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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 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 3.3 ();	13	use Coro 3.5 ();
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	use Coro::AIO;
19		19
		20	use BDB ();
20	use Data::Dumper;	21	use Data::Dumper;
21	use Digest::MD5;	22	use Digest::MD5;
22	use Fcntl;	23	use Fcntl;
23	use IO::AIO 2.32 ();	24	use IO::AIO 2.32 ();
24	use YAML::Syck ();	25	use YAML::Syck ();
25	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26		30
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
28		34
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
31		37
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		39
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35
36	our %COMMAND = ();	40	our %COMMAND = ();
37	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
39		47
		48	our $RELOAD; # number of reloads so far
40	our @EVENT;	49	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	50	our $LIBDIR = datadir . "/ext";
42		51
43	our $TICK = MAX_TIME * 1e-6;	52	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	53	our $TICK_WATCHER;
		54	our $AIO_POLL_WATCHER;
		55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	56	our $NEXT_TICK;
46	our $NOW;	57	our $NOW;
		58	our $USE_FSYNC = 1; # use fsync to write maps - default off
		59
		60	our $BDB_POLL_WATCHER;
		61	our $DB_ENV;
47		62
48	our %CFG;	63	our %CFG;
49		64
50	our $UPTIME; $UPTIME ||= time;	65	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	66	our $RUNTIME;
52		67
53	our %PLAYER; # all users	68	our %PLAYER; # all users
54	our %MAP; # all maps	69	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	70	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	71	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	72	our $BDB_ENV_DIR = cf::localdir . "/db";
		73
		74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		76
		77	# used to convert map paths into valid unix filenames by replacing / by ∕
		78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		79
59	binmode STDOUT;	80	binmode STDOUT;
60	binmode STDERR;	81	binmode STDERR;
61		82
62	# read virtual server time, if available	83	# read virtual server time, if available
…		…
69	mkdir cf::localdir;	90	mkdir cf::localdir;
70	mkdir cf::localdir . "/" . cf::playerdir;	91	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	92	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	93	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	94	mkdir $RANDOM_MAPS;
		95	mkdir $BDB_ENV_DIR;
74		96
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	97	our $EMERGENCY_POSITION;
		98
		99	sub cf::map::normalise;
78		100
79	#############################################################################	101	#############################################################################
80		102
81	=head2 GLOBAL VARIABLES	103	=head2 GLOBAL VARIABLES
82		104
…		…
106		128
107	=item %cf::CFG	129	=item %cf::CFG
108		130
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	131	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	132	from wherever your confdir points to.
		133
		134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		135
		136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		138	processing has been done. Call C<< ->wait >> on them to maximise the
		139	window of cpu time available, or simply to synchronise to the server tick.
111		140
112	=back	141	=back
113		142
114	=cut	143	=cut
115		144
…		…
146	}	175	}
147		176
148	$Event::DIED = sub {	177	$Event::DIED = sub {
149	warn "error in event callback: @_";	178	warn "error in event callback: @_";
150	};	179	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		180
156	=head2 UTILITY FUNCTIONS	181	=head2 UTILITY FUNCTIONS
157		182
158	=over 4	183	=over 4
159		184
…		…
247	}	272	}
248		273
249	sub freeze_mainloop {	274	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	275	return unless $TICK_WATCHER->is_active;
251		276
252	my $guard = Coro::guard { $TICK_WATCHER->start };	277	my $guard = Coro::guard {
		278	$TICK_WATCHER->start;
		279	};
253	$TICK_WATCHER->stop;	280	$TICK_WATCHER->stop;
254	$guard	281	$guard
255	}	282	}
256		283
257	=item cf::async { BLOCK }	284	=item cf::async { BLOCK }
…		…
309	}	336	}
310	}	337	}
311		338
312	=item $coro = cf::async_ext { BLOCK }	339	=item $coro = cf::async_ext { BLOCK }
313		340
314	Like async, but this coro is automcatially being canceled when the	341	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	342	extension calling this is being unloaded.
316		343
317	=cut	344	=cut
318		345
319	sub async_ext(&) {	346	sub async_ext(&) {
…		…
328		355
329	$coro	356	$coro
330	}	357	}
331		358
332	sub write_runtime {	359	sub write_runtime {
		360	my $guard = cf::lock_acquire "write_runtime";
		361
333	my $runtime = cf::localdir . "/runtime";	362	my $runtime = cf::localdir . "/runtime";
334		363
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	365	or return;
337		366
		367	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	368	# 10 is the runtime save interval, for a monotonic clock
		369	# 60 allows for the watchdog to kill the server.
		370
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	372	and return;
341		373
		374	# always fsync - this file is important
342	aio_fsync $fh	375	aio_fsync $fh
343	and return;	376	and return;
344		377
345	close $fh	378	close $fh
346	or return;	379	or return;
…		…
352	}	385	}
353		386
354	=back	387	=back
355		388
356	=cut	389	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		390
480	#############################################################################	391	#############################################################################
481		392
482	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
483		394
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	521	our @CB_MAP = ();
611		522
612	my %attachment;	523	my %attachment;
613		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
614	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
616		533
617	use sort 'stable';	534	use sort 'stable';
618		535
…		…
789	# object support	706	# object support
790		707
791	sub reattach {	708	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		713
795	my $registry = $obj->registry;	714	my $registry = $obj->registry;
796		715
797	@$registry = ();	716	@$registry = ();
798		717
…		…
845	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
846		765
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	770	close $fh;
852		771
853	if (@$objs) {	772	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	778	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
861	}	780	}
862	} else {	781	} else {
863	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
930	=cut	849	=cut
931		850
932	sub register_extcmd {	851	sub register_extcmd {
933	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
934		853
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
939	}	855	}
940		856
941	cf::player->attach (	857	cf::player->attach (
942	on_command => sub {	858	on_command => sub {
943	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
956		872
957	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
958		874
959	if (ref $msg) {	875	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	879	}
964	}	880	}
965	} else {	881	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		884
969	cf::override;	885	cf::override;
970	},	886	},
971	);	887	);
972		888
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	889	sub load_extension {
980	my ($path) = @_;	890	my ($path) = @_;
981		891
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	893	my $base = $1;
984	my $pkg = $1;	894	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
987		897
988	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
989		899
990	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
991	or die "$path: $!";	901	or die "$path: $!";
992		902
993	my $source =	903	my $source =
994	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
997	. "\n};\n1";	907	. "\n};\n1";
998		908
999	eval $source	909	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	911	: "extension disabled.\n";
1002		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	913	warn $@;
1004	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
1005		915	exit 1;
1006	# no strict 'refs';	916	}
1007	# @{"$pkg\::ISA"} = ext::;	917	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	918	}
1022		919
1023	# remove commands	920	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	921	}
1048		922
1049	sub load_extensions {	923	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	925	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1056	}	930	}
1057	}	931	}
1058		932
1059	#############################################################################	933	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		934
1097	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1098		936
1099	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1100		938
…		…
1136		974
1137	sub exists($) {	975	sub exists($) {
1138	my ($login) = @_;	976	my ($login) = @_;
1139		977
1140	$cf::PLAYER{$login}	978	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	979	or cf::sync_job { !aio_stat path $login }
1142	}	980	}
1143		981
1144	sub find($) {	982	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	983	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	984	my $login = $_[0];
…		…
1192		1030
1193	=cut	1031	=cut
1194		1032
1195	sub quit_character {	1033	sub quit_character {
1196	my ($pl) = @_;	1034	my ($pl) = @_;
		1035
		1036	my $name = $pl->ob->name;
1197		1037
1198	$pl->{deny_save} = 1;	1038	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1039	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1040
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1046	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1047	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1048	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1049	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1050	$pl->destroy;
		1051
		1052	my $prefix = qr<^~\Q$name\E/>;
		1053
		1054	# nuke player maps
		1055	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1056
1211	IO::AIO::aio_rmtree $temp;	1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item $pl->kick
		1061
		1062	Kicks a player out of the game. This destroys the connection.
		1063
		1064	=cut
		1065
		1066	sub kick {
		1067	my ($pl, $kicker) = @_;
		1068
		1069	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1070	$pl->killer ("kicked");
		1071	$pl->ns->destroy;
1212	}	1072	}
1213		1073
1214	=item cf::player::list_logins	1074	=item cf::player::list_logins
1215		1075
1216	Returns am arrayref of all valid playernames in the system, can take a	1076	Returns am arrayref of all valid playernames in the system, can take a
…		…
1225	my @logins;	1085	my @logins;
1226		1086
1227	for my $login (@$dirs) {	1087	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1089	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1090	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1091
1232	utf8::decode $login;	1092	utf8::decode $login;
1233	push @logins, $login;	1093	push @logins, $login;
1234	}	1094	}
1235		1095
1236	\@logins	1096	\@logins
1237	}	1097	}
1238		1098
1239	=item $player->maps	1099	=item $player->maps
1240		1100
1241	Returns an arrayref of cf::path's of all maps that are private for this	1101	Returns an arrayref of map paths that are private for this
1242	player. May block.	1102	player. May block.
1243		1103
1244	=cut	1104	=cut
1245		1105
1246	sub maps($) {	1106	sub maps($) {
1247	my ($pl) = @_;	1107	my ($pl) = @_;
		1108
		1109	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1110
1249	my $files = aio_readdir playerdir $pl	1111	my $files = aio_readdir playerdir $pl
1250	or return;	1112	or return;
1251		1113
1252	my @paths;	1114	my @paths;
1253		1115
1254	for (@$files) {	1116	for (@$files) {
1255	utf8::decode $_;	1117	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1118	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1119	next unless /^$PATH_SEP/o;
1258		1120
1259	s/$PATH_SEP/\//g;	1121	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1122	}
1262		1123
1263	\@paths	1124	\@paths
1264	}	1125	}
1265		1126
…		…
1291	package cf::map;	1152	package cf::map;
1292		1153
1293	use Fcntl;	1154	use Fcntl;
1294	use Coro::AIO;	1155	use Coro::AIO;
1295		1156
		1157	use overload
		1158	'""' => \&as_string,
		1159	fallback => 1;
		1160
1296	our $MAX_RESET = 3600;	1161	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1162	our $DEFAULT_RESET = 3000;
1298		1163
1299	sub generate_random_map {	1164	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1165	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1166	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1167	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1171	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1172	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1178	(cf::region::find $rmp->{region}), $rmp->{custom}
		1179	)
		1180	}
		1181
		1182	=item cf::map->register ($regex, $prio)
		1183
		1184	Register a handler for the map path matching the given regex at the
		1185	givne priority (higher is better, built-in handlers have priority 0, the
		1186	default).
		1187
		1188	=cut
		1189
		1190	sub register {
		1191	my (undef, $regex, $prio) = @_;
		1192	my $pkg = caller;
		1193
		1194	no strict;
		1195	push @{"$pkg\::ISA"}, __PACKAGE__;
		1196
		1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1198	}
		1199
		1200	# also paths starting with '/'
		1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1202
		1203	sub thawer_merge {
		1204	my ($self, $merge) = @_;
		1205
		1206	# we have to keep some variables in memory intact
		1207	local $self->{path};
		1208	local $self->{load_path};
		1209	local $self->{deny_save};
		1210	local $self->{deny_reset};
		1211
		1212	$self->SUPER::thawer_merge ($merge);
		1213	}
		1214
		1215	sub normalise {
		1216	my ($path, $base) = @_;
		1217
		1218	$path = "$path"; # make sure its a string
		1219
		1220	$path =~ s/\.map$//;
		1221
		1222	# map plan:
		1223	#
		1224	# /! non-realised random map exit (special hack!)
		1225	# {... are special paths that are not being touched
		1226	# ?xxx/... are special absolute paths
		1227	# ?random/... random maps
		1228	# /... normal maps
		1229	# ~user/... per-player map of a specific user
		1230
		1231	$path =~ s/$PATH_SEP/\//go;
		1232
		1233	# treat it as relative path if it starts with
		1234	# something that looks reasonable
		1235	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1236	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1237
		1238	$base =~ s{[^/]+/?$}{};
		1239	$path = "$base/$path";
		1240	}
		1241
		1242	for ($path) {
		1243	redo if s{//}{/};
		1244	redo if s{/\.?/}{/};
		1245	redo if s{/[^/]+/\.\./}{/};
		1246	}
		1247
		1248	$path
		1249	}
		1250
		1251	sub new_from_path {
		1252	my (undef, $path, $base) = @_;
		1253
		1254	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1255
		1256	$path = normalise $path, $base;
		1257
		1258	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1259	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1260	my $self = bless cf::map::new, $pkg;
		1261	$self->{path} = $path; $self->path ($path);
		1262	$self->init; # pass $1 etc.
		1263	return $self;
		1264	}
		1265	}
		1266
		1267	Carp::carp "unable to resolve path '$path' (base '$base').";
		1268	()
		1269	}
		1270
		1271	sub init {
		1272	my ($self) = @_;
		1273
		1274	$self
		1275	}
		1276
		1277	sub as_string {
		1278	my ($self) = @_;
		1279
		1280	"$self->{path}"
		1281	}
		1282
		1283	# the displayed name, this is a one way mapping
		1284	sub visible_name {
		1285	&as_string
		1286	}
		1287
		1288	# the original (read-only) location
		1289	sub load_path {
		1290	my ($self) = @_;
		1291
		1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1293	}
		1294
		1295	# the temporary/swap location
		1296	sub save_path {
		1297	my ($self) = @_;
		1298
		1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1301	}
		1302
		1303	# the unique path, undef == no special unique path
		1304	sub uniq_path {
		1305	my ($self) = @_;
		1306
		1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1309	}
1317		1310
1318	# and all this just because we cannot iterate over	1311	# and all this just because we cannot iterate over
1319	# all maps in C++...	1312	# all maps in C++...
1320	sub change_all_map_light {	1313	sub change_all_map_light {
…		…
1322		1315
1323	$_->change_map_light ($change)	1316	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1317	for grep $_->outdoor, values %cf::MAP;
1325	}	1318	}
1326		1319
		1320	sub unlink_save {
		1321	my ($self) = @_;
		1322
		1323	utf8::encode (my $save = $self->save_path);
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1325	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1326	}
		1327
1327	sub try_load_header($) {	1328	sub load_header_from($) {
1328	my ($path) = @_;	1329	my ($self, $path) = @_;
1329		1330
1330	utf8::encode $path;	1331	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1332	or return;	1336	or return;
1333		1337
1334	my $map = cf::map::new	1338	$self->{load_path} = $path;
		1339
		1340	1
		1341	}
		1342
		1343	sub load_header_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->load_header_from ($self->load_path)
		1347	}
		1348
		1349	sub load_header_temp {
		1350	my ($self) = @_;
		1351
		1352	$self->load_header_from ($self->save_path)
		1353	}
		1354
		1355	sub prepare_temp {
		1356	my ($self) = @_;
		1357
		1358	$self->last_access ((delete $self->{last_access})
		1359	|| $cf::RUNTIME); #d#
		1360	# safety
		1361	$self->{instantiate_time} = $cf::RUNTIME
		1362	if $self->{instantiate_time} > $cf::RUNTIME;
		1363	}
		1364
		1365	sub prepare_orig {
		1366	my ($self) = @_;
		1367
		1368	$self->{load_original} = 1;
		1369	$self->{instantiate_time} = $cf::RUNTIME;
		1370	$self->last_access ($cf::RUNTIME);
		1371	$self->instantiate;
		1372	}
		1373
		1374	sub load_header {
		1375	my ($self) = @_;
		1376
		1377	if ($self->load_header_temp) {
		1378	$self->prepare_temp;
		1379	} else {
		1380	$self->load_header_orig
1335	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1336		1384
1337	# for better error messages only, will be overwritten	1385	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1386	}
1347		1387
1348	sub find;	1388	sub find;
1349	sub find {	1389	sub find {
1350	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1351		1391
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1392	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1393
1357	cf::lock_wait "map_find:$key";	1394	cf::lock_wait "map_find:$path";
1358		1395
1359	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1397	my $guard = cf::lock_acquire "map_find:$path";
1361		1398	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1399	or return;
1381		1400
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1401	$map->{last_save} = $cf::RUNTIME;
1394		1402
1395	Coro::cede;	1403	$map->load_header
		1404	or return;
1396		1405
1397	if ($map->should_reset) {	1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1407	# doing this can freeze the server in a sync job, obviously
		1408	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1409	$map->reset;
1399	undef $guard;	1410	undef $guard;
1400	$map = find $path	1411	return find $path;
1401	or return;
1402	}	1412	}
1403		1413
1404	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1405	}	1415	}
1406	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1407		1420
1408	sub load {	1421	sub load {
1409	my ($self) = @_;	1422	my ($self) = @_;
1410		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
1411	my $path = $self->{path};	1426	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1427	my $guard = cf::lock_acquire "map_load:$path";
1413		1428
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1430
1416	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1417		1432
1418	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1419	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1438	or return;
1421		1439
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1441	if delete $self->{load_original};
1424		1442
1425	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1444	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1446	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1430	}	1448	}
1431	}	1449	}
1432		1450
1433	Coro::cede;	1451	Coro::cede;
1434		1452
1435	# now do the right thing for maps	1453	# now do the right thing for maps
1436	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1437		1455
1438	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1457	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1445	$self->set_darkness_map;	1461	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1448	$self->activate;	1465	$self->activate;
1449	}	1466	}
1450		1467
1451	Coro::cede;	1468	$self->post_load;
1452		1469
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1470	$self->in_memory (cf::MAP_IN_MEMORY);
		1471	}
		1472
		1473	sub customise_for {
		1474	my ($self, $ob) = @_;
		1475
		1476	return find "~" . $ob->name . "/" . $self->{path}
		1477	if $self->per_player;
		1478
		1479	$self
		1480	}
		1481
		1482	# find and load all maps in the 3x3 area around a map
		1483	sub load_diag {
		1484	my ($map) = @_;
		1485
		1486	my @diag; # diagonal neighbours
		1487
		1488	for (0 .. 3) {
		1489	my $neigh = $map->tile_path ($_)
		1490	or next;
		1491	$neigh = find $neigh, $map
		1492	or next;
		1493	$neigh->load;
		1494
		1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1497	}
		1498
		1499	for (@diag) {
		1500	my $neigh = find @$_
		1501	or next;
		1502	$neigh->load;
		1503	}
1454	}	1504	}
1455		1505
1456	sub find_sync {	1506	sub find_sync {
1457	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1458		1508
1459	cf::sync_job { cf::map::find $path, $origin }	1509	cf::sync_job { find $path, $origin }
1460	}	1510	}
1461		1511
1462	sub do_load_sync {	1512	sub do_load_sync {
1463	my ($map) = @_;	1513	my ($map) = @_;
1464		1514
1465	cf::sync_job { $map->load };	1515	cf::sync_job { $map->load };
1466	}	1516	}
1467		1517
		1518	our %MAP_PREFETCH;
		1519	our $MAP_PREFETCHER = undef;
		1520
		1521	sub find_async {
		1522	my ($path, $origin) = @_;
		1523
		1524	$path = normalise $path, $origin && $origin->{path};
		1525
		1526	if (my $map = $cf::MAP{$path}) {
		1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1528	}
		1529
		1530	undef $MAP_PREFETCH{$path};
		1531	$MAP_PREFETCHER ||= cf::async {
		1532	while (%MAP_PREFETCH) {
		1533	for my $path (keys %MAP_PREFETCH) {
		1534	my $map = find $path
		1535	or next;
		1536	$map->load;
		1537
		1538	delete $MAP_PREFETCH{$path};
		1539	}
		1540	}
		1541	undef $MAP_PREFETCHER;
		1542	};
		1543	$MAP_PREFETCHER->prio (6);
		1544
		1545	()
		1546	}
		1547
1468	sub save {	1548	sub save {
1469	my ($self) = @_;	1549	my ($self) = @_;
1470		1550
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1552
1473	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1474		1554
1475	return unless $self->dirty;	1555	return unless $self->dirty;
1476		1556
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1557	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1559
1480	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1481		1561
1482	return if $self->{deny_save};	1562	return if $self->{deny_save};
1483		1563
…		…
1486	cf::async {	1566	cf::async {
1487	$_->contr->save for $self->players;	1567	$_->contr->save for $self->players;
1488	};	1568	};
1489		1569
1490	if ($uniq) {	1570	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1573	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1575	}
1496	}	1576	}
1497		1577
1498	sub swap_out {	1578	sub swap_out {
1499	my ($self) = @_;	1579	my ($self) = @_;
…		…
1513		1593
1514	sub reset_at {	1594	sub reset_at {
1515	my ($self) = @_;	1595	my ($self) = @_;
1516		1596
1517	# TODO: safety, remove and allow resettable per-player maps	1597	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1599	return 1e99 if $self->{deny_reset};
1520		1600
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1603
…		…
1528	my ($self) = @_;	1608	my ($self) = @_;
1529		1609
1530	$self->reset_at <= $cf::RUNTIME	1610	$self->reset_at <= $cf::RUNTIME
1531	}	1611	}
1532		1612
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1613	sub reset {
1555	my ($self) = @_;	1614	my ($self) = @_;
1556		1615
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1617
1559	return if $self->players;	1618	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1561		1620
1562	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1563		1622
		1623	$self->in_memory (cf::MAP_SWAPPED);
		1624
		1625	# need to save uniques path
		1626	unless ($self->{deny_save}) {
		1627	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1628
		1629	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1630	if $uniq;
		1631	}
		1632
1564	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1565		1636
1566	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1567		1638
1568	$self->unlink_save;	1639	$self->unlink_save;
1569	$self->destroy;	1640	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1643	my $nuke_counter = "aaaa";
1573		1644
1574	sub nuke {	1645	sub nuke {
1575	my ($self) = @_;	1646	my ($self) = @_;
1576		1647
		1648	delete $cf::MAP{$self->path};
		1649
		1650	$self->unlink_save;
		1651
		1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1654	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1655	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1657
		1658	$cf::MAP{$self->path} = $self;
		1659
1580	$self->reset; # polite request, might not happen	1660	$self->reset; # polite request, might not happen
1581	}	1661	}
1582		1662
1583	sub customise_for {	1663	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1664
1586	if ($map->per_player) {	1665	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1666	instantiated unique items. May block.
1588	}
1589		1667
1590	$map	1668	=cut
1591	}
1592		1669
1593	sub emergency_save {	1670	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
1595		1673
1596	warn "enter emergency perl save\n";	1674	my @paths;
1597		1675
1598	cf::sync_job {	1676	for (@$files) {
1599	warn "begin emergency player save\n";	1677	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1678	next if /\.pst$/;
1601	warn "end emergency player save\n";	1679	next unless /^$PATH_SEP/o;
1602		1680
1603	warn "begin emergency map save\n";	1681	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1682	}
1607		1683
1608	warn "leave emergency perl save\n";	1684	\@paths
1609	}	1685	}
1610		1686
1611	package cf;	1687	package cf;
1612		1688
1613	=back	1689	=back
1614		1690
		1691	=head3 cf::object
		1692
		1693	=cut
		1694
		1695	package cf::object;
		1696
		1697	=over 4
		1698
		1699	=item $ob->inv_recursive
		1700
		1701	Returns the inventory of the object _and_ their inventories, recursively.
		1702
		1703	=cut
		1704
		1705	sub inv_recursive_;
		1706	sub inv_recursive_ {
		1707	map { $_, inv_recursive_ $_->inv } @_
		1708	}
		1709
		1710	sub inv_recursive {
		1711	inv_recursive_ inv $_[0]
		1712	}
		1713
		1714	package cf;
		1715
		1716	=back
1615		1717
1616	=head3 cf::object::player	1718	=head3 cf::object::player
1617		1719
1618	=over 4	1720	=over 4
1619		1721
…		…
1659		1761
1660	=item $player_object->enter_link	1762	=item $player_object->enter_link
1661		1763
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1764	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1765
1664	The player should be reaosnably safe there for short amounts of time. You	1766	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	1767	I<MUST> call C<leave_link> as soon as possible, though.
1666		1768
		1769	Will never block.
		1770
1667	=item $player_object->leave_link ($map, $x, $y)	1771	=item $player_object->leave_link ($map, $x, $y)
1668		1772
1669	Moves the player out of the specila link map onto the given map. If the	1773	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1774	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1775	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1776	fails, to the emergency map position.
1673		1777
1674	Might block.	1778	Might block.
1675		1779
1676	=cut	1780	=cut
		1781
		1782	sub link_map {
		1783	unless ($LINK_MAP) {
		1784	$LINK_MAP = cf::map::find "{link}"
		1785	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1786	$LINK_MAP->load;
		1787	}
		1788
		1789	$LINK_MAP
		1790	}
1677		1791
1678	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1793	my ($self) = @_;
1680		1794
1681	$self->deactivate_recursive;	1795	$self->deactivate_recursive;
1682		1796
1683	return if $self->map == $LINK_MAP;	1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1798
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1800	if $self->map;
1687		1801
1688	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1803	}
1690		1804
1691	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1693		1807
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1714		1828
1715	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1716		1831
1717	return unless $self->contr->active;	1832	return unless $self->contr->active;
1718	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1720	}	1837	}
1721		1838
1722	cf::player->attach (	1839	cf::player->attach (
1723	on_logout => sub {	1840	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1853	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1854	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1855	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1856	$pl->ob->enter_link;
1740	(async {	1857	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,	1858	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1859	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1860	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1861	cf::NDI_RED);
		1862	# we need this sleep as the login has a concurrent enter_exit running
		1863	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1864	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1865	$pl->ob->leave_link;
1749	})->prio (2);	1866	})->prio (2);
1750	}	1867	}
1751	},	1868	},
…		…
1756	=cut	1873	=cut
1757		1874
1758	sub cf::object::player::goto {	1875	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1760		1877
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1878	$self->enter_link;
1765		1879
1766	(async {	1880	(async {
		1881	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1882	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1769		1884	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1885	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1887
1775	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1889	})->prio (1);
1777	}	1890	}
1778		1891
…		…
1782		1895
1783	sub parse_random_map_params {	1896	sub parse_random_map_params {
1784	my ($spec) = @_;	1897	my ($spec) = @_;
1785		1898
1786	my $rmp = { # defaults	1899	my $rmp = { # defaults
1787	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1789	};	1904	};
1790		1905
1791	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1793		1908
…		…
1797	$rmp	1912	$rmp
1798	}	1913	}
1799		1914
1800	sub prepare_random_map {	1915	sub prepare_random_map {
1801	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1919
1803	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1922	# that depends on the exit object
1806		1923
1807	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1808		1925
1809	if ($exit->map) {	1926	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1814	}	1931	}
1815		1932
1816	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1817		1934
1818	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1938
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1940	aio_write $fh, 0, (length $data), $data, 0;
		1941	undef $fh;
		1942	aio_rename "$meta~", $meta;
1823		1943
1824	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1945	$exit->msg (undef);
1826	}	1946	}
1827	}	1947	}
1828		1948
1829	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1831		1951
1832	return unless $self->type == cf::PLAYER;	1952	return unless $self->type == cf::PLAYER;
		1953
		1954	if ($exit->slaying eq "/!") {
		1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1956	cf::sync_job { prepare_random_map $exit };
		1957	}
		1958
		1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1960	my $hp = $exit->stats->hp;
		1961	my $sp = $exit->stats->sp;
1833		1962
1834	$self->enter_link;	1963	$self->enter_link;
1835		1964
1836	(async {	1965	(async {
1837	$self->deactivate_recursive; # just to be sure	1966	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1967	unless (eval {
1839	prepare_random_map $exit	1968	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		1969
1845	1;	1970	1;
1846	}) {	1971	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1973	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1976
1852	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1978	$self->leave_link;
1854	}	1979	}
…		…
1909	# get handled first	2034	# get handled first
1910	my $queue = delete $ns->{query_queue}	2035	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2036	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2037
1913	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2040
1915	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1916		2042
1917	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2044	if (@$queue) {
…		…
2079	The parameter C<$family> should best start with the name of the extension	2205	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2206	using it, it should be unique.
2081		2207
2082	=over 4	2208	=over 4
2083		2209
2084	=item $hashref = cf::db_get $family
2085
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key	2210	=item $value = cf::db_get $family => $key
2091		2211
2092	Returns a single value from the database	2212	Returns a single value from the database.
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098		2213
2099	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
2100		2215
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	Stores the given C<$value> in the family.
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111		2217
2112	=cut	2218	=cut
2113		2219
2114	our $DB;	2220	our $DB;
2115		2221
2116	{	2222	sub db_init {
		2223	unless ($DB) {
		2224	$DB = BDB::db_create $DB_ENV;
		2225
		2226	cf::sync_job {
		2227	eval {
		2228	$DB->set_flags (BDB::CHKSUM);
		2229
		2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2232	cf::cleanup "db_open(db): $!" if $!;
		2233	};
		2234	cf::cleanup "db_open(db): $@" if $@;
		2235	};
		2236
2117	my $path = cf::localdir . "/database.pst";	2237	my $path = cf::localdir . "/database.pst";
		2238	if (stat $path) {
		2239	cf::sync_job {
		2240	my $pst = Storable::retrieve $path;
2118		2241
2119	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2243	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
		2245	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2246
2123	my $pid;	2247	unlink $path;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}	2248	};
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2249	}
2171	);	2250	}
		2251	}
		2252
		2253	sub db_get($$) {
		2254	my $key = "$_[0]/$_[1]";
		2255
		2256	cf::sync_job {
		2257	BDB::db_get $DB, undef, $key, my $data;
		2258
		2259	$! ? ()
		2260	: Compress::LZF::sthaw $data
		2261	}
		2262	}
		2263
		2264	sub db_put($$$) {
		2265	BDB::dbreq_pri 4;
		2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2172	}	2267	}
2173		2268
2174	#############################################################################	2269	#############################################################################
2175	# the server's main()	2270	# the server's init and main functions
		2271
		2272	sub load_faces {
		2273	my $path = sprintf "%s/faces", cf::datadir;
		2274
		2275	warn "loading faces from $path\n";
		2276
		2277	my $faces;
		2278	0 < aio_load $path, $faces
		2279	or die "$path: $!";
		2280
		2281	Coro::cede;
		2282	$faces = Storable::thaw $faces;
		2283	Coro::cede;
		2284
		2285	while (my ($face, $info) = each %$faces) {
		2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2289	Coro::cede;
		2290	}
		2291
		2292	1
		2293	}
		2294
		2295	sub reload_resources {
		2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2297	or die "unable to load regions file\n";#d#
		2298	load_faces
		2299	or die "unable to load faces\n";#d#
		2300	}
		2301
		2302	sub init {
		2303	reload_resources;
		2304	}
2176		2305
2177	sub cfg_load {	2306	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2308	or return;
2180		2309
…		…
2197		2326
2198	sub main {	2327	sub main {
2199	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2331	(async {
2202	async { Event::one_event };	2332	Event::one_event;
		2333	})->prio (Coro::PRIO_MAX);
2203	};	2334	};
2204		2335
2205	cfg_load;	2336	cfg_load;
2206	db_load;	2337	db_init;
2207	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
2208	Event::loop;	2341	Event::loop;
2209	}	2342	}
2210		2343
2211	#############################################################################	2344	#############################################################################
2212	# initialisation	2345	# initialisation and cleanup
		2346
		2347	# install some emergency cleanup handlers
		2348	BEGIN {
		2349	for my $signal (qw(INT HUP TERM)) {
		2350	Event->signal (
		2351	reentrant => 0,
		2352	data => WF_AUTOCANCEL,
		2353	signal => $signal,
		2354	prio => 0,
		2355	cb => sub {
		2356	cf::cleanup "SIG$signal";
		2357	},
		2358	);
		2359	}
		2360	}
		2361
		2362	sub emergency_save() {
		2363	my $freeze_guard = cf::freeze_mainloop;
		2364
		2365	warn "enter emergency perl save\n";
		2366
		2367	cf::sync_job {
		2368	# use a peculiar iteration method to avoid tripping on perl
		2369	# refcount bugs in for. also avoids problems with players
		2370	# and maps saved/destroyed asynchronously.
		2371	warn "begin emergency player save\n";
		2372	for my $login (keys %cf::PLAYER) {
		2373	my $pl = $cf::PLAYER{$login} or next;
		2374	$pl->valid or next;
		2375	$pl->save;
		2376	}
		2377	warn "end emergency player save\n";
		2378
		2379	warn "begin emergency map save\n";
		2380	for my $path (keys %cf::MAP) {
		2381	my $map = $cf::MAP{$path} or next;
		2382	$map->valid or next;
		2383	$map->save;
		2384	}
		2385	warn "end emergency map save\n";
		2386
		2387	warn "begin emergency database checkpoint\n";
		2388	BDB::db_env_txn_checkpoint $DB_ENV;
		2389	warn "end emergency database checkpoint\n";
		2390	};
		2391
		2392	warn "leave emergency perl save\n";
		2393	}
		2394
		2395	sub post_cleanup {
		2396	my ($make_core) = @_;
		2397
		2398	warn Carp::longmess "post_cleanup backtrace"
		2399	if $make_core;
		2400	}
2213		2401
2214	sub reload() {	2402	sub reload() {
2215	# can/must only be called in main	2403	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
2218	return;	2406	return;
2219	}	2407	}
2220		2408
2221	warn "reloading...";	2409	warn "reloading...";
2222		2410
2223	my $guard = freeze_mainloop;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
2225		2417
2226	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
2227	# if anything goes wrong in here, we should simply crash as we already saved	2421	# if anything goes wrong in here, we should simply crash as we already saved
2228		2422
2229	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2426	}
2233		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
2234	# cancel all extension coros	2439	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2441	%EXT_CORO = ();
2237		2442
2238	# unload all extensions	2443	warn "removing commands";
2239	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2451	warn "... unloading $pkg";
2241	unload_extension $_;	2452
		2453	if (my $cb = $pkg->can ("unload")) {
		2454	eval {
		2455	$cb->($pkg);
		2456	1
		2457	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2458	}
2243		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
2244	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2467
2248	warn "removing <$k>";	2468	warn "... unloading $k";
2249	delete $INC{$k};	2469	delete $INC{$k};
2250		2470
2251	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
2253		2473
…		…
2256	}	2476	}
2257		2477
2258	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
2259	}	2479	}
2260		2480
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2484
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
2274		2487
2275	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2489	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
2278		2491
2279	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
2280	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
2281	require cf;	2495	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2497
2284	# load config and database again	2498	warn "loading config and database again";
2285	cf::cfg_load;	2499	cf::cfg_load;
2286	cf::db_load;
2287		2500
2288	# load extensions
2289	warn "load extensions";	2501	warn "loading extensions";
2290	cf::load_extensions;	2502	cf::load_extensions;
2291		2503
2292	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2505	_global_reattach; # objects, sockets
2294	_global_reattach;	2506	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2507	reattach $_ for values %MAP;
2296	};	2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
2297		2510
2298	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
2299	warn $@;	2518	warn $@;
2300	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
2301	exit 1;	2520	exit 1;
2302	}	2521	};
2303		2522
2304	warn "reloaded successfully";	2523	warn "reloaded";
2305	};	2524	};
2306		2525
2307	#############################################################################	2526	our $RELOAD_WATCHER; # used only during reload
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2527
2352	register_command "reload" => sub {	2528	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
2354		2530
2355	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2532	$who->message ("reloading server.");
		2533
		2534	# doing reload synchronously and two reloads happen back-to-back,
		2535	# coro crashes during coro_state_free->destroy here.
		2536
		2537	$RELOAD_WATCHER ||= Event->timer (
		2538	reentrant => 0,
		2539	after => 0,
		2540	data => WF_AUTOCANCEL,
		2541	cb => sub {
2357	reload;	2542	reload;
2358	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
2359	}	2546	}
2360	};	2547	};
2361		2548
2362	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
2363		2552
2364	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
2366	prio => 0,	2556	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
2369	cb => sub {	2559	cb => sub {
		2560	if ($Coro::current != $Coro::main) {
		2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2562	unless ++$bug_warning > 10;
		2563	return;
		2564	}
		2565
		2566	$NOW = Event::time;
		2567
2370	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2570	$NEXT_TICK += $TICK;
		2571
		2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2573	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2574	Coro::async_pool {
		2575	write_runtime
		2576	or warn "ERROR: unable to write runtime file: $!";
		2577	};
		2578	}
		2579
		2580	$WAIT_FOR_TICK->broadcast;
		2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2582
		2583	# my $AFTER = Event::time;
		2584	# warn $AFTER - $NOW;#d#
2373		2585
2374	# if we are delayed by four ticks or more, skip them all	2586	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2588
2377	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2379	},	2591	},
2380	);	2592	);
2381		2593
		2594	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2383		2596	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2597	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2386	poll => 'r',	2599	poll => 'r',
2387	prio => 5,	2600	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2394	after => 0,	2602	cb => \&BDB::poll_cb,
2395	interval => 10,	2603	);
2396	cb => sub {	2604	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2605
2398	write_runtime	2606	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2607	my $status;
		2608	my $current = $Coro::current;
		2609	(
		2610	sub {
		2611	$status = $!;
		2612	$current->ready; undef $current;
		2613	},
		2614	sub {
		2615	Coro::schedule while defined $current;
		2616	$! = $status;
		2617	},
		2618	)
		2619	};
		2620
		2621	unless ($DB_ENV) {
		2622	$DB_ENV = BDB::db_env_create;
		2623
		2624	cf::sync_job {
		2625	eval {
		2626	BDB::db_env_open
		2627	$DB_ENV,
		2628	$BDB_ENV_DIR,
		2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2631	0666;
		2632
		2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2634
		2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2636	$DB_ENV->set_lk_detect;
		2637	};
		2638
		2639	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2640	};
2401	},	2641	}
2402	);	2642	}
		2643
		2644	{
		2645	IO::AIO::min_parallel 8;
		2646
		2647	undef $Coro::AIO::WATCHER;
		2648	IO::AIO::max_poll_time $TICK * 0.1;
		2649	$AIO_POLL_WATCHER = Event->io (
		2650	reentrant => 0,
		2651	data => WF_AUTOCANCEL,
		2652	fd => IO::AIO::poll_fileno,
		2653	poll => 'r',
		2654	prio => 6,
		2655	cb => \&IO::AIO::poll_cb,
		2656	);
		2657	}
2403		2658
2404	END { cf::emergency_save }	2659	END { cf::emergency_save }
2405		2660
2406	1	2661	1
2407		2662

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