ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.142 by root, Fri Jan 5 21:51:42 2007 UTC vs.
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 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
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
224	}	271	}
225		272
226	sub freeze_mainloop {	273	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
228		275
229	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
230	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
231	$guard	280	$guard
232	}	281	}
233		282
234	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
286	}	335	}
287	}	336	}
288		337
289	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
290		339
291	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	341	extension calling this is being unloaded.
293		342
294	=cut	343	=cut
295		344
296	sub async_ext(&) {	345	sub async_ext(&) {
…		…
305		354
306	$coro	355	$coro
307	}	356	}
308		357
309	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
310	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
311		362
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
313	or return;	364	or return;
314		365
		366	my $value = $cf::RUNTIME + 90 + 10;
315	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;	371	and return;
318		372
		373	# always fsync - this file is important
319	aio_fsync $fh	374	aio_fsync $fh
320	and return;	375	and return;
321		376
322	close $fh	377	close $fh
323	or return;	378	or return;
…		…
329	}	384	}
330		385
331	=back	386	=back
332		387
333	=cut	388	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		389
455	#############################################################################	390	#############################################################################
456		391
457	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
458		393
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	520	our @CB_MAP = ();
586		521
587	my %attachment;	522	my %attachment;
588		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
589	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
591		532
592	use sort 'stable';	533	use sort 'stable';
593		534
…		…
764	# object support	705	# object support
765		706
766	sub reattach {	707	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		712
770	my $registry = $obj->registry;	713	my $registry = $obj->registry;
771		714
772	@$registry = ();	715	@$registry = ();
773		716
…		…
820	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
821		764
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
826	close $fh;	769	close $fh;
827		770
828	if (@$objs) {	771	if (@$objs) {
829	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
833	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
834	close $fh;	777	close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
836	}	779	}
837	} else {	780	} else {
838	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
905	=cut	848	=cut
906		849
907	sub register_extcmd {	850	sub register_extcmd {
908	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
909		852
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
914	}	854	}
915		855
916	cf::player->attach (	856	cf::player->attach (
917	on_command => sub {	857	on_command => sub {
918	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
931		871
932	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
933		873
934	if (ref $msg) {	874	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	878	}
939	}	879	}
940	} else {	880	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		883
944	cf::override;	884	cf::override;
945	},	885	},
946	);	886	);
947		887
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	888	sub load_extension {
955	my ($path) = @_;	889	my ($path) = @_;
956		890
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
958	my $base = $1;	892	my $base = $1;
959	my $pkg = $1;	893	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
962		896
963	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
964		898
965	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
966	or die "$path: $!";	900	or die "$path: $!";
967		901
968	my $source =	902	my $source =
969	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
972	. "\n};\n1";	906	. "\n};\n1";
973		907
974	eval $source	908	unless (eval $source) {
975	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
976	: "extension disabled.\n";	910	: "extension disabled.\n";
977		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978	push @exts, $pkg;	912	warn $@;
979	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
980		914	exit 1;
981	# no strict 'refs';	915	}
982	# @{"$pkg\::ISA"} = ext::;	916	die $@;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	917	}
997		918
998	# remove commands	919	push @EXTS, $pkg;
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}	920	}
1023		921
1024	sub load_extensions {	922	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	924	next unless -r $ext;
…		…
1030	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1031	}	929	}
1032	}	930	}
1033		931
1034	#############################################################################	932	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071		933
1072	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1073		935
1074	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1075		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1076	=head3 cf::player	944	=head3 cf::player
1077		945
1078	=over 4	946	=over 4
1079		947
1080	=item cf::player::exists $login	948	=item cf::player::find $login
1081		949
1082	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1083		951
1084	=cut	952	=cut
1085		953
1086	sub cf::player::exists($) {	954	sub playerdir($) {
1087	cf::player::find $_[0]	955	cf::localdir
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item $pl->kick
		1060
		1061	Kicks a player out of the game. This destroys the connection.
		1062
		1063	=cut
		1064
		1065	sub kick {
		1066	my ($pl, $kicker) = @_;
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1069	$pl->killer ("kicked");
		1070	$pl->ns->destroy;
		1071	}
		1072
		1073	=item cf::player::list_logins
		1074
		1075	Returns am arrayref of all valid playernames in the system, can take a
		1076	while and may block, so not sync_job-capable, ever.
		1077
		1078	=cut
		1079
		1080	sub list_logins {
		1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1082	or return [];
		1083
		1084	my @logins;
		1085
		1086	for my $login (@$dirs) {
		1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1088	aio_read $fh, 0, 512, my $buf, 0 or next;
		1089	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1090
		1091	utf8::decode $login;
		1092	push @logins, $login;
		1093	}
		1094
		1095	\@logins
		1096	}
		1097
		1098	=item $player->maps
		1099
		1100	Returns an arrayref of map paths that are private for this
		1101	player. May block.
		1102
		1103	=cut
		1104
		1105	sub maps($) {
		1106	my ($pl) = @_;
		1107
		1108	$pl = ref $pl ? $pl->ob->name : $pl;
		1109
		1110	my $files = aio_readdir playerdir $pl
		1111	or return;
		1112
		1113	my @paths;
		1114
		1115	for (@$files) {
		1116	utf8::decode $_;
		1117	next if /\.(?:pl|pst)$/;
		1118	next unless /^$PATH_SEP/o;
		1119
		1120	push @paths, cf::map::normalise "~$pl/$_";
		1121	}
		1122
		1123	\@paths
1089	}	1124	}
1090		1125
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1126	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092		1127
1093	Sends an ext reply to the player.	1128	Sends an ext reply to the player.
1094		1129
1095	=cut	1130	=cut
1096		1131
1097	sub cf::player::ext_reply($$$%) {	1132	sub ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;	1133	my ($self, $id, %msg) = @_;
1099		1134
1100	$msg{msgid} = $id;	1135	$msg{msgid} = $id;
1101		1136
1102	$self->send ("ext " . to_json \%msg);	1137	$self->send ("ext " . cf::to_json \%msg);
1103	}	1138	}
		1139
		1140	package cf;
1104		1141
1105	=back	1142	=back
1106		1143
1107		1144
1108	=head3 cf::map	1145	=head3 cf::map
…		…
1114	package cf::map;	1151	package cf::map;
1115		1152
1116	use Fcntl;	1153	use Fcntl;
1117	use Coro::AIO;	1154	use Coro::AIO;
1118		1155
		1156	use overload
		1157	'""' => \&as_string,
		1158	fallback => 1;
		1159
1119	our $MAX_RESET = 3600;	1160	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1161	our $DEFAULT_RESET = 3000;
1121		1162
1122	sub generate_random_map {	1163	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1164	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1165	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1166	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1170	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1171	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1177	(cf::region::find $rmp->{region}), $rmp->{custom}
		1178	)
		1179	}
		1180
		1181	=item cf::map->register ($regex, $prio)
		1182
		1183	Register a handler for the map path matching the given regex at the
		1184	givne priority (higher is better, built-in handlers have priority 0, the
		1185	default).
		1186
		1187	=cut
		1188
		1189	sub register {
		1190	my (undef, $regex, $prio) = @_;
		1191	my $pkg = caller;
		1192
		1193	no strict;
		1194	push @{"$pkg\::ISA"}, __PACKAGE__;
		1195
		1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1197	}
		1198
		1199	# also paths starting with '/'
		1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1201
		1202	sub thawer_merge {
		1203	my ($self, $merge) = @_;
		1204
		1205	# we have to keep some variables in memory intact
		1206	local $self->{path};
		1207	local $self->{load_path};
		1208	local $self->{deny_save};
		1209	local $self->{deny_reset};
		1210
		1211	$self->SUPER::thawer_merge ($merge);
		1212	}
		1213
		1214	sub normalise {
		1215	my ($path, $base) = @_;
		1216
		1217	$path = "$path"; # make sure its a string
		1218
		1219	$path =~ s/\.map$//;
		1220
		1221	# map plan:
		1222	#
		1223	# /! non-realised random map exit (special hack!)
		1224	# {... are special paths that are not being touched
		1225	# ?xxx/... are special absolute paths
		1226	# ?random/... random maps
		1227	# /... normal maps
		1228	# ~user/... per-player map of a specific user
		1229
		1230	$path =~ s/$PATH_SEP/\//go;
		1231
		1232	# treat it as relative path if it starts with
		1233	# something that looks reasonable
		1234	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1235	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1236
		1237	$base =~ s{[^/]+/?$}{};
		1238	$path = "$base/$path";
		1239	}
		1240
		1241	for ($path) {
		1242	redo if s{//}{/};
		1243	redo if s{/\.?/}{/};
		1244	redo if s{/[^/]+/\.\./}{/};
		1245	}
		1246
		1247	$path
		1248	}
		1249
		1250	sub new_from_path {
		1251	my (undef, $path, $base) = @_;
		1252
		1253	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1254
		1255	$path = normalise $path, $base;
		1256
		1257	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1258	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1259	my $self = bless cf::map::new, $pkg;
		1260	$self->{path} = $path; $self->path ($path);
		1261	$self->init; # pass $1 etc.
		1262	return $self;
		1263	}
		1264	}
		1265
		1266	Carp::carp "unable to resolve path '$path' (base '$base').";
		1267	()
		1268	}
		1269
		1270	sub init {
		1271	my ($self) = @_;
		1272
		1273	$self
		1274	}
		1275
		1276	sub as_string {
		1277	my ($self) = @_;
		1278
		1279	"$self->{path}"
		1280	}
		1281
		1282	# the displayed name, this is a one way mapping
		1283	sub visible_name {
		1284	&as_string
		1285	}
		1286
		1287	# the original (read-only) location
		1288	sub load_path {
		1289	my ($self) = @_;
		1290
		1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1292	}
		1293
		1294	# the temporary/swap location
		1295	sub save_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1300	}
		1301
		1302	# the unique path, undef == no special unique path
		1303	sub uniq_path {
		1304	my ($self) = @_;
		1305
		1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1139	}	1308	}
1140		1309
1141	# and all this just because we cannot iterate over	1310	# and all this just because we cannot iterate over
1142	# all maps in C++...	1311	# all maps in C++...
1143	sub change_all_map_light {	1312	sub change_all_map_light {
…		…
1145		1314
1146	$_->change_map_light ($change)	1315	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1316	for grep $_->outdoor, values %cf::MAP;
1148	}	1317	}
1149		1318
		1319	sub unlink_save {
		1320	my ($self) = @_;
		1321
		1322	utf8::encode (my $save = $self->save_path);
		1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1325	}
		1326
1150	sub try_load_header($) {	1327	sub load_header_from($) {
1151	my ($path) = @_;	1328	my ($self, $path) = @_;
1152		1329
1153	utf8::encode $path;	1330	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1331	#aio_open $path, O_RDONLY, 0
		1332	# or return;
		1333
		1334	$self->_load_header ($path)
1155	or return;	1335	or return;
1156		1336
1157	my $map = cf::map::new	1337	$self->{load_path} = $path;
		1338
		1339	1
		1340	}
		1341
		1342	sub load_header_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->load_path)
		1346	}
		1347
		1348	sub load_header_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->load_header_from ($self->save_path)
		1352	}
		1353
		1354	sub prepare_temp {
		1355	my ($self) = @_;
		1356
		1357	$self->last_access ((delete $self->{last_access})
		1358	|| $cf::RUNTIME); #d#
		1359	# safety
		1360	$self->{instantiate_time} = $cf::RUNTIME
		1361	if $self->{instantiate_time} > $cf::RUNTIME;
		1362	}
		1363
		1364	sub prepare_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->{load_original} = 1;
		1368	$self->{instantiate_time} = $cf::RUNTIME;
		1369	$self->last_access ($cf::RUNTIME);
		1370	$self->instantiate;
		1371	}
		1372
		1373	sub load_header {
		1374	my ($self) = @_;
		1375
		1376	if ($self->load_header_temp) {
		1377	$self->prepare_temp;
		1378	} else {
		1379	$self->load_header_orig
1158	or return;	1380	or return;
		1381	$self->prepare_orig;
		1382	}
1159		1383
1160	# for better error messages only, will be overwritten	1384	1
1161	$map->path ($path);
1162
1163	$map->load_header ($path)
1164	or return;
1165
1166	$map->{load_path} = $path;
1167
1168	$map
1169	}	1385	}
1170		1386
1171	sub find;	1387	sub find;
1172	sub find {	1388	sub find {
1173	my ($path, $origin) = @_;	1389	my ($path, $origin) = @_;
1174		1390
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1391	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1392
1180	cf::lock_wait "map_find:$key";	1393	cf::lock_wait "map_find:$path";
1181		1394
1182	$cf::MAP{$key} || do {	1395	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1396	my $guard = cf::lock_acquire "map_find:$path";
1184		1397	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1398	or return;
1204		1399
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1400	$map->{last_save} = $cf::RUNTIME;
1217		1401
1218	Coro::cede;	1402	$map->load_header
		1403	or return;
1219		1404
1220	if ($map->should_reset) {	1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1406	# doing this can freeze the server in a sync job, obviously
		1407	#$cf::WAIT_FOR_TICK->wait;
1221	$map->reset;	1408	$map->reset;
1222	undef $guard;	1409	undef $guard;
1223	$map = find $path	1410	return find $path;
1224	or return;
1225	}	1411	}
1226		1412
1227	$cf::MAP{$key} = $map	1413	$cf::MAP{$path} = $map
1228	}	1414	}
1229	}	1415	}
		1416
		1417	sub pre_load { }
		1418	sub post_load { }
1230		1419
1231	sub load {	1420	sub load {
1232	my ($self) = @_;	1421	my ($self) = @_;
1233		1422
		1423	local $self->{deny_reset} = 1; # loading can take a long time
		1424
1234	my $path = $self->{path};	1425	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1426	my $guard = cf::lock_acquire "map_load:$path";
1236		1427
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1428	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1429
1239	$self->in_memory (cf::MAP_LOADING);	1430	$self->in_memory (cf::MAP_LOADING);
1240		1431
1241	$self->alloc;	1432	$self->alloc;
		1433
		1434	$self->pre_load;
		1435
1242	$self->load_objects ($self->{load_path}, 1)	1436	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1437	or return;
1244		1438
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1440	if delete $self->{load_original};
1247		1441
1248	if (my $uniq = $path->uniq_path) {	1442	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1443	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1444	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1445	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1446	$self->_load_objects ($uniq, 0);
1253	}	1447	}
1254	}	1448	}
1255		1449
1256	Coro::cede;	1450	Coro::cede;
1257		1451
1258	# now do the right thing for maps	1452	# now do the right thing for maps
1259	$self->link_multipart_objects;	1453	$self->link_multipart_objects;
1260		1454
1261	if ($self->{path}->is_style_map) {	1455	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1456	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1457	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1458	$self->update_buttons;
		1459	Coro::cede;
1268	$self->set_darkness_map;	1460	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1461	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1462	unless $self->difficulty;
		1463	Coro::cede;
1271	$self->activate;	1464	$self->activate;
1272	}	1465	}
1273		1466
1274	Coro::cede;	1467	$self->post_load;
1275		1468
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1469	$self->in_memory (cf::MAP_IN_MEMORY);
		1470	}
		1471
		1472	sub customise_for {
		1473	my ($self, $ob) = @_;
		1474
		1475	return find "~" . $ob->name . "/" . $self->{path}
		1476	if $self->per_player;
		1477
		1478	$self
		1479	}
		1480
		1481	# find and load all maps in the 3x3 area around a map
		1482	sub load_diag {
		1483	my ($map) = @_;
		1484
		1485	my @diag; # diagonal neighbours
		1486
		1487	for (0 .. 3) {
		1488	my $neigh = $map->tile_path ($_)
		1489	or next;
		1490	$neigh = find $neigh, $map
		1491	or next;
		1492	$neigh->load;
		1493
		1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1496	}
		1497
		1498	for (@diag) {
		1499	my $neigh = find @$_
		1500	or next;
		1501	$neigh->load;
		1502	}
1277	}	1503	}
1278		1504
1279	sub find_sync {	1505	sub find_sync {
1280	my ($path, $origin) = @_;	1506	my ($path, $origin) = @_;
1281		1507
1282	cf::sync_job { cf::map::find $path, $origin }	1508	cf::sync_job { find $path, $origin }
1283	}	1509	}
1284		1510
1285	sub do_load_sync {	1511	sub do_load_sync {
1286	my ($map) = @_;	1512	my ($map) = @_;
1287		1513
1288	cf::sync_job { $map->load };	1514	cf::sync_job { $map->load };
1289	}	1515	}
1290		1516
		1517	our %MAP_PREFETCH;
		1518	our $MAP_PREFETCHER = undef;
		1519
		1520	sub find_async {
		1521	my ($path, $origin) = @_;
		1522
		1523	$path = normalise $path, $origin && $origin->{path};
		1524
		1525	if (my $map = $cf::MAP{$path}) {
		1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1527	}
		1528
		1529	undef $MAP_PREFETCH{$path};
		1530	$MAP_PREFETCHER ||= cf::async {
		1531	while (%MAP_PREFETCH) {
		1532	for my $path (keys %MAP_PREFETCH) {
		1533	my $map = find $path
		1534	or next;
		1535	$map->load;
		1536
		1537	delete $MAP_PREFETCH{$path};
		1538	}
		1539	}
		1540	undef $MAP_PREFETCHER;
		1541	};
		1542	$MAP_PREFETCHER->prio (6);
		1543
		1544	()
		1545	}
		1546
1291	sub save {	1547	sub save {
1292	my ($self) = @_;	1548	my ($self) = @_;
1293		1549
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1551
1296	$self->{last_save} = $cf::RUNTIME;	1552	$self->{last_save} = $cf::RUNTIME;
1297		1553
1298	return unless $self->dirty;	1554	return unless $self->dirty;
1299		1555
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1556	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1557	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1558
1303	$self->{load_path} = $save;	1559	$self->{load_path} = $save;
1304		1560
1305	return if $self->{deny_save};	1561	return if $self->{deny_save};
1306		1562
1307	local $self->{last_access} = $self->last_access;#d#	1563	local $self->{last_access} = $self->last_access;#d#
1308		1564
		1565	cf::async {
		1566	$_->contr->save for $self->players;
		1567	};
		1568
1309	if ($uniq) {	1569	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1572	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1574	}
1315	}	1575	}
1316		1576
1317	sub swap_out {	1577	sub swap_out {
1318	my ($self) = @_;	1578	my ($self) = @_;
…		…
1332		1592
1333	sub reset_at {	1593	sub reset_at {
1334	my ($self) = @_;	1594	my ($self) = @_;
1335		1595
1336	# TODO: safety, remove and allow resettable per-player maps	1596	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1598	return 1e99 if $self->{deny_reset};
1339		1599
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1602
…		…
1347	my ($self) = @_;	1607	my ($self) = @_;
1348		1608
1349	$self->reset_at <= $cf::RUNTIME	1609	$self->reset_at <= $cf::RUNTIME
1350	}	1610	}
1351		1611
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	1612	sub reset {
1374	my ($self) = @_;	1613	my ($self) = @_;
1375		1614
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1615	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1616
1378	return if $self->players;	1617	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1618	return if $self->isa ("ext::map_per_player");#d#
1380		1619
1381	warn "resetting map ", $self->path;#d#	1620	warn "resetting map ", $self->path;#d#
1382		1621
		1622	$self->in_memory (cf::MAP_SWAPPED);
		1623
		1624	# need to save uniques path
		1625	unless ($self->{deny_save}) {
		1626	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1627
		1628	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1629	if $uniq;
		1630	}
		1631
1383	delete $cf::MAP{$self->path};	1632	delete $cf::MAP{$self->path};
		1633
		1634	$self->clear;
1384		1635
1385	$_->clear_links_to ($self) for values %cf::MAP;	1636	$_->clear_links_to ($self) for values %cf::MAP;
1386		1637
1387	$self->unlink_save;	1638	$self->unlink_save;
1388	$self->destroy;	1639	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1642	my $nuke_counter = "aaaa";
1392		1643
1393	sub nuke {	1644	sub nuke {
1394	my ($self) = @_;	1645	my ($self) = @_;
1395		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->unlink_save;
		1650
		1651	bless $self, "cf::map";
		1652	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1653	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1654	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1656
		1657	$cf::MAP{$self->path} = $self;
		1658
1399	$self->reset; # polite request, might not happen	1659	$self->reset; # polite request, might not happen
1400	}	1660	}
1401		1661
1402	sub customise_for {	1662	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1663
1405	if ($map->per_player) {	1664	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1665	instantiated unique items. May block.
1407	}
1408		1666
1409	$map	1667	=cut
1410	}
1411		1668
1412	sub emergency_save {	1669	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1671	or return;
1414		1672
1415	warn "enter emergency map save\n";	1673	my @paths;
1416		1674
1417	cf::sync_job {	1675	for (@$files) {
1418	warn "begin emergency map save\n";	1676	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1677	next if /\.pst$/;
		1678	next unless /^$PATH_SEP/o;
		1679
		1680	push @paths, cf::map::normalise $_;
1420	};	1681	}
1421		1682
1422	warn "end emergency map save\n";	1683	\@paths
1423	}	1684	}
1424		1685
1425	package cf;	1686	package cf;
1426		1687
1427	=back	1688	=back
1428		1689
		1690	=head3 cf::object
		1691
		1692	=cut
		1693
		1694	package cf::object;
		1695
		1696	=over 4
		1697
		1698	=item $ob->inv_recursive
		1699
		1700	Returns the inventory of the object _and_ their inventories, recursively.
		1701
		1702	=cut
		1703
		1704	sub inv_recursive_;
		1705	sub inv_recursive_ {
		1706	map { $_, inv_recursive_ $_->inv } @_
		1707	}
		1708
		1709	sub inv_recursive {
		1710	inv_recursive_ inv $_[0]
		1711	}
		1712
		1713	package cf;
		1714
		1715	=back
1429		1716
1430	=head3 cf::object::player	1717	=head3 cf::object::player
1431		1718
1432	=over 4	1719	=over 4
1433		1720
…		…
1473		1760
1474	=item $player_object->enter_link	1761	=item $player_object->enter_link
1475		1762
1476	Freezes the player and moves him/her to a special map (C<{link}>).	1763	Freezes the player and moves him/her to a special map (C<{link}>).
1477		1764
1478	The player should be reaosnably safe there for short amounts of time. You	1765	The player should be reasonably safe there for short amounts of time. You
1479	I<MUST> call C<leave_link> as soon as possible, though.	1766	I<MUST> call C<leave_link> as soon as possible, though.
1480		1767
		1768	Will never block.
		1769
1481	=item $player_object->leave_link ($map, $x, $y)	1770	=item $player_object->leave_link ($map, $x, $y)
1482		1771
1483	Moves the player out of the specila link map onto the given map. If the	1772	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	1773	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	1774	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1775	fails, to the emergency map position.
1487		1776
1488	Might block.	1777	Might block.
1489		1778
1490	=cut	1779	=cut
		1780
		1781	sub link_map {
		1782	unless ($LINK_MAP) {
		1783	$LINK_MAP = cf::map::find "{link}"
		1784	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1785	$LINK_MAP->load;
		1786	}
		1787
		1788	$LINK_MAP
		1789	}
1491		1790
1492	sub cf::object::player::enter_link {	1791	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1792	my ($self) = @_;
1494		1793
1495	$self->deactivate_recursive;	1794	$self->deactivate_recursive;
1496		1795
1497	return if $self->map == $LINK_MAP;	1796	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1797
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1799	if $self->map;
1501		1800
1502	$self->enter_map ($LINK_MAP, 20, 20);	1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	1802	}
1504		1803
1505	sub cf::object::player::leave_link {	1804	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1805	my ($self, $map, $x, $y) = @_;
1507		1806
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1824	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1825	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1826	if $x <=0 && $y <= 0;
1528		1827
1529	$map->load;	1828	$map->load;
		1829	$map->load_diag;
1530		1830
		1831	return unless $self->contr->active;
1531	$self->activate_recursive;	1832	$self->activate_recursive;
		1833
		1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1532	$self->enter_map ($map, $x, $y);	1835	$self->enter_map ($map, $x, $y);
1533	}	1836	}
1534		1837
1535	cf::player->attach (	1838	cf::player->attach (
1536	on_logout => sub {	1839	on_logout => sub {
…		…
1547	my ($pl) = @_;	1850	my ($pl) = @_;
1548		1851
1549	# try to abort aborted map switching on player login :)	1852	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1853	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1854	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1855	$pl->ob->enter_link;
1554	(async {	1856	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,	1857	$pl->ob->reply (undef,
1558	"There was an internal problem at your last logout, "	1858	"There was an internal problem at your last logout, "
1559	. "the server will try to bring you to your intended destination in a second.",	1859	. "the server will try to bring you to your intended destination in a second.",
1560	cf::NDI_RED);	1860	cf::NDI_RED);
		1861	# we need this sleep as the login has a concurrent enter_exit running
		1862	# and this sleep increases chances of the player not ending up in scorn
1561	Coro::Timer::sleep 1;	1863	Coro::Timer::sleep 1;
1562	$pl->ob->leave_link;	1864	$pl->ob->leave_link;
1563	})->prio (2);	1865	})->prio (2);
1564	}	1866	}
1565	},	1867	},
…		…
1573	my ($self, $path, $x, $y) = @_;	1875	my ($self, $path, $x, $y) = @_;
1574		1876
1575	$self->enter_link;	1877	$self->enter_link;
1576		1878
1577	(async {	1879	(async {
1578	$path = new cf::path $path;	1880	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	1881	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1882	$map = $map->customise_for ($self) if $map;
1582		1883	$map
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1884	} or
1584	# if $map;
1585
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1587		1886
1588	$self->leave_link ($map, $x, $y);	1887	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1888	})->prio (1);
1590	}	1889	}
1591		1890
…		…
1595		1894
1596	sub parse_random_map_params {	1895	sub parse_random_map_params {
1597	my ($spec) = @_;	1896	my ($spec) = @_;
1598		1897
1599	my $rmp = { # defaults	1898	my $rmp = { # defaults
1600	xsize => 10,	1899	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1900	ysize => (cf::rndm 15, 40),
		1901	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1902	#layout => string,
1602	};	1903	};
1603		1904
1604	for (split /\n/, $spec) {	1905	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1906	my ($k, $v) = split /\s+/, $_, 2;
1606		1907
…		…
1610	$rmp	1911	$rmp
1611	}	1912	}
1612		1913
1613	sub prepare_random_map {	1914	sub prepare_random_map {
1614	my ($exit) = @_;	1915	my ($exit) = @_;
		1916
		1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1918
1616	# all this does is basically replace the /! path by	1919	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1920	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1921	# that depends on the exit object
1619		1922
1620	my $rmp = parse_random_map_params $exit->msg;	1923	my $rmp = parse_random_map_params $exit->msg;
1621		1924
1622	if ($exit->map) {	1925	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	1926	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	1927	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	1928	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	1929	$rmp->{origin_y} = $exit->y;
1627	}	1930	}
1628		1931
1629	$rmp->{random_seed} ||= $exit->random_seed;	1932	$rmp->{random_seed} ||= $exit->random_seed;
1630		1933
1631	my $data = cf::to_json $rmp;	1934	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1935	my $md5 = Digest::MD5::md5_hex $data;
		1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1937
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	1939	aio_write $fh, 0, (length $data), $data, 0;
		1940	undef $fh;
		1941	aio_rename "$meta~", $meta;
1636		1942
1637	$exit->slaying ("?random/$md5");	1943	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1944	$exit->msg (undef);
1639	}	1945	}
1640	}	1946	}
1641		1947
1642	sub cf::object::player::enter_exit {	1948	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	1949	my ($self, $exit) = @_;
1644		1950
1645	return unless $self->type == cf::PLAYER;	1951	return unless $self->type == cf::PLAYER;
		1952
		1953	if ($exit->slaying eq "/!") {
		1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1955	cf::sync_job { prepare_random_map $exit };
		1956	}
		1957
		1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1959	my $hp = $exit->stats->hp;
		1960	my $sp = $exit->stats->sp;
1646		1961
1647	$self->enter_link;	1962	$self->enter_link;
1648		1963
1649	(async {	1964	(async {
1650	$self->deactivate_recursive; # just to be sure	1965	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1966	unless (eval {
1652	prepare_random_map $exit	1967	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		1968
1658	1;	1969	1;
1659	}) {	1970	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1971	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1972	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1973	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1974	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1975
1665	warn "ERROR in enter_exit: $@";	1976	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1977	$self->leave_link;
1667	}	1978	}
…		…
1722	# get handled first	2033	# get handled first
1723	my $queue = delete $ns->{query_queue}	2034	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2035	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2036
1726	(shift @$queue)->[1]->($msg);	2037	(shift @$queue)->[1]->($msg);
		2038	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2039
1728	push @{ $ns->{query_queue} }, @$queue;	2040	push @{ $ns->{query_queue} }, @$queue;
1729		2041
1730	if (@{ $ns->{query_queue} } == @$queue) {	2042	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2043	if (@$queue) {
…		…
1892	The parameter C<$family> should best start with the name of the extension	2204	The parameter C<$family> should best start with the name of the extension
1893	using it, it should be unique.	2205	using it, it should be unique.
1894		2206
1895	=over 4	2207	=over 4
1896		2208
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2209	=item $value = cf::db_get $family => $key
1904		2210
1905	Returns a single value from the database	2211	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2212
1912	=item cf::db_put $family => $key => $value	2213	=item cf::db_put $family => $key => $value
1913		2214
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2215	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2216
1925	=cut	2217	=cut
1926		2218
1927	our $DB;	2219	our $DB;
1928		2220
1929	{	2221	sub db_init {
		2222	unless ($DB) {
		2223	$DB = BDB::db_create $DB_ENV;
		2224
		2225	cf::sync_job {
		2226	eval {
		2227	$DB->set_flags (BDB::CHKSUM);
		2228
		2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2231	cf::cleanup "db_open(db): $!" if $!;
		2232	};
		2233	cf::cleanup "db_open(db): $@" if $@;
		2234	};
		2235
1930	my $path = cf::localdir . "/database.pst";	2236	my $path = cf::localdir . "/database.pst";
		2237	if (stat $path) {
		2238	cf::sync_job {
		2239	my $pst = Storable::retrieve $path;
1931		2240
1932	sub db_load() {	2241	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2242	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2243	cf::db_put (rent => balance => $pst->{rent}{balance});
		2244	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2245
1936	my $pid;	2246	unlink $path;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2247	};
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2248	}
1984	);	2249	}
		2250	}
		2251
		2252	sub db_get($$) {
		2253	my $key = "$_[0]/$_[1]";
		2254
		2255	cf::sync_job {
		2256	BDB::db_get $DB, undef, $key, my $data;
		2257
		2258	$! ? ()
		2259	: Compress::LZF::sthaw $data
		2260	}
		2261	}
		2262
		2263	sub db_put($$$) {
		2264	BDB::dbreq_pri 4;
		2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1985	}	2266	}
1986		2267
1987	#############################################################################	2268	#############################################################################
1988	# the server's main()	2269	# the server's init and main functions
		2270
		2271	sub init_resources {
		2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2273	or die "unable to load regions file\n";#d#
		2274	}
1989		2275
1990	sub cfg_load {	2276	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2278	or return;
1993		2279
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2287
2002	if (exists $CFG{mlockall}) {	2288	if (exists $CFG{mlockall}) {
2003	eval {	2289	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2291	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2292	};
2007	warn $@ if $@;	2293	warn $@ if $@;
2008	}	2294	}
		2295	}
		2296
		2297	sub init {
		2298	init_resources;
2009	}	2299	}
2010		2300
2011	sub main {	2301	sub main {
2012	# we must not ever block the main coroutine	2302	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2303	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2305	(async {
2015	async { Event::one_event };	2306	Event::one_event;
		2307	})->prio (Coro::PRIO_MAX);
2016	};	2308	};
2017		2309
2018	cfg_load;	2310	cfg_load;
2019	db_load;	2311	db_init;
2020	load_extensions;	2312	load_extensions;
		2313
		2314	$TICK_WATCHER->start;
2021	Event::loop;	2315	Event::loop;
2022	}	2316	}
2023		2317
2024	#############################################################################	2318	#############################################################################
2025	# initialisation	2319	# initialisation and cleanup
		2320
		2321	# install some emergency cleanup handlers
		2322	BEGIN {
		2323	for my $signal (qw(INT HUP TERM)) {
		2324	Event->signal (
		2325	reentrant => 0,
		2326	data => WF_AUTOCANCEL,
		2327	signal => $signal,
		2328	prio => 0,
		2329	cb => sub {
		2330	cf::cleanup "SIG$signal";
		2331	},
		2332	);
		2333	}
		2334	}
		2335
		2336	sub emergency_save() {
		2337	my $freeze_guard = cf::freeze_mainloop;
		2338
		2339	warn "enter emergency perl save\n";
		2340
		2341	cf::sync_job {
		2342	# use a peculiar iteration method to avoid tripping on perl
		2343	# refcount bugs in for. also avoids problems with players
		2344	# and maps saved/destroyed asynchronously.
		2345	warn "begin emergency player save\n";
		2346	for my $login (keys %cf::PLAYER) {
		2347	my $pl = $cf::PLAYER{$login} or next;
		2348	$pl->valid or next;
		2349	$pl->save;
		2350	}
		2351	warn "end emergency player save\n";
		2352
		2353	warn "begin emergency map save\n";
		2354	for my $path (keys %cf::MAP) {
		2355	my $map = $cf::MAP{$path} or next;
		2356	$map->valid or next;
		2357	$map->save;
		2358	}
		2359	warn "end emergency map save\n";
		2360
		2361	warn "begin emergency database checkpoint\n";
		2362	BDB::db_env_txn_checkpoint $DB_ENV;
		2363	warn "end emergency database checkpoint\n";
		2364	};
		2365
		2366	warn "leave emergency perl save\n";
		2367	}
		2368
		2369	sub post_cleanup {
		2370	my ($make_core) = @_;
		2371
		2372	warn Carp::longmess "post_cleanup backtrace"
		2373	if $make_core;
		2374	}
2026		2375
2027	sub reload() {	2376	sub reload() {
2028	# can/must only be called in main	2377	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2378	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2379	warn "can only reload from main coroutine";
2031	return;	2380	return;
2032	}	2381	}
2033		2382
2034	warn "reloading...";	2383	warn "reloading...";
2035		2384
2036	my $guard = freeze_mainloop;	2385	warn "entering sync_job";
		2386
		2387	cf::sync_job {
		2388	cf::write_runtime; # external watchdog should not bark
2037	cf::emergency_save;	2389	cf::emergency_save;
		2390	cf::write_runtime; # external watchdog should not bark
2038		2391
2039	eval {	2392	warn "syncing database to disk";
		2393	BDB::db_env_txn_checkpoint $DB_ENV;
		2394
2040	# if anything goes wrong in here, we should simply crash as we already saved	2395	# if anything goes wrong in here, we should simply crash as we already saved
2041		2396
2042	# cancel all watchers	2397	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2398	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2400	}
2046		2401
		2402	warn "flushing outstanding aio requests";
		2403	for (;;) {
		2404	BDB::flush;
		2405	IO::AIO::flush;
		2406	Coro::cede;
		2407	last unless IO::AIO::nreqs || BDB::nreqs;
		2408	warn "iterate...";
		2409	}
		2410
2047	# cancel all extension coros	2411	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2412	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2413	%EXT_CORO = ();
2050		2414
2051	# unload all extensions	2415	warn "removing commands";
2052	for (@exts) {	2416	%COMMAND = ();
		2417
		2418	warn "removing ext commands";
		2419	%EXTCMD = ();
		2420
		2421	warn "unloading/nuking all extensions";
		2422	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2423	warn "... unloading $pkg";
2054	unload_extension $_;	2424
		2425	if (my $cb = $pkg->can ("unload")) {
		2426	eval {
		2427	$cb->($pkg);
		2428	1
		2429	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2430	}
2056		2431
		2432	warn "... nuking $pkg";
		2433	Symbol::delete_package $pkg;
		2434	}
		2435
2057	# unload all modules loaded from $LIBDIR	2436	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2437	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2439
2061	warn "removing <$k>";	2440	warn "... unloading $k";
2062	delete $INC{$k};	2441	delete $INC{$k};
2063		2442
2064	$k =~ s/\.pm$//;	2443	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2444	$k =~ s/\//::/g;
2066		2445
…		…
2069	}	2448	}
2070		2449
2071	Symbol::delete_package $k;	2450	Symbol::delete_package $k;
2072	}	2451	}
2073		2452
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2453	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2454	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2456
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2457	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2458	delete $INC{"cf.pm"};
2087		2459
2088	# don't, removes xs symbols, too,	2460	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2461	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2462	#Symbol::delete_package __PACKAGE__;
2091		2463
2092	# reload cf.pm	2464	warn "unload completed, starting to reload now";
		2465
2093	warn "reloading cf.pm";	2466	warn "reloading cf.pm";
2094	require cf;	2467	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2469
2097	# load config and database again	2470	warn "loading config and database again";
2098	cf::cfg_load;	2471	cf::cfg_load;
2099	cf::db_load;
2100		2472
2101	# load extensions
2102	warn "load extensions";	2473	warn "loading extensions";
2103	cf::load_extensions;	2474	cf::load_extensions;
2104		2475
2105	# reattach attachments to objects	2476	warn "reattaching attachments to objects/players";
2106	warn "reattach";
2107	_global_reattach;	2477	_global_reattach;
2108	};	2478	warn "reattaching attachments to maps";
		2479	reattach $_ for values %MAP;
2109		2480
2110	if ($@) {	2481	warn "loading reloadable resources";
		2482	init_resources;
		2483
		2484	warn "leaving sync_job";
		2485
		2486	1
		2487	} or do {
2111	warn $@;	2488	warn $@;
2112	warn "error while reloading, exiting.";	2489	warn "error while reloading, exiting.";
2113	exit 1;	2490	exit 1;
2114	}	2491	};
2115		2492
2116	warn "reloaded successfully";	2493	warn "reloaded";
2117	};	2494	};
2118		2495
2119	#############################################################################	2496	our $RELOAD_WATCHER; # used only during reload
2120
2121	unless ($LINK_MAP) {
2122	$LINK_MAP = cf::map::new;
2123
2124	$LINK_MAP->width (41);
2125	$LINK_MAP->height (41);
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 10,
2134	cb => sub {
2135	$_[0]->w->cancel;
2136
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});
2155
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2497
2164	register_command "reload" => sub {	2498	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2499	my ($who, $arg) = @_;
2166		2500
2167	if ($who->flag (FLAG_WIZ)) {	2501	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");	2502	$who->message ("reloading server.");
		2503
		2504	# doing reload synchronously and two reloads happen back-to-back,
		2505	# coro crashes during coro_state_free->destroy here.
		2506
		2507	$RELOAD_WATCHER ||= Event->timer (
		2508	reentrant => 0,
		2509	after => 0,
		2510	data => WF_AUTOCANCEL,
		2511	cb => sub {
2169	reload;	2512	reload;
2170	$who->message ("end of reload.");	2513	undef $RELOAD_WATCHER;
		2514	},
		2515	);
2171	}	2516	}
2172	};	2517	};
2173		2518
2174	unshift @INC, $LIBDIR;	2519	unshift @INC, $LIBDIR;
		2520
		2521	my $bug_warning = 0;
2175		2522
2176	$TICK_WATCHER = Event->timer (	2523	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2524	reentrant => 0,
		2525	parked => 1,
2178	prio => 0,	2526	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2527	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2528	data => WF_AUTOCANCEL,
2181	cb => sub {	2529	cb => sub {
		2530	if ($Coro::current != $Coro::main) {
		2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2532	unless ++$bug_warning > 10;
		2533	return;
		2534	}
		2535
		2536	$NOW = Event::time;
		2537
2182	cf::server_tick; # one server iteration	2538	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2539	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	2540	$NEXT_TICK += $TICK;
		2541
		2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2543	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2544	Coro::async_pool {
		2545	write_runtime
		2546	or warn "ERROR: unable to write runtime file: $!";
		2547	};
		2548	}
		2549
		2550	$WAIT_FOR_TICK->broadcast;
		2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2552
		2553	# my $AFTER = Event::time;
		2554	# warn $AFTER - $NOW;#d#
2185		2555
2186	# if we are delayed by four ticks or more, skip them all	2556	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2558
2189	$TICK_WATCHER->at ($NEXT_TICK);	2559	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	2560	$TICK_WATCHER->start;
2191	},	2561	},
2192	);	2562	);
2193		2563
		2564	{
2194	IO::AIO::max_poll_time $TICK * 0.2;	2565	BDB::max_poll_time $TICK * 0.1;
2195		2566	$BDB_POLL_WATCHER = Event->io (
2196	Event->io (	2567	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	2568	fd => BDB::poll_fileno,
2198	poll => 'r',	2569	poll => 'r',
2199	prio => 5,	2570	prio => 0,
2200	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,
2202	);
2203
2204	Event->timer (
2205	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2206	after => 0,	2572	cb => \&BDB::poll_cb,
2207	interval => 10,	2573	);
2208	cb => sub {	2574	BDB::min_parallel 8;
2209	(Coro::unblock_sub {	2575
2210	write_runtime	2576	BDB::set_sync_prepare {
2211	or warn "ERROR: unable to write runtime file: $!";	2577	my $status;
		2578	my $current = $Coro::current;
		2579	(
		2580	sub {
		2581	$status = $!;
		2582	$current->ready; undef $current;
		2583	},
		2584	sub {
		2585	Coro::schedule while defined $current;
		2586	$! = $status;
		2587	},
		2588	)
		2589	};
		2590
		2591	unless ($DB_ENV) {
		2592	$DB_ENV = BDB::db_env_create;
		2593
		2594	cf::sync_job {
		2595	eval {
		2596	BDB::db_env_open
		2597	$DB_ENV,
		2598	$BDB_ENV_DIR,
		2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2601	0666;
		2602
		2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2604
		2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2606	$DB_ENV->set_lk_detect;
		2607	};
		2608
		2609	cf::cleanup "db_env_open(db): $@" if $@;
2212	})->();	2610	};
2213	},	2611	}
2214	);	2612	}
		2613
		2614	{
		2615	IO::AIO::min_parallel 8;
		2616
		2617	undef $Coro::AIO::WATCHER;
		2618	IO::AIO::max_poll_time $TICK * 0.1;
		2619	$AIO_POLL_WATCHER = Event->io (
		2620	reentrant => 0,
		2621	data => WF_AUTOCANCEL,
		2622	fd => IO::AIO::poll_fileno,
		2623	poll => 'r',
		2624	prio => 6,
		2625	cb => \&IO::AIO::poll_cb,
		2626	);
		2627	}
2215		2628
2216	END { cf::emergency_save }	2629	END { cf::emergency_save }
2217		2630
2218	1	2631	1
2219		2632

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines