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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 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 }
…		…
273	warn $@ if $@;	323	warn $@ if $@;
274	undef $busy;	324	undef $busy;
275	})->prio (Coro::PRIO_MAX);	325	})->prio (Coro::PRIO_MAX);
276		326
277	while ($busy) {	327	while ($busy) {
278	unless (Coro::cede) {	328	Coro::cede or Event::one_event;
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;
281	}
282	}	329	}
283		330
284	wantarray ? @res : $res[0]	331	wantarray ? @res : $res[0]
285	} else {	332	} else {
286	# we are in another coroutine, how wonderful, everything just works	333	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	336	}
290	}	337	}
291		338
292	=item $coro = cf::async_ext { BLOCK }	339	=item $coro = cf::async_ext { BLOCK }
293		340
294	Like async, but this coro is automcatially being canceled when the	341	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	342	extension calling this is being unloaded.
296		343
297	=cut	344	=cut
298		345
299	sub async_ext(&) {	346	sub async_ext(&) {
…		…
308		355
309	$coro	356	$coro
310	}	357	}
311		358
312	sub write_runtime {	359	sub write_runtime {
		360	my $guard = cf::lock_acquire "write_runtime";
		361
313	my $runtime = cf::localdir . "/runtime";	362	my $runtime = cf::localdir . "/runtime";
314		363
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	365	or return;
317		366
		367	my $value = $cf::RUNTIME + 90 + 10;
318	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
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	372	and return;
321		373
		374	# always fsync - this file is important
322	aio_fsync $fh	375	aio_fsync $fh
323	and return;	376	and return;
324		377
325	close $fh	378	close $fh
326	or return;	379	or return;
…		…
332	}	385	}
333		386
334	=back	387	=back
335		388
336	=cut	389	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		390
458	#############################################################################	391	#############################################################################
459		392
460	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
461		394
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	521	our @CB_MAP = ();
589		522
590	my %attachment;	523	my %attachment;
591		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
592	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
594		533
595	use sort 'stable';	534	use sort 'stable';
596		535
…		…
767	# object support	706	# object support
768		707
769	sub reattach {	708	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		713
773	my $registry = $obj->registry;	714	my $registry = $obj->registry;
774		715
775	@$registry = ();	716	@$registry = ();
776		717
…		…
823	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
824		765
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	770	close $fh;
830		771
831	if (@$objs) {	772	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	778	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
839	}	780	}
840	} else {	781	} else {
841	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
908	=cut	849	=cut
909		850
910	sub register_extcmd {	851	sub register_extcmd {
911	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
912		853
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
917	}	855	}
918		856
919	cf::player->attach (	857	cf::player->attach (
920	on_command => sub {	858	on_command => sub {
921	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
934		872
935	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
936		874
937	if (ref $msg) {	875	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	879	}
942	}	880	}
943	} else {	881	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		884
947	cf::override;	885	cf::override;
948	},	886	},
949	);	887	);
950		888
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	889	sub load_extension {
958	my ($path) = @_;	890	my ($path) = @_;
959		891
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	893	my $base = $1;
962	my $pkg = $1;	894	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
965		897
966	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
967		899
968	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
969	or die "$path: $!";	901	or die "$path: $!";
970		902
971	my $source =	903	my $source =
972	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
975	. "\n};\n1";	907	. "\n};\n1";
976		908
977	eval $source	909	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	911	: "extension disabled.\n";
980		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	913	warn $@;
982	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
983		915	exit 1;
984	# no strict 'refs';	916	}
985	# @{"$pkg\::ISA"} = ext::;	917	die $@;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	918	}
1000		919
1001	# remove commands	920	push @EXTS, $pkg;
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}	921	}
1026		922
1027	sub load_extensions {	923	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	925	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1034	}	930	}
1035	}	931	}
1036		932
1037	#############################################################################	933	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074		934
1075	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1076		936
1077	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1078		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1079	=head3 cf::player	945	=head3 cf::player
1080		946
1081	=over 4	947	=over 4
1082		948
1083	=item cf::player::exists $login	949	=item cf::player::find $login
1084		950
1085	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1086		952
1087	=cut	953	=cut
1088		954
1089	sub cf::player::exists($) {	955	sub playerdir($) {
1090	cf::player::find $_[0]	956	cf::localdir
1091	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
1092	}	1125	}
1093		1126
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1127	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1128
1096	Sends an ext reply to the player.	1129	Sends an ext reply to the player.
1097		1130
1098	=cut	1131	=cut
1099		1132
1100	sub cf::player::ext_reply($$$%) {	1133	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1134	my ($self, $id, %msg) = @_;
1102		1135
1103	$msg{msgid} = $id;	1136	$msg{msgid} = $id;
1104		1137
1105	$self->send ("ext " . to_json \%msg);	1138	$self->send ("ext " . cf::to_json \%msg);
1106	}	1139	}
		1140
		1141	package cf;
1107		1142
1108	=back	1143	=back
1109		1144
1110		1145
1111	=head3 cf::map	1146	=head3 cf::map
…		…
1117	package cf::map;	1152	package cf::map;
1118		1153
1119	use Fcntl;	1154	use Fcntl;
1120	use Coro::AIO;	1155	use Coro::AIO;
1121		1156
		1157	use overload
		1158	'""' => \&as_string,
		1159	fallback => 1;
		1160
1122	our $MAX_RESET = 3600;	1161	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1162	our $DEFAULT_RESET = 3000;
1124		1163
1125	sub generate_random_map {	1164	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1165	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1166	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1167	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1171	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1172	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$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},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(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
1142	}	1309	}
1143		1310
1144	# and all this just because we cannot iterate over	1311	# and all this just because we cannot iterate over
1145	# all maps in C++...	1312	# all maps in C++...
1146	sub change_all_map_light {	1313	sub change_all_map_light {
…		…
1148		1315
1149	$_->change_map_light ($change)	1316	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1317	for grep $_->outdoor, values %cf::MAP;
1151	}	1318	}
1152		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
1153	sub try_load_header($) {	1328	sub load_header_from($) {
1154	my ($path) = @_;	1329	my ($self, $path) = @_;
1155		1330
1156	utf8::encode $path;	1331	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1158	or return;	1336	or return;
1159		1337
1160	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
1161	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1162		1384
1163	# for better error messages only, will be overwritten	1385	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1386	}
1173		1387
1174	sub find;	1388	sub find;
1175	sub find {	1389	sub find {
1176	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1177		1391
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1392	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1393
1183	cf::lock_wait "map_find:$key";	1394	cf::lock_wait "map_find:$path";
1184		1395
1185	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1397	my $guard = cf::lock_acquire "map_find:$path";
1187		1398	my $map = new_from_path cf::map $path
1188	# do it the slow way
1189	my $map = try_load_header $path->save_path;
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1399	or return;
1207		1400
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1401	$map->{last_save} = $cf::RUNTIME;
1220		1402
1221	Coro::cede;	1403	$map->load_header
		1404	or return;
1222		1405
1223	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;
1224	$map->reset;	1409	$map->reset;
1225	undef $guard;	1410	undef $guard;
1226	$map = find $path	1411	return find $path;
1227	or return;
1228	}	1412	}
1229		1413
1230	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1231	}	1415	}
1232	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1233		1420
1234	sub load {	1421	sub load {
1235	my ($self) = @_;	1422	my ($self) = @_;
1236		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
1237	my $path = $self->{path};	1426	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1427	my $guard = cf::lock_acquire "map_load:$path";
1239		1428
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1430
1242	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1243		1432
1244	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1245	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1438	or return;
1247		1439
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1441	if delete $self->{load_original};
1250		1442
1251	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1444	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1446	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1256	}	1448	}
1257	}	1449	}
1258		1450
1259	Coro::cede;	1451	Coro::cede;
1260		1452
1261	# now do the right thing for maps	1453	# now do the right thing for maps
1262	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1263		1455
1264	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1457	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1271	$self->set_darkness_map;	1461	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1274	$self->activate;	1465	$self->activate;
1275	}	1466	}
1276		1467
1277	Coro::cede;	1468	$self->post_load;
1278		1469
1279	$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	}
1280	}	1504	}
1281		1505
1282	sub find_sync {	1506	sub find_sync {
1283	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1284		1508
1285	cf::sync_job { cf::map::find $path, $origin }	1509	cf::sync_job { find $path, $origin }
1286	}	1510	}
1287		1511
1288	sub do_load_sync {	1512	sub do_load_sync {
1289	my ($map) = @_;	1513	my ($map) = @_;
1290		1514
1291	cf::sync_job { $map->load };	1515	cf::sync_job { $map->load };
1292	}	1516	}
1293		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
1294	sub save {	1548	sub save {
1295	my ($self) = @_;	1549	my ($self) = @_;
1296		1550
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1552
1299	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1300		1554
1301	return unless $self->dirty;	1555	return unless $self->dirty;
1302		1556
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1557	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1559
1306	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1307		1561
1308	return if $self->{deny_save};	1562	return if $self->{deny_save};
1309		1563
1310	local $self->{last_access} = $self->last_access;#d#	1564	local $self->{last_access} = $self->last_access;#d#
1311		1565
		1566	cf::async {
		1567	$_->contr->save for $self->players;
		1568	};
		1569
1312	if ($uniq) {	1570	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1573	} else {
1316	$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);
1317	}	1575	}
1318	}	1576	}
1319		1577
1320	sub swap_out {	1578	sub swap_out {
1321	my ($self) = @_;	1579	my ($self) = @_;
…		…
1335		1593
1336	sub reset_at {	1594	sub reset_at {
1337	my ($self) = @_;	1595	my ($self) = @_;
1338		1596
1339	# TODO: safety, remove and allow resettable per-player maps	1597	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1599	return 1e99 if $self->{deny_reset};
1342		1600
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	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;
1345		1603
…		…
1350	my ($self) = @_;	1608	my ($self) = @_;
1351		1609
1352	$self->reset_at <= $cf::RUNTIME	1610	$self->reset_at <= $cf::RUNTIME
1353	}	1611	}
1354		1612
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1613	sub reset {
1377	my ($self) = @_;	1614	my ($self) = @_;
1378		1615
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1617
1381	return if $self->players;	1618	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1383		1620
1384	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1385		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
1386	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1387		1636
1388	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1389		1638
1390	$self->unlink_save;	1639	$self->unlink_save;
1391	$self->destroy;	1640	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1643	my $nuke_counter = "aaaa";
1395		1644
1396	sub nuke {	1645	sub nuke {
1397	my ($self) = @_;	1646	my ($self) = @_;
1398		1647
		1648	delete $cf::MAP{$self->path};
		1649
		1650	$self->unlink_save;
		1651
		1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1654	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1655	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1657
		1658	$cf::MAP{$self->path} = $self;
		1659
1402	$self->reset; # polite request, might not happen	1660	$self->reset; # polite request, might not happen
1403	}	1661	}
1404		1662
1405	sub customise_for {	1663	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1664
1408	if ($map->per_player) {	1665	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1666	instantiated unique items. May block.
1410	}
1411		1667
1412	$map	1668	=cut
1413	}
1414		1669
1415	sub emergency_save {	1670	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
1417		1673
1418	warn "enter emergency map save\n";	1674	my @paths;
1419		1675
1420	cf::sync_job {	1676	for (@$files) {
1421	warn "begin emergency map save\n";	1677	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1678	next if /\.pst$/;
		1679	next unless /^$PATH_SEP/o;
		1680
		1681	push @paths, cf::map::normalise $_;
1423	};	1682	}
1424		1683
1425	warn "end emergency map save\n";	1684	\@paths
1426	}	1685	}
1427		1686
1428	package cf;	1687	package cf;
1429		1688
1430	=back	1689	=back
1431		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
1432		1717
1433	=head3 cf::object::player	1718	=head3 cf::object::player
1434		1719
1435	=over 4	1720	=over 4
1436		1721
…		…
1476		1761
1477	=item $player_object->enter_link	1762	=item $player_object->enter_link
1478		1763
1479	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}>).
1480		1765
1481	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
1482	I<MUST> call C<leave_link> as soon as possible, though.	1767	I<MUST> call C<leave_link> as soon as possible, though.
1483		1768
		1769	Will never block.
		1770
1484	=item $player_object->leave_link ($map, $x, $y)	1771	=item $player_object->leave_link ($map, $x, $y)
1485		1772
1486	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
1487	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
1488	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
1489	to the emergency map position.	1776	fails, to the emergency map position.
1490		1777
1491	Might block.	1778	Might block.
1492		1779
1493	=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	}
1494		1791
1495	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1793	my ($self) = @_;
1497		1794
1498	$self->deactivate_recursive;	1795	$self->deactivate_recursive;
1499		1796
1500	return if $self->map == $LINK_MAP;	1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1798
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1800	if $self->map;
1504		1801
1505	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1803	}
1507		1804
1508	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1510		1807
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1531		1828
1532	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1533		1831
		1832	return unless $self->contr->active;
1534	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1536	}	1837	}
1537		1838
1538	cf::player->attach (	1839	cf::player->attach (
1539	on_logout => sub {	1840	on_logout => sub {
…		…
1550	my ($pl) = @_;	1851	my ($pl) = @_;
1551		1852
1552	# try to abort aborted map switching on player login :)	1853	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1854	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1855	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1856	$pl->ob->enter_link;
1557	(async {	1857	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,	1858	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "	1859	"There was an internal problem at your last logout, "
1562	. "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.",
1563	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
1564	Coro::Timer::sleep 1;	1864	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;	1865	$pl->ob->leave_link;
1566	})->prio (2);	1866	})->prio (2);
1567	}	1867	}
1568	},	1868	},
…		…
1576	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1577		1877
1578	$self->enter_link;	1878	$self->enter_link;
1579		1879
1580	(async {	1880	(async {
1581	$path = new cf::path $path;	1881	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1882	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1585		1884	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1885	} or
1587	# if $map;
1588
1589	$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);
1590		1887
1591	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1889	})->prio (1);
1593	}	1890	}
1594		1891
…		…
1598		1895
1599	sub parse_random_map_params {	1896	sub parse_random_map_params {
1600	my ($spec) = @_;	1897	my ($spec) = @_;
1601		1898
1602	my $rmp = { # defaults	1899	my $rmp = { # defaults
1603	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1605	};	1904	};
1606		1905
1607	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1609		1908
…		…
1613	$rmp	1912	$rmp
1614	}	1913	}
1615		1914
1616	sub prepare_random_map {	1915	sub prepare_random_map {
1617	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1919
1619	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1922	# that depends on the exit object
1622		1923
1623	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1624		1925
1625	if ($exit->map) {	1926	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1630	}	1931	}
1631		1932
1632	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1633		1934
1634	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1938
1637	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) {
1638	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;
1639		1943
1640	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1945	$exit->msg (undef);
1642	}	1946	}
1643	}	1947	}
1644		1948
1645	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1647		1951
1648	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;
1649		1962
1650	$self->enter_link;	1963	$self->enter_link;
1651		1964
1652	(async {	1965	(async {
1653	$self->deactivate_recursive; # just to be sure	1966	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1967	unless (eval {
1655	prepare_random_map $exit	1968	$self->goto ($slaying, $hp, $sp);
1656	if $exit->slaying eq "/!";
1657
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660		1969
1661	1;	1970	1;
1662	}) {	1971	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "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. "
1665	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1976
1668	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1978	$self->leave_link;
1670	}	1979	}
…		…
1725	# get handled first	2034	# get handled first
1726	my $queue = delete $ns->{query_queue}	2035	my $queue = delete $ns->{query_queue}
1727	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
1728		2037
1729	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2040
1731	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1732		2042
1733	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2044	if (@$queue) {
…		…
1895	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
1896	using it, it should be unique.	2206	using it, it should be unique.
1897		2207
1898	=over 4	2208	=over 4
1899		2209
1900	=item $hashref = cf::db_get $family
1901
1902	Return a hashref for use by the extension C<$family>, which can be
1903	modified. After modifications, you have to call C<cf::db_dirty> or
1904	C<cf::db_sync>.
1905
1906	=item $value = cf::db_get $family => $key	2210	=item $value = cf::db_get $family => $key
1907		2211
1908	Returns a single value from the database	2212	Returns a single value from the database.
1909
1910	=item cf::db_put $family => $hashref
1911
1912	Stores the given family hashref into the database. Updates are delayed, if
1913	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1914		2213
1915	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
1916		2215
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	Stores the given C<$value> in the family.
1918	want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920	=item cf::db_dirty
1921
1922	Marks the database as dirty, to be updated at a later time.
1923
1924	=item cf::db_sync
1925
1926	Immediately write the database to disk I<if it is dirty>.
1927		2217
1928	=cut	2218	=cut
1929		2219
1930	our $DB;	2220	our $DB;
1931		2221
1932	{	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
1933	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;
1934		2241
1935	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
1936	$DB = stat $path ? Storable::retrieve $path : { };	2243	cf::db_put (guildrules => data => $pst->{guildrules});
1937	}	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
		2245	BDB::db_env_txn_checkpoint $DB_ENV;
1938		2246
1939	my $pid;	2247	unlink $path;
1940
1941	sub db_save() {
1942	waitpid $pid, 0 if $pid;
1943	if (0 == ($pid = fork)) {
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}	2248	};
1949	}
1950
1951	my $dirty;
1952
1953	sub db_sync() {
1954	db_save if $dirty;
1955	undef $dirty;
1956	}
1957
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959	db_sync;
1960	});
1961
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}
1966
1967	sub db_get($;$) {
1968	@_ >= 2
1969	? $DB->{$_[0]}{$_[1]}
1970	: ($DB->{$_[0]} ||= { })
1971	}
1972
1973	sub db_put($$;$) {
1974	if (@_ >= 3) {
1975	$DB->{$_[0]}{$_[1]} = $_[2];
1976	} else {
1977	$DB->{$_[0]} = $_[1];
1978	}
1979	db_dirty;
1980	}
1981
1982	cf::global->attach (
1983	prio => 10000,
1984	on_cleanup => sub {
1985	db_sync;
1986	},	2249	}
1987	);	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 { };
1988	}	2267	}
1989		2268
1990	#############################################################################	2269	#############################################################################
1991	# 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	}
1992		2305
1993	sub cfg_load {	2306	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2308	or return;
1996		2309
…		…
2002	$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};
2003	$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};
2004		2317
2005	if (exists $CFG{mlockall}) {	2318	if (exists $CFG{mlockall}) {
2006	eval {	2319	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2320	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2321	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2322	};
2010	warn $@ if $@;	2323	warn $@ if $@;
2011	}	2324	}
2012	}	2325	}
2013		2326
2014	sub main {	2327	sub main {
2015	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
2017	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 {
2018	async { Event::one_event };	2332	Event::one_event;
		2333	})->prio (Coro::PRIO_MAX);
2019	};	2334	};
2020		2335
2021	cfg_load;	2336	cfg_load;
2022	db_load;	2337	db_init;
2023	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
2024	Event::loop;	2341	Event::loop;
2025	}	2342	}
2026		2343
2027	#############################################################################	2344	#############################################################################
2028	# 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 $make_core;
		2400	}
2029		2401
2030	sub reload() {	2402	sub reload() {
2031	# can/must only be called in main	2403	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
2034	return;	2406	return;
2035	}	2407	}
2036		2408
2037	warn "reloading...";	2409	warn "reloading...";
2038		2410
2039	my $guard = freeze_mainloop;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
2041		2417
2042	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
2043	# 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
2044		2422
2045	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2426	}
2049		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
2050	# cancel all extension coros	2439	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2441	%EXT_CORO = ();
2053		2442
2054	# unload all extensions	2443	warn "removing commands";
2055	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2451	warn "... unloading $pkg";
2057	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: $@";
2058	}	2458	}
2059		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
2060	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2467
2064	warn "removing <$k>";	2468	warn "... unloading $k";
2065	delete $INC{$k};	2469	delete $INC{$k};
2066		2470
2067	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
2069		2473
…		…
2072	}	2476	}
2073		2477
2074	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
2075	}	2479	}
2076		2480
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
2083	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);
2084		2484
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
2090		2487
2091	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2489	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
2094		2491
2095	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
2096	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
2097	require cf;	2495	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2497
2100	# load config and database again	2498	warn "loading config and database again";
2101	cf::cfg_load;	2499	cf::cfg_load;
2102	cf::db_load;
2103		2500
2104	# load extensions
2105	warn "load extensions";	2501	warn "loading extensions";
2106	cf::load_extensions;	2502	cf::load_extensions;
2107		2503
2108	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
2109	warn "reattach";	2505	_global_reattach; # objects, sockets
2110	_global_reattach;	2506	warn "reattaching attachments to maps";
2111	};	2507	reattach $_ for values %MAP;
		2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
2112		2510
2113	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
2114	warn $@;	2518	warn $@;
2115	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
2116	exit 1;	2520	exit 1;
2117	}	2521	};
2118		2522
2119	warn "reloaded successfully";	2523	warn "reloaded";
2120	};	2524	};
2121		2525
2122	#############################################################################	2526	our $RELOAD_WATCHER; # used only during reload
2123
2124	unless ($LINK_MAP) {
2125	$LINK_MAP = cf::map::new;
2126
2127	$LINK_MAP->width (41);
2128	$LINK_MAP->height (41);
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,
2137	cb => sub {
2138	$_[0]->w->cancel;
2139
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});
2158
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2527
2167	register_command "reload" => sub {	2528	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
2169		2530
2170	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
2171	$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 {
2172	reload;	2542	reload;
2173	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
2174	}	2546	}
2175	};	2547	};
2176		2548
2177	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
2178		2552
2179	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
2181	prio => 0,	2556	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
2184	cb => sub {	2559	cb => sub {
		2560	if ($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
2185	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
2187	$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#
2188		2585
2189	# 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
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2588
2192	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2194	},	2591	},
2195	);	2592	);
2196		2593
		2594	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2198		2596	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	2597	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2201	poll => 'r',	2599	poll => 'r',
2202	prio => 5,	2600	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2209	after => 0,	2602	cb => \&BDB::poll_cb,
2210	interval => 10,	2603	);
2211	cb => sub {	2604	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	2605
2213	write_runtime	2606	BDB::set_sync_prepare {
2214	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 $@;
2215	})->();	2640	};
2216	},	2641	}
2217	);	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	}
2218		2658
2219	END { cf::emergency_save }	2659	END { cf::emergency_save }
2220		2660
2221	1	2661	1
2222		2662

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