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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.144 by root, Sun Jan 7 18:01:10 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 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 ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	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
25		30
26	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
27		34
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$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
32		39
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
		48	our $RELOAD; # number of reloads so far
39	our @EVENT;	49	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	50	our $LIBDIR = datadir . "/ext";
41		51
42	our $TICK = MAX_TIME * 1e-6;	52	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	53	our $TICK_WATCHER;
		54	our $AIO_POLL_WATCHER;
		55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	56	our $NEXT_TICK;
45	our $NOW;	57	our $NOW;
		58	our $USE_FSYNC = 1; # use fsync to write maps - default off
		59
		60	our $BDB_POLL_WATCHER;
		61	our $DB_ENV;
46		62
47	our %CFG;	63	our %CFG;
48		64
49	our $UPTIME; $UPTIME ||= time;	65	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	66	our $RUNTIME;
51		67
52	our %PLAYER; # all users	68	our %PLAYER; # all users
53	our %MAP; # all maps	69	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	70	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	71	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	72	our $BDB_ENV_DIR = cf::localdir . "/db";
		73
		74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		76
		77	# used to convert map paths into valid unix filenames by replacing / by ∕
		78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		79
58	binmode STDOUT;	80	binmode STDOUT;
59	binmode STDERR;	81	binmode STDERR;
60		82
61	# read virtual server time, if available	83	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	90	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	91	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	92	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	93	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	94	mkdir $RANDOM_MAPS;
		95	mkdir $BDB_ENV_DIR;
73		96
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	97	our $EMERGENCY_POSITION;
		98
		99	sub cf::map::normalise;
77		100
78	#############################################################################	101	#############################################################################
79		102
80	=head2 GLOBAL VARIABLES	103	=head2 GLOBAL VARIABLES
81		104
…		…
105		128
106	=item %cf::CFG	129	=item %cf::CFG
107		130
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	131	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	132	from wherever your confdir points to.
		133
		134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		135
		136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		138	processing has been done. Call C<< ->wait >> on them to maximise the
		139	window of cpu time available, or simply to synchronise to the server tick.
110		140
111	=back	141	=back
112		142
113	=cut	143	=cut
114		144
…		…
118	utf8::encode $msg;	148	utf8::encode $msg;
119		149
120	$msg .= "\n"	150	$msg .= "\n"
121	unless $msg =~ /\n$/;	151	unless $msg =~ /\n$/;
122		152
123	LOG llevError, "cfperl: $msg";	153	LOG llevError, $msg;
124	};	154	};
125	}	155	}
126		156
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		176
147	$Event::DIED = sub {	177	$Event::DIED = sub {
148	warn "error in event callback: @_";	178	warn "error in event callback: @_";
149	};	179	};
150		180
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	181	=head2 UTILITY FUNCTIONS
156		182
157	=over 4	183	=over 4
158		184
		185	=item dumpval $ref
		186
159	=cut	187	=cut
		188
		189	sub dumpval {
		190	eval {
		191	local $SIG{__DIE__};
		192	my $d;
		193	if (1) {
		194	$d = new Data::Dumper([$_[0]], ["*var"]);
		195	$d->Terse(1);
		196	$d->Indent(2);
		197	$d->Quotekeys(0);
		198	$d->Useqq(1);
		199	#$d->Bless(...);
		200	$d->Seen($_[1]) if @_ > 1;
		201	$d = $d->Dump();
		202	}
		203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		204	$d
		205	} || "[unable to dump $_[0]: '$@']";
		206	}
160		207
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	208	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		209
163	=item $ref = cf::from_json $json	210	=item $ref = cf::from_json $json
164		211
…		…
225	}	272	}
226		273
227	sub freeze_mainloop {	274	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	275	return unless $TICK_WATCHER->is_active;
229		276
230	my $guard = Coro::guard { $TICK_WATCHER->start };	277	my $guard = Coro::guard {
		278	$TICK_WATCHER->start;
		279	};
231	$TICK_WATCHER->stop;	280	$TICK_WATCHER->stop;
232	$guard	281	$guard
233	}	282	}
234		283
235	=item cf::async { BLOCK }	284	=item cf::async { BLOCK }
…		…
287	}	336	}
288	}	337	}
289		338
290	=item $coro = cf::async_ext { BLOCK }	339	=item $coro = cf::async_ext { BLOCK }
291		340
292	Like async, but this coro is automcatially being canceled when the	341	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	342	extension calling this is being unloaded.
294		343
295	=cut	344	=cut
296		345
297	sub async_ext(&) {	346	sub async_ext(&) {
…		…
306		355
307	$coro	356	$coro
308	}	357	}
309		358
310	sub write_runtime {	359	sub write_runtime {
		360	my $guard = cf::lock_acquire "write_runtime";
		361
311	my $runtime = cf::localdir . "/runtime";	362	my $runtime = cf::localdir . "/runtime";
312		363
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	365	or return;
315		366
		367	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	368	# 10 is the runtime save interval, for a monotonic clock
		369	# 60 allows for the watchdog to kill the server.
		370
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	372	and return;
319		373
		374	# always fsync - this file is important
320	aio_fsync $fh	375	aio_fsync $fh
321	and return;	376	and return;
322		377
323	close $fh	378	close $fh
324	or return;	379	or return;
…		…
330	}	385	}
331		386
332	=back	387	=back
333		388
334	=cut	389	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		390
456	#############################################################################	391	#############################################################################
457		392
458	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
459		394
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	521	our @CB_MAP = ();
587		522
588	my %attachment;	523	my %attachment;
589		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
590	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
592		533
593	use sort 'stable';	534	use sort 'stable';
594		535
…		…
765	# object support	706	# object support
766		707
767	sub reattach {	708	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		713
771	my $registry = $obj->registry;	714	my $registry = $obj->registry;
772		715
773	@$registry = ();	716	@$registry = ();
774		717
…		…
821	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
822		765
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	770	close $fh;
828		771
829	if (@$objs) {	772	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	778	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
837	}	780	}
838	} else {	781	} else {
839	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
906	=cut	849	=cut
907		850
908	sub register_extcmd {	851	sub register_extcmd {
909	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
910		853
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
915	}	855	}
916		856
917	cf::player->attach (	857	cf::player->attach (
918	on_command => sub {	858	on_command => sub {
919	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
932		872
933	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
934		874
935	if (ref $msg) {	875	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	879	}
940	}	880	}
941	} else {	881	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		884
945	cf::override;	885	cf::override;
946	},	886	},
947	);	887	);
948		888
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	889	sub load_extension {
956	my ($path) = @_;	890	my ($path) = @_;
957		891
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	893	my $base = $1;
960	my $pkg = $1;	894	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
963		897
964	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
965		899
966	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
967	or die "$path: $!";	901	or die "$path: $!";
968		902
969	my $source =	903	my $source =
970	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
973	. "\n};\n1";	907	. "\n};\n1";
974		908
975	eval $source	909	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	911	: "extension disabled.\n";
978		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	913	warn $@;
980	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
981		915	exit 1;
982	# no strict 'refs';	916	}
983	# @{"$pkg\::ISA"} = ext::;	917	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	918	}
998		919
999	# remove commands	920	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	921	}
1024		922
1025	sub load_extensions {	923	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	925	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1032	}	930	}
1033	}	931	}
1034		932
1035	#############################################################################	933	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		934
1073	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1074		936
1075	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1076		938
1077	=cut	939	=cut
1078		940
1079	package cf::player;	941	package cf::player;
1080		942
		943	use Coro::AIO;
		944
1081	=head3 cf::player	945	=head3 cf::player
1082		946
1083	=over 4	947	=over 4
1084		948
1085	=item cf::player::find $login	949	=item cf::player::find $login
1086		950
1087	Returns the given player object, loading it if necessary (might block).	951	Returns the given player object, loading it if necessary (might block).
1088		952
1089	=cut	953	=cut
1090		954
		955	sub playerdir($) {
		956	cf::localdir
		957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		961	}
		962
1091	sub path($) {	963	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	965
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	966	(playerdir $login) . "/$login.pl"
1095	}	967	}
1096		968
1097	sub find_active($) {	969	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	970	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	971	and $cf::PLAYER{$_[0]}->active
…		…
1102		974
1103	sub exists($) {	975	sub exists($) {
1104	my ($login) = @_;	976	my ($login) = @_;
1105		977
1106	$cf::PLAYER{$login}	978	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	979	or cf::sync_job { !aio_stat path $login }
1108	}	980	}
1109		981
1110	sub find($) {	982	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	983	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	984	my $login = $_[0];
1113		985
1114	my $guard = cf::lock_acquire "user_find:$login";	986	my $guard = cf::lock_acquire "user_find:$login";
1115		987
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	988	$cf::PLAYER{$_[0]} || do {
		989	my $pl = load_pl path $login
		990	or return;
		991	$cf::PLAYER{$login} = $pl
		992	}
1117	};	993	}
1118	}	994	}
1119		995
1120	sub save($) {	996	sub save($) {
1121	my ($pl) = @_;	997	my ($pl) = @_;
1122		998
…		…
1124		1000
1125	my $path = path $pl;	1001	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1002	my $guard = cf::lock_acquire "user_save:$path";
1127		1003
1128	return if $pl->{deny_save};	1004	return if $pl->{deny_save};
		1005
		1006	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1007	$pl->{last_save} = $cf::RUNTIME;
1130		1008
1131	Coro::cede;
1132	$pl->save_pl ($path);	1009	$pl->save_pl ($path);
1133	Coro::cede;	1010	Coro::cede;
1134	}	1011	}
1135		1012
1136	sub new($) {	1013	sub new($) {
…		…
1144	$cf::PLAYER{$login} = $self;	1021	$cf::PLAYER{$login} = $self;
1145		1022
1146	$self	1023	$self
1147	}	1024	}
1148		1025
		1026	=item $pl->quit_character
		1027
		1028	Nukes the player without looking back. If logged in, the connection will
		1029	be destroyed. May block for a long time.
		1030
		1031	=cut
		1032
		1033	sub quit_character {
		1034	my ($pl) = @_;
		1035
		1036	my $name = $pl->ob->name;
		1037
		1038	$pl->{deny_save} = 1;
		1039	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1040
		1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1042	$pl->deactivate;
		1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1044	$pl->ns->destroy if $pl->ns;
		1045
		1046	my $path = playerdir $pl;
		1047	my $temp = "$path~$cf::RUNTIME~deleting~";
		1048	aio_rename $path, $temp;
		1049	delete $cf::PLAYER{$pl->ob->name};
		1050	$pl->destroy;
		1051
		1052	my $prefix = qr<^~\Q$name\E/>;
		1053
		1054	# nuke player maps
		1055	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1056
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item $pl->kick
		1061
		1062	Kicks a player out of the game. This destroys the connection.
		1063
		1064	=cut
		1065
		1066	sub kick {
		1067	my ($pl, $kicker) = @_;
		1068
		1069	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1070	$pl->killer ("kicked");
		1071	$pl->ns->destroy;
		1072	}
		1073
		1074	=item cf::player::list_logins
		1075
		1076	Returns am arrayref of all valid playernames in the system, can take a
		1077	while and may block, so not sync_job-capable, ever.
		1078
		1079	=cut
		1080
		1081	sub list_logins {
		1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1083	or return [];
		1084
		1085	my @logins;
		1086
		1087	for my $login (@$dirs) {
		1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1089	aio_read $fh, 0, 512, my $buf, 0 or next;
		1090	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1091
		1092	utf8::decode $login;
		1093	push @logins, $login;
		1094	}
		1095
		1096	\@logins
		1097	}
		1098
		1099	=item $player->maps
		1100
		1101	Returns an arrayref of map paths that are private for this
		1102	player. May block.
		1103
		1104	=cut
		1105
		1106	sub maps($) {
		1107	my ($pl) = @_;
		1108
		1109	$pl = ref $pl ? $pl->ob->name : $pl;
		1110
		1111	my $files = aio_readdir playerdir $pl
		1112	or return;
		1113
		1114	my @paths;
		1115
		1116	for (@$files) {
		1117	utf8::decode $_;
		1118	next if /\.(?:pl|pst)$/;
		1119	next unless /^$PATH_SEP/o;
		1120
		1121	push @paths, cf::map::normalise "~$pl/$_";
		1122	}
		1123
		1124	\@paths
		1125	}
		1126
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1127	=item $player->ext_reply ($msgid, $msgtype, %msg)
1150		1128
1151	Sends an ext reply to the player.	1129	Sends an ext reply to the player.
1152		1130
1153	=cut	1131	=cut
…		…
1174	package cf::map;	1152	package cf::map;
1175		1153
1176	use Fcntl;	1154	use Fcntl;
1177	use Coro::AIO;	1155	use Coro::AIO;
1178		1156
		1157	use overload
		1158	'""' => \&as_string,
		1159	fallback => 1;
		1160
1179	our $MAX_RESET = 3600;	1161	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1162	our $DEFAULT_RESET = 3000;
1181		1163
1182	sub generate_random_map {	1164	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1165	my ($self, $rmp) = @_;
1184
1185	# mit "rum" bekleckern, nicht	1166	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1167	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1171	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1172	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(cf::region::find $rmp->{region})	1178	(cf::region::find $rmp->{region}), $rmp->{custom}
		1179	)
		1180	}
		1181
		1182	=item cf::map->register ($regex, $prio)
		1183
		1184	Register a handler for the map path matching the given regex at the
		1185	givne priority (higher is better, built-in handlers have priority 0, the
		1186	default).
		1187
		1188	=cut
		1189
		1190	sub register {
		1191	my (undef, $regex, $prio) = @_;
		1192	my $pkg = caller;
		1193
		1194	no strict;
		1195	push @{"$pkg\::ISA"}, __PACKAGE__;
		1196
		1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1198	}
		1199
		1200	# also paths starting with '/'
		1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1202
		1203	sub thawer_merge {
		1204	my ($self, $merge) = @_;
		1205
		1206	# we have to keep some variables in memory intact
		1207	local $self->{path};
		1208	local $self->{load_path};
		1209	local $self->{deny_save};
		1210	local $self->{deny_reset};
		1211
		1212	$self->SUPER::thawer_merge ($merge);
		1213	}
		1214
		1215	sub normalise {
		1216	my ($path, $base) = @_;
		1217
		1218	$path = "$path"; # make sure its a string
		1219
		1220	$path =~ s/\.map$//;
		1221
		1222	# map plan:
		1223	#
		1224	# /! non-realised random map exit (special hack!)
		1225	# {... are special paths that are not being touched
		1226	# ?xxx/... are special absolute paths
		1227	# ?random/... random maps
		1228	# /... normal maps
		1229	# ~user/... per-player map of a specific user
		1230
		1231	$path =~ s/$PATH_SEP/\//go;
		1232
		1233	# treat it as relative path if it starts with
		1234	# something that looks reasonable
		1235	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1236	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1237
		1238	$base =~ s{[^/]+/?$}{};
		1239	$path = "$base/$path";
		1240	}
		1241
		1242	for ($path) {
		1243	redo if s{//}{/};
		1244	redo if s{/\.?/}{/};
		1245	redo if s{/[^/]+/\.\./}{/};
		1246	}
		1247
		1248	$path
		1249	}
		1250
		1251	sub new_from_path {
		1252	my (undef, $path, $base) = @_;
		1253
		1254	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1255
		1256	$path = normalise $path, $base;
		1257
		1258	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1259	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1260	my $self = bless cf::map::new, $pkg;
		1261	$self->{path} = $path; $self->path ($path);
		1262	$self->init; # pass $1 etc.
		1263	return $self;
		1264	}
		1265	}
		1266
		1267	Carp::carp "unable to resolve path '$path' (base '$base').";
		1268	()
		1269	}
		1270
		1271	sub init {
		1272	my ($self) = @_;
		1273
		1274	$self
		1275	}
		1276
		1277	sub as_string {
		1278	my ($self) = @_;
		1279
		1280	"$self->{path}"
		1281	}
		1282
		1283	# the displayed name, this is a one way mapping
		1284	sub visible_name {
		1285	&as_string
		1286	}
		1287
		1288	# the original (read-only) location
		1289	sub load_path {
		1290	my ($self) = @_;
		1291
		1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1293	}
		1294
		1295	# the temporary/swap location
		1296	sub save_path {
		1297	my ($self) = @_;
		1298
		1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1301	}
		1302
		1303	# the unique path, undef == no special unique path
		1304	sub uniq_path {
		1305	my ($self) = @_;
		1306
		1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1199	}	1309	}
1200		1310
1201	# and all this just because we cannot iterate over	1311	# and all this just because we cannot iterate over
1202	# all maps in C++...	1312	# all maps in C++...
1203	sub change_all_map_light {	1313	sub change_all_map_light {
…		…
1205		1315
1206	$_->change_map_light ($change)	1316	$_->change_map_light ($change)
1207	for grep $_->outdoor, values %cf::MAP;	1317	for grep $_->outdoor, values %cf::MAP;
1208	}	1318	}
1209		1319
		1320	sub unlink_save {
		1321	my ($self) = @_;
		1322
		1323	utf8::encode (my $save = $self->save_path);
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1325	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1326	}
		1327
1210	sub try_load_header($) {	1328	sub load_header_from($) {
1211	my ($path) = @_;	1329	my ($self, $path) = @_;
1212		1330
1213	utf8::encode $path;	1331	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1215	or return;	1336	or return;
1216		1337
1217	my $map = cf::map::new	1338	$self->{load_path} = $path;
		1339
		1340	1
		1341	}
		1342
		1343	sub load_header_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->load_header_from ($self->load_path)
		1347	}
		1348
		1349	sub load_header_temp {
		1350	my ($self) = @_;
		1351
		1352	$self->load_header_from ($self->save_path)
		1353	}
		1354
		1355	sub prepare_temp {
		1356	my ($self) = @_;
		1357
		1358	$self->last_access ((delete $self->{last_access})
		1359	|| $cf::RUNTIME); #d#
		1360	# safety
		1361	$self->{instantiate_time} = $cf::RUNTIME
		1362	if $self->{instantiate_time} > $cf::RUNTIME;
		1363	}
		1364
		1365	sub prepare_orig {
		1366	my ($self) = @_;
		1367
		1368	$self->{load_original} = 1;
		1369	$self->{instantiate_time} = $cf::RUNTIME;
		1370	$self->last_access ($cf::RUNTIME);
		1371	$self->instantiate;
		1372	}
		1373
		1374	sub load_header {
		1375	my ($self) = @_;
		1376
		1377	if ($self->load_header_temp) {
		1378	$self->prepare_temp;
		1379	} else {
		1380	$self->load_header_orig
1218	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1219		1384
1220	# for better error messages only, will be overwritten	1385	1
1221	$map->path ($path);
1222
1223	$map->load_header ($path)
1224	or return;
1225
1226	$map->{load_path} = $path;
1227
1228	$map
1229	}	1386	}
1230		1387
1231	sub find;	1388	sub find;
1232	sub find {	1389	sub find {
1233	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1234		1391
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1392	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1393
1240	cf::lock_wait "map_find:$key";	1394	cf::lock_wait "map_find:$path";
1241		1395
1242	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1397	my $guard = cf::lock_acquire "map_find:$path";
1244		1398	my $map = new_from_path cf::map $path
1245	# do it the slow way
1246	my $map = try_load_header $path->save_path;
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1399	or return;
1264		1400
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1401	$map->{last_save} = $cf::RUNTIME;
1277		1402
1278	Coro::cede;	1403	$map->load_header
		1404	or return;
1279		1405
1280	if ($map->should_reset) {	1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1407	# doing this can freeze the server in a sync job, obviously
		1408	#$cf::WAIT_FOR_TICK->wait;
1281	$map->reset;	1409	$map->reset;
1282	undef $guard;	1410	undef $guard;
1283	$map = find $path	1411	return find $path;
1284	or return;
1285	}	1412	}
1286		1413
1287	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1288	}	1415	}
1289	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1290		1420
1291	sub load {	1421	sub load {
1292	my ($self) = @_;	1422	my ($self) = @_;
1293		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
1294	my $path = $self->{path};	1426	my $path = $self->{path};
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1427	my $guard = cf::lock_acquire "map_load:$path";
1296		1428
1297	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1298		1430
1299	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1300		1432
1301	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1302	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1303	or return;	1438	or return;
1304		1439
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306	if delete $self->{load_original};	1441	if delete $self->{load_original};
1307		1442
1308	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	1444	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1311	$self->clear_unique_items;	1446	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1313	}	1448	}
1314	}	1449	}
1315		1450
1316	Coro::cede;	1451	Coro::cede;
1317		1452
1318	# now do the right thing for maps	1453	# now do the right thing for maps
1319	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1320		1455
1321	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1322	$self->{deny_save} = 1;	1457	$self->decay_objects;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1328	$self->set_darkness_map;	1461	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1331	$self->activate;	1465	$self->activate;
1332	}	1466	}
1333		1467
1334	Coro::cede;	1468	$self->post_load;
1335		1469
1336	$self->in_memory (cf::MAP_IN_MEMORY);	1470	$self->in_memory (cf::MAP_IN_MEMORY);
		1471	}
		1472
		1473	sub customise_for {
		1474	my ($self, $ob) = @_;
		1475
		1476	return find "~" . $ob->name . "/" . $self->{path}
		1477	if $self->per_player;
		1478
		1479	$self
		1480	}
		1481
		1482	# find and load all maps in the 3x3 area around a map
		1483	sub load_diag {
		1484	my ($map) = @_;
		1485
		1486	my @diag; # diagonal neighbours
		1487
		1488	for (0 .. 3) {
		1489	my $neigh = $map->tile_path ($_)
		1490	or next;
		1491	$neigh = find $neigh, $map
		1492	or next;
		1493	$neigh->load;
		1494
		1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1497	}
		1498
		1499	for (@diag) {
		1500	my $neigh = find @$_
		1501	or next;
		1502	$neigh->load;
		1503	}
1337	}	1504	}
1338		1505
1339	sub find_sync {	1506	sub find_sync {
1340	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1341		1508
1342	cf::sync_job { cf::map::find $path, $origin }	1509	cf::sync_job { find $path, $origin }
1343	}	1510	}
1344		1511
1345	sub do_load_sync {	1512	sub do_load_sync {
1346	my ($map) = @_;	1513	my ($map) = @_;
1347		1514
1348	cf::sync_job { $map->load };	1515	cf::sync_job { $map->load };
1349	}	1516	}
1350		1517
		1518	our %MAP_PREFETCH;
		1519	our $MAP_PREFETCHER = undef;
		1520
		1521	sub find_async {
		1522	my ($path, $origin) = @_;
		1523
		1524	$path = normalise $path, $origin && $origin->{path};
		1525
		1526	if (my $map = $cf::MAP{$path}) {
		1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1528	}
		1529
		1530	undef $MAP_PREFETCH{$path};
		1531	$MAP_PREFETCHER ||= cf::async {
		1532	while (%MAP_PREFETCH) {
		1533	for my $path (keys %MAP_PREFETCH) {
		1534	my $map = find $path
		1535	or next;
		1536	$map->load;
		1537
		1538	delete $MAP_PREFETCH{$path};
		1539	}
		1540	}
		1541	undef $MAP_PREFETCHER;
		1542	};
		1543	$MAP_PREFETCHER->prio (6);
		1544
		1545	()
		1546	}
		1547
1351	sub save {	1548	sub save {
1352	my ($self) = @_;	1549	my ($self) = @_;
1353		1550
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1355		1552
1356	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1357		1554
1358	return unless $self->dirty;	1555	return unless $self->dirty;
1359		1556
1360	my $save = $self->{path}->save_path; utf8::encode $save;	1557	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		1559
1363	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1364		1561
1365	return if $self->{deny_save};	1562	return if $self->{deny_save};
1366		1563
…		…
1369	cf::async {	1566	cf::async {
1370	$_->contr->save for $self->players;	1567	$_->contr->save for $self->players;
1371	};	1568	};
1372		1569
1373	if ($uniq) {	1570	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	1573	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	1575	}
1379	}	1576	}
1380		1577
1381	sub swap_out {	1578	sub swap_out {
1382	my ($self) = @_;	1579	my ($self) = @_;
…		…
1396		1593
1397	sub reset_at {	1594	sub reset_at {
1398	my ($self) = @_;	1595	my ($self) = @_;
1399		1596
1400	# TODO: safety, remove and allow resettable per-player maps	1597	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};	1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1402	return 1e99 if $self->{deny_reset};	1599	return 1e99 if $self->{deny_reset};
1403		1600
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		1603
…		…
1411	my ($self) = @_;	1608	my ($self) = @_;
1412		1609
1413	$self->reset_at <= $cf::RUNTIME	1610	$self->reset_at <= $cf::RUNTIME
1414	}	1611	}
1415		1612
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	1613	sub reset {
1438	my ($self) = @_;	1614	my ($self) = @_;
1439		1615
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		1617
1442	return if $self->players;	1618	return if $self->players;
1443	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1444		1620
1445	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1446		1622
		1623	$self->in_memory (cf::MAP_SWAPPED);
		1624
		1625	# need to save uniques path
		1626	unless ($self->{deny_save}) {
		1627	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1628
		1629	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1630	if $uniq;
		1631	}
		1632
1447	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1448		1636
1449	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1450		1638
1451	$self->unlink_save;	1639	$self->unlink_save;
1452	$self->destroy;	1640	$self->destroy;
…		…
1455	my $nuke_counter = "aaaa";	1643	my $nuke_counter = "aaaa";
1456		1644
1457	sub nuke {	1645	sub nuke {
1458	my ($self) = @_;	1646	my ($self) = @_;
1459		1647
		1648	delete $cf::MAP{$self->path};
		1649
		1650	$self->unlink_save;
		1651
		1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	1654	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	1655	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1657
		1658	$cf::MAP{$self->path} = $self;
		1659
1463	$self->reset; # polite request, might not happen	1660	$self->reset; # polite request, might not happen
1464	}	1661	}
1465		1662
1466	sub customise_for {	1663	=item cf::map::unique_maps
1467	my ($map, $ob) = @_;
1468		1664
1469	if ($map->per_player) {	1665	Returns an arrayref of paths of all shared maps that have
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1666	instantiated unique items. May block.
1471	}
1472		1667
1473	$map	1668	=cut
1474	}
1475		1669
1476	sub emergency_save {	1670	sub unique_maps() {
1477	my $freeze_guard = cf::freeze_mainloop;	1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
1478		1673
1479	warn "enter emergency perl save\n";	1674	my @paths;
1480		1675
1481	cf::sync_job {	1676	for (@$files) {
1482	warn "begin emergency player save\n";	1677	utf8::decode $_;
1483	$_->save for values %cf::PLAYER;	1678	next if /\.pst$/;
1484	warn "end emergency player save\n";	1679	next unless /^$PATH_SEP/o;
1485		1680
1486	warn "begin emergency map save\n";	1681	push @paths, cf::map::normalise $_;
1487	$_->save for values %cf::MAP;
1488	warn "end emergency map save\n";
1489	};	1682	}
1490		1683
1491	warn "leave emergency perl save\n";	1684	\@paths
1492	}	1685	}
1493		1686
1494	package cf;	1687	package cf;
1495		1688
1496	=back	1689	=back
1497		1690
		1691	=head3 cf::object
		1692
		1693	=cut
		1694
		1695	package cf::object;
		1696
		1697	=over 4
		1698
		1699	=item $ob->inv_recursive
		1700
		1701	Returns the inventory of the object _and_ their inventories, recursively.
		1702
		1703	=cut
		1704
		1705	sub inv_recursive_;
		1706	sub inv_recursive_ {
		1707	map { $_, inv_recursive_ $_->inv } @_
		1708	}
		1709
		1710	sub inv_recursive {
		1711	inv_recursive_ inv $_[0]
		1712	}
		1713
		1714	package cf;
		1715
		1716	=back
1498		1717
1499	=head3 cf::object::player	1718	=head3 cf::object::player
1500		1719
1501	=over 4	1720	=over 4
1502		1721
…		…
1542		1761
1543	=item $player_object->enter_link	1762	=item $player_object->enter_link
1544		1763
1545	Freezes the player and moves him/her to a special map (C<{link}>).	1764	Freezes the player and moves him/her to a special map (C<{link}>).
1546		1765
1547	The player should be reaosnably safe there for short amounts of time. You	1766	The player should be reasonably safe there for short amounts of time. You
1548	I<MUST> call C<leave_link> as soon as possible, though.	1767	I<MUST> call C<leave_link> as soon as possible, though.
1549		1768
		1769	Will never block.
		1770
1550	=item $player_object->leave_link ($map, $x, $y)	1771	=item $player_object->leave_link ($map, $x, $y)
1551		1772
1552	Moves the player out of the specila link map onto the given map. If the	1773	Moves the player out of the special C<{link}> map onto the specified
1553	map is not valid (or omitted), the player will be moved back to the	1774	map. If the map is not valid (or omitted), the player will be moved back
1554	location he/she was before the call to C<enter_link>, or, if that fails,	1775	to the location he/she was before the call to C<enter_link>, or, if that
1555	to the emergency map position.	1776	fails, to the emergency map position.
1556		1777
1557	Might block.	1778	Might block.
1558		1779
1559	=cut	1780	=cut
		1781
		1782	sub link_map {
		1783	unless ($LINK_MAP) {
		1784	$LINK_MAP = cf::map::find "{link}"
		1785	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1786	$LINK_MAP->load;
		1787	}
		1788
		1789	$LINK_MAP
		1790	}
1560		1791
1561	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1562	my ($self) = @_;	1793	my ($self) = @_;
1563		1794
1564	$self->deactivate_recursive;	1795	$self->deactivate_recursive;
1565		1796
1566	return if $self->map == $LINK_MAP;	1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1567		1798
1568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569	if $self->map;	1800	if $self->map;
1570		1801
1571	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1572	}	1803	}
1573		1804
1574	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1575	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1576		1807
…		…
1594	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1595	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1596	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1597		1828
1598	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1599		1831
1600	return unless $self->contr->active;	1832	return unless $self->contr->active;
1601	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1602	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1603	}	1837	}
1604		1838
1605	cf::player->attach (	1839	cf::player->attach (
1606	on_logout => sub {	1840	on_logout => sub {
…		…
1619	# try to abort aborted map switching on player login :)	1853	# try to abort aborted map switching on player login :)
1620	# should happen only on crashes	1854	# should happen only on crashes
1621	if ($pl->ob->{_link_pos}) {	1855	if ($pl->ob->{_link_pos}) {
1622	$pl->ob->enter_link;	1856	$pl->ob->enter_link;
1623	(async {	1857	(async {
1624	# we need this sleep as the login has a concurrent enter_exit running
1625	# and this sleep increases chances of the player not ending up in scorn
1626	$pl->ob->reply (undef,	1858	$pl->ob->reply (undef,
1627	"There was an internal problem at your last logout, "	1859	"There was an internal problem at your last logout, "
1628	. "the server will try to bring you to your intended destination in a second.",	1860	. "the server will try to bring you to your intended destination in a second.",
1629	cf::NDI_RED);	1861	cf::NDI_RED);
		1862	# we need this sleep as the login has a concurrent enter_exit running
		1863	# and this sleep increases chances of the player not ending up in scorn
1630	Coro::Timer::sleep 1;	1864	Coro::Timer::sleep 1;
1631	$pl->ob->leave_link;	1865	$pl->ob->leave_link;
1632	})->prio (2);	1866	})->prio (2);
1633	}	1867	}
1634	},	1868	},
…		…
1642	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1643		1877
1644	$self->enter_link;	1878	$self->enter_link;
1645		1879
1646	(async {	1880	(async {
1647	$path = new cf::path $path;	1881	my $map = eval {
1648
1649	my $map = cf::map::find $path->as_string;	1882	my $map = cf::map::find $path;
1650	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1651		1884	$map
1652	# warn "entering ", $map->path, " at ($x, $y)\n"	1885	} or
1653	# if $map;
1654
1655	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1656		1887
1657	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1658	})->prio (1);	1889	})->prio (1);
1659	}	1890	}
1660		1891
…		…
1664		1895
1665	sub parse_random_map_params {	1896	sub parse_random_map_params {
1666	my ($spec) = @_;	1897	my ($spec) = @_;
1667		1898
1668	my $rmp = { # defaults	1899	my $rmp = { # defaults
1669	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1670	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1671	};	1904	};
1672		1905
1673	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1674	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1675		1908
…		…
1679	$rmp	1912	$rmp
1680	}	1913	}
1681		1914
1682	sub prepare_random_map {	1915	sub prepare_random_map {
1683	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1684		1919
1685	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1686	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1687	# that depends on the exit object	1922	# that depends on the exit object
1688		1923
1689	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1690		1925
1691	if ($exit->map) {	1926	if ($exit->map) {
1692	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1693	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1694	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1695	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1696	}	1931	}
1697		1932
1698	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1699		1934
1700	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1701	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1702		1938
1703	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1704	aio_write $fh, 0, (length $data), $data, 0;	1940	aio_write $fh, 0, (length $data), $data, 0;
		1941	undef $fh;
		1942	aio_rename "$meta~", $meta;
1705		1943
1706	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1707	$exit->msg (undef);	1945	$exit->msg (undef);
1708	}	1946	}
1709	}	1947	}
1710		1948
1711	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1712	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1713		1951
1714	return unless $self->type == cf::PLAYER;	1952	return unless $self->type == cf::PLAYER;
		1953
		1954	if ($exit->slaying eq "/!") {
		1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1956	cf::sync_job { prepare_random_map $exit };
		1957	}
		1958
		1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1960	my $hp = $exit->stats->hp;
		1961	my $sp = $exit->stats->sp;
1715		1962
1716	$self->enter_link;	1963	$self->enter_link;
1717		1964
1718	(async {	1965	(async {
1719	$self->deactivate_recursive; # just to be sure	1966	$self->deactivate_recursive; # just to be sure
1720	unless (eval {	1967	unless (eval {
1721	prepare_random_map $exit	1968	$self->goto ($slaying, $hp, $sp);
1722	if $exit->slaying eq "/!";
1723
1724	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1725	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1726		1969
1727	1;	1970	1;
1728	}) {	1971	}) {
1729	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1730	. "I'll try to bring you back to the map you were before. "	1973	. "I'll try to bring you back to the map you were before. "
1731	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1732	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1733		1976
1734	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1735	$self->leave_link;	1978	$self->leave_link;
1736	}	1979	}
…		…
1791	# get handled first	2034	# get handled first
1792	my $queue = delete $ns->{query_queue}	2035	my $queue = delete $ns->{query_queue}
1793	or return; # be conservative, not sure how that can happen, but we saw a crash here	2036	or return; # be conservative, not sure how that can happen, but we saw a crash here
1794		2037
1795	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1796		2040
1797	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1798		2042
1799	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1800	if (@$queue) {	2044	if (@$queue) {
…		…
1961	The parameter C<$family> should best start with the name of the extension	2205	The parameter C<$family> should best start with the name of the extension
1962	using it, it should be unique.	2206	using it, it should be unique.
1963		2207
1964	=over 4	2208	=over 4
1965		2209
1966	=item $hashref = cf::db_get $family
1967
1968	Return a hashref for use by the extension C<$family>, which can be
1969	modified. After modifications, you have to call C<cf::db_dirty> or
1970	C<cf::db_sync>.
1971
1972	=item $value = cf::db_get $family => $key	2210	=item $value = cf::db_get $family => $key
1973		2211
1974	Returns a single value from the database	2212	Returns a single value from the database.
1975
1976	=item cf::db_put $family => $hashref
1977
1978	Stores the given family hashref into the database. Updates are delayed, if
1979	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1980		2213
1981	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
1982		2215
1983	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	Stores the given C<$value> in the family.
1984	want the data to be synced to disk immediately, use C<cf::db_sync>.
1985
1986	=item cf::db_dirty
1987
1988	Marks the database as dirty, to be updated at a later time.
1989
1990	=item cf::db_sync
1991
1992	Immediately write the database to disk I<if it is dirty>.
1993		2217
1994	=cut	2218	=cut
1995		2219
1996	our $DB;	2220	our $DB;
1997		2221
1998	{	2222	sub db_init {
		2223	unless ($DB) {
		2224	$DB = BDB::db_create $DB_ENV;
		2225
		2226	cf::sync_job {
		2227	eval {
		2228	$DB->set_flags (BDB::CHKSUM);
		2229
		2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2232	cf::cleanup "db_open(db): $!" if $!;
		2233	};
		2234	cf::cleanup "db_open(db): $@" if $@;
		2235	};
		2236
1999	my $path = cf::localdir . "/database.pst";	2237	my $path = cf::localdir . "/database.pst";
		2238	if (stat $path) {
		2239	cf::sync_job {
		2240	my $pst = Storable::retrieve $path;
2000		2241
2001	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
2002	$DB = stat $path ? Storable::retrieve $path : { };	2243	cf::db_put (guildrules => data => $pst->{guildrules});
2003	}	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
		2245	BDB::db_env_txn_checkpoint $DB_ENV;
2004		2246
2005	my $pid;	2247	unlink $path;
2006
2007	sub db_save() {
2008	waitpid $pid, 0 if $pid;
2009	if (0 == ($pid = fork)) {
2010	$DB->{_meta}{version} = 1;
2011	Storable::nstore $DB, "$path~";
2012	rename "$path~", $path;
2013	cf::_exit 0 if defined $pid;
2014	}	2248	};
2015	}
2016
2017	my $dirty;
2018
2019	sub db_sync() {
2020	db_save if $dirty;
2021	undef $dirty;
2022	}
2023
2024	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2025	db_sync;
2026	});
2027
2028	sub db_dirty() {
2029	$dirty = 1;
2030	$idle->start;
2031	}
2032
2033	sub db_get($;$) {
2034	@_ >= 2
2035	? $DB->{$_[0]}{$_[1]}
2036	: ($DB->{$_[0]} ||= { })
2037	}
2038
2039	sub db_put($$;$) {
2040	if (@_ >= 3) {
2041	$DB->{$_[0]}{$_[1]} = $_[2];
2042	} else {
2043	$DB->{$_[0]} = $_[1];
2044	}
2045	db_dirty;
2046	}
2047
2048	cf::global->attach (
2049	prio => 10000,
2050	on_cleanup => sub {
2051	db_sync;
2052	},	2249	}
2053	);	2250	}
		2251	}
		2252
		2253	sub db_get($$) {
		2254	my $key = "$_[0]/$_[1]";
		2255
		2256	cf::sync_job {
		2257	BDB::db_get $DB, undef, $key, my $data;
		2258
		2259	$! ? ()
		2260	: Compress::LZF::sthaw $data
		2261	}
		2262	}
		2263
		2264	sub db_put($$$) {
		2265	BDB::dbreq_pri 4;
		2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2054	}	2267	}
2055		2268
2056	#############################################################################	2269	#############################################################################
2057	# the server's main()	2270	# the server's init and main functions
		2271
		2272	sub load_faces {
		2273	my $path = sprintf "%s/faces", cf::datadir;
		2274
		2275	warn "loading faces from $path\n";
		2276
		2277	my $faces;
		2278	0 < aio_load $path, $faces
		2279	or die "$path: $!";
		2280
		2281	Coro::cede;
		2282	$faces = Storable::thaw $faces;
		2283	Coro::cede;
		2284
		2285	while (my ($face, $info) = each %$faces) {
		2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2289	Coro::cede;
		2290	}
		2291
		2292	1
		2293	}
		2294
		2295	sub reload_resources {
		2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2297	or die "unable to load regions file\n";#d#
		2298	load_faces
		2299	or die "unable to load faces\n";#d#
		2300	}
		2301
		2302	sub init {
		2303	reload_resources;
		2304	}
2058		2305
2059	sub cfg_load {	2306	sub cfg_load {
2060	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
2061	or return;	2308	or return;
2062		2309
…		…
2068	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2069	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2070		2317
2071	if (exists $CFG{mlockall}) {	2318	if (exists $CFG{mlockall}) {
2072	eval {	2319	eval {
2073	$CFG{mlockall} ? &mlockall : &munlockall	2320	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074	and die "WARNING: m(un)lockall failed: $!\n";	2321	and die "WARNING: m(un)lockall failed: $!\n";
2075	};	2322	};
2076	warn $@ if $@;	2323	warn $@ if $@;
2077	}	2324	}
2078	}	2325	}
2079		2326
2080	sub main {	2327	sub main {
2081	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
2082	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
2083	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2331	(async {
2084	async { Event::one_event };	2332	Event::one_event;
		2333	})->prio (Coro::PRIO_MAX);
2085	};	2334	};
2086		2335
2087	cfg_load;	2336	cfg_load;
2088	db_load;	2337	db_init;
2089	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
2090	Event::loop;	2341	Event::loop;
2091	}	2342	}
2092		2343
2093	#############################################################################	2344	#############################################################################
2094	# initialisation	2345	# initialisation and cleanup
		2346
		2347	# install some emergency cleanup handlers
		2348	BEGIN {
		2349	for my $signal (qw(INT HUP TERM)) {
		2350	Event->signal (
		2351	reentrant => 0,
		2352	data => WF_AUTOCANCEL,
		2353	signal => $signal,
		2354	prio => 0,
		2355	cb => sub {
		2356	cf::cleanup "SIG$signal";
		2357	},
		2358	);
		2359	}
		2360	}
		2361
		2362	sub emergency_save() {
		2363	my $freeze_guard = cf::freeze_mainloop;
		2364
		2365	warn "enter emergency perl save\n";
		2366
		2367	cf::sync_job {
		2368	# use a peculiar iteration method to avoid tripping on perl
		2369	# refcount bugs in for. also avoids problems with players
		2370	# and maps saved/destroyed asynchronously.
		2371	warn "begin emergency player save\n";
		2372	for my $login (keys %cf::PLAYER) {
		2373	my $pl = $cf::PLAYER{$login} or next;
		2374	$pl->valid or next;
		2375	$pl->save;
		2376	}
		2377	warn "end emergency player save\n";
		2378
		2379	warn "begin emergency map save\n";
		2380	for my $path (keys %cf::MAP) {
		2381	my $map = $cf::MAP{$path} or next;
		2382	$map->valid or next;
		2383	$map->save;
		2384	}
		2385	warn "end emergency map save\n";
		2386
		2387	warn "begin emergency database checkpoint\n";
		2388	BDB::db_env_txn_checkpoint $DB_ENV;
		2389	warn "end emergency database checkpoint\n";
		2390	};
		2391
		2392	warn "leave emergency perl save\n";
		2393	}
		2394
		2395	sub post_cleanup {
		2396	my ($make_core) = @_;
		2397
		2398	warn Carp::longmess "post_cleanup backtrace"
		2399	if $make_core;
		2400	}
2095		2401
2096	sub reload() {	2402	sub reload() {
2097	# can/must only be called in main	2403	# can/must only be called in main
2098	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
2099	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
2100	return;	2406	return;
2101	}	2407	}
2102		2408
2103	warn "reloading...";	2409	warn "reloading...";
2104		2410
2105	my $guard = freeze_mainloop;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
2106	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
2107		2417
2108	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
2109	# if anything goes wrong in here, we should simply crash as we already saved	2421	# if anything goes wrong in here, we should simply crash as we already saved
2110		2422
2111	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
2112	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
2113	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2114	}	2426	}
2115		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
2116	# cancel all extension coros	2439	warn "cancelling all extension coros";
2117	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
2118	%EXT_CORO = ();	2441	%EXT_CORO = ();
2119		2442
2120	# unload all extensions	2443	warn "removing commands";
2121	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
2122	warn "unloading <$_>";	2451	warn "... unloading $pkg";
2123	unload_extension $_;	2452
		2453	if (my $cb = $pkg->can ("unload")) {
		2454	eval {
		2455	$cb->($pkg);
		2456	1
		2457	} or warn "$pkg unloaded, but with errors: $@";
2124	}	2458	}
2125		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
2126	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
2127	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
2128	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129		2467
2130	warn "removing <$k>";	2468	warn "... unloading $k";
2131	delete $INC{$k};	2469	delete $INC{$k};
2132		2470
2133	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
2134	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
2135		2473
…		…
2138	}	2476	}
2139		2477
2140	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
2141	}	2479	}
2142		2480
2143	# sync database to disk
2144	cf::db_sync;
2145	IO::AIO::flush;
2146
2147	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
2148	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
2149	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2150		2484
2151	# remove register_script_function callbacks
2152	# TODO
2153
2154	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
2155	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
2156		2487
2157	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
2158	# and global variables created in xs	2489	# and global variables created in xs
2159	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
2160		2491
2161	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
2162	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
2163	require cf;	2495	require cf;
2164	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165		2497
2166	# load config and database again	2498	warn "loading config and database again";
2167	cf::cfg_load;	2499	cf::cfg_load;
2168	cf::db_load;
2169		2500
2170	# load extensions
2171	warn "load extensions";	2501	warn "loading extensions";
2172	cf::load_extensions;	2502	cf::load_extensions;
2173		2503
2174	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
2175	warn "reattach";	2505	_global_reattach; # objects, sockets
2176	_global_reattach;	2506	warn "reattaching attachments to maps";
2177	reattach $_ for values %MAP;	2507	reattach $_ for values %MAP;
2178	};	2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
2179		2510
2180	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
2181	warn $@;	2518	warn $@;
2182	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
2183	exit 1;	2520	exit 1;
2184	}	2521	};
2185		2522
2186	warn "reloaded successfully";	2523	warn "reloaded";
2187	};	2524	};
2188		2525
2189	#############################################################################	2526	our $RELOAD_WATCHER; # used only during reload
2190
2191	unless ($LINK_MAP) {
2192	$LINK_MAP = cf::map::new;
2193
2194	$LINK_MAP->width (41);
2195	$LINK_MAP->height (41);
2196	$LINK_MAP->alloc;
2197	$LINK_MAP->path ("{link}");
2198	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2199	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2200
2201	# dirty hack because... archetypes are not yet loaded
2202	Event->timer (
2203	after => 10,
2204	cb => sub {
2205	$_[0]->w->cancel;
2206
2207	# provide some exits "home"
2208	my $exit = cf::object::new "exit";
2209
2210	$exit->slaying ($EMERGENCY_POSITION->[0]);
2211	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2212	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2213
2214	$LINK_MAP->insert ($exit->clone, 19, 19);
2215	$LINK_MAP->insert ($exit->clone, 19, 20);
2216	$LINK_MAP->insert ($exit->clone, 19, 21);
2217	$LINK_MAP->insert ($exit->clone, 20, 19);
2218	$LINK_MAP->insert ($exit->clone, 20, 21);
2219	$LINK_MAP->insert ($exit->clone, 21, 19);
2220	$LINK_MAP->insert ($exit->clone, 21, 20);
2221	$LINK_MAP->insert ($exit->clone, 21, 21);
2222
2223	$exit->destroy;
2224	});
2225
2226	$LINK_MAP->{deny_save} = 1;
2227	$LINK_MAP->{deny_reset} = 1;
2228
2229	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2230	}
2231
2232	register "<global>", __PACKAGE__;
2233		2527
2234	register_command "reload" => sub {	2528	register_command "reload" => sub {
2235	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
2236		2530
2237	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
2238	$who->message ("start of reload.");	2532	$who->message ("reloading server.");
		2533
		2534	# doing reload synchronously and two reloads happen back-to-back,
		2535	# coro crashes during coro_state_free->destroy here.
		2536
		2537	$RELOAD_WATCHER ||= Event->timer (
		2538	reentrant => 0,
		2539	after => 0,
		2540	data => WF_AUTOCANCEL,
		2541	cb => sub {
2239	reload;	2542	reload;
2240	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
2241	}	2546	}
2242	};	2547	};
2243		2548
2244	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
2245		2552
2246	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
2247	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
2248	prio => 0,	2556	prio => 0,
2249	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
2250	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
2251	cb => sub {	2559	cb => sub {
		2560	if ($Coro::current != $Coro::main) {
		2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2562	unless ++$bug_warning > 10;
		2563	return;
		2564	}
		2565
		2566	$NOW = Event::time;
		2567
2252	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
2253	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
2254	$NEXT_TICK += $TICK;	2570	$NEXT_TICK += $TICK;
		2571
		2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2573	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2574	Coro::async_pool {
		2575	write_runtime
		2576	or warn "ERROR: unable to write runtime file: $!";
		2577	};
		2578	}
		2579
		2580	$WAIT_FOR_TICK->broadcast;
		2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2582
		2583	# my $AFTER = Event::time;
		2584	# warn $AFTER - $NOW;#d#
2255		2585
2256	# if we are delayed by four ticks or more, skip them all	2586	# if we are delayed by four ticks or more, skip them all
2257	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2258		2588
2259	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2260	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2261	},	2591	},
2262	);	2592	);
2263		2593
		2594	{
2264	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2265		2596	$BDB_POLL_WATCHER = Event->io (
2266	Event->io (	2597	reentrant => 0,
2267	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2268	poll => 'r',	2599	poll => 'r',
2269	prio => 5,	2600	prio => 0,
2270	data => WF_AUTOCANCEL,
2271	cb => \&IO::AIO::poll_cb,
2272	);
2273
2274	Event->timer (
2275	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2276	after => 0,	2602	cb => \&BDB::poll_cb,
2277	interval => 10,	2603	);
2278	cb => sub {	2604	BDB::min_parallel 8;
2279	(Coro::unblock_sub {	2605
2280	write_runtime	2606	BDB::set_sync_prepare {
2281	or warn "ERROR: unable to write runtime file: $!";	2607	my $status;
		2608	my $current = $Coro::current;
		2609	(
		2610	sub {
		2611	$status = $!;
		2612	$current->ready; undef $current;
		2613	},
		2614	sub {
		2615	Coro::schedule while defined $current;
		2616	$! = $status;
		2617	},
		2618	)
		2619	};
		2620
		2621	unless ($DB_ENV) {
		2622	$DB_ENV = BDB::db_env_create;
		2623
		2624	cf::sync_job {
		2625	eval {
		2626	BDB::db_env_open
		2627	$DB_ENV,
		2628	$BDB_ENV_DIR,
		2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2631	0666;
		2632
		2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2634
		2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2636	$DB_ENV->set_lk_detect;
		2637	};
		2638
		2639	cf::cleanup "db_env_open(db): $@" if $@;
2282	})->();	2640	};
2283	},	2641	}
2284	);	2642	}
		2643
		2644	{
		2645	IO::AIO::min_parallel 8;
		2646
		2647	undef $Coro::AIO::WATCHER;
		2648	IO::AIO::max_poll_time $TICK * 0.1;
		2649	$AIO_POLL_WATCHER = Event->io (
		2650	reentrant => 0,
		2651	data => WF_AUTOCANCEL,
		2652	fd => IO::AIO::poll_fileno,
		2653	poll => 'r',
		2654	prio => 6,
		2655	cb => \&IO::AIO::poll_cb,
		2656	);
		2657	}
2285		2658
2286	END { cf::emergency_save }	2659	END { cf::emergency_save }
2287		2660
2288	1	2661	1
2289		2662

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