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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.208 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
28		32
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		34
…		…
33		37
34	$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
35		39
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";
58		72
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= 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
61		78
62	binmode STDOUT;	79	binmode STDOUT;
63	binmode STDERR;	80	binmode STDERR;
64		81
65	# read virtual server time, if available	82	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	89	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
77		95
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
81		99
82	#############################################################################	100	#############################################################################
83		101
84	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
85		103
…		…
156	}	174	}
157		175
158	$Event::DIED = sub {	176	$Event::DIED = sub {
159	warn "error in event callback: @_";	177	warn "error in event callback: @_";
160	};	178	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		179
166	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
167		181
168	=over 4	182	=over 4
169		183
…		…
257	}	271	}
258		272
259	sub freeze_mainloop {	273	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
261		275
262	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;
263	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
264	$guard	282	$guard
265	}	283	}
266		284
267	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
…		…
319	}	337	}
320	}	338	}
321		339
322	=item $coro = cf::async_ext { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
323		341
324	Like async, but this coro is automcatially being canceled when the	342	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	343	extension calling this is being unloaded.
326		344
327	=cut	345	=cut
328		346
329	sub async_ext(&) {	347	sub async_ext(&) {
…		…
343	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
344		362
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	364	or return;
347		365
		366	my $value = $cf::RUNTIME + 90 + 10;
348	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
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	371	and return;
351		372
		373	# always fsync - this file is important
352	aio_fsync $fh	374	aio_fsync $fh
353	and return;	375	and return;
354		376
355	close $fh	377	close $fh
356	or return;	378	or return;
…		…
362	}	384	}
363		385
364	=back	386	=back
365		387
366	=cut	388	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		389
495	#############################################################################	390	#############################################################################
496		391
497	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
498		393
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	520	our @CB_MAP = ();
626		521
627	my %attachment;	522	my %attachment;
628		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
629	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
631		532
632	use sort 'stable';	533	use sort 'stable';
633		534
…		…
804	# object support	705	# object support
805		706
806	sub reattach {	707	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		712
810	my $registry = $obj->registry;	713	my $registry = $obj->registry;
811		714
812	@$registry = ();	715	@$registry = ();
813		716
…		…
860	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
861		764
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	769	close $fh;
867		770
868	if (@$objs) {	771	if (@$objs) {
869	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) {
870	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	777	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
876	}	779	}
877	} else {	780	} else {
878	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
884	}	787	}
885	} else {	788	} else {
886	aio_unlink $filename;	789	aio_unlink $filename;
887	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
888	}	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	}
889	}	798	}
890	}	799	}
891		800
892	sub object_freezer_as_string {	801	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
899		808
900	sub object_thawer_load {	809	sub object_thawer_load {
901	my ($filename) = @_;	810	my ($filename) = @_;
902		811
903	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$//;
904		816
905	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
906	or return;	818	or return;
907		819
908	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
945	=cut	857	=cut
946		858
947	sub register_extcmd {	859	sub register_extcmd {
948	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
949		861
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
954	}	863	}
955		864
956	cf::player->attach (	865	cf::player->attach (
957	on_command => sub {	866	on_command => sub {
958	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
971		880
972	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
973		882
974	if (ref $msg) {	883	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	887	}
979	}	888	}
980	} else {	889	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		892
984	cf::override;	893	cf::override;
985	},	894	},
986	);	895	);
987		896
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	897	sub load_extension {
995	my ($path) = @_;	898	my ($path) = @_;
996		899
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	901	my $base = $1;
999	my $pkg = $1;	902	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
1002		905
1003	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
1004		907
1005	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	909	or die "$path: $!";
1007		910
1008	my $source =	911	my $source =
1009	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
1012	. "\n};\n1";	915	. "\n};\n1";
1013		916
1014	eval $source	917	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	919	: "extension disabled.\n";
1017		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	921	warn $@;
1019	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
1020		923	exit 1;
1021	# no strict 'refs';	924	}
1022	# @{"$pkg\::ISA"} = ext::;	925	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	926	}
1037		927
1038	# remove commands	928	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	929	}
1063		930
1064	sub load_extensions {	931	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	933	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1071	}	938	}
1072	}	939	}
1073		940
1074	#############################################################################	941	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		942
1090	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1091		944
1092	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1093		946
…		…
1129		982
1130	sub exists($) {	983	sub exists($) {
1131	my ($login) = @_;	984	my ($login) = @_;
1132		985
1133	$cf::PLAYER{$login}	986	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	987	or cf::sync_job { !aio_stat path $login }
1135	}	988	}
1136		989
1137	sub find($) {	990	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	991	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	992	my $login = $_[0];
…		…
1229	\@logins	1082	\@logins
1230	}	1083	}
1231		1084
1232	=item $player->maps	1085	=item $player->maps
1233		1086
1234	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
1235	player. May block.	1088	player. May block.
1236		1089
1237	=cut	1090	=cut
1238		1091
1239	sub maps($) {	1092	sub maps($) {
1240	my ($pl) = @_;	1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1096
1242	my $files = aio_readdir playerdir $pl	1097	my $files = aio_readdir playerdir $pl
1243	or return;	1098	or return;
1244		1099
1245	my @paths;	1100	my @paths;
…		…
1247	for (@$files) {	1102	for (@$files) {
1248	utf8::decode $_;	1103	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1104	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1105	next unless /^$PATH_SEP/o;
1251		1106
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1107	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1108	}
1254		1109
1255	\@paths	1110	\@paths
1256	}	1111	}
1257		1112
…		…
1283	package cf::map;	1138	package cf::map;
1284		1139
1285	use Fcntl;	1140	use Fcntl;
1286	use Coro::AIO;	1141	use Coro::AIO;
1287		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1288	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1290		1149
1291	sub generate_random_map {	1150	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1153	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$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},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(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
1308	}	1295	}
1309		1296
1310	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1311	# all maps in C++...	1298	# all maps in C++...
1312	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1314		1301
1315	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1317	}	1304	}
1318		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
1319	sub try_load_header($) {	1319	sub load_header_from($) {
1320	my ($path) = @_;	1320	my ($self, $path) = @_;
1321		1321
1322	utf8::encode $path;	1322	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1324	or return;	1327	or return;
1325		1328
1326	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
1327	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1328		1375
1329	# for better error messages only, will be overwritten	1376	1
1330	$map->path ($path);
1331
1332	$map->load_header ($path)
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1377	}
1339		1378
1340	sub find;	1379	sub find;
1341	sub find {	1380	sub find {
1342	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1343		1382
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1384
1349	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1350		1386
1351	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1353		1389	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1390	or return;
1373		1391
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1386		1393
1387	Coro::cede;	1394	$map->load_header
		1395	or return;
1388		1396
1389	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;
1390	$map->reset;	1400	$map->reset;
1391	undef $guard;	1401	undef $guard;
1392	$map = find $path	1402	return find $path;
1393	or return;
1394	}	1403	}
1395		1404
1396	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1397	}	1406	}
1398	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1399		1411
1400	sub load {	1412	sub load {
1401	my ($self) = @_;	1413	my ($self) = @_;
1402		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1403	my $path = $self->{path};	1417	my $path = $self->{path};
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1405		1419
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1421
1408	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1409		1423
1410	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1411	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1429	or return;
1413		1430
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1432	if delete $self->{load_original};
1416		1433
1417	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1435	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1437	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1422	}	1439	}
1423	}	1440	}
1424		1441
1425	Coro::cede;	1442	Coro::cede;
1426		1443
1427	# now do the right thing for maps	1444	# now do the right thing for maps
1428	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1429		1446
1430	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1431	$self->{deny_save} = 1;	1448	$self->decay_objects;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1437	$self->set_darkness_map;	1452	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1440	$self->activate;	1456	$self->activate;
1441	}	1457	}
1442		1458
1443	Coro::cede;	1459	$self->post_load;
1444		1460
1445	$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
1446	}	1471	}
1447		1472
1448	# find and load all maps in the 3x3 area around a map	1473	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1474	sub load_diag {
1450	my ($map) = @_;	1475	my ($map) = @_;
…		…
1480		1505
1481	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1482	}	1507	}
1483		1508
1484	our %MAP_PREFETCH;	1509	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1510	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1511
1500	sub find_async {	1512	sub find_async {
1501	my ($path, $origin) = @_;	1513	my ($path, $origin) = @_;
1502		1514
1503	$path = new cf::path $path, $origin && $origin->path;	1515	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1516
1506	if (my $map = $cf::MAP{$key}) {	1517	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1519	}
1509		1520
1510	$MAP_PREFETCH{$key} = $path;	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	};
1511	$MAP_PREFETCHER->ready;	1534	$MAP_PREFETCHER->prio (6);
1512		1535
1513	()	1536	()
1514	}	1537	}
1515		1538
1516	sub save {	1539	sub save {
…		…
1520		1543
1521	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1522		1545
1523	return unless $self->dirty;	1546	return unless $self->dirty;
1524		1547
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1550
1528	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1529		1552
1530	return if $self->{deny_save};	1553	return if $self->{deny_save};
1531		1554
…		…
1534	cf::async {	1557	cf::async {
1535	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1536	};	1559	};
1537		1560
1538	if ($uniq) {	1561	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1564	} else {
1542	$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);
1543	}	1566	}
1544	}	1567	}
1545		1568
1546	sub swap_out {	1569	sub swap_out {
1547	my ($self) = @_;	1570	my ($self) = @_;
…		…
1561		1584
1562	sub reset_at {	1585	sub reset_at {
1563	my ($self) = @_;	1586	my ($self) = @_;
1564		1587
1565	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1568		1591
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	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;
1571		1594
…		…
1576	my ($self) = @_;	1599	my ($self) = @_;
1577		1600
1578	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1579	}	1602	}
1580		1603
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1604	sub reset {
1603	my ($self) = @_;	1605	my ($self) = @_;
1604		1606
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1608
1607	return if $self->players;	1609	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1609		1611
1610	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1611		1613
1612	delete $cf::MAP{$self->path};	1614	delete $cf::MAP{$self->path};
		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617	$self->clear;
1613		1618
1614	$_->clear_links_to ($self) for values %cf::MAP;	1619	$_->clear_links_to ($self) for values %cf::MAP;
1615		1620
1616	$self->unlink_save;	1621	$self->unlink_save;
1617	$self->destroy;	1622	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1625	my $nuke_counter = "aaaa";
1621		1626
1622	sub nuke {	1627	sub nuke {
1623	my ($self) = @_;	1628	my ($self) = @_;
1624		1629
		1630	delete $cf::MAP{$self->path};
		1631
		1632	$self->unlink_save;
		1633
		1634	bless $self, "cf::map";
		1635	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1636	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1637	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1639
		1640	$cf::MAP{$self->path} = $self;
		1641
1628	$self->reset; # polite request, might not happen	1642	$self->reset; # polite request, might not happen
1629	}	1643	}
1630		1644
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1645	=item cf::map::unique_maps
1642		1646
1643	Returns an arrayref of cf::path's of all shared maps that have	1647	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1648	instantiated unique items. May block.
1645		1649
1646	=cut	1650	=cut
1647		1651
1648	sub unique_maps() {	1652	sub unique_maps() {
…		…
1654	for (@$files) {	1658	for (@$files) {
1655	utf8::decode $_;	1659	utf8::decode $_;
1656	next if /\.pst$/;	1660	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1661	next unless /^$PATH_SEP/o;
1658		1662
1659	push @paths, new cf::path $_;	1663	push @paths, cf::map::normalise $_;
1660	}	1664	}
1661		1665
1662	\@paths	1666	\@paths
1663	}	1667	}
1664		1668
…		…
1739		1743
1740	=item $player_object->enter_link	1744	=item $player_object->enter_link
1741		1745
1742	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}>).
1743		1747
1744	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
1745	I<MUST> call C<leave_link> as soon as possible, though.	1749	I<MUST> call C<leave_link> as soon as possible, though.
1746		1750
		1751	Will never block.
		1752
1747	=item $player_object->leave_link ($map, $x, $y)	1753	=item $player_object->leave_link ($map, $x, $y)
1748		1754
1749	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
1750	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
1751	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
1752	to the emergency map position.	1758	fails, to the emergency map position.
1753		1759
1754	Might block.	1760	Might block.
1755		1761
1756	=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	}
1757		1773
1758	sub cf::object::player::enter_link {	1774	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1775	my ($self) = @_;
1760		1776
1761	$self->deactivate_recursive;	1777	$self->deactivate_recursive;
1762		1778
1763	return if $self->map == $LINK_MAP;	1779	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1780
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1782	if $self->map;
1767		1783
1768	$self->enter_map ($LINK_MAP, 20, 20);	1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1785	}
1770		1786
1771	sub cf::object::player::leave_link {	1787	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1788	my ($self, $map, $x, $y) = @_;
1773		1789
…		…
1837	=cut	1853	=cut
1838		1854
1839	sub cf::object::player::goto {	1855	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1856	my ($self, $path, $x, $y) = @_;
1841		1857
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1858	$self->enter_link;
1845		1859
1846	(async {	1860	(async {
		1861	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1862	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1863	$map = $map->customise_for ($self) if $map;
1849		1864	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1865	} or
1851	# if $map;
1852
1853	$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);
1854		1867
1855	$self->leave_link ($map, $x, $y);	1868	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1869	})->prio (1);
1857	}	1870	}
1858		1871
…		…
1862		1875
1863	sub parse_random_map_params {	1876	sub parse_random_map_params {
1864	my ($spec) = @_;	1877	my ($spec) = @_;
1865		1878
1866	my $rmp = { # defaults	1879	my $rmp = { # defaults
1867	xsize => 10,	1880	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1881	ysize => (cf::rndm 15, 40),
		1882	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1883	#layout => string,
1869	};	1884	};
1870		1885
1871	for (split /\n/, $spec) {	1886	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1887	my ($k, $v) = split /\s+/, $_, 2;
1873		1888
…		…
1877	$rmp	1892	$rmp
1878	}	1893	}
1879		1894
1880	sub prepare_random_map {	1895	sub prepare_random_map {
1881	my ($exit) = @_;	1896	my ($exit) = @_;
		1897
		1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1899
1883	# all this does is basically replace the /! path by	1900	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1901	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1902	# that depends on the exit object
1886		1903
1887	my $rmp = parse_random_map_params $exit->msg;	1904	my $rmp = parse_random_map_params $exit->msg;
1888		1905
1889	if ($exit->map) {	1906	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	1907	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	1908	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	1909	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	1910	$rmp->{origin_y} = $exit->y;
1894	}	1911	}
1895		1912
1896	$rmp->{random_seed} ||= $exit->random_seed;	1913	$rmp->{random_seed} ||= $exit->random_seed;
1897		1914
1898	my $data = cf::to_json $rmp;	1915	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	1916	my $md5 = Digest::MD5::md5_hex $data;
		1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900		1918
1901	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) {
1902	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;
1903		1923
1904	$exit->slaying ("?random/$md5");	1924	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	1925	$exit->msg (undef);
1906	}	1926	}
1907	}	1927	}
1908		1928
1909	sub cf::object::player::enter_exit {	1929	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	1930	my ($self, $exit) = @_;
1911		1931
1912	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;
1913		1942
1914	$self->enter_link;	1943	$self->enter_link;
1915		1944
1916	(async {	1945	(async {
1917	$self->deactivate_recursive; # just to be sure	1946	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	1947	unless (eval {
1919	prepare_random_map $exit	1948	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		1949
1925	1;	1950	1;
1926	}) {	1951	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	1952	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "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. "
…		…
1989	# get handled first	2014	# get handled first
1990	my $queue = delete $ns->{query_queue}	2015	my $queue = delete $ns->{query_queue}
1991	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
1992		2017
1993	(shift @$queue)->[1]->($msg);	2018	(shift @$queue)->[1]->($msg);
		2019	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2020
1995	push @{ $ns->{query_queue} }, @$queue;	2021	push @{ $ns->{query_queue} }, @$queue;
1996		2022
1997	if (@{ $ns->{query_queue} } == @$queue) {	2023	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2024	if (@$queue) {
…		…
2159	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
2160	using it, it should be unique.	2186	using it, it should be unique.
2161		2187
2162	=over 4	2188	=over 4
2163		2189
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2190	=item $value = cf::db_get $family => $key
2171		2191
2172	Returns a single value from the database	2192	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2193
2179	=item cf::db_put $family => $key => $value	2194	=item cf::db_put $family => $key => $value
2180		2195
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2196	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2197
2192	=cut	2198	=cut
2193		2199
2194	our $DB;	2200	our $DB;
2195		2201
2196	{	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
2197	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;
2198		2221
2199	sub db_load() {	2222	cf::db_put (board => data => $pst->{board});
2200	$DB = stat $path ? Storable::retrieve $path : { };	2223	cf::db_put (guildrules => data => $pst->{guildrules});
2201	}	2224	cf::db_put (rent => balance => $pst->{rent}{balance});
		2225	BDB::db_env_txn_checkpoint $DB_ENV;
2202		2226
2203	my $pid;	2227	unlink $path;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2228	};
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2229	}
2251	);	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 { };
2252	}	2247	}
2253		2248
2254	#############################################################################	2249	#############################################################################
2255	# 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	}
2256		2256
2257	sub cfg_load {	2257	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2258	open my $fh, "<:utf8", cf::confdir . "/config"
2259	or return;	2259	or return;
2260		2260
…		…
2273	};	2273	};
2274	warn $@ if $@;	2274	warn $@ if $@;
2275	}	2275	}
2276	}	2276	}
2277		2277
		2278	sub init {
		2279	load_resources;
		2280	}
		2281
2278	sub main {	2282	sub main {
2279	# we must not ever block the main coroutine	2283	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2284	local $Coro::idle = sub {
2281	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 {
2282	async { Event::one_event };	2287	Event::one_event;
		2288	})->prio (Coro::PRIO_MAX);
2283	};	2289	};
2284		2290
2285	cfg_load;	2291	cfg_load;
2286	db_load;	2292	db_load;
2287	load_extensions;	2293	load_extensions;
		2294
		2295	$TICK_WATCHER->start;
2288	Event::loop;	2296	Event::loop;
2289	}	2297	}
2290		2298
2291	#############################################################################	2299	#############################################################################
2292	# initialisation and cleanup	2300	# initialisation and cleanup
2293		2301
2294	# install some emergency cleanup handlers	2302	# install some emergency cleanup handlers
2295	BEGIN {	2303	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2304	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2305	Event->signal (
		2306	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2307	data => WF_AUTOCANCEL,
2299	signal => $signal,	2308	signal => $signal,
		2309	prio => 0,
2300	cb => sub {	2310	cb => sub {
2301	cf::cleanup "SIG$signal";	2311	cf::cleanup "SIG$signal";
2302	},	2312	},
2303	);	2313	);
2304	}	2314	}
2305	}	2315	}
…		…
2310	warn "enter emergency perl save\n";	2320	warn "enter emergency perl save\n";
2311		2321
2312	cf::sync_job {	2322	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2323	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2324	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2325	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2326	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2327	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2328	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2329	$pl->valid or next;
2320	$pl->save;	2330	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2336	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2337	$map->valid or next;
2328	$map->save;	2338	$map->save;
2329	}	2339	}
2330	warn "end emergency map save\n";	2340	warn "end emergency map save\n";
		2341
		2342	warn "begin emergency database checkpoint\n";
		2343	BDB::db_env_txn_checkpoint $DB_ENV;
		2344	warn "end emergency database checkpoint\n";
2331	};	2345	};
2332		2346
2333	warn "leave emergency perl save\n";	2347	warn "leave emergency perl save\n";
2334	}	2348	}
2335		2349
2336	sub reload() {	2350	sub reload() {
2337	# can/must only be called in main	2351	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2352	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2353	warn "can only reload from main coroutine";
2340	return;	2354	return;
2341	}	2355	}
2342		2356
2343	warn "reloading...";	2357	warn "reloading...";
2344		2358
2345	my $guard = freeze_mainloop;	2359	warn "cancelling server ticker";
		2360	$TICK_WATCHER->cancel;
		2361
2346	cf::emergency_save;	2362	cf::emergency_save;
2347		2363
2348	eval {	2364	eval {
2349	# 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
2350		2366
2351	# cancel all watchers	2367	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2368	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2369	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2370	}
2355		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
2356	# cancel all extension coros	2384	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2385	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2386	%EXT_CORO = ();
2359		2387
2360	# unload all extensions	2388	warn "removing commands";
2361	for (@exts) {	2389	%COMMAND = ();
		2390
		2391	warn "removing ext commands";
		2392	%EXTCMD = ();
		2393
		2394	warn "unloading/nuking all extensions";
		2395	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2396	warn "... unloading $pkg";
2363	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: $@";
2364	}	2403	}
2365		2404
		2405	warn "... nuking $pkg";
		2406	Symbol::delete_package $pkg;
		2407	}
		2408
2366	# unload all modules loaded from $LIBDIR	2409	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2410	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2411	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2412
2370	warn "removing <$k>";	2413	warn "... unloading $k";
2371	delete $INC{$k};	2414	delete $INC{$k};
2372		2415
2373	$k =~ s/\.pm$//;	2416	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2417	$k =~ s/\//::/g;
2375		2418
…		…
2378	}	2421	}
2379		2422
2380	Symbol::delete_package $k;	2423	Symbol::delete_package $k;
2381	}	2424	}
2382		2425
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2426	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2427	Symbol::delete_package "safe::$_"
2389	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);
2390		2429
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2430	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2431	delete $INC{"cf.pm"};
2396		2432
2397	# don't, removes xs symbols, too,	2433	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2434	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2435	#Symbol::delete_package __PACKAGE__;
2400		2436
2401	# reload cf.pm	2437	warn "unload completed, starting to reload now";
		2438
2402	warn "reloading cf.pm";	2439	warn "reloading cf.pm";
2403	require cf;	2440	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2442
2406	# load config and database again	2443	warn "loading config and database again";
2407	cf::cfg_load;	2444	cf::cfg_load;
2408	cf::db_load;	2445	cf::db_load;
2409		2446
2410	# load extensions
2411	warn "load extensions";	2447	warn "loading extensions";
2412	cf::load_extensions;	2448	cf::load_extensions;
2413		2449
2414	# reattach attachments to objects	2450	warn "reattaching attachments to objects/players";
2415	warn "reattach";
2416	_global_reattach;	2451	_global_reattach;
		2452	warn "reattaching attachments to maps";
2417	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	$TICK_WATCHER->start;
2418	};	2461	};
2419		2462
2420	if ($@) {	2463	if ($@) {
2421	warn $@;	2464	warn $@;
2422	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2423	exit 1;	2466	exit 1;
2424	}	2467	}
2425		2468
2426	warn "reloaded successfully";	2469	warn "reloaded";
2427	};	2470	};
2428		2471
2429	#############################################################################	2472	our $RELOAD_WATCHER; # used only during reload
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}
2471
2472	register "<global>", __PACKAGE__;
2473		2473
2474	register_command "reload" => sub {	2474	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2476		2476
2477	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2478	$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 {
2479	reload;	2488	reload;
2480	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2481	}	2492	}
2482	};	2493	};
2483		2494
2484	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2485		2498
2486	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2488	prio => 0,	2502	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2491	cb => sub {	2505	cb => sub {
		2506	if ($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
2492	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2516	$NEXT_TICK += $TICK;
2495		2517
2496	$WAIT_FOR_TICK->broadcast;	2518	$WAIT_FOR_TICK->broadcast;
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	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#
2498		2526
2499	# 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
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2529
2502	$TICK_WATCHER->at ($NEXT_TICK);	2530	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2531	$TICK_WATCHER->start;
2504	},	2532	},
2505	);	2533	);
2506		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;
2507	IO::AIO::max_poll_time $TICK * 0.2;	2589	IO::AIO::max_poll_time $TICK * 0.1;
2508		2590	$AIO_POLL_WATCHER = Event->io (
2509	Event->io (	2591	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2592	fd => IO::AIO::poll_fileno,
2511	poll => 'r',	2593	poll => 'r',
2512	prio => 5,	2594	prio => 6,
2513	data => WF_AUTOCANCEL,	2595	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,	2596	cb => \&IO::AIO::poll_cb,
2515	);	2597	);
		2598	}
2516		2599
2517	Event->timer (	2600	$WRITE_RUNTIME_WATCHER = Event->timer (
		2601	reentrant => 0,
2518	data => WF_AUTOCANCEL,	2602	data => WF_AUTOCANCEL,
2519	after => 0,	2603	after => 1,
2520	interval => 10,	2604	interval => 10,
2521	cb => sub {	2605	prio => 6, # keep it lowest so it acts like a watchdog
2522	(Coro::unblock_sub {	2606	cb => Coro::unblock_sub {
2523	write_runtime	2607	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	2608	or warn "ERROR: unable to write runtime file: $!";
2525	})->();
2526	},	2609	},
2527	);	2610	);
2528		2611
2529	END { cf::emergency_save }	2612	END { cf::emergency_save }
2530		2613

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