_registry {
392	(\\\@CB_$klass, KLASS_$klass)	697	(\\\@CB_$klass, KLASS_$klass)
393	}	698	}
394		699
…		…
447	=cut	752	=cut
448		753
449	#############################################################################	754	#############################################################################
450	# object support	755	# object support
451		756
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 {	757	sub reattach {
		758	# basically do the same as instantiate, without calling instantiate
466	my ($obj) = @_;	759	my ($obj) = @_;
		760
467	my $registry = $obj->registry;	761	my $registry = $obj->registry;
468		762
469	@$registry = ();	763	@$registry = ();
470		764
471	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	765	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
…		…
480	warn "object uses attachment '$name' that is not available, postponing.\n";	774	warn "object uses attachment '$name' that is not available, postponing.\n";
481	}	775	}
482	}	776	}
483	}	777	}
484		778
485	sub object_freezer_save {	779	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	$$rdata . Dumper $objs
522	}
523
524	sub object_thawer_load {
525	my ($filename) = @_;
526
527	local $/;
528
529	my $av;
530
531	#TODO: use sysread etc.
532	if (open my $data, "<:raw:perlio", $filename) {
533	$data = <$data>;
534	if (open my $pst, "<:raw:perlio", "$filename.pst") {
535	$av = eval { (Storable::thaw <$pst>)->{objs} };
536	}
537	return ($data, $av);
538	}
539
540	()
541	}
542
543	cf::object->attach (
544	prio => -1000000,	780	prio => -1000000,
		781	on_instantiate => sub {
		782	my ($obj, $data) = @_;
		783
		784	$data = from_json $data;
		785
		786	for (@$data) {
		787	my ($name, $args) = @$_;
		788
		789	$obj->attach ($name, %{$args || {} });
		790	}
		791	},
		792	on_reattach => \&reattach,
545	on_clone => sub {	793	on_clone => sub {
546	my ($src, $dst) = @_;	794	my ($src, $dst) = @_;
547		795
548	@{$dst->registry} = @{$src->registry};	796	@{$dst->registry} = @{$src->registry};
549		797
…		…
551		799
552	%{$dst->{_attachment}} = %{$src->{_attachment}}	800	%{$dst->{_attachment}} = %{$src->{_attachment}}
553	if exists $src->{_attachment};	801	if exists $src->{_attachment};
554	},	802	},
555	);	803	);
		804
		805	sub object_freezer_save {
		806	my ($filename, $rdata, $objs) = @_;
		807
		808	sync_job {
		809	if (length $$rdata) {
		810	warn sprintf "saving %s (%d,%d)\n",
		811	$filename, length $$rdata, scalar @$objs;
		812
		813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		814	chmod SAVE_MODE, $fh;
		815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		816	aio_fsync $fh;
		817	close $fh;
		818
		819	if (@$objs) {
		820	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		821	chmod SAVE_MODE, $fh;
		822	my $data = Storable::nfreeze { version => 1, objs => $objs };
		823	aio_write $fh, 0, (length $data), $data, 0;
		824	aio_fsync $fh;
		825	close $fh;
		826	aio_rename "$filename.pst~", "$filename.pst";
		827	}
		828	} else {
		829	aio_unlink "$filename.pst";
		830	}
		831
		832	aio_rename "$filename~", $filename;
		833	} else {
		834	warn "FATAL: $filename~: $!\n";
		835	}
		836	} else {
		837	aio_unlink $filename;
		838	aio_unlink "$filename.pst";
		839	}
		840	}
		841	}
		842
		843	sub object_freezer_as_string {
		844	my ($rdata, $objs) = @_;
		845
		846	use Data::Dumper;
		847
		848	$$rdata . Dumper $objs
		849	}
		850
		851	sub object_thawer_load {
		852	my ($filename) = @_;
		853
		854	my ($data, $av);
		855
		856	(aio_load $filename, $data) >= 0
		857	or return;
		858
		859	unless (aio_stat "$filename.pst") {
		860	(aio_load "$filename.pst", $av) >= 0
		861	or return;
		862	$av = eval { (Storable::thaw $av)->{objs} };
		863	}
		864
		865	warn sprintf "loading %s (%d)\n",
		866	$filename, length $data, scalar @{$av || []};#d#
		867	return ($data, $av);
		868	}
556		869
557	#############################################################################	870	#############################################################################
558	# command handling &c	871	# command handling &c
559		872
560	=item cf::register_command $name => \&callback($ob,$args);	873	=item cf::register_command $name => \&callback($ob,$args);
…		…
780	$self->send ("ext " . to_json \%msg);	1093	$self->send ("ext " . to_json \%msg);
781	}	1094	}
782		1095
783	=back	1096	=back
784		1097
		1098
		1099	=head3 cf::map
		1100
		1101	=over 4
		1102
		1103	=cut
		1104
		1105	package cf::map;
		1106
		1107	use Fcntl;
		1108	use Coro::AIO;
		1109
		1110	our $MAX_RESET = 3600;
		1111	our $DEFAULT_RESET = 3000;
		1112
		1113	sub generate_random_map {
		1114	my ($path, $rmp) = @_;
		1115
		1116	# mit "rum" bekleckern, nicht
		1117	cf::map::_create_random_map
		1118	$path,
		1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1122	$rmp->{exit_on_final_map},
		1123	$rmp->{xsize}, $rmp->{ysize},
		1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1129	(cf::region::find $rmp->{region})
		1130	}
		1131
		1132	# and all this just because we cannot iterate over
		1133	# all maps in C++...
		1134	sub change_all_map_light {
		1135	my ($change) = @_;
		1136
		1137	$_->change_map_light ($change)
		1138	for grep $_->outdoor, values %cf::MAP;
		1139	}
		1140
		1141	sub try_load_header($) {
		1142	my ($path) = @_;
		1143
		1144	utf8::encode $path;
		1145	aio_open $path, O_RDONLY, 0
		1146	or return;
		1147
		1148	my $map = cf::map::new
		1149	or return;
		1150
		1151	# for better error messages only, will be overwritten
		1152	$map->path ($path);
		1153
		1154	$map->load_header ($path)
		1155	or return;
		1156
		1157	$map->{load_path} = $path;
		1158
		1159	$map
		1160	}
		1161
		1162	sub find;
		1163	sub find {
		1164	my ($path, $origin) = @_;
		1165
		1166	#warn "find<$path,$origin>\n";#d#
		1167
		1168	$path = new cf::path $path, $origin && $origin->path;
		1169	my $key = $path->as_string;
		1170
		1171	cf::lock_wait "map_find:$key";
		1172
		1173	$cf::MAP{$key} || do {
		1174	my $guard = cf::lock_acquire "map_find:$key";
		1175
		1176	# do it the slow way
		1177	my $map = try_load_header $path->save_path;
		1178
		1179	Coro::cede;
		1180
		1181	if ($map) {
		1182	$map->last_access ((delete $map->{last_access})
		1183	|| $cf::RUNTIME); #d#
		1184	# safety
		1185	$map->{instantiate_time} = $cf::RUNTIME
		1186	if $map->{instantiate_time} > $cf::RUNTIME;
		1187	} else {
		1188	if (my $rmp = $path->random_map_params) {
		1189	$map = generate_random_map $key, $rmp;
		1190	} else {
		1191	$map = try_load_header $path->load_path;
		1192	}
		1193
		1194	$map or return;
		1195
		1196	$map->{load_original} = 1;
		1197	$map->{instantiate_time} = $cf::RUNTIME;
		1198	$map->last_access ($cf::RUNTIME);
		1199	$map->instantiate;
		1200
		1201	# per-player maps become, after loading, normal maps
		1202	$map->per_player (0) if $path->{user_rel};
		1203	}
		1204
		1205	$map->path ($key);
		1206	$map->{path} = $path;
		1207	$map->{last_save} = $cf::RUNTIME;
		1208
		1209	Coro::cede;
		1210
		1211	if ($map->should_reset) {
		1212	$map->reset;
		1213	undef $guard;
		1214	$map = find $path
		1215	or return;
		1216	}
		1217
		1218	$cf::MAP{$key} = $map
		1219	}
		1220	}
		1221
		1222	sub load {
		1223	my ($self) = @_;
		1224
		1225	my $path = $self->{path};
		1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1227
		1228	return if $self->in_memory != cf::MAP_SWAPPED;
		1229
		1230	$self->in_memory (cf::MAP_LOADING);
		1231
		1232	$self->alloc;
		1233	$self->load_objects ($self->{load_path}, 1)
		1234	or return;
		1235
		1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1237	if delete $self->{load_original};
		1238
		1239	if (my $uniq = $path->uniq_path) {
		1240	utf8::encode $uniq;
		1241	if (aio_open $uniq, O_RDONLY, 0) {
		1242	$self->clear_unique_items;
		1243	$self->load_objects ($uniq, 0);
		1244	}
		1245	}
		1246
		1247	Coro::cede;
		1248
		1249	# now do the right thing for maps
		1250	$self->link_multipart_objects;
		1251
		1252	if ($self->{path}->is_style_map) {
		1253	$self->{deny_save} = 1;
		1254	$self->{deny_reset} = 1;
		1255	} else {
		1256	$self->fix_auto_apply;
		1257	$self->decay_objects;
		1258	$self->update_buttons;
		1259	$self->set_darkness_map;
		1260	$self->difficulty ($self->estimate_difficulty)
		1261	unless $self->difficulty;
		1262	$self->activate;
		1263	}
		1264
		1265	Coro::cede;
		1266
		1267	$self->in_memory (cf::MAP_IN_MEMORY);
		1268	}
		1269
		1270	sub find_sync {
		1271	my ($path, $origin) = @_;
		1272
		1273	cf::sync_job { cf::map::find $path, $origin }
		1274	}
		1275
		1276	sub do_load_sync {
		1277	my ($map) = @_;
		1278
		1279	cf::sync_job { $map->load };
		1280	}
		1281
		1282	sub save {
		1283	my ($self) = @_;
		1284
		1285	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1286
		1287	$self->{last_save} = $cf::RUNTIME;
		1288
		1289	return unless $self->dirty;
		1290
		1291	my $save = $self->{path}->save_path; utf8::encode $save;
		1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1293
		1294	$self->{load_path} = $save;
		1295
		1296	return if $self->{deny_save};
		1297
		1298	local $self->{last_access} = $self->last_access;#d#
		1299
		1300	if ($uniq) {
		1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1302	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1303	} else {
		1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1305	}
		1306	}
		1307
		1308	sub swap_out {
		1309	my ($self) = @_;
		1310
		1311	# save first because save cedes
		1312	$self->save;
		1313
		1314	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1315
		1316	return if $self->players;
		1317	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1318	return if $self->{deny_save};
		1319
		1320	$self->clear;
		1321	$self->in_memory (cf::MAP_SWAPPED);
		1322	}
		1323
		1324	sub reset_at {
		1325	my ($self) = @_;
		1326
		1327	# TODO: safety, remove and allow resettable per-player maps
		1328	return 1e99 if $self->{path}{user_rel};
		1329	return 1e99 if $self->{deny_reset};
		1330
		1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1333
		1334	$time + $to
		1335	}
		1336
		1337	sub should_reset {
		1338	my ($self) = @_;
		1339
		1340	$self->reset_at <= $cf::RUNTIME
		1341	}
		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->{path}->save_path);
		1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1349	}
		1350
		1351	sub rename {
		1352	my ($self, $new_path) = @_;
		1353
		1354	$self->unlink_save;
		1355
		1356	delete $cf::MAP{$self->path};
		1357	$self->{path} = new cf::path $new_path;
		1358	$self->path ($self->{path}->as_string);
		1359	$cf::MAP{$self->path} = $self;
		1360
		1361	$self->save;
		1362	}
		1363
		1364	sub reset {
		1365	my ($self) = @_;
		1366
		1367	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1368
		1369	return if $self->players;
		1370	return if $self->{path}{user_rel};#d#
		1371
		1372	warn "resetting map ", $self->path;#d#
		1373
		1374	delete $cf::MAP{$self->path};
		1375
		1376	$_->clear_links_to ($self) for values %cf::MAP;
		1377
		1378	$self->unlink_save;
		1379	$self->destroy;
		1380	}
		1381
		1382	my $nuke_counter = "aaaa";
		1383
		1384	sub nuke {
		1385	my ($self) = @_;
		1386
		1387	$self->{deny_save} = 1;
		1388	$self->reset_timeout (1);
		1389	$self->rename ("{nuke}/" . ($nuke_counter++));
		1390	$self->reset; # polite request, might not happen
		1391	}
		1392
		1393	sub customise_for {
		1394	my ($map, $ob) = @_;
		1395
		1396	if ($map->per_player) {
		1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1398	}
		1399
		1400	$map
		1401	}
		1402
		1403	sub emergency_save {
		1404	my $freeze_guard = cf::freeze_mainloop;
		1405
		1406	warn "enter emergency map save\n";
		1407
		1408	cf::sync_job {
		1409	warn "begin emergency map save\n";
		1410	$_->save for values %cf::MAP;
		1411	};
		1412
		1413	warn "end emergency map save\n";
		1414	}
		1415
		1416	package cf;
		1417
		1418	=back
		1419
		1420
785	=head3 cf::object::player	1421	=head3 cf::object::player
786		1422
787	=over 4	1423	=over 4
788		1424
789	=item $player_object->reply ($npc, $msg[, $flags])	1425	=item $player_object->reply ($npc, $msg[, $flags])
…		…
824	(ref $cf::CFG{"may_$access"}	1460	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1461	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	1462	: $cf::CFG{"may_$access"})
827	}	1463	}
828		1464
		1465	=item $player_object->enter_link
		1466
		1467	Freezes the player and moves him/her to a special map (C<{link}>).
		1468
		1469	The player should be reaosnably safe there for short amounts of time. You
		1470	I<MUST> call C<leave_link> as soon as possible, though.
		1471
		1472	=item $player_object->leave_link ($map, $x, $y)
		1473
		1474	Moves the player out of the specila link map onto the given map. If the
		1475	map is not valid (or omitted), the player will be moved back to the
		1476	location he/she was before the call to C<enter_link>, or, if that fails,
		1477	to the emergency map position.
		1478
		1479	Might block.
		1480
		1481	=cut
		1482
		1483	sub cf::object::player::enter_link {
		1484	my ($self) = @_;
		1485
		1486	$self->deactivate_recursive;
		1487
		1488	return if $self->map == $LINK_MAP;
		1489
		1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1491	if $self->map;
		1492
		1493	$self->enter_map ($LINK_MAP, 20, 20);
		1494	}
		1495
		1496	sub cf::object::player::leave_link {
		1497	my ($self, $map, $x, $y) = @_;
		1498
		1499	my $link_pos = delete $self->{_link_pos};
		1500
		1501	unless ($map) {
		1502	# restore original map position
		1503	($map, $x, $y) = @{ $link_pos || [] };
		1504	$map = cf::map::find $map;
		1505
		1506	unless ($map) {
		1507	($map, $x, $y) = @$EMERGENCY_POSITION;
		1508	$map = cf::map::find $map
		1509	or die "FATAL: cannot load emergency map\n";
		1510	}
		1511	}
		1512
		1513	($x, $y) = (-1, -1)
		1514	unless (defined $x) && (defined $y);
		1515
		1516	# use -1 or undef as default coordinates, not 0, 0
		1517	($x, $y) = ($map->enter_x, $map->enter_y)
		1518	if $x <=0 && $y <= 0;
		1519
		1520	$map->load;
		1521
		1522	$self->activate_recursive;
		1523	$self->enter_map ($map, $x, $y);
		1524	}
		1525
		1526	cf::player->attach (
		1527	on_logout => sub {
		1528	my ($pl) = @_;
		1529
		1530	# abort map switching before logout
		1531	if ($pl->ob->{_link_pos}) {
		1532	cf::sync_job {
		1533	$pl->ob->leave_link
		1534	};
		1535	}
		1536	},
		1537	on_login => sub {
		1538	my ($pl) = @_;
		1539
		1540	# try to abort aborted map switching on player login :)
		1541	# should happen only on crashes
		1542	if ($pl->ob->{_link_pos}) {
		1543	$pl->ob->enter_link;
		1544	Coro::async_pool {
		1545	# we need this sleep as the login has a concurrent enter_exit running
		1546	# and this sleep increases chances of the player not ending up in scorn
		1547	Coro::Timer::sleep 1;
		1548	$pl->ob->leave_link;
		1549	};
		1550	}
		1551	},
		1552	);
		1553
		1554	=item $player_object->goto ($path, $x, $y)
		1555
		1556	=cut
		1557
		1558	sub cf::object::player::goto {
		1559	my ($self, $path, $x, $y) = @_;
		1560
		1561	$self->enter_link;
		1562
		1563	(Coro::async_pool {
		1564	$path = new cf::path $path;
		1565
		1566	my $map = cf::map::find $path->as_string;
		1567	$map = $map->customise_for ($self) if $map;
		1568
		1569	# warn "entering ", $map->path, " at ($x, $y)\n"
		1570	# if $map;
		1571
		1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1573
		1574	$self->leave_link ($map, $x, $y);
		1575	})->prio (1);
		1576	}
		1577
		1578	=item $player_object->enter_exit ($exit_object)
		1579
		1580	=cut
		1581
		1582	sub parse_random_map_params {
		1583	my ($spec) = @_;
		1584
		1585	my $rmp = { # defaults
		1586	xsize => 10,
		1587	ysize => 10,
		1588	};
		1589
		1590	for (split /\n/, $spec) {
		1591	my ($k, $v) = split /\s+/, $_, 2;
		1592
		1593	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1594	}
		1595
		1596	$rmp
		1597	}
		1598
		1599	sub prepare_random_map {
		1600	my ($exit) = @_;
		1601
		1602	# all this does is basically replace the /! path by
		1603	# a new random map path (?random/...) with a seed
		1604	# that depends on the exit object
		1605
		1606	my $rmp = parse_random_map_params $exit->msg;
		1607
		1608	if ($exit->map) {
		1609	$rmp->{region} = $exit->map->region_name;
		1610	$rmp->{origin_map} = $exit->map->path;
		1611	$rmp->{origin_x} = $exit->x;
		1612	$rmp->{origin_y} = $exit->y;
		1613	}
		1614
		1615	$rmp->{random_seed} ||= $exit->random_seed;
		1616
		1617	my $data = cf::to_json $rmp;
		1618	my $md5 = Digest::MD5::md5_hex $data;
		1619
		1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1621	aio_write $fh, 0, (length $data), $data, 0;
		1622
		1623	$exit->slaying ("?random/$md5");
		1624	$exit->msg (undef);
		1625	}
		1626	}
		1627
		1628	sub cf::object::player::enter_exit {
		1629	my ($self, $exit) = @_;
		1630
		1631	return unless $self->type == cf::PLAYER;
		1632
		1633	$self->enter_link;
		1634
		1635	(Coro::async_pool {
		1636	$self->deactivate_recursive; # just to be sure
		1637	unless (eval {
		1638	prepare_random_map $exit
		1639	if $exit->slaying eq "/!";
		1640
		1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1643
		1644	1;
		1645	}) {
		1646	$self->message ("Something went wrong deep within the crossfire server. "
		1647	. "I'll try to bring you back to the map you were before. "
		1648	. "Please report this to the dungeon master",
		1649	cf::NDI_UNIQUE | cf::NDI_RED);
		1650
		1651	warn "ERROR in enter_exit: $@";
		1652	$self->leave_link;
		1653	}
		1654	})->prio (1);
		1655	}
		1656
829	=head3 cf::client	1657	=head3 cf::client
830		1658
831	=over 4	1659	=over 4
832		1660
833	=item $client->send_drawinfo ($text, $flags)	1661	=item $client->send_drawinfo ($text, $flags)
…		…
876	on_reply => sub {	1704	on_reply => sub {
877	my ($ns, $msg) = @_;	1705	my ($ns, $msg) = @_;
878		1706
879	# this weird shuffling is so that direct followup queries	1707	# this weird shuffling is so that direct followup queries
880	# get handled first	1708	# get handled first
881	my $queue = delete $ns->{query_queue};	1709	my $queue = delete $ns->{query_queue}
		1710	or return; # be conservative, not sure how that can happen, but we saw a crash here
882		1711
883	(shift @$queue)->[1]->($msg);	1712	(shift @$queue)->[1]->($msg);
884		1713
885	push @{ $ns->{query_queue} }, @$queue;	1714	push @{ $ns->{query_queue} }, @$queue;
886		1715
887	if (@{ $ns->{query_queue} } == @$queue) {	1716	if (@{ $ns->{query_queue} } == @$queue) {
888	if (@$queue) {	1717	if (@$queue) {
889	$ns->send_packet ($ns->{query_queue}[0][0]);	1718	$ns->send_packet ($ns->{query_queue}[0][0]);
890	} else {	1719	} else {
891	$ns->state (ST_PLAYING);	1720	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
892	}	1721	}
893	}	1722	}
894	},	1723	},
895	);	1724	);
896		1725
…		…
903	=cut	1732	=cut
904		1733
905	sub cf::client::coro {	1734	sub cf::client::coro {
906	my ($self, $cb) = @_;	1735	my ($self, $cb) = @_;
907		1736
908	my $coro; $coro = async {	1737	my $coro = &Coro::async_pool ($cb);
909	eval {	1738
910	$cb->();	1739	$coro->on_destroy (sub {
911	};
912	warn $@ if $@;
913	delete $self->{_coro}{$coro+0};	1740	delete $self->{_coro}{$coro+0};
914	};	1741	});
915		1742
916	$self->{_coro}{$coro+0} = $coro;	1743	$self->{_coro}{$coro+0} = $coro;
		1744
		1745	$coro
917	}	1746	}
918		1747
919	cf::client->attach (	1748	cf::client->attach (
920	on_destroy => sub {	1749	on_destroy => sub {
921	my ($ns) = @_;	1750	my ($ns) = @_;
…		…
1085		1914
1086	{	1915	{
1087	my $path = cf::localdir . "/database.pst";	1916	my $path = cf::localdir . "/database.pst";
1088		1917
1089	sub db_load() {	1918	sub db_load() {
1090	warn "loading database $path\n";#d# remove later
1091	$DB = stat $path ? Storable::retrieve $path : { };	1919	$DB = stat $path ? Storable::retrieve $path : { };
1092	}	1920	}
1093		1921
1094	my $pid;	1922	my $pid;
1095		1923
1096	sub db_save() {	1924	sub db_save() {
1097	warn "saving database $path\n";#d# remove later
1098	waitpid $pid, 0 if $pid;	1925	waitpid $pid, 0 if $pid;
1099	if (0 == ($pid = fork)) {	1926	if (0 == ($pid = fork)) {
1100	$DB->{_meta}{version} = 1;	1927	$DB->{_meta}{version} = 1;
1101	Storable::nstore $DB, "$path~";	1928	Storable::nstore $DB, "$path~";
1102	rename "$path~", $path;	1929	rename "$path~", $path;
…		…
1150	open my $fh, "<:utf8", cf::confdir . "/config"	1977	open my $fh, "<:utf8", cf::confdir . "/config"
1151	or return;	1978	or return;
1152		1979
1153	local $/;	1980	local $/;
1154	*CFG = YAML::Syck::Load <$fh>;	1981	*CFG = YAML::Syck::Load <$fh>;
		1982
		1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		1984
		1985	if (exists $CFG{mlockall}) {
		1986	eval {
		1987	$CFG{mlockall} ? &mlockall : &munlockall
		1988	and die "WARNING: m(un)lockall failed: $!\n";
		1989	};
		1990	warn $@ if $@;
		1991	}
1155	}	1992	}
1156		1993
1157	sub main {	1994	sub main {
		1995	# we must not ever block the main coroutine
		1996	local $Coro::idle = sub {
		1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		1998	(Coro::unblock_sub {
		1999	Event::one_event;
		2000	})->();
		2001	};
		2002
1158	cfg_load;	2003	cfg_load;
1159	db_load;	2004	db_load;
1160	load_extensions;	2005	load_extensions;
1161	Event::loop;	2006	Event::loop;
1162	}	2007	}
1163		2008
1164	#############################################################################	2009	#############################################################################
1165	# initialisation	2010	# initialisation
1166		2011
1167	sub _perl_reload(&) {	2012	sub reload() {
1168	my ($msg) = @_;	2013	# can/must only be called in main
		2014	if ($Coro::current != $Coro::main) {
		2015	warn "can only reload from main coroutine\n";
		2016	return;
		2017	}
1169		2018
1170	$msg->("reloading...");	2019	warn "reloading...";
		2020
		2021	my $guard = freeze_mainloop;
		2022	cf::emergency_save;
1171		2023
1172	eval {	2024	eval {
		2025	# if anything goes wrong in here, we should simply crash as we already saved
		2026
1173	# cancel all watchers	2027	# cancel all watchers
1174	for (Event::all_watchers) {	2028	for (Event::all_watchers) {
1175	$_->cancel if $_->data & WF_AUTOCANCEL;	2029	$_->cancel if $_->data & WF_AUTOCANCEL;
1176	}	2030	}
1177		2031
		2032	# cancel all extension coros
		2033	$_->cancel for values %EXT_CORO;
		2034	%EXT_CORO = ();
		2035
1178	# unload all extensions	2036	# unload all extensions
1179	for (@exts) {	2037	for (@exts) {
1180	$msg->("unloading <$_>");	2038	warn "unloading <$_>";
1181	unload_extension $_;	2039	unload_extension $_;
1182	}	2040	}
1183		2041
1184	# unload all modules loaded from $LIBDIR	2042	# unload all modules loaded from $LIBDIR
1185	while (my ($k, $v) = each %INC) {	2043	while (my ($k, $v) = each %INC) {
1186	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1187		2045
1188	$msg->("removing <$k>");	2046	warn "removing <$k>";
1189	delete $INC{$k};	2047	delete $INC{$k};
1190		2048
1191	$k =~ s/\.pm$//;	2049	$k =~ s/\.pm$//;
1192	$k =~ s/\//::/g;	2050	$k =~ s/\//::/g;
1193		2051
…		…
1198	Symbol::delete_package $k;	2056	Symbol::delete_package $k;
1199	}	2057	}
1200		2058
1201	# sync database to disk	2059	# sync database to disk
1202	cf::db_sync;	2060	cf::db_sync;
		2061	IO::AIO::flush;
1203		2062
1204	# get rid of safe::, as good as possible	2063	# get rid of safe::, as good as possible
1205	Symbol::delete_package "safe::$_"	2064	Symbol::delete_package "safe::$_"
1206	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1207		2066
1208	# remove register_script_function callbacks	2067	# remove register_script_function callbacks
1209	# TODO	2068	# TODO
1210		2069
1211	# unload cf.pm "a bit"	2070	# unload cf.pm "a bit"
…		…
1214	# don't, removes xs symbols, too,	2073	# don't, removes xs symbols, too,
1215	# and global variables created in xs	2074	# and global variables created in xs
1216	#Symbol::delete_package __PACKAGE__;	2075	#Symbol::delete_package __PACKAGE__;
1217		2076
1218	# reload cf.pm	2077	# reload cf.pm
1219	$msg->("reloading cf.pm");	2078	warn "reloading cf.pm";
1220	require cf;	2079	require cf;
		2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1221		2081
1222	# load config and database again	2082	# load config and database again
1223	cf::cfg_load;	2083	cf::cfg_load;
1224	cf::db_load;	2084	cf::db_load;
1225		2085
1226	# load extensions	2086	# load extensions
1227	$msg->("load extensions");	2087	warn "load extensions";
1228	cf::load_extensions;	2088	cf::load_extensions;
1229		2089
1230	# reattach attachments to objects	2090	# reattach attachments to objects
1231	$msg->("reattach");	2091	warn "reattach";
1232	_global_reattach;	2092	_global_reattach;
1233	};	2093	};
1234	$msg->($@) if $@;
1235		2094
1236	$msg->("reloaded");	2095	if ($@) {
		2096	warn $@;
		2097	warn "error while reloading, exiting.";
		2098	exit 1;
		2099	}
		2100
		2101	warn "reloaded successfully";
1237	};	2102	};
1238		2103
1239	sub perl_reload() {	2104	#############################################################################
1240	_perl_reload {	2105
1241	warn $_[0];	2106	unless ($LINK_MAP) {
1242	print "$_[0]\n";	2107	$LINK_MAP = cf::map::new;
1243	};	2108
		2109	$LINK_MAP->width (41);
		2110	$LINK_MAP->height (41);
		2111	$LINK_MAP->alloc;
		2112	$LINK_MAP->path ("{link}");
		2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2115
		2116	# dirty hack because... archetypes are not yet loaded
		2117	Event->timer (
		2118	after => 2,
		2119	cb => sub {
		2120	$_[0]->w->cancel;
		2121
		2122	# provide some exits "home"
		2123	my $exit = cf::object::new "exit";
		2124
		2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2128
		2129	$LINK_MAP->insert ($exit->clone, 19, 19);
		2130	$LINK_MAP->insert ($exit->clone, 19, 20);
		2131	$LINK_MAP->insert ($exit->clone, 19, 21);
		2132	$LINK_MAP->insert ($exit->clone, 20, 19);
		2133	$LINK_MAP->insert ($exit->clone, 20, 21);
		2134	$LINK_MAP->insert ($exit->clone, 21, 19);
		2135	$LINK_MAP->insert ($exit->clone, 21, 20);
		2136	$LINK_MAP->insert ($exit->clone, 21, 21);
		2137
		2138	$exit->destroy;
		2139	});
		2140
		2141	$LINK_MAP->{deny_save} = 1;
		2142	$LINK_MAP->{deny_reset} = 1;
		2143
		2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1244	}	2145	}
1245		2146
1246	register "<global>", __PACKAGE__;	2147	register "<global>", __PACKAGE__;
1247		2148
1248	register_command "perl-reload" => sub {	2149	register_command "reload" => sub {
1249	my ($who, $arg) = @_;	2150	my ($who, $arg) = @_;
1250		2151
1251	if ($who->flag (FLAG_WIZ)) {	2152	if ($who->flag (FLAG_WIZ)) {
1252	_perl_reload {	2153	$who->message ("start of reload.");
1253	warn $_[0];	2154	reload;
1254	$who->message ($_[0]);	2155	$who->message ("end of reload.");
1255	};
1256	}	2156	}
1257	};	2157	};
1258		2158
1259	unshift @INC, $LIBDIR;	2159	unshift @INC, $LIBDIR;
1260		2160
1261	$TICK_WATCHER = Event->timer (	2161	$TICK_WATCHER = Event->timer (
		2162	reentrant => 0,
1262	prio => 0,	2163	prio => 0,
1263	at => $NEXT_TICK || 1,	2164	at => $NEXT_TICK || $TICK,
1264	data => WF_AUTOCANCEL,	2165	data => WF_AUTOCANCEL,
1265	cb => sub {	2166	cb => sub {
1266	cf::server_tick; # one server iteration	2167	cf::server_tick; # one server iteration
1267		2168	$RUNTIME += $TICK;
1268	my $NOW = Event::time;
1269	$NEXT_TICK += $TICK;	2169	$NEXT_TICK += $TICK;
1270		2170
1271	# if we are delayed by four ticks or more, skip them all	2171	# if we are delayed by four ticks or more, skip them all
1272	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1273		2173
1274	$TICK_WATCHER->at ($NEXT_TICK);	2174	$TICK_WATCHER->at ($NEXT_TICK);
1275	$TICK_WATCHER->start;	2175	$TICK_WATCHER->start;
1276	},	2176	},
1277	);	2177	);
1278		2178
1279	IO::AIO::max_poll_time $TICK * 0.2;	2179	IO::AIO::max_poll_time $TICK * 0.2;
1280		2180
		2181	Event->io (
1281	Event->io (fd => IO::AIO::poll_fileno,	2182	fd => IO::AIO::poll_fileno,
1282	poll => 'r',	2183	poll => 'r',
1283	prio => 5,	2184	prio => 5,
1284	data => WF_AUTOCANCEL,	2185	data => WF_AUTOCANCEL,
1285	cb => \&IO::AIO::poll_cb);	2186	cb => \&IO::AIO::poll_cb,
		2187	);
		2188
		2189	Event->timer (
		2190	data => WF_AUTOCANCEL,
		2191	after => 0,
		2192	interval => 10,
		2193	cb => sub {
		2194	(Coro::unblock_sub {
		2195	write_runtime
		2196	or warn "ERROR: unable to write runtime file: $!";
		2197	})->();
		2198	},
		2199	);
		2200
		2201	END { cf::emergency_save }
1286		2202
1287	1	2203	1
1288		2204

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