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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 1.220 by root, Sat Feb 17 23:54:35 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;
1200	}	1057	}
1201		1058
1202	=item cf::player::list_logins	1059	=item cf::player::list_logins
1203		1060
…		…
1224	\@logins	1081	\@logins
1225	}	1082	}
1226		1083
1227	=item $player->maps	1084	=item $player->maps
1228		1085
1229	Returns an arrayref of cf::path's of all maps that are private for this	1086	Returns an arrayref of map paths that are private for this
1230	player. May block.	1087	player. May block.
1231		1088
1232	=cut	1089	=cut
1233		1090
1234	sub maps($) {	1091	sub maps($) {
1235	my ($pl) = @_;	1092	my ($pl) = @_;
		1093
		1094	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1095
1237	my $files = aio_readdir playerdir $pl	1096	my $files = aio_readdir playerdir $pl
1238	or return;	1097	or return;
1239		1098
1240	my @paths;	1099	my @paths;
1241		1100
1242	for (@$files) {	1101	for (@$files) {
1243	utf8::decode $_;	1102	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1103	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1104	next unless /^$PATH_SEP/o;
1246		1105
1247	s/$PATH_SEP/\//g;	1106	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1107	}
1250		1108
1251	\@paths	1109	\@paths
1252	}	1110	}
1253		1111
…		…
1279	package cf::map;	1137	package cf::map;
1280		1138
1281	use Fcntl;	1139	use Fcntl;
1282	use Coro::AIO;	1140	use Coro::AIO;
1283		1141
		1142	use overload
		1143	'""' => \&as_string,
		1144	fallback => 1;
		1145
1284	our $MAX_RESET = 3600;	1146	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1147	our $DEFAULT_RESET = 3000;
1286		1148
1287	sub generate_random_map {	1149	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1150	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1151	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1152	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1156	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1157	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1160	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1161	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1163	(cf::region::find $rmp->{region}), $rmp->{custom}
		1164	)
		1165	}
		1166
		1167	=item cf::map->register ($regex, $prio)
		1168
		1169	Register a handler for the map path matching the given regex at the
		1170	givne priority (higher is better, built-in handlers have priority 0, the
		1171	default).
		1172
		1173	=cut
		1174
		1175	sub register {
		1176	my (undef, $regex, $prio) = @_;
		1177	my $pkg = caller;
		1178
		1179	no strict;
		1180	push @{"$pkg\::ISA"}, __PACKAGE__;
		1181
		1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1183	}
		1184
		1185	# also paths starting with '/'
		1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1187
		1188	sub thawer_merge {
		1189	my ($self, $merge) = @_;
		1190
		1191	# we have to keep some variables in memory intact
		1192	local $self->{path};
		1193	local $self->{load_path};
		1194	local $self->{deny_save};
		1195	local $self->{deny_reset};
		1196
		1197	$self->SUPER::thawer_merge ($merge);
		1198	}
		1199
		1200	sub normalise {
		1201	my ($path, $base) = @_;
		1202
		1203	$path = "$path"; # make sure its a string
		1204
		1205	$path =~ s/\.map$//;
		1206
		1207	# map plan:
		1208	#
		1209	# /! non-realised random map exit (special hack!)
		1210	# {... are special paths that are not being touched
		1211	# ?xxx/... are special absolute paths
		1212	# ?random/... random maps
		1213	# /... normal maps
		1214	# ~user/... per-player map of a specific user
		1215
		1216	$path =~ s/$PATH_SEP/\//go;
		1217
		1218	# treat it as relative path if it starts with
		1219	# something that looks reasonable
		1220	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1221	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1222
		1223	$base =~ s{[^/]+/?$}{};
		1224	$path = "$base/$path";
		1225	}
		1226
		1227	for ($path) {
		1228	redo if s{//}{/};
		1229	redo if s{/\.?/}{/};
		1230	redo if s{/[^/]+/\.\./}{/};
		1231	}
		1232
		1233	$path
		1234	}
		1235
		1236	sub new_from_path {
		1237	my (undef, $path, $base) = @_;
		1238
		1239	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1240
		1241	$path = normalise $path, $base;
		1242
		1243	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1244	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1245	my $self = bless cf::map::new, $pkg;
		1246	$self->{path} = $path; $self->path ($path);
		1247	$self->init; # pass $1 etc.
		1248	return $self;
		1249	}
		1250	}
		1251
		1252	Carp::carp "unable to resolve path '$path' (base '$base').";
		1253	()
		1254	}
		1255
		1256	sub init {
		1257	my ($self) = @_;
		1258
		1259	$self
		1260	}
		1261
		1262	sub as_string {
		1263	my ($self) = @_;
		1264
		1265	"$self->{path}"
		1266	}
		1267
		1268	# the displayed name, this is a one way mapping
		1269	sub visible_name {
		1270	&as_string
		1271	}
		1272
		1273	# the original (read-only) location
		1274	sub load_path {
		1275	my ($self) = @_;
		1276
		1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1278	}
		1279
		1280	# the temporary/swap location
		1281	sub save_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1286	}
		1287
		1288	# the unique path, undef == no special unique path
		1289	sub uniq_path {
		1290	my ($self) = @_;
		1291
		1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1294	}
1305		1295
1306	# and all this just because we cannot iterate over	1296	# and all this just because we cannot iterate over
1307	# all maps in C++...	1297	# all maps in C++...
1308	sub change_all_map_light {	1298	sub change_all_map_light {
…		…
1310		1300
1311	$_->change_map_light ($change)	1301	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1302	for grep $_->outdoor, values %cf::MAP;
1313	}	1303	}
1314		1304
		1305	sub unlink_save {
		1306	my ($self) = @_;
		1307
		1308	utf8::encode (my $save = $self->save_path);
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1311	}
		1312
1315	sub try_load_header($) {	1313	sub load_header_from($) {
1316	my ($path) = @_;	1314	my ($self, $path) = @_;
1317		1315
1318	utf8::encode $path;	1316	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1317	#aio_open $path, O_RDONLY, 0
		1318	# or return;
		1319
		1320	$self->_load_header ($path)
1320	or return;	1321	or return;
1321		1322
1322	my $map = cf::map::new	1323	$self->{load_path} = $path;
		1324
		1325	1
		1326	}
		1327
		1328	sub load_header_orig {
		1329	my ($self) = @_;
		1330
		1331	$self->load_header_from ($self->load_path)
		1332	}
		1333
		1334	sub load_header_temp {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->save_path)
		1338	}
		1339
		1340	sub prepare_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->last_access ((delete $self->{last_access})
		1344	|| $cf::RUNTIME); #d#
		1345	# safety
		1346	$self->{instantiate_time} = $cf::RUNTIME
		1347	if $self->{instantiate_time} > $cf::RUNTIME;
		1348	}
		1349
		1350	sub prepare_orig {
		1351	my ($self) = @_;
		1352
		1353	$self->{load_original} = 1;
		1354	$self->{instantiate_time} = $cf::RUNTIME;
		1355	$self->last_access ($cf::RUNTIME);
		1356	$self->instantiate;
		1357	}
		1358
		1359	sub load_header {
		1360	my ($self) = @_;
		1361
		1362	if ($self->load_header_temp) {
		1363	$self->prepare_temp;
		1364	} else {
		1365	$self->load_header_orig
1323	or return;	1366	or return;
		1367	$self->prepare_orig;
		1368	}
1324		1369
1325	# for better error messages only, will be overwritten	1370	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1371	}
1335		1372
1336	sub find;	1373	sub find;
1337	sub find {	1374	sub find {
1338	my ($path, $origin) = @_;	1375	my ($path, $origin) = @_;
1339		1376
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1377	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1378
1345	cf::lock_wait "map_find:$key";	1379	cf::lock_wait "map_find:$path";
1346		1380
1347	$cf::MAP{$key} || do {	1381	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1382	my $guard = cf::lock_acquire "map_find:$path";
1349		1383	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;	1384	or return;
1369		1385
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;	1386	$map->{last_save} = $cf::RUNTIME;
1382		1387
1383	Coro::cede;	1388	$map->load_header
		1389	or return;
1384		1390
1385	if ($map->should_reset) {	1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1392	# doing this can freeze the server in a sync job, obviously
		1393	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1394	$map->reset;
1387	undef $guard;	1395	undef $guard;
1388	$map = find $path	1396	return find $path;
1389	or return;
1390	}	1397	}
1391		1398
1392	$cf::MAP{$key} = $map	1399	$cf::MAP{$path} = $map
1393	}	1400	}
1394	}	1401	}
		1402
		1403	sub pre_load { }
		1404	sub post_load { }
1395		1405
1396	sub load {	1406	sub load {
1397	my ($self) = @_;	1407	my ($self) = @_;
1398		1408
		1409	local $self->{deny_reset} = 1; # loading can take a long time
		1410
1399	my $path = $self->{path};	1411	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1412	my $guard = cf::lock_acquire "map_load:$path";
1401		1413
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1414	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1415
1404	$self->in_memory (cf::MAP_LOADING);	1416	$self->in_memory (cf::MAP_LOADING);
1405		1417
1406	$self->alloc;	1418	$self->alloc;
		1419
		1420	$self->pre_load;
		1421
1407	$self->load_objects ($self->{load_path}, 1)	1422	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1423	or return;
1409		1424
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1426	if delete $self->{load_original};
1412		1427
1413	if (my $uniq = $path->uniq_path) {	1428	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1429	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1430	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1431	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1432	$self->_load_objects ($uniq, 0);
1418	}	1433	}
1419	}	1434	}
1420		1435
1421	Coro::cede;	1436	Coro::cede;
1422		1437
1423	# now do the right thing for maps	1438	# now do the right thing for maps
1424	$self->link_multipart_objects;	1439	$self->link_multipart_objects;
1425		1440
1426	if ($self->{path}->is_style_map) {	1441	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1442	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1443	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1444	$self->update_buttons;
		1445	Coro::cede;
1433	$self->set_darkness_map;	1446	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1447	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1448	unless $self->difficulty;
		1449	Coro::cede;
1436	$self->activate;	1450	$self->activate;
1437	}	1451	}
1438		1452
1439	Coro::cede;	1453	$self->post_load;
1440		1454
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1455	$self->in_memory (cf::MAP_IN_MEMORY);
		1456	}
		1457
		1458	sub customise_for {
		1459	my ($self, $ob) = @_;
		1460
		1461	return find "~" . $ob->name . "/" . $self->{path}
		1462	if $self->per_player;
		1463
		1464	$self
		1465	}
		1466
		1467	# find and load all maps in the 3x3 area around a map
		1468	sub load_diag {
		1469	my ($map) = @_;
		1470
		1471	my @diag; # diagonal neighbours
		1472
		1473	for (0 .. 3) {
		1474	my $neigh = $map->tile_path ($_)
		1475	or next;
		1476	$neigh = find $neigh, $map
		1477	or next;
		1478	$neigh->load;
		1479
		1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1482	}
		1483
		1484	for (@diag) {
		1485	my $neigh = find @$_
		1486	or next;
		1487	$neigh->load;
		1488	}
1442	}	1489	}
1443		1490
1444	sub find_sync {	1491	sub find_sync {
1445	my ($path, $origin) = @_;	1492	my ($path, $origin) = @_;
1446		1493
1447	cf::sync_job { cf::map::find $path, $origin }	1494	cf::sync_job { find $path, $origin }
1448	}	1495	}
1449		1496
1450	sub do_load_sync {	1497	sub do_load_sync {
1451	my ($map) = @_;	1498	my ($map) = @_;
1452		1499
1453	cf::sync_job { $map->load };	1500	cf::sync_job { $map->load };
1454	}	1501	}
1455		1502
		1503	our %MAP_PREFETCH;
		1504	our $MAP_PREFETCHER = undef;
		1505
		1506	sub find_async {
		1507	my ($path, $origin) = @_;
		1508
		1509	$path = normalise $path, $origin && $origin->{path};
		1510
		1511	if (my $map = $cf::MAP{$path}) {
		1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1513	}
		1514
		1515	undef $MAP_PREFETCH{$path};
		1516	$MAP_PREFETCHER ||= cf::async {
		1517	while (%MAP_PREFETCH) {
		1518	for my $path (keys %MAP_PREFETCH) {
		1519	my $map = find $path
		1520	or next;
		1521	$map->load;
		1522
		1523	delete $MAP_PREFETCH{$path};
		1524	}
		1525	}
		1526	undef $MAP_PREFETCHER;
		1527	};
		1528	$MAP_PREFETCHER->prio (6);
		1529
		1530	()
		1531	}
		1532
1456	sub save {	1533	sub save {
1457	my ($self) = @_;	1534	my ($self) = @_;
1458		1535
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1537
1461	$self->{last_save} = $cf::RUNTIME;	1538	$self->{last_save} = $cf::RUNTIME;
1462		1539
1463	return unless $self->dirty;	1540	return unless $self->dirty;
1464		1541
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1543	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1544
1468	$self->{load_path} = $save;	1545	$self->{load_path} = $save;
1469		1546
1470	return if $self->{deny_save};	1547	return if $self->{deny_save};
1471		1548
…		…
1474	cf::async {	1551	cf::async {
1475	$_->contr->save for $self->players;	1552	$_->contr->save for $self->players;
1476	};	1553	};
1477		1554
1478	if ($uniq) {	1555	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1558	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1560	}
1484	}	1561	}
1485		1562
1486	sub swap_out {	1563	sub swap_out {
1487	my ($self) = @_;	1564	my ($self) = @_;
…		…
1501		1578
1502	sub reset_at {	1579	sub reset_at {
1503	my ($self) = @_;	1580	my ($self) = @_;
1504		1581
1505	# TODO: safety, remove and allow resettable per-player maps	1582	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1584	return 1e99 if $self->{deny_reset};
1508		1585
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1588
…		…
1516	my ($self) = @_;	1593	my ($self) = @_;
1517		1594
1518	$self->reset_at <= $cf::RUNTIME	1595	$self->reset_at <= $cf::RUNTIME
1519	}	1596	}
1520		1597
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 {	1598	sub reset {
1543	my ($self) = @_;	1599	my ($self) = @_;
1544		1600
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1601	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1602
1547	return if $self->players;	1603	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1604	return if $self->isa ("ext::map_per_player");#d#
1549		1605
1550	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1551		1607
		1608	$self->in_memory (cf::MAP_SWAPPED);
		1609
		1610	# need to save uniques path
		1611	unless ($self->{deny_save}) {
		1612	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1613
		1614	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1615	if $uniq;
		1616	}
		1617
1552	delete $cf::MAP{$self->path};	1618	delete $cf::MAP{$self->path};
		1619
		1620	$self->clear;
1553		1621
1554	$_->clear_links_to ($self) for values %cf::MAP;	1622	$_->clear_links_to ($self) for values %cf::MAP;
1555		1623
1556	$self->unlink_save;	1624	$self->unlink_save;
1557	$self->destroy;	1625	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1628	my $nuke_counter = "aaaa";
1561		1629
1562	sub nuke {	1630	sub nuke {
1563	my ($self) = @_;	1631	my ($self) = @_;
1564		1632
		1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->unlink_save;
		1636
		1637	bless $self, "cf::map";
		1638	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1639	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1640	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1642
		1643	$cf::MAP{$self->path} = $self;
		1644
1568	$self->reset; # polite request, might not happen	1645	$self->reset; # polite request, might not happen
1569	}	1646	}
1570		1647
1571	sub customise_for {	1648	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1649
1574	if ($map->per_player) {	1650	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1651	instantiated unique items. May block.
1576	}
1577		1652
1578	$map	1653	=cut
		1654
		1655	sub unique_maps() {
		1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1657	or return;
		1658
		1659	my @paths;
		1660
		1661	for (@$files) {
		1662	utf8::decode $_;
		1663	next if /\.pst$/;
		1664	next unless /^$PATH_SEP/o;
		1665
		1666	push @paths, cf::map::normalise $_;
		1667	}
		1668
		1669	\@paths
1579	}	1670	}
1580		1671
1581	package cf;	1672	package cf;
1582		1673
1583	=back	1674	=back
…		…
1655		1746
1656	=item $player_object->enter_link	1747	=item $player_object->enter_link
1657		1748
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1749	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1750
1660	The player should be reaosnably safe there for short amounts of time. You	1751	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.	1752	I<MUST> call C<leave_link> as soon as possible, though.
1662		1753
		1754	Will never block.
		1755
1663	=item $player_object->leave_link ($map, $x, $y)	1756	=item $player_object->leave_link ($map, $x, $y)
1664		1757
1665	Moves the player out of the specila link map onto the given map. If the	1758	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	1759	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,	1760	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1761	fails, to the emergency map position.
1669		1762
1670	Might block.	1763	Might block.
1671		1764
1672	=cut	1765	=cut
		1766
		1767	sub link_map {
		1768	unless ($LINK_MAP) {
		1769	$LINK_MAP = cf::map::find "{link}"
		1770	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1771	$LINK_MAP->load;
		1772	}
		1773
		1774	$LINK_MAP
		1775	}
1673		1776
1674	sub cf::object::player::enter_link {	1777	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1778	my ($self) = @_;
1676		1779
1677	$self->deactivate_recursive;	1780	$self->deactivate_recursive;
1678		1781
1679	return if $self->map == $LINK_MAP;	1782	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1783
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1785	if $self->map;
1683		1786
1684	$self->enter_map ($LINK_MAP, 20, 20);	1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1788	}
1686		1789
1687	sub cf::object::player::leave_link {	1790	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1791	my ($self, $map, $x, $y) = @_;
1689		1792
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1810	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1811	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1812	if $x <=0 && $y <= 0;
1710		1813
1711	$map->load;	1814	$map->load;
		1815	$map->load_diag;
1712		1816
1713	return unless $self->contr->active;	1817	return unless $self->contr->active;
1714	$self->activate_recursive;	1818	$self->activate_recursive;
		1819
		1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1821	$self->enter_map ($map, $x, $y);
1716	}	1822	}
1717		1823
1718	cf::player->attach (	1824	cf::player->attach (
1719	on_logout => sub {	1825	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1838	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1839	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1840	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1841	$pl->ob->enter_link;
1736	(async {	1842	(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,	1843	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1844	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1845	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1846	cf::NDI_RED);
		1847	# we need this sleep as the login has a concurrent enter_exit running
		1848	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1849	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1850	$pl->ob->leave_link;
1745	})->prio (2);	1851	})->prio (2);
1746	}	1852	}
1747	},	1853	},
…		…
1752	=cut	1858	=cut
1753		1859
1754	sub cf::object::player::goto {	1860	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1861	my ($self, $path, $x, $y) = @_;
1756		1862
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1863	$self->enter_link;
1761		1864
1762	(async {	1865	(async {
		1866	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1867	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1868	$map = $map->customise_for ($self) if $map;
1765		1869	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1870	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1872
1771	$self->leave_link ($map, $x, $y);	1873	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1874	})->prio (1);
1773	}	1875	}
1774		1876
…		…
1778		1880
1779	sub parse_random_map_params {	1881	sub parse_random_map_params {
1780	my ($spec) = @_;	1882	my ($spec) = @_;
1781		1883
1782	my $rmp = { # defaults	1884	my $rmp = { # defaults
1783	xsize => 10,	1885	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1886	ysize => (cf::rndm 15, 40),
		1887	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1888	#layout => string,
1785	};	1889	};
1786		1890
1787	for (split /\n/, $spec) {	1891	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1892	my ($k, $v) = split /\s+/, $_, 2;
1789		1893
…		…
1793	$rmp	1897	$rmp
1794	}	1898	}
1795		1899
1796	sub prepare_random_map {	1900	sub prepare_random_map {
1797	my ($exit) = @_;	1901	my ($exit) = @_;
		1902
		1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1904
1799	# all this does is basically replace the /! path by	1905	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1906	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1907	# that depends on the exit object
1802		1908
1803	my $rmp = parse_random_map_params $exit->msg;	1909	my $rmp = parse_random_map_params $exit->msg;
1804		1910
1805	if ($exit->map) {	1911	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1912	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	1913	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	1914	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	1915	$rmp->{origin_y} = $exit->y;
1810	}	1916	}
1811		1917
1812	$rmp->{random_seed} ||= $exit->random_seed;	1918	$rmp->{random_seed} ||= $exit->random_seed;
1813		1919
1814	my $data = cf::to_json $rmp;	1920	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	1921	my $md5 = Digest::MD5::md5_hex $data;
		1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816		1923
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	1925	aio_write $fh, 0, (length $data), $data, 0;
		1926	undef $fh;
		1927	aio_rename "$meta~", $meta;
1819		1928
1820	$exit->slaying ("?random/$md5");	1929	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	1930	$exit->msg (undef);
1822	}	1931	}
1823	}	1932	}
1824		1933
1825	sub cf::object::player::enter_exit {	1934	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	1935	my ($self, $exit) = @_;
1827		1936
1828	return unless $self->type == cf::PLAYER;	1937	return unless $self->type == cf::PLAYER;
		1938
		1939	if ($exit->slaying eq "/!") {
		1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1941	cf::sync_job { prepare_random_map $exit };
		1942	}
		1943
		1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1945	my $hp = $exit->stats->hp;
		1946	my $sp = $exit->stats->sp;
1829		1947
1830	$self->enter_link;	1948	$self->enter_link;
1831		1949
1832	(async {	1950	(async {
1833	$self->deactivate_recursive; # just to be sure	1951	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	1952	unless (eval {
1835	prepare_random_map $exit	1953	$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		1954
1841	1;	1955	1;
1842	}) {	1956	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	1957	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	1958	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	1959	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	1960	cf::NDI_UNIQUE | cf::NDI_RED);
1847		1961
1848	warn "ERROR in enter_exit: $@";	1962	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	1963	$self->leave_link;
1850	}	1964	}
…		…
1905	# get handled first	2019	# get handled first
1906	my $queue = delete $ns->{query_queue}	2020	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2021	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2022
1909	(shift @$queue)->[1]->($msg);	2023	(shift @$queue)->[1]->($msg);
		2024	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2025
1911	push @{ $ns->{query_queue} }, @$queue;	2026	push @{ $ns->{query_queue} }, @$queue;
1912		2027
1913	if (@{ $ns->{query_queue} } == @$queue) {	2028	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2029	if (@$queue) {
…		…
2075	The parameter C<$family> should best start with the name of the extension	2190	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2191	using it, it should be unique.
2077		2192
2078	=over 4	2193	=over 4
2079		2194
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	2195	=item $value = cf::db_get $family => $key
2087		2196
2088	Returns a single value from the database	2197	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		2198
2095	=item cf::db_put $family => $key => $value	2199	=item cf::db_put $family => $key => $value
2096		2200
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2201	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		2202
2108	=cut	2203	=cut
2109		2204
2110	our $DB;	2205	our $DB;
2111		2206
2112	{	2207	sub db_init {
		2208	unless ($DB) {
		2209	$DB = BDB::db_create $DB_ENV;
		2210
		2211	cf::sync_job {
		2212	eval {
		2213	$DB->set_flags (BDB::CHKSUM);
		2214
		2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2217	cf::cleanup "db_open(db): $!" if $!;
		2218	};
		2219	cf::cleanup "db_open(db): $@" if $@;
		2220	};
		2221
2113	my $path = cf::localdir . "/database.pst";	2222	my $path = cf::localdir . "/database.pst";
		2223	if (stat $path) {
		2224	cf::sync_job {
		2225	my $pst = Storable::retrieve $path;
2114		2226
2115	sub db_load() {	2227	cf::db_put (board => data => $pst->{board});
2116	$DB = stat $path ? Storable::retrieve $path : { };	2228	cf::db_put (guildrules => data => $pst->{guildrules});
2117	}	2229	cf::db_put (rent => balance => $pst->{rent}{balance});
		2230	BDB::db_env_txn_checkpoint $DB_ENV;
2118		2231
2119	my $pid;	2232	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	}	2233	};
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	},	2234	}
2167	);	2235	}
		2236	}
		2237
		2238	sub db_get($$) {
		2239	my $key = "$_[0]/$_[1]";
		2240
		2241	cf::sync_job {
		2242	BDB::db_get $DB, undef, $key, my $data;
		2243
		2244	$! ? ()
		2245	: Compress::LZF::sthaw $data
		2246	}
		2247	}
		2248
		2249	sub db_put($$$) {
		2250	BDB::dbreq_pri 4;
		2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2168	}	2252	}
2169		2253
2170	#############################################################################	2254	#############################################################################
2171	# the server's main()	2255	# the server's init and main functions
		2256
		2257	sub init_resources {
		2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2259	or die "unable to load regions file\n";#d#
		2260	}
2172		2261
2173	sub cfg_load {	2262	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2263	open my $fh, "<:utf8", cf::confdir . "/config"
2175	or return;	2264	or return;
2176		2265
…		…
2189	};	2278	};
2190	warn $@ if $@;	2279	warn $@ if $@;
2191	}	2280	}
2192	}	2281	}
2193		2282
		2283	sub init {
		2284	init_resources;
		2285	}
		2286
2194	sub main {	2287	sub main {
2195	# we must not ever block the main coroutine	2288	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2289	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2291	(async {
2198	async { Event::one_event };	2292	Event::one_event;
		2293	})->prio (Coro::PRIO_MAX);
2199	};	2294	};
2200		2295
2201	cfg_load;	2296	cfg_load;
2202	db_load;	2297	db_init;
2203	load_extensions;	2298	load_extensions;
		2299
		2300	$TICK_WATCHER->start;
2204	Event::loop;	2301	Event::loop;
2205	}	2302	}
2206		2303
2207	#############################################################################	2304	#############################################################################
2208	# initialisation and cleanup	2305	# initialisation and cleanup
2209		2306
2210	# install some emergency cleanup handlers	2307	# install some emergency cleanup handlers
2211	BEGIN {	2308	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2309	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2310	Event->signal (
		2311	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2312	data => WF_AUTOCANCEL,
2215	signal => $signal,	2313	signal => $signal,
		2314	prio => 0,
2216	cb => sub {	2315	cb => sub {
2217	cf::cleanup "SIG$signal";	2316	cf::cleanup "SIG$signal";
2218	},	2317	},
2219	);	2318	);
2220	}	2319	}
2221	}	2320	}
…		…
2226	warn "enter emergency perl save\n";	2325	warn "enter emergency perl save\n";
2227		2326
2228	cf::sync_job {	2327	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2328	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2329	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2330	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2331	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2332	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2333	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2334	$pl->valid or next;
2236	$pl->save;	2335	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2341	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2342	$map->valid or next;
2244	$map->save;	2343	$map->save;
2245	}	2344	}
2246	warn "end emergency map save\n";	2345	warn "end emergency map save\n";
		2346
		2347	warn "begin emergency database checkpoint\n";
		2348	BDB::db_env_txn_checkpoint $DB_ENV;
		2349	warn "end emergency database checkpoint\n";
2247	};	2350	};
2248		2351
2249	warn "leave emergency perl save\n";	2352	warn "leave emergency perl save\n";
		2353	}
		2354
		2355	sub post_cleanup {
		2356	my ($make_core) = @_;
		2357
		2358	warn Carp::longmess "post_cleanup backtrace"
		2359	if $make_core;
2250	}	2360	}
2251		2361
2252	sub reload() {	2362	sub reload() {
2253	# can/must only be called in main	2363	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2256	return;	2366	return;
2257	}	2367	}
2258		2368
2259	warn "reloading...";	2369	warn "reloading...";
2260		2370
2261	my $guard = freeze_mainloop;	2371	warn "entering sync_job";
		2372
		2373	cf::sync_job {
		2374	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2375	cf::emergency_save;
		2376	cf::write_runtime; # external watchdog should not bark
2263		2377
2264	eval {	2378	warn "syncing database to disk";
		2379	BDB::db_env_txn_checkpoint $DB_ENV;
		2380
2265	# if anything goes wrong in here, we should simply crash as we already saved	2381	# if anything goes wrong in here, we should simply crash as we already saved
2266		2382
2267	# cancel all watchers	2383	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2384	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2386	}
2271		2387
		2388	warn "flushing outstanding aio requests";
		2389	for (;;) {
		2390	BDB::flush;
		2391	IO::AIO::flush;
		2392	Coro::cede;
		2393	last unless IO::AIO::nreqs || BDB::nreqs;
		2394	warn "iterate...";
		2395	}
		2396
2272	# cancel all extension coros	2397	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2398	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2399	%EXT_CORO = ();
2275		2400
2276	# unload all extensions	2401	warn "removing commands";
2277	for (@exts) {	2402	%COMMAND = ();
		2403
		2404	warn "removing ext commands";
		2405	%EXTCMD = ();
		2406
		2407	warn "unloading/nuking all extensions";
		2408	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2409	warn "... unloading $pkg";
2279	unload_extension $_;	2410
		2411	if (my $cb = $pkg->can ("unload")) {
		2412	eval {
		2413	$cb->($pkg);
		2414	1
		2415	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2416	}
2281		2417
		2418	warn "... nuking $pkg";
		2419	Symbol::delete_package $pkg;
		2420	}
		2421
2282	# unload all modules loaded from $LIBDIR	2422	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2423	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2425
2286	warn "removing <$k>";	2426	warn "... unloading $k";
2287	delete $INC{$k};	2427	delete $INC{$k};
2288		2428
2289	$k =~ s/\.pm$//;	2429	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2430	$k =~ s/\//::/g;
2291		2431
…		…
2294	}	2434	}
2295		2435
2296	Symbol::delete_package $k;	2436	Symbol::delete_package $k;
2297	}	2437	}
2298		2438
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2439	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2440	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2442
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2443	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2444	delete $INC{"cf.pm"};
2312		2445
2313	# don't, removes xs symbols, too,	2446	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2447	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2448	#Symbol::delete_package __PACKAGE__;
2316		2449
2317	# reload cf.pm	2450	warn "unload completed, starting to reload now";
		2451
2318	warn "reloading cf.pm";	2452	warn "reloading cf.pm";
2319	require cf;	2453	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2455
2322	# load config and database again	2456	warn "loading config and database again";
2323	cf::cfg_load;	2457	cf::cfg_load;
2324	cf::db_load;
2325		2458
2326	# load extensions
2327	warn "load extensions";	2459	warn "loading extensions";
2328	cf::load_extensions;	2460	cf::load_extensions;
2329		2461
2330	# reattach attachments to objects	2462	warn "reattaching attachments to objects/players";
2331	warn "reattach";
2332	_global_reattach;	2463	_global_reattach;
		2464	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2465	reattach $_ for values %MAP;
2334	};
2335		2466
2336	if ($@) {	2467	warn "loading reloadable resources";
		2468	init_resources;
		2469
		2470	warn "leaving sync_job";
		2471
		2472	1
		2473	} or do {
2337	warn $@;	2474	warn $@;
2338	warn "error while reloading, exiting.";	2475	warn "error while reloading, exiting.";
2339	exit 1;	2476	exit 1;
2340	}	2477	};
2341		2478
2342	warn "reloaded successfully";	2479	warn "reloaded";
2343	};	2480	};
2344		2481
2345	#############################################################################	2482	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} = $LINK_MAP;
2386	}
2387
2388	register "<global>", __PACKAGE__;
2389		2483
2390	register_command "reload" => sub {	2484	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2485	my ($who, $arg) = @_;
2392		2486
2393	if ($who->flag (FLAG_WIZ)) {	2487	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");	2488	$who->message ("reloading server.");
		2489
		2490	# doing reload synchronously and two reloads happen back-to-back,
		2491	# coro crashes during coro_state_free->destroy here.
		2492
		2493	$RELOAD_WATCHER ||= Event->timer (
		2494	reentrant => 0,
		2495	after => 0,
		2496	data => WF_AUTOCANCEL,
		2497	cb => sub {
2395	reload;	2498	reload;
2396	$who->message ("end of reload.");	2499	undef $RELOAD_WATCHER;
		2500	},
		2501	);
2397	}	2502	}
2398	};	2503	};
2399		2504
2400	unshift @INC, $LIBDIR;	2505	unshift @INC, $LIBDIR;
		2506
		2507	my $bug_warning = 0;
2401		2508
2402	$TICK_WATCHER = Event->timer (	2509	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2510	reentrant => 0,
		2511	parked => 1,
2404	prio => 0,	2512	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2513	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2514	data => WF_AUTOCANCEL,
2407	cb => sub {	2515	cb => sub {
		2516	if ($Coro::current != $Coro::main) {
		2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2518	unless ++$bug_warning > 10;
		2519	return;
		2520	}
		2521
		2522	$NOW = Event::time;
		2523
2408	cf::server_tick; # one server iteration	2524	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;	2525	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2526	$NEXT_TICK += $TICK;
2411		2527
		2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2529	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2530	Coro::async_pool {
		2531	write_runtime
		2532	or warn "ERROR: unable to write runtime file: $!";
		2533	};
		2534	}
		2535
2412	$WAIT_FOR_TICK->broadcast;	2536	$WAIT_FOR_TICK->broadcast;
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2538
		2539	# my $AFTER = Event::time;
		2540	# warn $AFTER - $NOW;#d#
2414		2541
2415	# if we are delayed by four ticks or more, skip them all	2542	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2544
2418	$TICK_WATCHER->at ($NEXT_TICK);	2545	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2546	$TICK_WATCHER->start;
2420	},	2547	},
2421	);	2548	);
2422		2549
		2550	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2551	BDB::max_poll_time $TICK * 0.1;
2424		2552	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2553	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2554	fd => BDB::poll_fileno,
2427	poll => 'r',	2555	poll => 'r',
2428	prio => 5,	2556	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2435	after => 0,	2558	cb => \&BDB::poll_cb,
2436	interval => 10,	2559	);
2437	cb => sub {	2560	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2561
2439	write_runtime	2562	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2563	my $status;
		2564	my $current = $Coro::current;
		2565	(
		2566	sub {
		2567	$status = $!;
		2568	$current->ready; undef $current;
		2569	},
		2570	sub {
		2571	Coro::schedule while defined $current;
		2572	$! = $status;
		2573	},
		2574	)
		2575	};
		2576
		2577	unless ($DB_ENV) {
		2578	$DB_ENV = BDB::db_env_create;
		2579
		2580	cf::sync_job {
		2581	eval {
		2582	BDB::db_env_open
		2583	$DB_ENV,
		2584	$BDB_ENV_DIR,
		2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2587	0666;
		2588
		2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2590
		2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2592	$DB_ENV->set_lk_detect;
		2593	};
		2594
		2595	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2596	};
2442	},	2597	}
2443	);	2598	}
		2599
		2600	{
		2601	IO::AIO::min_parallel 8;
		2602
		2603	undef $Coro::AIO::WATCHER;
		2604	IO::AIO::max_poll_time $TICK * 0.1;
		2605	$AIO_POLL_WATCHER = Event->io (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	fd => IO::AIO::poll_fileno,
		2609	poll => 'r',
		2610	prio => 6,
		2611	cb => \&IO::AIO::poll_cb,
		2612	);
		2613	}
2444		2614
2445	END { cf::emergency_save }	2615	END { cf::emergency_save }
2446		2616
2447	1	2617	1
2448		2618

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