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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.152 by root, Mon Jan 8 22:32:10 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.32 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		39
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
		48	our $RELOAD; # number of reloads so far
39	our @EVENT;	49	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	50	our $LIBDIR = datadir . "/ext";
41		51
42	our $TICK = MAX_TIME * 1e-6;	52	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	53	our $TICK_WATCHER;
		54	our $AIO_POLL_WATCHER;
		55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	56	our $NEXT_TICK;
45	our $NOW;	57	our $NOW;
		58	our $USE_FSYNC = 1; # use fsync to write maps - default off
		59
		60	our $BDB_POLL_WATCHER;
		61	our $DB_ENV;
46		62
47	our %CFG;	63	our %CFG;
48		64
49	our $UPTIME; $UPTIME ||= time;	65	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	66	our $RUNTIME;
51		67
52	our %PLAYER; # all users	68	our %PLAYER; # all users
53	our %MAP; # all maps	69	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	70	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	71	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	72	our $BDB_ENV_DIR = cf::localdir . "/db";
		73
		74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		76
		77	# used to convert map paths into valid unix filenames by replacing / by ∕
		78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		79
58	binmode STDOUT;	80	binmode STDOUT;
59	binmode STDERR;	81	binmode STDERR;
60		82
61	# read virtual server time, if available	83	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	90	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	91	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	92	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	93	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	94	mkdir $RANDOM_MAPS;
		95	mkdir $BDB_ENV_DIR;
73		96
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	97	our $EMERGENCY_POSITION;
		98
		99	sub cf::map::normalise;
77		100
78	#############################################################################	101	#############################################################################
79		102
80	=head2 GLOBAL VARIABLES	103	=head2 GLOBAL VARIABLES
81		104
…		…
105		128
106	=item %cf::CFG	129	=item %cf::CFG
107		130
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	131	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	132	from wherever your confdir points to.
		133
		134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		135
		136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		138	processing has been done. Call C<< ->wait >> on them to maximise the
		139	window of cpu time available, or simply to synchronise to the server tick.
110		140
111	=back	141	=back
112		142
113	=cut	143	=cut
114		144
…		…
146		176
147	$Event::DIED = sub {	177	$Event::DIED = sub {
148	warn "error in event callback: @_";	178	warn "error in event callback: @_";
149	};	179	};
150		180
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	181	=head2 UTILITY FUNCTIONS
156		182
157	=over 4	183	=over 4
158		184
		185	=item dumpval $ref
		186
159	=cut	187	=cut
		188
		189	sub dumpval {
		190	eval {
		191	local $SIG{__DIE__};
		192	my $d;
		193	if (1) {
		194	$d = new Data::Dumper([$_[0]], ["*var"]);
		195	$d->Terse(1);
		196	$d->Indent(2);
		197	$d->Quotekeys(0);
		198	$d->Useqq(1);
		199	#$d->Bless(...);
		200	$d->Seen($_[1]) if @_ > 1;
		201	$d = $d->Dump();
		202	}
		203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		204	$d
		205	} || "[unable to dump $_[0]: '$@']";
		206	}
160		207
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	208	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		209
163	=item $ref = cf::from_json $json	210	=item $ref = cf::from_json $json
164		211
…		…
225	}	272	}
226		273
227	sub freeze_mainloop {	274	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	275	return unless $TICK_WATCHER->is_active;
229		276
230	my $guard = Coro::guard { $TICK_WATCHER->start };	277	my $guard = Coro::guard {
		278	$TICK_WATCHER->start;
		279	};
231	$TICK_WATCHER->stop;	280	$TICK_WATCHER->stop;
232	$guard	281	$guard
233	}	282	}
234		283
235	=item cf::async { BLOCK }	284	=item cf::async { BLOCK }
…		…
287	}	336	}
288	}	337	}
289		338
290	=item $coro = cf::async_ext { BLOCK }	339	=item $coro = cf::async_ext { BLOCK }
291		340
292	Like async, but this coro is automcatially being canceled when the	341	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	342	extension calling this is being unloaded.
294		343
295	=cut	344	=cut
296		345
297	sub async_ext(&) {	346	sub async_ext(&) {
…		…
306		355
307	$coro	356	$coro
308	}	357	}
309		358
310	sub write_runtime {	359	sub write_runtime {
		360	my $guard = cf::lock_acquire "write_runtime";
		361
311	my $runtime = cf::localdir . "/runtime";	362	my $runtime = cf::localdir . "/runtime";
312		363
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	365	or return;
315		366
		367	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	368	# 10 is the runtime save interval, for a monotonic clock
		369	# 60 allows for the watchdog to kill the server.
		370
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	372	and return;
319		373
		374	# always fsync - this file is important
320	aio_fsync $fh	375	aio_fsync $fh
321	and return;	376	and return;
322		377
323	close $fh	378	close $fh
324	or return;	379	or return;
…		…
330	}	385	}
331		386
332	=back	387	=back
333		388
334	=cut	389	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		390
456	#############################################################################	391	#############################################################################
457		392
458	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
459		394
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	521	our @CB_MAP = ();
587		522
588	my %attachment;	523	my %attachment;
589		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
590	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
592		533
593	use sort 'stable';	534	use sort 'stable';
594		535
…		…
765	# object support	706	# object support
766		707
767	sub reattach {	708	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		713
771	my $registry = $obj->registry;	714	my $registry = $obj->registry;
772		715
773	@$registry = ();	716	@$registry = ();
774		717
…		…
821	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
822		765
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	770	close $fh;
828		771
829	if (@$objs) {	772	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	778	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
837	}	780	}
838	} else {	781	} else {
839	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
906	=cut	849	=cut
907		850
908	sub register_extcmd {	851	sub register_extcmd {
909	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
910		853
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
915	}	855	}
916		856
917	cf::player->attach (	857	cf::player->attach (
918	on_command => sub {	858	on_command => sub {
919	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
932		872
933	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
934		874
935	if (ref $msg) {	875	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	879	}
940	}	880	}
941	} else {	881	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		884
945	cf::override;	885	cf::override;
946	},	886	},
947	);	887	);
948		888
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	889	sub load_extension {
956	my ($path) = @_;	890	my ($path) = @_;
957		891
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	893	my $base = $1;
960	my $pkg = $1;	894	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
963		897
964	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
965		899
966	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
967	or die "$path: $!";	901	or die "$path: $!";
968		902
969	my $source =	903	my $source =
970	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
973	. "\n};\n1";	907	. "\n};\n1";
974		908
975	eval $source	909	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	911	: "extension disabled.\n";
978		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	913	warn $@;
980	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
981		915	exit 1;
982	# no strict 'refs';	916	}
983	# @{"$pkg\::ISA"} = ext::;	917	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	918	}
998		919
999	# remove commands	920	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	921	}
1024		922
1025	sub load_extensions {	923	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	925	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1032	}	930	}
1033	}	931	}
1034		932
1035	#############################################################################	933	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		934
1073	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1074		936
1075	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1076		938
1077	=cut	939	=cut
1078		940
1079	package cf::player;	941	package cf::player;
		942
		943	use Coro::AIO;
1080		944
1081	=head3 cf::player	945	=head3 cf::player
1082		946
1083	=over 4	947	=over 4
1084		948
…		…
1110		974
1111	sub exists($) {	975	sub exists($) {
1112	my ($login) = @_;	976	my ($login) = @_;
1113		977
1114	$cf::PLAYER{$login}	978	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	979	or cf::sync_job { !aio_stat path $login }
1116	}	980	}
1117		981
1118	sub find($) {	982	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	983	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	984	my $login = $_[0];
…		…
1137	my $path = path $pl;	1001	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1002	my $guard = cf::lock_acquire "user_save:$path";
1139		1003
1140	return if $pl->{deny_save};	1004	return if $pl->{deny_save};
1141		1005
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1006	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1007	$pl->{last_save} = $cf::RUNTIME;
1144		1008
1145	$pl->save_pl ($path);	1009	$pl->save_pl ($path);
1146	Coro::cede;	1010	Coro::cede;
1147	}	1011	}
…		…
1157	$cf::PLAYER{$login} = $self;	1021	$cf::PLAYER{$login} = $self;
1158		1022
1159	$self	1023	$self
1160	}	1024	}
1161		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
1162	sub quit_character {	1033	sub quit_character {
1163	my ($pl) = @_;	1034	my ($pl) = @_;
		1035
		1036	my $name = $pl->ob->name;
1164		1037
1165	$pl->{deny_save} = 1;	1038	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1039	$pl->password ("*"); # this should lock out the player until we nuked the dir
1167		1040
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1044	$pl->ns->destroy if $pl->ns;
1172		1045
1173	my $path = playerdir $pl;	1046	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1047	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1048	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1049	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	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
1178	IO::AIO::aio_rmtree $temp;	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
1179	}	1125	}
1180		1126
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1127	=item $player->ext_reply ($msgid, $msgtype, %msg)
1182		1128
1183	Sends an ext reply to the player.	1129	Sends an ext reply to the player.
…		…
1206	package cf::map;	1152	package cf::map;
1207		1153
1208	use Fcntl;	1154	use Fcntl;
1209	use Coro::AIO;	1155	use Coro::AIO;
1210		1156
		1157	use overload
		1158	'""' => \&as_string,
		1159	fallback => 1;
		1160
1211	our $MAX_RESET = 3600;	1161	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1162	our $DEFAULT_RESET = 3000;
1213		1163
1214	sub generate_random_map {	1164	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1165	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1166	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1167	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1171	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1172	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$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},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(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
1231	}	1309	}
1232		1310
1233	# and all this just because we cannot iterate over	1311	# and all this just because we cannot iterate over
1234	# all maps in C++...	1312	# all maps in C++...
1235	sub change_all_map_light {	1313	sub change_all_map_light {
…		…
1237		1315
1238	$_->change_map_light ($change)	1316	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1317	for grep $_->outdoor, values %cf::MAP;
1240	}	1318	}
1241		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
1242	sub try_load_header($) {	1328	sub load_header_from($) {
1243	my ($path) = @_;	1329	my ($self, $path) = @_;
1244		1330
1245	utf8::encode $path;	1331	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1247	or return;	1336	or return;
1248		1337
1249	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
1250	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1251		1384
1252	# for better error messages only, will be overwritten	1385	1
1253	$map->path ($path);
1254
1255	$map->load_header ($path)
1256	or return;
1257
1258	$map->{load_path} = $path;
1259
1260	$map
1261	}	1386	}
1262		1387
1263	sub find;	1388	sub find;
1264	sub find {	1389	sub find {
1265	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1266		1391
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1392	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1393
1272	cf::lock_wait "map_find:$key";	1394	cf::lock_wait "map_find:$path";
1273		1395
1274	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1397	my $guard = cf::lock_acquire "map_find:$path";
1276		1398	my $map = new_from_path cf::map $path
1277	# do it the slow way
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1399	or return;
1296		1400
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1401	$map->{last_save} = $cf::RUNTIME;
1309		1402
1310	Coro::cede;	1403	$map->load_header
		1404	or return;
1311		1405
1312	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;
1313	$map->reset;	1409	$map->reset;
1314	undef $guard;	1410	undef $guard;
1315	$map = find $path	1411	return find $path;
1316	or return;
1317	}	1412	}
1318		1413
1319	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1320	}	1415	}
1321	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1322		1420
1323	sub load {	1421	sub load {
1324	my ($self) = @_;	1422	my ($self) = @_;
1325		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
1326	my $path = $self->{path};	1426	my $path = $self->{path};
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1427	my $guard = cf::lock_acquire "map_load:$path";
1328		1428
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1430
1331	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1332		1432
1333	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1334	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1438	or return;
1336		1439
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1441	if delete $self->{load_original};
1339		1442
1340	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1444	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1446	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1345	}	1448	}
1346	}	1449	}
1347		1450
1348	Coro::cede;	1451	Coro::cede;
1349		1452
1350	# now do the right thing for maps	1453	# now do the right thing for maps
1351	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1352		1455
1353	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1354	$self->{deny_save} = 1;	1457	$self->decay_objects;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1360	$self->set_darkness_map;	1461	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1363	$self->activate;	1465	$self->activate;
1364	}	1466	}
1365		1467
1366	Coro::cede;	1468	$self->post_load;
1367		1469
1368	$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	}
1369	}	1504	}
1370		1505
1371	sub find_sync {	1506	sub find_sync {
1372	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1373		1508
1374	cf::sync_job { cf::map::find $path, $origin }	1509	cf::sync_job { find $path, $origin }
1375	}	1510	}
1376		1511
1377	sub do_load_sync {	1512	sub do_load_sync {
1378	my ($map) = @_;	1513	my ($map) = @_;
1379		1514
1380	cf::sync_job { $map->load };	1515	cf::sync_job { $map->load };
1381	}	1516	}
1382		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
1383	sub save {	1548	sub save {
1384	my ($self) = @_;	1549	my ($self) = @_;
1385		1550
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1552
1388	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1389		1554
1390	return unless $self->dirty;	1555	return unless $self->dirty;
1391		1556
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1557	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1559
1395	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1396		1561
1397	return if $self->{deny_save};	1562	return if $self->{deny_save};
1398		1563
…		…
1401	cf::async {	1566	cf::async {
1402	$_->contr->save for $self->players;	1567	$_->contr->save for $self->players;
1403	};	1568	};
1404		1569
1405	if ($uniq) {	1570	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1573	} else {
1409	$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);
1410	}	1575	}
1411	}	1576	}
1412		1577
1413	sub swap_out {	1578	sub swap_out {
1414	my ($self) = @_;	1579	my ($self) = @_;
…		…
1428		1593
1429	sub reset_at {	1594	sub reset_at {
1430	my ($self) = @_;	1595	my ($self) = @_;
1431		1596
1432	# TODO: safety, remove and allow resettable per-player maps	1597	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};	1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1434	return 1e99 if $self->{deny_reset};	1599	return 1e99 if $self->{deny_reset};
1435		1600
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	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;
1438		1603
…		…
1443	my ($self) = @_;	1608	my ($self) = @_;
1444		1609
1445	$self->reset_at <= $cf::RUNTIME	1610	$self->reset_at <= $cf::RUNTIME
1446	}	1611	}
1447		1612
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	1613	sub reset {
1470	my ($self) = @_;	1614	my ($self) = @_;
1471		1615
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1617
1474	return if $self->players;	1618	return if $self->players;
1475	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1476		1620
1477	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1478		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
1479	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1480		1636
1481	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1482		1638
1483	$self->unlink_save;	1639	$self->unlink_save;
1484	$self->destroy;	1640	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1643	my $nuke_counter = "aaaa";
1488		1644
1489	sub nuke {	1645	sub nuke {
1490	my ($self) = @_;	1646	my ($self) = @_;
1491		1647
		1648	delete $cf::MAP{$self->path};
		1649
		1650	$self->unlink_save;
		1651
		1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1654	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1655	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1657
		1658	$cf::MAP{$self->path} = $self;
		1659
1495	$self->reset; # polite request, might not happen	1660	$self->reset; # polite request, might not happen
1496	}	1661	}
1497		1662
1498	sub customise_for {	1663	=item cf::map::unique_maps
1499	my ($map, $ob) = @_;
1500		1664
1501	if ($map->per_player) {	1665	Returns an arrayref of paths of all shared maps that have
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1666	instantiated unique items. May block.
1503	}
1504		1667
1505	$map	1668	=cut
1506	}
1507		1669
1508	sub emergency_save {	1670	sub unique_maps() {
1509	my $freeze_guard = cf::freeze_mainloop;	1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
1510		1673
1511	warn "enter emergency perl save\n";	1674	my @paths;
1512		1675
1513	cf::sync_job {	1676	for (@$files) {
1514	warn "begin emergency player save\n";	1677	utf8::decode $_;
1515	$_->save for values %cf::PLAYER;	1678	next if /\.pst$/;
1516	warn "end emergency player save\n";	1679	next unless /^$PATH_SEP/o;
1517		1680
1518	warn "begin emergency map save\n";	1681	push @paths, cf::map::normalise $_;
1519	$_->save for values %cf::MAP;
1520	warn "end emergency map save\n";
1521	};	1682	}
1522		1683
1523	warn "leave emergency perl save\n";	1684	\@paths
1524	}	1685	}
1525		1686
1526	package cf;	1687	package cf;
1527		1688
1528	=back	1689	=back
1529		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
1530		1717
1531	=head3 cf::object::player	1718	=head3 cf::object::player
1532		1719
1533	=over 4	1720	=over 4
1534		1721
…		…
1574		1761
1575	=item $player_object->enter_link	1762	=item $player_object->enter_link
1576		1763
1577	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}>).
1578		1765
1579	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
1580	I<MUST> call C<leave_link> as soon as possible, though.	1767	I<MUST> call C<leave_link> as soon as possible, though.
1581		1768
		1769	Will never block.
		1770
1582	=item $player_object->leave_link ($map, $x, $y)	1771	=item $player_object->leave_link ($map, $x, $y)
1583		1772
1584	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
1585	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
1586	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
1587	to the emergency map position.	1776	fails, to the emergency map position.
1588		1777
1589	Might block.	1778	Might block.
1590		1779
1591	=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	}
1592		1791
1593	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1594	my ($self) = @_;	1793	my ($self) = @_;
1595		1794
1596	$self->deactivate_recursive;	1795	$self->deactivate_recursive;
1597		1796
1598	return if $self->map == $LINK_MAP;	1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		1798
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	1800	if $self->map;
1602		1801
1603	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	1803	}
1605		1804
1606	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1608		1807
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1629		1828
1630	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1631		1831
1632	return unless $self->contr->active;	1832	return unless $self->contr->active;
1633	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1635	}	1837	}
1636		1838
1637	cf::player->attach (	1839	cf::player->attach (
1638	on_logout => sub {	1840	on_logout => sub {
…		…
1651	# try to abort aborted map switching on player login :)	1853	# try to abort aborted map switching on player login :)
1652	# should happen only on crashes	1854	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {	1855	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;	1856	$pl->ob->enter_link;
1655	(async {	1857	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,	1858	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "	1859	"There was an internal problem at your last logout, "
1660	. "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.",
1661	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
1662	Coro::Timer::sleep 1;	1864	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;	1865	$pl->ob->leave_link;
1664	})->prio (2);	1866	})->prio (2);
1665	}	1867	}
1666	},	1868	},
…		…
1674	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1675		1877
1676	$self->enter_link;	1878	$self->enter_link;
1677		1879
1678	(async {	1880	(async {
1679	$path = new cf::path $path;	1881	my $map = eval {
1680
1681	my $map = cf::map::find $path->as_string;	1882	my $map = cf::map::find $path;
1682	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1683		1884	$map
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	1885	} or
1685	# if $map;
1686
1687	$map or Carp::cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689		1887
1690	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1691	})->prio (1);	1889	})->prio (1);
1692	}	1890	}
1693		1891
…		…
1697		1895
1698	sub parse_random_map_params {	1896	sub parse_random_map_params {
1699	my ($spec) = @_;	1897	my ($spec) = @_;
1700		1898
1701	my $rmp = { # defaults	1899	my $rmp = { # defaults
1702	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1704	};	1904	};
1705		1905
1706	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1708		1908
…		…
1712	$rmp	1912	$rmp
1713	}	1913	}
1714		1914
1715	sub prepare_random_map {	1915	sub prepare_random_map {
1716	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		1919
1718	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	1922	# that depends on the exit object
1721		1923
1722	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1723		1925
1724	if ($exit->map) {	1926	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1729	}	1931	}
1730		1932
1731	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1732		1934
1733	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735		1938
1736	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) {
1737	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;
1738		1943
1739	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	1945	$exit->msg (undef);
1741	}	1946	}
1742	}	1947	}
1743		1948
1744	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1746		1951
1747	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;
1748		1962
1749	$self->enter_link;	1963	$self->enter_link;
1750		1964
1751	(async {	1965	(async {
1752	$self->deactivate_recursive; # just to be sure	1966	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	1967	unless (eval {
1754	prepare_random_map $exit	1968	$self->goto ($slaying, $hp, $sp);
1755	if $exit->slaying eq "/!";
1756
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		1969
1760	1;	1970	1;
1761	}) {	1971	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "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. "
1764	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1766		1976
1767	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	1978	$self->leave_link;
1769	}	1979	}
…		…
1824	# get handled first	2034	# get handled first
1825	my $queue = delete $ns->{query_queue}	2035	my $queue = delete $ns->{query_queue}
1826	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
1827		2037
1828	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2040
1830	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1831		2042
1832	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2044	if (@$queue) {
…		…
1994	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
1995	using it, it should be unique.	2206	using it, it should be unique.
1996		2207
1997	=over 4	2208	=over 4
1998		2209
1999	=item $hashref = cf::db_get $family
2000
2001	Return a hashref for use by the extension C<$family>, which can be
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004
2005	=item $value = cf::db_get $family => $key	2210	=item $value = cf::db_get $family => $key
2006		2211
2007	Returns a single value from the database	2212	Returns a single value from the database.
2008
2009	=item cf::db_put $family => $hashref
2010
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013		2213
2014	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
2015		2215
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	Stores the given C<$value> in the family.
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026		2217
2027	=cut	2218	=cut
2028		2219
2029	our $DB;	2220	our $DB;
2030		2221
2031	{	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
2032	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;
2033		2241
2034	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
2035	$DB = stat $path ? Storable::retrieve $path : { };	2243	cf::db_put (guildrules => data => $pst->{guildrules});
2036	}	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
		2245	BDB::db_env_txn_checkpoint $DB_ENV;
2037		2246
2038	my $pid;	2247	unlink $path;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}	2248	};
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});
2060
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}
2065
2066	sub db_get($;$) {
2067	@_ >= 2
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071
2072	sub db_put($$;$) {
2073	if (@_ >= 3) {
2074	$DB->{$_[0]}{$_[1]} = $_[2];
2075	} else {
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080
2081	cf::global->attach (
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	2249	}
2086	);	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 { };
2087	}	2267	}
2088		2268
2089	#############################################################################	2269	#############################################################################
2090	# 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	}
2091		2305
2092	sub cfg_load {	2306	sub cfg_load {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
2094	or return;	2308	or return;
2095		2309
…		…
2112		2326
2113	sub main {	2327	sub main {
2114	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
2116	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 {
2117	async { Event::one_event };	2332	Event::one_event;
		2333	})->prio (Coro::PRIO_MAX);
2118	};	2334	};
2119		2335
2120	cfg_load;	2336	cfg_load;
2121	db_load;	2337	db_init;
2122	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
2123	Event::loop;	2341	Event::loop;
2124	}	2342	}
2125		2343
2126	#############################################################################	2344	#############################################################################
2127	# 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 $make_core;
		2400	}
2128		2401
2129	sub reload() {	2402	sub reload() {
2130	# can/must only be called in main	2403	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
2133	return;	2406	return;
2134	}	2407	}
2135		2408
2136	warn "reloading...";	2409	warn "reloading...";
2137		2410
2138	my $guard = freeze_mainloop;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
2139	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
2140		2417
2141	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
2142	# 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
2143		2422
2144	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2426	}
2148		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
2149	# cancel all extension coros	2439	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2441	%EXT_CORO = ();
2152		2442
2153	# unload all extensions	2443	warn "removing commands";
2154	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2451	warn "... unloading $pkg";
2156	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: $@";
2157	}	2458	}
2158		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
2159	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2467
2163	warn "removing <$k>";	2468	warn "... unloading $k";
2164	delete $INC{$k};	2469	delete $INC{$k};
2165		2470
2166	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
2168		2473
…		…
2171	}	2476	}
2172		2477
2173	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
2174	}	2479	}
2175		2480
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
2182	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);
2183		2484
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
2189		2487
2190	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2489	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
2193		2491
2194	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
2195	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
2196	require cf;	2495	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2497
2199	# load config and database again	2498	warn "loading config and database again";
2200	cf::cfg_load;	2499	cf::cfg_load;
2201	cf::db_load;
2202		2500
2203	# load extensions
2204	warn "load extensions";	2501	warn "loading extensions";
2205	cf::load_extensions;	2502	cf::load_extensions;
2206		2503
2207	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
2208	warn "reattach";	2505	_global_reattach; # objects, sockets
2209	_global_reattach;	2506	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2507	reattach $_ for values %MAP;
2211	};	2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
2212		2510
2213	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
2214	warn $@;	2518	warn $@;
2215	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
2216	exit 1;	2520	exit 1;
2217	}	2521	};
2218		2522
2219	warn "reloaded successfully";	2523	warn "reloaded";
2220	};	2524	};
2221		2525
2222	#############################################################################	2526	our $RELOAD_WATCHER; # used only during reload
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}
2264
2265	register "<global>", __PACKAGE__;
2266		2527
2267	register_command "reload" => sub {	2528	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
2269		2530
2270	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
2271	$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 {
2272	reload;	2542	reload;
2273	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
2274	}	2546	}
2275	};	2547	};
2276		2548
2277	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
2278		2552
2279	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
2281	prio => 0,	2556	prio => 0,
2282	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
2284	cb => sub {	2559	cb => sub {
		2560	if ($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
2285	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
2287	$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#
2288		2585
2289	# 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
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		2588
2292	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2294	},	2591	},
2295	);	2592	);
2296		2593
		2594	{
2297	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2298		2596	$BDB_POLL_WATCHER = Event->io (
2299	Event->io (	2597	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2301	poll => 'r',	2599	poll => 'r',
2302	prio => 5,	2600	prio => 0,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2309	after => 0,	2602	cb => \&BDB::poll_cb,
2310	interval => 10,	2603	);
2311	cb => sub {	2604	BDB::min_parallel 8;
2312	(Coro::unblock_sub {	2605
2313	write_runtime	2606	BDB::set_sync_prepare {
2314	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 $@;
2315	})->();	2640	};
2316	},	2641	}
2317	);	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	}
2318		2658
2319	END { cf::emergency_save }	2659	END { cf::emergency_save }
2320		2660
2321	1	2661	1
2322		2662

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