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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 1.221 by pippijn, Fri Mar 2 13:32:52 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
40	our @EVENT;	48	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
42		50
43	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	55	our $NEXT_TICK;
46	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
47		61
48	our %CFG;	62	our %CFG;
49		63
50	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	65	our $RUNTIME;
52		66
53	our %PLAYER; # all users	67	our %PLAYER; # all users
54	our %MAP; # all maps	68	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		78
59	binmode STDOUT;	79	binmode STDOUT;
60	binmode STDERR;	80	binmode STDERR;
61		81
62	# read virtual server time, if available	82	# read virtual server time, if available
…		…
69	mkdir cf::localdir;	89	mkdir cf::localdir;
70	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
74		95
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
146	}	174	}
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		179
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
…		…
247	}	271	}
248		272
249	sub freeze_mainloop {	273	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
251		275
252	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
253	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
254	$guard	280	$guard
255	}	281	}
256		282
257	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
309	}	335	}
310	}	336	}
311		337
312	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
313		339
314	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	341	extension calling this is being unloaded.
316		342
317	=cut	343	=cut
318		344
319	sub async_ext(&) {	345	sub async_ext(&) {
…		…
328		354
329	$coro	355	$coro
330	}	356	}
331		357
332	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
333	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
334		362
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	364	or return;
337		365
		366	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	371	and return;
341		372
		373	# always fsync - this file is important
342	aio_fsync $fh	374	aio_fsync $fh
343	and return;	375	and return;
344		376
345	close $fh	377	close $fh
346	or return;	378	or return;
…		…
352	}	384	}
353		385
354	=back	386	=back
355		387
356	=cut	388	=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		389
480	#############################################################################	390	#############################################################################
481		391
482	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
483		393
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	520	our @CB_MAP = ();
611		521
612	my %attachment;	522	my %attachment;
613		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
614	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
616		532
617	use sort 'stable';	533	use sort 'stable';
618		534
…		…
789	# object support	705	# object support
790		706
791	sub reattach {	707	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		712
795	my $registry = $obj->registry;	713	my $registry = $obj->registry;
796		714
797	@$registry = ();	715	@$registry = ();
798		716
…		…
845	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
846		764
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	769	close $fh;
852		770
853	if (@$objs) {	771	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	777	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
861	}	779	}
862	} else {	780	} else {
863	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
930	=cut	848	=cut
931		849
932	sub register_extcmd {	850	sub register_extcmd {
933	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
934		852
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
939	}	854	}
940		855
941	cf::player->attach (	856	cf::player->attach (
942	on_command => sub {	857	on_command => sub {
943	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
956		871
957	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
958		873
959	if (ref $msg) {	874	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	878	}
964	}	879	}
965	} else {	880	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		883
969	cf::override;	884	cf::override;
970	},	885	},
971	);	886	);
972		887
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	888	sub load_extension {
980	my ($path) = @_;	889	my ($path) = @_;
981		890
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	892	my $base = $1;
984	my $pkg = $1;	893	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
987		896
988	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
989		898
990	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
991	or die "$path: $!";	900	or die "$path: $!";
992		901
993	my $source =	902	my $source =
994	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
997	. "\n};\n1";	906	. "\n};\n1";
998		907
999	eval $source	908	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	910	: "extension disabled.\n";
1002		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	912	warn $@;
1004	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1005		914	exit 1;
1006	# no strict 'refs';	915	}
1007	# @{"$pkg\::ISA"} = ext::;	916	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	# }	917	}
1022		918
1023	# remove commands	919	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	}	920	}
1048		921
1049	sub load_extensions {	922	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	924	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1056	}	929	}
1057	}	930	}
1058		931
1059	#############################################################################	932	#############################################################################
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		933
1097	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1098		935
1099	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1100		937
…		…
1136		973
1137	sub exists($) {	974	sub exists($) {
1138	my ($login) = @_;	975	my ($login) = @_;
1139		976
1140	$cf::PLAYER{$login}	977	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	978	or cf::sync_job { !aio_stat path $login }
1142	}	979	}
1143		980
1144	sub find($) {	981	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	982	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	983	my $login = $_[0];
…		…
1192		1029
1193	=cut	1030	=cut
1194		1031
1195	sub quit_character {	1032	sub quit_character {
1196	my ($pl) = @_;	1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
1197		1036
1198	$pl->{deny_save} = 1;	1037	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1039
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1045	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1046	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1047	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1048	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
1211	IO::AIO::aio_rmtree $temp;	1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item $pl->kick
		1060
		1061	Kicks a player out of the game. This destroys the connection.
		1062
		1063	=cut
		1064
		1065	sub kick {
		1066	my ($pl, $kicker) = @_;
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1069	$pl->killer ("kicked");
		1070	$pl->ns->destroy;
1212	}	1071	}
1213		1072
1214	=item cf::player::list_logins	1073	=item cf::player::list_logins
1215		1074
1216	Returns am arrayref of all valid playernames in the system, can take a	1075	Returns am arrayref of all valid playernames in the system, can take a
…		…
1225	my @logins;	1084	my @logins;
1226		1085
1227	for my $login (@$dirs) {	1086	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1088	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1089	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1090
1232	utf8::decode $login;	1091	utf8::decode $login;
1233	push @logins, $login;	1092	push @logins, $login;
1234	}	1093	}
1235		1094
1236	\@logins	1095	\@logins
1237	}	1096	}
1238		1097
1239	=item $player->maps	1098	=item $player->maps
1240		1099
1241	Returns an arrayref of cf::path's of all maps that are private for this	1100	Returns an arrayref of map paths that are private for this
1242	player. May block.	1101	player. May block.
1243		1102
1244	=cut	1103	=cut
1245		1104
1246	sub maps($) {	1105	sub maps($) {
1247	my ($pl) = @_;	1106	my ($pl) = @_;
		1107
		1108	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1109
1249	my $files = aio_readdir playerdir $pl	1110	my $files = aio_readdir playerdir $pl
1250	or return;	1111	or return;
1251		1112
1252	my @paths;	1113	my @paths;
1253		1114
1254	for (@$files) {	1115	for (@$files) {
1255	utf8::decode $_;	1116	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1117	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1118	next unless /^$PATH_SEP/o;
1258		1119
1259	s/$PATH_SEP/\//g;	1120	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1121	}
1262		1122
1263	\@paths	1123	\@paths
1264	}	1124	}
1265		1125
…		…
1291	package cf::map;	1151	package cf::map;
1292		1152
1293	use Fcntl;	1153	use Fcntl;
1294	use Coro::AIO;	1154	use Coro::AIO;
1295		1155
		1156	use overload
		1157	'""' => \&as_string,
		1158	fallback => 1;
		1159
1296	our $MAX_RESET = 3600;	1160	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1161	our $DEFAULT_RESET = 3000;
1298		1162
1299	sub generate_random_map {	1163	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1164	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1165	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1166	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1170	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1171	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1177	(cf::region::find $rmp->{region}), $rmp->{custom}
		1178	)
		1179	}
		1180
		1181	=item cf::map->register ($regex, $prio)
		1182
		1183	Register a handler for the map path matching the given regex at the
		1184	givne priority (higher is better, built-in handlers have priority 0, the
		1185	default).
		1186
		1187	=cut
		1188
		1189	sub register {
		1190	my (undef, $regex, $prio) = @_;
		1191	my $pkg = caller;
		1192
		1193	no strict;
		1194	push @{"$pkg\::ISA"}, __PACKAGE__;
		1195
		1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1197	}
		1198
		1199	# also paths starting with '/'
		1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1201
		1202	sub thawer_merge {
		1203	my ($self, $merge) = @_;
		1204
		1205	# we have to keep some variables in memory intact
		1206	local $self->{path};
		1207	local $self->{load_path};
		1208	local $self->{deny_save};
		1209	local $self->{deny_reset};
		1210
		1211	$self->SUPER::thawer_merge ($merge);
		1212	}
		1213
		1214	sub normalise {
		1215	my ($path, $base) = @_;
		1216
		1217	$path = "$path"; # make sure its a string
		1218
		1219	$path =~ s/\.map$//;
		1220
		1221	# map plan:
		1222	#
		1223	# /! non-realised random map exit (special hack!)
		1224	# {... are special paths that are not being touched
		1225	# ?xxx/... are special absolute paths
		1226	# ?random/... random maps
		1227	# /... normal maps
		1228	# ~user/... per-player map of a specific user
		1229
		1230	$path =~ s/$PATH_SEP/\//go;
		1231
		1232	# treat it as relative path if it starts with
		1233	# something that looks reasonable
		1234	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1235	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1236
		1237	$base =~ s{[^/]+/?$}{};
		1238	$path = "$base/$path";
		1239	}
		1240
		1241	for ($path) {
		1242	redo if s{//}{/};
		1243	redo if s{/\.?/}{/};
		1244	redo if s{/[^/]+/\.\./}{/};
		1245	}
		1246
		1247	$path
		1248	}
		1249
		1250	sub new_from_path {
		1251	my (undef, $path, $base) = @_;
		1252
		1253	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1254
		1255	$path = normalise $path, $base;
		1256
		1257	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1258	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1259	my $self = bless cf::map::new, $pkg;
		1260	$self->{path} = $path; $self->path ($path);
		1261	$self->init; # pass $1 etc.
		1262	return $self;
		1263	}
		1264	}
		1265
		1266	Carp::carp "unable to resolve path '$path' (base '$base').";
		1267	()
		1268	}
		1269
		1270	sub init {
		1271	my ($self) = @_;
		1272
		1273	$self
		1274	}
		1275
		1276	sub as_string {
		1277	my ($self) = @_;
		1278
		1279	"$self->{path}"
		1280	}
		1281
		1282	# the displayed name, this is a one way mapping
		1283	sub visible_name {
		1284	&as_string
		1285	}
		1286
		1287	# the original (read-only) location
		1288	sub load_path {
		1289	my ($self) = @_;
		1290
		1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1292	}
		1293
		1294	# the temporary/swap location
		1295	sub save_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1300	}
		1301
		1302	# the unique path, undef == no special unique path
		1303	sub uniq_path {
		1304	my ($self) = @_;
		1305
		1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1308	}
1317		1309
1318	# and all this just because we cannot iterate over	1310	# and all this just because we cannot iterate over
1319	# all maps in C++...	1311	# all maps in C++...
1320	sub change_all_map_light {	1312	sub change_all_map_light {
…		…
1322		1314
1323	$_->change_map_light ($change)	1315	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1316	for grep $_->outdoor, values %cf::MAP;
1325	}	1317	}
1326		1318
		1319	sub unlink_save {
		1320	my ($self) = @_;
		1321
		1322	utf8::encode (my $save = $self->save_path);
		1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1325	}
		1326
1327	sub try_load_header($) {	1327	sub load_header_from($) {
1328	my ($path) = @_;	1328	my ($self, $path) = @_;
1329		1329
1330	utf8::encode $path;	1330	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1331	#aio_open $path, O_RDONLY, 0
		1332	# or return;
		1333
		1334	$self->_load_header ($path)
1332	or return;	1335	or return;
1333		1336
1334	my $map = cf::map::new	1337	$self->{load_path} = $path;
		1338
		1339	1
		1340	}
		1341
		1342	sub load_header_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->load_path)
		1346	}
		1347
		1348	sub load_header_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->load_header_from ($self->save_path)
		1352	}
		1353
		1354	sub prepare_temp {
		1355	my ($self) = @_;
		1356
		1357	$self->last_access ((delete $self->{last_access})
		1358	|| $cf::RUNTIME); #d#
		1359	# safety
		1360	$self->{instantiate_time} = $cf::RUNTIME
		1361	if $self->{instantiate_time} > $cf::RUNTIME;
		1362	}
		1363
		1364	sub prepare_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->{load_original} = 1;
		1368	$self->{instantiate_time} = $cf::RUNTIME;
		1369	$self->last_access ($cf::RUNTIME);
		1370	$self->instantiate;
		1371	}
		1372
		1373	sub load_header {
		1374	my ($self) = @_;
		1375
		1376	if ($self->load_header_temp) {
		1377	$self->prepare_temp;
		1378	} else {
		1379	$self->load_header_orig
1335	or return;	1380	or return;
		1381	$self->prepare_orig;
		1382	}
1336		1383
1337	# for better error messages only, will be overwritten	1384	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1385	}
1347		1386
1348	sub find;	1387	sub find;
1349	sub find {	1388	sub find {
1350	my ($path, $origin) = @_;	1389	my ($path, $origin) = @_;
1351		1390
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1391	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1392
1357	cf::lock_wait "map_find:$key";	1393	cf::lock_wait "map_find:$path";
1358		1394
1359	$cf::MAP{$key} || do {	1395	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1396	my $guard = cf::lock_acquire "map_find:$path";
1361		1397	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;	1398	or return;
1381		1399
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;	1400	$map->{last_save} = $cf::RUNTIME;
1394		1401
1395	Coro::cede;	1402	$map->load_header
		1403	or return;
1396		1404
1397	if ($map->should_reset) {	1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1406	# doing this can freeze the server in a sync job, obviously
		1407	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1408	$map->reset;
1399	undef $guard;	1409	undef $guard;
1400	$map = find $path	1410	return find $path;
1401	or return;
1402	}	1411	}
1403		1412
1404	$cf::MAP{$key} = $map	1413	$cf::MAP{$path} = $map
1405	}	1414	}
1406	}	1415	}
		1416
		1417	sub pre_load { }
		1418	sub post_load { }
1407		1419
1408	sub load {	1420	sub load {
1409	my ($self) = @_;	1421	my ($self) = @_;
1410		1422
		1423	local $self->{deny_reset} = 1; # loading can take a long time
		1424
1411	my $path = $self->{path};	1425	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1426	my $guard = cf::lock_acquire "map_load:$path";
1413		1427
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1428	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1429
1416	$self->in_memory (cf::MAP_LOADING);	1430	$self->in_memory (cf::MAP_LOADING);
1417		1431
1418	$self->alloc;	1432	$self->alloc;
		1433
		1434	$self->pre_load;
		1435
1419	$self->load_objects ($self->{load_path}, 1)	1436	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1437	or return;
1421		1438
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1440	if delete $self->{load_original};
1424		1441
1425	if (my $uniq = $path->uniq_path) {	1442	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1443	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1444	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1445	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1446	$self->_load_objects ($uniq, 0);
1430	}	1447	}
1431	}	1448	}
1432		1449
1433	Coro::cede;	1450	Coro::cede;
1434		1451
1435	# now do the right thing for maps	1452	# now do the right thing for maps
1436	$self->link_multipart_objects;	1453	$self->link_multipart_objects;
1437		1454
1438	if ($self->{path}->is_style_map) {	1455	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1456	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1457	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1458	$self->update_buttons;
		1459	Coro::cede;
1445	$self->set_darkness_map;	1460	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1461	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1462	unless $self->difficulty;
		1463	Coro::cede;
1448	$self->activate;	1464	$self->activate;
1449	}	1465	}
1450		1466
1451	Coro::cede;	1467	$self->post_load;
1452		1468
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1469	$self->in_memory (cf::MAP_IN_MEMORY);
		1470	}
		1471
		1472	sub customise_for {
		1473	my ($self, $ob) = @_;
		1474
		1475	return find "~" . $ob->name . "/" . $self->{path}
		1476	if $self->per_player;
		1477
		1478	$self
		1479	}
		1480
		1481	# find and load all maps in the 3x3 area around a map
		1482	sub load_diag {
		1483	my ($map) = @_;
		1484
		1485	my @diag; # diagonal neighbours
		1486
		1487	for (0 .. 3) {
		1488	my $neigh = $map->tile_path ($_)
		1489	or next;
		1490	$neigh = find $neigh, $map
		1491	or next;
		1492	$neigh->load;
		1493
		1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1496	}
		1497
		1498	for (@diag) {
		1499	my $neigh = find @$_
		1500	or next;
		1501	$neigh->load;
		1502	}
1454	}	1503	}
1455		1504
1456	sub find_sync {	1505	sub find_sync {
1457	my ($path, $origin) = @_;	1506	my ($path, $origin) = @_;
1458		1507
1459	cf::sync_job { cf::map::find $path, $origin }	1508	cf::sync_job { find $path, $origin }
1460	}	1509	}
1461		1510
1462	sub do_load_sync {	1511	sub do_load_sync {
1463	my ($map) = @_;	1512	my ($map) = @_;
1464		1513
1465	cf::sync_job { $map->load };	1514	cf::sync_job { $map->load };
1466	}	1515	}
1467		1516
		1517	our %MAP_PREFETCH;
		1518	our $MAP_PREFETCHER = undef;
		1519
		1520	sub find_async {
		1521	my ($path, $origin) = @_;
		1522
		1523	$path = normalise $path, $origin && $origin->{path};
		1524
		1525	if (my $map = $cf::MAP{$path}) {
		1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1527	}
		1528
		1529	undef $MAP_PREFETCH{$path};
		1530	$MAP_PREFETCHER ||= cf::async {
		1531	while (%MAP_PREFETCH) {
		1532	for my $path (keys %MAP_PREFETCH) {
		1533	my $map = find $path
		1534	or next;
		1535	$map->load;
		1536
		1537	delete $MAP_PREFETCH{$path};
		1538	}
		1539	}
		1540	undef $MAP_PREFETCHER;
		1541	};
		1542	$MAP_PREFETCHER->prio (6);
		1543
		1544	()
		1545	}
		1546
1468	sub save {	1547	sub save {
1469	my ($self) = @_;	1548	my ($self) = @_;
1470		1549
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1551
1473	$self->{last_save} = $cf::RUNTIME;	1552	$self->{last_save} = $cf::RUNTIME;
1474		1553
1475	return unless $self->dirty;	1554	return unless $self->dirty;
1476		1555
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1556	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1557	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1558
1480	$self->{load_path} = $save;	1559	$self->{load_path} = $save;
1481		1560
1482	return if $self->{deny_save};	1561	return if $self->{deny_save};
1483		1562
…		…
1486	cf::async {	1565	cf::async {
1487	$_->contr->save for $self->players;	1566	$_->contr->save for $self->players;
1488	};	1567	};
1489		1568
1490	if ($uniq) {	1569	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1572	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1574	}
1496	}	1575	}
1497		1576
1498	sub swap_out {	1577	sub swap_out {
1499	my ($self) = @_;	1578	my ($self) = @_;
…		…
1513		1592
1514	sub reset_at {	1593	sub reset_at {
1515	my ($self) = @_;	1594	my ($self) = @_;
1516		1595
1517	# TODO: safety, remove and allow resettable per-player maps	1596	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1598	return 1e99 if $self->{deny_reset};
1520		1599
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1602
…		…
1528	my ($self) = @_;	1607	my ($self) = @_;
1529		1608
1530	$self->reset_at <= $cf::RUNTIME	1609	$self->reset_at <= $cf::RUNTIME
1531	}	1610	}
1532		1611
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 {	1612	sub reset {
1555	my ($self) = @_;	1613	my ($self) = @_;
1556		1614
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1615	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1616
1559	return if $self->players;	1617	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1618	return if $self->isa ("ext::map_per_player");#d#
1561		1619
1562	warn "resetting map ", $self->path;#d#	1620	warn "resetting map ", $self->path;#d#
1563		1621
		1622	$self->in_memory (cf::MAP_SWAPPED);
		1623
		1624	# need to save uniques path
		1625	unless ($self->{deny_save}) {
		1626	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1627
		1628	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1629	if $uniq;
		1630	}
		1631
1564	delete $cf::MAP{$self->path};	1632	delete $cf::MAP{$self->path};
		1633
		1634	$self->clear;
1565		1635
1566	$_->clear_links_to ($self) for values %cf::MAP;	1636	$_->clear_links_to ($self) for values %cf::MAP;
1567		1637
1568	$self->unlink_save;	1638	$self->unlink_save;
1569	$self->destroy;	1639	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1642	my $nuke_counter = "aaaa";
1573		1643
1574	sub nuke {	1644	sub nuke {
1575	my ($self) = @_;	1645	my ($self) = @_;
1576		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->unlink_save;
		1650
		1651	bless $self, "cf::map";
		1652	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1653	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1654	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1656
		1657	$cf::MAP{$self->path} = $self;
		1658
1580	$self->reset; # polite request, might not happen	1659	$self->reset; # polite request, might not happen
1581	}	1660	}
1582		1661
1583	sub customise_for {	1662	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1663
1586	if ($map->per_player) {	1664	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1665	instantiated unique items. May block.
1588	}
1589		1666
1590	$map	1667	=cut
1591	}
1592		1668
1593	sub emergency_save {	1669	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1671	or return;
1595		1672
1596	warn "enter emergency perl save\n";	1673	my @paths;
1597		1674
1598	cf::sync_job {	1675	for (@$files) {
1599	warn "begin emergency player save\n";	1676	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1677	next if /\.pst$/;
1601	warn "end emergency player save\n";	1678	next unless /^$PATH_SEP/o;
1602		1679
1603	warn "begin emergency map save\n";	1680	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1681	}
1607		1682
1608	warn "leave emergency perl save\n";	1683	\@paths
1609	}	1684	}
1610		1685
1611	package cf;	1686	package cf;
1612		1687
1613	=back	1688	=back
1614		1689
		1690	=head3 cf::object
		1691
		1692	=cut
		1693
		1694	package cf::object;
		1695
		1696	=over 4
		1697
		1698	=item $ob->inv_recursive
		1699
		1700	Returns the inventory of the object _and_ their inventories, recursively.
		1701
		1702	=cut
		1703
		1704	sub inv_recursive_;
		1705	sub inv_recursive_ {
		1706	map { $_, inv_recursive_ $_->inv } @_
		1707	}
		1708
		1709	sub inv_recursive {
		1710	inv_recursive_ inv $_[0]
		1711	}
		1712
		1713	package cf;
		1714
		1715	=back
1615		1716
1616	=head3 cf::object::player	1717	=head3 cf::object::player
1617		1718
1618	=over 4	1719	=over 4
1619		1720
…		…
1659		1760
1660	=item $player_object->enter_link	1761	=item $player_object->enter_link
1661		1762
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1763	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1764
1664	The player should be reaosnably safe there for short amounts of time. You	1765	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.	1766	I<MUST> call C<leave_link> as soon as possible, though.
1666		1767
		1768	Will never block.
		1769
1667	=item $player_object->leave_link ($map, $x, $y)	1770	=item $player_object->leave_link ($map, $x, $y)
1668		1771
1669	Moves the player out of the specila link map onto the given map. If the	1772	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	1773	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,	1774	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1775	fails, to the emergency map position.
1673		1776
1674	Might block.	1777	Might block.
1675		1778
1676	=cut	1779	=cut
		1780
		1781	sub link_map {
		1782	unless ($LINK_MAP) {
		1783	$LINK_MAP = cf::map::find "{link}"
		1784	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1785	$LINK_MAP->load;
		1786	}
		1787
		1788	$LINK_MAP
		1789	}
1677		1790
1678	sub cf::object::player::enter_link {	1791	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1792	my ($self) = @_;
1680		1793
1681	$self->deactivate_recursive;	1794	$self->deactivate_recursive;
1682		1795
1683	return if $self->map == $LINK_MAP;	1796	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1797
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1799	if $self->map;
1687		1800
1688	$self->enter_map ($LINK_MAP, 20, 20);	1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1802	}
1690		1803
1691	sub cf::object::player::leave_link {	1804	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1805	my ($self, $map, $x, $y) = @_;
1693		1806
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1824	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1825	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1826	if $x <=0 && $y <= 0;
1714		1827
1715	$map->load;	1828	$map->load;
		1829	$map->load_diag;
1716		1830
1717	return unless $self->contr->active;	1831	return unless $self->contr->active;
1718	$self->activate_recursive;	1832	$self->activate_recursive;
		1833
		1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1835	$self->enter_map ($map, $x, $y);
1720	}	1836	}
1721		1837
1722	cf::player->attach (	1838	cf::player->attach (
1723	on_logout => sub {	1839	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1852	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1853	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1854	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1855	$pl->ob->enter_link;
1740	(async {	1856	(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,	1857	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1858	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1859	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1860	cf::NDI_RED);
		1861	# we need this sleep as the login has a concurrent enter_exit running
		1862	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1863	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1864	$pl->ob->leave_link;
1749	})->prio (2);	1865	})->prio (2);
1750	}	1866	}
1751	},	1867	},
…		…
1756	=cut	1872	=cut
1757		1873
1758	sub cf::object::player::goto {	1874	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1875	my ($self, $path, $x, $y) = @_;
1760		1876
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1877	$self->enter_link;
1765		1878
1766	(async {	1879	(async {
		1880	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1881	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1882	$map = $map->customise_for ($self) if $map;
1769		1883	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1884	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1886
1775	$self->leave_link ($map, $x, $y);	1887	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1888	})->prio (1);
1777	}	1889	}
1778		1890
…		…
1782		1894
1783	sub parse_random_map_params {	1895	sub parse_random_map_params {
1784	my ($spec) = @_;	1896	my ($spec) = @_;
1785		1897
1786	my $rmp = { # defaults	1898	my $rmp = { # defaults
1787	xsize => 10,	1899	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1900	ysize => (cf::rndm 15, 40),
		1901	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1902	#layout => string,
1789	};	1903	};
1790		1904
1791	for (split /\n/, $spec) {	1905	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1906	my ($k, $v) = split /\s+/, $_, 2;
1793		1907
…		…
1797	$rmp	1911	$rmp
1798	}	1912	}
1799		1913
1800	sub prepare_random_map {	1914	sub prepare_random_map {
1801	my ($exit) = @_;	1915	my ($exit) = @_;
		1916
		1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1918
1803	# all this does is basically replace the /! path by	1919	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1920	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1921	# that depends on the exit object
1806		1922
1807	my $rmp = parse_random_map_params $exit->msg;	1923	my $rmp = parse_random_map_params $exit->msg;
1808		1924
1809	if ($exit->map) {	1925	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1926	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1927	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1928	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1929	$rmp->{origin_y} = $exit->y;
1814	}	1930	}
1815		1931
1816	$rmp->{random_seed} ||= $exit->random_seed;	1932	$rmp->{random_seed} ||= $exit->random_seed;
1817		1933
1818	my $data = cf::to_json $rmp;	1934	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1935	my $md5 = Digest::MD5::md5_hex $data;
		1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1937
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1939	aio_write $fh, 0, (length $data), $data, 0;
		1940	undef $fh;
		1941	aio_rename "$meta~", $meta;
1823		1942
1824	$exit->slaying ("?random/$md5");	1943	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1944	$exit->msg (undef);
1826	}	1945	}
1827	}	1946	}
1828		1947
1829	sub cf::object::player::enter_exit {	1948	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1949	my ($self, $exit) = @_;
1831		1950
1832	return unless $self->type == cf::PLAYER;	1951	return unless $self->type == cf::PLAYER;
		1952
		1953	if ($exit->slaying eq "/!") {
		1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1955	cf::sync_job { prepare_random_map $exit };
		1956	}
		1957
		1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1959	my $hp = $exit->stats->hp;
		1960	my $sp = $exit->stats->sp;
1833		1961
1834	$self->enter_link;	1962	$self->enter_link;
1835		1963
1836	(async {	1964	(async {
1837	$self->deactivate_recursive; # just to be sure	1965	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1966	unless (eval {
1839	prepare_random_map $exit	1967	$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		1968
1845	1;	1969	1;
1846	}) {	1970	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1971	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1972	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1973	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1974	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1975
1852	warn "ERROR in enter_exit: $@";	1976	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1977	$self->leave_link;
1854	}	1978	}
…		…
1909	# get handled first	2033	# get handled first
1910	my $queue = delete $ns->{query_queue}	2034	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2035	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2036
1913	(shift @$queue)->[1]->($msg);	2037	(shift @$queue)->[1]->($msg);
		2038	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2039
1915	push @{ $ns->{query_queue} }, @$queue;	2040	push @{ $ns->{query_queue} }, @$queue;
1916		2041
1917	if (@{ $ns->{query_queue} } == @$queue) {	2042	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2043	if (@$queue) {
…		…
2079	The parameter C<$family> should best start with the name of the extension	2204	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2205	using it, it should be unique.
2081		2206
2082	=over 4	2207	=over 4
2083		2208
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	2209	=item $value = cf::db_get $family => $key
2091		2210
2092	Returns a single value from the database	2211	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		2212
2099	=item cf::db_put $family => $key => $value	2213	=item cf::db_put $family => $key => $value
2100		2214
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2215	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		2216
2112	=cut	2217	=cut
2113		2218
2114	our $DB;	2219	our $DB;
2115		2220
2116	{	2221	sub db_init {
		2222	unless ($DB) {
		2223	$DB = BDB::db_create $DB_ENV;
		2224
		2225	cf::sync_job {
		2226	eval {
		2227	$DB->set_flags (BDB::CHKSUM);
		2228
		2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2231	cf::cleanup "db_open(db): $!" if $!;
		2232	};
		2233	cf::cleanup "db_open(db): $@" if $@;
		2234	};
		2235
2117	my $path = cf::localdir . "/database.pst";	2236	my $path = cf::localdir . "/database.pst";
		2237	if (stat $path) {
		2238	cf::sync_job {
		2239	my $pst = Storable::retrieve $path;
2118		2240
2119	sub db_load() {	2241	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2242	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2243	cf::db_put (rent => balance => $pst->{rent}{balance});
		2244	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2245
2123	my $pid;	2246	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	}	2247	};
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	},	2248	}
2171	);	2249	}
		2250	}
		2251
		2252	sub db_get($$) {
		2253	my $key = "$_[0]/$_[1]";
		2254
		2255	cf::sync_job {
		2256	BDB::db_get $DB, undef, $key, my $data;
		2257
		2258	$! ? ()
		2259	: Compress::LZF::sthaw $data
		2260	}
		2261	}
		2262
		2263	sub db_put($$$) {
		2264	BDB::dbreq_pri 4;
		2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2172	}	2266	}
2173		2267
2174	#############################################################################	2268	#############################################################################
2175	# the server's main()	2269	# the server's init and main functions
		2270
		2271	sub init_resources {
		2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2273	or die "unable to load regions file\n";#d#
		2274	}
2176		2275
2177	sub cfg_load {	2276	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2278	or return;
2180		2279
…		…
2193	};	2292	};
2194	warn $@ if $@;	2293	warn $@ if $@;
2195	}	2294	}
2196	}	2295	}
2197		2296
		2297	sub init {
		2298	init_resources;
		2299	}
		2300
2198	sub main {	2301	sub main {
2199	# we must not ever block the main coroutine	2302	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2303	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2305	(async {
2202	async { Event::one_event };	2306	Event::one_event;
		2307	})->prio (Coro::PRIO_MAX);
2203	};	2308	};
2204		2309
2205	cfg_load;	2310	cfg_load;
2206	db_load;	2311	db_init;
2207	load_extensions;	2312	load_extensions;
		2313
		2314	$TICK_WATCHER->start;
2208	Event::loop;	2315	Event::loop;
2209	}	2316	}
2210		2317
2211	#############################################################################	2318	#############################################################################
2212	# initialisation	2319	# initialisation and cleanup
		2320
		2321	# install some emergency cleanup handlers
		2322	BEGIN {
		2323	for my $signal (qw(INT HUP TERM)) {
		2324	Event->signal (
		2325	reentrant => 0,
		2326	data => WF_AUTOCANCEL,
		2327	signal => $signal,
		2328	prio => 0,
		2329	cb => sub {
		2330	cf::cleanup "SIG$signal";
		2331	},
		2332	);
		2333	}
		2334	}
		2335
		2336	sub emergency_save() {
		2337	my $freeze_guard = cf::freeze_mainloop;
		2338
		2339	warn "enter emergency perl save\n";
		2340
		2341	cf::sync_job {
		2342	# use a peculiar iteration method to avoid tripping on perl
		2343	# refcount bugs in for. also avoids problems with players
		2344	# and maps saved/destroyed asynchronously.
		2345	warn "begin emergency player save\n";
		2346	for my $login (keys %cf::PLAYER) {
		2347	my $pl = $cf::PLAYER{$login} or next;
		2348	$pl->valid or next;
		2349	$pl->save;
		2350	}
		2351	warn "end emergency player save\n";
		2352
		2353	warn "begin emergency map save\n";
		2354	for my $path (keys %cf::MAP) {
		2355	my $map = $cf::MAP{$path} or next;
		2356	$map->valid or next;
		2357	$map->save;
		2358	}
		2359	warn "end emergency map save\n";
		2360
		2361	warn "begin emergency database checkpoint\n";
		2362	BDB::db_env_txn_checkpoint $DB_ENV;
		2363	warn "end emergency database checkpoint\n";
		2364	};
		2365
		2366	warn "leave emergency perl save\n";
		2367	}
		2368
		2369	sub post_cleanup {
		2370	my ($make_core) = @_;
		2371
		2372	warn Carp::longmess "post_cleanup backtrace"
		2373	if $make_core;
		2374	}
2213		2375
2214	sub reload() {	2376	sub reload() {
2215	# can/must only be called in main	2377	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2378	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2379	warn "can only reload from main coroutine";
2218	return;	2380	return;
2219	}	2381	}
2220		2382
2221	warn "reloading...";	2383	warn "reloading...";
2222		2384
2223	my $guard = freeze_mainloop;	2385	warn "entering sync_job";
		2386
		2387	cf::sync_job {
		2388	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2389	cf::emergency_save;
		2390	cf::write_runtime; # external watchdog should not bark
2225		2391
2226	eval {	2392	warn "syncing database to disk";
		2393	BDB::db_env_txn_checkpoint $DB_ENV;
		2394
2227	# if anything goes wrong in here, we should simply crash as we already saved	2395	# if anything goes wrong in here, we should simply crash as we already saved
2228		2396
2229	# cancel all watchers	2397	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2398	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2400	}
2233		2401
		2402	warn "flushing outstanding aio requests";
		2403	for (;;) {
		2404	BDB::flush;
		2405	IO::AIO::flush;
		2406	Coro::cede;
		2407	last unless IO::AIO::nreqs || BDB::nreqs;
		2408	warn "iterate...";
		2409	}
		2410
2234	# cancel all extension coros	2411	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2412	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2413	%EXT_CORO = ();
2237		2414
2238	# unload all extensions	2415	warn "removing commands";
2239	for (@exts) {	2416	%COMMAND = ();
		2417
		2418	warn "removing ext commands";
		2419	%EXTCMD = ();
		2420
		2421	warn "unloading/nuking all extensions";
		2422	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2423	warn "... unloading $pkg";
2241	unload_extension $_;	2424
		2425	if (my $cb = $pkg->can ("unload")) {
		2426	eval {
		2427	$cb->($pkg);
		2428	1
		2429	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2430	}
2243		2431
		2432	warn "... nuking $pkg";
		2433	Symbol::delete_package $pkg;
		2434	}
		2435
2244	# unload all modules loaded from $LIBDIR	2436	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2437	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2439
2248	warn "removing <$k>";	2440	warn "... unloading $k";
2249	delete $INC{$k};	2441	delete $INC{$k};
2250		2442
2251	$k =~ s/\.pm$//;	2443	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2444	$k =~ s/\//::/g;
2253		2445
…		…
2256	}	2448	}
2257		2449
2258	Symbol::delete_package $k;	2450	Symbol::delete_package $k;
2259	}	2451	}
2260		2452
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2453	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2454	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2456
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2457	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2458	delete $INC{"cf.pm"};
2274		2459
2275	# don't, removes xs symbols, too,	2460	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2461	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2462	#Symbol::delete_package __PACKAGE__;
2278		2463
2279	# reload cf.pm	2464	warn "unload completed, starting to reload now";
		2465
2280	warn "reloading cf.pm";	2466	warn "reloading cf.pm";
2281	require cf;	2467	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2469
2284	# load config and database again	2470	warn "loading config and database again";
2285	cf::cfg_load;	2471	cf::cfg_load;
2286	cf::db_load;
2287		2472
2288	# load extensions
2289	warn "load extensions";	2473	warn "loading extensions";
2290	cf::load_extensions;	2474	cf::load_extensions;
2291		2475
2292	# reattach attachments to objects	2476	warn "reattaching attachments to objects/players";
2293	warn "reattach";
2294	_global_reattach;	2477	_global_reattach;
		2478	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2479	reattach $_ for values %MAP;
2296	};
2297		2480
2298	if ($@) {	2481	warn "loading reloadable resources";
		2482	init_resources;
		2483
		2484	warn "leaving sync_job";
		2485
		2486	1
		2487	} or do {
2299	warn $@;	2488	warn $@;
2300	warn "error while reloading, exiting.";	2489	warn "error while reloading, exiting.";
2301	exit 1;	2490	exit 1;
2302	}	2491	};
2303		2492
2304	warn "reloaded successfully";	2493	warn "reloaded";
2305	};	2494	};
2306		2495
2307	#############################################################################	2496	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} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2497
2352	register_command "reload" => sub {	2498	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2499	my ($who, $arg) = @_;
2354		2500
2355	if ($who->flag (FLAG_WIZ)) {	2501	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2502	$who->message ("reloading server.");
		2503
		2504	# doing reload synchronously and two reloads happen back-to-back,
		2505	# coro crashes during coro_state_free->destroy here.
		2506
		2507	$RELOAD_WATCHER ||= Event->timer (
		2508	reentrant => 0,
		2509	after => 0,
		2510	data => WF_AUTOCANCEL,
		2511	cb => sub {
2357	reload;	2512	reload;
2358	$who->message ("end of reload.");	2513	undef $RELOAD_WATCHER;
		2514	},
		2515	);
2359	}	2516	}
2360	};	2517	};
2361		2518
2362	unshift @INC, $LIBDIR;	2519	unshift @INC, $LIBDIR;
		2520
		2521	my $bug_warning = 0;
2363		2522
2364	$TICK_WATCHER = Event->timer (	2523	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2524	reentrant => 0,
		2525	parked => 1,
2366	prio => 0,	2526	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2527	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2528	data => WF_AUTOCANCEL,
2369	cb => sub {	2529	cb => sub {
		2530	if ($Coro::current != $Coro::main) {
		2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2532	unless ++$bug_warning > 10;
		2533	return;
		2534	}
		2535
		2536	$NOW = Event::time;
		2537
2370	cf::server_tick; # one server iteration	2538	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2539	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2540	$NEXT_TICK += $TICK;
		2541
		2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2543	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2544	Coro::async_pool {
		2545	write_runtime
		2546	or warn "ERROR: unable to write runtime file: $!";
		2547	};
		2548	}
		2549
		2550	$WAIT_FOR_TICK->broadcast;
		2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2552
		2553	# my $AFTER = Event::time;
		2554	# warn $AFTER - $NOW;#d#
2373		2555
2374	# if we are delayed by four ticks or more, skip them all	2556	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2558
2377	$TICK_WATCHER->at ($NEXT_TICK);	2559	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2560	$TICK_WATCHER->start;
2379	},	2561	},
2380	);	2562	);
2381		2563
		2564	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2565	BDB::max_poll_time $TICK * 0.1;
2383		2566	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2567	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2568	fd => BDB::poll_fileno,
2386	poll => 'r',	2569	poll => 'r',
2387	prio => 5,	2570	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2394	after => 0,	2572	cb => \&BDB::poll_cb,
2395	interval => 10,	2573	);
2396	cb => sub {	2574	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2575
2398	write_runtime	2576	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2577	my $status;
		2578	my $current = $Coro::current;
		2579	(
		2580	sub {
		2581	$status = $!;
		2582	$current->ready; undef $current;
		2583	},
		2584	sub {
		2585	Coro::schedule while defined $current;
		2586	$! = $status;
		2587	},
		2588	)
		2589	};
		2590
		2591	unless ($DB_ENV) {
		2592	$DB_ENV = BDB::db_env_create;
		2593
		2594	cf::sync_job {
		2595	eval {
		2596	BDB::db_env_open
		2597	$DB_ENV,
		2598	$BDB_ENV_DIR,
		2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2601	0666;
		2602
		2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2604
		2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2606	$DB_ENV->set_lk_detect;
		2607	};
		2608
		2609	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2610	};
2401	},	2611	}
2402	);	2612	}
		2613
		2614	{
		2615	IO::AIO::min_parallel 8;
		2616
		2617	undef $Coro::AIO::WATCHER;
		2618	IO::AIO::max_poll_time $TICK * 0.1;
		2619	$AIO_POLL_WATCHER = Event->io (
		2620	reentrant => 0,
		2621	data => WF_AUTOCANCEL,
		2622	fd => IO::AIO::poll_fileno,
		2623	poll => 'r',
		2624	prio => 6,
		2625	cb => \&IO::AIO::poll_cb,
		2626	);
		2627	}
2403		2628
2404	END { cf::emergency_save }	2629	END { cf::emergency_save }
2405		2630
2406	1	2631	1
2407		2632

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