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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.100 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.148 by root, Mon Jan 8 12:39:16 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
		18	use Coro::AIO;
18		19
		20	use Digest::MD5;
		21	use Fcntl;
19	use IO::AIO 2.3;	22	use IO::AIO 2.32 ();
20	use YAML::Syck ();	23	use YAML::Syck ();
21	use Time::HiRes;	24	use Time::HiRes;
22		25
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
24		27
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
27		30
28	$Coro::main->prio (Coro::PRIO_MIN);	31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29		32
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		34
32	our %COMMAND = ();	35	our %COMMAND = ();
33	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
…		…
37	our $LIBDIR = datadir . "/ext";	40	our $LIBDIR = datadir . "/ext";
38		41
39	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
40	our $TICK_WATCHER;	43	our $TICK_WATCHER;
41	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
42		46
43	our %CFG;	47	our %CFG;
44		48
45	our $UPTIME; $UPTIME ||= time;	49	our $UPTIME; $UPTIME ||= time;
		50	our $RUNTIME;
		51
		52	our %PLAYER; # all users
		53	our %MAP; # all maps
		54	our $LINK_MAP; # the special {link} map
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO; # coroutines bound to extensions
		57
		58	binmode STDOUT;
		59	binmode STDERR;
		60
		61	# read virtual server time, if available
		62	unless ($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	our $EMERGENCY_POSITION;
46		77
47	#############################################################################	78	#############################################################################
48		79
49	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
50		81
51	=over 4	82	=over 4
52		83
53	=item $cf::UPTIME	84	=item $cf::UPTIME
54		85
55	The timestamp of the server start (so not actually an uptime).	86	The timestamp of the server start (so not actually an uptime).
		87
		88	=item $cf::RUNTIME
		89
		90	The time this server has run, starts at 0 and is increased by $cf::TICK on
		91	every server tick.
56		92
57	=item $cf::LIBDIR	93	=item $cf::LIBDIR
58		94
59	The perl library directory, where extensions and cf-specific modules can	95	The perl library directory, where extensions and cf-specific modules can
60	be found. It will be added to C<@INC> automatically.	96	be found. It will be added to C<@INC> automatically.
		97
		98	=item $cf::NOW
		99
		100	The time of the last (current) server tick.
61		101
62	=item $cf::TICK	102	=item $cf::TICK
63		103
64	The interval between server ticks, in seconds.	104	The interval between server ticks, in seconds.
65		105
…		…
73	=cut	113	=cut
74		114
75	BEGIN {	115	BEGIN {
76	*CORE::GLOBAL::warn = sub {	116	*CORE::GLOBAL::warn = sub {
77	my $msg = join "", @_;	117	my $msg = join "", @_;
		118	utf8::encode $msg;
		119
78	$msg .= "\n"	120	$msg .= "\n"
79	unless $msg =~ /\n$/;	121	unless $msg =~ /\n$/;
80		122
81	print STDERR "cfperl: $msg";
82	LOG llevError, "cfperl: $msg";	123	LOG llevError, $msg;
83	};	124	};
84	}	125	}
85		126
86	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
87	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
139	sub to_json($) {	180	sub to_json($) {
140	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
141	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
142	}	183	}
143		184
		185	=item cf::lock_wait $string
		186
		187	Wait until the given lock is available. See cf::lock_acquire.
		188
		189	=item my $lock = cf::lock_acquire $string
		190
		191	Wait until the given lock is available and then acquires it and returns
		192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		193	for example when the coroutine gets canceled), the lock is automatically
		194	returned.
		195
		196	Lock names should begin with a unique identifier (for example, cf::map::find
		197	uses map_find and cf::map::load uses map_load).
		198
		199	=cut
		200
		201	our %LOCK;
		202
		203	sub lock_wait($) {
		204	my ($key) = @_;
		205
		206	# wait for lock, if any
		207	while ($LOCK{$key}) {
		208	push @{ $LOCK{$key} }, $Coro::current;
		209	Coro::schedule;
		210	}
		211	}
		212
		213	sub lock_acquire($) {
		214	my ($key) = @_;
		215
		216	# wait, to be sure we are not locked
		217	lock_wait $key;
		218
		219	$LOCK{$key} = [];
		220
		221	Coro::guard {
		222	# wake up all waiters, to be on the safe side
		223	$_->ready for @{ delete $LOCK{$key} };
		224	}
		225	}
		226
		227	sub freeze_mainloop {
		228	return unless $TICK_WATCHER->is_active;
		229
		230	my $guard = Coro::guard { $TICK_WATCHER->start };
		231	$TICK_WATCHER->stop;
		232	$guard
		233	}
		234
		235	=item cf::async { BLOCK }
		236
		237	Currently the same as Coro::async_pool, meaning you cannot use
		238	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		239	thing you are allowed to do is call C<prio> on it.
		240
		241	=cut
		242
		243	BEGIN { *async = \&Coro::async_pool }
		244
		245	=item cf::sync_job { BLOCK }
		246
		247	The design of crossfire+ requires that the main coro ($Coro::main) is
		248	always able to handle events or runnable, as crossfire+ is only partly
		249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		250
		251	If it must be done, put the blocking parts into C<sync_job>. This will run
		252	the given BLOCK in another coroutine while waiting for the result. The
		253	server will be frozen during this time, so the block should either finish
		254	fast or be very important.
		255
		256	=cut
		257
		258	sub sync_job(&) {
		259	my ($job) = @_;
		260
		261	if ($Coro::current == $Coro::main) {
		262	# this is the main coro, too bad, we have to block
		263	# till the operation succeeds, freezing the server :/
		264
		265	# TODO: use suspend/resume instead
		266	# (but this is cancel-safe)
		267	my $freeze_guard = freeze_mainloop;
		268
		269	my $busy = 1;
		270	my @res;
		271
		272	(async {
		273	@res = eval { $job->() };
		274	warn $@ if $@;
		275	undef $busy;
		276	})->prio (Coro::PRIO_MAX);
		277
		278	while ($busy) {
		279	Coro::cede or Event::one_event;
		280	}
		281
		282	wantarray ? @res : $res[0]
		283	} else {
		284	# we are in another coroutine, how wonderful, everything just works
		285
		286	$job->()
		287	}
		288	}
		289
		290	=item $coro = cf::async_ext { BLOCK }
		291
		292	Like async, but this coro is automcatially being canceled when the
		293	extension calling this is being unloaded.
		294
		295	=cut
		296
		297	sub async_ext(&) {
		298	my $cb = shift;
		299
		300	my $coro = &Coro::async ($cb);
		301
		302	$coro->on_destroy (sub {
		303	delete $EXT_CORO{$coro+0};
		304	});
		305	$EXT_CORO{$coro+0} = $coro;
		306
		307	$coro
		308	}
		309
		310	sub write_runtime {
		311	my $runtime = cf::localdir . "/runtime";
		312
		313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		314	or return;
		315
		316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		318	and return;
		319
		320	aio_fsync $fh
		321	and return;
		322
		323	close $fh
		324	or return;
		325
		326	aio_rename "$runtime~", $runtime
		327	and return;
		328
		329	1
		330	}
		331
144	=back	332	=back
145		333
146	=cut	334	=cut
		335
		336	#############################################################################
		337
		338	package cf::path;
		339
		340	sub new {
		341	my ($class, $path, $base) = @_;
		342
		343	$path = $path->as_string if ref $path;
		344
		345	my $self = bless { }, $class;
		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
		357	} elsif ($path =~ s{^\?random/}{}) {
		358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		359	$self->{random} = cf::from_json $data;
		360	} else {
		361	if ($path =~ s{^~([^/]+)?}{}) {
		362	$self->{user_rel} = 1;
		363
		364	if (defined $1) {
		365	$self->{user} = $1;
		366	} elsif ($base =~ m{^~([^/]+)/}) {
		367	$self->{user} = $1;
		368	} else {
		369	warn "cannot resolve user-relative path without user <$path,$base>\n";
		370	}
		371	} elsif ($path =~ /^\//) {
		372	# already absolute
		373	} else {
		374	$base =~ s{[^/]+/?$}{};
		375	return $class->new ("$base/$path");
		376	}
		377
		378	for ($path) {
		379	redo if s{/\.?/}{/};
		380	redo if s{/[^/]+/\.\./}{/};
		381	}
		382	}
		383
		384	$self->{path} = $path;
		385
		386	$self
		387	}
		388
		389	# the name / primary key / in-game path
		390	sub as_string {
		391	my ($self) = @_;
		392
		393	$self->{user_rel} ? "~$self->{user}$self->{path}"
		394	: $self->{random} ? "?random/$self->{path}"
		395	: $self->{path}
		396	}
		397
		398	# the displayed name, this is a one way mapping
		399	sub visible_name {
		400	my ($self) = @_;
		401
		402	# if (my $rmp = $self->{random}) {
		403	# # todo: be more intelligent about this
		404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		405	# } else {
		406	$self->as_string
		407	# }
		408	}
		409
		410	# escape the /'s in the path
		411	sub _escaped_path {
		412	# ∕ is U+2215
		413	(my $path = $_[0]{path}) =~ s/\//∕/g;
		414	$path
		415	}
		416
		417	# the original (read-only) location
		418	sub load_path {
		419	my ($self) = @_;
		420
		421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		422	}
		423
		424	# the temporary/swap location
		425	sub save_path {
		426	my ($self) = @_;
		427
		428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		431	}
		432
		433	# the unique path, might be eq to save_path
		434	sub uniq_path {
		435	my ($self) = @_;
		436
		437	$self->{user_rel} || $self->{random}
		438	? undef
		439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		440	}
		441
		442	# return random map parameters, or undef
		443	sub random_map_params {
		444	my ($self) = @_;
		445
		446	$self->{random}
		447	}
		448
		449	# this is somewhat ugly, but style maps do need special treatment
		450	sub is_style_map {
		451	$_[0]{path} =~ m{^/styles/}
		452	}
		453
		454	package cf;
147		455
148	#############################################################################	456	#############################################################################
149		457
150	=head2 ATTACHABLE OBJECTS	458	=head2 ATTACHABLE OBJECTS
151		459
…		…
454	=cut	762	=cut
455		763
456	#############################################################################	764	#############################################################################
457	# object support	765	# object support
458		766
		767	sub reattach {
		768	# basically do the same as instantiate, without calling instantiate
		769	my ($obj) = @_;
		770
		771	my $registry = $obj->registry;
		772
		773	@$registry = ();
		774
		775	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
		776
		777	for my $name (keys %{ $obj->{_attachment} || {} }) {
		778	if (my $attach = $attachment{$name}) {
		779	for (@$attach) {
		780	my ($klass, @attach) = @$_;
		781	_attach $registry, $klass, @attach;
		782	}
		783	} else {
		784	warn "object uses attachment '$name' that is not available, postponing.\n";
		785	}
		786	}
		787	}
		788
459	cf::attachable->attach (	789	cf::attachable->attach (
460	prio => -1000000,	790	prio => -1000000,
461	on_instantiate => sub {	791	on_instantiate => sub {
462	my ($obj, $data) = @_;	792	my ($obj, $data) = @_;
463		793
…		…
467	my ($name, $args) = @$_;	797	my ($name, $args) = @$_;
468		798
469	$obj->attach ($name, %{$args || {} });	799	$obj->attach ($name, %{$args || {} });
470	}	800	}
471	},	801	},
472	on_reattach => sub {	802	on_reattach => \&reattach,
473	# basically do the same as instantiate, without calling instantiate
474	my ($obj) = @_;
475	my $registry = $obj->registry;
476
477	@$registry = ();
478
479	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
480
481	for my $name (keys %{ $obj->{_attachment} || {} }) {
482	if (my $attach = $attachment{$name}) {
483	for (@$attach) {
484	my ($klass, @attach) = @$_;
485	_attach $registry, $klass, @attach;
486	}
487	} else {
488	warn "object uses attachment '$name' that is not available, postponing.\n";
489	}
490	}
491	},
492	on_clone => sub {	803	on_clone => sub {
493	my ($src, $dst) = @_;	804	my ($src, $dst) = @_;
494		805
495	@{$dst->registry} = @{$src->registry};	806	@{$dst->registry} = @{$src->registry};
496		807
…		…
502	);	813	);
503		814
504	sub object_freezer_save {	815	sub object_freezer_save {
505	my ($filename, $rdata, $objs) = @_;	816	my ($filename, $rdata, $objs) = @_;
506		817
		818	sync_job {
507	if (length $$rdata) {	819	if (length $$rdata) {
508	warn sprintf "saving %s (%d,%d)\n",	820	warn sprintf "saving %s (%d,%d)\n",
509	$filename, length $$rdata, scalar @$objs;	821	$filename, length $$rdata, scalar @$objs;
510		822
511	if (open my $fh, ">:raw", "$filename~") {	823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
512	chmod SAVE_MODE, $fh;
513	syswrite $fh, $$rdata;
514	close $fh;
515
516	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
517	chmod SAVE_MODE, $fh;	824	chmod SAVE_MODE, $fh;
518	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		826	aio_fsync $fh;
519	close $fh;	827	close $fh;
		828
		829	if (@$objs) {
		830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		831	chmod SAVE_MODE, $fh;
		832	my $data = Storable::nfreeze { version => 1, objs => $objs };
		833	aio_write $fh, 0, (length $data), $data, 0;
		834	aio_fsync $fh;
		835	close $fh;
520	rename "$filename.pst~", "$filename.pst";	836	aio_rename "$filename.pst~", "$filename.pst";
		837	}
		838	} else {
		839	aio_unlink "$filename.pst";
		840	}
		841
		842	aio_rename "$filename~", $filename;
521	} else {	843	} else {
522	unlink "$filename.pst";	844	warn "FATAL: $filename~: $!\n";
523	}	845	}
524
525	rename "$filename~", $filename;
526	} else {	846	} else {
527	warn "FATAL: $filename~: $!\n";
528	}
529	} else {
530	unlink $filename;	847	aio_unlink $filename;
531	unlink "$filename.pst";	848	aio_unlink "$filename.pst";
		849	}
532	}	850	}
533	}	851	}
534		852
535	sub object_freezer_as_string {	853	sub object_freezer_as_string {
536	my ($rdata, $objs) = @_;	854	my ($rdata, $objs) = @_;
…		…
541	}	859	}
542		860
543	sub object_thawer_load {	861	sub object_thawer_load {
544	my ($filename) = @_;	862	my ($filename) = @_;
545		863
546	local $/;	864	my ($data, $av);
547		865
548	my $av;	866	(aio_load $filename, $data) >= 0
		867	or return;
549		868
550	#TODO: use sysread etc.	869	unless (aio_stat "$filename.pst") {
551	if (open my $data, "<:raw:perlio", $filename) {	870	(aio_load "$filename.pst", $av) >= 0
552	$data = <$data>;	871	or return;
553	if (open my $pst, "<:raw:perlio", "$filename.pst") {
554	$av = eval { (Storable::thaw <$pst>)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
555	}	873	}
		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av || []};#d#
556	return ($data, $av);	877	return ($data, $av);
557	}
558
559	()
560	}	878	}
561		879
562	#############################################################################	880	#############################################################################
563	# command handling &c	881	# command handling &c
564		882
…		…
754		1072
755	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
756		1074
757	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
758		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
759	=head3 cf::player	1081	=head3 cf::player
760		1082
761	=over 4	1083	=over 4
762		1084
763	=item cf::player::exists $login	1085	=item cf::player::find $login
764		1086
765	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
766		1088
767	=cut	1089	=cut
768		1090
769	sub cf::player::exists($) {	1091	sub playerdir($) {
770	cf::player::find $_[0]	1092	cf::localdir
771	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1093	. "/"
		1094	. cf::playerdir
		1095	. "/"
		1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1097	}
		1098
		1099	sub path($) {
		1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1101
		1102	(playerdir $login) . "/$login.pl"
		1103	}
		1104
		1105	sub find_active($) {
		1106	$cf::PLAYER{$_[0]}
		1107	and $cf::PLAYER{$_[0]}->active
		1108	and $cf::PLAYER{$_[0]}
		1109	}
		1110
		1111	sub exists($) {
		1112	my ($login) = @_;
		1113
		1114	$cf::PLAYER{$login}
		1115	or cf::sync_job { !aio_stat $login }
		1116	}
		1117
		1118	sub find($) {
		1119	return $cf::PLAYER{$_[0]} || do {
		1120	my $login = $_[0];
		1121
		1122	my $guard = cf::lock_acquire "user_find:$login";
		1123
		1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);
		1125	};
		1126	}
		1127
		1128	sub save($) {
		1129	my ($pl) = @_;
		1130
		1131	return if $pl->{deny_save};
		1132
		1133	my $path = path $pl;
		1134	my $guard = cf::lock_acquire "user_save:$path";
		1135
		1136	return if $pl->{deny_save};
		1137
		1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;
		1139	$pl->{last_save} = $cf::RUNTIME;
		1140
		1141	$pl->save_pl ($path);
		1142	Coro::cede;
		1143	}
		1144
		1145	sub new($) {
		1146	my ($login) = @_;
		1147
		1148	my $self = create;
		1149
		1150	$self->ob->name ($login);
		1151	$self->{deny_save} = 1;
		1152
		1153	$cf::PLAYER{$login} = $self;
		1154
		1155	$self
		1156	}
		1157
		1158	sub quit_character {
		1159	my ($pl) = @_;
		1160
		1161	$pl->{deny_save} = 1;
		1162	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1163
		1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1165	$pl->deactivate;
		1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1167	$pl->ns->destroy if $pl->ns;
		1168
		1169	my $path = playerdir $pl;
		1170	my $temp = "$path~$cf::RUNTIME~deleting~";
		1171	IO::AIO::aio_rename $path, $temp, sub {
		1172	delete $cf::PLAYER{$pl->ob->name};
		1173	$pl->destroy;
		1174
		1175	IO::AIO::aio_rmtree $temp;
		1176	};
772	}	1177	}
773		1178
774	=item $player->ext_reply ($msgid, $msgtype, %msg)	1179	=item $player->ext_reply ($msgid, $msgtype, %msg)
775		1180
776	Sends an ext reply to the player.	1181	Sends an ext reply to the player.
777		1182
778	=cut	1183	=cut
779		1184
780	sub cf::player::ext_reply($$$%) {	1185	sub ext_reply($$$%) {
781	my ($self, $id, %msg) = @_;	1186	my ($self, $id, %msg) = @_;
782		1187
783	$msg{msgid} = $id;	1188	$msg{msgid} = $id;
784		1189
785	$self->send ("ext " . to_json \%msg);	1190	$self->send ("ext " . cf::to_json \%msg);
786	}	1191	}
		1192
		1193	package cf;
787		1194
788	=back	1195	=back
		1196
		1197
		1198	=head3 cf::map
		1199
		1200	=over 4
		1201
		1202	=cut
		1203
		1204	package cf::map;
		1205
		1206	use Fcntl;
		1207	use Coro::AIO;
		1208
		1209	our $MAX_RESET = 3600;
		1210	our $DEFAULT_RESET = 3000;
		1211
		1212	sub generate_random_map {
		1213	my ($path, $rmp) = @_;
		1214
		1215	# mit "rum" bekleckern, nicht
		1216	cf::map::_create_random_map
		1217	$path,
		1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1221	$rmp->{exit_on_final_map},
		1222	$rmp->{xsize}, $rmp->{ysize},
		1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1226	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1228	(cf::region::find $rmp->{region})
		1229	}
		1230
		1231	# and all this just because we cannot iterate over
		1232	# all maps in C++...
		1233	sub change_all_map_light {
		1234	my ($change) = @_;
		1235
		1236	$_->change_map_light ($change)
		1237	for grep $_->outdoor, values %cf::MAP;
		1238	}
		1239
		1240	sub try_load_header($) {
		1241	my ($path) = @_;
		1242
		1243	utf8::encode $path;
		1244	aio_open $path, O_RDONLY, 0
		1245	or return;
		1246
		1247	my $map = cf::map::new
		1248	or return;
		1249
		1250	# for better error messages only, will be overwritten
		1251	$map->path ($path);
		1252
		1253	$map->load_header ($path)
		1254	or return;
		1255
		1256	$map->{load_path} = $path;
		1257
		1258	$map
		1259	}
		1260
		1261	sub find;
		1262	sub find {
		1263	my ($path, $origin) = @_;
		1264
		1265	#warn "find<$path,$origin>\n";#d#
		1266
		1267	$path = new cf::path $path, $origin && $origin->path;
		1268	my $key = $path->as_string;
		1269
		1270	cf::lock_wait "map_find:$key";
		1271
		1272	$cf::MAP{$key} || do {
		1273	my $guard = cf::lock_acquire "map_find:$key";
		1274
		1275	# do it the slow way
		1276	my $map = try_load_header $path->save_path;
		1277
		1278	Coro::cede;
		1279
		1280	if ($map) {
		1281	$map->last_access ((delete $map->{last_access})
		1282	|| $cf::RUNTIME); #d#
		1283	# safety
		1284	$map->{instantiate_time} = $cf::RUNTIME
		1285	if $map->{instantiate_time} > $cf::RUNTIME;
		1286	} else {
		1287	if (my $rmp = $path->random_map_params) {
		1288	$map = generate_random_map $key, $rmp;
		1289	} else {
		1290	$map = try_load_header $path->load_path;
		1291	}
		1292
		1293	$map or return;
		1294
		1295	$map->{load_original} = 1;
		1296	$map->{instantiate_time} = $cf::RUNTIME;
		1297	$map->last_access ($cf::RUNTIME);
		1298	$map->instantiate;
		1299
		1300	# per-player maps become, after loading, normal maps
		1301	$map->per_player (0) if $path->{user_rel};
		1302	}
		1303
		1304	$map->path ($key);
		1305	$map->{path} = $path;
		1306	$map->{last_save} = $cf::RUNTIME;
		1307
		1308	Coro::cede;
		1309
		1310	if ($map->should_reset) {
		1311	$map->reset;
		1312	undef $guard;
		1313	$map = find $path
		1314	or return;
		1315	}
		1316
		1317	$cf::MAP{$key} = $map
		1318	}
		1319	}
		1320
		1321	sub load {
		1322	my ($self) = @_;
		1323
		1324	my $path = $self->{path};
		1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1326
		1327	return if $self->in_memory != cf::MAP_SWAPPED;
		1328
		1329	$self->in_memory (cf::MAP_LOADING);
		1330
		1331	$self->alloc;
		1332	$self->load_objects ($self->{load_path}, 1)
		1333	or return;
		1334
		1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1336	if delete $self->{load_original};
		1337
		1338	if (my $uniq = $path->uniq_path) {
		1339	utf8::encode $uniq;
		1340	if (aio_open $uniq, O_RDONLY, 0) {
		1341	$self->clear_unique_items;
		1342	$self->load_objects ($uniq, 0);
		1343	}
		1344	}
		1345
		1346	Coro::cede;
		1347
		1348	# now do the right thing for maps
		1349	$self->link_multipart_objects;
		1350
		1351	if ($self->{path}->is_style_map) {
		1352	$self->{deny_save} = 1;
		1353	$self->{deny_reset} = 1;
		1354	} else {
		1355	$self->fix_auto_apply;
		1356	$self->decay_objects;
		1357	$self->update_buttons;
		1358	$self->set_darkness_map;
		1359	$self->difficulty ($self->estimate_difficulty)
		1360	unless $self->difficulty;
		1361	$self->activate;
		1362	}
		1363
		1364	Coro::cede;
		1365
		1366	$self->in_memory (cf::MAP_IN_MEMORY);
		1367	}
		1368
		1369	sub find_sync {
		1370	my ($path, $origin) = @_;
		1371
		1372	cf::sync_job { cf::map::find $path, $origin }
		1373	}
		1374
		1375	sub do_load_sync {
		1376	my ($map) = @_;
		1377
		1378	cf::sync_job { $map->load };
		1379	}
		1380
		1381	sub save {
		1382	my ($self) = @_;
		1383
		1384	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1385
		1386	$self->{last_save} = $cf::RUNTIME;
		1387
		1388	return unless $self->dirty;
		1389
		1390	my $save = $self->{path}->save_path; utf8::encode $save;
		1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1392
		1393	$self->{load_path} = $save;
		1394
		1395	return if $self->{deny_save};
		1396
		1397	local $self->{last_access} = $self->last_access;#d#
		1398
		1399	cf::async {
		1400	$_->contr->save for $self->players;
		1401	};
		1402
		1403	if ($uniq) {
		1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1405	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1406	} else {
		1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1408	}
		1409	}
		1410
		1411	sub swap_out {
		1412	my ($self) = @_;
		1413
		1414	# save first because save cedes
		1415	$self->save;
		1416
		1417	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1418
		1419	return if $self->players;
		1420	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1421	return if $self->{deny_save};
		1422
		1423	$self->clear;
		1424	$self->in_memory (cf::MAP_SWAPPED);
		1425	}
		1426
		1427	sub reset_at {
		1428	my ($self) = @_;
		1429
		1430	# TODO: safety, remove and allow resettable per-player maps
		1431	return 1e99 if $self->{path}{user_rel};
		1432	return 1e99 if $self->{deny_reset};
		1433
		1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1436
		1437	$time + $to
		1438	}
		1439
		1440	sub should_reset {
		1441	my ($self) = @_;
		1442
		1443	$self->reset_at <= $cf::RUNTIME
		1444	}
		1445
		1446	sub unlink_save {
		1447	my ($self) = @_;
		1448
		1449	utf8::encode (my $save = $self->{path}->save_path);
		1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1452	}
		1453
		1454	sub rename {
		1455	my ($self, $new_path) = @_;
		1456
		1457	$self->unlink_save;
		1458
		1459	delete $cf::MAP{$self->path};
		1460	$self->{path} = new cf::path $new_path;
		1461	$self->path ($self->{path}->as_string);
		1462	$cf::MAP{$self->path} = $self;
		1463
		1464	$self->save;
		1465	}
		1466
		1467	sub reset {
		1468	my ($self) = @_;
		1469
		1470	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1471
		1472	return if $self->players;
		1473	return if $self->{path}{user_rel};#d#
		1474
		1475	warn "resetting map ", $self->path;#d#
		1476
		1477	delete $cf::MAP{$self->path};
		1478
		1479	$_->clear_links_to ($self) for values %cf::MAP;
		1480
		1481	$self->unlink_save;
		1482	$self->destroy;
		1483	}
		1484
		1485	my $nuke_counter = "aaaa";
		1486
		1487	sub nuke {
		1488	my ($self) = @_;
		1489
		1490	$self->{deny_save} = 1;
		1491	$self->reset_timeout (1);
		1492	$self->rename ("{nuke}/" . ($nuke_counter++));
		1493	$self->reset; # polite request, might not happen
		1494	}
		1495
		1496	sub customise_for {
		1497	my ($map, $ob) = @_;
		1498
		1499	if ($map->per_player) {
		1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1501	}
		1502
		1503	$map
		1504	}
		1505
		1506	sub emergency_save {
		1507	my $freeze_guard = cf::freeze_mainloop;
		1508
		1509	warn "enter emergency perl save\n";
		1510
		1511	cf::sync_job {
		1512	warn "begin emergency player save\n";
		1513	$_->save for values %cf::PLAYER;
		1514	warn "end emergency player save\n";
		1515
		1516	warn "begin emergency map save\n";
		1517	$_->save for values %cf::MAP;
		1518	warn "end emergency map save\n";
		1519	};
		1520
		1521	warn "leave emergency perl save\n";
		1522	}
		1523
		1524	package cf;
		1525
		1526	=back
		1527
789		1528
790	=head3 cf::object::player	1529	=head3 cf::object::player
791		1530
792	=over 4	1531	=over 4
793		1532
…		…
829	(ref $cf::CFG{"may_$access"}	1568	(ref $cf::CFG{"may_$access"}
830	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1569	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
831	: $cf::CFG{"may_$access"})	1570	: $cf::CFG{"may_$access"})
832	}	1571	}
833		1572
		1573	=item $player_object->enter_link
		1574
		1575	Freezes the player and moves him/her to a special map (C<{link}>).
		1576
		1577	The player should be reaosnably safe there for short amounts of time. You
		1578	I<MUST> call C<leave_link> as soon as possible, though.
		1579
		1580	=item $player_object->leave_link ($map, $x, $y)
		1581
		1582	Moves the player out of the specila link map onto the given map. If the
		1583	map is not valid (or omitted), the player will be moved back to the
		1584	location he/she was before the call to C<enter_link>, or, if that fails,
		1585	to the emergency map position.
		1586
		1587	Might block.
		1588
		1589	=cut
		1590
		1591	sub cf::object::player::enter_link {
		1592	my ($self) = @_;
		1593
		1594	$self->deactivate_recursive;
		1595
		1596	return if $self->map == $LINK_MAP;
		1597
		1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1599	if $self->map;
		1600
		1601	$self->enter_map ($LINK_MAP, 20, 20);
		1602	}
		1603
		1604	sub cf::object::player::leave_link {
		1605	my ($self, $map, $x, $y) = @_;
		1606
		1607	my $link_pos = delete $self->{_link_pos};
		1608
		1609	unless ($map) {
		1610	# restore original map position
		1611	($map, $x, $y) = @{ $link_pos || [] };
		1612	$map = cf::map::find $map;
		1613
		1614	unless ($map) {
		1615	($map, $x, $y) = @$EMERGENCY_POSITION;
		1616	$map = cf::map::find $map
		1617	or die "FATAL: cannot load emergency map\n";
		1618	}
		1619	}
		1620
		1621	($x, $y) = (-1, -1)
		1622	unless (defined $x) && (defined $y);
		1623
		1624	# use -1 or undef as default coordinates, not 0, 0
		1625	($x, $y) = ($map->enter_x, $map->enter_y)
		1626	if $x <=0 && $y <= 0;
		1627
		1628	$map->load;
		1629
		1630	return unless $self->contr->active;
		1631	$self->activate_recursive;
		1632	$self->enter_map ($map, $x, $y);
		1633	}
		1634
		1635	cf::player->attach (
		1636	on_logout => sub {
		1637	my ($pl) = @_;
		1638
		1639	# abort map switching before logout
		1640	if ($pl->ob->{_link_pos}) {
		1641	cf::sync_job {
		1642	$pl->ob->leave_link
		1643	};
		1644	}
		1645	},
		1646	on_login => sub {
		1647	my ($pl) = @_;
		1648
		1649	# try to abort aborted map switching on player login :)
		1650	# should happen only on crashes
		1651	if ($pl->ob->{_link_pos}) {
		1652	$pl->ob->enter_link;
		1653	(async {
		1654	# we need this sleep as the login has a concurrent enter_exit running
		1655	# and this sleep increases chances of the player not ending up in scorn
		1656	$pl->ob->reply (undef,
		1657	"There was an internal problem at your last logout, "
		1658	. "the server will try to bring you to your intended destination in a second.",
		1659	cf::NDI_RED);
		1660	Coro::Timer::sleep 1;
		1661	$pl->ob->leave_link;
		1662	})->prio (2);
		1663	}
		1664	},
		1665	);
		1666
		1667	=item $player_object->goto ($path, $x, $y)
		1668
		1669	=cut
		1670
		1671	sub cf::object::player::goto {
		1672	my ($self, $path, $x, $y) = @_;
		1673
		1674	$self->enter_link;
		1675
		1676	(async {
		1677	$path = new cf::path $path;
		1678
		1679	my $map = cf::map::find $path->as_string;
		1680	$map = $map->customise_for ($self) if $map;
		1681
		1682	# warn "entering ", $map->path, " at ($x, $y)\n"
		1683	# if $map;
		1684
		1685	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1686
		1687	$self->leave_link ($map, $x, $y);
		1688	})->prio (1);
		1689	}
		1690
		1691	=item $player_object->enter_exit ($exit_object)
		1692
		1693	=cut
		1694
		1695	sub parse_random_map_params {
		1696	my ($spec) = @_;
		1697
		1698	my $rmp = { # defaults
		1699	xsize => 10,
		1700	ysize => 10,
		1701	};
		1702
		1703	for (split /\n/, $spec) {
		1704	my ($k, $v) = split /\s+/, $_, 2;
		1705
		1706	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1707	}
		1708
		1709	$rmp
		1710	}
		1711
		1712	sub prepare_random_map {
		1713	my ($exit) = @_;
		1714
		1715	# all this does is basically replace the /! path by
		1716	# a new random map path (?random/...) with a seed
		1717	# that depends on the exit object
		1718
		1719	my $rmp = parse_random_map_params $exit->msg;
		1720
		1721	if ($exit->map) {
		1722	$rmp->{region} = $exit->map->region_name;
		1723	$rmp->{origin_map} = $exit->map->path;
		1724	$rmp->{origin_x} = $exit->x;
		1725	$rmp->{origin_y} = $exit->y;
		1726	}
		1727
		1728	$rmp->{random_seed} ||= $exit->random_seed;
		1729
		1730	my $data = cf::to_json $rmp;
		1731	my $md5 = Digest::MD5::md5_hex $data;
		1732
		1733	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1734	aio_write $fh, 0, (length $data), $data, 0;
		1735
		1736	$exit->slaying ("?random/$md5");
		1737	$exit->msg (undef);
		1738	}
		1739	}
		1740
		1741	sub cf::object::player::enter_exit {
		1742	my ($self, $exit) = @_;
		1743
		1744	return unless $self->type == cf::PLAYER;
		1745
		1746	$self->enter_link;
		1747
		1748	(async {
		1749	$self->deactivate_recursive; # just to be sure
		1750	unless (eval {
		1751	prepare_random_map $exit
		1752	if $exit->slaying eq "/!";
		1753
		1754	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1755	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1756
		1757	1;
		1758	}) {
		1759	$self->message ("Something went wrong deep within the crossfire server. "
		1760	. "I'll try to bring you back to the map you were before. "
		1761	. "Please report this to the dungeon master",
		1762	cf::NDI_UNIQUE | cf::NDI_RED);
		1763
		1764	warn "ERROR in enter_exit: $@";
		1765	$self->leave_link;
		1766	}
		1767	})->prio (1);
		1768	}
		1769
834	=head3 cf::client	1770	=head3 cf::client
835		1771
836	=over 4	1772	=over 4
837		1773
838	=item $client->send_drawinfo ($text, $flags)	1774	=item $client->send_drawinfo ($text, $flags)
…		…
881	on_reply => sub {	1817	on_reply => sub {
882	my ($ns, $msg) = @_;	1818	my ($ns, $msg) = @_;
883		1819
884	# this weird shuffling is so that direct followup queries	1820	# this weird shuffling is so that direct followup queries
885	# get handled first	1821	# get handled first
886	my $queue = delete $ns->{query_queue};	1822	my $queue = delete $ns->{query_queue}
		1823	or return; # be conservative, not sure how that can happen, but we saw a crash here
887		1824
888	(shift @$queue)->[1]->($msg);	1825	(shift @$queue)->[1]->($msg);
889		1826
890	push @{ $ns->{query_queue} }, @$queue;	1827	push @{ $ns->{query_queue} }, @$queue;
891		1828
…		…
897	}	1834	}
898	}	1835	}
899	},	1836	},
900	);	1837	);
901		1838
902	=item $client->coro (\&cb)	1839	=item $client->async (\&cb)
903		1840
904	Create a new coroutine, running the specified callback. The coroutine will	1841	Create a new coroutine, running the specified callback. The coroutine will
905	be automatically cancelled when the client gets destroyed (e.g. on logout,	1842	be automatically cancelled when the client gets destroyed (e.g. on logout,
906	or loss of connection).	1843	or loss of connection).
907		1844
908	=cut	1845	=cut
909		1846
910	sub cf::client::coro {	1847	sub cf::client::async {
911	my ($self, $cb) = @_;	1848	my ($self, $cb) = @_;
912		1849
913	my $coro; $coro = async {	1850	my $coro = &Coro::async ($cb);
914	eval {	1851
915	$cb->();	1852	$coro->on_destroy (sub {
916	};
917	warn $@ if $@;
918	delete $self->{_coro}{$coro+0};	1853	delete $self->{_coro}{$coro+0};
919	};	1854	});
920		1855
921	$self->{_coro}{$coro+0} = $coro;	1856	$self->{_coro}{$coro+0} = $coro;
		1857
		1858	$coro
922	}	1859	}
923		1860
924	cf::client->attach (	1861	cf::client->attach (
925	on_destroy => sub {	1862	on_destroy => sub {
926	my ($ns) = @_;	1863	my ($ns) = @_;
…		…
1090		2027
1091	{	2028	{
1092	my $path = cf::localdir . "/database.pst";	2029	my $path = cf::localdir . "/database.pst";
1093		2030
1094	sub db_load() {	2031	sub db_load() {
1095	warn "loading database $path\n";#d# remove later
1096	$DB = stat $path ? Storable::retrieve $path : { };	2032	$DB = stat $path ? Storable::retrieve $path : { };
1097	}	2033	}
1098		2034
1099	my $pid;	2035	my $pid;
1100		2036
1101	sub db_save() {	2037	sub db_save() {
1102	warn "saving database $path\n";#d# remove later
1103	waitpid $pid, 0 if $pid;	2038	waitpid $pid, 0 if $pid;
1104	if (0 == ($pid = fork)) {	2039	if (0 == ($pid = fork)) {
1105	$DB->{_meta}{version} = 1;	2040	$DB->{_meta}{version} = 1;
1106	Storable::nstore $DB, "$path~";	2041	Storable::nstore $DB, "$path~";
1107	rename "$path~", $path;	2042	rename "$path~", $path;
…		…
1155	open my $fh, "<:utf8", cf::confdir . "/config"	2090	open my $fh, "<:utf8", cf::confdir . "/config"
1156	or return;	2091	or return;
1157		2092
1158	local $/;	2093	local $/;
1159	*CFG = YAML::Syck::Load <$fh>;	2094	*CFG = YAML::Syck::Load <$fh>;
		2095
		2096	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2097
		2098	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2099	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2100
		2101	if (exists $CFG{mlockall}) {
		2102	eval {
		2103	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2104	and die "WARNING: m(un)lockall failed: $!\n";
		2105	};
		2106	warn $@ if $@;
		2107	}
1160	}	2108	}
1161		2109
1162	sub main {	2110	sub main {
		2111	# we must not ever block the main coroutine
		2112	local $Coro::idle = sub {
		2113	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2114	async { Event::one_event };
		2115	};
		2116
1163	cfg_load;	2117	cfg_load;
1164	db_load;	2118	db_load;
1165	load_extensions;	2119	load_extensions;
1166	Event::loop;	2120	Event::loop;
1167	}	2121	}
1168		2122
1169	#############################################################################	2123	#############################################################################
1170	# initialisation	2124	# initialisation
1171		2125
1172	sub _perl_reload(&) {	2126	sub reload() {
1173	my ($msg) = @_;	2127	# can/must only be called in main
		2128	if ($Coro::current != $Coro::main) {
		2129	warn "can only reload from main coroutine\n";
		2130	return;
		2131	}
1174		2132
1175	$msg->("reloading...");	2133	warn "reloading...";
		2134
		2135	my $guard = freeze_mainloop;
		2136	cf::emergency_save;
1176		2137
1177	eval {	2138	eval {
		2139	# if anything goes wrong in here, we should simply crash as we already saved
		2140
1178	# cancel all watchers	2141	# cancel all watchers
1179	for (Event::all_watchers) {	2142	for (Event::all_watchers) {
1180	$_->cancel if $_->data & WF_AUTOCANCEL;	2143	$_->cancel if $_->data & WF_AUTOCANCEL;
1181	}	2144	}
1182		2145
		2146	# cancel all extension coros
		2147	$_->cancel for values %EXT_CORO;
		2148	%EXT_CORO = ();
		2149
1183	# unload all extensions	2150	# unload all extensions
1184	for (@exts) {	2151	for (@exts) {
1185	$msg->("unloading <$_>");	2152	warn "unloading <$_>";
1186	unload_extension $_;	2153	unload_extension $_;
1187	}	2154	}
1188		2155
1189	# unload all modules loaded from $LIBDIR	2156	# unload all modules loaded from $LIBDIR
1190	while (my ($k, $v) = each %INC) {	2157	while (my ($k, $v) = each %INC) {
1191	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1192		2159
1193	$msg->("removing <$k>");	2160	warn "removing <$k>";
1194	delete $INC{$k};	2161	delete $INC{$k};
1195		2162
1196	$k =~ s/\.pm$//;	2163	$k =~ s/\.pm$//;
1197	$k =~ s/\//::/g;	2164	$k =~ s/\//::/g;
1198		2165
…		…
1203	Symbol::delete_package $k;	2170	Symbol::delete_package $k;
1204	}	2171	}
1205		2172
1206	# sync database to disk	2173	# sync database to disk
1207	cf::db_sync;	2174	cf::db_sync;
		2175	IO::AIO::flush;
1208		2176
1209	# get rid of safe::, as good as possible	2177	# get rid of safe::, as good as possible
1210	Symbol::delete_package "safe::$_"	2178	Symbol::delete_package "safe::$_"
1211	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1212		2180
1213	# remove register_script_function callbacks	2181	# remove register_script_function callbacks
1214	# TODO	2182	# TODO
1215		2183
1216	# unload cf.pm "a bit"	2184	# unload cf.pm "a bit"
…		…
1219	# don't, removes xs symbols, too,	2187	# don't, removes xs symbols, too,
1220	# and global variables created in xs	2188	# and global variables created in xs
1221	#Symbol::delete_package __PACKAGE__;	2189	#Symbol::delete_package __PACKAGE__;
1222		2190
1223	# reload cf.pm	2191	# reload cf.pm
1224	$msg->("reloading cf.pm");	2192	warn "reloading cf.pm";
1225	require cf;	2193	require cf;
1226	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1227
1228		2195
1229	# load config and database again	2196	# load config and database again
1230	cf::cfg_load;	2197	cf::cfg_load;
1231	cf::db_load;	2198	cf::db_load;
1232		2199
1233	# load extensions	2200	# load extensions
1234	$msg->("load extensions");	2201	warn "load extensions";
1235	cf::load_extensions;	2202	cf::load_extensions;
1236		2203
1237	# reattach attachments to objects	2204	# reattach attachments to objects
1238	$msg->("reattach");	2205	warn "reattach";
1239	_global_reattach;	2206	_global_reattach;
		2207	reattach $_ for values %MAP;
1240	};	2208	};
1241	$msg->($@) if $@;
1242		2209
1243	$msg->("reloaded");	2210	if ($@) {
		2211	warn $@;
		2212	warn "error while reloading, exiting.";
		2213	exit 1;
		2214	}
		2215
		2216	warn "reloaded successfully";
1244	};	2217	};
1245		2218
1246	sub perl_reload() {	2219	#############################################################################
1247	_perl_reload {	2220
1248	warn $_[0];	2221	unless ($LINK_MAP) {
1249	print "$_[0]\n";	2222	$LINK_MAP = cf::map::new;
1250	};	2223
		2224	$LINK_MAP->width (41);
		2225	$LINK_MAP->height (41);
		2226	$LINK_MAP->alloc;
		2227	$LINK_MAP->path ("{link}");
		2228	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2229	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2230
		2231	# dirty hack because... archetypes are not yet loaded
		2232	Event->timer (
		2233	after => 10,
		2234	cb => sub {
		2235	$_[0]->w->cancel;
		2236
		2237	# provide some exits "home"
		2238	my $exit = cf::object::new "exit";
		2239
		2240	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2241	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2242	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2243
		2244	$LINK_MAP->insert ($exit->clone, 19, 19);
		2245	$LINK_MAP->insert ($exit->clone, 19, 20);
		2246	$LINK_MAP->insert ($exit->clone, 19, 21);
		2247	$LINK_MAP->insert ($exit->clone, 20, 19);
		2248	$LINK_MAP->insert ($exit->clone, 20, 21);
		2249	$LINK_MAP->insert ($exit->clone, 21, 19);
		2250	$LINK_MAP->insert ($exit->clone, 21, 20);
		2251	$LINK_MAP->insert ($exit->clone, 21, 21);
		2252
		2253	$exit->destroy;
		2254	});
		2255
		2256	$LINK_MAP->{deny_save} = 1;
		2257	$LINK_MAP->{deny_reset} = 1;
		2258
		2259	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1251	}	2260	}
1252		2261
1253	register "<global>", __PACKAGE__;	2262	register "<global>", __PACKAGE__;
1254		2263
1255	register_command "perl-reload" => sub {	2264	register_command "reload" => sub {
1256	my ($who, $arg) = @_;	2265	my ($who, $arg) = @_;
1257		2266
1258	if ($who->flag (FLAG_WIZ)) {	2267	if ($who->flag (FLAG_WIZ)) {
1259	_perl_reload {	2268	$who->message ("start of reload.");
1260	warn $_[0];	2269	reload;
1261	$who->message ($_[0]);	2270	$who->message ("end of reload.");
1262	};
1263	}	2271	}
1264	};	2272	};
1265		2273
1266	unshift @INC, $LIBDIR;	2274	unshift @INC, $LIBDIR;
1267		2275
1268	$TICK_WATCHER = Event->timer (	2276	$TICK_WATCHER = Event->timer (
		2277	reentrant => 0,
1269	prio => 0,	2278	prio => 0,
1270	at => $NEXT_TICK || 1,	2279	at => $NEXT_TICK || $TICK,
1271	data => WF_AUTOCANCEL,	2280	data => WF_AUTOCANCEL,
1272	cb => sub {	2281	cb => sub {
1273	cf::server_tick; # one server iteration	2282	cf::server_tick; # one server iteration
1274		2283	$RUNTIME += $TICK;
1275	my $NOW = Event::time;
1276	$NEXT_TICK += $TICK;	2284	$NEXT_TICK += $TICK;
1277		2285
1278	# if we are delayed by four ticks or more, skip them all	2286	# if we are delayed by four ticks or more, skip them all
1279	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1280		2288
1281	$TICK_WATCHER->at ($NEXT_TICK);	2289	$TICK_WATCHER->at ($NEXT_TICK);
1282	$TICK_WATCHER->start;	2290	$TICK_WATCHER->start;
1283	},	2291	},
1284	);	2292	);
1285		2293
1286	IO::AIO::max_poll_time $TICK * 0.2;	2294	IO::AIO::max_poll_time $TICK * 0.2;
1287		2295
		2296	Event->io (
1288	Event->io (fd => IO::AIO::poll_fileno,	2297	fd => IO::AIO::poll_fileno,
1289	poll => 'r',	2298	poll => 'r',
1290	prio => 5,	2299	prio => 5,
1291	data => WF_AUTOCANCEL,	2300	data => WF_AUTOCANCEL,
1292	cb => \&IO::AIO::poll_cb);	2301	cb => \&IO::AIO::poll_cb,
		2302	);
		2303
		2304	Event->timer (
		2305	data => WF_AUTOCANCEL,
		2306	after => 0,
		2307	interval => 10,
		2308	cb => sub {
		2309	(Coro::unblock_sub {
		2310	write_runtime
		2311	or warn "ERROR: unable to write runtime file: $!";
		2312	})->();
		2313	},
		2314	);
		2315
		2316	END { cf::emergency_save }
1293		2317
1294	1	2318	1
1295		2319

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