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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.148 by root, Mon Jan 8 12:39:16 2007 UTC vs.
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.32 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		39
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
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
52	our %PLAYER; # all users	67	our %PLAYER; # all users
53	our %MAP; # all maps	68	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	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
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=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	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
225	}	271	}
226		272
227	sub freeze_mainloop {	273	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
229		275
230	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;
231	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
232	$guard	282	$guard
233	}	283	}
234		284
235	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
…		…
287	}	337	}
288	}	338	}
289		339
290	=item $coro = cf::async_ext { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
291		341
292	Like async, but this coro is automcatially being canceled when the	342	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	343	extension calling this is being unloaded.
294		344
295	=cut	345	=cut
296		346
297	sub async_ext(&) {	347	sub async_ext(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
312		362
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	364	or return;
315		365
		366	my $value = $cf::RUNTIME + 90 + 10;
316	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
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	371	and return;
319		372
		373	# always fsync - this file is important
320	aio_fsync $fh	374	aio_fsync $fh
321	and return;	375	and return;
322		376
323	close $fh	377	close $fh
324	or return;	378	or return;
…		…
330	}	384	}
331		385
332	=back	386	=back
333		387
334	=cut	388	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		389
456	#############################################################################	390	#############################################################################
457		391
458	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
459		393
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	520	our @CB_MAP = ();
587		521
588	my %attachment;	522	my %attachment;
589		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
590	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
592		532
593	use sort 'stable';	533	use sort 'stable';
594		534
…		…
765	# object support	705	# object support
766		706
767	sub reattach {	707	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		712
771	my $registry = $obj->registry;	713	my $registry = $obj->registry;
772		714
773	@$registry = ();	715	@$registry = ();
774		716
…		…
821	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
822		764
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	769	close $fh;
828		770
829	if (@$objs) {	771	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	777	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
837	}	779	}
838	} else {	780	} else {
839	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
845	}	787	}
846	} else {	788	} else {
847	aio_unlink $filename;	789	aio_unlink $filename;
848	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
849	}	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	}
850	}	798	}
851	}	799	}
852		800
853	sub object_freezer_as_string {	801	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
860		808
861	sub object_thawer_load {	809	sub object_thawer_load {
862	my ($filename) = @_;	810	my ($filename) = @_;
863		811
864	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$//;
865		816
866	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
867	or return;	818	or return;
868		819
869	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
906	=cut	857	=cut
907		858
908	sub register_extcmd {	859	sub register_extcmd {
909	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
910		861
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
915	}	863	}
916		864
917	cf::player->attach (	865	cf::player->attach (
918	on_command => sub {	866	on_command => sub {
919	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
932		880
933	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
934		882
935	if (ref $msg) {	883	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	887	}
940	}	888	}
941	} else {	889	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		892
945	cf::override;	893	cf::override;
946	},	894	},
947	);	895	);
948		896
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	897	sub load_extension {
956	my ($path) = @_;	898	my ($path) = @_;
957		899
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	901	my $base = $1;
960	my $pkg = $1;	902	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
963		905
964	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
965		907
966	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
967	or die "$path: $!";	909	or die "$path: $!";
968		910
969	my $source =	911	my $source =
970	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
973	. "\n};\n1";	915	. "\n};\n1";
974		916
975	eval $source	917	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	919	: "extension disabled.\n";
978		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	921	warn $@;
980	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
981		923	exit 1;
982	# no strict 'refs';	924	}
983	# @{"$pkg\::ISA"} = ext::;	925	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	926	}
998		927
999	# remove commands	928	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	929	}
1024		930
1025	sub load_extensions {	931	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	933	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1032	}	938	}
1033	}	939	}
1034		940
1035	#############################################################################	941	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		942
1073	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1074		944
1075	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1076		946
1077	=cut	947	=cut
1078		948
1079	package cf::player;	949	package cf::player;
		950
		951	use Coro::AIO;
1080		952
1081	=head3 cf::player	953	=head3 cf::player
1082		954
1083	=over 4	955	=over 4
1084		956
…		…
1110		982
1111	sub exists($) {	983	sub exists($) {
1112	my ($login) = @_;	984	my ($login) = @_;
1113		985
1114	$cf::PLAYER{$login}	986	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	987	or cf::sync_job { !aio_stat path $login }
1116	}	988	}
1117		989
1118	sub find($) {	990	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	991	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	992	my $login = $_[0];
1121		993
1122	my $guard = cf::lock_acquire "user_find:$login";	994	my $guard = cf::lock_acquire "user_find:$login";
1123		995
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
1125	};	1001	}
1126	}	1002	}
1127		1003
1128	sub save($) {	1004	sub save($) {
1129	my ($pl) = @_;	1005	my ($pl) = @_;
1130		1006
…		…
1133	my $path = path $pl;	1009	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1010	my $guard = cf::lock_acquire "user_save:$path";
1135		1011
1136	return if $pl->{deny_save};	1012	return if $pl->{deny_save};
1137		1013
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1014	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1015	$pl->{last_save} = $cf::RUNTIME;
1140		1016
1141	$pl->save_pl ($path);	1017	$pl->save_pl ($path);
1142	Coro::cede;	1018	Coro::cede;
1143	}	1019	}
…		…
1152		1028
1153	$cf::PLAYER{$login} = $self;	1029	$cf::PLAYER{$login} = $self;
1154		1030
1155	$self	1031	$self
1156	}	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
1157		1040
1158	sub quit_character {	1041	sub quit_character {
1159	my ($pl) = @_;	1042	my ($pl) = @_;
1160		1043
1161	$pl->{deny_save} = 1;	1044	$pl->{deny_save} = 1;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1050	$pl->ns->destroy if $pl->ns;
1168		1051
1169	my $path = playerdir $pl;	1052	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1053	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1054	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1055	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1056	$pl->destroy;
1174
1175	IO::AIO::aio_rmtree $temp;	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;
1176	};	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
1177	}	1111	}
1178		1112
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1180		1114
1181	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
…		…
1204	package cf::map;	1138	package cf::map;
1205		1139
1206	use Fcntl;	1140	use Fcntl;
1207	use Coro::AIO;	1141	use Coro::AIO;
1208		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1209	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1211		1149
1212	sub generate_random_map {	1150	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1214
1215	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1153	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$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},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(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
1229	}	1295	}
1230		1296
1231	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1232	# all maps in C++...	1298	# all maps in C++...
1233	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1235		1301
1236	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1237	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1238	}	1304	}
1239		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
1240	sub try_load_header($) {	1319	sub load_header_from($) {
1241	my ($path) = @_;	1320	my ($self, $path) = @_;
1242		1321
1243	utf8::encode $path;	1322	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1245	or return;	1327	or return;
1246		1328
1247	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
1248	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1249		1375
1250	# for better error messages only, will be overwritten	1376	1
1251	$map->path ($path);
1252
1253	$map->load_header ($path)
1254	or return;
1255
1256	$map->{load_path} = $path;
1257
1258	$map
1259	}	1377	}
1260		1378
1261	sub find;	1379	sub find;
1262	sub find {	1380	sub find {
1263	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1264		1382
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1384
1270	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1271		1386
1272	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1274		1389	my $map = new_from_path cf::map $path
1275	# do it the slow way
1276	my $map = try_load_header $path->save_path;
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	1390	or return;
1294		1391
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1307		1393
1308	Coro::cede;	1394	$map->load_header
		1395	or return;
1309		1396
1310	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;
1311	$map->reset;	1400	$map->reset;
1312	undef $guard;	1401	undef $guard;
1313	$map = find $path	1402	return find $path;
1314	or return;
1315	}	1403	}
1316		1404
1317	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1318	}	1406	}
1319	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1320		1411
1321	sub load {	1412	sub load {
1322	my ($self) = @_;	1413	my ($self) = @_;
1323		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1324	my $path = $self->{path};	1417	my $path = $self->{path};
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1326		1419
1327	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1328		1421
1329	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1330		1423
1331	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1332	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1333	or return;	1429	or return;
1334		1430
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336	if delete $self->{load_original};	1432	if delete $self->{load_original};
1337		1433
1338	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	1435	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1341	$self->clear_unique_items;	1437	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1343	}	1439	}
1344	}	1440	}
1345		1441
1346	Coro::cede;	1442	Coro::cede;
1347		1443
1348	# now do the right thing for maps	1444	# now do the right thing for maps
1349	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1350		1446
1351	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1352	$self->{deny_save} = 1;	1448	$self->decay_objects;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1358	$self->set_darkness_map;	1452	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1361	$self->activate;	1456	$self->activate;
1362	}	1457	}
1363		1458
1364	Coro::cede;	1459	$self->post_load;
1365		1460
1366	$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	}
1367	}	1495	}
1368		1496
1369	sub find_sync {	1497	sub find_sync {
1370	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1371		1499
1372	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1373	}	1501	}
1374		1502
1375	sub do_load_sync {	1503	sub do_load_sync {
1376	my ($map) = @_;	1504	my ($map) = @_;
1377		1505
1378	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1379	}	1507	}
1380		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
1381	sub save {	1539	sub save {
1382	my ($self) = @_;	1540	my ($self) = @_;
1383		1541
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1385		1543
1386	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1387		1545
1388	return unless $self->dirty;	1546	return unless $self->dirty;
1389		1547
1390	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		1550
1393	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1394		1552
1395	return if $self->{deny_save};	1553	return if $self->{deny_save};
1396		1554
…		…
1399	cf::async {	1557	cf::async {
1400	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1401	};	1559	};
1402		1560
1403	if ($uniq) {	1561	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	1564	} else {
1407	$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);
1408	}	1566	}
1409	}	1567	}
1410		1568
1411	sub swap_out {	1569	sub swap_out {
1412	my ($self) = @_;	1570	my ($self) = @_;
…		…
1426		1584
1427	sub reset_at {	1585	sub reset_at {
1428	my ($self) = @_;	1586	my ($self) = @_;
1429		1587
1430	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1432	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1433		1591
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	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;
1436		1594
…		…
1441	my ($self) = @_;	1599	my ($self) = @_;
1442		1600
1443	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1444	}	1602	}
1445		1603
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	1604	sub reset {
1468	my ($self) = @_;	1605	my ($self) = @_;
1469		1606
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1608
1472	return if $self->players;	1609	return if $self->players;
1473	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1474		1611
1475	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1476		1613
1477	delete $cf::MAP{$self->path};	1614	delete $cf::MAP{$self->path};
		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617	$self->clear;
1478		1618
1479	$_->clear_links_to ($self) for values %cf::MAP;	1619	$_->clear_links_to ($self) for values %cf::MAP;
1480		1620
1481	$self->unlink_save;	1621	$self->unlink_save;
1482	$self->destroy;	1622	$self->destroy;
…		…
1485	my $nuke_counter = "aaaa";	1625	my $nuke_counter = "aaaa";
1486		1626
1487	sub nuke {	1627	sub nuke {
1488	my ($self) = @_;	1628	my ($self) = @_;
1489		1629
		1630	delete $cf::MAP{$self->path};
		1631
		1632	$self->unlink_save;
		1633
		1634	bless $self, "cf::map";
		1635	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	1636	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	1637	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1639
		1640	$cf::MAP{$self->path} = $self;
		1641
1493	$self->reset; # polite request, might not happen	1642	$self->reset; # polite request, might not happen
1494	}	1643	}
1495		1644
1496	sub customise_for {	1645	=item cf::map::unique_maps
1497	my ($map, $ob) = @_;
1498		1646
1499	if ($map->per_player) {	1647	Returns an arrayref of paths of all shared maps that have
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1648	instantiated unique items. May block.
1501	}
1502		1649
1503	$map	1650	=cut
1504	}
1505		1651
1506	sub emergency_save {	1652	sub unique_maps() {
1507	my $freeze_guard = cf::freeze_mainloop;	1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1654	or return;
1508		1655
1509	warn "enter emergency perl save\n";	1656	my @paths;
1510		1657
1511	cf::sync_job {	1658	for (@$files) {
1512	warn "begin emergency player save\n";	1659	utf8::decode $_;
1513	$_->save for values %cf::PLAYER;	1660	next if /\.pst$/;
1514	warn "end emergency player save\n";	1661	next unless /^$PATH_SEP/o;
1515		1662
1516	warn "begin emergency map save\n";	1663	push @paths, cf::map::normalise $_;
1517	$_->save for values %cf::MAP;
1518	warn "end emergency map save\n";
1519	};	1664	}
1520		1665
1521	warn "leave emergency perl save\n";	1666	\@paths
1522	}	1667	}
1523		1668
1524	package cf;	1669	package cf;
1525		1670
1526	=back	1671	=back
1527		1672
		1673	=head3 cf::object
		1674
		1675	=cut
		1676
		1677	package cf::object;
		1678
		1679	=over 4
		1680
		1681	=item $ob->inv_recursive
		1682
		1683	Returns the inventory of the object _and_ their inventories, recursively.
		1684
		1685	=cut
		1686
		1687	sub inv_recursive_;
		1688	sub inv_recursive_ {
		1689	map { $_, inv_recursive_ $_->inv } @_
		1690	}
		1691
		1692	sub inv_recursive {
		1693	inv_recursive_ inv $_[0]
		1694	}
		1695
		1696	package cf;
		1697
		1698	=back
1528		1699
1529	=head3 cf::object::player	1700	=head3 cf::object::player
1530		1701
1531	=over 4	1702	=over 4
1532		1703
…		…
1572		1743
1573	=item $player_object->enter_link	1744	=item $player_object->enter_link
1574		1745
1575	Freezes the player and moves him/her to a special map (C<{link}>).	1746	Freezes the player and moves him/her to a special map (C<{link}>).
1576		1747
1577	The player should be reaosnably safe there for short amounts of time. You	1748	The player should be reasonably safe there for short amounts of time. You
1578	I<MUST> call C<leave_link> as soon as possible, though.	1749	I<MUST> call C<leave_link> as soon as possible, though.
1579		1750
		1751	Will never block.
		1752
1580	=item $player_object->leave_link ($map, $x, $y)	1753	=item $player_object->leave_link ($map, $x, $y)
1581		1754
1582	Moves the player out of the specila link map onto the given map. If the	1755	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	1756	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	1757	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	1758	fails, to the emergency map position.
1586		1759
1587	Might block.	1760	Might block.
1588		1761
1589	=cut	1762	=cut
		1763
		1764	sub link_map {
		1765	unless ($LINK_MAP) {
		1766	$LINK_MAP = cf::map::find "{link}"
		1767	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1768	$LINK_MAP->load;
		1769	}
		1770
		1771	$LINK_MAP
		1772	}
1590		1773
1591	sub cf::object::player::enter_link {	1774	sub cf::object::player::enter_link {
1592	my ($self) = @_;	1775	my ($self) = @_;
1593		1776
1594	$self->deactivate_recursive;	1777	$self->deactivate_recursive;
1595		1778
1596	return if $self->map == $LINK_MAP;	1779	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		1780
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	1782	if $self->map;
1600		1783
1601	$self->enter_map ($LINK_MAP, 20, 20);	1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	1785	}
1603		1786
1604	sub cf::object::player::leave_link {	1787	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	1788	my ($self, $map, $x, $y) = @_;
1606		1789
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	1807	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	1808	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	1809	if $x <=0 && $y <= 0;
1627		1810
1628	$map->load;	1811	$map->load;
		1812	$map->load_diag;
1629		1813
1630	return unless $self->contr->active;	1814	return unless $self->contr->active;
1631	$self->activate_recursive;	1815	$self->activate_recursive;
1632	$self->enter_map ($map, $x, $y);	1816	$self->enter_map ($map, $x, $y);
1633	}	1817	}
…		…
1672	my ($self, $path, $x, $y) = @_;	1856	my ($self, $path, $x, $y) = @_;
1673		1857
1674	$self->enter_link;	1858	$self->enter_link;
1675		1859
1676	(async {	1860	(async {
1677	$path = new cf::path $path;	1861	my $map = eval {
1678
1679	my $map = cf::map::find $path->as_string;	1862	my $map = cf::map::find $path;
1680	$map = $map->customise_for ($self) if $map;	1863	$map = $map->customise_for ($self) if $map;
1681		1864	$map
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	1865	} or
1683	# if $map;
1684
1685	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1686		1867
1687	$self->leave_link ($map, $x, $y);	1868	$self->leave_link ($map, $x, $y);
1688	})->prio (1);	1869	})->prio (1);
1689	}	1870	}
1690		1871
…		…
1694		1875
1695	sub parse_random_map_params {	1876	sub parse_random_map_params {
1696	my ($spec) = @_;	1877	my ($spec) = @_;
1697		1878
1698	my $rmp = { # defaults	1879	my $rmp = { # defaults
1699	xsize => 10,	1880	xsize => (cf::rndm 15, 40),
1700	ysize => 10,	1881	ysize => (cf::rndm 15, 40),
		1882	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1883	#layout => string,
1701	};	1884	};
1702		1885
1703	for (split /\n/, $spec) {	1886	for (split /\n/, $spec) {
1704	my ($k, $v) = split /\s+/, $_, 2;	1887	my ($k, $v) = split /\s+/, $_, 2;
1705		1888
…		…
1709	$rmp	1892	$rmp
1710	}	1893	}
1711		1894
1712	sub prepare_random_map {	1895	sub prepare_random_map {
1713	my ($exit) = @_;	1896	my ($exit) = @_;
		1897
		1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1714		1899
1715	# all this does is basically replace the /! path by	1900	# all this does is basically replace the /! path by
1716	# a new random map path (?random/...) with a seed	1901	# a new random map path (?random/...) with a seed
1717	# that depends on the exit object	1902	# that depends on the exit object
1718		1903
1719	my $rmp = parse_random_map_params $exit->msg;	1904	my $rmp = parse_random_map_params $exit->msg;
1720		1905
1721	if ($exit->map) {	1906	if ($exit->map) {
1722	$rmp->{region} = $exit->map->region_name;	1907	$rmp->{region} = $exit->region->name;
1723	$rmp->{origin_map} = $exit->map->path;	1908	$rmp->{origin_map} = $exit->map->path;
1724	$rmp->{origin_x} = $exit->x;	1909	$rmp->{origin_x} = $exit->x;
1725	$rmp->{origin_y} = $exit->y;	1910	$rmp->{origin_y} = $exit->y;
1726	}	1911	}
1727		1912
1728	$rmp->{random_seed} ||= $exit->random_seed;	1913	$rmp->{random_seed} ||= $exit->random_seed;
1729		1914
1730	my $data = cf::to_json $rmp;	1915	my $data = cf::to_json $rmp;
1731	my $md5 = Digest::MD5::md5_hex $data;	1916	my $md5 = Digest::MD5::md5_hex $data;
		1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1732		1918
1733	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1734	aio_write $fh, 0, (length $data), $data, 0;	1920	aio_write $fh, 0, (length $data), $data, 0;
		1921	undef $fh;
		1922	aio_rename "$meta~", $meta;
1735		1923
1736	$exit->slaying ("?random/$md5");	1924	$exit->slaying ("?random/$md5");
1737	$exit->msg (undef);	1925	$exit->msg (undef);
1738	}	1926	}
1739	}	1927	}
1740		1928
1741	sub cf::object::player::enter_exit {	1929	sub cf::object::player::enter_exit {
1742	my ($self, $exit) = @_;	1930	my ($self, $exit) = @_;
1743		1931
1744	return unless $self->type == cf::PLAYER;	1932	return unless $self->type == cf::PLAYER;
		1933
		1934	if ($exit->slaying eq "/!") {
		1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1936	cf::sync_job { prepare_random_map $exit };
		1937	}
		1938
		1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1940	my $hp = $exit->stats->hp;
		1941	my $sp = $exit->stats->sp;
1745		1942
1746	$self->enter_link;	1943	$self->enter_link;
1747		1944
1748	(async {	1945	(async {
1749	$self->deactivate_recursive; # just to be sure	1946	$self->deactivate_recursive; # just to be sure
1750	unless (eval {	1947	unless (eval {
1751	prepare_random_map $exit	1948	$self->goto ($slaying, $hp, $sp);
1752	if $exit->slaying eq "/!";
1753
1754	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1755	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1756		1949
1757	1;	1950	1;
1758	}) {	1951	}) {
1759	$self->message ("Something went wrong deep within the crossfire server. "	1952	$self->message ("Something went wrong deep within the crossfire server. "
1760	. "I'll try to bring you back to the map you were before. "	1953	. "I'll try to bring you back to the map you were before. "
1761	. "Please report this to the dungeon master",	1954	. "Please report this to the dungeon master!",
1762	cf::NDI_UNIQUE | cf::NDI_RED);	1955	cf::NDI_UNIQUE | cf::NDI_RED);
1763		1956
1764	warn "ERROR in enter_exit: $@";	1957	warn "ERROR in enter_exit: $@";
1765	$self->leave_link;	1958	$self->leave_link;
1766	}	1959	}
…		…
1821	# get handled first	2014	# get handled first
1822	my $queue = delete $ns->{query_queue}	2015	my $queue = delete $ns->{query_queue}
1823	or return; # be conservative, not sure how that can happen, but we saw a crash here	2016	or return; # be conservative, not sure how that can happen, but we saw a crash here
1824		2017
1825	(shift @$queue)->[1]->($msg);	2018	(shift @$queue)->[1]->($msg);
		2019	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1826		2020
1827	push @{ $ns->{query_queue} }, @$queue;	2021	push @{ $ns->{query_queue} }, @$queue;
1828		2022
1829	if (@{ $ns->{query_queue} } == @$queue) {	2023	if (@{ $ns->{query_queue} } == @$queue) {
1830	if (@$queue) {	2024	if (@$queue) {
…		…
1991	The parameter C<$family> should best start with the name of the extension	2185	The parameter C<$family> should best start with the name of the extension
1992	using it, it should be unique.	2186	using it, it should be unique.
1993		2187
1994	=over 4	2188	=over 4
1995		2189
1996	=item $hashref = cf::db_get $family
1997
1998	Return a hashref for use by the extension C<$family>, which can be
1999	modified. After modifications, you have to call C<cf::db_dirty> or
2000	C<cf::db_sync>.
2001
2002	=item $value = cf::db_get $family => $key	2190	=item $value = cf::db_get $family => $key
2003		2191
2004	Returns a single value from the database	2192	Returns a single value from the database.
2005
2006	=item cf::db_put $family => $hashref
2007
2008	Stores the given family hashref into the database. Updates are delayed, if
2009	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2010		2193
2011	=item cf::db_put $family => $key => $value	2194	=item cf::db_put $family => $key => $value
2012		2195
2013	Stores the given C<$value> in the family hash. Updates are delayed, if you	2196	Stores the given C<$value> in the family.
2014	want the data to be synced to disk immediately, use C<cf::db_sync>.
2015
2016	=item cf::db_dirty
2017
2018	Marks the database as dirty, to be updated at a later time.
2019
2020	=item cf::db_sync
2021
2022	Immediately write the database to disk I<if it is dirty>.
2023		2197
2024	=cut	2198	=cut
2025		2199
2026	our $DB;	2200	our $DB;
2027		2201
2028	{	2202	unless ($DB) {
		2203	$DB = BDB::db_create $DB_ENV;
		2204
		2205	cf::sync_job {
		2206	eval {
		2207	$DB->set_flags (BDB::CHKSUM);
		2208
		2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2211	cf::cleanup "db_open(db): $!" if $!;
		2212	};
		2213	cf::cleanup "db_open(db): $@" if $@;
		2214	};
		2215
2029	my $path = cf::localdir . "/database.pst";	2216	my $path = cf::localdir . "/database.pst";
		2217	if (stat $path) {
		2218	cf::sync_job {
		2219	my $pst = Storable::retrieve $path;
2030		2220
2031	sub db_load() {	2221	cf::db_put (board => data => $pst->{board});
2032	$DB = stat $path ? Storable::retrieve $path : { };	2222	cf::db_put (guildrules => data => $pst->{guildrules});
2033	}	2223	cf::db_put (rent => balance => $pst->{rent}{balance});
		2224	BDB::db_env_txn_checkpoint $DB_ENV;
2034		2225
2035	my $pid;	2226	unlink $path;
2036
2037	sub db_save() {
2038	waitpid $pid, 0 if $pid;
2039	if (0 == ($pid = fork)) {
2040	$DB->{_meta}{version} = 1;
2041	Storable::nstore $DB, "$path~";
2042	rename "$path~", $path;
2043	cf::_exit 0 if defined $pid;
2044	}	2227	};
2045	}
2046
2047	my $dirty;
2048
2049	sub db_sync() {
2050	db_save if $dirty;
2051	undef $dirty;
2052	}
2053
2054	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2055	db_sync;
2056	});	2228	}
		2229	}
2057		2230
2058	sub db_dirty() {
2059	$dirty = 1;
2060	$idle->start;
2061	}
2062
2063	sub db_get($;$) {	2231	sub db_get($$) {
2064	@_ >= 2	2232	my $key = "$_[0]/$_[1]";
2065	? $DB->{$_[0]}{$_[1]}
2066	: ($DB->{$_[0]} ||= { })
2067	}
2068		2233
		2234	cf::sync_job {
		2235	BDB::db_get $DB, undef, $key, my $data;
		2236
		2237	$! ? ()
		2238	: Compress::LZF::sthaw $data
		2239	}
		2240	}
		2241
2069	sub db_put($$;$) {	2242	sub db_put($$$) {
2070	if (@_ >= 3) {	2243	BDB::dbreq_pri 4;
2071	$DB->{$_[0]}{$_[1]} = $_[2];	2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2072	} else {
2073	$DB->{$_[0]} = $_[1];
2074	}
2075	db_dirty;
2076	}
2077
2078	cf::global->attach (
2079	prio => 10000,
2080	on_cleanup => sub {
2081	db_sync;
2082	},
2083	);
2084	}	2245	}
2085		2246
2086	#############################################################################	2247	#############################################################################
2087	# the server's main()	2248	# the server's init and main functions
		2249
		2250	sub load_resources {
		2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2252	or die "unable to load regions file\n";#d#
		2253	}
2088		2254
2089	sub cfg_load {	2255	sub cfg_load {
2090	open my $fh, "<:utf8", cf::confdir . "/config"	2256	open my $fh, "<:utf8", cf::confdir . "/config"
2091	or return;	2257	or return;
2092		2258
…		…
2105	};	2271	};
2106	warn $@ if $@;	2272	warn $@ if $@;
2107	}	2273	}
2108	}	2274	}
2109		2275
		2276	sub init {
		2277	load_resources;
		2278	}
		2279
2110	sub main {	2280	sub main {
2111	# we must not ever block the main coroutine	2281	# we must not ever block the main coroutine
2112	local $Coro::idle = sub {	2282	local $Coro::idle = sub {
2113	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2284	(async {
2114	async { Event::one_event };	2285	Event::one_event;
		2286	})->prio (Coro::PRIO_MAX);
2115	};	2287	};
2116		2288
2117	cfg_load;	2289	cfg_load;
2118	db_load;
2119	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2120	Event::loop;	2293	Event::loop;
2121	}	2294	}
2122		2295
2123	#############################################################################	2296	#############################################################################
2124	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338
		2339	warn "begin emergency database checkpoint\n";
		2340	BDB::db_env_txn_checkpoint $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
2125		2346
2126	sub reload() {	2347	sub reload() {
2127	# can/must only be called in main	2348	# can/must only be called in main
2128	if ($Coro::current != $Coro::main) {	2349	if ($Coro::current != $Coro::main) {
2129	warn "can only reload from main coroutine\n";	2350	warn "can only reload from main coroutine";
2130	return;	2351	return;
2131	}	2352	}
2132		2353
2133	warn "reloading...";	2354	warn "reloading...";
2134		2355
2135	my $guard = freeze_mainloop;	2356	warn "cancelling server ticker";
		2357	$TICK_WATCHER->cancel;
		2358
2136	cf::emergency_save;	2359	cf::emergency_save;
2137		2360
2138	eval {	2361	eval {
2139	# if anything goes wrong in here, we should simply crash as we already saved	2362	# if anything goes wrong in here, we should simply crash as we already saved
2140		2363
2141	# cancel all watchers	2364	warn "cancelling all WF_AUTOCANCEL watchers";
2142	for (Event::all_watchers) {	2365	for (Event::all_watchers) {
2143	$_->cancel if $_->data & WF_AUTOCANCEL;	2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2144	}	2367	}
2145		2368
		2369	warn "syncing database to disk";
		2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2371
		2372	warn "flushing outstanding aio requests";
		2373	for (;;) {
		2374	BDB::flush;
		2375	IO::AIO::flush;
		2376	Coro::cede;
		2377	last unless IO::AIO::nreqs || BDB::nreqs;
		2378	warn "iterate...";
		2379	}
		2380
2146	# cancel all extension coros	2381	warn "cancelling all extension coros";
2147	$_->cancel for values %EXT_CORO;	2382	$_->cancel for values %EXT_CORO;
2148	%EXT_CORO = ();	2383	%EXT_CORO = ();
2149		2384
2150	# unload all extensions	2385	warn "removing commands";
2151	for (@exts) {	2386	%COMMAND = ();
		2387
		2388	warn "removing ext commands";
		2389	%EXTCMD = ();
		2390
		2391	warn "unloading/nuking all extensions";
		2392	for my $pkg (@EXTS) {
2152	warn "unloading <$_>";	2393	warn "... unloading $pkg";
2153	unload_extension $_;	2394
		2395	if (my $cb = $pkg->can ("unload")) {
		2396	eval {
		2397	$cb->($pkg);
		2398	1
		2399	} or warn "$pkg unloaded, but with errors: $@";
2154	}	2400	}
2155		2401
		2402	warn "... nuking $pkg";
		2403	Symbol::delete_package $pkg;
		2404	}
		2405
2156	# unload all modules loaded from $LIBDIR	2406	warn "unloading all perl modules loaded from $LIBDIR";
2157	while (my ($k, $v) = each %INC) {	2407	while (my ($k, $v) = each %INC) {
2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2408	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159		2409
2160	warn "removing <$k>";	2410	warn "... unloading $k";
2161	delete $INC{$k};	2411	delete $INC{$k};
2162		2412
2163	$k =~ s/\.pm$//;	2413	$k =~ s/\.pm$//;
2164	$k =~ s/\//::/g;	2414	$k =~ s/\//::/g;
2165		2415
…		…
2168	}	2418	}
2169		2419
2170	Symbol::delete_package $k;	2420	Symbol::delete_package $k;
2171	}	2421	}
2172		2422
2173	# sync database to disk
2174	cf::db_sync;
2175	IO::AIO::flush;
2176
2177	# get rid of safe::, as good as possible	2423	warn "getting rid of safe::, as good as possible";
2178	Symbol::delete_package "safe::$_"	2424	Symbol::delete_package "safe::$_"
2179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2180		2426
2181	# remove register_script_function callbacks
2182	# TODO
2183
2184	# unload cf.pm "a bit"	2427	warn "unloading cf.pm \"a bit\"";
2185	delete $INC{"cf.pm"};	2428	delete $INC{"cf.pm"};
2186		2429
2187	# don't, removes xs symbols, too,	2430	# don't, removes xs symbols, too,
2188	# and global variables created in xs	2431	# and global variables created in xs
2189	#Symbol::delete_package __PACKAGE__;	2432	#Symbol::delete_package __PACKAGE__;
2190		2433
2191	# reload cf.pm	2434	warn "unload completed, starting to reload now";
		2435
2192	warn "reloading cf.pm";	2436	warn "reloading cf.pm";
2193	require cf;	2437	require cf;
2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2195		2439
2196	# load config and database again	2440	warn "loading config and database again";
2197	cf::cfg_load;	2441	cf::cfg_load;
2198	cf::db_load;
2199		2442
2200	# load extensions
2201	warn "load extensions";	2443	warn "loading extensions";
2202	cf::load_extensions;	2444	cf::load_extensions;
2203		2445
2204	# reattach attachments to objects	2446	warn "reattaching attachments to objects/players";
2205	warn "reattach";
2206	_global_reattach;	2447	_global_reattach;
		2448	warn "reattaching attachments to maps";
2207	reattach $_ for values %MAP;	2449	reattach $_ for values %MAP;
		2450
		2451	warn "loading reloadable resources";
		2452	load_resources;
		2453
		2454	warn "restarting server ticker";
		2455
		2456	$TICK_WATCHER->start;
2208	};	2457	};
2209		2458
2210	if ($@) {	2459	if ($@) {
2211	warn $@;	2460	warn $@;
2212	warn "error while reloading, exiting.";	2461	warn "error while reloading, exiting.";
2213	exit 1;	2462	exit 1;
2214	}	2463	}
2215		2464
2216	warn "reloaded successfully";	2465	warn "reloaded";
2217	};	2466	};
2218		2467
2219	#############################################################################	2468	our $RELOAD_WATCHER; # used only during reload
2220
2221	unless ($LINK_MAP) {
2222	$LINK_MAP = cf::map::new;
2223
2224	$LINK_MAP->width (41);
2225	$LINK_MAP->height (41);
2226	$LINK_MAP->alloc;
2227	$LINK_MAP->path ("{link}");
2228	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2229	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2230
2231	# dirty hack because... archetypes are not yet loaded
2232	Event->timer (
2233	after => 10,
2234	cb => sub {
2235	$_[0]->w->cancel;
2236
2237	# provide some exits "home"
2238	my $exit = cf::object::new "exit";
2239
2240	$exit->slaying ($EMERGENCY_POSITION->[0]);
2241	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2242	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2243
2244	$LINK_MAP->insert ($exit->clone, 19, 19);
2245	$LINK_MAP->insert ($exit->clone, 19, 20);
2246	$LINK_MAP->insert ($exit->clone, 19, 21);
2247	$LINK_MAP->insert ($exit->clone, 20, 19);
2248	$LINK_MAP->insert ($exit->clone, 20, 21);
2249	$LINK_MAP->insert ($exit->clone, 21, 19);
2250	$LINK_MAP->insert ($exit->clone, 21, 20);
2251	$LINK_MAP->insert ($exit->clone, 21, 21);
2252
2253	$exit->destroy;
2254	});
2255
2256	$LINK_MAP->{deny_save} = 1;
2257	$LINK_MAP->{deny_reset} = 1;
2258
2259	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2260	}
2261
2262	register "<global>", __PACKAGE__;
2263		2469
2264	register_command "reload" => sub {	2470	register_command "reload" => sub {
2265	my ($who, $arg) = @_;	2471	my ($who, $arg) = @_;
2266		2472
2267	if ($who->flag (FLAG_WIZ)) {	2473	if ($who->flag (FLAG_WIZ)) {
2268	$who->message ("start of reload.");	2474	$who->message ("reloading server.");
		2475
		2476	# doing reload synchronously and two reloads happen back-to-back,
		2477	# coro crashes during coro_state_free->destroy here.
		2478
		2479	$RELOAD_WATCHER ||= Event->timer (
		2480	reentrant => 0,
		2481	after => 0,
		2482	data => WF_AUTOCANCEL,
		2483	cb => sub {
2269	reload;	2484	reload;
2270	$who->message ("end of reload.");	2485	undef $RELOAD_WATCHER;
		2486	},
		2487	);
2271	}	2488	}
2272	};	2489	};
2273		2490
2274	unshift @INC, $LIBDIR;	2491	unshift @INC, $LIBDIR;
		2492
		2493	my $bug_warning = 0;
2275		2494
2276	$TICK_WATCHER = Event->timer (	2495	$TICK_WATCHER = Event->timer (
2277	reentrant => 0,	2496	reentrant => 0,
		2497	parked => 1,
2278	prio => 0,	2498	prio => 0,
2279	at => $NEXT_TICK || $TICK,	2499	at => $NEXT_TICK || $TICK,
2280	data => WF_AUTOCANCEL,	2500	data => WF_AUTOCANCEL,
2281	cb => sub {	2501	cb => sub {
		2502	if ($Coro::current != $Coro::main) {
		2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2504	unless ++$bug_warning > 10;
		2505	return;
		2506	}
		2507
		2508	$NOW = Event::time;
		2509
2282	cf::server_tick; # one server iteration	2510	cf::server_tick; # one server iteration
2283	$RUNTIME += $TICK;	2511	$RUNTIME += $TICK;
2284	$NEXT_TICK += $TICK;	2512	$NEXT_TICK += $TICK;
		2513
		2514	$WAIT_FOR_TICK->broadcast;
		2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2516
		2517	Event::sweep;
		2518	Coro::cede_notself;
		2519
		2520	# my $AFTER = Event::time;
		2521	# warn $AFTER - $NOW;#d#
2285		2522
2286	# if we are delayed by four ticks or more, skip them all	2523	# if we are delayed by four ticks or more, skip them all
2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2288		2525
2289	$TICK_WATCHER->at ($NEXT_TICK);	2526	$TICK_WATCHER->at ($NEXT_TICK);
2290	$TICK_WATCHER->start;	2527	$TICK_WATCHER->start;
2291	},	2528	},
2292	);	2529	);
2293		2530
		2531	{
		2532	BDB::max_poll_time $TICK * 0.1;
		2533	$BDB_POLL_WATCHER = Event->io (
		2534	reentrant => 0,
		2535	fd => BDB::poll_fileno,
		2536	poll => 'r',
		2537	prio => 0,
		2538	data => WF_AUTOCANCEL,
		2539	cb => \&BDB::poll_cb,
		2540	);
		2541	BDB::min_parallel 8;
		2542
		2543	BDB::set_sync_prepare {
		2544	my $status;
		2545	my $current = $Coro::current;
		2546	(
		2547	sub {
		2548	$status = $!;
		2549	$current->ready; undef $current;
		2550	},
		2551	sub {
		2552	Coro::schedule while defined $current;
		2553	$! = $status;
		2554	},
		2555	)
		2556	};
		2557
		2558	unless ($DB_ENV) {
		2559	$DB_ENV = BDB::db_env_create;
		2560
		2561	cf::sync_job {
		2562	eval {
		2563	BDB::db_env_open
		2564	$DB_ENV,
		2565	$BDB_ENV_DIR,
		2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2568	0666;
		2569
		2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2571
		2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2573	$DB_ENV->set_lk_detect;
		2574	};
		2575
		2576	cf::cleanup "db_env_open(db): $@" if $@;
		2577	};
		2578	}
		2579	}
		2580
		2581	{
		2582	IO::AIO::min_parallel 8;
		2583
		2584	undef $Coro::AIO::WATCHER;
2294	IO::AIO::max_poll_time $TICK * 0.2;	2585	IO::AIO::max_poll_time $TICK * 0.1;
2295		2586	$AIO_POLL_WATCHER = Event->io (
2296	Event->io (	2587	reentrant => 0,
2297	fd => IO::AIO::poll_fileno,	2588	fd => IO::AIO::poll_fileno,
2298	poll => 'r',	2589	poll => 'r',
2299	prio => 5,	2590	prio => 6,
2300	data => WF_AUTOCANCEL,	2591	data => WF_AUTOCANCEL,
2301	cb => \&IO::AIO::poll_cb,	2592	cb => \&IO::AIO::poll_cb,
2302	);	2593	);
		2594	}
2303		2595
2304	Event->timer (	2596	$WRITE_RUNTIME_WATCHER = Event->timer (
		2597	reentrant => 0,
2305	data => WF_AUTOCANCEL,	2598	data => WF_AUTOCANCEL,
2306	after => 0,	2599	after => 1,
2307	interval => 10,	2600	interval => 10,
2308	cb => sub {	2601	prio => 6, # keep it lowest so it acts like a watchdog
2309	(Coro::unblock_sub {	2602	cb => Coro::unblock_sub {
2310	write_runtime	2603	write_runtime
2311	or warn "ERROR: unable to write runtime file: $!";	2604	or warn "ERROR: unable to write runtime file: $!";
2312	})->();
2313	},	2605	},
2314	);	2606	);
2315		2607
2316	END { cf::emergency_save }	2608	END { cf::emergency_save }
2317		2609

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