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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 1.211 by root, Tue Feb 13 16:23:32 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(&) {
…		…
338		356
339	$coro	357	$coro
340	}	358	}
341		359
342	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
343	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
344		364
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	366	or return;
347		367
		368	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	369	# 10 is the runtime save interval, for a monotonic clock
		370	# 60 allows for the watchdog to kill the server.
		371
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	373	and return;
351		374
		375	# always fsync - this file is important
352	aio_fsync $fh	376	aio_fsync $fh
353	and return;	377	and return;
354		378
355	close $fh	379	close $fh
356	or return;	380	or return;
…		…
362	}	386	}
363		387
364	=back	388	=back
365		389
366	=cut	390	=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		391
495	#############################################################################	392	#############################################################################
496		393
497	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
498		395
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	522	our @CB_MAP = ();
626		523
627	my %attachment;	524	my %attachment;
628		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
629	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
631		534
632	use sort 'stable';	535	use sort 'stable';
633		536
…		…
804	# object support	707	# object support
805		708
806	sub reattach {	709	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		714
810	my $registry = $obj->registry;	715	my $registry = $obj->registry;
811		716
812	@$registry = ();	717	@$registry = ();
813		718
…		…
860	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
861		766
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	771	close $fh;
867		772
868	if (@$objs) {	773	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	779	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
876	}	781	}
877	} else {	782	} else {
878	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
884	}	789	}
885	} else {	790	} else {
886	aio_unlink $filename;	791	aio_unlink $filename;
887	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
888	}	793	}
		794
		795	#d##TODO# nuke non .map-files if exist
		796	if ($filename =~ s/\.map$//) {
		797	aio_unlink $filename;
		798	aio_unlink "$filename.pst";
		799	}
889	}	800	}
890	}	801	}
891		802
892	sub object_freezer_as_string {	803	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
899		810
900	sub object_thawer_load {	811	sub object_thawer_load {
901	my ($filename) = @_;	812	my ($filename) = @_;
902		813
903	my ($data, $av);	814	my ($data, $av);
		815
		816	#d#TODO remove .map if file does not exist
		817	aio_stat $filename and $filename =~ s/\.map$//;
904		818
905	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
906	or return;	820	or return;
907		821
908	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
…		…
945	=cut	859	=cut
946		860
947	sub register_extcmd {	861	sub register_extcmd {
948	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
949		863
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
954	}	865	}
955		866
956	cf::player->attach (	867	cf::player->attach (
957	on_command => sub {	868	on_command => sub {
958	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
971		882
972	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
973		884
974	if (ref $msg) {	885	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	889	}
979	}	890	}
980	} else {	891	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		894
984	cf::override;	895	cf::override;
985	},	896	},
986	);	897	);
987		898
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	899	sub load_extension {
995	my ($path) = @_;	900	my ($path) = @_;
996		901
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	903	my $base = $1;
999	my $pkg = $1;	904	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
1002		907
1003	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
1004		909
1005	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	911	or die "$path: $!";
1007		912
1008	my $source =	913	my $source =
1009	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
1012	. "\n};\n1";	917	. "\n};\n1";
1013		918
1014	eval $source	919	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	921	: "extension disabled.\n";
1017		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	923	warn $@;
1019	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
1020		925	exit 1;
1021	# no strict 'refs';	926	}
1022	# @{"$pkg\::ISA"} = ext::;	927	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	# }	928	}
1037		929
1038	# remove commands	930	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	}	931	}
1063		932
1064	sub load_extensions {	933	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	935	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
1071	}	940	}
1072	}	941	}
1073		942
1074	#############################################################################	943	#############################################################################
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		944
1090	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1091		946
1092	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1093		948
…		…
1129		984
1130	sub exists($) {	985	sub exists($) {
1131	my ($login) = @_;	986	my ($login) = @_;
1132		987
1133	$cf::PLAYER{$login}	988	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	989	or cf::sync_job { !aio_stat path $login }
1135	}	990	}
1136		991
1137	sub find($) {	992	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	993	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	994	my $login = $_[0];
…		…
1229	\@logins	1084	\@logins
1230	}	1085	}
1231		1086
1232	=item $player->maps	1087	=item $player->maps
1233		1088
1234	Returns an arrayref of cf::path's of all maps that are private for this	1089	Returns an arrayref of map paths that are private for this
1235	player. May block.	1090	player. May block.
1236		1091
1237	=cut	1092	=cut
1238		1093
1239	sub maps($) {	1094	sub maps($) {
1240	my ($pl) = @_;	1095	my ($pl) = @_;
		1096
		1097	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1098
1242	my $files = aio_readdir playerdir $pl	1099	my $files = aio_readdir playerdir $pl
1243	or return;	1100	or return;
1244		1101
1245	my @paths;	1102	my @paths;
…		…
1247	for (@$files) {	1104	for (@$files) {
1248	utf8::decode $_;	1105	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1106	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1107	next unless /^$PATH_SEP/o;
1251		1108
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1109	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1110	}
1254		1111
1255	\@paths	1112	\@paths
1256	}	1113	}
1257		1114
…		…
1283	package cf::map;	1140	package cf::map;
1284		1141
1285	use Fcntl;	1142	use Fcntl;
1286	use Coro::AIO;	1143	use Coro::AIO;
1287		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1288	our $MAX_RESET = 3600;	1149	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1150	our $DEFAULT_RESET = 3000;
1290		1151
1291	sub generate_random_map {	1152	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1155	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1166	(cf::region::find $rmp->{region}), $rmp->{custom}
		1167	)
		1168	}
		1169
		1170	=item cf::map->register ($regex, $prio)
		1171
		1172	Register a handler for the map path matching the given regex at the
		1173	givne priority (higher is better, built-in handlers have priority 0, the
		1174	default).
		1175
		1176	=cut
		1177
		1178	sub register {
		1179	my (undef, $regex, $prio) = @_;
		1180	my $pkg = caller;
		1181
		1182	no strict;
		1183	push @{"$pkg\::ISA"}, __PACKAGE__;
		1184
		1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1186	}
		1187
		1188	# also paths starting with '/'
		1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1190
		1191	sub thawer_merge {
		1192	my ($self, $merge) = @_;
		1193
		1194	# we have to keep some variables in memory intact
		1195	local $self->{path};
		1196	local $self->{load_path};
		1197	local $self->{deny_save};
		1198	local $self->{deny_reset};
		1199
		1200	$self->SUPER::thawer_merge ($merge);
		1201	}
		1202
		1203	sub normalise {
		1204	my ($path, $base) = @_;
		1205
		1206	$path = "$path"; # make sure its a string
		1207
		1208	$path =~ s/\.map$//;
		1209
		1210	# map plan:
		1211	#
		1212	# /! non-realised random map exit (special hack!)
		1213	# {... are special paths that are not being touched
		1214	# ?xxx/... are special absolute paths
		1215	# ?random/... random maps
		1216	# /... normal maps
		1217	# ~user/... per-player map of a specific user
		1218
		1219	$path =~ s/$PATH_SEP/\//go;
		1220
		1221	# treat it as relative path if it starts with
		1222	# something that looks reasonable
		1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1225
		1226	$base =~ s{[^/]+/?$}{};
		1227	$path = "$base/$path";
		1228	}
		1229
		1230	for ($path) {
		1231	redo if s{//}{/};
		1232	redo if s{/\.?/}{/};
		1233	redo if s{/[^/]+/\.\./}{/};
		1234	}
		1235
		1236	$path
		1237	}
		1238
		1239	sub new_from_path {
		1240	my (undef, $path, $base) = @_;
		1241
		1242	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1243
		1244	$path = normalise $path, $base;
		1245
		1246	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1247	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1248	my $self = bless cf::map::new, $pkg;
		1249	$self->{path} = $path; $self->path ($path);
		1250	$self->init; # pass $1 etc.
		1251	return $self;
		1252	}
		1253	}
		1254
		1255	Carp::carp "unable to resolve path '$path' (base '$base').";
		1256	()
		1257	}
		1258
		1259	sub init {
		1260	my ($self) = @_;
		1261
		1262	$self
		1263	}
		1264
		1265	sub as_string {
		1266	my ($self) = @_;
		1267
		1268	"$self->{path}"
		1269	}
		1270
		1271	# the displayed name, this is a one way mapping
		1272	sub visible_name {
		1273	&as_string
		1274	}
		1275
		1276	# the original (read-only) location
		1277	sub load_path {
		1278	my ($self) = @_;
		1279
		1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1281	}
		1282
		1283	# the temporary/swap location
		1284	sub save_path {
		1285	my ($self) = @_;
		1286
		1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1289	}
		1290
		1291	# the unique path, undef == no special unique path
		1292	sub uniq_path {
		1293	my ($self) = @_;
		1294
		1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308	}	1297	}
1309		1298
1310	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1311	# all maps in C++...	1300	# all maps in C++...
1312	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1314		1303
1315	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1317	}	1306	}
1318		1307
		1308	sub unlink_save {
		1309	my ($self) = @_;
		1310
		1311	utf8::encode (my $save = $self->save_path);
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1314
		1315	#d#TODO remove .map and also nuke
		1316	$save =~ s/\.map// or return;#d#
		1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1319	}
		1320
1319	sub try_load_header($) {	1321	sub load_header_from($) {
1320	my ($path) = @_;	1322	my ($self, $path) = @_;
1321		1323
1322	utf8::encode $path;	1324	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1324	or return;	1329	or return;
1325		1330
1326	my $map = cf::map::new	1331	$self->{load_path} = $path;
		1332
		1333	1
		1334	}
		1335
		1336	sub load_header_orig {
		1337	my ($self) = @_;
		1338
		1339	$self->load_header_from ($self->load_path)
		1340	}
		1341
		1342	sub load_header_temp {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->save_path)
		1346	}
		1347
		1348	sub prepare_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->last_access ((delete $self->{last_access})
		1352	|| $cf::RUNTIME); #d#
		1353	# safety
		1354	$self->{instantiate_time} = $cf::RUNTIME
		1355	if $self->{instantiate_time} > $cf::RUNTIME;
		1356	}
		1357
		1358	sub prepare_orig {
		1359	my ($self) = @_;
		1360
		1361	$self->{load_original} = 1;
		1362	$self->{instantiate_time} = $cf::RUNTIME;
		1363	$self->last_access ($cf::RUNTIME);
		1364	$self->instantiate;
		1365	}
		1366
		1367	sub load_header {
		1368	my ($self) = @_;
		1369
		1370	if ($self->load_header_temp) {
		1371	$self->prepare_temp;
		1372	} else {
		1373	$self->load_header_orig
1327	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1328		1377
1329	# for better error messages only, will be overwritten	1378	1
1330	$map->path ($path);
1331
1332	$map->load_header ($path)
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1379	}
1339		1380
1340	sub find;	1381	sub find;
1341	sub find {	1382	sub find {
1342	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1343		1384
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1386
1349	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1350		1388
1351	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1353		1391	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;	1392	or return;
1373		1393
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;	1394	$map->{last_save} = $cf::RUNTIME;
1386		1395
1387	Coro::cede;	1396	$map->load_header
		1397	or return;
1388		1398
1389	if ($map->should_reset) {	1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1400	# doing this can freeze the server in a sync job, obviously
		1401	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1402	$map->reset;
1391	undef $guard;	1403	undef $guard;
1392	$map = find $path	1404	return find $path;
1393	or return;
1394	}	1405	}
1395		1406
1396	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1397	}	1408	}
1398	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1399		1413
1400	sub load {	1414	sub load {
1401	my ($self) = @_;	1415	my ($self) = @_;
1402		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1403	my $path = $self->{path};	1419	my $path = $self->{path};
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1405		1421
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1423
1408	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1409		1425
1410	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1411	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1431	or return;
1413		1432
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1434	if delete $self->{load_original};
1416		1435
1417	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1437	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1439	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1422	}	1441	}
1423	}	1442	}
1424		1443
1425	Coro::cede;	1444	Coro::cede;
1426		1445
1427	# now do the right thing for maps	1446	# now do the right thing for maps
1428	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1429		1448
1430	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1431	$self->{deny_save} = 1;	1450	$self->decay_objects;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1437	$self->set_darkness_map;	1454	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1440	$self->activate;	1458	$self->activate;
1441	}	1459	}
1442		1460
1443	Coro::cede;	1461	$self->post_load;
1444		1462
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
		1464	}
		1465
		1466	sub customise_for {
		1467	my ($self, $ob) = @_;
		1468
		1469	return find "~" . $ob->name . "/" . $self->{path}
		1470	if $self->per_player;
		1471
		1472	$self
1446	}	1473	}
1447		1474
1448	# find and load all maps in the 3x3 area around a map	1475	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1476	sub load_diag {
1450	my ($map) = @_;	1477	my ($map) = @_;
…		…
1480		1507
1481	cf::sync_job { $map->load };	1508	cf::sync_job { $map->load };
1482	}	1509	}
1483		1510
1484	our %MAP_PREFETCH;	1511	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1512	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		1513
1500	sub find_async {	1514	sub find_async {
1501	my ($path, $origin) = @_;	1515	my ($path, $origin) = @_;
1502		1516
1503	$path = new cf::path $path, $origin && $origin->path;	1517	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1518
1506	if (my $map = $cf::MAP{$key}) {	1519	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1521	}
1509		1522
1510	$MAP_PREFETCH{$key} = $path;	1523	undef $MAP_PREFETCH{$path};
		1524	$MAP_PREFETCHER ||= cf::async {
		1525	while (%MAP_PREFETCH) {
		1526	for my $path (keys %MAP_PREFETCH) {
		1527	my $map = find $path
		1528	or next;
		1529	$map->load;
		1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
		1535	};
1511	$MAP_PREFETCHER->ready;	1536	$MAP_PREFETCHER->prio (6);
1512		1537
1513	()	1538	()
1514	}	1539	}
1515		1540
1516	sub save {	1541	sub save {
…		…
1520		1545
1521	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1522		1547
1523	return unless $self->dirty;	1548	return unless $self->dirty;
1524		1549
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1552
1528	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1529		1554
1530	return if $self->{deny_save};	1555	return if $self->{deny_save};
1531		1556
…		…
1534	cf::async {	1559	cf::async {
1535	$_->contr->save for $self->players;	1560	$_->contr->save for $self->players;
1536	};	1561	};
1537		1562
1538	if ($uniq) {	1563	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1566	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1568	}
1544	}	1569	}
1545		1570
1546	sub swap_out {	1571	sub swap_out {
1547	my ($self) = @_;	1572	my ($self) = @_;
…		…
1561		1586
1562	sub reset_at {	1587	sub reset_at {
1563	my ($self) = @_;	1588	my ($self) = @_;
1564		1589
1565	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1568		1593
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1596
…		…
1576	my ($self) = @_;	1601	my ($self) = @_;
1577		1602
1578	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1579	}	1604	}
1580		1605
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 {	1606	sub reset {
1603	my ($self) = @_;	1607	my ($self) = @_;
1604		1608
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1610
1607	return if $self->players;	1611	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1609		1613
1610	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1611		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617
		1618	# need to save uniques path
		1619	unless ($self->{deny_save}) {
		1620	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1621
		1622	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1623	if $uniq;
		1624	}
		1625
1612	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1613		1629
1614	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1615		1631
1616	$self->unlink_save;	1632	$self->unlink_save;
1617	$self->destroy;	1633	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1621		1637
1622	sub nuke {	1638	sub nuke {
1623	my ($self) = @_;	1639	my ($self) = @_;
1624		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1628	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1629	}	1654	}
1630		1655
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	1656	=item cf::map::unique_maps
1642		1657
1643	Returns an arrayref of cf::path's of all shared maps that have	1658	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1659	instantiated unique items. May block.
1645		1660
1646	=cut	1661	=cut
1647		1662
1648	sub unique_maps() {	1663	sub unique_maps() {
…		…
1654	for (@$files) {	1669	for (@$files) {
1655	utf8::decode $_;	1670	utf8::decode $_;
1656	next if /\.pst$/;	1671	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1672	next unless /^$PATH_SEP/o;
1658		1673
1659	push @paths, new cf::path $_;	1674	push @paths, cf::map::normalise $_;
1660	}	1675	}
1661		1676
1662	\@paths	1677	\@paths
1663	}	1678	}
1664		1679
…		…
1739		1754
1740	=item $player_object->enter_link	1755	=item $player_object->enter_link
1741		1756
1742	Freezes the player and moves him/her to a special map (C<{link}>).	1757	Freezes the player and moves him/her to a special map (C<{link}>).
1743		1758
1744	The player should be reaosnably safe there for short amounts of time. You	1759	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.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1746		1761
		1762	Will never block.
		1763
1747	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1748		1765
1749	Moves the player out of the specila link map onto the given map. If the	1766	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	1767	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,	1768	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1769	fails, to the emergency map position.
1753		1770
1754	Might block.	1771	Might block.
1755		1772
1756	=cut	1773	=cut
		1774
		1775	sub link_map {
		1776	unless ($LINK_MAP) {
		1777	$LINK_MAP = cf::map::find "{link}"
		1778	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1779	$LINK_MAP->load;
		1780	}
		1781
		1782	$LINK_MAP
		1783	}
1757		1784
1758	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1786	my ($self) = @_;
1760		1787
1761	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1762		1789
1763	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1791
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1793	if $self->map;
1767		1794
1768	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1796	}
1770		1797
1771	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1773		1800
…		…
1837	=cut	1864	=cut
1838		1865
1839	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1841		1868
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1869	$self->enter_link;
1845		1870
1846	(async {	1871	(async {
		1872	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1849		1875	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		1878
1855	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1880	})->prio (1);
1857	}	1881	}
1858		1882
…		…
1862		1886
1863	sub parse_random_map_params {	1887	sub parse_random_map_params {
1864	my ($spec) = @_;	1888	my ($spec) = @_;
1865		1889
1866	my $rmp = { # defaults	1890	my $rmp = { # defaults
1867	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1869	};	1895	};
1870		1896
1871	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1873		1899
…		…
1877	$rmp	1903	$rmp
1878	}	1904	}
1879		1905
1880	sub prepare_random_map {	1906	sub prepare_random_map {
1881	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1910
1883	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1913	# that depends on the exit object
1886		1914
1887	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1888		1916
1889	if ($exit->map) {	1917	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1894	}	1922	}
1895		1923
1896	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1897		1925
1898	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900		1929
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1903		1934
1904	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	1936	$exit->msg (undef);
1906	}	1937	}
1907	}	1938	}
1908		1939
1909	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1911		1942
1912	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1913		1953
1914	$self->enter_link;	1954	$self->enter_link;
1915		1955
1916	(async {	1956	(async {
1917	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	1958	unless (eval {
1919	prepare_random_map $exit	1959	$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		1960
1925	1;	1961	1;
1926	}) {	1962	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
…		…
1989	# get handled first	2025	# get handled first
1990	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2028
1993	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2031
1995	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1996		2033
1997	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2035	if (@$queue) {
…		…
2159	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
2160	using it, it should be unique.	2197	using it, it should be unique.
2161		2198
2162	=over 4	2199	=over 4
2163		2200
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	2201	=item $value = cf::db_get $family => $key
2171		2202
2172	Returns a single value from the database	2203	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		2204
2179	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2180		2206
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	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		2208
2192	=cut	2209	=cut
2193		2210
2194	our $DB;	2211	our $DB;
2195		2212
2196	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2197	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2198		2232
2199	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2200	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2201	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2202		2237
2203	my $pid;	2238	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	}	2239	};
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	},	2240	}
2251	);	2241	}
		2242	}
		2243
		2244	sub db_get($$) {
		2245	my $key = "$_[0]/$_[1]";
		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
		2255	sub db_put($$$) {
		2256	BDB::dbreq_pri 4;
		2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}	2258	}
2253		2259
2254	#############################################################################	2260	#############################################################################
2255	# the server's main()	2261	# the server's init and main functions
		2262
		2263	sub load_resources {
		2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2265	or die "unable to load regions file\n";#d#
		2266	}
2256		2267
2257	sub cfg_load {	2268	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
2259	or return;	2270	or return;
2260		2271
…		…
2273	};	2284	};
2274	warn $@ if $@;	2285	warn $@ if $@;
2275	}	2286	}
2276	}	2287	}
2277		2288
		2289	sub init {
		2290	load_resources;
		2291	}
		2292
2278	sub main {	2293	sub main {
2279	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2297	(async {
2282	async { Event::one_event };	2298	Event::one_event;
		2299	})->prio (Coro::PRIO_MAX);
2283	};	2300	};
2284		2301
2285	cfg_load;	2302	cfg_load;
2286	db_load;	2303	db_init;
2287	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
2288	Event::loop;	2307	Event::loop;
2289	}	2308	}
2290		2309
2291	#############################################################################	2310	#############################################################################
2292	# initialisation and cleanup	2311	# initialisation and cleanup
2293		2312
2294	# install some emergency cleanup handlers	2313	# install some emergency cleanup handlers
2295	BEGIN {	2314	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2315	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2316	Event->signal (
		2317	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2318	data => WF_AUTOCANCEL,
2299	signal => $signal,	2319	signal => $signal,
		2320	prio => 0,
2300	cb => sub {	2321	cb => sub {
2301	cf::cleanup "SIG$signal";	2322	cf::cleanup "SIG$signal";
2302	},	2323	},
2303	);	2324	);
2304	}	2325	}
2305	}	2326	}
…		…
2310	warn "enter emergency perl save\n";	2331	warn "enter emergency perl save\n";
2311		2332
2312	cf::sync_job {	2333	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2334	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2335	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2336	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2337	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2338	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2339	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2340	$pl->valid or next;
2320	$pl->save;	2341	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2347	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2348	$map->valid or next;
2328	$map->save;	2349	$map->save;
2329	}	2350	}
2330	warn "end emergency map save\n";	2351	warn "end emergency map save\n";
		2352
		2353	warn "begin emergency database checkpoint\n";
		2354	BDB::db_env_txn_checkpoint $DB_ENV;
		2355	warn "end emergency database checkpoint\n";
2331	};	2356	};
2332		2357
2333	warn "leave emergency perl save\n";	2358	warn "leave emergency perl save\n";
		2359	}
		2360
		2361	sub post_cleanup {
		2362	my ($make_core) = @_;
		2363
		2364	warn Carp::longmess "post_cleanup backtrace"
		2365	if $make_core;
2334	}	2366	}
2335		2367
2336	sub reload() {	2368	sub reload() {
2337	# can/must only be called in main	2369	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2340	return;	2372	return;
2341	}	2373	}
2342		2374
2343	warn "reloading...";	2375	warn "reloading...";
2344		2376
2345	my $guard = freeze_mainloop;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2346	cf::emergency_save;	2380	cf::emergency_save;
2347		2381
2348	eval {	2382	eval {
2349	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
2350		2384
2351	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2388	}
2355		2389
		2390	warn "syncing database to disk";
		2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
2356	# cancel all extension coros	2402	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2404	%EXT_CORO = ();
2359		2405
2360	# unload all extensions	2406	warn "removing commands";
2361	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2363	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2421	}
2365		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2366	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2430
2370	warn "removing <$k>";	2431	warn "... unloading $k";
2371	delete $INC{$k};	2432	delete $INC{$k};
2372		2433
2373	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2375		2436
…		…
2378	}	2439	}
2379		2440
2380	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2381	}	2442	}
2382		2443
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2447
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2396		2450
2397	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2452	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2400		2454
2401	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2402	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2403	require cf;	2458	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2460
2406	# load config and database again	2461	warn "loading config and database again";
2407	cf::cfg_load;	2462	cf::cfg_load;
2408	cf::db_load;
2409		2463
2410	# load extensions
2411	warn "load extensions";	2464	warn "loading extensions";
2412	cf::load_extensions;	2465	cf::load_extensions;
2413		2466
2414	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2415	warn "reattach";
2416	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2470	reattach $_ for values %MAP;
		2471
		2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "restarting server ticker";
		2476
		2477	$TICK_WATCHER->start;
2418	};	2478	};
2419		2479
2420	if ($@) {	2480	if ($@) {
2421	warn $@;	2481	warn $@;
2422	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2423	exit 1;	2483	exit 1;
2424	}	2484	}
2425		2485
2426	warn "reloaded successfully";	2486	warn "reloaded";
2427	};	2487	};
2428		2488
2429	#############################################################################	2489	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} = $LINK_MAP;
2470	}
2471
2472	register "<global>", __PACKAGE__;
2473		2490
2474	register_command "reload" => sub {	2491	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2476		2493
2477	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");	2495	$who->message ("reloading server.");
		2496
		2497	# doing reload synchronously and two reloads happen back-to-back,
		2498	# coro crashes during coro_state_free->destroy here.
		2499
		2500	$RELOAD_WATCHER ||= Event->timer (
		2501	reentrant => 0,
		2502	after => 0,
		2503	data => WF_AUTOCANCEL,
		2504	cb => sub {
2479	reload;	2505	reload;
2480	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2481	}	2509	}
2482	};	2510	};
2483		2511
2484	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2485		2515
2486	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2488	prio => 0,	2519	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2491	cb => sub {	2522	cb => sub {
		2523	if ($Coro::current != $Coro::main) {
		2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2525	unless ++$bug_warning > 10;
		2526	return;
		2527	}
		2528
		2529	$NOW = Event::time;
		2530
2492	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2533	$NEXT_TICK += $TICK;
2495		2534
2496	$WAIT_FOR_TICK->broadcast;	2535	$WAIT_FOR_TICK->broadcast;
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2537
		2538	Event::sweep;
		2539	Coro::cede_notself;
		2540
		2541	# my $AFTER = Event::time;
		2542	# warn $AFTER - $NOW;#d#
2498		2543
2499	# if we are delayed by four ticks or more, skip them all	2544	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2546
2502	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2504	},	2549	},
2505	);	2550	);
2506		2551
		2552	{
		2553	BDB::max_poll_time $TICK * 0.1;
		2554	$BDB_POLL_WATCHER = Event->io (
		2555	reentrant => 0,
		2556	fd => BDB::poll_fileno,
		2557	poll => 'r',
		2558	prio => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => \&BDB::poll_cb,
		2561	);
		2562	BDB::min_parallel 8;
		2563
		2564	BDB::set_sync_prepare {
		2565	my $status;
		2566	my $current = $Coro::current;
		2567	(
		2568	sub {
		2569	$status = $!;
		2570	$current->ready; undef $current;
		2571	},
		2572	sub {
		2573	Coro::schedule while defined $current;
		2574	$! = $status;
		2575	},
		2576	)
		2577	};
		2578
		2579	unless ($DB_ENV) {
		2580	$DB_ENV = BDB::db_env_create;
		2581
		2582	cf::sync_job {
		2583	eval {
		2584	BDB::db_env_open
		2585	$DB_ENV,
		2586	$BDB_ENV_DIR,
		2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2589	0666;
		2590
		2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2592
		2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2594	$DB_ENV->set_lk_detect;
		2595	};
		2596
		2597	cf::cleanup "db_env_open(db): $@" if $@;
		2598	};
		2599	}
		2600	}
		2601
		2602	{
		2603	IO::AIO::min_parallel 8;
		2604
		2605	undef $Coro::AIO::WATCHER;
2507	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2508		2607	$AIO_POLL_WATCHER = Event->io (
2509	Event->io (	2608	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2511	poll => 'r',	2610	poll => 'r',
2512	prio => 5,	2611	prio => 6,
2513	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2515	);	2614	);
		2615	}
2516		2616
2517	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2518	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2519	after => 0,	2620	after => 1,
2520	interval => 10,	2621	interval => 10,
2521	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2522	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2523	write_runtime	2624	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2525	})->();
2526	},	2626	},
2527	);	2627	);
2528		2628
2529	END { cf::emergency_save }	2629	END { cf::emergency_save }
2530		2630

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