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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.220 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	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		389
495	#############################################################################	390	#############################################################################
496		391
497	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
498		393
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	520	our @CB_MAP = ();
626		521
627	my %attachment;	522	my %attachment;
628		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
629	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
631		532
632	use sort 'stable';	533	use sort 'stable';
633		534
…		…
804	# object support	705	# object support
805		706
806	sub reattach {	707	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		712
810	my $registry = $obj->registry;	713	my $registry = $obj->registry;
811		714
812	@$registry = ();	715	@$registry = ();
813		716
…		…
860	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
861		764
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	769	close $fh;
867		770
868	if (@$objs) {	771	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	777	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
876	}	779	}
877	} else {	780	} else {
878	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
945	=cut	848	=cut
946		849
947	sub register_extcmd {	850	sub register_extcmd {
948	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
949		852
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
954	}	854	}
955		855
956	cf::player->attach (	856	cf::player->attach (
957	on_command => sub {	857	on_command => sub {
958	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
971		871
972	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
973		873
974	if (ref $msg) {	874	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	878	}
979	}	879	}
980	} else {	880	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		883
984	cf::override;	884	cf::override;
985	},	885	},
986	);	886	);
987		887
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	888	sub load_extension {
995	my ($path) = @_;	889	my ($path) = @_;
996		890
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	892	my $base = $1;
999	my $pkg = $1;	893	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
1002		896
1003	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
1004		898
1005	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	900	or die "$path: $!";
1007		901
1008	my $source =	902	my $source =
1009	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
1012	. "\n};\n1";	906	. "\n};\n1";
1013		907
1014	eval $source	908	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	910	: "extension disabled.\n";
1017		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	912	warn $@;
1019	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1020		914	exit 1;
1021	# no strict 'refs';	915	}
1022	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	917	}
1037		918
1038	# remove commands	919	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	920	}
1063		921
1064	sub load_extensions {	922	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	924	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1071	}	929	}
1072	}	930	}
1073		931
1074	#############################################################################	932	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		933
1090	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1091		935
1092	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1093		937
…		…
1129		973
1130	sub exists($) {	974	sub exists($) {
1131	my ($login) = @_;	975	my ($login) = @_;
1132		976
1133	$cf::PLAYER{$login}	977	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	978	or cf::sync_job { !aio_stat path $login }
1135	}	979	}
1136		980
1137	sub find($) {	981	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	982	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	983	my $login = $_[0];
…		…
1185		1029
1186	=cut	1030	=cut
1187		1031
1188	sub quit_character {	1032	sub quit_character {
1189	my ($pl) = @_;	1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
1190		1036
1191	$pl->{deny_save} = 1;	1037	$pl->{deny_save} = 1;
1192	$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
1193		1039
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1045	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1046	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1047	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1048	delete $cf::PLAYER{$pl->ob->name};
1203	$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
1204	IO::AIO::aio_rmtree $temp;	1056	IO::AIO::aio_rmtree $temp;
1205	}	1057	}
1206		1058
1207	=item cf::player::list_logins	1059	=item cf::player::list_logins
1208		1060
…		…
1229	\@logins	1081	\@logins
1230	}	1082	}
1231		1083
1232	=item $player->maps	1084	=item $player->maps
1233		1085
1234	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
1235	player. May block.	1087	player. May block.
1236		1088
1237	=cut	1089	=cut
1238		1090
1239	sub maps($) {	1091	sub maps($) {
1240	my ($pl) = @_;	1092	my ($pl) = @_;
		1093
		1094	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1095
1242	my $files = aio_readdir playerdir $pl	1096	my $files = aio_readdir playerdir $pl
1243	or return;	1097	or return;
1244		1098
1245	my @paths;	1099	my @paths;
…		…
1247	for (@$files) {	1101	for (@$files) {
1248	utf8::decode $_;	1102	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1103	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1104	next unless /^$PATH_SEP/o;
1251		1105
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1106	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1107	}
1254		1108
1255	\@paths	1109	\@paths
1256	}	1110	}
1257		1111
…		…
1283	package cf::map;	1137	package cf::map;
1284		1138
1285	use Fcntl;	1139	use Fcntl;
1286	use Coro::AIO;	1140	use Coro::AIO;
1287		1141
		1142	use overload
		1143	'""' => \&as_string,
		1144	fallback => 1;
		1145
1288	our $MAX_RESET = 3600;	1146	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1147	our $DEFAULT_RESET = 3000;
1290		1148
1291	sub generate_random_map {	1149	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1150	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1151	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1152	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1156	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1157	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1160	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$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},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(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
1308	}	1294	}
1309		1295
1310	# and all this just because we cannot iterate over	1296	# and all this just because we cannot iterate over
1311	# all maps in C++...	1297	# all maps in C++...
1312	sub change_all_map_light {	1298	sub change_all_map_light {
…		…
1314		1300
1315	$_->change_map_light ($change)	1301	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1302	for grep $_->outdoor, values %cf::MAP;
1317	}	1303	}
1318		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
1319	sub try_load_header($) {	1313	sub load_header_from($) {
1320	my ($path) = @_;	1314	my ($self, $path) = @_;
1321		1315
1322	utf8::encode $path;	1316	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1317	#aio_open $path, O_RDONLY, 0
		1318	# or return;
		1319
		1320	$self->_load_header ($path)
1324	or return;	1321	or return;
1325		1322
1326	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
1327	or return;	1366	or return;
		1367	$self->prepare_orig;
		1368	}
1328		1369
1329	# for better error messages only, will be overwritten	1370	1
1330	$map->path ($path);
1331
1332	$map->load_header ($path)
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1371	}
1339		1372
1340	sub find;	1373	sub find;
1341	sub find {	1374	sub find {
1342	my ($path, $origin) = @_;	1375	my ($path, $origin) = @_;
1343		1376
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1377	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1378
1349	cf::lock_wait "map_find:$key";	1379	cf::lock_wait "map_find:$path";
1350		1380
1351	$cf::MAP{$key} || do {	1381	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1382	my $guard = cf::lock_acquire "map_find:$path";
1353		1383	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1384	or return;
1373		1385
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1386	$map->{last_save} = $cf::RUNTIME;
1386		1387
1387	Coro::cede;	1388	$map->load_header
		1389	or return;
1388		1390
1389	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;
1390	$map->reset;	1394	$map->reset;
1391	undef $guard;	1395	undef $guard;
1392	$map = find $path	1396	return find $path;
1393	or return;
1394	}	1397	}
1395		1398
1396	$cf::MAP{$key} = $map	1399	$cf::MAP{$path} = $map
1397	}	1400	}
1398	}	1401	}
		1402
		1403	sub pre_load { }
		1404	sub post_load { }
1399		1405
1400	sub load {	1406	sub load {
1401	my ($self) = @_;	1407	my ($self) = @_;
1402		1408
		1409	local $self->{deny_reset} = 1; # loading can take a long time
		1410
1403	my $path = $self->{path};	1411	my $path = $self->{path};
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1412	my $guard = cf::lock_acquire "map_load:$path";
1405		1413
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1414	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1415
1408	$self->in_memory (cf::MAP_LOADING);	1416	$self->in_memory (cf::MAP_LOADING);
1409		1417
1410	$self->alloc;	1418	$self->alloc;
		1419
		1420	$self->pre_load;
		1421
1411	$self->load_objects ($self->{load_path}, 1)	1422	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1423	or return;
1413		1424
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1426	if delete $self->{load_original};
1416		1427
1417	if (my $uniq = $path->uniq_path) {	1428	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1429	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1430	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1431	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1432	$self->_load_objects ($uniq, 0);
1422	}	1433	}
1423	}	1434	}
1424		1435
1425	Coro::cede;	1436	Coro::cede;
1426		1437
1427	# now do the right thing for maps	1438	# now do the right thing for maps
1428	$self->link_multipart_objects;	1439	$self->link_multipart_objects;
1429		1440
1430	if ($self->{path}->is_style_map) {	1441	unless ($self->{deny_activate}) {
1431	$self->{deny_save} = 1;	1442	$self->decay_objects;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;	1443	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;	1444	$self->update_buttons;
		1445	Coro::cede;
1437	$self->set_darkness_map;	1446	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1447	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1448	unless $self->difficulty;
		1449	Coro::cede;
1440	$self->activate;	1450	$self->activate;
1441	}	1451	}
1442		1452
1443	Coro::cede;	1453	$self->post_load;
1444		1454
1445	$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
1446	}	1465	}
1447		1466
1448	# find and load all maps in the 3x3 area around a map	1467	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1468	sub load_diag {
1450	my ($map) = @_;	1469	my ($map) = @_;
…		…
1480		1499
1481	cf::sync_job { $map->load };	1500	cf::sync_job { $map->load };
1482	}	1501	}
1483		1502
1484	our %MAP_PREFETCH;	1503	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1504	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1505
1500	sub find_async {	1506	sub find_async {
1501	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1502		1508
1503	$path = new cf::path $path, $origin && $origin->path;	1509	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1510
1506	if (my $map = $cf::MAP{$key}) {	1511	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1513	}
1509		1514
1510	$MAP_PREFETCH{$key} = $path;	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	};
1511	$MAP_PREFETCHER->ready;	1528	$MAP_PREFETCHER->prio (6);
1512		1529
1513	()	1530	()
1514	}	1531	}
1515		1532
1516	sub save {	1533	sub save {
…		…
1520		1537
1521	$self->{last_save} = $cf::RUNTIME;	1538	$self->{last_save} = $cf::RUNTIME;
1522		1539
1523	return unless $self->dirty;	1540	return unless $self->dirty;
1524		1541
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1543	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1544
1528	$self->{load_path} = $save;	1545	$self->{load_path} = $save;
1529		1546
1530	return if $self->{deny_save};	1547	return if $self->{deny_save};
1531		1548
…		…
1534	cf::async {	1551	cf::async {
1535	$_->contr->save for $self->players;	1552	$_->contr->save for $self->players;
1536	};	1553	};
1537		1554
1538	if ($uniq) {	1555	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1558	} else {
1542	$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);
1543	}	1560	}
1544	}	1561	}
1545		1562
1546	sub swap_out {	1563	sub swap_out {
1547	my ($self) = @_;	1564	my ($self) = @_;
…		…
1561		1578
1562	sub reset_at {	1579	sub reset_at {
1563	my ($self) = @_;	1580	my ($self) = @_;
1564		1581
1565	# TODO: safety, remove and allow resettable per-player maps	1582	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1584	return 1e99 if $self->{deny_reset};
1568		1585
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	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;
1571		1588
…		…
1576	my ($self) = @_;	1593	my ($self) = @_;
1577		1594
1578	$self->reset_at <= $cf::RUNTIME	1595	$self->reset_at <= $cf::RUNTIME
1579	}	1596	}
1580		1597
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1598	sub reset {
1603	my ($self) = @_;	1599	my ($self) = @_;
1604		1600
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1601	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1602
1607	return if $self->players;	1603	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1604	return if $self->isa ("ext::map_per_player");#d#
1609		1605
1610	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1611		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
1612	delete $cf::MAP{$self->path};	1618	delete $cf::MAP{$self->path};
		1619
		1620	$self->clear;
1613		1621
1614	$_->clear_links_to ($self) for values %cf::MAP;	1622	$_->clear_links_to ($self) for values %cf::MAP;
1615		1623
1616	$self->unlink_save;	1624	$self->unlink_save;
1617	$self->destroy;	1625	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1628	my $nuke_counter = "aaaa";
1621		1629
1622	sub nuke {	1630	sub nuke {
1623	my ($self) = @_;	1631	my ($self) = @_;
1624		1632
		1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->unlink_save;
		1636
		1637	bless $self, "cf::map";
		1638	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1639	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1640	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1642
		1643	$cf::MAP{$self->path} = $self;
		1644
1628	$self->reset; # polite request, might not happen	1645	$self->reset; # polite request, might not happen
1629	}	1646	}
1630		1647
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1648	=item cf::map::unique_maps
1642		1649
1643	Returns an arrayref of cf::path's of all shared maps that have	1650	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1651	instantiated unique items. May block.
1645		1652
1646	=cut	1653	=cut
1647		1654
1648	sub unique_maps() {	1655	sub unique_maps() {
…		…
1654	for (@$files) {	1661	for (@$files) {
1655	utf8::decode $_;	1662	utf8::decode $_;
1656	next if /\.pst$/;	1663	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1664	next unless /^$PATH_SEP/o;
1658		1665
1659	push @paths, new cf::path $_;	1666	push @paths, cf::map::normalise $_;
1660	}	1667	}
1661		1668
1662	\@paths	1669	\@paths
1663	}	1670	}
1664		1671
…		…
1739		1746
1740	=item $player_object->enter_link	1747	=item $player_object->enter_link
1741		1748
1742	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}>).
1743		1750
1744	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
1745	I<MUST> call C<leave_link> as soon as possible, though.	1752	I<MUST> call C<leave_link> as soon as possible, though.
1746		1753
		1754	Will never block.
		1755
1747	=item $player_object->leave_link ($map, $x, $y)	1756	=item $player_object->leave_link ($map, $x, $y)
1748		1757
1749	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
1750	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
1751	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
1752	to the emergency map position.	1761	fails, to the emergency map position.
1753		1762
1754	Might block.	1763	Might block.
1755		1764
1756	=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	}
1757		1776
1758	sub cf::object::player::enter_link {	1777	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1778	my ($self) = @_;
1760		1779
1761	$self->deactivate_recursive;	1780	$self->deactivate_recursive;
1762		1781
1763	return if $self->map == $LINK_MAP;	1782	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1783
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1785	if $self->map;
1767		1786
1768	$self->enter_map ($LINK_MAP, 20, 20);	1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1788	}
1770		1789
1771	sub cf::object::player::leave_link {	1790	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1791	my ($self, $map, $x, $y) = @_;
1773		1792
…		…
1795	$map->load;	1814	$map->load;
1796	$map->load_diag;	1815	$map->load_diag;
1797		1816
1798	return unless $self->contr->active;	1817	return unless $self->contr->active;
1799	$self->activate_recursive;	1818	$self->activate_recursive;
		1819
		1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	1821	$self->enter_map ($map, $x, $y);
1801	}	1822	}
1802		1823
1803	cf::player->attach (	1824	cf::player->attach (
1804	on_logout => sub {	1825	on_logout => sub {
…		…
1817	# try to abort aborted map switching on player login :)	1838	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes	1839	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {	1840	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;	1841	$pl->ob->enter_link;
1821	(async {	1842	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,	1843	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "	1844	"There was an internal problem at your last logout, "
1826	. "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.",
1827	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
1828	Coro::Timer::sleep 1;	1849	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;	1850	$pl->ob->leave_link;
1830	})->prio (2);	1851	})->prio (2);
1831	}	1852	}
1832	},	1853	},
…		…
1837	=cut	1858	=cut
1838		1859
1839	sub cf::object::player::goto {	1860	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1861	my ($self, $path, $x, $y) = @_;
1841		1862
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1863	$self->enter_link;
1845		1864
1846	(async {	1865	(async {
		1866	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1867	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1868	$map = $map->customise_for ($self) if $map;
1849		1869	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1870	} or
1851	# if $map;
1852
1853	$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);
1854		1872
1855	$self->leave_link ($map, $x, $y);	1873	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1874	})->prio (1);
1857	}	1875	}
1858		1876
…		…
1862		1880
1863	sub parse_random_map_params {	1881	sub parse_random_map_params {
1864	my ($spec) = @_;	1882	my ($spec) = @_;
1865		1883
1866	my $rmp = { # defaults	1884	my $rmp = { # defaults
1867	xsize => 10,	1885	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1886	ysize => (cf::rndm 15, 40),
		1887	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1888	#layout => string,
1869	};	1889	};
1870		1890
1871	for (split /\n/, $spec) {	1891	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1892	my ($k, $v) = split /\s+/, $_, 2;
1873		1893
…		…
1877	$rmp	1897	$rmp
1878	}	1898	}
1879		1899
1880	sub prepare_random_map {	1900	sub prepare_random_map {
1881	my ($exit) = @_;	1901	my ($exit) = @_;
		1902
		1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1904
1883	# all this does is basically replace the /! path by	1905	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1906	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1907	# that depends on the exit object
1886		1908
1887	my $rmp = parse_random_map_params $exit->msg;	1909	my $rmp = parse_random_map_params $exit->msg;
1888		1910
1889	if ($exit->map) {	1911	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	1912	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	1913	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	1914	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	1915	$rmp->{origin_y} = $exit->y;
1894	}	1916	}
1895		1917
1896	$rmp->{random_seed} ||= $exit->random_seed;	1918	$rmp->{random_seed} ||= $exit->random_seed;
1897		1919
1898	my $data = cf::to_json $rmp;	1920	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	1921	my $md5 = Digest::MD5::md5_hex $data;
		1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900		1923
1901	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) {
1902	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;
1903		1928
1904	$exit->slaying ("?random/$md5");	1929	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	1930	$exit->msg (undef);
1906	}	1931	}
1907	}	1932	}
1908		1933
1909	sub cf::object::player::enter_exit {	1934	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	1935	my ($self, $exit) = @_;
1911		1936
1912	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;
1913		1947
1914	$self->enter_link;	1948	$self->enter_link;
1915		1949
1916	(async {	1950	(async {
1917	$self->deactivate_recursive; # just to be sure	1951	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	1952	unless (eval {
1919	prepare_random_map $exit	1953	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		1954
1925	1;	1955	1;
1926	}) {	1956	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	1957	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "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. "
…		…
1989	# get handled first	2019	# get handled first
1990	my $queue = delete $ns->{query_queue}	2020	my $queue = delete $ns->{query_queue}
1991	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
1992		2022
1993	(shift @$queue)->[1]->($msg);	2023	(shift @$queue)->[1]->($msg);
		2024	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2025
1995	push @{ $ns->{query_queue} }, @$queue;	2026	push @{ $ns->{query_queue} }, @$queue;
1996		2027
1997	if (@{ $ns->{query_queue} } == @$queue) {	2028	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2029	if (@$queue) {
…		…
2159	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
2160	using it, it should be unique.	2191	using it, it should be unique.
2161		2192
2162	=over 4	2193	=over 4
2163		2194
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2195	=item $value = cf::db_get $family => $key
2171		2196
2172	Returns a single value from the database	2197	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2198
2179	=item cf::db_put $family => $key => $value	2199	=item cf::db_put $family => $key => $value
2180		2200
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2201	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2202
2192	=cut	2203	=cut
2193		2204
2194	our $DB;	2205	our $DB;
2195		2206
2196	{	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
2197	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;
2198		2226
2199	sub db_load() {	2227	cf::db_put (board => data => $pst->{board});
2200	$DB = stat $path ? Storable::retrieve $path : { };	2228	cf::db_put (guildrules => data => $pst->{guildrules});
2201	}	2229	cf::db_put (rent => balance => $pst->{rent}{balance});
		2230	BDB::db_env_txn_checkpoint $DB_ENV;
2202		2231
2203	my $pid;	2232	unlink $path;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2233	};
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2234	}
2251	);	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 { };
2252	}	2252	}
2253		2253
2254	#############################################################################	2254	#############################################################################
2255	# 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	}
2256		2261
2257	sub cfg_load {	2262	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2263	open my $fh, "<:utf8", cf::confdir . "/config"
2259	or return;	2264	or return;
2260		2265
…		…
2273	};	2278	};
2274	warn $@ if $@;	2279	warn $@ if $@;
2275	}	2280	}
2276	}	2281	}
2277		2282
		2283	sub init {
		2284	init_resources;
		2285	}
		2286
2278	sub main {	2287	sub main {
2279	# we must not ever block the main coroutine	2288	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2289	local $Coro::idle = sub {
2281	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 {
2282	async { Event::one_event };	2292	Event::one_event;
		2293	})->prio (Coro::PRIO_MAX);
2283	};	2294	};
2284		2295
2285	cfg_load;	2296	cfg_load;
2286	db_load;	2297	db_init;
2287	load_extensions;	2298	load_extensions;
		2299
		2300	$TICK_WATCHER->start;
2288	Event::loop;	2301	Event::loop;
2289	}	2302	}
2290		2303
2291	#############################################################################	2304	#############################################################################
2292	# initialisation and cleanup	2305	# initialisation and cleanup
2293		2306
2294	# install some emergency cleanup handlers	2307	# install some emergency cleanup handlers
2295	BEGIN {	2308	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2309	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2310	Event->signal (
		2311	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2312	data => WF_AUTOCANCEL,
2299	signal => $signal,	2313	signal => $signal,
		2314	prio => 0,
2300	cb => sub {	2315	cb => sub {
2301	cf::cleanup "SIG$signal";	2316	cf::cleanup "SIG$signal";
2302	},	2317	},
2303	);	2318	);
2304	}	2319	}
2305	}	2320	}
…		…
2310	warn "enter emergency perl save\n";	2325	warn "enter emergency perl save\n";
2311		2326
2312	cf::sync_job {	2327	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2328	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2329	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2330	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2331	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2332	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2333	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2334	$pl->valid or next;
2320	$pl->save;	2335	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2341	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2342	$map->valid or next;
2328	$map->save;	2343	$map->save;
2329	}	2344	}
2330	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 $DB_ENV;
		2349	warn "end emergency database checkpoint\n";
2331	};	2350	};
2332		2351
2333	warn "leave emergency perl save\n";	2352	warn "leave emergency perl save\n";
		2353	}
		2354
		2355	sub post_cleanup {
		2356	my ($make_core) = @_;
		2357
		2358	warn Carp::longmess "post_cleanup backtrace"
		2359	if $make_core;
2334	}	2360	}
2335		2361
2336	sub reload() {	2362	sub reload() {
2337	# can/must only be called in main	2363	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2340	return;	2366	return;
2341	}	2367	}
2342		2368
2343	warn "reloading...";	2369	warn "reloading...";
2344		2370
2345	my $guard = freeze_mainloop;	2371	warn "entering sync_job";
		2372
		2373	cf::sync_job {
		2374	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2375	cf::emergency_save;
		2376	cf::write_runtime; # external watchdog should not bark
2347		2377
2348	eval {	2378	warn "syncing database to disk";
		2379	BDB::db_env_txn_checkpoint $DB_ENV;
		2380
2349	# 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
2350		2382
2351	# cancel all watchers	2383	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2384	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2386	}
2355		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
2356	# cancel all extension coros	2397	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2398	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2399	%EXT_CORO = ();
2359		2400
2360	# unload all extensions	2401	warn "removing commands";
2361	for (@exts) {	2402	%COMMAND = ();
		2403
		2404	warn "removing ext commands";
		2405	%EXTCMD = ();
		2406
		2407	warn "unloading/nuking all extensions";
		2408	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2409	warn "... unloading $pkg";
2363	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: $@";
2364	}	2416	}
2365		2417
		2418	warn "... nuking $pkg";
		2419	Symbol::delete_package $pkg;
		2420	}
		2421
2366	# unload all modules loaded from $LIBDIR	2422	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2423	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2425
2370	warn "removing <$k>";	2426	warn "... unloading $k";
2371	delete $INC{$k};	2427	delete $INC{$k};
2372		2428
2373	$k =~ s/\.pm$//;	2429	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2430	$k =~ s/\//::/g;
2375		2431
…		…
2378	}	2434	}
2379		2435
2380	Symbol::delete_package $k;	2436	Symbol::delete_package $k;
2381	}	2437	}
2382		2438
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2439	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2440	Symbol::delete_package "safe::$_"
2389	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);
2390		2442
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2443	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2444	delete $INC{"cf.pm"};
2396		2445
2397	# don't, removes xs symbols, too,	2446	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2447	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2448	#Symbol::delete_package __PACKAGE__;
2400		2449
2401	# reload cf.pm	2450	warn "unload completed, starting to reload now";
		2451
2402	warn "reloading cf.pm";	2452	warn "reloading cf.pm";
2403	require cf;	2453	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2455
2406	# load config and database again	2456	warn "loading config and database again";
2407	cf::cfg_load;	2457	cf::cfg_load;
2408	cf::db_load;
2409		2458
2410	# load extensions
2411	warn "load extensions";	2459	warn "loading extensions";
2412	cf::load_extensions;	2460	cf::load_extensions;
2413		2461
2414	# reattach attachments to objects	2462	warn "reattaching attachments to objects/players";
2415	warn "reattach";
2416	_global_reattach;	2463	_global_reattach;
		2464	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2465	reattach $_ for values %MAP;
2418	};
2419		2466
2420	if ($@) {	2467	warn "loading reloadable resources";
		2468	init_resources;
		2469
		2470	warn "leaving sync_job";
		2471
		2472	1
		2473	} or do {
2421	warn $@;	2474	warn $@;
2422	warn "error while reloading, exiting.";	2475	warn "error while reloading, exiting.";
2423	exit 1;	2476	exit 1;
2424	}	2477	};
2425		2478
2426	warn "reloaded successfully";	2479	warn "reloaded";
2427	};	2480	};
2428		2481
2429	#############################################################################	2482	our $RELOAD_WATCHER; # used only during reload
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}
2471
2472	register "<global>", __PACKAGE__;
2473		2483
2474	register_command "reload" => sub {	2484	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2485	my ($who, $arg) = @_;
2476		2486
2477	if ($who->flag (FLAG_WIZ)) {	2487	if ($who->flag (FLAG_WIZ)) {
2478	$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 {
2479	reload;	2498	reload;
2480	$who->message ("end of reload.");	2499	undef $RELOAD_WATCHER;
		2500	},
		2501	);
2481	}	2502	}
2482	};	2503	};
2483		2504
2484	unshift @INC, $LIBDIR;	2505	unshift @INC, $LIBDIR;
		2506
		2507	my $bug_warning = 0;
2485		2508
2486	$TICK_WATCHER = Event->timer (	2509	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2510	reentrant => 0,
		2511	parked => 1,
2488	prio => 0,	2512	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2513	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2514	data => WF_AUTOCANCEL,
2491	cb => sub {	2515	cb => sub {
		2516	if ($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
2492	cf::server_tick; # one server iteration	2524	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;	2525	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2526	$NEXT_TICK += $TICK;
2495		2527
		2528	if ($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
2496	$WAIT_FOR_TICK->broadcast;	2536	$WAIT_FOR_TICK->broadcast;
2497	$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#
2498		2541
2499	# 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
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2544
2502	$TICK_WATCHER->at ($NEXT_TICK);	2545	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2546	$TICK_WATCHER->start;
2504	},	2547	},
2505	);	2548	);
2506		2549
		2550	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	2551	BDB::max_poll_time $TICK * 0.1;
2508		2552	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	2553	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2554	fd => BDB::poll_fileno,
2511	poll => 'r',	2555	poll => 'r',
2512	prio => 5,	2556	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2519	after => 0,	2558	cb => \&BDB::poll_cb,
2520	interval => 10,	2559	);
2521	cb => sub {	2560	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	2561
2523	write_runtime	2562	BDB::set_sync_prepare {
2524	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 $@;
2525	})->();	2596	};
2526	},	2597	}
2527	);	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	}
2528		2614
2529	END { cf::emergency_save }	2615	END { cf::emergency_save }
2530		2616
2531	1	2617	1
2532		2618

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