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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.142 by root, Fri Jan 5 21:51:42 2007 UTC vs.
Revision 1.213 by root, Tue Feb 13 20:01:04 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 $WRITE_RUNTIME_WATCHER;
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	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
231	$guard	282	$guard
232	}	283	}
233		284
234	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
…		…
286	}	337	}
287	}	338	}
288		339
289	=item $coro = cf::async_ext { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
290		341
291	Like async, but this coro is automcatially being canceled when the	342	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	343	extension calling this is being unloaded.
293		344
294	=cut	345	=cut
295		346
296	sub async_ext(&) {	347	sub async_ext(&) {
…		…
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";
…		…
844	}	787	}
845	} else {	788	} else {
846	aio_unlink $filename;	789	aio_unlink $filename;
847	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
848	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
849	}	798	}
850	}	799	}
851		800
852	sub object_freezer_as_string {	801	sub object_freezer_as_string {
853	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
859		808
860	sub object_thawer_load {	809	sub object_thawer_load {
861	my ($filename) = @_;	810	my ($filename) = @_;
862		811
863	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
864		816
865	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
866	or return;	818	or return;
867		819
868	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
905	=cut	857	=cut
906		858
907	sub register_extcmd {	859	sub register_extcmd {
908	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
909		861
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
914	}	863	}
915		864
916	cf::player->attach (	865	cf::player->attach (
917	on_command => sub {	866	on_command => sub {
918	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
931		880
932	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
933		882
934	if (ref $msg) {	883	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	887	}
939	}	888	}
940	} else {	889	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		892
944	cf::override;	893	cf::override;
945	},	894	},
946	);	895	);
947		896
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	897	sub load_extension {
955	my ($path) = @_;	898	my ($path) = @_;
956		899
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
958	my $base = $1;	901	my $base = $1;
959	my $pkg = $1;	902	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
962		905
963	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
964		907
965	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
966	or die "$path: $!";	909	or die "$path: $!";
967		910
968	my $source =	911	my $source =
969	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
972	. "\n};\n1";	915	. "\n};\n1";
973		916
974	eval $source	917	unless (eval $source) {
975	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
976	: "extension disabled.\n";	919	: "extension disabled.\n";
977		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978	push @exts, $pkg;	921	warn $@;
979	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
980		923	exit 1;
981	# no strict 'refs';	924	}
982	# @{"$pkg\::ISA"} = ext::;	925	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	# }	926	}
997		927
998	# remove commands	928	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	}	929	}
1023		930
1024	sub load_extensions {	931	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	933	next unless -r $ext;
…		…
1030	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1031	}	938	}
1032	}	939	}
1033		940
1034	#############################################################################	941	#############################################################################
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		942
1072	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1073		944
1074	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1075		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1076	=head3 cf::player	953	=head3 cf::player
1077		954
1078	=over 4	955	=over 4
1079		956
1080	=item cf::player::exists $login	957	=item cf::player::find $login
1081		958
1082	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1083		960
1084	=cut	961	=cut
1085		962
1086	sub cf::player::exists($) {	963	sub playerdir($) {
1087	cf::player::find $_[0]	964	cf::localdir
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	965	. "/"
		966	. cf::playerdir
		967	. "/"
		968	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		969	}
		970
		971	sub path($) {
		972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		973
		974	(playerdir $login) . "/$login.pl"
		975	}
		976
		977	sub find_active($) {
		978	$cf::PLAYER{$_[0]}
		979	and $cf::PLAYER{$_[0]}->active
		980	and $cf::PLAYER{$_[0]}
		981	}
		982
		983	sub exists($) {
		984	my ($login) = @_;
		985
		986	$cf::PLAYER{$login}
		987	or cf::sync_job { !aio_stat path $login }
		988	}
		989
		990	sub find($) {
		991	return $cf::PLAYER{$_[0]} || do {
		992	my $login = $_[0];
		993
		994	my $guard = cf::lock_acquire "user_find:$login";
		995
		996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
		1001	}
		1002	}
		1003
		1004	sub save($) {
		1005	my ($pl) = @_;
		1006
		1007	return if $pl->{deny_save};
		1008
		1009	my $path = path $pl;
		1010	my $guard = cf::lock_acquire "user_save:$path";
		1011
		1012	return if $pl->{deny_save};
		1013
		1014	aio_mkdir playerdir $pl, 0770;
		1015	$pl->{last_save} = $cf::RUNTIME;
		1016
		1017	$pl->save_pl ($path);
		1018	Coro::cede;
		1019	}
		1020
		1021	sub new($) {
		1022	my ($login) = @_;
		1023
		1024	my $self = create;
		1025
		1026	$self->ob->name ($login);
		1027	$self->{deny_save} = 1;
		1028
		1029	$cf::PLAYER{$login} = $self;
		1030
		1031	$self
		1032	}
		1033
		1034	=item $pl->quit_character
		1035
		1036	Nukes the player without looking back. If logged in, the connection will
		1037	be destroyed. May block for a long time.
		1038
		1039	=cut
		1040
		1041	sub quit_character {
		1042	my ($pl) = @_;
		1043
		1044	$pl->{deny_save} = 1;
		1045	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1046
		1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1048	$pl->deactivate;
		1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1050	$pl->ns->destroy if $pl->ns;
		1051
		1052	my $path = playerdir $pl;
		1053	my $temp = "$path~$cf::RUNTIME~deleting~";
		1054	aio_rename $path, $temp;
		1055	delete $cf::PLAYER{$pl->ob->name};
		1056	$pl->destroy;
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item cf::player::list_logins
		1061
		1062	Returns am arrayref of all valid playernames in the system, can take a
		1063	while and may block, so not sync_job-capable, ever.
		1064
		1065	=cut
		1066
		1067	sub list_logins {
		1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1069	or return [];
		1070
		1071	my @logins;
		1072
		1073	for my $login (@$dirs) {
		1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1075	aio_read $fh, 0, 512, my $buf, 0 or next;
		1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1077
		1078	utf8::decode $login;
		1079	push @logins, $login;
		1080	}
		1081
		1082	\@logins
		1083	}
		1084
		1085	=item $player->maps
		1086
		1087	Returns an arrayref of map paths that are private for this
		1088	player. May block.
		1089
		1090	=cut
		1091
		1092	sub maps($) {
		1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
		1096
		1097	my $files = aio_readdir playerdir $pl
		1098	or return;
		1099
		1100	my @paths;
		1101
		1102	for (@$files) {
		1103	utf8::decode $_;
		1104	next if /\.(?:pl|pst)$/;
		1105	next unless /^$PATH_SEP/o;
		1106
		1107	push @paths, cf::map::normalise "~$pl/$_";
		1108	}
		1109
		1110	\@paths
1089	}	1111	}
1090		1112
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092		1114
1093	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1094		1116
1095	=cut	1117	=cut
1096		1118
1097	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1099		1121
1100	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1101		1123
1102	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1103	}	1125	}
		1126
		1127	package cf;
1104		1128
1105	=back	1129	=back
1106		1130
1107		1131
1108	=head3 cf::map	1132	=head3 cf::map
…		…
1114	package cf::map;	1138	package cf::map;
1115		1139
1116	use Fcntl;	1140	use Fcntl;
1117	use Coro::AIO;	1141	use Coro::AIO;
1118		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1119	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1121		1149
1122	sub generate_random_map {	1150	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1153	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1139	}	1295	}
1140		1296
1141	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1142	# all maps in C++...	1298	# all maps in C++...
1143	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1145		1301
1146	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1148	}	1304	}
1149		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1150	sub try_load_header($) {	1319	sub load_header_from($) {
1151	my ($path) = @_;	1320	my ($self, $path) = @_;
1152		1321
1153	utf8::encode $path;	1322	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1155	or return;	1327	or return;
1156		1328
1157	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1158	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1159		1375
1160	# for better error messages only, will be overwritten	1376	1
1161	$map->path ($path);
1162
1163	$map->load_header ($path)
1164	or return;
1165
1166	$map->{load_path} = $path;
1167
1168	$map
1169	}	1377	}
1170		1378
1171	sub find;	1379	sub find;
1172	sub find {	1380	sub find {
1173	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1174		1382
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1384
1180	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1181		1386
1182	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1184		1389	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;	1390	or return;
1204		1391
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;	1392	$map->{last_save} = $cf::RUNTIME;
1217		1393
1218	Coro::cede;	1394	$map->load_header
		1395	or return;
1219		1396
1220	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1221	$map->reset;	1400	$map->reset;
1222	undef $guard;	1401	undef $guard;
1223	$map = find $path	1402	return find $path;
1224	or return;
1225	}	1403	}
1226		1404
1227	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1228	}	1406	}
1229	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1230		1411
1231	sub load {	1412	sub load {
1232	my ($self) = @_;	1413	my ($self) = @_;
1233		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1234	my $path = $self->{path};	1417	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1236		1419
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1421
1239	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1240		1423
1241	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1242	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1429	or return;
1244		1430
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1432	if delete $self->{load_original};
1247		1433
1248	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1435	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1437	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1253	}	1439	}
1254	}	1440	}
1255		1441
1256	Coro::cede;	1442	Coro::cede;
1257		1443
1258	# now do the right thing for maps	1444	# now do the right thing for maps
1259	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1260		1446
1261	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1448	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1268	$self->set_darkness_map;	1452	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1271	$self->activate;	1456	$self->activate;
1272	}	1457	}
1273		1458
1274	Coro::cede;	1459	$self->post_load;
1275		1460
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1277	}	1495	}
1278		1496
1279	sub find_sync {	1497	sub find_sync {
1280	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1281		1499
1282	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1283	}	1501	}
1284		1502
1285	sub do_load_sync {	1503	sub do_load_sync {
1286	my ($map) = @_;	1504	my ($map) = @_;
1287		1505
1288	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1289	}	1507	}
1290		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1291	sub save {	1539	sub save {
1292	my ($self) = @_;	1540	my ($self) = @_;
1293		1541
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1543
1296	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1297		1545
1298	return unless $self->dirty;	1546	return unless $self->dirty;
1299		1547
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1550
1303	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1304		1552
1305	return if $self->{deny_save};	1553	return if $self->{deny_save};
1306		1554
1307	local $self->{last_access} = $self->last_access;#d#	1555	local $self->{last_access} = $self->last_access;#d#
1308		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1309	if ($uniq) {	1561	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1564	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1566	}
1315	}	1567	}
1316		1568
1317	sub swap_out {	1569	sub swap_out {
1318	my ($self) = @_;	1570	my ($self) = @_;
…		…
1332		1584
1333	sub reset_at {	1585	sub reset_at {
1334	my ($self) = @_;	1586	my ($self) = @_;
1335		1587
1336	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1339		1591
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1594
…		…
1347	my ($self) = @_;	1599	my ($self) = @_;
1348		1600
1349	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1350	}	1602	}
1351		1603
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 {	1604	sub reset {
1374	my ($self) = @_;	1605	my ($self) = @_;
1375		1606
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1608
1378	return if $self->players;	1609	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1380		1611
1381	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1382		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1383	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1384		1627
1385	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1386		1629
1387	$self->unlink_save;	1630	$self->unlink_save;
1388	$self->destroy;	1631	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1392		1635
1393	sub nuke {	1636	sub nuke {
1394	my ($self) = @_;	1637	my ($self) = @_;
1395		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1399	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1400	}	1652	}
1401		1653
1402	sub customise_for {	1654	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1655
1405	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1407	}
1408		1658
1409	$map	1659	=cut
1410	}
1411		1660
1412	sub emergency_save {	1661	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1414		1664
1415	warn "enter emergency map save\n";	1665	my @paths;
1416		1666
1417	cf::sync_job {	1667	for (@$files) {
1418	warn "begin emergency map save\n";	1668	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1420	};	1673	}
1421		1674
1422	warn "end emergency map save\n";	1675	\@paths
1423	}	1676	}
1424		1677
1425	package cf;	1678	package cf;
1426		1679
1427	=back	1680	=back
1428		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1429		1708
1430	=head3 cf::object::player	1709	=head3 cf::object::player
1431		1710
1432	=over 4	1711	=over 4
1433		1712
…		…
1473		1752
1474	=item $player_object->enter_link	1753	=item $player_object->enter_link
1475		1754
1476	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1477		1756
1478	The player should be reaosnably safe there for short amounts of time. You	1757	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.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1480		1759
		1760	Will never block.
		1761
1481	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1482		1763
1483	Moves the player out of the specila link map onto the given map. If the	1764	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	1765	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,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1767	fails, to the emergency map position.
1487		1768
1488	Might block.	1769	Might block.
1489		1770
1490	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1491		1782
1492	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1784	my ($self) = @_;
1494		1785
1495	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1496		1787
1497	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1789
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1791	if $self->map;
1501		1792
1502	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	1794	}
1504		1795
1505	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1507		1798
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1528		1819
1529	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1530		1822
		1823	return unless $self->contr->active;
1531	$self->activate_recursive;	1824	$self->activate_recursive;
1532	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1533	}	1826	}
1534		1827
1535	cf::player->attach (	1828	cf::player->attach (
…		…
1547	my ($pl) = @_;	1840	my ($pl) = @_;
1548		1841
1549	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1843	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1554	(async {	1846	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1847	# 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	1848	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
…		…
1573	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1574		1866
1575	$self->enter_link;	1867	$self->enter_link;
1576		1868
1577	(async {	1869	(async {
1578	$path = new cf::path $path;	1870	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1582		1873	$map
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1584	# if $map;
1585
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1587		1876
1588	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1878	})->prio (1);
1590	}	1879	}
1591		1880
…		…
1595		1884
1596	sub parse_random_map_params {	1885	sub parse_random_map_params {
1597	my ($spec) = @_;	1886	my ($spec) = @_;
1598		1887
1599	my $rmp = { # defaults	1888	my $rmp = { # defaults
1600	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1602	};	1893	};
1603		1894
1604	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1606		1897
…		…
1610	$rmp	1901	$rmp
1611	}	1902	}
1612		1903
1613	sub prepare_random_map {	1904	sub prepare_random_map {
1614	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1908
1616	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1911	# that depends on the exit object
1619		1912
1620	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1621		1914
1622	if ($exit->map) {	1915	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1627	}	1920	}
1628		1921
1629	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1630		1923
1631	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1927
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1636		1932
1637	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1934	$exit->msg (undef);
1639	}	1935	}
1640	}	1936	}
1641		1937
1642	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1644		1940
1645	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
1646		1951
1647	$self->enter_link;	1952	$self->enter_link;
1648		1953
1649	(async {	1954	(async {
1650	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1956	unless (eval {
1652	prepare_random_map $exit	1957	$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		1958
1658	1;	1959	1;
1659	}) {	1960	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1965
1665	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1967	$self->leave_link;
1667	}	1968	}
…		…
1722	# get handled first	2023	# get handled first
1723	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2026
1726	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2029
1728	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1729		2031
1730	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2033	if (@$queue) {
…		…
1892	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1893	using it, it should be unique.	2195	using it, it should be unique.
1894		2196
1895	=over 4	2197	=over 4
1896		2198
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	2199	=item $value = cf::db_get $family => $key
1904		2200
1905	Returns a single value from the database	2201	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		2202
1912	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1913		2204
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	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		2206
1925	=cut	2207	=cut
1926		2208
1927	our $DB;	2209	our $DB;
1928		2210
1929	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
1930	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
1931		2230
1932	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2235
1936	my $pid;	2236	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	}	2237	};
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	},	2238	}
1984	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1985	}	2256	}
1986		2257
1987	#############################################################################	2258	#############################################################################
1988	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
1989		2265
1990	sub cfg_load {	2266	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2268	or return;
1993		2269
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2275	$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};	2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2277
2002	if (exists $CFG{mlockall}) {	2278	if (exists $CFG{mlockall}) {
2003	eval {	2279	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2281	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2282	};
2007	warn $@ if $@;	2283	warn $@ if $@;
2008	}	2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
2009	}	2289	}
2010		2290
2011	sub main {	2291	sub main {
2012	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2295	(async {
2015	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2016	};	2298	};
2017		2299
2018	cfg_load;	2300	cfg_load;
2019	db_load;	2301	db_init;
2020	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
		2305	$WRITE_RUNTIME_WATCHER->start;
2021	Event::loop;	2306	Event::loop;
2022	}	2307	}
2023		2308
2024	#############################################################################	2309	#############################################################################
2025	# initialisation	2310	# initialisation and cleanup
		2311
		2312	# install some emergency cleanup handlers
		2313	BEGIN {
		2314	for my $signal (qw(INT HUP TERM)) {
		2315	Event->signal (
		2316	reentrant => 0,
		2317	data => WF_AUTOCANCEL,
		2318	signal => $signal,
		2319	prio => 0,
		2320	cb => sub {
		2321	cf::cleanup "SIG$signal";
		2322	},
		2323	);
		2324	}
		2325	}
		2326
		2327	sub emergency_save() {
		2328	my $freeze_guard = cf::freeze_mainloop;
		2329
		2330	warn "enter emergency perl save\n";
		2331
		2332	cf::sync_job {
		2333	# use a peculiar iteration method to avoid tripping on perl
		2334	# refcount bugs in for. also avoids problems with players
		2335	# and maps saved/destroyed asynchronously.
		2336	warn "begin emergency player save\n";
		2337	for my $login (keys %cf::PLAYER) {
		2338	my $pl = $cf::PLAYER{$login} or next;
		2339	$pl->valid or next;
		2340	$pl->save;
		2341	}
		2342	warn "end emergency player save\n";
		2343
		2344	warn "begin emergency map save\n";
		2345	for my $path (keys %cf::MAP) {
		2346	my $map = $cf::MAP{$path} or next;
		2347	$map->valid or next;
		2348	$map->save;
		2349	}
		2350	warn "end emergency map save\n";
		2351
		2352	warn "begin emergency database checkpoint\n";
		2353	BDB::db_env_txn_checkpoint $DB_ENV;
		2354	warn "end emergency database checkpoint\n";
		2355	};
		2356
		2357	warn "leave emergency perl save\n";
		2358	}
		2359
		2360	sub post_cleanup {
		2361	my ($make_core) = @_;
		2362
		2363	warn Carp::longmess "post_cleanup backtrace"
		2364	if $make_core;
		2365	}
2026		2366
2027	sub reload() {	2367	sub reload() {
2028	# can/must only be called in main	2368	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2369	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2370	warn "can only reload from main coroutine";
2031	return;	2371	return;
2032	}	2372	}
2033		2373
2034	warn "reloading...";	2374	warn "reloading...";
2035		2375
2036	my $guard = freeze_mainloop;	2376	warn "entering sync_job";
		2377
		2378	cf::sync_job {
		2379	cf::write_runtime;
2037	cf::emergency_save;	2380	cf::emergency_save;
		2381	cf::write_runtime;
2038		2382
2039	eval {	2383	warn "syncing database to disk";
		2384	BDB::db_env_txn_checkpoint $DB_ENV;
		2385
2040	# if anything goes wrong in here, we should simply crash as we already saved	2386	# if anything goes wrong in here, we should simply crash as we already saved
2041		2387
2042	# cancel all watchers	2388	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2389	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2390	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2391	}
2046		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
2047	# cancel all extension coros	2402	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2404	%EXT_CORO = ();
2050		2405
2051	# unload all extensions	2406	warn "removing commands";
2052	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2054	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2421	}
2056		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2057	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2430
2061	warn "removing <$k>";	2431	warn "... unloading $k";
2062	delete $INC{$k};	2432	delete $INC{$k};
2063		2433
2064	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2066		2436
…		…
2069	}	2439	}
2070		2440
2071	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2072	}	2442	}
2073		2443
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2447
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2087		2450
2088	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2452	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2091		2454
2092	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2093	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2094	require cf;	2458	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2460
2097	# load config and database again	2461	warn "loading config and database again";
2098	cf::cfg_load;	2462	cf::cfg_load;
2099	cf::db_load;
2100		2463
2101	# load extensions
2102	warn "load extensions";	2464	warn "loading extensions";
2103	cf::load_extensions;	2465	cf::load_extensions;
2104		2466
2105	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2106	warn "reattach";
2107	_global_reattach;	2468	_global_reattach;
2108	};	2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
2109		2471
2110	if ($@) {	2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "leaving sync_job";
		2476
		2477	1
		2478	} or do {
2111	warn $@;	2479	warn $@;
2112	warn "error while reloading, exiting.";	2480	warn "error while reloading, exiting.";
2113	exit 1;	2481	exit 1;
2114	}	2482	};
2115		2483
2116	warn "reloaded successfully";	2484	warn "reloaded";
2117	};	2485	};
2118		2486
2119	#############################################################################	2487	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} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2488
2164	register_command "reload" => sub {	2489	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2490	my ($who, $arg) = @_;
2166		2491
2167	if ($who->flag (FLAG_WIZ)) {	2492	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");	2493	$who->message ("reloading server.");
		2494
		2495	# doing reload synchronously and two reloads happen back-to-back,
		2496	# coro crashes during coro_state_free->destroy here.
		2497
		2498	$RELOAD_WATCHER ||= Event->timer (
		2499	reentrant => 0,
		2500	after => 0,
		2501	data => WF_AUTOCANCEL,
		2502	cb => sub {
2169	reload;	2503	reload;
2170	$who->message ("end of reload.");	2504	undef $RELOAD_WATCHER;
		2505	},
		2506	);
2171	}	2507	}
2172	};	2508	};
2173		2509
2174	unshift @INC, $LIBDIR;	2510	unshift @INC, $LIBDIR;
		2511
		2512	my $bug_warning = 0;
2175		2513
2176	$TICK_WATCHER = Event->timer (	2514	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2515	reentrant => 0,
		2516	parked => 1,
2178	prio => 0,	2517	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2518	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2519	data => WF_AUTOCANCEL,
2181	cb => sub {	2520	cb => sub {
		2521	if ($Coro::current != $Coro::main) {
		2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2523	unless ++$bug_warning > 10;
		2524	return;
		2525	}
		2526
		2527	$NOW = Event::time;
		2528
2182	cf::server_tick; # one server iteration	2529	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2530	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	2531	$NEXT_TICK += $TICK;
		2532
		2533	$WAIT_FOR_TICK->broadcast;
		2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2535
		2536	# my $AFTER = Event::time;
		2537	# warn $AFTER - $NOW;#d#
2185		2538
2186	# if we are delayed by four ticks or more, skip them all	2539	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2541
2189	$TICK_WATCHER->at ($NEXT_TICK);	2542	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	2543	$TICK_WATCHER->start;
2191	},	2544	},
2192	);	2545	);
2193		2546
		2547	{
		2548	BDB::max_poll_time $TICK * 0.1;
		2549	$BDB_POLL_WATCHER = Event->io (
		2550	reentrant => 0,
		2551	fd => BDB::poll_fileno,
		2552	poll => 'r',
		2553	prio => 0,
		2554	data => WF_AUTOCANCEL,
		2555	cb => \&BDB::poll_cb,
		2556	);
		2557	BDB::min_parallel 8;
		2558
		2559	BDB::set_sync_prepare {
		2560	my $status;
		2561	my $current = $Coro::current;
		2562	(
		2563	sub {
		2564	$status = $!;
		2565	$current->ready; undef $current;
		2566	},
		2567	sub {
		2568	Coro::schedule while defined $current;
		2569	$! = $status;
		2570	},
		2571	)
		2572	};
		2573
		2574	unless ($DB_ENV) {
		2575	$DB_ENV = BDB::db_env_create;
		2576
		2577	cf::sync_job {
		2578	eval {
		2579	BDB::db_env_open
		2580	$DB_ENV,
		2581	$BDB_ENV_DIR,
		2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2584	0666;
		2585
		2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2587
		2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2589	$DB_ENV->set_lk_detect;
		2590	};
		2591
		2592	cf::cleanup "db_env_open(db): $@" if $@;
		2593	};
		2594	}
		2595	}
		2596
		2597	{
		2598	IO::AIO::min_parallel 8;
		2599
		2600	undef $Coro::AIO::WATCHER;
2194	IO::AIO::max_poll_time $TICK * 0.2;	2601	IO::AIO::max_poll_time $TICK * 0.1;
2195		2602	$AIO_POLL_WATCHER = Event->io (
2196	Event->io (	2603	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	2604	fd => IO::AIO::poll_fileno,
2198	poll => 'r',	2605	poll => 'r',
2199	prio => 5,	2606	prio => 6,
2200	data => WF_AUTOCANCEL,	2607	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,	2608	cb => \&IO::AIO::poll_cb,
2202	);	2609	);
		2610	}
2203		2611
2204	Event->timer (	2612	$WRITE_RUNTIME_WATCHER = Event->timer (
		2613	reentrant => 0,
2205	data => WF_AUTOCANCEL,	2614	data => WF_AUTOCANCEL,
		2615	parked => 1,
2206	after => 0,	2616	after => 1,
2207	interval => 10,	2617	interval => 10,
		2618	prio => 6, # keep it lowest so it acts like a watchdog
2208	cb => sub {	2619	cb => sub {
2209	(Coro::unblock_sub {	2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		2621
		2622	Coro::async_pool {
2210	write_runtime	2623	write_runtime
2211	or warn "ERROR: unable to write runtime file: $!";	2624	or warn "ERROR: unable to write runtime file: $!";
2212	})->();	2625	};
2213	},	2626	},
2214	);	2627	);
2215		2628
2216	END { cf::emergency_save }	2629	END { cf::emergency_save }
2217		2630

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