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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
23	use IO::AIO 2.32 ();	26	use IO::AIO 2.32 ();
24	use YAML::Syck ();	27	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
28		34
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		36
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
33		39
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		41
36	our %COMMAND = ();	42	our %COMMAND = ();
37	our %COMMAND_TIME = ();	43	our %COMMAND_TIME = ();
		44
		45	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	46	our %EXTCMD = ();
		47	our %EXT_CORO = (); # coroutines bound to extensions
		48	our %EXT_MAP = (); # pluggable maps
39		49
		50	our $RELOAD; # number of reloads so far
40	our @EVENT;	51	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
42		53
43	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	58	our $NEXT_TICK;
46	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
47		64
48	our %CFG;	65	our %CFG;
49		66
50	our $UPTIME; $UPTIME ||= time;	67	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	68	our $RUNTIME;
52		69
53	our %PLAYER; # all users	70	our %PLAYER; # all users
54	our %MAP; # all maps	71	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	73	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	74	our $BDB_ENV_DIR = cf::localdir . "/db";
58		75
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		81
62	binmode STDOUT;	82	binmode STDOUT;
63	binmode STDERR;	83	binmode STDERR;
64		84
65	# read virtual server time, if available	85	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	92	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
77		98
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	99	our $EMERGENCY_POSITION;
		100
		101	sub cf::map::normalise;
81		102
82	#############################################################################	103	#############################################################################
83		104
84	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
85		106
…		…
156	}	177	}
157		178
158	$Event::DIED = sub {	179	$Event::DIED = sub {
159	warn "error in event callback: @_";	180	warn "error in event callback: @_";
160	};	181	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		182
166	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
167		184
168	=over 4	185	=over 4
169		186
…		…
257	}	274	}
258		275
259	sub freeze_mainloop {	276	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	277	return unless $TICK_WATCHER->is_active;
261		278
262	my $guard = Coro::guard { $TICK_WATCHER->start };	279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
263	$TICK_WATCHER->stop;	282	$TICK_WATCHER->stop;
264	$guard	283	$guard
265	}	284	}
266		285
267	=item cf::async { BLOCK }	286	=item cf::async { BLOCK }
…		…
319	}	338	}
320	}	339	}
321		340
322	=item $coro = cf::async_ext { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
323		342
324	Like async, but this coro is automcatially being canceled when the	343	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	344	extension calling this is being unloaded.
326		345
327	=cut	346	=cut
328		347
329	sub async_ext(&) {	348	sub async_ext(&) {
…		…
338		357
339	$coro	358	$coro
340	}	359	}
341		360
342	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
343	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
344		365
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	367	or return;
347		368
		369	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	374	and return;
351		375
		376	# always fsync - this file is important
352	aio_fsync $fh	377	aio_fsync $fh
353	and return;	378	and return;
354		379
355	close $fh	380	close $fh
356	or return;	381	or return;
…		…
362	}	387	}
363		388
364	=back	389	=back
365		390
366	=cut	391	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		392
495	#############################################################################	393	#############################################################################
496		394
497	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
498		396
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	523	our @CB_MAP = ();
626		524
627	my %attachment;	525	my %attachment;
628		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
629	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
631		535
632	use sort 'stable';	536	use sort 'stable';
633		537
…		…
804	# object support	708	# object support
805		709
806	sub reattach {	710	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		715
810	my $registry = $obj->registry;	716	my $registry = $obj->registry;
811		717
812	@$registry = ();	718	@$registry = ();
813		719
…		…
860	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
861		767
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	772	close $fh;
867		773
868	if (@$objs) {	774	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	780	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
876	}	782	}
877	} else {	783	} else {
878	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
945	=cut	851	=cut
946		852
947	sub register_extcmd {	853	sub register_extcmd {
948	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
949		855
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
954	}	857	}
955		858
956	cf::player->attach (	859	cf::player->attach (
957	on_command => sub {	860	on_command => sub {
958	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
971		874
972	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
973		876
974	if (ref $msg) {	877	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	881	}
979	}	882	}
980	} else {	883	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		886
984	cf::override;	887	cf::override;
985	},	888	},
986	);	889	);
987		890
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	891	sub load_extension {
995	my ($path) = @_;	892	my ($path) = @_;
996		893
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	895	my $base = $1;
999	my $pkg = $1;	896	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
1002		899
1003	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
1004		901
1005	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	903	or die "$path: $!";
1007		904
1008	my $source =	905	my $source =
1009	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1012	. "\n};\n1";	909	. "\n};\n1";
1013		910
1014	eval $source	911	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	913	: "extension disabled.\n";
1017		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	915	warn $@;
1019	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1020		917	exit 1;
1021	# no strict 'refs';	918	}
1022	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	920	}
1037		921
1038	# remove commands	922	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	923	}
1063		924
1064	sub load_extensions {	925	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	927	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1071	}	932	}
1072	}	933	}
1073		934
1074	#############################################################################	935	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		936
1090	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1091		938
1092	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1093		940
…		…
1129		976
1130	sub exists($) {	977	sub exists($) {
1131	my ($login) = @_;	978	my ($login) = @_;
1132		979
1133	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1135	}	982	}
1136		983
1137	sub find($) {	984	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	986	my $login = $_[0];
…		…
1185		1032
1186	=cut	1033	=cut
1187		1034
1188	sub quit_character {	1035	sub quit_character {
1189	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1190		1039
1191	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1042
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1204	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1205	}	1074	}
1206		1075
1207	=item cf::player::list_logins	1076	=item cf::player::list_logins
1208		1077
1209	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1229	\@logins	1098	\@logins
1230	}	1099	}
1231		1100
1232	=item $player->maps	1101	=item $player->maps
1233		1102
1234	Returns an arrayref of cf::path's of all maps that are private for this	1103	Returns an arrayref of map paths that are private for this
1235	player. May block.	1104	player. May block.
1236		1105
1237	=cut	1106	=cut
1238		1107
1239	sub maps($) {	1108	sub maps($) {
1240	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1112
1242	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1243	or return;	1114	or return;
1244		1115
1245	my @paths;	1116	my @paths;
…		…
1247	for (@$files) {	1118	for (@$files) {
1248	utf8::decode $_;	1119	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1251		1122
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1124	}
1254		1125
1255	\@paths	1126	\@paths
1256	}	1127	}
1257		1128
…		…
1283	package cf::map;	1154	package cf::map;
1284		1155
1285	use Fcntl;	1156	use Fcntl;
1286	use Coro::AIO;	1157	use Coro::AIO;
1287		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1288	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1290		1165
1291	sub generate_random_map {	1166	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1169	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308	}	1311	}
1309		1312
1310	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1311	# all maps in C++...	1314	# all maps in C++...
1312	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1314		1317
1315	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1317	}	1320	}
1318		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1319	sub try_load_header($) {	1330	sub load_header_from($) {
1320	my ($path) = @_;	1331	my ($self, $path) = @_;
1321		1332
1322	utf8::encode $path;	1333	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1324	or return;	1338	or return;
1325		1339
1326	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1327	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1328		1386
1329	# for better error messages only, will be overwritten	1387	1
1330	$map->path ($path);
1331
1332	$map->load_header ($path)
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1388	}
1339		1389
1340	sub find;	1390	sub find;
1341	sub find {	1391	sub find {
1342	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1343		1393
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1395
1349	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1350		1397
1351	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1353		1400	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1401	or return;
1373		1402
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1386		1404
1387	Coro::cede;	1405	$map->load_header
		1406	or return;
1388		1407
1389	if ($map->should_reset) {	1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1411	$map->reset;
1391	undef $guard;	1412	undef $guard;
1392	$map = find $path	1413	return find $path;
1393	or return;
1394	}	1414	}
1395		1415
1396	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1397	}	1417	}
1398	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1399		1422
1400	sub load {	1423	sub load {
1401	my ($self) = @_;	1424	my ($self) = @_;
1402		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1403	my $path = $self->{path};	1428	my $path = $self->{path};
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1405		1430
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1432
1408	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1409		1434
1410	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1411	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1440	or return;
1413		1441
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1443	if delete $self->{load_original};
1416		1444
1417	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1446	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1448	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1422	}	1450	}
1423	}	1451	}
1424		1452
1425	Coro::cede;	1453	Coro::cede;
1426		1454
1427	# now do the right thing for maps	1455	# now do the right thing for maps
1428	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1429		1457
1430	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1431	$self->{deny_save} = 1;	1459	$self->decay_objects;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1437	$self->set_darkness_map;	1463	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1440	$self->activate;	1467	$self->activate;
1441	}	1468	}
1442		1469
1443	Coro::cede;	1470	$self->post_load;
1444		1471
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
		1473	}
		1474
		1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
1446	}	1482	}
1447		1483
1448	# find and load all maps in the 3x3 area around a map	1484	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1485	sub load_diag {
1450	my ($map) = @_;	1486	my ($map) = @_;
…		…
1480		1516
1481	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1482	}	1518	}
1483		1519
1484	our %MAP_PREFETCH;	1520	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1521	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1522
1500	sub find_async {	1523	sub find_async {
1501	my ($path, $origin) = @_;	1524	my ($path, $origin) = @_;
1502		1525
1503	$path = new cf::path $path, $origin && $origin->path;	1526	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1527
1506	if (my $map = $cf::MAP{$key}) {	1528	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1530	}
1509		1531
1510	$MAP_PREFETCH{$key} = $path;	1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
		1538	$map->load;
		1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
		1544	};
1511	$MAP_PREFETCHER->ready;	1545	$MAP_PREFETCHER->prio (6);
1512		1546
1513	()	1547	()
1514	}	1548	}
1515		1549
1516	sub save {	1550	sub save {
…		…
1520		1554
1521	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1522		1556
1523	return unless $self->dirty;	1557	return unless $self->dirty;
1524		1558
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1561
1528	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1529		1563
1530	return if $self->{deny_save};	1564	return if $self->{deny_save};
1531		1565
…		…
1534	cf::async {	1568	cf::async {
1535	$_->contr->save for $self->players;	1569	$_->contr->save for $self->players;
1536	};	1570	};
1537		1571
1538	if ($uniq) {	1572	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1575	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1577	}
1544	}	1578	}
1545		1579
1546	sub swap_out {	1580	sub swap_out {
1547	my ($self) = @_;	1581	my ($self) = @_;
…		…
1561		1595
1562	sub reset_at {	1596	sub reset_at {
1563	my ($self) = @_;	1597	my ($self) = @_;
1564		1598
1565	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1568		1602
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1605
…		…
1576	my ($self) = @_;	1610	my ($self) = @_;
1577		1611
1578	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1579	}	1613	}
1580		1614
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1615	sub reset {
1603	my ($self) = @_;	1616	my ($self) = @_;
1604		1617
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1619
1607	return if $self->players;	1620	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1609		1622
1610	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1611		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1612	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1613		1638
1614	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1615		1640
1616	$self->unlink_save;	1641	$self->unlink_save;
1617	$self->destroy;	1642	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1621		1646
1622	sub nuke {	1647	sub nuke {
1623	my ($self) = @_;	1648	my ($self) = @_;
1624		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1628	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1629	}	1663	}
1630		1664
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1665	=item cf::map::unique_maps
1642		1666
1643	Returns an arrayref of cf::path's of all shared maps that have	1667	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1668	instantiated unique items. May block.
1645		1669
1646	=cut	1670	=cut
1647		1671
1648	sub unique_maps() {	1672	sub unique_maps() {
…		…
1654	for (@$files) {	1678	for (@$files) {
1655	utf8::decode $_;	1679	utf8::decode $_;
1656	next if /\.pst$/;	1680	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1681	next unless /^$PATH_SEP/o;
1658		1682
1659	push @paths, new cf::path $_;	1683	push @paths, cf::map::normalise $_;
1660	}	1684	}
1661		1685
1662	\@paths	1686	\@paths
1663	}	1687	}
1664		1688
…		…
1739		1763
1740	=item $player_object->enter_link	1764	=item $player_object->enter_link
1741		1765
1742	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1743		1767
1744	The player should be reaosnably safe there for short amounts of time. You	1768	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1746		1770
		1771	Will never block.
		1772
1747	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1748		1774
1749	Moves the player out of the specila link map onto the given map. If the	1775	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1776	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1778	fails, to the emergency map position.
1753		1779
1754	Might block.	1780	Might block.
1755		1781
1756	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1757		1793
1758	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1795	my ($self) = @_;
1760		1796
1761	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1762		1798
1763	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1800
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1802	if $self->map;
1767		1803
1768	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1805	}
1770		1806
1771	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1773		1809
…		…
1795	$map->load;	1831	$map->load;
1796	$map->load_diag;	1832	$map->load_diag;
1797		1833
1798	return unless $self->contr->active;	1834	return unless $self->contr->active;
1799	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1801	}	1839	}
1802		1840
1803	cf::player->attach (	1841	cf::player->attach (
1804	on_logout => sub {	1842	on_logout => sub {
…		…
1817	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes	1856	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1821	(async {	1859	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,	1860	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",	1862	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);	1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
1828	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1830	})->prio (2);	1868	})->prio (2);
1831	}	1869	}
1832	},	1870	},
…		…
1837	=cut	1875	=cut
1838		1876
1839	sub cf::object::player::goto {	1877	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1841		1879
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1880	$self->enter_link;
1845		1881
1846	(async {	1882	(async {
		1883	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1849		1886	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		1889
1855	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1891	})->prio (1);
1857	}	1892	}
1858		1893
…		…
1862		1897
1863	sub parse_random_map_params {	1898	sub parse_random_map_params {
1864	my ($spec) = @_;	1899	my ($spec) = @_;
1865		1900
1866	my $rmp = { # defaults	1901	my $rmp = { # defaults
1867	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1869	};	1906	};
1870		1907
1871	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1873		1910
…		…
1877	$rmp	1914	$rmp
1878	}	1915	}
1879		1916
1880	sub prepare_random_map {	1917	sub prepare_random_map {
1881	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1921
1883	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1924	# that depends on the exit object
1886		1925
1887	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1888		1927
1889	if ($exit->map) {	1928	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1894	}	1933	}
1895		1934
1896	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1897		1936
1898	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900		1940
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1903		1945
1904	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	1947	$exit->msg (undef);
1906	}	1948	}
1907	}	1949	}
1908		1950
1909	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1911		1953
1912	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
1913		1964
1914	$self->enter_link;	1965	$self->enter_link;
1915		1966
1916	(async {	1967	(async {
1917	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	1969	unless (eval {
1919	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		1971
1925	1;	1972	1;
1926	}) {	1973	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
…		…
1989	# get handled first	2036	# get handled first
1990	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2039
1993	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2042
1995	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1996		2044
1997	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2046	if (@$queue) {
…		…
2159	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
2160	using it, it should be unique.	2208	using it, it should be unique.
2161		2209
2162	=over 4	2210	=over 4
2163		2211
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
2171		2213
2172	Returns a single value from the database	2214	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2215
2179	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
2180		2217
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2219
2192	=cut	2220	=cut
2193		2221
2194	our $DB;	2222	our $DB;
2195		2223
2196	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
2197	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
2198		2243
2199	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
2200	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
2201	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
2202		2248
2203	my $pid;	2249	unlink $path;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2250	};
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2251	}
2251	);	2252	}
		2253	}
		2254
		2255	sub db_get($$) {
		2256	my $key = "$_[0]/$_[1]";
		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
		2266	sub db_put($$$) {
		2267	BDB::dbreq_pri 4;
		2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}	2269	}
2253		2270
2254	#############################################################################	2271	#############################################################################
2255	# the server's main()	2272	# the server's init and main functions
		2273
		2274	sub load_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2291	Coro::cede;
		2292	}
		2293
		2294	1
		2295	}
		2296
		2297	sub reload_resources {
		2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2299	or die "unable to load regions file\n";#d#
		2300	load_faces
		2301	or die "unable to load faces\n";#d#
		2302	}
		2303
		2304	sub init {
		2305	reload_resources;
		2306	}
2256		2307
2257	sub cfg_load {	2308	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2309	open my $fh, "<:utf8", cf::confdir . "/config"
2259	or return;	2310	or return;
2260		2311
…		…
2277		2328
2278	sub main {	2329	sub main {
2279	# we must not ever block the main coroutine	2330	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2331	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2333	(async {
2282	async { Event::one_event };	2334	Event::one_event;
		2335	})->prio (Coro::PRIO_MAX);
2283	};	2336	};
2284		2337
2285	cfg_load;	2338	cfg_load;
2286	db_load;	2339	db_init;
2287	load_extensions;	2340	load_extensions;
		2341
		2342	$TICK_WATCHER->start;
2288	Event::loop;	2343	Event::loop;
2289	}	2344	}
2290		2345
2291	#############################################################################	2346	#############################################################################
2292	# initialisation and cleanup	2347	# initialisation and cleanup
2293		2348
2294	# install some emergency cleanup handlers	2349	# install some emergency cleanup handlers
2295	BEGIN {	2350	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2351	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2352	Event->signal (
		2353	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2354	data => WF_AUTOCANCEL,
2299	signal => $signal,	2355	signal => $signal,
		2356	prio => 0,
2300	cb => sub {	2357	cb => sub {
2301	cf::cleanup "SIG$signal";	2358	cf::cleanup "SIG$signal";
2302	},	2359	},
2303	);	2360	);
2304	}	2361	}
2305	}	2362	}
…		…
2310	warn "enter emergency perl save\n";	2367	warn "enter emergency perl save\n";
2311		2368
2312	cf::sync_job {	2369	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2370	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2371	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2372	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2373	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2374	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2375	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2376	$pl->valid or next;
2320	$pl->save;	2377	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2383	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2384	$map->valid or next;
2328	$map->save;	2385	$map->save;
2329	}	2386	}
2330	warn "end emergency map save\n";	2387	warn "end emergency map save\n";
		2388
		2389	warn "begin emergency database checkpoint\n";
		2390	BDB::db_env_txn_checkpoint $DB_ENV;
		2391	warn "end emergency database checkpoint\n";
2331	};	2392	};
2332		2393
2333	warn "leave emergency perl save\n";	2394	warn "leave emergency perl save\n";
		2395	}
		2396
		2397	sub post_cleanup {
		2398	my ($make_core) = @_;
		2399
		2400	warn Carp::longmess "post_cleanup backtrace"
		2401	if $make_core;
2334	}	2402	}
2335		2403
2336	sub reload() {	2404	sub reload() {
2337	# can/must only be called in main	2405	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2406	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2407	warn "can only reload from main coroutine";
2340	return;	2408	return;
2341	}	2409	}
2342		2410
2343	warn "reloading...";	2411	warn "reloading...";
2344		2412
2345	my $guard = freeze_mainloop;	2413	warn "entering sync_job";
		2414
		2415	cf::sync_job {
		2416	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2417	cf::emergency_save;
		2418	cf::write_runtime; # external watchdog should not bark
2347		2419
2348	eval {	2420	warn "syncing database to disk";
		2421	BDB::db_env_txn_checkpoint $DB_ENV;
		2422
2349	# if anything goes wrong in here, we should simply crash as we already saved	2423	# if anything goes wrong in here, we should simply crash as we already saved
2350		2424
2351	# cancel all watchers	2425	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2426	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2428	}
2355		2429
		2430	warn "flushing outstanding aio requests";
		2431	for (;;) {
		2432	BDB::flush;
		2433	IO::AIO::flush;
		2434	Coro::cede;
		2435	last unless IO::AIO::nreqs || BDB::nreqs;
		2436	warn "iterate...";
		2437	}
		2438
		2439	++$RELOAD;
		2440
2356	# cancel all extension coros	2441	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2442	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2443	%EXT_CORO = ();
2359		2444
2360	# unload all extensions	2445	warn "removing commands";
2361	for (@exts) {	2446	%COMMAND = ();
		2447
		2448	warn "removing ext commands";
		2449	%EXTCMD = ();
		2450
		2451	warn "unloading/nuking all extensions";
		2452	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2453	warn "... unloading $pkg";
2363	unload_extension $_;	2454
		2455	if (my $cb = $pkg->can ("unload")) {
		2456	eval {
		2457	$cb->($pkg);
		2458	1
		2459	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2460	}
2365		2461
		2462	warn "... nuking $pkg";
		2463	Symbol::delete_package $pkg;
		2464	}
		2465
2366	# unload all modules loaded from $LIBDIR	2466	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2467	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2469
2370	warn "removing <$k>";	2470	warn "... unloading $k";
2371	delete $INC{$k};	2471	delete $INC{$k};
2372		2472
2373	$k =~ s/\.pm$//;	2473	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2474	$k =~ s/\//::/g;
2375		2475
…		…
2378	}	2478	}
2379		2479
2380	Symbol::delete_package $k;	2480	Symbol::delete_package $k;
2381	}	2481	}
2382		2482
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2483	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2484	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2486
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2487	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2488	delete $INC{"cf.pm"};
2396		2489
2397	# don't, removes xs symbols, too,	2490	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2491	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2492	#Symbol::delete_package __PACKAGE__;
2400		2493
2401	# reload cf.pm	2494	warn "unload completed, starting to reload now";
		2495
2402	warn "reloading cf.pm";	2496	warn "reloading cf.pm";
2403	require cf;	2497	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2499
2406	# load config and database again	2500	warn "loading config and database again";
2407	cf::cfg_load;	2501	cf::cfg_load;
2408	cf::db_load;
2409		2502
2410	# load extensions
2411	warn "load extensions";	2503	warn "loading extensions";
2412	cf::load_extensions;	2504	cf::load_extensions;
2413		2505
2414	# reattach attachments to objects	2506	warn "reattaching attachments to objects/players";
2415	warn "reattach";	2507	_global_reattach; # objects, sockets
2416	_global_reattach;	2508	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2509	reattach $_ for values %MAP;
2418	};	2510	warn "reattaching attachments to players";
		2511	reattach $_ for values %PLAYER;
2419		2512
2420	if ($@) {	2513	warn "loading reloadable resources";
		2514	reload_resources;
		2515
		2516	warn "leaving sync_job";
		2517
		2518	1
		2519	} or do {
2421	warn $@;	2520	warn $@;
2422	warn "error while reloading, exiting.";	2521	warn "error while reloading, exiting.";
2423	exit 1;	2522	exit 1;
2424	}	2523	};
2425		2524
2426	warn "reloaded successfully";	2525	warn "reloaded";
2427	};	2526	};
2428		2527
2429	#############################################################################	2528	our $RELOAD_WATCHER; # used only during reload
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}
2471
2472	register "<global>", __PACKAGE__;
2473		2529
2474	register_command "reload" => sub {	2530	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2531	my ($who, $arg) = @_;
2476		2532
2477	if ($who->flag (FLAG_WIZ)) {	2533	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");	2534	$who->message ("reloading server.");
		2535
		2536	# doing reload synchronously and two reloads happen back-to-back,
		2537	# coro crashes during coro_state_free->destroy here.
		2538
		2539	$RELOAD_WATCHER ||= Event->timer (
		2540	reentrant => 0,
		2541	after => 0,
		2542	data => WF_AUTOCANCEL,
		2543	cb => sub {
2479	reload;	2544	reload;
2480	$who->message ("end of reload.");	2545	undef $RELOAD_WATCHER;
		2546	},
		2547	);
2481	}	2548	}
2482	};	2549	};
2483		2550
2484	unshift @INC, $LIBDIR;	2551	unshift @INC, $LIBDIR;
		2552
		2553	my $bug_warning = 0;
2485		2554
2486	$TICK_WATCHER = Event->timer (	2555	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2556	reentrant => 0,
		2557	parked => 1,
2488	prio => 0,	2558	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2559	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2491	cb => sub {	2561	cb => sub {
		2562	if ($Coro::current != $Coro::main) {
		2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2564	unless ++$bug_warning > 10;
		2565	return;
		2566	}
		2567
		2568	$NOW = Event::time;
		2569
2492	cf::server_tick; # one server iteration	2570	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;	2571	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2572	$NEXT_TICK += $TICK;
2495		2573
		2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2575	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2576	Coro::async_pool {
		2577	write_runtime
		2578	or warn "ERROR: unable to write runtime file: $!";
		2579	};
		2580	}
		2581
2496	$WAIT_FOR_TICK->broadcast;	2582	$WAIT_FOR_TICK->broadcast;
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2584
		2585	# my $AFTER = Event::time;
		2586	# warn $AFTER - $NOW;#d#
2498		2587
2499	# if we are delayed by four ticks or more, skip them all	2588	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2590
2502	$TICK_WATCHER->at ($NEXT_TICK);	2591	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2592	$TICK_WATCHER->start;
2504	},	2593	},
2505	);	2594	);
2506		2595
		2596	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	2597	BDB::max_poll_time $TICK * 0.1;
2508		2598	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	2599	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2600	fd => BDB::poll_fileno,
2511	poll => 'r',	2601	poll => 'r',
2512	prio => 5,	2602	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2519	after => 0,	2604	cb => \&BDB::poll_cb,
2520	interval => 10,	2605	);
2521	cb => sub {	2606	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	2607
2523	write_runtime	2608	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	2609	my $status;
		2610	my $current = $Coro::current;
		2611	(
		2612	sub {
		2613	$status = $!;
		2614	$current->ready; undef $current;
		2615	},
		2616	sub {
		2617	Coro::schedule while defined $current;
		2618	$! = $status;
		2619	},
		2620	)
		2621	};
		2622
		2623	unless ($DB_ENV) {
		2624	$DB_ENV = BDB::db_env_create;
		2625
		2626	cf::sync_job {
		2627	eval {
		2628	BDB::db_env_open
		2629	$DB_ENV,
		2630	$BDB_ENV_DIR,
		2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2633	0666;
		2634
		2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2636
		2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2638	$DB_ENV->set_lk_detect;
		2639	};
		2640
		2641	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	2642	};
2526	},	2643	}
2527	);	2644	}
		2645
		2646	{
		2647	IO::AIO::min_parallel 8;
		2648
		2649	undef $Coro::AIO::WATCHER;
		2650	IO::AIO::max_poll_time $TICK * 0.1;
		2651	$AIO_POLL_WATCHER = Event->io (
		2652	reentrant => 0,
		2653	data => WF_AUTOCANCEL,
		2654	fd => IO::AIO::poll_fileno,
		2655	poll => 'r',
		2656	prio => 6,
		2657	cb => \&IO::AIO::poll_cb,
		2658	);
		2659	}
2528		2660
2529	END { cf::emergency_save }	2661	END { cf::emergency_save }
2530		2662
2531	1	2663	1
2532		2664

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