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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 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
		68	our %PLAYER; # all users
52	our %MAP; # all maps	69	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	70	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	71	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	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
56		79
57	binmode STDOUT;	80	binmode STDOUT;
58	binmode STDERR;	81	binmode STDERR;
59		82
60	# read virtual server time, if available	83	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	90	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	91	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	92	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	93	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	94	mkdir $RANDOM_MAPS;
		95	mkdir $BDB_ENV_DIR;
72		96
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	97	our $EMERGENCY_POSITION;
		98
		99	sub cf::map::normalise;
76		100
77	#############################################################################	101	#############################################################################
78		102
79	=head2 GLOBAL VARIABLES	103	=head2 GLOBAL VARIABLES
80		104
…		…
104		128
105	=item %cf::CFG	129	=item %cf::CFG
106		130
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	131	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		140
110	=back	141	=back
111		142
112	=cut	143	=cut
113		144
…		…
117	utf8::encode $msg;	148	utf8::encode $msg;
118		149
119	$msg .= "\n"	150	$msg .= "\n"
120	unless $msg =~ /\n$/;	151	unless $msg =~ /\n$/;
121		152
122	LOG llevError, "cfperl: $msg";	153	LOG llevError, $msg;
123	};	154	};
124	}	155	}
125		156
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		176
146	$Event::DIED = sub {	177	$Event::DIED = sub {
147	warn "error in event callback: @_";	178	warn "error in event callback: @_";
148	};	179	};
149		180
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	181	=head2 UTILITY FUNCTIONS
155		182
156	=over 4	183	=over 4
157		184
		185	=item dumpval $ref
		186
158	=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	}
159		207
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	208	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		209
162	=item $ref = cf::from_json $json	210	=item $ref = cf::from_json $json
163		211
…		…
224	}	272	}
225		273
226	sub freeze_mainloop {	274	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	275	return unless $TICK_WATCHER->is_active;
228		276
229	my $guard = Coro::guard { $TICK_WATCHER->start };	277	my $guard = Coro::guard {
		278	$TICK_WATCHER->start;
		279	};
230	$TICK_WATCHER->stop;	280	$TICK_WATCHER->stop;
231	$guard	281	$guard
232	}	282	}
233		283
234	=item cf::async { BLOCK }	284	=item cf::async { BLOCK }
…		…
286	}	336	}
287	}	337	}
288		338
289	=item $coro = cf::async_ext { BLOCK }	339	=item $coro = cf::async_ext { BLOCK }
290		340
291	Like async, but this coro is automcatially being canceled when the	341	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	342	extension calling this is being unloaded.
293		343
294	=cut	344	=cut
295		345
296	sub async_ext(&) {	346	sub async_ext(&) {
…		…
305		355
306	$coro	356	$coro
307	}	357	}
308		358
309	sub write_runtime {	359	sub write_runtime {
		360	my $guard = cf::lock_acquire "write_runtime";
		361
310	my $runtime = cf::localdir . "/runtime";	362	my $runtime = cf::localdir . "/runtime";
311		363
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
313	or return;	365	or return;
314		366
		367	my $value = $cf::RUNTIME + 90 + 10;
315	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
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0	371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;	372	and return;
318		373
		374	# always fsync - this file is important
319	aio_fsync $fh	375	aio_fsync $fh
320	and return;	376	and return;
321		377
322	close $fh	378	close $fh
323	or return;	379	or return;
…		…
329	}	385	}
330		386
331	=back	387	=back
332		388
333	=cut	389	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		390
455	#############################################################################	391	#############################################################################
456		392
457	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
458		394
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	521	our @CB_MAP = ();
586		522
587	my %attachment;	523	my %attachment;
588		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
589	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
591		533
592	use sort 'stable';	534	use sort 'stable';
593		535
…		…
764	# object support	706	# object support
765		707
766	sub reattach {	708	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		713
770	my $registry = $obj->registry;	714	my $registry = $obj->registry;
771		715
772	@$registry = ();	716	@$registry = ();
773		717
…		…
820	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
821		765
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
826	close $fh;	770	close $fh;
827		771
828	if (@$objs) {	772	if (@$objs) {
829	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) {
830	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
833	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
834	close $fh;	778	close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
836	}	780	}
837	} else {	781	} else {
838	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
905	=cut	849	=cut
906		850
907	sub register_extcmd {	851	sub register_extcmd {
908	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
909		853
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
914	}	855	}
915		856
916	cf::player->attach (	857	cf::player->attach (
917	on_command => sub {	858	on_command => sub {
918	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
931		872
932	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
933		874
934	if (ref $msg) {	875	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	879	}
939	}	880	}
940	} else {	881	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		884
944	cf::override;	885	cf::override;
945	},	886	},
946	);	887	);
947		888
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	889	sub load_extension {
955	my ($path) = @_;	890	my ($path) = @_;
956		891
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
958	my $base = $1;	893	my $base = $1;
959	my $pkg = $1;	894	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
962		897
963	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
964		899
965	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
966	or die "$path: $!";	901	or die "$path: $!";
967		902
968	my $source =	903	my $source =
969	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
972	. "\n};\n1";	907	. "\n};\n1";
973		908
974	eval $source	909	unless (eval $source) {
975	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
976	: "extension disabled.\n";	911	: "extension disabled.\n";
977		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978	push @exts, $pkg;	913	warn $@;
979	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
980		915	exit 1;
981	# no strict 'refs';	916	}
982	# @{"$pkg\::ISA"} = ext::;	917	die $@;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	918	}
997		919
998	# remove commands	920	push @EXTS, $pkg;
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}	921	}
1023		922
1024	sub load_extensions {	923	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	925	next unless -r $ext;
…		…
1030	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1031	}	930	}
1032	}	931	}
1033		932
1034	#############################################################################	933	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071		934
1072	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1073		936
1074	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1075		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1076	=head3 cf::player	945	=head3 cf::player
1077		946
1078	=over 4	947	=over 4
1079		948
1080	=item cf::player::exists $login	949	=item cf::player::find $login
1081		950
1082	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1083		952
1084	=cut	953	=cut
1085		954
1086	sub cf::player::exists($) {	955	sub playerdir($) {
1087	cf::player::find $_[0]	956	cf::localdir
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		961	}
		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/$login.pl"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	my $pl = load_pl path $login
		990	or return;
		991	$cf::PLAYER{$login} = $pl
		992	}
		993	}
		994	}
		995
		996	sub save($) {
		997	my ($pl) = @_;
		998
		999	return if $pl->{deny_save};
		1000
		1001	my $path = path $pl;
		1002	my $guard = cf::lock_acquire "user_save:$path";
		1003
		1004	return if $pl->{deny_save};
		1005
		1006	aio_mkdir playerdir $pl, 0770;
		1007	$pl->{last_save} = $cf::RUNTIME;
		1008
		1009	$pl->save_pl ($path);
		1010	Coro::cede;
		1011	}
		1012
		1013	sub new($) {
		1014	my ($login) = @_;
		1015
		1016	my $self = create;
		1017
		1018	$self->ob->name ($login);
		1019	$self->{deny_save} = 1;
		1020
		1021	$cf::PLAYER{$login} = $self;
		1022
		1023	$self
		1024	}
		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
1089	}	1125	}
1090		1126
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1127	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092		1128
1093	Sends an ext reply to the player.	1129	Sends an ext reply to the player.
1094		1130
1095	=cut	1131	=cut
1096		1132
1097	sub cf::player::ext_reply($$$%) {	1133	sub ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;	1134	my ($self, $id, %msg) = @_;
1099		1135
1100	$msg{msgid} = $id;	1136	$msg{msgid} = $id;
1101		1137
1102	$self->send ("ext " . to_json \%msg);	1138	$self->send ("ext " . cf::to_json \%msg);
1103	}	1139	}
		1140
		1141	package cf;
1104		1142
1105	=back	1143	=back
1106		1144
1107		1145
1108	=head3 cf::map	1146	=head3 cf::map
…		…
1114	package cf::map;	1152	package cf::map;
1115		1153
1116	use Fcntl;	1154	use Fcntl;
1117	use Coro::AIO;	1155	use Coro::AIO;
1118		1156
		1157	use overload
		1158	'""' => \&as_string,
		1159	fallback => 1;
		1160
1119	our $MAX_RESET = 3600;	1161	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1162	our $DEFAULT_RESET = 3000;
1121		1163
1122	sub generate_random_map {	1164	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1165	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1166	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1167	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1171	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1172	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$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},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(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
1139	}	1309	}
1140		1310
1141	# and all this just because we cannot iterate over	1311	# and all this just because we cannot iterate over
1142	# all maps in C++...	1312	# all maps in C++...
1143	sub change_all_map_light {	1313	sub change_all_map_light {
…		…
1145		1315
1146	$_->change_map_light ($change)	1316	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1317	for grep $_->outdoor, values %cf::MAP;
1148	}	1318	}
1149		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
1150	sub try_load_header($) {	1328	sub load_header_from($) {
1151	my ($path) = @_;	1329	my ($self, $path) = @_;
1152		1330
1153	utf8::encode $path;	1331	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1155	or return;	1336	or return;
1156		1337
1157	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
1158	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1159		1384
1160	# for better error messages only, will be overwritten	1385	1
1161	$map->path ($path);
1162
1163	$map->load_header ($path)
1164	or return;
1165
1166	$map->{load_path} = $path;
1167
1168	$map
1169	}	1386	}
1170		1387
1171	sub find;	1388	sub find;
1172	sub find {	1389	sub find {
1173	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1174		1391
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1392	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1393
1180	cf::lock_wait "map_find:$key";	1394	cf::lock_wait "map_find:$path";
1181		1395
1182	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1397	my $guard = cf::lock_acquire "map_find:$path";
1184		1398	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1399	or return;
1204		1400
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1401	$map->{last_save} = $cf::RUNTIME;
1217		1402
1218	Coro::cede;	1403	$map->load_header
		1404	or return;
1219		1405
1220	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;
1221	$map->reset;	1409	$map->reset;
1222	undef $guard;	1410	undef $guard;
1223	$map = find $path	1411	return find $path;
1224	or return;
1225	}	1412	}
1226		1413
1227	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1228	}	1415	}
1229	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1230		1420
1231	sub load {	1421	sub load {
1232	my ($self) = @_;	1422	my ($self) = @_;
1233		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
1234	my $path = $self->{path};	1426	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1427	my $guard = cf::lock_acquire "map_load:$path";
1236		1428
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1430
1239	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1240		1432
1241	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1242	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1438	or return;
1244		1439
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1441	if delete $self->{load_original};
1247		1442
1248	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1444	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1446	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1253	}	1448	}
1254	}	1449	}
1255		1450
1256	Coro::cede;	1451	Coro::cede;
1257		1452
1258	# now do the right thing for maps	1453	# now do the right thing for maps
1259	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1260		1455
1261	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1457	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1268	$self->set_darkness_map;	1461	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1271	$self->activate;	1465	$self->activate;
1272	}	1466	}
1273		1467
1274	Coro::cede;	1468	$self->post_load;
1275		1469
1276	$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	}
1277	}	1504	}
1278		1505
1279	sub find_sync {	1506	sub find_sync {
1280	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1281		1508
1282	cf::sync_job { cf::map::find $path, $origin }	1509	cf::sync_job { find $path, $origin }
1283	}	1510	}
1284		1511
1285	sub do_load_sync {	1512	sub do_load_sync {
1286	my ($map) = @_;	1513	my ($map) = @_;
1287		1514
1288	cf::sync_job { $map->load };	1515	cf::sync_job { $map->load };
1289	}	1516	}
1290		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
1291	sub save {	1548	sub save {
1292	my ($self) = @_;	1549	my ($self) = @_;
1293		1550
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1552
1296	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1297		1554
1298	return unless $self->dirty;	1555	return unless $self->dirty;
1299		1556
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1557	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1559
1303	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1304		1561
1305	return if $self->{deny_save};	1562	return if $self->{deny_save};
1306		1563
1307	local $self->{last_access} = $self->last_access;#d#	1564	local $self->{last_access} = $self->last_access;#d#
1308		1565
		1566	cf::async {
		1567	$_->contr->save for $self->players;
		1568	};
		1569
1309	if ($uniq) {	1570	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1573	} else {
1313	$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);
1314	}	1575	}
1315	}	1576	}
1316		1577
1317	sub swap_out {	1578	sub swap_out {
1318	my ($self) = @_;	1579	my ($self) = @_;
…		…
1332		1593
1333	sub reset_at {	1594	sub reset_at {
1334	my ($self) = @_;	1595	my ($self) = @_;
1335		1596
1336	# TODO: safety, remove and allow resettable per-player maps	1597	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1599	return 1e99 if $self->{deny_reset};
1339		1600
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	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;
1342		1603
…		…
1347	my ($self) = @_;	1608	my ($self) = @_;
1348		1609
1349	$self->reset_at <= $cf::RUNTIME	1610	$self->reset_at <= $cf::RUNTIME
1350	}	1611	}
1351		1612
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	1613	sub reset {
1374	my ($self) = @_;	1614	my ($self) = @_;
1375		1615
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1617
1378	return if $self->players;	1618	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1380		1620
1381	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1382		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
1383	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1384		1636
1385	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1386		1638
1387	$self->unlink_save;	1639	$self->unlink_save;
1388	$self->destroy;	1640	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1643	my $nuke_counter = "aaaa";
1392		1644
1393	sub nuke {	1645	sub nuke {
1394	my ($self) = @_;	1646	my ($self) = @_;
1395		1647
		1648	delete $cf::MAP{$self->path};
		1649
		1650	$self->unlink_save;
		1651
		1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1654	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1655	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1657
		1658	$cf::MAP{$self->path} = $self;
		1659
1399	$self->reset; # polite request, might not happen	1660	$self->reset; # polite request, might not happen
1400	}	1661	}
1401		1662
1402	sub customise_for {	1663	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1664
1405	if ($map->per_player) {	1665	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1666	instantiated unique items. May block.
1407	}
1408		1667
1409	$map	1668	=cut
1410	}
1411		1669
1412	sub emergency_save {	1670	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
1414		1673
1415	warn "enter emergency map save\n";	1674	my @paths;
1416		1675
1417	cf::sync_job {	1676	for (@$files) {
1418	warn "begin emergency map save\n";	1677	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1678	next if /\.pst$/;
		1679	next unless /^$PATH_SEP/o;
		1680
		1681	push @paths, cf::map::normalise $_;
1420	};	1682	}
1421		1683
1422	warn "end emergency map save\n";	1684	\@paths
1423	}	1685	}
1424		1686
1425	package cf;	1687	package cf;
1426		1688
1427	=back	1689	=back
1428		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
1429		1717
1430	=head3 cf::object::player	1718	=head3 cf::object::player
1431		1719
1432	=over 4	1720	=over 4
1433		1721
…		…
1473		1761
1474	=item $player_object->enter_link	1762	=item $player_object->enter_link
1475		1763
1476	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}>).
1477		1765
1478	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
1479	I<MUST> call C<leave_link> as soon as possible, though.	1767	I<MUST> call C<leave_link> as soon as possible, though.
1480		1768
		1769	Will never block.
		1770
1481	=item $player_object->leave_link ($map, $x, $y)	1771	=item $player_object->leave_link ($map, $x, $y)
1482		1772
1483	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
1484	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
1485	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
1486	to the emergency map position.	1776	fails, to the emergency map position.
1487		1777
1488	Might block.	1778	Might block.
1489		1779
1490	=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	}
1491		1791
1492	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1793	my ($self) = @_;
1494		1794
1495	$self->deactivate_recursive;	1795	$self->deactivate_recursive;
1496		1796
1497	return if $self->map == $LINK_MAP;	1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1798
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1800	if $self->map;
1501		1801
1502	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	1803	}
1504		1804
1505	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1507		1807
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1528		1828
1529	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1530		1831
		1832	return unless $self->contr->active;
1531	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1532	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1533	}	1837	}
1534		1838
1535	cf::player->attach (	1839	cf::player->attach (
1536	on_logout => sub {	1840	on_logout => sub {
…		…
1547	my ($pl) = @_;	1851	my ($pl) = @_;
1548		1852
1549	# try to abort aborted map switching on player login :)	1853	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1854	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1855	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1856	$pl->ob->enter_link;
1554	(async {	1857	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,	1858	$pl->ob->reply (undef,
1558	"There was an internal problem at your last logout, "	1859	"There was an internal problem at your last logout, "
1559	. "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.",
1560	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
1561	Coro::Timer::sleep 1;	1864	Coro::Timer::sleep 1;
1562	$pl->ob->leave_link;	1865	$pl->ob->leave_link;
1563	})->prio (2);	1866	})->prio (2);
1564	}	1867	}
1565	},	1868	},
…		…
1573	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1574		1877
1575	$self->enter_link;	1878	$self->enter_link;
1576		1879
1577	(async {	1880	(async {
1578	$path = new cf::path $path;	1881	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	1882	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1582		1884	$map
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1885	} or
1584	# if $map;
1585
1586	$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);
1587		1887
1588	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1889	})->prio (1);
1590	}	1890	}
1591		1891
…		…
1595		1895
1596	sub parse_random_map_params {	1896	sub parse_random_map_params {
1597	my ($spec) = @_;	1897	my ($spec) = @_;
1598		1898
1599	my $rmp = { # defaults	1899	my $rmp = { # defaults
1600	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1602	};	1904	};
1603		1905
1604	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1606		1908
…		…
1610	$rmp	1912	$rmp
1611	}	1913	}
1612		1914
1613	sub prepare_random_map {	1915	sub prepare_random_map {
1614	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1919
1616	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1922	# that depends on the exit object
1619		1923
1620	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1621		1925
1622	if ($exit->map) {	1926	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1627	}	1931	}
1628		1932
1629	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1630		1934
1631	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1938
1634	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) {
1635	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;
1636		1943
1637	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1945	$exit->msg (undef);
1639	}	1946	}
1640	}	1947	}
1641		1948
1642	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1644		1951
1645	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;
1646		1962
1647	$self->enter_link;	1963	$self->enter_link;
1648		1964
1649	(async {	1965	(async {
1650	$self->deactivate_recursive; # just to be sure	1966	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1967	unless (eval {
1652	prepare_random_map $exit	1968	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		1969
1658	1;	1970	1;
1659	}) {	1971	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "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. "
1662	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1976
1665	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1978	$self->leave_link;
1667	}	1979	}
…		…
1722	# get handled first	2034	# get handled first
1723	my $queue = delete $ns->{query_queue}	2035	my $queue = delete $ns->{query_queue}
1724	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
1725		2037
1726	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2040
1728	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1729		2042
1730	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2044	if (@$queue) {
…		…
1892	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
1893	using it, it should be unique.	2206	using it, it should be unique.
1894		2207
1895	=over 4	2208	=over 4
1896		2209
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2210	=item $value = cf::db_get $family => $key
1904		2211
1905	Returns a single value from the database	2212	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2213
1912	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
1913		2215
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2217
1925	=cut	2218	=cut
1926		2219
1927	our $DB;	2220	our $DB;
1928		2221
1929	{	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
1930	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;
1931		2241
1932	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2243	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
		2245	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2246
1936	my $pid;	2247	unlink $path;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2248	};
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2249	}
1984	);	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 { };
1985	}	2267	}
1986		2268
1987	#############################################################################	2269	#############################################################################
1988	# 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	}
1989		2305
1990	sub cfg_load {	2306	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2308	or return;
1993		2309
…		…
1999	$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};
2000	$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};
2001		2317
2002	if (exists $CFG{mlockall}) {	2318	if (exists $CFG{mlockall}) {
2003	eval {	2319	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2320	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2321	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2322	};
2007	warn $@ if $@;	2323	warn $@ if $@;
2008	}	2324	}
2009	}	2325	}
2010		2326
2011	sub main {	2327	sub main {
2012	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
2014	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 {
2015	async { Event::one_event };	2332	Event::one_event;
		2333	})->prio (Coro::PRIO_MAX);
2016	};	2334	};
2017		2335
2018	cfg_load;	2336	cfg_load;
2019	db_load;	2337	db_init;
2020	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
2021	Event::loop;	2341	Event::loop;
2022	}	2342	}
2023		2343
2024	#############################################################################	2344	#############################################################################
2025	# 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 $make_core;
		2400	}
2026		2401
2027	sub reload() {	2402	sub reload() {
2028	# can/must only be called in main	2403	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
2031	return;	2406	return;
2032	}	2407	}
2033		2408
2034	warn "reloading...";	2409	warn "reloading...";
2035		2410
2036	my $guard = freeze_mainloop;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
2037	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
2038		2417
2039	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
2040	# 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
2041		2422
2042	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2426	}
2046		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
2047	# cancel all extension coros	2439	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2441	%EXT_CORO = ();
2050		2442
2051	# unload all extensions	2443	warn "removing commands";
2052	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2451	warn "... unloading $pkg";
2054	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: $@";
2055	}	2458	}
2056		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
2057	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2467
2061	warn "removing <$k>";	2468	warn "... unloading $k";
2062	delete $INC{$k};	2469	delete $INC{$k};
2063		2470
2064	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
2066		2473
…		…
2069	}	2476	}
2070		2477
2071	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
2072	}	2479	}
2073		2480
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
2080	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);
2081		2484
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
2087		2487
2088	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2489	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
2091		2491
2092	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
2093	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
2094	require cf;	2495	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2497
2097	# load config and database again	2498	warn "loading config and database again";
2098	cf::cfg_load;	2499	cf::cfg_load;
2099	cf::db_load;
2100		2500
2101	# load extensions
2102	warn "load extensions";	2501	warn "loading extensions";
2103	cf::load_extensions;	2502	cf::load_extensions;
2104		2503
2105	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
2106	warn "reattach";	2505	_global_reattach; # objects, sockets
2107	_global_reattach;	2506	warn "reattaching attachments to maps";
2108	};	2507	reattach $_ for values %MAP;
		2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
2109		2510
2110	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
2111	warn $@;	2518	warn $@;
2112	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
2113	exit 1;	2520	exit 1;
2114	}	2521	};
2115		2522
2116	warn "reloaded successfully";	2523	warn "reloaded";
2117	};	2524	};
2118		2525
2119	#############################################################################	2526	our $RELOAD_WATCHER; # used only during reload
2120
2121	unless ($LINK_MAP) {
2122	$LINK_MAP = cf::map::new;
2123
2124	$LINK_MAP->width (41);
2125	$LINK_MAP->height (41);
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 2,
2134	cb => sub {
2135	$_[0]->w->cancel;
2136
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});
2155
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2527
2164	register_command "reload" => sub {	2528	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
2166		2530
2167	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
2168	$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 {
2169	reload;	2542	reload;
2170	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
2171	}	2546	}
2172	};	2547	};
2173		2548
2174	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
2175		2552
2176	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
2178	prio => 0,	2556	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
2181	cb => sub {	2559	cb => sub {
		2560	if ($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
2182	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
2184	$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#
2185		2585
2186	# 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
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2588
2189	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2191	},	2591	},
2192	);	2592	);
2193		2593
		2594	{
2194	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2195		2596	$BDB_POLL_WATCHER = Event->io (
2196	Event->io (	2597	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2198	poll => 'r',	2599	poll => 'r',
2199	prio => 5,	2600	prio => 0,
2200	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,
2202	);
2203
2204	Event->timer (
2205	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2206	after => 0,	2602	cb => \&BDB::poll_cb,
2207	interval => 10,	2603	);
2208	cb => sub {	2604	BDB::min_parallel 8;
2209	(Coro::unblock_sub {	2605
2210	write_runtime	2606	BDB::set_sync_prepare {
2211	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 $@;
2212	})->();	2640	};
2213	},	2641	}
2214	);	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	}
2215		2658
2216	END { cf::emergency_save }	2659	END { cf::emergency_save }
2217		2660
2218	1	2661	1
2219		2662

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