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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.217 by root, Thu Feb 15 21:07:49 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
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
28		34
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
31		37
32	$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
33		39
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35
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";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= 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
58		78
59	binmode STDOUT;	79	binmode STDOUT;
60	binmode STDERR;	80	binmode STDERR;
61		81
62	# read virtual server time, if available	82	# read virtual server time, if available
…		…
69	mkdir cf::localdir;	89	mkdir cf::localdir;
70	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
74		95
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
146	}	174	}
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		179
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
…		…
247	}	271	}
248		272
249	sub freeze_mainloop {	273	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
251		275
252	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
253	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
254	$guard	280	$guard
255	}	281	}
256		282
257	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
309	}	335	}
310	}	336	}
311		337
312	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
313		339
314	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	341	extension calling this is being unloaded.
316		342
317	=cut	343	=cut
318		344
319	sub async_ext(&) {	345	sub async_ext(&) {
…		…
333	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
334		360
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	362	or return;
337		363
		364	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	369	and return;
341		370
		371	# always fsync - this file is important
342	aio_fsync $fh	372	aio_fsync $fh
343	and return;	373	and return;
344		374
345	close $fh	375	close $fh
346	or return;	376	or return;
…		…
352	}	382	}
353		383
354	=back	384	=back
355		385
356	=cut	386	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		387
480	#############################################################################	388	#############################################################################
481		389
482	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
483		391
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	518	our @CB_MAP = ();
611		519
612	my %attachment;	520	my %attachment;
613		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
614	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
616		530
617	use sort 'stable';	531	use sort 'stable';
618		532
…		…
789	# object support	703	# object support
790		704
791	sub reattach {	705	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		710
795	my $registry = $obj->registry;	711	my $registry = $obj->registry;
796		712
797	@$registry = ();	713	@$registry = ();
798		714
…		…
845	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
846		762
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	767	close $fh;
852		768
853	if (@$objs) {	769	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	775	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
861	}	777	}
862	} else {	778	} else {
863	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
930	=cut	846	=cut
931		847
932	sub register_extcmd {	848	sub register_extcmd {
933	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
934		850
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
939	}	852	}
940		853
941	cf::player->attach (	854	cf::player->attach (
942	on_command => sub {	855	on_command => sub {
943	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
956		869
957	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
958		871
959	if (ref $msg) {	872	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	876	}
964	}	877	}
965	} else {	878	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		881
969	cf::override;	882	cf::override;
970	},	883	},
971	);	884	);
972		885
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	886	sub load_extension {
980	my ($path) = @_;	887	my ($path) = @_;
981		888
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	890	my $base = $1;
984	my $pkg = $1;	891	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
987		894
988	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
989		896
990	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
991	or die "$path: $!";	898	or die "$path: $!";
992		899
993	my $source =	900	my $source =
994	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
997	. "\n};\n1";	904	. "\n};\n1";
998		905
999	eval $source	906	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	908	: "extension disabled.\n";
1002		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	910	warn $@;
1004	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1005		912	exit 1;
1006	# no strict 'refs';	913	}
1007	# @{"$pkg\::ISA"} = ext::;	914	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	915	}
1022		916
1023	# remove commands	917	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	918	}
1048		919
1049	sub load_extensions {	920	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	922	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1056	}	927	}
1057	}	928	}
1058		929
1059	#############################################################################	930	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		931
1097	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1098		933
1099	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1100		935
…		…
1136		971
1137	sub exists($) {	972	sub exists($) {
1138	my ($login) = @_;	973	my ($login) = @_;
1139		974
1140	$cf::PLAYER{$login}	975	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	976	or cf::sync_job { !aio_stat path $login }
1142	}	977	}
1143		978
1144	sub find($) {	979	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	980	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	981	my $login = $_[0];
…		…
1225	my @logins;	1060	my @logins;
1226		1061
1227	for my $login (@$dirs) {	1062	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1064	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1066
1232	utf8::decode $login;	1067	utf8::decode $login;
1233	push @logins, $login;	1068	push @logins, $login;
1234	}	1069	}
1235		1070
1236	\@logins	1071	\@logins
1237	}	1072	}
1238		1073
1239	=item $player->maps	1074	=item $player->maps
1240		1075
1241	Returns an arrayref of cf::path's of all maps that are private for this	1076	Returns an arrayref of map paths that are private for this
1242	player. May block.	1077	player. May block.
1243		1078
1244	=cut	1079	=cut
1245		1080
1246	sub maps($) {	1081	sub maps($) {
1247	my ($pl) = @_;	1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1085
1249	my $files = aio_readdir playerdir $pl	1086	my $files = aio_readdir playerdir $pl
1250	or return;	1087	or return;
1251		1088
1252	my @paths;	1089	my @paths;
1253		1090
1254	for (@$files) {	1091	for (@$files) {
1255	utf8::decode $_;	1092	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1093	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1094	next unless /^$PATH_SEP/o;
1258		1095
1259	s/$PATH_SEP/\//g;	1096	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1097	}
1262		1098
1263	\@paths	1099	\@paths
1264	}	1100	}
1265		1101
…		…
1291	package cf::map;	1127	package cf::map;
1292		1128
1293	use Fcntl;	1129	use Fcntl;
1294	use Coro::AIO;	1130	use Coro::AIO;
1295		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1296	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1298		1138
1299	sub generate_random_map {	1139	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1142	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1284	}
1317		1285
1318	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1319	# all maps in C++...	1287	# all maps in C++...
1320	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1322		1290
1323	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1325	}	1293	}
1326		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301	}
		1302
1327	sub try_load_header($) {	1303	sub load_header_from($) {
1328	my ($path) = @_;	1304	my ($self, $path) = @_;
1329		1305
1330	utf8::encode $path;	1306	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1307	#aio_open $path, O_RDONLY, 0
		1308	# or return;
		1309
		1310	$self->_load_header ($path)
1332	or return;	1311	or return;
1333		1312
1334	my $map = cf::map::new	1313	$self->{load_path} = $path;
		1314
		1315	1
		1316	}
		1317
		1318	sub load_header_orig {
		1319	my ($self) = @_;
		1320
		1321	$self->load_header_from ($self->load_path)
		1322	}
		1323
		1324	sub load_header_temp {
		1325	my ($self) = @_;
		1326
		1327	$self->load_header_from ($self->save_path)
		1328	}
		1329
		1330	sub prepare_temp {
		1331	my ($self) = @_;
		1332
		1333	$self->last_access ((delete $self->{last_access})
		1334	|| $cf::RUNTIME); #d#
		1335	# safety
		1336	$self->{instantiate_time} = $cf::RUNTIME
		1337	if $self->{instantiate_time} > $cf::RUNTIME;
		1338	}
		1339
		1340	sub prepare_orig {
		1341	my ($self) = @_;
		1342
		1343	$self->{load_original} = 1;
		1344	$self->{instantiate_time} = $cf::RUNTIME;
		1345	$self->last_access ($cf::RUNTIME);
		1346	$self->instantiate;
		1347	}
		1348
		1349	sub load_header {
		1350	my ($self) = @_;
		1351
		1352	if ($self->load_header_temp) {
		1353	$self->prepare_temp;
		1354	} else {
		1355	$self->load_header_orig
1335	or return;	1356	or return;
		1357	$self->prepare_orig;
		1358	}
1336		1359
1337	# for better error messages only, will be overwritten	1360	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1361	}
1347		1362
1348	sub find;	1363	sub find;
1349	sub find {	1364	sub find {
1350	my ($path, $origin) = @_;	1365	my ($path, $origin) = @_;
1351		1366
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1367	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1368
1357	cf::lock_wait "map_find:$key";	1369	cf::lock_wait "map_find:$path";
1358		1370
1359	$cf::MAP{$key} || do {	1371	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1372	my $guard = cf::lock_acquire "map_find:$path";
1361		1373	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1374	or return;
1381		1375
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1376	$map->{last_save} = $cf::RUNTIME;
1394		1377
1395	Coro::cede;	1378	$map->load_header
		1379	or return;
1396		1380
1397	if ($map->should_reset) {	1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1382	# doing this can freeze the server in a sync job, obviously
		1383	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1384	$map->reset;
1399	undef $guard;	1385	undef $guard;
1400	$map = find $path	1386	return find $path;
1401	or return;
1402	}	1387	}
1403		1388
1404	$cf::MAP{$key} = $map	1389	$cf::MAP{$path} = $map
1405	}	1390	}
1406	}	1391	}
		1392
		1393	sub pre_load { }
		1394	sub post_load { }
1407		1395
1408	sub load {	1396	sub load {
1409	my ($self) = @_;	1397	my ($self) = @_;
1410		1398
		1399	local $self->{deny_reset} = 1; # loading can take a long time
		1400
1411	my $path = $self->{path};	1401	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1402	my $guard = cf::lock_acquire "map_load:$path";
1413		1403
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1404	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1405
1416	$self->in_memory (cf::MAP_LOADING);	1406	$self->in_memory (cf::MAP_LOADING);
1417		1407
1418	$self->alloc;	1408	$self->alloc;
		1409
		1410	$self->pre_load;
		1411
1419	$self->load_objects ($self->{load_path}, 1)	1412	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1413	or return;
1421		1414
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1416	if delete $self->{load_original};
1424		1417
1425	if (my $uniq = $path->uniq_path) {	1418	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1419	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1420	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1421	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1422	$self->_load_objects ($uniq, 0);
1430	}	1423	}
1431	}	1424	}
1432		1425
1433	Coro::cede;	1426	Coro::cede;
1434		1427
1435	# now do the right thing for maps	1428	# now do the right thing for maps
1436	$self->link_multipart_objects;	1429	$self->link_multipart_objects;
1437		1430
1438	if ($self->{path}->is_style_map) {	1431	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1432	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1433	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1434	$self->update_buttons;
		1435	Coro::cede;
1445	$self->set_darkness_map;	1436	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1437	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1438	unless $self->difficulty;
		1439	Coro::cede;
1448	$self->activate;	1440	$self->activate;
1449	}	1441	}
1450		1442
1451	Coro::cede;	1443	$self->post_load;
1452		1444
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1445	$self->in_memory (cf::MAP_IN_MEMORY);
		1446	}
		1447
		1448	sub customise_for {
		1449	my ($self, $ob) = @_;
		1450
		1451	return find "~" . $ob->name . "/" . $self->{path}
		1452	if $self->per_player;
		1453
		1454	$self
		1455	}
		1456
		1457	# find and load all maps in the 3x3 area around a map
		1458	sub load_diag {
		1459	my ($map) = @_;
		1460
		1461	my @diag; # diagonal neighbours
		1462
		1463	for (0 .. 3) {
		1464	my $neigh = $map->tile_path ($_)
		1465	or next;
		1466	$neigh = find $neigh, $map
		1467	or next;
		1468	$neigh->load;
		1469
		1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1472	}
		1473
		1474	for (@diag) {
		1475	my $neigh = find @$_
		1476	or next;
		1477	$neigh->load;
		1478	}
1454	}	1479	}
1455		1480
1456	sub find_sync {	1481	sub find_sync {
1457	my ($path, $origin) = @_;	1482	my ($path, $origin) = @_;
1458		1483
1459	cf::sync_job { cf::map::find $path, $origin }	1484	cf::sync_job { find $path, $origin }
1460	}	1485	}
1461		1486
1462	sub do_load_sync {	1487	sub do_load_sync {
1463	my ($map) = @_;	1488	my ($map) = @_;
1464		1489
1465	cf::sync_job { $map->load };	1490	cf::sync_job { $map->load };
1466	}	1491	}
1467		1492
		1493	our %MAP_PREFETCH;
		1494	our $MAP_PREFETCHER = undef;
		1495
		1496	sub find_async {
		1497	my ($path, $origin) = @_;
		1498
		1499	$path = normalise $path, $origin && $origin->{path};
		1500
		1501	if (my $map = $cf::MAP{$path}) {
		1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1503	}
		1504
		1505	undef $MAP_PREFETCH{$path};
		1506	$MAP_PREFETCHER ||= cf::async {
		1507	while (%MAP_PREFETCH) {
		1508	for my $path (keys %MAP_PREFETCH) {
		1509	my $map = find $path
		1510	or next;
		1511	$map->load;
		1512
		1513	delete $MAP_PREFETCH{$path};
		1514	}
		1515	}
		1516	undef $MAP_PREFETCHER;
		1517	};
		1518	$MAP_PREFETCHER->prio (6);
		1519
		1520	()
		1521	}
		1522
1468	sub save {	1523	sub save {
1469	my ($self) = @_;	1524	my ($self) = @_;
1470		1525
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1527
1473	$self->{last_save} = $cf::RUNTIME;	1528	$self->{last_save} = $cf::RUNTIME;
1474		1529
1475	return unless $self->dirty;	1530	return unless $self->dirty;
1476		1531
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1532	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1533	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1534
1480	$self->{load_path} = $save;	1535	$self->{load_path} = $save;
1481		1536
1482	return if $self->{deny_save};	1537	return if $self->{deny_save};
1483		1538
…		…
1486	cf::async {	1541	cf::async {
1487	$_->contr->save for $self->players;	1542	$_->contr->save for $self->players;
1488	};	1543	};
1489		1544
1490	if ($uniq) {	1545	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1548	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1550	}
1496	}	1551	}
1497		1552
1498	sub swap_out {	1553	sub swap_out {
1499	my ($self) = @_;	1554	my ($self) = @_;
…		…
1513		1568
1514	sub reset_at {	1569	sub reset_at {
1515	my ($self) = @_;	1570	my ($self) = @_;
1516		1571
1517	# TODO: safety, remove and allow resettable per-player maps	1572	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1574	return 1e99 if $self->{deny_reset};
1520		1575
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1578
…		…
1528	my ($self) = @_;	1583	my ($self) = @_;
1529		1584
1530	$self->reset_at <= $cf::RUNTIME	1585	$self->reset_at <= $cf::RUNTIME
1531	}	1586	}
1532		1587
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1588	sub reset {
1555	my ($self) = @_;	1589	my ($self) = @_;
1556		1590
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1591	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1592
1559	return if $self->players;	1593	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1594	return if $self->isa ("ext::map_per_player");#d#
1561		1595
1562	warn "resetting map ", $self->path;#d#	1596	warn "resetting map ", $self->path;#d#
1563		1597
		1598	$self->in_memory (cf::MAP_SWAPPED);
		1599
		1600	# need to save uniques path
		1601	unless ($self->{deny_save}) {
		1602	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1603
		1604	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1605	if $uniq;
		1606	}
		1607
1564	delete $cf::MAP{$self->path};	1608	delete $cf::MAP{$self->path};
		1609
		1610	$self->clear;
1565		1611
1566	$_->clear_links_to ($self) for values %cf::MAP;	1612	$_->clear_links_to ($self) for values %cf::MAP;
1567		1613
1568	$self->unlink_save;	1614	$self->unlink_save;
1569	$self->destroy;	1615	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1618	my $nuke_counter = "aaaa";
1573		1619
1574	sub nuke {	1620	sub nuke {
1575	my ($self) = @_;	1621	my ($self) = @_;
1576		1622
		1623	delete $cf::MAP{$self->path};
		1624
		1625	$self->unlink_save;
		1626
		1627	bless $self, "cf::map";
		1628	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1629	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1630	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1632
		1633	$cf::MAP{$self->path} = $self;
		1634
1580	$self->reset; # polite request, might not happen	1635	$self->reset; # polite request, might not happen
1581	}	1636	}
1582		1637
1583	sub customise_for {	1638	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1639
1586	if ($map->per_player) {	1640	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1641	instantiated unique items. May block.
1588	}
1589		1642
1590	$map	1643	=cut
1591	}
1592		1644
1593	sub emergency_save {	1645	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1647	or return;
1595		1648
1596	warn "enter emergency perl save\n";	1649	my @paths;
1597		1650
1598	cf::sync_job {	1651	for (@$files) {
1599	warn "begin emergency player save\n";	1652	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1653	next if /\.pst$/;
1601	warn "end emergency player save\n";	1654	next unless /^$PATH_SEP/o;
1602		1655
1603	warn "begin emergency map save\n";	1656	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1657	}
1607		1658
1608	warn "leave emergency perl save\n";	1659	\@paths
1609	}	1660	}
1610		1661
1611	package cf;	1662	package cf;
1612		1663
1613	=back	1664	=back
1614		1665
		1666	=head3 cf::object
		1667
		1668	=cut
		1669
		1670	package cf::object;
		1671
		1672	=over 4
		1673
		1674	=item $ob->inv_recursive
		1675
		1676	Returns the inventory of the object _and_ their inventories, recursively.
		1677
		1678	=cut
		1679
		1680	sub inv_recursive_;
		1681	sub inv_recursive_ {
		1682	map { $_, inv_recursive_ $_->inv } @_
		1683	}
		1684
		1685	sub inv_recursive {
		1686	inv_recursive_ inv $_[0]
		1687	}
		1688
		1689	package cf;
		1690
		1691	=back
1615		1692
1616	=head3 cf::object::player	1693	=head3 cf::object::player
1617		1694
1618	=over 4	1695	=over 4
1619		1696
…		…
1659		1736
1660	=item $player_object->enter_link	1737	=item $player_object->enter_link
1661		1738
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1739	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1740
1664	The player should be reaosnably safe there for short amounts of time. You	1741	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	1742	I<MUST> call C<leave_link> as soon as possible, though.
1666		1743
		1744	Will never block.
		1745
1667	=item $player_object->leave_link ($map, $x, $y)	1746	=item $player_object->leave_link ($map, $x, $y)
1668		1747
1669	Moves the player out of the specila link map onto the given map. If the	1748	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1749	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1750	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1751	fails, to the emergency map position.
1673		1752
1674	Might block.	1753	Might block.
1675		1754
1676	=cut	1755	=cut
		1756
		1757	sub link_map {
		1758	unless ($LINK_MAP) {
		1759	$LINK_MAP = cf::map::find "{link}"
		1760	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1761	$LINK_MAP->load;
		1762	}
		1763
		1764	$LINK_MAP
		1765	}
1677		1766
1678	sub cf::object::player::enter_link {	1767	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1768	my ($self) = @_;
1680		1769
1681	$self->deactivate_recursive;	1770	$self->deactivate_recursive;
1682		1771
1683	return if $self->map == $LINK_MAP;	1772	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1773
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1775	if $self->map;
1687		1776
1688	$self->enter_map ($LINK_MAP, 20, 20);	1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1778	}
1690		1779
1691	sub cf::object::player::leave_link {	1780	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1781	my ($self, $map, $x, $y) = @_;
1693		1782
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1800	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1801	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1802	if $x <=0 && $y <= 0;
1714		1803
1715	$map->load;	1804	$map->load;
		1805	$map->load_diag;
1716		1806
1717	return unless $self->contr->active;	1807	return unless $self->contr->active;
1718	$self->activate_recursive;	1808	$self->activate_recursive;
		1809
		1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1811	$self->enter_map ($map, $x, $y);
1720	}	1812	}
1721		1813
1722	cf::player->attach (	1814	cf::player->attach (
1723	on_logout => sub {	1815	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1828	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1829	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1830	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1831	$pl->ob->enter_link;
1740	(async {	1832	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,	1833	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1834	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1835	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1836	cf::NDI_RED);
		1837	# we need this sleep as the login has a concurrent enter_exit running
		1838	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1839	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1840	$pl->ob->leave_link;
1749	})->prio (2);	1841	})->prio (2);
1750	}	1842	}
1751	},	1843	},
…		…
1756	=cut	1848	=cut
1757		1849
1758	sub cf::object::player::goto {	1850	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1851	my ($self, $path, $x, $y) = @_;
1760		1852
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1853	$self->enter_link;
1765		1854
1766	(async {	1855	(async {
		1856	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1857	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1858	$map = $map->customise_for ($self) if $map;
1769		1859	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1860	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1862
1775	$self->leave_link ($map, $x, $y);	1863	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1864	})->prio (1);
1777	}	1865	}
1778		1866
…		…
1782		1870
1783	sub parse_random_map_params {	1871	sub parse_random_map_params {
1784	my ($spec) = @_;	1872	my ($spec) = @_;
1785		1873
1786	my $rmp = { # defaults	1874	my $rmp = { # defaults
1787	xsize => 10,	1875	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1876	ysize => (cf::rndm 15, 40),
		1877	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1878	#layout => string,
1789	};	1879	};
1790		1880
1791	for (split /\n/, $spec) {	1881	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1882	my ($k, $v) = split /\s+/, $_, 2;
1793		1883
…		…
1797	$rmp	1887	$rmp
1798	}	1888	}
1799		1889
1800	sub prepare_random_map {	1890	sub prepare_random_map {
1801	my ($exit) = @_;	1891	my ($exit) = @_;
		1892
		1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1894
1803	# all this does is basically replace the /! path by	1895	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1896	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1897	# that depends on the exit object
1806		1898
1807	my $rmp = parse_random_map_params $exit->msg;	1899	my $rmp = parse_random_map_params $exit->msg;
1808		1900
1809	if ($exit->map) {	1901	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1902	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1903	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1904	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1905	$rmp->{origin_y} = $exit->y;
1814	}	1906	}
1815		1907
1816	$rmp->{random_seed} ||= $exit->random_seed;	1908	$rmp->{random_seed} ||= $exit->random_seed;
1817		1909
1818	my $data = cf::to_json $rmp;	1910	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1911	my $md5 = Digest::MD5::md5_hex $data;
		1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1913
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1915	aio_write $fh, 0, (length $data), $data, 0;
		1916	undef $fh;
		1917	aio_rename "$meta~", $meta;
1823		1918
1824	$exit->slaying ("?random/$md5");	1919	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1920	$exit->msg (undef);
1826	}	1921	}
1827	}	1922	}
1828		1923
1829	sub cf::object::player::enter_exit {	1924	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1925	my ($self, $exit) = @_;
1831		1926
1832	return unless $self->type == cf::PLAYER;	1927	return unless $self->type == cf::PLAYER;
		1928
		1929	if ($exit->slaying eq "/!") {
		1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1931	cf::sync_job { prepare_random_map $exit };
		1932	}
		1933
		1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1935	my $hp = $exit->stats->hp;
		1936	my $sp = $exit->stats->sp;
1833		1937
1834	$self->enter_link;	1938	$self->enter_link;
1835		1939
1836	(async {	1940	(async {
1837	$self->deactivate_recursive; # just to be sure	1941	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1942	unless (eval {
1839	prepare_random_map $exit	1943	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		1944
1845	1;	1945	1;
1846	}) {	1946	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1947	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1948	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1949	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1950	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1951
1852	warn "ERROR in enter_exit: $@";	1952	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1953	$self->leave_link;
1854	}	1954	}
…		…
1909	# get handled first	2009	# get handled first
1910	my $queue = delete $ns->{query_queue}	2010	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2012
1913	(shift @$queue)->[1]->($msg);	2013	(shift @$queue)->[1]->($msg);
		2014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2015
1915	push @{ $ns->{query_queue} }, @$queue;	2016	push @{ $ns->{query_queue} }, @$queue;
1916		2017
1917	if (@{ $ns->{query_queue} } == @$queue) {	2018	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2019	if (@$queue) {
…		…
2079	The parameter C<$family> should best start with the name of the extension	2180	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2181	using it, it should be unique.
2081		2182
2082	=over 4	2183	=over 4
2083		2184
2084	=item $hashref = cf::db_get $family
2085
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key	2185	=item $value = cf::db_get $family => $key
2091		2186
2092	Returns a single value from the database	2187	Returns a single value from the database.
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098		2188
2099	=item cf::db_put $family => $key => $value	2189	=item cf::db_put $family => $key => $value
2100		2190
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2191	Stores the given C<$value> in the family.
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111		2192
2112	=cut	2193	=cut
2113		2194
2114	our $DB;	2195	our $DB;
2115		2196
2116	{	2197	sub db_init {
		2198	unless ($DB) {
		2199	$DB = BDB::db_create $DB_ENV;
		2200
		2201	cf::sync_job {
		2202	eval {
		2203	$DB->set_flags (BDB::CHKSUM);
		2204
		2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2207	cf::cleanup "db_open(db): $!" if $!;
		2208	};
		2209	cf::cleanup "db_open(db): $@" if $@;
		2210	};
		2211
2117	my $path = cf::localdir . "/database.pst";	2212	my $path = cf::localdir . "/database.pst";
		2213	if (stat $path) {
		2214	cf::sync_job {
		2215	my $pst = Storable::retrieve $path;
2118		2216
2119	sub db_load() {	2217	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2218	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2219	cf::db_put (rent => balance => $pst->{rent}{balance});
		2220	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2221
2123	my $pid;	2222	unlink $path;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}	2223	};
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2224	}
2171	);	2225	}
		2226	}
		2227
		2228	sub db_get($$) {
		2229	my $key = "$_[0]/$_[1]";
		2230
		2231	cf::sync_job {
		2232	BDB::db_get $DB, undef, $key, my $data;
		2233
		2234	$! ? ()
		2235	: Compress::LZF::sthaw $data
		2236	}
		2237	}
		2238
		2239	sub db_put($$$) {
		2240	BDB::dbreq_pri 4;
		2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2172	}	2242	}
2173		2243
2174	#############################################################################	2244	#############################################################################
2175	# the server's main()	2245	# the server's init and main functions
		2246
		2247	sub init_resources {
		2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2249	or die "unable to load regions file\n";#d#
		2250	}
2176		2251
2177	sub cfg_load {	2252	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2254	or return;
2180		2255
…		…
2193	};	2268	};
2194	warn $@ if $@;	2269	warn $@ if $@;
2195	}	2270	}
2196	}	2271	}
2197		2272
		2273	sub init {
		2274	init_resources;
		2275	}
		2276
2198	sub main {	2277	sub main {
2199	# we must not ever block the main coroutine	2278	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2279	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2281	(async {
2202	async { Event::one_event };	2282	Event::one_event;
		2283	})->prio (Coro::PRIO_MAX);
2203	};	2284	};
2204		2285
2205	cfg_load;	2286	cfg_load;
2206	db_load;	2287	db_init;
2207	load_extensions;	2288	load_extensions;
		2289
		2290	$TICK_WATCHER->start;
2208	Event::loop;	2291	Event::loop;
2209	}	2292	}
2210		2293
2211	#############################################################################	2294	#############################################################################
2212	# initialisation	2295	# initialisation and cleanup
		2296
		2297	# install some emergency cleanup handlers
		2298	BEGIN {
		2299	for my $signal (qw(INT HUP TERM)) {
		2300	Event->signal (
		2301	reentrant => 0,
		2302	data => WF_AUTOCANCEL,
		2303	signal => $signal,
		2304	prio => 0,
		2305	cb => sub {
		2306	cf::cleanup "SIG$signal";
		2307	},
		2308	);
		2309	}
		2310	}
		2311
		2312	sub emergency_save() {
		2313	my $freeze_guard = cf::freeze_mainloop;
		2314
		2315	warn "enter emergency perl save\n";
		2316
		2317	cf::sync_job {
		2318	# use a peculiar iteration method to avoid tripping on perl
		2319	# refcount bugs in for. also avoids problems with players
		2320	# and maps saved/destroyed asynchronously.
		2321	warn "begin emergency player save\n";
		2322	for my $login (keys %cf::PLAYER) {
		2323	my $pl = $cf::PLAYER{$login} or next;
		2324	$pl->valid or next;
		2325	$pl->save;
		2326	}
		2327	warn "end emergency player save\n";
		2328
		2329	warn "begin emergency map save\n";
		2330	for my $path (keys %cf::MAP) {
		2331	my $map = $cf::MAP{$path} or next;
		2332	$map->valid or next;
		2333	$map->save;
		2334	}
		2335	warn "end emergency map save\n";
		2336
		2337	warn "begin emergency database checkpoint\n";
		2338	BDB::db_env_txn_checkpoint $DB_ENV;
		2339	warn "end emergency database checkpoint\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
		2344
		2345	sub post_cleanup {
		2346	my ($make_core) = @_;
		2347
		2348	warn Carp::longmess "post_cleanup backtrace"
		2349	if $make_core;
		2350	}
2213		2351
2214	sub reload() {	2352	sub reload() {
2215	# can/must only be called in main	2353	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2354	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2355	warn "can only reload from main coroutine";
2218	return;	2356	return;
2219	}	2357	}
2220		2358
2221	warn "reloading...";	2359	warn "reloading...";
2222		2360
2223	my $guard = freeze_mainloop;	2361	warn "entering sync_job";
		2362
		2363	cf::sync_job {
		2364	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2365	cf::emergency_save;
		2366	cf::write_runtime; # external watchdog should not bark
2225		2367
2226	eval {	2368	warn "syncing database to disk";
		2369	BDB::db_env_txn_checkpoint $DB_ENV;
		2370
2227	# if anything goes wrong in here, we should simply crash as we already saved	2371	# if anything goes wrong in here, we should simply crash as we already saved
2228		2372
2229	# cancel all watchers	2373	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2374	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2376	}
2233		2377
		2378	warn "flushing outstanding aio requests";
		2379	for (;;) {
		2380	BDB::flush;
		2381	IO::AIO::flush;
		2382	Coro::cede;
		2383	last unless IO::AIO::nreqs || BDB::nreqs;
		2384	warn "iterate...";
		2385	}
		2386
2234	# cancel all extension coros	2387	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2388	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2389	%EXT_CORO = ();
2237		2390
2238	# unload all extensions	2391	warn "removing commands";
2239	for (@exts) {	2392	%COMMAND = ();
		2393
		2394	warn "removing ext commands";
		2395	%EXTCMD = ();
		2396
		2397	warn "unloading/nuking all extensions";
		2398	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2399	warn "... unloading $pkg";
2241	unload_extension $_;	2400
		2401	if (my $cb = $pkg->can ("unload")) {
		2402	eval {
		2403	$cb->($pkg);
		2404	1
		2405	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2406	}
2243		2407
		2408	warn "... nuking $pkg";
		2409	Symbol::delete_package $pkg;
		2410	}
		2411
2244	# unload all modules loaded from $LIBDIR	2412	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2413	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2415
2248	warn "removing <$k>";	2416	warn "... unloading $k";
2249	delete $INC{$k};	2417	delete $INC{$k};
2250		2418
2251	$k =~ s/\.pm$//;	2419	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2420	$k =~ s/\//::/g;
2253		2421
…		…
2256	}	2424	}
2257		2425
2258	Symbol::delete_package $k;	2426	Symbol::delete_package $k;
2259	}	2427	}
2260		2428
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2429	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2430	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2432
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2433	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2434	delete $INC{"cf.pm"};
2274		2435
2275	# don't, removes xs symbols, too,	2436	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2437	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2438	#Symbol::delete_package __PACKAGE__;
2278		2439
2279	# reload cf.pm	2440	warn "unload completed, starting to reload now";
		2441
2280	warn "reloading cf.pm";	2442	warn "reloading cf.pm";
2281	require cf;	2443	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2445
2284	# load config and database again	2446	warn "loading config and database again";
2285	cf::cfg_load;	2447	cf::cfg_load;
2286	cf::db_load;
2287		2448
2288	# load extensions
2289	warn "load extensions";	2449	warn "loading extensions";
2290	cf::load_extensions;	2450	cf::load_extensions;
2291		2451
2292	# reattach attachments to objects	2452	warn "reattaching attachments to objects/players";
2293	warn "reattach";
2294	_global_reattach;	2453	_global_reattach;
		2454	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2455	reattach $_ for values %MAP;
2296	};
2297		2456
2298	if ($@) {	2457	warn "loading reloadable resources";
		2458	init_resources;
		2459
		2460	warn "leaving sync_job";
		2461
		2462	1
		2463	} or do {
2299	warn $@;	2464	warn $@;
2300	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2301	exit 1;	2466	exit 1;
2302	}	2467	};
2303		2468
2304	warn "reloaded successfully";	2469	warn "reloaded";
2305	};	2470	};
2306		2471
2307	#############################################################################	2472	our $RELOAD_WATCHER; # used only during reload
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2473
2352	register_command "reload" => sub {	2474	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2354		2476
2355	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2478	$who->message ("reloading server.");
		2479
		2480	# doing reload synchronously and two reloads happen back-to-back,
		2481	# coro crashes during coro_state_free->destroy here.
		2482
		2483	$RELOAD_WATCHER ||= Event->timer (
		2484	reentrant => 0,
		2485	after => 0,
		2486	data => WF_AUTOCANCEL,
		2487	cb => sub {
2357	reload;	2488	reload;
2358	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2359	}	2492	}
2360	};	2493	};
2361		2494
2362	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2363		2498
2364	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2366	prio => 0,	2502	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2369	cb => sub {	2505	cb => sub {
		2506	if ($Coro::current != $Coro::main) {
		2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2508	unless ++$bug_warning > 10;
		2509	return;
		2510	}
		2511
		2512	$NOW = Event::time;
		2513
2370	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2516	$NEXT_TICK += $TICK;
		2517
		2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2519	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2520	Coro::async_pool {
		2521	write_runtime
		2522	or warn "ERROR: unable to write runtime file: $!";
		2523	};
		2524	}
		2525
		2526
		2527	$WAIT_FOR_TICK->broadcast;
		2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2529
		2530	# my $AFTER = Event::time;
		2531	# warn $AFTER - $NOW;#d#
2373		2532
2374	# if we are delayed by four ticks or more, skip them all	2533	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2535
2377	$TICK_WATCHER->at ($NEXT_TICK);	2536	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2537	$TICK_WATCHER->start;
2379	},	2538	},
2380	);	2539	);
2381		2540
		2541	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2542	BDB::max_poll_time $TICK * 0.1;
2383		2543	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2544	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2545	fd => BDB::poll_fileno,
2386	poll => 'r',	2546	poll => 'r',
2387	prio => 5,	2547	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2394	after => 0,	2549	cb => \&BDB::poll_cb,
2395	interval => 10,	2550	);
2396	cb => sub {	2551	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2552
2398	write_runtime	2553	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2554	my $status;
		2555	my $current = $Coro::current;
		2556	(
		2557	sub {
		2558	$status = $!;
		2559	$current->ready; undef $current;
		2560	},
		2561	sub {
		2562	Coro::schedule while defined $current;
		2563	$! = $status;
		2564	},
		2565	)
		2566	};
		2567
		2568	unless ($DB_ENV) {
		2569	$DB_ENV = BDB::db_env_create;
		2570
		2571	cf::sync_job {
		2572	eval {
		2573	BDB::db_env_open
		2574	$DB_ENV,
		2575	$BDB_ENV_DIR,
		2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2578	0666;
		2579
		2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2581
		2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2583	$DB_ENV->set_lk_detect;
		2584	};
		2585
		2586	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2587	};
2401	},	2588	}
2402	);	2589	}
		2590
		2591	{
		2592	IO::AIO::min_parallel 8;
		2593
		2594	undef $Coro::AIO::WATCHER;
		2595	IO::AIO::max_poll_time $TICK * 0.1;
		2596	$AIO_POLL_WATCHER = Event->io (
		2597	reentrant => 0,
		2598	data => WF_AUTOCANCEL,
		2599	fd => IO::AIO::poll_fileno,
		2600	poll => 'r',
		2601	prio => 6,
		2602	cb => \&IO::AIO::poll_cb,
		2603	);
		2604	}
2403		2605
2404	END { cf::emergency_save }	2606	END { cf::emergency_save }
2405		2607
2406	1	2608	1
2407		2609

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