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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();	26	use IO::AIO 2.32 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
		34
		35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		36
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
30		39
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		41
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	42	our %COMMAND = ();
36	our %COMMAND_TIME = ();	43	our %COMMAND_TIME = ();
		44
		45	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	46	our %EXTCMD = ();
		47	our %EXT_CORO = (); # coroutines bound to extensions
		48	our %EXT_MAP = (); # pluggable maps
38		49
		50	our $RELOAD; # number of reloads so far
39	our @EVENT;	51	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
41		53
42	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	58	our $NEXT_TICK;
45	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
46		64
47	our %CFG;	65	our %CFG;
48		66
49	our $UPTIME; $UPTIME ||= time;	67	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	68	our $RUNTIME;
51		69
		70	our %PLAYER; # all users
52	our %MAP; # all maps	71	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	73	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	74	our $BDB_ENV_DIR = cf::localdir . "/db";
		75
		76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		81
57	binmode STDOUT;	82	binmode STDOUT;
58	binmode STDERR;	83	binmode STDERR;
59		84
60	# read virtual server time, if available	85	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	92	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
72		98
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	99	our $EMERGENCY_POSITION;
		100
		101	sub cf::map::normalise;
76		102
77	#############################################################################	103	#############################################################################
78		104
79	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
80		106
…		…
104		130
105	=item %cf::CFG	131	=item %cf::CFG
106		132
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	133	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	134	from wherever your confdir points to.
		135
		136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		137
		138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		140	processing has been done. Call C<< ->wait >> on them to maximise the
		141	window of cpu time available, or simply to synchronise to the server tick.
109		142
110	=back	143	=back
111		144
112	=cut	145	=cut
113		146
…		…
117	utf8::encode $msg;	150	utf8::encode $msg;
118		151
119	$msg .= "\n"	152	$msg .= "\n"
120	unless $msg =~ /\n$/;	153	unless $msg =~ /\n$/;
121		154
122	LOG llevError, "cfperl: $msg";	155	LOG llevError, $msg;
123	};	156	};
124	}	157	}
125		158
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		178
146	$Event::DIED = sub {	179	$Event::DIED = sub {
147	warn "error in event callback: @_";	180	warn "error in event callback: @_";
148	};	181	};
149		182
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
155		184
156	=over 4	185	=over 4
157		186
		187	=item dumpval $ref
		188
158	=cut	189	=cut
		190
		191	sub dumpval {
		192	eval {
		193	local $SIG{__DIE__};
		194	my $d;
		195	if (1) {
		196	$d = new Data::Dumper([$_[0]], ["*var"]);
		197	$d->Terse(1);
		198	$d->Indent(2);
		199	$d->Quotekeys(0);
		200	$d->Useqq(1);
		201	#$d->Bless(...);
		202	$d->Seen($_[1]) if @_ > 1;
		203	$d = $d->Dump();
		204	}
		205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		206	$d
		207	} || "[unable to dump $_[0]: '$@']";
		208	}
159		209
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	210	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		211
162	=item $ref = cf::from_json $json	212	=item $ref = cf::from_json $json
163		213
…		…
224	}	274	}
225		275
226	sub freeze_mainloop {	276	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	277	return unless $TICK_WATCHER->is_active;
228		278
229	my $guard = Coro::guard { $TICK_WATCHER->start };	279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
230	$TICK_WATCHER->stop;	282	$TICK_WATCHER->stop;
231	$guard	283	$guard
232	}	284	}
233		285
234	=item cf::async { BLOCK }	286	=item cf::async { BLOCK }
…		…
286	}	338	}
287	}	339	}
288		340
289	=item $coro = cf::async_ext { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
290		342
291	Like async, but this coro is automcatially being canceled when the	343	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	344	extension calling this is being unloaded.
293		345
294	=cut	346	=cut
295		347
296	sub async_ext(&) {	348	sub async_ext(&) {
…		…
305		357
306	$coro	358	$coro
307	}	359	}
308		360
309	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
310	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
311		365
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
313	or return;	367	or return;
314		368
		369	my $value = $cf::RUNTIME + 90 + 10;
315	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;	374	and return;
318		375
		376	# always fsync - this file is important
319	aio_fsync $fh	377	aio_fsync $fh
320	and return;	378	and return;
321		379
322	close $fh	380	close $fh
323	or return;	381	or return;
…		…
329	}	387	}
330		388
331	=back	389	=back
332		390
333	=cut	391	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($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		392
455	#############################################################################	393	#############################################################################
456		394
457	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
458		396
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	523	our @CB_MAP = ();
586		524
587	my %attachment;	525	my %attachment;
588		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
589	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
591		535
592	use sort 'stable';	536	use sort 'stable';
593		537
…		…
764	# object support	708	# object support
765		709
766	sub reattach {	710	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		715
770	my $registry = $obj->registry;	716	my $registry = $obj->registry;
771		717
772	@$registry = ();	718	@$registry = ();
773		719
…		…
820	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
821		767
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
826	close $fh;	772	close $fh;
827		773
828	if (@$objs) {	774	if (@$objs) {
829	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
833	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
834	close $fh;	780	close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
836	}	782	}
837	} else {	783	} else {
838	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
905	=cut	851	=cut
906		852
907	sub register_extcmd {	853	sub register_extcmd {
908	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
909		855
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
914	}	857	}
915		858
916	cf::player->attach (	859	cf::player->attach (
917	on_command => sub {	860	on_command => sub {
918	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
931		874
932	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
933		876
934	if (ref $msg) {	877	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	881	}
939	}	882	}
940	} else {	883	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		886
944	cf::override;	887	cf::override;
945	},	888	},
946	);	889	);
947		890
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	891	sub load_extension {
955	my ($path) = @_;	892	my ($path) = @_;
956		893
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
958	my $base = $1;	895	my $base = $1;
959	my $pkg = $1;	896	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
962		899
963	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
964		901
965	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
966	or die "$path: $!";	903	or die "$path: $!";
967		904
968	my $source =	905	my $source =
969	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
972	. "\n};\n1";	909	. "\n};\n1";
973		910
974	eval $source	911	unless (eval $source) {
975	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
976	: "extension disabled.\n";	913	: "extension disabled.\n";
977		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978	push @exts, $pkg;	915	warn $@;
979	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
980		917	exit 1;
981	# no strict 'refs';	918	}
982	# @{"$pkg\::ISA"} = ext::;	919	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	# }	920	}
997		921
998	# remove commands	922	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	}	923	}
1023		924
1024	sub load_extensions {	925	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	927	next unless -r $ext;
…		…
1030	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1031	}	932	}
1032	}	933	}
1033		934
1034	#############################################################################	935	#############################################################################
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		936
1072	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1073		938
1074	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1075		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1076	=head3 cf::player	947	=head3 cf::player
1077		948
1078	=over 4	949	=over 4
1079		950
1080	=item cf::player::exists $login	951	=item cf::player::find $login
1081		952
1082	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1083		954
1084	=cut	955	=cut
1085		956
1086	sub cf::player::exists($) {	957	sub playerdir($) {
1087	cf::player::find $_[0]	958	cf::localdir
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		963	}
		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
1089	}	1127	}
1090		1128
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092		1130
1093	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1094		1132
1095	=cut	1133	=cut
1096		1134
1097	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1099		1137
1100	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1101		1139
1102	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1103	}	1141	}
		1142
		1143	package cf;
1104		1144
1105	=back	1145	=back
1106		1146
1107		1147
1108	=head3 cf::map	1148	=head3 cf::map
…		…
1114	package cf::map;	1154	package cf::map;
1115		1155
1116	use Fcntl;	1156	use Fcntl;
1117	use Coro::AIO;	1157	use Coro::AIO;
1118		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1119	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1121		1165
1122	sub generate_random_map {	1166	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1169	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1139	}	1311	}
1140		1312
1141	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1142	# all maps in C++...	1314	# all maps in C++...
1143	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1145		1317
1146	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1148	}	1320	}
1149		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1150	sub try_load_header($) {	1330	sub load_header_from($) {
1151	my ($path) = @_;	1331	my ($self, $path) = @_;
1152		1332
1153	utf8::encode $path;	1333	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1155	or return;	1338	or return;
1156		1339
1157	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1158	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1159		1386
1160	# for better error messages only, will be overwritten	1387	1
1161	$map->path ($path);
1162
1163	$map->load_header ($path)
1164	or return;
1165
1166	$map->{load_path} = $path;
1167
1168	$map
1169	}	1388	}
1170		1389
1171	sub find;	1390	sub find;
1172	sub find {	1391	sub find {
1173	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1174		1393
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1395
1180	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1181		1397
1182	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1184		1400	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;	1401	or return;
1204		1402
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;	1403	$map->{last_save} = $cf::RUNTIME;
1217		1404
1218	Coro::cede;	1405	$map->load_header
		1406	or return;
1219		1407
1220	if ($map->should_reset) {	1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1221	$map->reset;	1411	$map->reset;
1222	undef $guard;	1412	undef $guard;
1223	$map = find $path	1413	return find $path;
1224	or return;
1225	}	1414	}
1226		1415
1227	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1228	}	1417	}
1229	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1230		1422
1231	sub load {	1423	sub load {
1232	my ($self) = @_;	1424	my ($self) = @_;
1233		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1234	my $path = $self->{path};	1428	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1236		1430
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1432
1239	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1240		1434
1241	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1242	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1440	or return;
1244		1441
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1443	if delete $self->{load_original};
1247		1444
1248	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1446	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1448	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1253	}	1450	}
1254	}	1451	}
1255		1452
1256	Coro::cede;	1453	Coro::cede;
1257		1454
1258	# now do the right thing for maps	1455	# now do the right thing for maps
1259	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1260		1457
1261	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1459	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1268	$self->set_darkness_map;	1463	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1271	$self->activate;	1467	$self->activate;
1272	}	1468	}
1273		1469
1274	Coro::cede;	1470	$self->post_load;
1275		1471
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
		1473	}
		1474
		1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
		1486	my ($map) = @_;
		1487
		1488	my @diag; # diagonal neighbours
		1489
		1490	for (0 .. 3) {
		1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
		1496
		1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
		1500
		1501	for (@diag) {
		1502	my $neigh = find @$_
		1503	or next;
		1504	$neigh->load;
		1505	}
1277	}	1506	}
1278		1507
1279	sub find_sync {	1508	sub find_sync {
1280	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1281		1510
1282	cf::sync_job { cf::map::find $path, $origin }	1511	cf::sync_job { find $path, $origin }
1283	}	1512	}
1284		1513
1285	sub do_load_sync {	1514	sub do_load_sync {
1286	my ($map) = @_;	1515	my ($map) = @_;
1287		1516
1288	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1289	}	1518	}
1290		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
		1538	$map->load;
		1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
		1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
		1548	}
		1549
1291	sub save {	1550	sub save {
1292	my ($self) = @_;	1551	my ($self) = @_;
1293		1552
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1554
1296	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1297		1556
1298	return unless $self->dirty;	1557	return unless $self->dirty;
1299		1558
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1561
1303	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1304		1563
1305	return if $self->{deny_save};	1564	return if $self->{deny_save};
1306		1565
1307	local $self->{last_access} = $self->last_access;#d#	1566	local $self->{last_access} = $self->last_access;#d#
1308		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1309	if ($uniq) {	1572	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1575	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1577	}
1315	}	1578	}
1316		1579
1317	sub swap_out {	1580	sub swap_out {
1318	my ($self) = @_;	1581	my ($self) = @_;
…		…
1332		1595
1333	sub reset_at {	1596	sub reset_at {
1334	my ($self) = @_;	1597	my ($self) = @_;
1335		1598
1336	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1339		1602
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1605
…		…
1347	my ($self) = @_;	1610	my ($self) = @_;
1348		1611
1349	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1350	}	1613	}
1351		1614
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 {	1615	sub reset {
1374	my ($self) = @_;	1616	my ($self) = @_;
1375		1617
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1619
1378	return if $self->players;	1620	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1380		1622
1381	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1382		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1383	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1384		1638
1385	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1386		1640
1387	$self->unlink_save;	1641	$self->unlink_save;
1388	$self->destroy;	1642	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1392		1646
1393	sub nuke {	1647	sub nuke {
1394	my ($self) = @_;	1648	my ($self) = @_;
1395		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1399	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1400	}	1663	}
1401		1664
1402	sub customise_for {	1665	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1666
1405	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1407	}
1408		1669
1409	$map	1670	=cut
1410	}
1411		1671
1412	sub emergency_save {	1672	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1414		1675
1415	warn "enter emergency map save\n";	1676	my @paths;
1416		1677
1417	cf::sync_job {	1678	for (@$files) {
1418	warn "begin emergency map save\n";	1679	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1420	};	1684	}
1421		1685
1422	warn "end emergency map save\n";	1686	\@paths
1423	}	1687	}
1424		1688
1425	package cf;	1689	package cf;
1426		1690
1427	=back	1691	=back
1428		1692
		1693	=head3 cf::object
		1694
		1695	=cut
		1696
		1697	package cf::object;
		1698
		1699	=over 4
		1700
		1701	=item $ob->inv_recursive
		1702
		1703	Returns the inventory of the object _and_ their inventories, recursively.
		1704
		1705	=cut
		1706
		1707	sub inv_recursive_;
		1708	sub inv_recursive_ {
		1709	map { $_, inv_recursive_ $_->inv } @_
		1710	}
		1711
		1712	sub inv_recursive {
		1713	inv_recursive_ inv $_[0]
		1714	}
		1715
		1716	package cf;
		1717
		1718	=back
1429		1719
1430	=head3 cf::object::player	1720	=head3 cf::object::player
1431		1721
1432	=over 4	1722	=over 4
1433		1723
…		…
1473		1763
1474	=item $player_object->enter_link	1764	=item $player_object->enter_link
1475		1765
1476	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1477		1767
1478	The player should be reaosnably safe there for short amounts of time. You	1768	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.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1480		1770
		1771	Will never block.
		1772
1481	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1482		1774
1483	Moves the player out of the specila link map onto the given map. If the	1775	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	1776	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,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1778	fails, to the emergency map position.
1487		1779
1488	Might block.	1780	Might block.
1489		1781
1490	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1491		1793
1492	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1795	my ($self) = @_;
1494		1796
1495	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1496		1798
1497	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1800
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1802	if $self->map;
1501		1803
1502	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	1805	}
1504		1806
1505	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1507		1809
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1528		1830
1529	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1530		1833
		1834	return unless $self->contr->active;
1531	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1532	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1533	}	1839	}
1534		1840
1535	cf::player->attach (	1841	cf::player->attach (
1536	on_logout => sub {	1842	on_logout => sub {
…		…
1547	my ($pl) = @_;	1853	my ($pl) = @_;
1548		1854
1549	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1856	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1554	(async {	1859	(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,	1860	$pl->ob->reply (undef,
1558	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1559	. "the server will try to bring you to your intended destination in a second.",	1862	. "the server will try to bring you to your intended destination in a second.",
1560	cf::NDI_RED);	1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
1561	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1562	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1563	})->prio (2);	1868	})->prio (2);
1564	}	1869	}
1565	},	1870	},
…		…
1573	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1574		1879
1575	$self->enter_link;	1880	$self->enter_link;
1576		1881
1577	(async {	1882	(async {
1578	$path = new cf::path $path;	1883	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1582		1886	$map
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1584	# if $map;
1585
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1587		1889
1588	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1891	})->prio (1);
1590	}	1892	}
1591		1893
…		…
1595		1897
1596	sub parse_random_map_params {	1898	sub parse_random_map_params {
1597	my ($spec) = @_;	1899	my ($spec) = @_;
1598		1900
1599	my $rmp = { # defaults	1901	my $rmp = { # defaults
1600	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1602	};	1906	};
1603		1907
1604	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1606		1910
…		…
1610	$rmp	1914	$rmp
1611	}	1915	}
1612		1916
1613	sub prepare_random_map {	1917	sub prepare_random_map {
1614	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1921
1616	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1924	# that depends on the exit object
1619		1925
1620	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1621		1927
1622	if ($exit->map) {	1928	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1627	}	1933	}
1628		1934
1629	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1630		1936
1631	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1940
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1636		1945
1637	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1947	$exit->msg (undef);
1639	}	1948	}
1640	}	1949	}
1641		1950
1642	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1644		1953
1645	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
1646		1964
1647	$self->enter_link;	1965	$self->enter_link;
1648		1966
1649	(async {	1967	(async {
1650	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1969	unless (eval {
1652	prepare_random_map $exit	1970	$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		1971
1658	1;	1972	1;
1659	}) {	1973	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1978
1665	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1980	$self->leave_link;
1667	}	1981	}
…		…
1681		1995
1682	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1684		1998
1685	utf8::encode $text;	1999	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2001	}
1688		2002
1689		2003
1690	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1691		2005
…		…
1722	# get handled first	2036	# get handled first
1723	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2039
1726	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2042
1728	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1729		2044
1730	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2046	if (@$queue) {
…		…
1892	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
1893	using it, it should be unique.	2208	using it, it should be unique.
1894		2209
1895	=over 4	2210	=over 4
1896		2211
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	2212	=item $value = cf::db_get $family => $key
1904		2213
1905	Returns a single value from the database	2214	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		2215
1912	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1913		2217
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	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		2219
1925	=cut	2220	=cut
1926		2221
1927	our $DB;	2222	our $DB;
1928		2223
1929	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
1930	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
1931		2243
1932	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2248
1936	my $pid;	2249	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	}	2250	};
1946	}	2251	}
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	});	2252	}
		2253	}
1958		2254
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {	2255	sub db_get($$) {
1965	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1970	sub db_put($$;$) {	2266	sub db_put($$$) {
1971	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1972	$DB->{$_[0]}{$_[1]} = $_[2];	2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2269	}
		2270
		2271	#############################################################################
		2272	# the server's init and main functions
		2273
		2274	sub load_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	my $meta = delete $faces->{""};
		2288	$meta->{version} == 1
		2289	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2290
		2291	while (my ($face, $info) = each %$faces) {
		2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2295	Coro::cede;
		2296	}
		2297
		2298	while (my ($face, $info) = each %$faces) {
		2299	next unless $info->{smooth};
		2300	my $idx = cf::face::find $face
		2301	or next;
		2302	if (my $smooth = cf::face::find $info->{smooth}) {
		2303	cf::face::set_smooth $idx, $smooth;
1973	} else {	2304	} else {
1974	$DB->{$_[0]} = $_[1];	2305	warn "smooth face '$info->{smooth}' not found for face '$face'";
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2306	}
1984	);	2307	Coro::cede;
1985	}	2308	}
1986		2309
1987	#############################################################################	2310	1
1988	# the server's main()	2311	}
		2312
		2313	sub reload_resources {
		2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2315	or die "unable to load regions file\n";#d#
		2316	load_faces
		2317	or die "unable to load faces\n";#d#
		2318	}
		2319
		2320	sub init {
		2321	reload_resources;
		2322	}
1989		2323
1990	sub cfg_load {	2324	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2325	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2326	or return;
1993		2327
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2333	$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};	2334	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2335
2002	if (exists $CFG{mlockall}) {	2336	if (exists $CFG{mlockall}) {
2003	eval {	2337	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2338	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2339	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2340	};
2007	warn $@ if $@;	2341	warn $@ if $@;
2008	}	2342	}
2009	}	2343	}
2010		2344
2011	sub main {	2345	sub main {
2012	# we must not ever block the main coroutine	2346	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2347	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2348	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2349	(async {
2015	async { Event::one_event };	2350	Event::one_event;
		2351	})->prio (Coro::PRIO_MAX);
2016	};	2352	};
2017		2353
2018	cfg_load;	2354	cfg_load;
2019	db_load;	2355	db_init;
2020	load_extensions;	2356	load_extensions;
		2357
		2358	$TICK_WATCHER->start;
2021	Event::loop;	2359	Event::loop;
2022	}	2360	}
2023		2361
2024	#############################################################################	2362	#############################################################################
2025	# initialisation	2363	# initialisation and cleanup
		2364
		2365	# install some emergency cleanup handlers
		2366	BEGIN {
		2367	for my $signal (qw(INT HUP TERM)) {
		2368	Event->signal (
		2369	reentrant => 0,
		2370	data => WF_AUTOCANCEL,
		2371	signal => $signal,
		2372	prio => 0,
		2373	cb => sub {
		2374	cf::cleanup "SIG$signal";
		2375	},
		2376	);
		2377	}
		2378	}
		2379
		2380	sub emergency_save() {
		2381	my $freeze_guard = cf::freeze_mainloop;
		2382
		2383	warn "enter emergency perl save\n";
		2384
		2385	cf::sync_job {
		2386	# use a peculiar iteration method to avoid tripping on perl
		2387	# refcount bugs in for. also avoids problems with players
		2388	# and maps saved/destroyed asynchronously.
		2389	warn "begin emergency player save\n";
		2390	for my $login (keys %cf::PLAYER) {
		2391	my $pl = $cf::PLAYER{$login} or next;
		2392	$pl->valid or next;
		2393	$pl->save;
		2394	}
		2395	warn "end emergency player save\n";
		2396
		2397	warn "begin emergency map save\n";
		2398	for my $path (keys %cf::MAP) {
		2399	my $map = $cf::MAP{$path} or next;
		2400	$map->valid or next;
		2401	$map->save;
		2402	}
		2403	warn "end emergency map save\n";
		2404
		2405	warn "begin emergency database checkpoint\n";
		2406	BDB::db_env_txn_checkpoint $DB_ENV;
		2407	warn "end emergency database checkpoint\n";
		2408	};
		2409
		2410	warn "leave emergency perl save\n";
		2411	}
		2412
		2413	sub post_cleanup {
		2414	my ($make_core) = @_;
		2415
		2416	warn Carp::longmess "post_cleanup backtrace"
		2417	if $make_core;
		2418	}
2026		2419
2027	sub reload() {	2420	sub reload() {
2028	# can/must only be called in main	2421	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2422	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2423	warn "can only reload from main coroutine";
2031	return;	2424	return;
2032	}	2425	}
2033		2426
2034	warn "reloading...";	2427	warn "reloading...";
2035		2428
2036	my $guard = freeze_mainloop;	2429	warn "entering sync_job";
		2430
		2431	cf::sync_job {
		2432	cf::write_runtime; # external watchdog should not bark
2037	cf::emergency_save;	2433	cf::emergency_save;
		2434	cf::write_runtime; # external watchdog should not bark
2038		2435
2039	eval {	2436	warn "syncing database to disk";
		2437	BDB::db_env_txn_checkpoint $DB_ENV;
		2438
2040	# if anything goes wrong in here, we should simply crash as we already saved	2439	# if anything goes wrong in here, we should simply crash as we already saved
2041		2440
2042	# cancel all watchers	2441	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2442	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2443	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2444	}
2046		2445
		2446	warn "flushing outstanding aio requests";
		2447	for (;;) {
		2448	BDB::flush;
		2449	IO::AIO::flush;
		2450	Coro::cede;
		2451	last unless IO::AIO::nreqs || BDB::nreqs;
		2452	warn "iterate...";
		2453	}
		2454
		2455	++$RELOAD;
		2456
2047	# cancel all extension coros	2457	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2458	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2459	%EXT_CORO = ();
2050		2460
2051	# unload all extensions	2461	warn "removing commands";
2052	for (@exts) {	2462	%COMMAND = ();
		2463
		2464	warn "removing ext commands";
		2465	%EXTCMD = ();
		2466
		2467	warn "unloading/nuking all extensions";
		2468	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2469	warn "... unloading $pkg";
2054	unload_extension $_;	2470
		2471	if (my $cb = $pkg->can ("unload")) {
		2472	eval {
		2473	$cb->($pkg);
		2474	1
		2475	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2476	}
2056		2477
		2478	warn "... nuking $pkg";
		2479	Symbol::delete_package $pkg;
		2480	}
		2481
2057	# unload all modules loaded from $LIBDIR	2482	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2483	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2484	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2485
2061	warn "removing <$k>";	2486	warn "... unloading $k";
2062	delete $INC{$k};	2487	delete $INC{$k};
2063		2488
2064	$k =~ s/\.pm$//;	2489	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2490	$k =~ s/\//::/g;
2066		2491
…		…
2069	}	2494	}
2070		2495
2071	Symbol::delete_package $k;	2496	Symbol::delete_package $k;
2072	}	2497	}
2073		2498
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2499	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2500	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2502
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2503	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2504	delete $INC{"cf.pm"};
2087		2505
2088	# don't, removes xs symbols, too,	2506	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2507	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2508	#Symbol::delete_package __PACKAGE__;
2091		2509
2092	# reload cf.pm	2510	warn "unload completed, starting to reload now";
		2511
2093	warn "reloading cf.pm";	2512	warn "reloading cf.pm";
2094	require cf;	2513	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2515
2097	# load config and database again	2516	warn "loading config and database again";
2098	cf::cfg_load;	2517	cf::cfg_load;
2099	cf::db_load;
2100		2518
2101	# load extensions
2102	warn "load extensions";	2519	warn "loading extensions";
2103	cf::load_extensions;	2520	cf::load_extensions;
2104		2521
2105	# reattach attachments to objects	2522	warn "reattaching attachments to objects/players";
2106	warn "reattach";	2523	_global_reattach; # objects, sockets
2107	_global_reattach;	2524	warn "reattaching attachments to maps";
2108	};	2525	reattach $_ for values %MAP;
		2526	warn "reattaching attachments to players";
		2527	reattach $_ for values %PLAYER;
2109		2528
2110	if ($@) {	2529	warn "loading reloadable resources";
		2530	reload_resources;
		2531
		2532	warn "leaving sync_job";
		2533
		2534	1
		2535	} or do {
2111	warn $@;	2536	warn $@;
2112	warn "error while reloading, exiting.";	2537	warn "error while reloading, exiting.";
2113	exit 1;	2538	exit 1;
2114	}	2539	};
2115		2540
2116	warn "reloaded successfully";	2541	warn "reloaded";
2117	};	2542	};
2118		2543
2119	#############################################################################	2544	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} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2545
2164	register_command "reload" => sub {	2546	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2547	my ($who, $arg) = @_;
2166		2548
2167	if ($who->flag (FLAG_WIZ)) {	2549	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");	2550	$who->message ("reloading server.");
		2551
		2552	# doing reload synchronously and two reloads happen back-to-back,
		2553	# coro crashes during coro_state_free->destroy here.
		2554
		2555	$RELOAD_WATCHER ||= Event->timer (
		2556	reentrant => 0,
		2557	after => 0,
		2558	data => WF_AUTOCANCEL,
		2559	cb => sub {
2169	reload;	2560	reload;
2170	$who->message ("end of reload.");	2561	undef $RELOAD_WATCHER;
		2562	},
		2563	);
2171	}	2564	}
2172	};	2565	};
2173		2566
2174	unshift @INC, $LIBDIR;	2567	unshift @INC, $LIBDIR;
		2568
		2569	my $bug_warning = 0;
2175		2570
2176	$TICK_WATCHER = Event->timer (	2571	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2572	reentrant => 0,
		2573	parked => 1,
2178	prio => 0,	2574	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2575	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2576	data => WF_AUTOCANCEL,
2181	cb => sub {	2577	cb => sub {
		2578	if ($Coro::current != $Coro::main) {
		2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2580	unless ++$bug_warning > 10;
		2581	return;
		2582	}
		2583
		2584	$NOW = Event::time;
		2585
2182	cf::server_tick; # one server iteration	2586	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2587	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	2588	$NEXT_TICK += $TICK;
		2589
		2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2591	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2592	Coro::async_pool {
		2593	write_runtime
		2594	or warn "ERROR: unable to write runtime file: $!";
		2595	};
		2596	}
		2597
		2598	$WAIT_FOR_TICK->broadcast;
		2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2600
		2601	# my $AFTER = Event::time;
		2602	# warn $AFTER - $NOW;#d#
2185		2603
2186	# if we are delayed by four ticks or more, skip them all	2604	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2606
2189	$TICK_WATCHER->at ($NEXT_TICK);	2607	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	2608	$TICK_WATCHER->start;
2191	},	2609	},
2192	);	2610	);
2193		2611
		2612	{
2194	IO::AIO::max_poll_time $TICK * 0.2;	2613	BDB::max_poll_time $TICK * 0.1;
2195		2614	$BDB_POLL_WATCHER = Event->io (
2196	Event->io (	2615	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	2616	fd => BDB::poll_fileno,
2198	poll => 'r',	2617	poll => 'r',
2199	prio => 5,	2618	prio => 0,
2200	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,
2202	);
2203
2204	Event->timer (
2205	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2206	after => 0,	2620	cb => \&BDB::poll_cb,
2207	interval => 10,	2621	);
2208	cb => sub {	2622	BDB::min_parallel 8;
2209	(Coro::unblock_sub {	2623
2210	write_runtime	2624	BDB::set_sync_prepare {
2211	or warn "ERROR: unable to write runtime file: $!";	2625	my $status;
		2626	my $current = $Coro::current;
		2627	(
		2628	sub {
		2629	$status = $!;
		2630	$current->ready; undef $current;
		2631	},
		2632	sub {
		2633	Coro::schedule while defined $current;
		2634	$! = $status;
		2635	},
		2636	)
		2637	};
		2638
		2639	unless ($DB_ENV) {
		2640	$DB_ENV = BDB::db_env_create;
		2641
		2642	cf::sync_job {
		2643	eval {
		2644	BDB::db_env_open
		2645	$DB_ENV,
		2646	$BDB_ENV_DIR,
		2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2649	0666;
		2650
		2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2652
		2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2654	$DB_ENV->set_lk_detect;
		2655	};
		2656
		2657	cf::cleanup "db_env_open(db): $@" if $@;
2212	})->();	2658	};
2213	},	2659	}
2214	);	2660	}
		2661
		2662	{
		2663	IO::AIO::min_parallel 8;
		2664
		2665	undef $Coro::AIO::WATCHER;
		2666	IO::AIO::max_poll_time $TICK * 0.1;
		2667	$AIO_POLL_WATCHER = Event->io (
		2668	reentrant => 0,
		2669	data => WF_AUTOCANCEL,
		2670	fd => IO::AIO::poll_fileno,
		2671	poll => 'r',
		2672	prio => 6,
		2673	cb => \&IO::AIO::poll_cb,
		2674	);
		2675	}
2215		2676
2216	END { cf::emergency_save }	2677	END { cf::emergency_save }
2217		2678
2218	1	2679	1
2219		2680

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