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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 1.219 by root, Sat Feb 17 03:19:44 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
20	use Data::Dumper;	21	use Data::Dumper;
21	use Digest::MD5;	22	use Digest::MD5;
22	use Fcntl;	23	use Fcntl;
23	use IO::AIO 2.32 ();	24	use IO::AIO 2.32 ();
24	use YAML::Syck ();	25	use YAML::Syck ();
25	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26		30
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
28		34
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
31		37
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		39
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35
36	our %COMMAND = ();	40	our %COMMAND = ();
37	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
39		47
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];
…		…
1225	my @logins;	1062	my @logins;
1226		1063
1227	for my $login (@$dirs) {	1064	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1066	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1068
1232	utf8::decode $login;	1069	utf8::decode $login;
1233	push @logins, $login;	1070	push @logins, $login;
1234	}	1071	}
1235		1072
1236	\@logins	1073	\@logins
1237	}	1074	}
1238		1075
1239	=item $player->maps	1076	=item $player->maps
1240		1077
1241	Returns an arrayref of cf::path's of all maps that are private for this	1078	Returns an arrayref of map paths that are private for this
1242	player. May block.	1079	player. May block.
1243		1080
1244	=cut	1081	=cut
1245		1082
1246	sub maps($) {	1083	sub maps($) {
1247	my ($pl) = @_;	1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1087
1249	my $files = aio_readdir playerdir $pl	1088	my $files = aio_readdir playerdir $pl
1250	or return;	1089	or return;
1251		1090
1252	my @paths;	1091	my @paths;
1253		1092
1254	for (@$files) {	1093	for (@$files) {
1255	utf8::decode $_;	1094	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1095	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1096	next unless /^$PATH_SEP/o;
1258		1097
1259	s/$PATH_SEP/\//g;	1098	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1099	}
1262		1100
1263	\@paths	1101	\@paths
1264	}	1102	}
1265		1103
…		…
1291	package cf::map;	1129	package cf::map;
1292		1130
1293	use Fcntl;	1131	use Fcntl;
1294	use Coro::AIO;	1132	use Coro::AIO;
1295		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1296	our $MAX_RESET = 3600;	1138	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1139	our $DEFAULT_RESET = 3000;
1298		1140
1299	sub generate_random_map {	1141	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1144	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1286	}
1317		1287
1318	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1319	# all maps in C++...	1289	# all maps in C++...
1320	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1322		1292
1323	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1325	}	1295	}
1326		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303	}
		1304
1327	sub try_load_header($) {	1305	sub load_header_from($) {
1328	my ($path) = @_;	1306	my ($self, $path) = @_;
1329		1307
1330	utf8::encode $path;	1308	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1309	#aio_open $path, O_RDONLY, 0
		1310	# or return;
		1311
		1312	$self->_load_header ($path)
1332	or return;	1313	or return;
1333		1314
1334	my $map = cf::map::new	1315	$self->{load_path} = $path;
		1316
		1317	1
		1318	}
		1319
		1320	sub load_header_orig {
		1321	my ($self) = @_;
		1322
		1323	$self->load_header_from ($self->load_path)
		1324	}
		1325
		1326	sub load_header_temp {
		1327	my ($self) = @_;
		1328
		1329	$self->load_header_from ($self->save_path)
		1330	}
		1331
		1332	sub prepare_temp {
		1333	my ($self) = @_;
		1334
		1335	$self->last_access ((delete $self->{last_access})
		1336	|| $cf::RUNTIME); #d#
		1337	# safety
		1338	$self->{instantiate_time} = $cf::RUNTIME
		1339	if $self->{instantiate_time} > $cf::RUNTIME;
		1340	}
		1341
		1342	sub prepare_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->{load_original} = 1;
		1346	$self->{instantiate_time} = $cf::RUNTIME;
		1347	$self->last_access ($cf::RUNTIME);
		1348	$self->instantiate;
		1349	}
		1350
		1351	sub load_header {
		1352	my ($self) = @_;
		1353
		1354	if ($self->load_header_temp) {
		1355	$self->prepare_temp;
		1356	} else {
		1357	$self->load_header_orig
1335	or return;	1358	or return;
		1359	$self->prepare_orig;
		1360	}
1336		1361
1337	# for better error messages only, will be overwritten	1362	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1363	}
1347		1364
1348	sub find;	1365	sub find;
1349	sub find {	1366	sub find {
1350	my ($path, $origin) = @_;	1367	my ($path, $origin) = @_;
1351		1368
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1369	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1370
1357	cf::lock_wait "map_find:$key";	1371	cf::lock_wait "map_find:$path";
1358		1372
1359	$cf::MAP{$key} || do {	1373	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1374	my $guard = cf::lock_acquire "map_find:$path";
1361		1375	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;	1376	or return;
1381		1377
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;	1378	$map->{last_save} = $cf::RUNTIME;
1394		1379
1395	Coro::cede;	1380	$map->load_header
		1381	or return;
1396		1382
1397	if ($map->should_reset) {	1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1384	# doing this can freeze the server in a sync job, obviously
		1385	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1386	$map->reset;
1399	undef $guard;	1387	undef $guard;
1400	$map = find $path	1388	return find $path;
1401	or return;
1402	}	1389	}
1403		1390
1404	$cf::MAP{$key} = $map	1391	$cf::MAP{$path} = $map
1405	}	1392	}
1406	}	1393	}
		1394
		1395	sub pre_load { }
		1396	sub post_load { }
1407		1397
1408	sub load {	1398	sub load {
1409	my ($self) = @_;	1399	my ($self) = @_;
1410		1400
		1401	local $self->{deny_reset} = 1; # loading can take a long time
		1402
1411	my $path = $self->{path};	1403	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1404	my $guard = cf::lock_acquire "map_load:$path";
1413		1405
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1406	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1407
1416	$self->in_memory (cf::MAP_LOADING);	1408	$self->in_memory (cf::MAP_LOADING);
1417		1409
1418	$self->alloc;	1410	$self->alloc;
		1411
		1412	$self->pre_load;
		1413
1419	$self->load_objects ($self->{load_path}, 1)	1414	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1415	or return;
1421		1416
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1418	if delete $self->{load_original};
1424		1419
1425	if (my $uniq = $path->uniq_path) {	1420	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1421	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1422	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1423	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1424	$self->_load_objects ($uniq, 0);
1430	}	1425	}
1431	}	1426	}
1432		1427
1433	Coro::cede;	1428	Coro::cede;
1434		1429
1435	# now do the right thing for maps	1430	# now do the right thing for maps
1436	$self->link_multipart_objects;	1431	$self->link_multipart_objects;
1437		1432
1438	if ($self->{path}->is_style_map) {	1433	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1434	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1435	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1436	$self->update_buttons;
		1437	Coro::cede;
1445	$self->set_darkness_map;	1438	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1439	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1440	unless $self->difficulty;
		1441	Coro::cede;
1448	$self->activate;	1442	$self->activate;
1449	}	1443	}
1450		1444
1451	Coro::cede;	1445	$self->post_load;
1452		1446
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1447	$self->in_memory (cf::MAP_IN_MEMORY);
		1448	}
		1449
		1450	sub customise_for {
		1451	my ($self, $ob) = @_;
		1452
		1453	return find "~" . $ob->name . "/" . $self->{path}
		1454	if $self->per_player;
		1455
		1456	$self
		1457	}
		1458
		1459	# find and load all maps in the 3x3 area around a map
		1460	sub load_diag {
		1461	my ($map) = @_;
		1462
		1463	my @diag; # diagonal neighbours
		1464
		1465	for (0 .. 3) {
		1466	my $neigh = $map->tile_path ($_)
		1467	or next;
		1468	$neigh = find $neigh, $map
		1469	or next;
		1470	$neigh->load;
		1471
		1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1474	}
		1475
		1476	for (@diag) {
		1477	my $neigh = find @$_
		1478	or next;
		1479	$neigh->load;
		1480	}
1454	}	1481	}
1455		1482
1456	sub find_sync {	1483	sub find_sync {
1457	my ($path, $origin) = @_;	1484	my ($path, $origin) = @_;
1458		1485
1459	cf::sync_job { cf::map::find $path, $origin }	1486	cf::sync_job { find $path, $origin }
1460	}	1487	}
1461		1488
1462	sub do_load_sync {	1489	sub do_load_sync {
1463	my ($map) = @_;	1490	my ($map) = @_;
1464		1491
1465	cf::sync_job { $map->load };	1492	cf::sync_job { $map->load };
1466	}	1493	}
1467		1494
		1495	our %MAP_PREFETCH;
		1496	our $MAP_PREFETCHER = undef;
		1497
		1498	sub find_async {
		1499	my ($path, $origin) = @_;
		1500
		1501	$path = normalise $path, $origin && $origin->{path};
		1502
		1503	if (my $map = $cf::MAP{$path}) {
		1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1505	}
		1506
		1507	undef $MAP_PREFETCH{$path};
		1508	$MAP_PREFETCHER ||= cf::async {
		1509	while (%MAP_PREFETCH) {
		1510	for my $path (keys %MAP_PREFETCH) {
		1511	my $map = find $path
		1512	or next;
		1513	$map->load;
		1514
		1515	delete $MAP_PREFETCH{$path};
		1516	}
		1517	}
		1518	undef $MAP_PREFETCHER;
		1519	};
		1520	$MAP_PREFETCHER->prio (6);
		1521
		1522	()
		1523	}
		1524
1468	sub save {	1525	sub save {
1469	my ($self) = @_;	1526	my ($self) = @_;
1470		1527
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1528	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1529
1473	$self->{last_save} = $cf::RUNTIME;	1530	$self->{last_save} = $cf::RUNTIME;
1474		1531
1475	return unless $self->dirty;	1532	return unless $self->dirty;
1476		1533
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1534	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1535	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1536
1480	$self->{load_path} = $save;	1537	$self->{load_path} = $save;
1481		1538
1482	return if $self->{deny_save};	1539	return if $self->{deny_save};
1483		1540
…		…
1486	cf::async {	1543	cf::async {
1487	$_->contr->save for $self->players;	1544	$_->contr->save for $self->players;
1488	};	1545	};
1489		1546
1490	if ($uniq) {	1547	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1550	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1552	}
1496	}	1553	}
1497		1554
1498	sub swap_out {	1555	sub swap_out {
1499	my ($self) = @_;	1556	my ($self) = @_;
…		…
1513		1570
1514	sub reset_at {	1571	sub reset_at {
1515	my ($self) = @_;	1572	my ($self) = @_;
1516		1573
1517	# TODO: safety, remove and allow resettable per-player maps	1574	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1576	return 1e99 if $self->{deny_reset};
1520		1577
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1580
…		…
1528	my ($self) = @_;	1585	my ($self) = @_;
1529		1586
1530	$self->reset_at <= $cf::RUNTIME	1587	$self->reset_at <= $cf::RUNTIME
1531	}	1588	}
1532		1589
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 {	1590	sub reset {
1555	my ($self) = @_;	1591	my ($self) = @_;
1556		1592
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1593	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1594
1559	return if $self->players;	1595	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1596	return if $self->isa ("ext::map_per_player");#d#
1561		1597
1562	warn "resetting map ", $self->path;#d#	1598	warn "resetting map ", $self->path;#d#
1563		1599
		1600	$self->in_memory (cf::MAP_SWAPPED);
		1601
		1602	# need to save uniques path
		1603	unless ($self->{deny_save}) {
		1604	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1605
		1606	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1607	if $uniq;
		1608	}
		1609
1564	delete $cf::MAP{$self->path};	1610	delete $cf::MAP{$self->path};
		1611
		1612	$self->clear;
1565		1613
1566	$_->clear_links_to ($self) for values %cf::MAP;	1614	$_->clear_links_to ($self) for values %cf::MAP;
1567		1615
1568	$self->unlink_save;	1616	$self->unlink_save;
1569	$self->destroy;	1617	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1620	my $nuke_counter = "aaaa";
1573		1621
1574	sub nuke {	1622	sub nuke {
1575	my ($self) = @_;	1623	my ($self) = @_;
1576		1624
		1625	delete $cf::MAP{$self->path};
		1626
		1627	$self->unlink_save;
		1628
		1629	bless $self, "cf::map";
		1630	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1631	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1632	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1634
		1635	$cf::MAP{$self->path} = $self;
		1636
1580	$self->reset; # polite request, might not happen	1637	$self->reset; # polite request, might not happen
1581	}	1638	}
1582		1639
1583	sub customise_for {	1640	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1641
1586	if ($map->per_player) {	1642	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1643	instantiated unique items. May block.
1588	}
1589		1644
1590	$map	1645	=cut
1591	}
1592		1646
1593	sub emergency_save {	1647	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1649	or return;
1595		1650
1596	warn "enter emergency perl save\n";	1651	my @paths;
1597		1652
1598	cf::sync_job {	1653	for (@$files) {
1599	warn "begin emergency player save\n";	1654	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1655	next if /\.pst$/;
1601	warn "end emergency player save\n";	1656	next unless /^$PATH_SEP/o;
1602		1657
1603	warn "begin emergency map save\n";	1658	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1659	}
1607		1660
1608	warn "leave emergency perl save\n";	1661	\@paths
1609	}	1662	}
1610		1663
1611	package cf;	1664	package cf;
1612		1665
1613	=back	1666	=back
1614		1667
		1668	=head3 cf::object
		1669
		1670	=cut
		1671
		1672	package cf::object;
		1673
		1674	=over 4
		1675
		1676	=item $ob->inv_recursive
		1677
		1678	Returns the inventory of the object _and_ their inventories, recursively.
		1679
		1680	=cut
		1681
		1682	sub inv_recursive_;
		1683	sub inv_recursive_ {
		1684	map { $_, inv_recursive_ $_->inv } @_
		1685	}
		1686
		1687	sub inv_recursive {
		1688	inv_recursive_ inv $_[0]
		1689	}
		1690
		1691	package cf;
		1692
		1693	=back
1615		1694
1616	=head3 cf::object::player	1695	=head3 cf::object::player
1617		1696
1618	=over 4	1697	=over 4
1619		1698
…		…
1659		1738
1660	=item $player_object->enter_link	1739	=item $player_object->enter_link
1661		1740
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1741	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1742
1664	The player should be reaosnably safe there for short amounts of time. You	1743	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.	1744	I<MUST> call C<leave_link> as soon as possible, though.
1666		1745
		1746	Will never block.
		1747
1667	=item $player_object->leave_link ($map, $x, $y)	1748	=item $player_object->leave_link ($map, $x, $y)
1668		1749
1669	Moves the player out of the specila link map onto the given map. If the	1750	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	1751	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,	1752	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1753	fails, to the emergency map position.
1673		1754
1674	Might block.	1755	Might block.
1675		1756
1676	=cut	1757	=cut
		1758
		1759	sub link_map {
		1760	unless ($LINK_MAP) {
		1761	$LINK_MAP = cf::map::find "{link}"
		1762	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1763	$LINK_MAP->load;
		1764	}
		1765
		1766	$LINK_MAP
		1767	}
1677		1768
1678	sub cf::object::player::enter_link {	1769	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1770	my ($self) = @_;
1680		1771
1681	$self->deactivate_recursive;	1772	$self->deactivate_recursive;
1682		1773
1683	return if $self->map == $LINK_MAP;	1774	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1775
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1777	if $self->map;
1687		1778
1688	$self->enter_map ($LINK_MAP, 20, 20);	1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1780	}
1690		1781
1691	sub cf::object::player::leave_link {	1782	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1783	my ($self, $map, $x, $y) = @_;
1693		1784
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1802	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1803	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1804	if $x <=0 && $y <= 0;
1714		1805
1715	$map->load;	1806	$map->load;
		1807	$map->load_diag;
1716		1808
1717	return unless $self->contr->active;	1809	return unless $self->contr->active;
1718	$self->activate_recursive;	1810	$self->activate_recursive;
		1811
		1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1720	}	1814	}
1721		1815
1722	cf::player->attach (	1816	cf::player->attach (
1723	on_logout => sub {	1817	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1831	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1740	(async {	1834	(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,	1835	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1836	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1837	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1838	cf::NDI_RED);
		1839	# we need this sleep as the login has a concurrent enter_exit running
		1840	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1749	})->prio (2);	1843	})->prio (2);
1750	}	1844	}
1751	},	1845	},
…		…
1756	=cut	1850	=cut
1757		1851
1758	sub cf::object::player::goto {	1852	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1760		1854
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1855	$self->enter_link;
1765		1856
1766	(async {	1857	(async {
		1858	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1769		1861	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1864
1775	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1866	})->prio (1);
1777	}	1867	}
1778		1868
…		…
1782		1872
1783	sub parse_random_map_params {	1873	sub parse_random_map_params {
1784	my ($spec) = @_;	1874	my ($spec) = @_;
1785		1875
1786	my $rmp = { # defaults	1876	my $rmp = { # defaults
1787	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1789	};	1881	};
1790		1882
1791	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1793		1885
…		…
1797	$rmp	1889	$rmp
1798	}	1890	}
1799		1891
1800	sub prepare_random_map {	1892	sub prepare_random_map {
1801	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1896
1803	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1899	# that depends on the exit object
1806		1900
1807	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1808		1902
1809	if ($exit->map) {	1903	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1814	}	1908	}
1815		1909
1816	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1817		1911
1818	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1915
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1823		1920
1824	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1922	$exit->msg (undef);
1826	}	1923	}
1827	}	1924	}
1828		1925
1829	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1831		1928
1832	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
1833		1939
1834	$self->enter_link;	1940	$self->enter_link;
1835		1941
1836	(async {	1942	(async {
1837	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1944	unless (eval {
1839	prepare_random_map $exit	1945	$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		1946
1845	1;	1947	1;
1846	}) {	1948	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1953
1852	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1955	$self->leave_link;
1854	}	1956	}
…		…
1909	# get handled first	2011	# get handled first
1910	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2014
1913	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2017
1915	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1916		2019
1917	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2021	if (@$queue) {
…		…
2079	The parameter C<$family> should best start with the name of the extension	2182	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2183	using it, it should be unique.
2081		2184
2082	=over 4	2185	=over 4
2083		2186
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	2187	=item $value = cf::db_get $family => $key
2091		2188
2092	Returns a single value from the database	2189	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		2190
2099	=item cf::db_put $family => $key => $value	2191	=item cf::db_put $family => $key => $value
2100		2192
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2193	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		2194
2112	=cut	2195	=cut
2113		2196
2114	our $DB;	2197	our $DB;
2115		2198
2116	{	2199	sub db_init {
		2200	unless ($DB) {
		2201	$DB = BDB::db_create $DB_ENV;
		2202
		2203	cf::sync_job {
		2204	eval {
		2205	$DB->set_flags (BDB::CHKSUM);
		2206
		2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2209	cf::cleanup "db_open(db): $!" if $!;
		2210	};
		2211	cf::cleanup "db_open(db): $@" if $@;
		2212	};
		2213
2117	my $path = cf::localdir . "/database.pst";	2214	my $path = cf::localdir . "/database.pst";
		2215	if (stat $path) {
		2216	cf::sync_job {
		2217	my $pst = Storable::retrieve $path;
2118		2218
2119	sub db_load() {	2219	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2220	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2221	cf::db_put (rent => balance => $pst->{rent}{balance});
		2222	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2223
2123	my $pid;	2224	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	}	2225	};
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	},	2226	}
2171	);	2227	}
		2228	}
		2229
		2230	sub db_get($$) {
		2231	my $key = "$_[0]/$_[1]";
		2232
		2233	cf::sync_job {
		2234	BDB::db_get $DB, undef, $key, my $data;
		2235
		2236	$! ? ()
		2237	: Compress::LZF::sthaw $data
		2238	}
		2239	}
		2240
		2241	sub db_put($$$) {
		2242	BDB::dbreq_pri 4;
		2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2172	}	2244	}
2173		2245
2174	#############################################################################	2246	#############################################################################
2175	# the server's main()	2247	# the server's init and main functions
		2248
		2249	sub init_resources {
		2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2251	or die "unable to load regions file\n";#d#
		2252	}
2176		2253
2177	sub cfg_load {	2254	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2255	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2256	or return;
2180		2257
…		…
2193	};	2270	};
2194	warn $@ if $@;	2271	warn $@ if $@;
2195	}	2272	}
2196	}	2273	}
2197		2274
		2275	sub init {
		2276	init_resources;
		2277	}
		2278
2198	sub main {	2279	sub main {
2199	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2283	(async {
2202	async { Event::one_event };	2284	Event::one_event;
		2285	})->prio (Coro::PRIO_MAX);
2203	};	2286	};
2204		2287
2205	cfg_load;	2288	cfg_load;
2206	db_load;	2289	db_init;
2207	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2208	Event::loop;	2293	Event::loop;
2209	}	2294	}
2210		2295
2211	#############################################################################	2296	#############################################################################
2212	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338
		2339	warn "begin emergency database checkpoint\n";
		2340	BDB::db_env_txn_checkpoint $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
		2346
		2347	sub post_cleanup {
		2348	my ($make_core) = @_;
		2349
		2350	warn Carp::longmess "post_cleanup backtrace"
		2351	if $make_core;
		2352	}
2213		2353
2214	sub reload() {	2354	sub reload() {
2215	# can/must only be called in main	2355	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2356	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2357	warn "can only reload from main coroutine";
2218	return;	2358	return;
2219	}	2359	}
2220		2360
2221	warn "reloading...";	2361	warn "reloading...";
2222		2362
2223	my $guard = freeze_mainloop;	2363	warn "entering sync_job";
		2364
		2365	cf::sync_job {
		2366	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2367	cf::emergency_save;
		2368	cf::write_runtime; # external watchdog should not bark
2225		2369
2226	eval {	2370	warn "syncing database to disk";
		2371	BDB::db_env_txn_checkpoint $DB_ENV;
		2372
2227	# if anything goes wrong in here, we should simply crash as we already saved	2373	# if anything goes wrong in here, we should simply crash as we already saved
2228		2374
2229	# cancel all watchers	2375	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2376	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2378	}
2233		2379
		2380	warn "flushing outstanding aio requests";
		2381	for (;;) {
		2382	BDB::flush;
		2383	IO::AIO::flush;
		2384	Coro::cede;
		2385	last unless IO::AIO::nreqs || BDB::nreqs;
		2386	warn "iterate...";
		2387	}
		2388
2234	# cancel all extension coros	2389	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2390	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2391	%EXT_CORO = ();
2237		2392
2238	# unload all extensions	2393	warn "removing commands";
2239	for (@exts) {	2394	%COMMAND = ();
		2395
		2396	warn "removing ext commands";
		2397	%EXTCMD = ();
		2398
		2399	warn "unloading/nuking all extensions";
		2400	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2401	warn "... unloading $pkg";
2241	unload_extension $_;	2402
		2403	if (my $cb = $pkg->can ("unload")) {
		2404	eval {
		2405	$cb->($pkg);
		2406	1
		2407	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2408	}
2243		2409
		2410	warn "... nuking $pkg";
		2411	Symbol::delete_package $pkg;
		2412	}
		2413
2244	# unload all modules loaded from $LIBDIR	2414	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2415	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2417
2248	warn "removing <$k>";	2418	warn "... unloading $k";
2249	delete $INC{$k};	2419	delete $INC{$k};
2250		2420
2251	$k =~ s/\.pm$//;	2421	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2422	$k =~ s/\//::/g;
2253		2423
…		…
2256	}	2426	}
2257		2427
2258	Symbol::delete_package $k;	2428	Symbol::delete_package $k;
2259	}	2429	}
2260		2430
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2431	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2432	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2434
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2435	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2436	delete $INC{"cf.pm"};
2274		2437
2275	# don't, removes xs symbols, too,	2438	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2439	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2440	#Symbol::delete_package __PACKAGE__;
2278		2441
2279	# reload cf.pm	2442	warn "unload completed, starting to reload now";
		2443
2280	warn "reloading cf.pm";	2444	warn "reloading cf.pm";
2281	require cf;	2445	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2447
2284	# load config and database again	2448	warn "loading config and database again";
2285	cf::cfg_load;	2449	cf::cfg_load;
2286	cf::db_load;
2287		2450
2288	# load extensions
2289	warn "load extensions";	2451	warn "loading extensions";
2290	cf::load_extensions;	2452	cf::load_extensions;
2291		2453
2292	# reattach attachments to objects	2454	warn "reattaching attachments to objects/players";
2293	warn "reattach";
2294	_global_reattach;	2455	_global_reattach;
		2456	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2457	reattach $_ for values %MAP;
2296	};
2297		2458
2298	if ($@) {	2459	warn "loading reloadable resources";
		2460	init_resources;
		2461
		2462	warn "leaving sync_job";
		2463
		2464	1
		2465	} or do {
2299	warn $@;	2466	warn $@;
2300	warn "error while reloading, exiting.";	2467	warn "error while reloading, exiting.";
2301	exit 1;	2468	exit 1;
2302	}	2469	};
2303		2470
2304	warn "reloaded successfully";	2471	warn "reloaded";
2305	};	2472	};
2306		2473
2307	#############################################################################	2474	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} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2475
2352	register_command "reload" => sub {	2476	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2477	my ($who, $arg) = @_;
2354		2478
2355	if ($who->flag (FLAG_WIZ)) {	2479	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2480	$who->message ("reloading server.");
		2481
		2482	# doing reload synchronously and two reloads happen back-to-back,
		2483	# coro crashes during coro_state_free->destroy here.
		2484
		2485	$RELOAD_WATCHER ||= Event->timer (
		2486	reentrant => 0,
		2487	after => 0,
		2488	data => WF_AUTOCANCEL,
		2489	cb => sub {
2357	reload;	2490	reload;
2358	$who->message ("end of reload.");	2491	undef $RELOAD_WATCHER;
		2492	},
		2493	);
2359	}	2494	}
2360	};	2495	};
2361		2496
2362	unshift @INC, $LIBDIR;	2497	unshift @INC, $LIBDIR;
		2498
		2499	my $bug_warning = 0;
2363		2500
2364	$TICK_WATCHER = Event->timer (	2501	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2502	reentrant => 0,
		2503	parked => 1,
2366	prio => 0,	2504	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2505	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2506	data => WF_AUTOCANCEL,
2369	cb => sub {	2507	cb => sub {
		2508	if ($Coro::current != $Coro::main) {
		2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2510	unless ++$bug_warning > 10;
		2511	return;
		2512	}
		2513
		2514	$NOW = Event::time;
		2515
2370	cf::server_tick; # one server iteration	2516	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2517	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2518	$NEXT_TICK += $TICK;
		2519
		2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2521	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2522	Coro::async_pool {
		2523	write_runtime
		2524	or warn "ERROR: unable to write runtime file: $!";
		2525	};
		2526	}
		2527
		2528	$WAIT_FOR_TICK->broadcast;
		2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2530
		2531	# my $AFTER = Event::time;
		2532	# warn $AFTER - $NOW;#d#
2373		2533
2374	# if we are delayed by four ticks or more, skip them all	2534	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2536
2377	$TICK_WATCHER->at ($NEXT_TICK);	2537	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2538	$TICK_WATCHER->start;
2379	},	2539	},
2380	);	2540	);
2381		2541
		2542	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2543	BDB::max_poll_time $TICK * 0.1;
2383		2544	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2545	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2546	fd => BDB::poll_fileno,
2386	poll => 'r',	2547	poll => 'r',
2387	prio => 5,	2548	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2549	data => WF_AUTOCANCEL,
2394	after => 0,	2550	cb => \&BDB::poll_cb,
2395	interval => 10,	2551	);
2396	cb => sub {	2552	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2553
2398	write_runtime	2554	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2555	my $status;
		2556	my $current = $Coro::current;
		2557	(
		2558	sub {
		2559	$status = $!;
		2560	$current->ready; undef $current;
		2561	},
		2562	sub {
		2563	Coro::schedule while defined $current;
		2564	$! = $status;
		2565	},
		2566	)
		2567	};
		2568
		2569	unless ($DB_ENV) {
		2570	$DB_ENV = BDB::db_env_create;
		2571
		2572	cf::sync_job {
		2573	eval {
		2574	BDB::db_env_open
		2575	$DB_ENV,
		2576	$BDB_ENV_DIR,
		2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2579	0666;
		2580
		2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2582
		2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2584	$DB_ENV->set_lk_detect;
		2585	};
		2586
		2587	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2588	};
2401	},	2589	}
2402	);	2590	}
		2591
		2592	{
		2593	IO::AIO::min_parallel 8;
		2594
		2595	undef $Coro::AIO::WATCHER;
		2596	IO::AIO::max_poll_time $TICK * 0.1;
		2597	$AIO_POLL_WATCHER = Event->io (
		2598	reentrant => 0,
		2599	data => WF_AUTOCANCEL,
		2600	fd => IO::AIO::poll_fileno,
		2601	poll => 'r',
		2602	prio => 6,
		2603	cb => \&IO::AIO::poll_cb,
		2604	);
		2605	}
2403		2606
2404	END { cf::emergency_save }	2607	END { cf::emergency_save }
2405		2608
2406	1	2609	1
2407		2610

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