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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.222 by root, Tue Mar 6 03:06:00 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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	55	our $NEXT_TICK;
46	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
47		61
48	our %CFG;	62	our %CFG;
49		63
50	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	65	our $RUNTIME;
52		66
53	our %PLAYER; # all users	67	our %PLAYER; # all users
54	our %MAP; # all maps	68	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	71	our $BDB_ENV_DIR = cf::localdir . "/db";
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	};
263	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
264	$guard	280	$guard
265	}	281	}
266		282
267	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
319	}	335	}
320	}	336	}
321		337
322	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
323		339
324	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	341	extension calling this is being unloaded.
326		342
327	=cut	343	=cut
328		344
329	sub async_ext(&) {	345	sub async_ext(&) {
…		…
338		354
339	$coro	355	$coro
340	}	356	}
341		357
342	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
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	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		389
490	#############################################################################	390	#############################################################################
491		391
492	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
493		393
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	520	our @CB_MAP = ();
621		521
622	my %attachment;	522	my %attachment;
623		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
624	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
626		532
627	use sort 'stable';	533	use sort 'stable';
628		534
…		…
799	# object support	705	# object support
800		706
801	sub reattach {	707	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		712
805	my $registry = $obj->registry;	713	my $registry = $obj->registry;
806		714
807	@$registry = ();	715	@$registry = ();
808		716
…		…
855	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
856		764
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	769	close $fh;
862		770
863	if (@$objs) {	771	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	777	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
871	}	779	}
872	} else {	780	} else {
873	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
940	=cut	848	=cut
941		849
942	sub register_extcmd {	850	sub register_extcmd {
943	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
944		852
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
949	}	854	}
950		855
951	cf::player->attach (	856	cf::player->attach (
952	on_command => sub {	857	on_command => sub {
953	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
966		871
967	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
968		873
969	if (ref $msg) {	874	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	878	}
974	}	879	}
975	} else {	880	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		883
979	cf::override;	884	cf::override;
980	},	885	},
981	);	886	);
982		887
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	888	sub load_extension {
990	my ($path) = @_;	889	my ($path) = @_;
991		890
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	892	my $base = $1;
994	my $pkg = $1;	893	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
997		896
998	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
999		898
1000	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	900	or die "$path: $!";
1002		901
1003	my $source =	902	my $source =
1004	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
1007	. "\n};\n1";	906	. "\n};\n1";
1008		907
1009	eval $source	908	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	910	: "extension disabled.\n";
1012		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	912	warn $@;
1014	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1015		914	exit 1;
1016	# no strict 'refs';	915	}
1017	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }	917	}
1032		918
1033	# remove commands	919	push @EXTS, $pkg;
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	920	}
1058		921
1059	sub load_extensions {	922	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	924	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1066	}	929	}
1067	}	930	}
1068		931
1069	#############################################################################	932	#############################################################################
1070	# load/save/clean perl data associated with a map
1071
1072	*cf::mapsupport::on_clean = sub {
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		933
1085	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1086		935
1087	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1088		937
…		…
1124		973
1125	sub exists($) {	974	sub exists($) {
1126	my ($login) = @_;	975	my ($login) = @_;
1127		976
1128	$cf::PLAYER{$login}	977	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	978	or cf::sync_job { !aio_stat path $login }
1130	}	979	}
1131		980
1132	sub find($) {	981	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	982	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	983	my $login = $_[0];
…		…
1180		1029
1181	=cut	1030	=cut
1182		1031
1183	sub quit_character {	1032	sub quit_character {
1184	my ($pl) = @_;	1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
1185		1036
1186	$pl->{deny_save} = 1;	1037	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1039
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1045	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1046	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1047	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1048	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
1199	IO::AIO::aio_rmtree $temp;	1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item $pl->kick
		1060
		1061	Kicks a player out of the game. This destroys the connection.
		1062
		1063	=cut
		1064
		1065	sub kick {
		1066	my ($pl, $kicker) = @_;
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1069	$pl->killer ("kicked");
		1070	$pl->ns->destroy;
1200	}	1071	}
1201		1072
1202	=item cf::player::list_logins	1073	=item cf::player::list_logins
1203		1074
1204	Returns am arrayref of all valid playernames in the system, can take a	1075	Returns am arrayref of all valid playernames in the system, can take a
…		…
1224	\@logins	1095	\@logins
1225	}	1096	}
1226		1097
1227	=item $player->maps	1098	=item $player->maps
1228		1099
1229	Returns an arrayref of cf::path's of all maps that are private for this	1100	Returns an arrayref of map paths that are private for this
1230	player. May block.	1101	player. May block.
1231		1102
1232	=cut	1103	=cut
1233		1104
1234	sub maps($) {	1105	sub maps($) {
1235	my ($pl) = @_;	1106	my ($pl) = @_;
		1107
		1108	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1109
1237	my $files = aio_readdir playerdir $pl	1110	my $files = aio_readdir playerdir $pl
1238	or return;	1111	or return;
1239		1112
1240	my @paths;	1113	my @paths;
1241		1114
1242	for (@$files) {	1115	for (@$files) {
1243	utf8::decode $_;	1116	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1117	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1118	next unless /^$PATH_SEP/o;
1246		1119
1247	s/$PATH_SEP/\//g;	1120	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1121	}
1250		1122
1251	\@paths	1123	\@paths
1252	}	1124	}
1253		1125
…		…
1279	package cf::map;	1151	package cf::map;
1280		1152
1281	use Fcntl;	1153	use Fcntl;
1282	use Coro::AIO;	1154	use Coro::AIO;
1283		1155
		1156	use overload
		1157	'""' => \&as_string,
		1158	fallback => 1;
		1159
1284	our $MAX_RESET = 3600;	1160	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1161	our $DEFAULT_RESET = 3000;
1286		1162
1287	sub generate_random_map {	1163	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1164	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1165	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1166	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1170	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1171	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1177	(cf::region::find $rmp->{region}), $rmp->{custom}
		1178	)
		1179	}
		1180
		1181	=item cf::map->register ($regex, $prio)
		1182
		1183	Register a handler for the map path matching the given regex at the
		1184	givne priority (higher is better, built-in handlers have priority 0, the
		1185	default).
		1186
		1187	=cut
		1188
		1189	sub register {
		1190	my (undef, $regex, $prio) = @_;
		1191	my $pkg = caller;
		1192
		1193	no strict;
		1194	push @{"$pkg\::ISA"}, __PACKAGE__;
		1195
		1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1197	}
		1198
		1199	# also paths starting with '/'
		1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1201
		1202	sub thawer_merge {
		1203	my ($self, $merge) = @_;
		1204
		1205	# we have to keep some variables in memory intact
		1206	local $self->{path};
		1207	local $self->{load_path};
		1208	local $self->{deny_save};
		1209	local $self->{deny_reset};
		1210
		1211	$self->SUPER::thawer_merge ($merge);
		1212	}
		1213
		1214	sub normalise {
		1215	my ($path, $base) = @_;
		1216
		1217	$path = "$path"; # make sure its a string
		1218
		1219	$path =~ s/\.map$//;
		1220
		1221	# map plan:
		1222	#
		1223	# /! non-realised random map exit (special hack!)
		1224	# {... are special paths that are not being touched
		1225	# ?xxx/... are special absolute paths
		1226	# ?random/... random maps
		1227	# /... normal maps
		1228	# ~user/... per-player map of a specific user
		1229
		1230	$path =~ s/$PATH_SEP/\//go;
		1231
		1232	# treat it as relative path if it starts with
		1233	# something that looks reasonable
		1234	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1235	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1236
		1237	$base =~ s{[^/]+/?$}{};
		1238	$path = "$base/$path";
		1239	}
		1240
		1241	for ($path) {
		1242	redo if s{//}{/};
		1243	redo if s{/\.?/}{/};
		1244	redo if s{/[^/]+/\.\./}{/};
		1245	}
		1246
		1247	$path
		1248	}
		1249
		1250	sub new_from_path {
		1251	my (undef, $path, $base) = @_;
		1252
		1253	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1254
		1255	$path = normalise $path, $base;
		1256
		1257	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1258	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1259	my $self = bless cf::map::new, $pkg;
		1260	$self->{path} = $path; $self->path ($path);
		1261	$self->init; # pass $1 etc.
		1262	return $self;
		1263	}
		1264	}
		1265
		1266	Carp::carp "unable to resolve path '$path' (base '$base').";
		1267	()
		1268	}
		1269
		1270	sub init {
		1271	my ($self) = @_;
		1272
		1273	$self
		1274	}
		1275
		1276	sub as_string {
		1277	my ($self) = @_;
		1278
		1279	"$self->{path}"
		1280	}
		1281
		1282	# the displayed name, this is a one way mapping
		1283	sub visible_name {
		1284	&as_string
		1285	}
		1286
		1287	# the original (read-only) location
		1288	sub load_path {
		1289	my ($self) = @_;
		1290
		1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1292	}
		1293
		1294	# the temporary/swap location
		1295	sub save_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1300	}
		1301
		1302	# the unique path, undef == no special unique path
		1303	sub uniq_path {
		1304	my ($self) = @_;
		1305
		1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1308	}
1305		1309
1306	# and all this just because we cannot iterate over	1310	# and all this just because we cannot iterate over
1307	# all maps in C++...	1311	# all maps in C++...
1308	sub change_all_map_light {	1312	sub change_all_map_light {
…		…
1310		1314
1311	$_->change_map_light ($change)	1315	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1316	for grep $_->outdoor, values %cf::MAP;
1313	}	1317	}
1314		1318
		1319	sub unlink_save {
		1320	my ($self) = @_;
		1321
		1322	utf8::encode (my $save = $self->save_path);
		1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1325	}
		1326
1315	sub try_load_header($) {	1327	sub load_header_from($) {
1316	my ($path) = @_;	1328	my ($self, $path) = @_;
1317		1329
1318	utf8::encode $path;	1330	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1331	#aio_open $path, O_RDONLY, 0
		1332	# or return;
		1333
		1334	$self->_load_header ($path)
1320	or return;	1335	or return;
1321		1336
1322	my $map = cf::map::new	1337	$self->{load_path} = $path;
		1338
		1339	1
		1340	}
		1341
		1342	sub load_header_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->load_path)
		1346	}
		1347
		1348	sub load_header_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->load_header_from ($self->save_path)
		1352	}
		1353
		1354	sub prepare_temp {
		1355	my ($self) = @_;
		1356
		1357	$self->last_access ((delete $self->{last_access})
		1358	|| $cf::RUNTIME); #d#
		1359	# safety
		1360	$self->{instantiate_time} = $cf::RUNTIME
		1361	if $self->{instantiate_time} > $cf::RUNTIME;
		1362	}
		1363
		1364	sub prepare_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->{load_original} = 1;
		1368	$self->{instantiate_time} = $cf::RUNTIME;
		1369	$self->last_access ($cf::RUNTIME);
		1370	$self->instantiate;
		1371	}
		1372
		1373	sub load_header {
		1374	my ($self) = @_;
		1375
		1376	if ($self->load_header_temp) {
		1377	$self->prepare_temp;
		1378	} else {
		1379	$self->load_header_orig
1323	or return;	1380	or return;
		1381	$self->prepare_orig;
		1382	}
1324		1383
1325	# for better error messages only, will be overwritten	1384	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1385	}
1335		1386
1336	sub find;	1387	sub find;
1337	sub find {	1388	sub find {
1338	my ($path, $origin) = @_;	1389	my ($path, $origin) = @_;
1339		1390
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1391	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1392
1345	cf::lock_wait "map_find:$key";	1393	cf::lock_wait "map_find:$path";
1346		1394
1347	$cf::MAP{$key} || do {	1395	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1396	my $guard = cf::lock_acquire "map_find:$path";
1349		1397	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1398	or return;
1369		1399
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1400	$map->{last_save} = $cf::RUNTIME;
1382		1401
1383	Coro::cede;	1402	$map->load_header
		1403	or return;
1384		1404
1385	if ($map->should_reset) {	1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1406	# doing this can freeze the server in a sync job, obviously
		1407	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1408	$map->reset;
1387	undef $guard;	1409	undef $guard;
1388	$map = find $path	1410	return find $path;
1389	or return;
1390	}	1411	}
1391		1412
1392	$cf::MAP{$key} = $map	1413	$cf::MAP{$path} = $map
1393	}	1414	}
1394	}	1415	}
		1416
		1417	sub pre_load { }
		1418	sub post_load { }
1395		1419
1396	sub load {	1420	sub load {
1397	my ($self) = @_;	1421	my ($self) = @_;
1398		1422
		1423	local $self->{deny_reset} = 1; # loading can take a long time
		1424
1399	my $path = $self->{path};	1425	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1426	my $guard = cf::lock_acquire "map_load:$path";
1401		1427
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1428	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1429
1404	$self->in_memory (cf::MAP_LOADING);	1430	$self->in_memory (cf::MAP_LOADING);
1405		1431
1406	$self->alloc;	1432	$self->alloc;
		1433
		1434	$self->pre_load;
		1435
1407	$self->load_objects ($self->{load_path}, 1)	1436	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1437	or return;
1409		1438
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1440	if delete $self->{load_original};
1412		1441
1413	if (my $uniq = $path->uniq_path) {	1442	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1443	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1444	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1445	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1446	$self->_load_objects ($uniq, 0);
1418	}	1447	}
1419	}	1448	}
1420		1449
1421	Coro::cede;	1450	Coro::cede;
1422		1451
1423	# now do the right thing for maps	1452	# now do the right thing for maps
1424	$self->link_multipart_objects;	1453	$self->link_multipart_objects;
1425		1454
1426	if ($self->{path}->is_style_map) {	1455	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1456	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1457	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1458	$self->update_buttons;
		1459	Coro::cede;
1433	$self->set_darkness_map;	1460	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1461	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1462	unless $self->difficulty;
		1463	Coro::cede;
1436	$self->activate;	1464	$self->activate;
1437	}	1465	}
1438		1466
1439	Coro::cede;	1467	$self->post_load;
1440		1468
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1469	$self->in_memory (cf::MAP_IN_MEMORY);
		1470	}
		1471
		1472	sub customise_for {
		1473	my ($self, $ob) = @_;
		1474
		1475	return find "~" . $ob->name . "/" . $self->{path}
		1476	if $self->per_player;
		1477
		1478	$self
		1479	}
		1480
		1481	# find and load all maps in the 3x3 area around a map
		1482	sub load_diag {
		1483	my ($map) = @_;
		1484
		1485	my @diag; # diagonal neighbours
		1486
		1487	for (0 .. 3) {
		1488	my $neigh = $map->tile_path ($_)
		1489	or next;
		1490	$neigh = find $neigh, $map
		1491	or next;
		1492	$neigh->load;
		1493
		1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1496	}
		1497
		1498	for (@diag) {
		1499	my $neigh = find @$_
		1500	or next;
		1501	$neigh->load;
		1502	}
1442	}	1503	}
1443		1504
1444	sub find_sync {	1505	sub find_sync {
1445	my ($path, $origin) = @_;	1506	my ($path, $origin) = @_;
1446		1507
1447	cf::sync_job { cf::map::find $path, $origin }	1508	cf::sync_job { find $path, $origin }
1448	}	1509	}
1449		1510
1450	sub do_load_sync {	1511	sub do_load_sync {
1451	my ($map) = @_;	1512	my ($map) = @_;
1452		1513
1453	cf::sync_job { $map->load };	1514	cf::sync_job { $map->load };
1454	}	1515	}
1455		1516
		1517	our %MAP_PREFETCH;
		1518	our $MAP_PREFETCHER = undef;
		1519
		1520	sub find_async {
		1521	my ($path, $origin) = @_;
		1522
		1523	$path = normalise $path, $origin && $origin->{path};
		1524
		1525	if (my $map = $cf::MAP{$path}) {
		1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1527	}
		1528
		1529	undef $MAP_PREFETCH{$path};
		1530	$MAP_PREFETCHER ||= cf::async {
		1531	while (%MAP_PREFETCH) {
		1532	for my $path (keys %MAP_PREFETCH) {
		1533	my $map = find $path
		1534	or next;
		1535	$map->load;
		1536
		1537	delete $MAP_PREFETCH{$path};
		1538	}
		1539	}
		1540	undef $MAP_PREFETCHER;
		1541	};
		1542	$MAP_PREFETCHER->prio (6);
		1543
		1544	()
		1545	}
		1546
1456	sub save {	1547	sub save {
1457	my ($self) = @_;	1548	my ($self) = @_;
1458		1549
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1551
1461	$self->{last_save} = $cf::RUNTIME;	1552	$self->{last_save} = $cf::RUNTIME;
1462		1553
1463	return unless $self->dirty;	1554	return unless $self->dirty;
1464		1555
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1556	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1557	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1558
1468	$self->{load_path} = $save;	1559	$self->{load_path} = $save;
1469		1560
1470	return if $self->{deny_save};	1561	return if $self->{deny_save};
1471		1562
…		…
1474	cf::async {	1565	cf::async {
1475	$_->contr->save for $self->players;	1566	$_->contr->save for $self->players;
1476	};	1567	};
1477		1568
1478	if ($uniq) {	1569	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1572	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1574	}
1484	}	1575	}
1485		1576
1486	sub swap_out {	1577	sub swap_out {
1487	my ($self) = @_;	1578	my ($self) = @_;
…		…
1501		1592
1502	sub reset_at {	1593	sub reset_at {
1503	my ($self) = @_;	1594	my ($self) = @_;
1504		1595
1505	# TODO: safety, remove and allow resettable per-player maps	1596	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1598	return 1e99 if $self->{deny_reset};
1508		1599
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1602
…		…
1516	my ($self) = @_;	1607	my ($self) = @_;
1517		1608
1518	$self->reset_at <= $cf::RUNTIME	1609	$self->reset_at <= $cf::RUNTIME
1519	}	1610	}
1520		1611
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1612	sub reset {
1543	my ($self) = @_;	1613	my ($self) = @_;
1544		1614
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1615	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1616
1547	return if $self->players;	1617	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1618	return if $self->isa ("ext::map_per_player");#d#
1549		1619
1550	warn "resetting map ", $self->path;#d#	1620	warn "resetting map ", $self->path;#d#
1551		1621
		1622	$self->in_memory (cf::MAP_SWAPPED);
		1623
		1624	# need to save uniques path
		1625	unless ($self->{deny_save}) {
		1626	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1627
		1628	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1629	if $uniq;
		1630	}
		1631
1552	delete $cf::MAP{$self->path};	1632	delete $cf::MAP{$self->path};
		1633
		1634	$self->clear;
1553		1635
1554	$_->clear_links_to ($self) for values %cf::MAP;	1636	$_->clear_links_to ($self) for values %cf::MAP;
1555		1637
1556	$self->unlink_save;	1638	$self->unlink_save;
1557	$self->destroy;	1639	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1642	my $nuke_counter = "aaaa";
1561		1643
1562	sub nuke {	1644	sub nuke {
1563	my ($self) = @_;	1645	my ($self) = @_;
1564		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->unlink_save;
		1650
		1651	bless $self, "cf::map";
		1652	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1653	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1654	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1656
		1657	$cf::MAP{$self->path} = $self;
		1658
1568	$self->reset; # polite request, might not happen	1659	$self->reset; # polite request, might not happen
1569	}	1660	}
1570		1661
1571	sub customise_for {	1662	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1663
1574	if ($map->per_player) {	1664	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1665	instantiated unique items. May block.
1576	}
1577		1666
1578	$map	1667	=cut
		1668
		1669	sub unique_maps() {
		1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1671	or return;
		1672
		1673	my @paths;
		1674
		1675	for (@$files) {
		1676	utf8::decode $_;
		1677	next if /\.pst$/;
		1678	next unless /^$PATH_SEP/o;
		1679
		1680	push @paths, cf::map::normalise $_;
		1681	}
		1682
		1683	\@paths
1579	}	1684	}
1580		1685
1581	package cf;	1686	package cf;
1582		1687
1583	=back	1688	=back
…		…
1655		1760
1656	=item $player_object->enter_link	1761	=item $player_object->enter_link
1657		1762
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1763	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1764
1660	The player should be reaosnably safe there for short amounts of time. You	1765	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	1766	I<MUST> call C<leave_link> as soon as possible, though.
1662		1767
		1768	Will never block.
		1769
1663	=item $player_object->leave_link ($map, $x, $y)	1770	=item $player_object->leave_link ($map, $x, $y)
1664		1771
1665	Moves the player out of the specila link map onto the given map. If the	1772	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1773	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1774	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1775	fails, to the emergency map position.
1669		1776
1670	Might block.	1777	Might block.
1671		1778
1672	=cut	1779	=cut
		1780
		1781	sub link_map {
		1782	unless ($LINK_MAP) {
		1783	$LINK_MAP = cf::map::find "{link}"
		1784	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1785	$LINK_MAP->load;
		1786	}
		1787
		1788	$LINK_MAP
		1789	}
1673		1790
1674	sub cf::object::player::enter_link {	1791	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1792	my ($self) = @_;
1676		1793
1677	$self->deactivate_recursive;	1794	$self->deactivate_recursive;
1678		1795
1679	return if $self->map == $LINK_MAP;	1796	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1797
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1799	if $self->map;
1683		1800
1684	$self->enter_map ($LINK_MAP, 20, 20);	1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1802	}
1686		1803
1687	sub cf::object::player::leave_link {	1804	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1805	my ($self, $map, $x, $y) = @_;
1689		1806
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1824	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1825	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1826	if $x <=0 && $y <= 0;
1710		1827
1711	$map->load;	1828	$map->load;
		1829	$map->load_diag;
1712		1830
1713	return unless $self->contr->active;	1831	return unless $self->contr->active;
1714	$self->activate_recursive;	1832	$self->activate_recursive;
		1833
		1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1835	$self->enter_map ($map, $x, $y);
1716	}	1836	}
1717		1837
1718	cf::player->attach (	1838	cf::player->attach (
1719	on_logout => sub {	1839	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1852	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1853	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1854	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1855	$pl->ob->enter_link;
1736	(async {	1856	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,	1857	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1858	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1859	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1860	cf::NDI_RED);
		1861	# we need this sleep as the login has a concurrent enter_exit running
		1862	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1863	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1864	$pl->ob->leave_link;
1745	})->prio (2);	1865	})->prio (2);
1746	}	1866	}
1747	},	1867	},
…		…
1752	=cut	1872	=cut
1753		1873
1754	sub cf::object::player::goto {	1874	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1875	my ($self, $path, $x, $y) = @_;
1756		1876
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1877	$self->enter_link;
1761		1878
1762	(async {	1879	(async {
		1880	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1881	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1882	$map = $map->customise_for ($self) if $map;
1765		1883	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1884	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1886
1771	$self->leave_link ($map, $x, $y);	1887	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1888	})->prio (1);
1773	}	1889	}
1774		1890
…		…
1778		1894
1779	sub parse_random_map_params {	1895	sub parse_random_map_params {
1780	my ($spec) = @_;	1896	my ($spec) = @_;
1781		1897
1782	my $rmp = { # defaults	1898	my $rmp = { # defaults
1783	xsize => 10,	1899	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1900	ysize => (cf::rndm 15, 40),
		1901	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1902	#layout => string,
1785	};	1903	};
1786		1904
1787	for (split /\n/, $spec) {	1905	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1906	my ($k, $v) = split /\s+/, $_, 2;
1789		1907
…		…
1793	$rmp	1911	$rmp
1794	}	1912	}
1795		1913
1796	sub prepare_random_map {	1914	sub prepare_random_map {
1797	my ($exit) = @_;	1915	my ($exit) = @_;
		1916
		1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1918
1799	# all this does is basically replace the /! path by	1919	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1920	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1921	# that depends on the exit object
1802		1922
1803	my $rmp = parse_random_map_params $exit->msg;	1923	my $rmp = parse_random_map_params $exit->msg;
1804		1924
1805	if ($exit->map) {	1925	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1926	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	1927	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	1928	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	1929	$rmp->{origin_y} = $exit->y;
1810	}	1930	}
1811		1931
1812	$rmp->{random_seed} ||= $exit->random_seed;	1932	$rmp->{random_seed} ||= $exit->random_seed;
1813		1933
1814	my $data = cf::to_json $rmp;	1934	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	1935	my $md5 = Digest::MD5::md5_hex $data;
		1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816		1937
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	1939	aio_write $fh, 0, (length $data), $data, 0;
		1940	undef $fh;
		1941	aio_rename "$meta~", $meta;
1819		1942
1820	$exit->slaying ("?random/$md5");	1943	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	1944	$exit->msg (undef);
1822	}	1945	}
1823	}	1946	}
1824		1947
1825	sub cf::object::player::enter_exit {	1948	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	1949	my ($self, $exit) = @_;
1827		1950
1828	return unless $self->type == cf::PLAYER;	1951	return unless $self->type == cf::PLAYER;
		1952
		1953	if ($exit->slaying eq "/!") {
		1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1955	cf::sync_job { prepare_random_map $exit };
		1956	}
		1957
		1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1959	my $hp = $exit->stats->hp;
		1960	my $sp = $exit->stats->sp;
1829		1961
1830	$self->enter_link;	1962	$self->enter_link;
1831		1963
1832	(async {	1964	(async {
1833	$self->deactivate_recursive; # just to be sure	1965	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	1966	unless (eval {
1835	prepare_random_map $exit	1967	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		1968
1841	1;	1969	1;
1842	}) {	1970	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	1971	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	1972	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	1973	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	1974	cf::NDI_UNIQUE | cf::NDI_RED);
1847		1975
1848	warn "ERROR in enter_exit: $@";	1976	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	1977	$self->leave_link;
1850	}	1978	}
…		…
1905	# get handled first	2033	# get handled first
1906	my $queue = delete $ns->{query_queue}	2034	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2035	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2036
1909	(shift @$queue)->[1]->($msg);	2037	(shift @$queue)->[1]->($msg);
		2038	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2039
1911	push @{ $ns->{query_queue} }, @$queue;	2040	push @{ $ns->{query_queue} }, @$queue;
1912		2041
1913	if (@{ $ns->{query_queue} } == @$queue) {	2042	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2043	if (@$queue) {
…		…
2075	The parameter C<$family> should best start with the name of the extension	2204	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2205	using it, it should be unique.
2077		2206
2078	=over 4	2207	=over 4
2079		2208
2080	=item $hashref = cf::db_get $family
2081
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key	2209	=item $value = cf::db_get $family => $key
2087		2210
2088	Returns a single value from the database	2211	Returns a single value from the database.
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094		2212
2095	=item cf::db_put $family => $key => $value	2213	=item cf::db_put $family => $key => $value
2096		2214
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2215	Stores the given C<$value> in the family.
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107		2216
2108	=cut	2217	=cut
2109		2218
2110	our $DB;	2219	our $DB;
2111		2220
2112	{	2221	sub db_init {
		2222	unless ($DB) {
		2223	$DB = BDB::db_create $DB_ENV;
		2224
		2225	cf::sync_job {
		2226	eval {
		2227	$DB->set_flags (BDB::CHKSUM);
		2228
		2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2231	cf::cleanup "db_open(db): $!" if $!;
		2232	};
		2233	cf::cleanup "db_open(db): $@" if $@;
		2234	};
		2235
2113	my $path = cf::localdir . "/database.pst";	2236	my $path = cf::localdir . "/database.pst";
		2237	if (stat $path) {
		2238	cf::sync_job {
		2239	my $pst = Storable::retrieve $path;
2114		2240
2115	sub db_load() {	2241	cf::db_put (board => data => $pst->{board});
2116	$DB = stat $path ? Storable::retrieve $path : { };	2242	cf::db_put (guildrules => data => $pst->{guildrules});
2117	}	2243	cf::db_put (rent => balance => $pst->{rent}{balance});
		2244	BDB::db_env_txn_checkpoint $DB_ENV;
2118		2245
2119	my $pid;	2246	unlink $path;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}	2247	};
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});
2141
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {
2148	@_ >= 2
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152
2153	sub db_put($$;$) {
2154	if (@_ >= 3) {
2155	$DB->{$_[0]}{$_[1]} = $_[2];
2156	} else {
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161
2162	cf::global->attach (
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	2248	}
2167	);	2249	}
		2250	}
		2251
		2252	sub db_get($$) {
		2253	my $key = "$_[0]/$_[1]";
		2254
		2255	cf::sync_job {
		2256	BDB::db_get $DB, undef, $key, my $data;
		2257
		2258	$! ? ()
		2259	: Compress::LZF::sthaw $data
		2260	}
		2261	}
		2262
		2263	sub db_put($$$) {
		2264	BDB::dbreq_pri 4;
		2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2168	}	2266	}
2169		2267
2170	#############################################################################	2268	#############################################################################
2171	# the server's main()	2269	# the server's init and main functions
		2270
		2271	sub init_resources {
		2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2273	or die "unable to load regions file\n";#d#
		2274	}
2172		2275
2173	sub cfg_load {	2276	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
2175	or return;	2278	or return;
2176		2279
…		…
2189	};	2292	};
2190	warn $@ if $@;	2293	warn $@ if $@;
2191	}	2294	}
2192	}	2295	}
2193		2296
		2297	sub init {
		2298	init_resources;
		2299	}
		2300
2194	sub main {	2301	sub main {
2195	# we must not ever block the main coroutine	2302	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2303	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2305	(async {
2198	async { Event::one_event };	2306	Event::one_event;
		2307	})->prio (Coro::PRIO_MAX);
2199	};	2308	};
2200		2309
2201	cfg_load;	2310	cfg_load;
2202	db_load;	2311	db_init;
2203	load_extensions;	2312	load_extensions;
		2313
		2314	$TICK_WATCHER->start;
2204	Event::loop;	2315	Event::loop;
2205	}	2316	}
2206		2317
2207	#############################################################################	2318	#############################################################################
2208	# initialisation and cleanup	2319	# initialisation and cleanup
2209		2320
2210	# install some emergency cleanup handlers	2321	# install some emergency cleanup handlers
2211	BEGIN {	2322	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2323	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2324	Event->signal (
		2325	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2326	data => WF_AUTOCANCEL,
2215	signal => $signal,	2327	signal => $signal,
		2328	prio => 0,
2216	cb => sub {	2329	cb => sub {
2217	cf::cleanup "SIG$signal";	2330	cf::cleanup "SIG$signal";
2218	},	2331	},
2219	);	2332	);
2220	}	2333	}
2221	}	2334	}
…		…
2226	warn "enter emergency perl save\n";	2339	warn "enter emergency perl save\n";
2227		2340
2228	cf::sync_job {	2341	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2342	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2343	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2344	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2345	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2346	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2347	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2348	$pl->valid or next;
2236	$pl->save;	2349	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2355	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2356	$map->valid or next;
2244	$map->save;	2357	$map->save;
2245	}	2358	}
2246	warn "end emergency map save\n";	2359	warn "end emergency map save\n";
		2360
		2361	warn "begin emergency database checkpoint\n";
		2362	BDB::db_env_txn_checkpoint $DB_ENV;
		2363	warn "end emergency database checkpoint\n";
2247	};	2364	};
2248		2365
2249	warn "leave emergency perl save\n";	2366	warn "leave emergency perl save\n";
		2367	}
		2368
		2369	sub post_cleanup {
		2370	my ($make_core) = @_;
		2371
		2372	warn Carp::longmess "post_cleanup backtrace"
		2373	if $make_core;
2250	}	2374	}
2251		2375
2252	sub reload() {	2376	sub reload() {
2253	# can/must only be called in main	2377	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2378	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2379	warn "can only reload from main coroutine";
2256	return;	2380	return;
2257	}	2381	}
2258		2382
2259	warn "reloading...";	2383	warn "reloading...";
2260		2384
2261	my $guard = freeze_mainloop;	2385	warn "entering sync_job";
		2386
		2387	cf::sync_job {
		2388	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2389	cf::emergency_save;
		2390	cf::write_runtime; # external watchdog should not bark
2263		2391
2264	eval {	2392	warn "syncing database to disk";
		2393	BDB::db_env_txn_checkpoint $DB_ENV;
		2394
2265	# if anything goes wrong in here, we should simply crash as we already saved	2395	# if anything goes wrong in here, we should simply crash as we already saved
2266		2396
2267	# cancel all watchers	2397	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2398	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2400	}
2271		2401
		2402	warn "flushing outstanding aio requests";
		2403	for (;;) {
		2404	BDB::flush;
		2405	IO::AIO::flush;
		2406	Coro::cede;
		2407	last unless IO::AIO::nreqs || BDB::nreqs;
		2408	warn "iterate...";
		2409	}
		2410
2272	# cancel all extension coros	2411	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2412	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2413	%EXT_CORO = ();
2275		2414
2276	# unload all extensions	2415	warn "removing commands";
2277	for (@exts) {	2416	%COMMAND = ();
		2417
		2418	warn "removing ext commands";
		2419	%EXTCMD = ();
		2420
		2421	warn "unloading/nuking all extensions";
		2422	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2423	warn "... unloading $pkg";
2279	unload_extension $_;	2424
		2425	if (my $cb = $pkg->can ("unload")) {
		2426	eval {
		2427	$cb->($pkg);
		2428	1
		2429	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2430	}
2281		2431
		2432	warn "... nuking $pkg";
		2433	Symbol::delete_package $pkg;
		2434	}
		2435
2282	# unload all modules loaded from $LIBDIR	2436	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2437	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2439
2286	warn "removing <$k>";	2440	warn "... unloading $k";
2287	delete $INC{$k};	2441	delete $INC{$k};
2288		2442
2289	$k =~ s/\.pm$//;	2443	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2444	$k =~ s/\//::/g;
2291		2445
…		…
2294	}	2448	}
2295		2449
2296	Symbol::delete_package $k;	2450	Symbol::delete_package $k;
2297	}	2451	}
2298		2452
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2453	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2454	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2456
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2457	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2458	delete $INC{"cf.pm"};
2312		2459
2313	# don't, removes xs symbols, too,	2460	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2461	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2462	#Symbol::delete_package __PACKAGE__;
2316		2463
2317	# reload cf.pm	2464	warn "unload completed, starting to reload now";
		2465
2318	warn "reloading cf.pm";	2466	warn "reloading cf.pm";
2319	require cf;	2467	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2469
2322	# load config and database again	2470	warn "loading config and database again";
2323	cf::cfg_load;	2471	cf::cfg_load;
2324	cf::db_load;
2325		2472
2326	# load extensions
2327	warn "load extensions";	2473	warn "loading extensions";
2328	cf::load_extensions;	2474	cf::load_extensions;
2329		2475
2330	# reattach attachments to objects	2476	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2477	_global_reattach; # objects, sockets
2332	_global_reattach;	2478	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2479	reattach $_ for values %MAP;
2334	};	2480	warn "reattaching attachments to players";
		2481	reattach $_ for values %PLAYER;
2335		2482
2336	if ($@) {	2483	warn "loading reloadable resources";
		2484	init_resources;
		2485
		2486	warn "leaving sync_job";
		2487
		2488	1
		2489	} or do {
2337	warn $@;	2490	warn $@;
2338	warn "error while reloading, exiting.";	2491	warn "error while reloading, exiting.";
2339	exit 1;	2492	exit 1;
2340	}	2493	};
2341		2494
2342	warn "reloaded successfully";	2495	warn "reloaded";
2343	};	2496	};
2344		2497
2345	#############################################################################	2498	our $RELOAD_WATCHER; # used only during reload
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}
2387
2388	register "<global>", __PACKAGE__;
2389		2499
2390	register_command "reload" => sub {	2500	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2501	my ($who, $arg) = @_;
2392		2502
2393	if ($who->flag (FLAG_WIZ)) {	2503	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");	2504	$who->message ("reloading server.");
		2505
		2506	# doing reload synchronously and two reloads happen back-to-back,
		2507	# coro crashes during coro_state_free->destroy here.
		2508
		2509	$RELOAD_WATCHER ||= Event->timer (
		2510	reentrant => 0,
		2511	after => 0,
		2512	data => WF_AUTOCANCEL,
		2513	cb => sub {
2395	reload;	2514	reload;
2396	$who->message ("end of reload.");	2515	undef $RELOAD_WATCHER;
		2516	},
		2517	);
2397	}	2518	}
2398	};	2519	};
2399		2520
2400	unshift @INC, $LIBDIR;	2521	unshift @INC, $LIBDIR;
		2522
		2523	my $bug_warning = 0;
2401		2524
2402	$TICK_WATCHER = Event->timer (	2525	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2526	reentrant => 0,
		2527	parked => 1,
2404	prio => 0,	2528	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2529	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2530	data => WF_AUTOCANCEL,
2407	cb => sub {	2531	cb => sub {
		2532	if ($Coro::current != $Coro::main) {
		2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2534	unless ++$bug_warning > 10;
		2535	return;
		2536	}
		2537
		2538	$NOW = Event::time;
		2539
2408	cf::server_tick; # one server iteration	2540	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;	2541	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2542	$NEXT_TICK += $TICK;
2411		2543
		2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2545	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2546	Coro::async_pool {
		2547	write_runtime
		2548	or warn "ERROR: unable to write runtime file: $!";
		2549	};
		2550	}
		2551
2412	$WAIT_FOR_TICK->broadcast;	2552	$WAIT_FOR_TICK->broadcast;
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2554
		2555	# my $AFTER = Event::time;
		2556	# warn $AFTER - $NOW;#d#
2414		2557
2415	# if we are delayed by four ticks or more, skip them all	2558	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2560
2418	$TICK_WATCHER->at ($NEXT_TICK);	2561	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2562	$TICK_WATCHER->start;
2420	},	2563	},
2421	);	2564	);
2422		2565
		2566	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2567	BDB::max_poll_time $TICK * 0.1;
2424		2568	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2569	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2570	fd => BDB::poll_fileno,
2427	poll => 'r',	2571	poll => 'r',
2428	prio => 5,	2572	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2435	after => 0,	2574	cb => \&BDB::poll_cb,
2436	interval => 10,	2575	);
2437	cb => sub {	2576	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2577
2439	write_runtime	2578	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2579	my $status;
		2580	my $current = $Coro::current;
		2581	(
		2582	sub {
		2583	$status = $!;
		2584	$current->ready; undef $current;
		2585	},
		2586	sub {
		2587	Coro::schedule while defined $current;
		2588	$! = $status;
		2589	},
		2590	)
		2591	};
		2592
		2593	unless ($DB_ENV) {
		2594	$DB_ENV = BDB::db_env_create;
		2595
		2596	cf::sync_job {
		2597	eval {
		2598	BDB::db_env_open
		2599	$DB_ENV,
		2600	$BDB_ENV_DIR,
		2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2603	0666;
		2604
		2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2606
		2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2608	$DB_ENV->set_lk_detect;
		2609	};
		2610
		2611	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2612	};
2442	},	2613	}
2443	);	2614	}
		2615
		2616	{
		2617	IO::AIO::min_parallel 8;
		2618
		2619	undef $Coro::AIO::WATCHER;
		2620	IO::AIO::max_poll_time $TICK * 0.1;
		2621	$AIO_POLL_WATCHER = Event->io (
		2622	reentrant => 0,
		2623	data => WF_AUTOCANCEL,
		2624	fd => IO::AIO::poll_fileno,
		2625	poll => 'r',
		2626	prio => 6,
		2627	cb => \&IO::AIO::poll_cb,
		2628	);
		2629	}
2444		2630
2445	END { cf::emergency_save }	2631	END { cf::emergency_save }
2446		2632
2447	1	2633	1
2448		2634

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