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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 1.208 by root, Mon Feb 12 00:27:20 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 $WRITE_RUNTIME_WATCHER;
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	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
253	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
254	$guard	282	$guard
255	}	283	}
256		284
257	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
…		…
309	}	337	}
310	}	338	}
311		339
312	=item $coro = cf::async_ext { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
313		341
314	Like async, but this coro is automcatially being canceled when the	342	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	343	extension calling this is being unloaded.
316		344
317	=cut	345	=cut
318		346
319	sub async_ext(&) {	347	sub async_ext(&) {
…		…
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";
…		…
869	}	787	}
870	} else {	788	} else {
871	aio_unlink $filename;	789	aio_unlink $filename;
872	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
873	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
874	}	798	}
875	}	799	}
876		800
877	sub object_freezer_as_string {	801	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
884		808
885	sub object_thawer_load {	809	sub object_thawer_load {
886	my ($filename) = @_;	810	my ($filename) = @_;
887		811
888	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
889		816
890	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
891	or return;	818	or return;
892		819
893	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
930	=cut	857	=cut
931		858
932	sub register_extcmd {	859	sub register_extcmd {
933	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
934		861
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
939	}	863	}
940		864
941	cf::player->attach (	865	cf::player->attach (
942	on_command => sub {	866	on_command => sub {
943	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
956		880
957	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
958		882
959	if (ref $msg) {	883	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	887	}
964	}	888	}
965	} else {	889	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		892
969	cf::override;	893	cf::override;
970	},	894	},
971	);	895	);
972		896
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	897	sub load_extension {
980	my ($path) = @_;	898	my ($path) = @_;
981		899
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	901	my $base = $1;
984	my $pkg = $1;	902	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
987		905
988	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
989		907
990	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
991	or die "$path: $!";	909	or die "$path: $!";
992		910
993	my $source =	911	my $source =
994	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
997	. "\n};\n1";	915	. "\n};\n1";
998		916
999	eval $source	917	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	919	: "extension disabled.\n";
1002		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	921	warn $@;
1004	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
1005		923	exit 1;
1006	# no strict 'refs';	924	}
1007	# @{"$pkg\::ISA"} = ext::;	925	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	# }	926	}
1022		927
1023	# remove commands	928	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	}	929	}
1048		930
1049	sub load_extensions {	931	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	933	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1056	}	938	}
1057	}	939	}
1058		940
1059	#############################################################################	941	#############################################################################
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		942
1097	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1098		944
1099	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1100		946
…		…
1136		982
1137	sub exists($) {	983	sub exists($) {
1138	my ($login) = @_;	984	my ($login) = @_;
1139		985
1140	$cf::PLAYER{$login}	986	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	987	or cf::sync_job { !aio_stat path $login }
1142	}	988	}
1143		989
1144	sub find($) {	990	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	991	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	992	my $login = $_[0];
…		…
1225	my @logins;	1071	my @logins;
1226		1072
1227	for my $login (@$dirs) {	1073	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1075	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1077
1232	utf8::decode $login;	1078	utf8::decode $login;
1233	push @logins, $login;	1079	push @logins, $login;
1234	}	1080	}
1235		1081
1236	\@logins	1082	\@logins
1237	}	1083	}
1238		1084
1239	=item $player->maps	1085	=item $player->maps
1240		1086
1241	Returns an arrayref of cf::path's of all maps that are private for this	1087	Returns an arrayref of map paths that are private for this
1242	player. May block.	1088	player. May block.
1243		1089
1244	=cut	1090	=cut
1245		1091
1246	sub maps($) {	1092	sub maps($) {
1247	my ($pl) = @_;	1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1096
1249	my $files = aio_readdir playerdir $pl	1097	my $files = aio_readdir playerdir $pl
1250	or return;	1098	or return;
1251		1099
1252	my @paths;	1100	my @paths;
1253		1101
1254	for (@$files) {	1102	for (@$files) {
1255	utf8::decode $_;	1103	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1104	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1105	next unless /^$PATH_SEP/o;
1258		1106
1259	s/$PATH_SEP/\//g;	1107	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1108	}
1262		1109
1263	\@paths	1110	\@paths
1264	}	1111	}
1265		1112
…		…
1291	package cf::map;	1138	package cf::map;
1292		1139
1293	use Fcntl;	1140	use Fcntl;
1294	use Coro::AIO;	1141	use Coro::AIO;
1295		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1296	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1298		1149
1299	sub generate_random_map {	1150	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1153	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1295	}
1317		1296
1318	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1319	# all maps in C++...	1298	# all maps in C++...
1320	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1322		1301
1323	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1325	}	1304	}
1326		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1327	sub try_load_header($) {	1319	sub load_header_from($) {
1328	my ($path) = @_;	1320	my ($self, $path) = @_;
1329		1321
1330	utf8::encode $path;	1322	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1332	or return;	1327	or return;
1333		1328
1334	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1335	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1336		1375
1337	# for better error messages only, will be overwritten	1376	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1377	}
1347		1378
1348	sub find;	1379	sub find;
1349	sub find {	1380	sub find {
1350	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1351		1382
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1384
1357	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1358		1386
1359	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1361		1389	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;	1390	or return;
1381		1391
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;	1392	$map->{last_save} = $cf::RUNTIME;
1394		1393
1395	Coro::cede;	1394	$map->load_header
		1395	or return;
1396		1396
1397	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1400	$map->reset;
1399	undef $guard;	1401	undef $guard;
1400	$map = find $path	1402	return find $path;
1401	or return;
1402	}	1403	}
1403		1404
1404	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1405	}	1406	}
1406	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1407		1411
1408	sub load {	1412	sub load {
1409	my ($self) = @_;	1413	my ($self) = @_;
1410		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1411	my $path = $self->{path};	1417	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1413		1419
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1421
1416	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1417		1423
1418	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1419	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1429	or return;
1421		1430
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1432	if delete $self->{load_original};
1424		1433
1425	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1435	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1437	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1430	}	1439	}
1431	}	1440	}
1432		1441
1433	Coro::cede;	1442	Coro::cede;
1434		1443
1435	# now do the right thing for maps	1444	# now do the right thing for maps
1436	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1437		1446
1438	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1448	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1445	$self->set_darkness_map;	1452	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1448	$self->activate;	1456	$self->activate;
1449	}	1457	}
1450		1458
1451	Coro::cede;	1459	$self->post_load;
1452		1460
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1454	}	1495	}
1455		1496
1456	sub find_sync {	1497	sub find_sync {
1457	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1458		1499
1459	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1460	}	1501	}
1461		1502
1462	sub do_load_sync {	1503	sub do_load_sync {
1463	my ($map) = @_;	1504	my ($map) = @_;
1464		1505
1465	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1466	}	1507	}
1467		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1468	sub save {	1539	sub save {
1469	my ($self) = @_;	1540	my ($self) = @_;
1470		1541
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1543
1473	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1474		1545
1475	return unless $self->dirty;	1546	return unless $self->dirty;
1476		1547
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1550
1480	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1481		1552
1482	return if $self->{deny_save};	1553	return if $self->{deny_save};
1483		1554
…		…
1486	cf::async {	1557	cf::async {
1487	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1488	};	1559	};
1489		1560
1490	if ($uniq) {	1561	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1564	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1566	}
1496	}	1567	}
1497		1568
1498	sub swap_out {	1569	sub swap_out {
1499	my ($self) = @_;	1570	my ($self) = @_;
…		…
1513		1584
1514	sub reset_at {	1585	sub reset_at {
1515	my ($self) = @_;	1586	my ($self) = @_;
1516		1587
1517	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1520		1591
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1594
…		…
1528	my ($self) = @_;	1599	my ($self) = @_;
1529		1600
1530	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1531	}	1602	}
1532		1603
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 {	1604	sub reset {
1555	my ($self) = @_;	1605	my ($self) = @_;
1556		1606
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1608
1559	return if $self->players;	1609	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1561		1611
1562	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1563		1613
1564	delete $cf::MAP{$self->path};	1614	delete $cf::MAP{$self->path};
		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617	$self->clear;
1565		1618
1566	$_->clear_links_to ($self) for values %cf::MAP;	1619	$_->clear_links_to ($self) for values %cf::MAP;
1567		1620
1568	$self->unlink_save;	1621	$self->unlink_save;
1569	$self->destroy;	1622	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1625	my $nuke_counter = "aaaa";
1573		1626
1574	sub nuke {	1627	sub nuke {
1575	my ($self) = @_;	1628	my ($self) = @_;
1576		1629
		1630	delete $cf::MAP{$self->path};
		1631
		1632	$self->unlink_save;
		1633
		1634	bless $self, "cf::map";
		1635	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1636	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1637	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1639
		1640	$cf::MAP{$self->path} = $self;
		1641
1580	$self->reset; # polite request, might not happen	1642	$self->reset; # polite request, might not happen
1581	}	1643	}
1582		1644
1583	sub customise_for {	1645	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1646
1586	if ($map->per_player) {	1647	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1648	instantiated unique items. May block.
1588	}
1589		1649
1590	$map	1650	=cut
1591	}
1592		1651
1593	sub emergency_save {	1652	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1654	or return;
1595		1655
1596	warn "enter emergency perl save\n";	1656	my @paths;
1597		1657
1598	cf::sync_job {	1658	for (@$files) {
1599	warn "begin emergency player save\n";	1659	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1660	next if /\.pst$/;
1601	warn "end emergency player save\n";	1661	next unless /^$PATH_SEP/o;
1602		1662
1603	warn "begin emergency map save\n";	1663	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1664	}
1607		1665
1608	warn "leave emergency perl save\n";	1666	\@paths
1609	}	1667	}
1610		1668
1611	package cf;	1669	package cf;
1612		1670
1613	=back	1671	=back
1614		1672
		1673	=head3 cf::object
		1674
		1675	=cut
		1676
		1677	package cf::object;
		1678
		1679	=over 4
		1680
		1681	=item $ob->inv_recursive
		1682
		1683	Returns the inventory of the object _and_ their inventories, recursively.
		1684
		1685	=cut
		1686
		1687	sub inv_recursive_;
		1688	sub inv_recursive_ {
		1689	map { $_, inv_recursive_ $_->inv } @_
		1690	}
		1691
		1692	sub inv_recursive {
		1693	inv_recursive_ inv $_[0]
		1694	}
		1695
		1696	package cf;
		1697
		1698	=back
1615		1699
1616	=head3 cf::object::player	1700	=head3 cf::object::player
1617		1701
1618	=over 4	1702	=over 4
1619		1703
…		…
1659		1743
1660	=item $player_object->enter_link	1744	=item $player_object->enter_link
1661		1745
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1746	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1747
1664	The player should be reaosnably safe there for short amounts of time. You	1748	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.	1749	I<MUST> call C<leave_link> as soon as possible, though.
1666		1750
		1751	Will never block.
		1752
1667	=item $player_object->leave_link ($map, $x, $y)	1753	=item $player_object->leave_link ($map, $x, $y)
1668		1754
1669	Moves the player out of the specila link map onto the given map. If the	1755	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	1756	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,	1757	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1758	fails, to the emergency map position.
1673		1759
1674	Might block.	1760	Might block.
1675		1761
1676	=cut	1762	=cut
		1763
		1764	sub link_map {
		1765	unless ($LINK_MAP) {
		1766	$LINK_MAP = cf::map::find "{link}"
		1767	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1768	$LINK_MAP->load;
		1769	}
		1770
		1771	$LINK_MAP
		1772	}
1677		1773
1678	sub cf::object::player::enter_link {	1774	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1775	my ($self) = @_;
1680		1776
1681	$self->deactivate_recursive;	1777	$self->deactivate_recursive;
1682		1778
1683	return if $self->map == $LINK_MAP;	1779	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1780
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1782	if $self->map;
1687		1783
1688	$self->enter_map ($LINK_MAP, 20, 20);	1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1785	}
1690		1786
1691	sub cf::object::player::leave_link {	1787	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1788	my ($self, $map, $x, $y) = @_;
1693		1789
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1807	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1808	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1809	if $x <=0 && $y <= 0;
1714		1810
1715	$map->load;	1811	$map->load;
		1812	$map->load_diag;
1716		1813
1717	return unless $self->contr->active;	1814	return unless $self->contr->active;
1718	$self->activate_recursive;	1815	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);	1816	$self->enter_map ($map, $x, $y);
1720	}	1817	}
…		…
1756	=cut	1853	=cut
1757		1854
1758	sub cf::object::player::goto {	1855	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1856	my ($self, $path, $x, $y) = @_;
1760		1857
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1858	$self->enter_link;
1765		1859
1766	(async {	1860	(async {
		1861	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1862	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1863	$map = $map->customise_for ($self) if $map;
1769		1864	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1865	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1867
1775	$self->leave_link ($map, $x, $y);	1868	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1869	})->prio (1);
1777	}	1870	}
1778		1871
…		…
1782		1875
1783	sub parse_random_map_params {	1876	sub parse_random_map_params {
1784	my ($spec) = @_;	1877	my ($spec) = @_;
1785		1878
1786	my $rmp = { # defaults	1879	my $rmp = { # defaults
1787	xsize => 10,	1880	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1881	ysize => (cf::rndm 15, 40),
		1882	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1883	#layout => string,
1789	};	1884	};
1790		1885
1791	for (split /\n/, $spec) {	1886	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1887	my ($k, $v) = split /\s+/, $_, 2;
1793		1888
…		…
1797	$rmp	1892	$rmp
1798	}	1893	}
1799		1894
1800	sub prepare_random_map {	1895	sub prepare_random_map {
1801	my ($exit) = @_;	1896	my ($exit) = @_;
		1897
		1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1899
1803	# all this does is basically replace the /! path by	1900	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1901	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1902	# that depends on the exit object
1806		1903
1807	my $rmp = parse_random_map_params $exit->msg;	1904	my $rmp = parse_random_map_params $exit->msg;
1808		1905
1809	if ($exit->map) {	1906	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1907	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1908	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1909	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1910	$rmp->{origin_y} = $exit->y;
1814	}	1911	}
1815		1912
1816	$rmp->{random_seed} ||= $exit->random_seed;	1913	$rmp->{random_seed} ||= $exit->random_seed;
1817		1914
1818	my $data = cf::to_json $rmp;	1915	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1916	my $md5 = Digest::MD5::md5_hex $data;
		1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1918
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1920	aio_write $fh, 0, (length $data), $data, 0;
		1921	undef $fh;
		1922	aio_rename "$meta~", $meta;
1823		1923
1824	$exit->slaying ("?random/$md5");	1924	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1925	$exit->msg (undef);
1826	}	1926	}
1827	}	1927	}
1828		1928
1829	sub cf::object::player::enter_exit {	1929	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1930	my ($self, $exit) = @_;
1831		1931
1832	return unless $self->type == cf::PLAYER;	1932	return unless $self->type == cf::PLAYER;
		1933
		1934	if ($exit->slaying eq "/!") {
		1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1936	cf::sync_job { prepare_random_map $exit };
		1937	}
		1938
		1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1940	my $hp = $exit->stats->hp;
		1941	my $sp = $exit->stats->sp;
1833		1942
1834	$self->enter_link;	1943	$self->enter_link;
1835		1944
1836	(async {	1945	(async {
1837	$self->deactivate_recursive; # just to be sure	1946	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1947	unless (eval {
1839	prepare_random_map $exit	1948	$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		1949
1845	1;	1950	1;
1846	}) {	1951	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1952	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1953	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1954	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1955	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1956
1852	warn "ERROR in enter_exit: $@";	1957	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1958	$self->leave_link;
1854	}	1959	}
…		…
1909	# get handled first	2014	# get handled first
1910	my $queue = delete $ns->{query_queue}	2015	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2016	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2017
1913	(shift @$queue)->[1]->($msg);	2018	(shift @$queue)->[1]->($msg);
		2019	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2020
1915	push @{ $ns->{query_queue} }, @$queue;	2021	push @{ $ns->{query_queue} }, @$queue;
1916		2022
1917	if (@{ $ns->{query_queue} } == @$queue) {	2023	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2024	if (@$queue) {
…		…
2079	The parameter C<$family> should best start with the name of the extension	2185	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2186	using it, it should be unique.
2081		2187
2082	=over 4	2188	=over 4
2083		2189
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	2190	=item $value = cf::db_get $family => $key
2091		2191
2092	Returns a single value from the database	2192	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		2193
2099	=item cf::db_put $family => $key => $value	2194	=item cf::db_put $family => $key => $value
2100		2195
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2196	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		2197
2112	=cut	2198	=cut
2113		2199
2114	our $DB;	2200	our $DB;
2115		2201
2116	{	2202	sub db_load() {
		2203	unless ($DB) {
		2204	$DB = BDB::db_create $DB_ENV;
		2205
		2206	cf::sync_job {
		2207	eval {
		2208	$DB->set_flags (BDB::CHKSUM);
		2209
		2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2212	cf::cleanup "db_open(db): $!" if $!;
		2213	};
		2214	cf::cleanup "db_open(db): $@" if $@;
		2215	};
		2216
2117	my $path = cf::localdir . "/database.pst";	2217	my $path = cf::localdir . "/database.pst";
		2218	if (stat $path) {
		2219	cf::sync_job {
		2220	my $pst = Storable::retrieve $path;
2118		2221
2119	sub db_load() {	2222	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2223	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2224	cf::db_put (rent => balance => $pst->{rent}{balance});
		2225	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2226
2123	my $pid;	2227	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	}	2228	};
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	},	2229	}
2171	);	2230	}
		2231	}
		2232
		2233	sub db_get($$) {
		2234	my $key = "$_[0]/$_[1]";
		2235
		2236	cf::sync_job {
		2237	BDB::db_get $DB, undef, $key, my $data;
		2238
		2239	$! ? ()
		2240	: Compress::LZF::sthaw $data
		2241	}
		2242	}
		2243
		2244	sub db_put($$$) {
		2245	BDB::dbreq_pri 4;
		2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2172	}	2247	}
2173		2248
2174	#############################################################################	2249	#############################################################################
2175	# the server's main()	2250	# the server's init and main functions
		2251
		2252	sub load_resources {
		2253	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2254	or die "unable to load regions file\n";#d#
		2255	}
2176		2256
2177	sub cfg_load {	2257	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2258	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2259	or return;
2180		2260
…		…
2193	};	2273	};
2194	warn $@ if $@;	2274	warn $@ if $@;
2195	}	2275	}
2196	}	2276	}
2197		2277
		2278	sub init {
		2279	load_resources;
		2280	}
		2281
2198	sub main {	2282	sub main {
2199	# we must not ever block the main coroutine	2283	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2284	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2285	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2286	(async {
2202	async { Event::one_event };	2287	Event::one_event;
		2288	})->prio (Coro::PRIO_MAX);
2203	};	2289	};
2204		2290
2205	cfg_load;	2291	cfg_load;
2206	db_load;	2292	db_load;
2207	load_extensions;	2293	load_extensions;
		2294
		2295	$TICK_WATCHER->start;
2208	Event::loop;	2296	Event::loop;
2209	}	2297	}
2210		2298
2211	#############################################################################	2299	#############################################################################
2212	# initialisation	2300	# initialisation and cleanup
		2301
		2302	# install some emergency cleanup handlers
		2303	BEGIN {
		2304	for my $signal (qw(INT HUP TERM)) {
		2305	Event->signal (
		2306	reentrant => 0,
		2307	data => WF_AUTOCANCEL,
		2308	signal => $signal,
		2309	prio => 0,
		2310	cb => sub {
		2311	cf::cleanup "SIG$signal";
		2312	},
		2313	);
		2314	}
		2315	}
		2316
		2317	sub emergency_save() {
		2318	my $freeze_guard = cf::freeze_mainloop;
		2319
		2320	warn "enter emergency perl save\n";
		2321
		2322	cf::sync_job {
		2323	# use a peculiar iteration method to avoid tripping on perl
		2324	# refcount bugs in for. also avoids problems with players
		2325	# and maps saved/destroyed asynchronously.
		2326	warn "begin emergency player save\n";
		2327	for my $login (keys %cf::PLAYER) {
		2328	my $pl = $cf::PLAYER{$login} or next;
		2329	$pl->valid or next;
		2330	$pl->save;
		2331	}
		2332	warn "end emergency player save\n";
		2333
		2334	warn "begin emergency map save\n";
		2335	for my $path (keys %cf::MAP) {
		2336	my $map = $cf::MAP{$path} or next;
		2337	$map->valid or next;
		2338	$map->save;
		2339	}
		2340	warn "end emergency map save\n";
		2341
		2342	warn "begin emergency database checkpoint\n";
		2343	BDB::db_env_txn_checkpoint $DB_ENV;
		2344	warn "end emergency database checkpoint\n";
		2345	};
		2346
		2347	warn "leave emergency perl save\n";
		2348	}
2213		2349
2214	sub reload() {	2350	sub reload() {
2215	# can/must only be called in main	2351	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2352	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2353	warn "can only reload from main coroutine";
2218	return;	2354	return;
2219	}	2355	}
2220		2356
2221	warn "reloading...";	2357	warn "reloading...";
2222		2358
2223	my $guard = freeze_mainloop;	2359	warn "cancelling server ticker";
		2360	$TICK_WATCHER->cancel;
		2361
2224	cf::emergency_save;	2362	cf::emergency_save;
2225		2363
2226	eval {	2364	eval {
2227	# if anything goes wrong in here, we should simply crash as we already saved	2365	# if anything goes wrong in here, we should simply crash as we already saved
2228		2366
2229	# cancel all watchers	2367	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2368	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2369	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2370	}
2233		2371
		2372	warn "syncing database to disk";
		2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2374
		2375	warn "flushing outstanding aio requests";
		2376	for (;;) {
		2377	BDB::flush;
		2378	IO::AIO::flush;
		2379	Coro::cede;
		2380	last unless IO::AIO::nreqs || BDB::nreqs;
		2381	warn "iterate...";
		2382	}
		2383
2234	# cancel all extension coros	2384	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2385	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2386	%EXT_CORO = ();
2237		2387
2238	# unload all extensions	2388	warn "removing commands";
2239	for (@exts) {	2389	%COMMAND = ();
		2390
		2391	warn "removing ext commands";
		2392	%EXTCMD = ();
		2393
		2394	warn "unloading/nuking all extensions";
		2395	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2396	warn "... unloading $pkg";
2241	unload_extension $_;	2397
		2398	if (my $cb = $pkg->can ("unload")) {
		2399	eval {
		2400	$cb->($pkg);
		2401	1
		2402	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2403	}
2243		2404
		2405	warn "... nuking $pkg";
		2406	Symbol::delete_package $pkg;
		2407	}
		2408
2244	# unload all modules loaded from $LIBDIR	2409	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2410	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2411	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2412
2248	warn "removing <$k>";	2413	warn "... unloading $k";
2249	delete $INC{$k};	2414	delete $INC{$k};
2250		2415
2251	$k =~ s/\.pm$//;	2416	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2417	$k =~ s/\//::/g;
2253		2418
…		…
2256	}	2421	}
2257		2422
2258	Symbol::delete_package $k;	2423	Symbol::delete_package $k;
2259	}	2424	}
2260		2425
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2426	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2427	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2428	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2429
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2430	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2431	delete $INC{"cf.pm"};
2274		2432
2275	# don't, removes xs symbols, too,	2433	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2434	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2435	#Symbol::delete_package __PACKAGE__;
2278		2436
2279	# reload cf.pm	2437	warn "unload completed, starting to reload now";
		2438
2280	warn "reloading cf.pm";	2439	warn "reloading cf.pm";
2281	require cf;	2440	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2442
2284	# load config and database again	2443	warn "loading config and database again";
2285	cf::cfg_load;	2444	cf::cfg_load;
2286	cf::db_load;	2445	cf::db_load;
2287		2446
2288	# load extensions
2289	warn "load extensions";	2447	warn "loading extensions";
2290	cf::load_extensions;	2448	cf::load_extensions;
2291		2449
2292	# reattach attachments to objects	2450	warn "reattaching attachments to objects/players";
2293	warn "reattach";
2294	_global_reattach;	2451	_global_reattach;
		2452	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2453	reattach $_ for values %MAP;
		2454
		2455	warn "loading reloadable resources";
		2456	load_resources;
		2457
		2458	warn "restarting server ticker";
		2459
		2460	$TICK_WATCHER->start;
2296	};	2461	};
2297		2462
2298	if ($@) {	2463	if ($@) {
2299	warn $@;	2464	warn $@;
2300	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2301	exit 1;	2466	exit 1;
2302	}	2467	}
2303		2468
2304	warn "reloaded successfully";	2469	warn "reloaded";
2305	};	2470	};
2306		2471
2307	#############################################################################	2472	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} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2473
2352	register_command "reload" => sub {	2474	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2354		2476
2355	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2478	$who->message ("reloading server.");
		2479
		2480	# doing reload synchronously and two reloads happen back-to-back,
		2481	# coro crashes during coro_state_free->destroy here.
		2482
		2483	$RELOAD_WATCHER ||= Event->timer (
		2484	reentrant => 0,
		2485	after => 0,
		2486	data => WF_AUTOCANCEL,
		2487	cb => sub {
2357	reload;	2488	reload;
2358	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2359	}	2492	}
2360	};	2493	};
2361		2494
2362	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2363		2498
2364	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2366	prio => 0,	2502	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2369	cb => sub {	2505	cb => sub {
		2506	if ($Coro::current != $Coro::main) {
		2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2508	unless ++$bug_warning > 10;
		2509	return;
		2510	}
		2511
		2512	$NOW = Event::time;
		2513
2370	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2516	$NEXT_TICK += $TICK;
		2517
		2518	$WAIT_FOR_TICK->broadcast;
		2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2520
		2521	Event::sweep;
		2522	Coro::cede_notself;
		2523
		2524	# my $AFTER = Event::time;
		2525	# warn $AFTER - $NOW;#d#
2373		2526
2374	# if we are delayed by four ticks or more, skip them all	2527	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2529
2377	$TICK_WATCHER->at ($NEXT_TICK);	2530	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2531	$TICK_WATCHER->start;
2379	},	2532	},
2380	);	2533	);
2381		2534
		2535	{
		2536	BDB::max_poll_time $TICK * 0.1;
		2537	$BDB_POLL_WATCHER = Event->io (
		2538	reentrant => 0,
		2539	fd => BDB::poll_fileno,
		2540	poll => 'r',
		2541	prio => 0,
		2542	data => WF_AUTOCANCEL,
		2543	cb => \&BDB::poll_cb,
		2544	);
		2545	BDB::min_parallel 8;
		2546
		2547	BDB::set_sync_prepare {
		2548	my $status;
		2549	my $current = $Coro::current;
		2550	(
		2551	sub {
		2552	$status = $!;
		2553	$current->ready; undef $current;
		2554	},
		2555	sub {
		2556	Coro::schedule while defined $current;
		2557	$! = $status;
		2558	},
		2559	)
		2560	};
		2561
		2562	unless ($DB_ENV) {
		2563	$DB_ENV = BDB::db_env_create;
		2564
		2565	cf::sync_job {
		2566	eval {
		2567	BDB::db_env_open
		2568	$DB_ENV,
		2569	$BDB_ENV_DIR,
		2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2572	0666;
		2573
		2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2575
		2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2577	$DB_ENV->set_lk_detect;
		2578	};
		2579
		2580	cf::cleanup "db_env_open(db): $@" if $@;
		2581	};
		2582	}
		2583	}
		2584
		2585	{
		2586	IO::AIO::min_parallel 8;
		2587
		2588	undef $Coro::AIO::WATCHER;
2382	IO::AIO::max_poll_time $TICK * 0.2;	2589	IO::AIO::max_poll_time $TICK * 0.1;
2383		2590	$AIO_POLL_WATCHER = Event->io (
2384	Event->io (	2591	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2592	fd => IO::AIO::poll_fileno,
2386	poll => 'r',	2593	poll => 'r',
2387	prio => 5,	2594	prio => 6,
2388	data => WF_AUTOCANCEL,	2595	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,	2596	cb => \&IO::AIO::poll_cb,
2390	);	2597	);
		2598	}
2391		2599
2392	Event->timer (	2600	$WRITE_RUNTIME_WATCHER = Event->timer (
		2601	reentrant => 0,
2393	data => WF_AUTOCANCEL,	2602	data => WF_AUTOCANCEL,
2394	after => 0,	2603	after => 1,
2395	interval => 10,	2604	interval => 10,
2396	cb => sub {	2605	prio => 6, # keep it lowest so it acts like a watchdog
2397	(Coro::unblock_sub {	2606	cb => Coro::unblock_sub {
2398	write_runtime	2607	write_runtime
2399	or warn "ERROR: unable to write runtime file: $!";	2608	or warn "ERROR: unable to write runtime file: $!";
2400	})->();
2401	},	2609	},
2402	);	2610	);
2403		2611
2404	END { cf::emergency_save }	2612	END { cf::emergency_save }
2405		2613

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