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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 1.210 by root, Mon Feb 12 01:32:49 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
		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
1477	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1478		1627
1479	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1480		1629
1481	$self->unlink_save;	1630	$self->unlink_save;
1482	$self->destroy;	1631	$self->destroy;
…		…
1485	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1486		1635
1487	sub nuke {	1636	sub nuke {
1488	my ($self) = @_;	1637	my ($self) = @_;
1489		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1493	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1494	}	1652	}
1495		1653
1496	sub customise_for {	1654	=item cf::map::unique_maps
1497	my ($map, $ob) = @_;
1498		1655
1499	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1501	}
1502		1658
1503	$map	1659	=cut
1504	}
1505		1660
1506	sub emergency_save {	1661	sub unique_maps() {
1507	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1508		1664
1509	warn "enter emergency perl save\n";	1665	my @paths;
1510		1666
1511	cf::sync_job {	1667	for (@$files) {
1512	warn "begin emergency player save\n";	1668	utf8::decode $_;
1513	$_->save for values %cf::PLAYER;	1669	next if /\.pst$/;
1514	warn "end emergency player save\n";	1670	next unless /^$PATH_SEP/o;
1515		1671
1516	warn "begin emergency map save\n";	1672	push @paths, cf::map::normalise $_;
1517	$_->save for values %cf::MAP;
1518	warn "end emergency map save\n";
1519	};	1673	}
1520		1674
1521	warn "leave emergency perl save\n";	1675	\@paths
1522	}	1676	}
1523		1677
1524	package cf;	1678	package cf;
1525		1679
1526	=back	1680	=back
1527		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
1528		1708
1529	=head3 cf::object::player	1709	=head3 cf::object::player
1530		1710
1531	=over 4	1711	=over 4
1532		1712
…		…
1572		1752
1573	=item $player_object->enter_link	1753	=item $player_object->enter_link
1574		1754
1575	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}>).
1576		1756
1577	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
1578	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1579		1759
		1760	Will never block.
		1761
1580	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1581		1763
1582	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
1583	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
1584	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
1585	to the emergency map position.	1767	fails, to the emergency map position.
1586		1768
1587	Might block.	1769	Might block.
1588		1770
1589	=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	}
1590		1782
1591	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1592	my ($self) = @_;	1784	my ($self) = @_;
1593		1785
1594	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1595		1787
1596	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		1789
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	1791	if $self->map;
1600		1792
1601	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	1794	}
1603		1795
1604	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1606		1798
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1627		1819
1628	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1629		1822
1630	return unless $self->contr->active;	1823	return unless $self->contr->active;
1631	$self->activate_recursive;	1824	$self->activate_recursive;
1632	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1633	}	1826	}
…		…
1672	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1673		1866
1674	$self->enter_link;	1867	$self->enter_link;
1675		1868
1676	(async {	1869	(async {
1677	$path = new cf::path $path;	1870	my $map = eval {
1678
1679	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1680	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1681		1873	$map
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1683	# if $map;
1684
1685	$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);
1686		1876
1687	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1688	})->prio (1);	1878	})->prio (1);
1689	}	1879	}
1690		1880
…		…
1694		1884
1695	sub parse_random_map_params {	1885	sub parse_random_map_params {
1696	my ($spec) = @_;	1886	my ($spec) = @_;
1697		1887
1698	my $rmp = { # defaults	1888	my $rmp = { # defaults
1699	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1700	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1701	};	1893	};
1702		1894
1703	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1704	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1705		1897
…		…
1709	$rmp	1901	$rmp
1710	}	1902	}
1711		1903
1712	sub prepare_random_map {	1904	sub prepare_random_map {
1713	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1714		1908
1715	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1716	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1717	# that depends on the exit object	1911	# that depends on the exit object
1718		1912
1719	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1720		1914
1721	if ($exit->map) {	1915	if ($exit->map) {
1722	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1723	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1724	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1725	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1726	}	1920	}
1727		1921
1728	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1729		1923
1730	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1731	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1732		1927
1733	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) {
1734	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;
1735		1932
1736	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1737	$exit->msg (undef);	1934	$exit->msg (undef);
1738	}	1935	}
1739	}	1936	}
1740		1937
1741	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1742	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1743		1940
1744	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;
1745		1951
1746	$self->enter_link;	1952	$self->enter_link;
1747		1953
1748	(async {	1954	(async {
1749	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1750	unless (eval {	1956	unless (eval {
1751	prepare_random_map $exit	1957	$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		1958
1757	1;	1959	1;
1758	}) {	1960	}) {
1759	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1760	. "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. "
1761	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1762	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1763		1965
1764	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1765	$self->leave_link;	1967	$self->leave_link;
1766	}	1968	}
…		…
1821	# get handled first	2023	# get handled first
1822	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1823	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
1824		2026
1825	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1826		2029
1827	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1828		2031
1829	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1830	if (@$queue) {	2033	if (@$queue) {
…		…
1991	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
1992	using it, it should be unique.	2195	using it, it should be unique.
1993		2196
1994	=over 4	2197	=over 4
1995		2198
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	2199	=item $value = cf::db_get $family => $key
2003		2200
2004	Returns a single value from the database	2201	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		2202
2011	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
2012		2204
2013	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	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		2206
2024	=cut	2207	=cut
2025		2208
2026	our $DB;	2209	our $DB;
2027		2210
2028	{	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
2029	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;
2030		2230
2031	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
2032	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
2033	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
2034		2235
2035	my $pid;	2236	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	}	2237	};
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	});
2057
2058	sub db_dirty() {
2059	$dirty = 1;
2060	$idle->start;
2061	}
2062
2063	sub db_get($;$) {
2064	@_ >= 2
2065	? $DB->{$_[0]}{$_[1]}
2066	: ($DB->{$_[0]} ||= { })
2067	}
2068
2069	sub db_put($$;$) {
2070	if (@_ >= 3) {
2071	$DB->{$_[0]}{$_[1]} = $_[2];
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	},	2238	}
2083	);	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 { };
2084	}	2256	}
2085		2257
2086	#############################################################################	2258	#############################################################################
2087	# 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	}
2088		2265
2089	sub cfg_load {	2266	sub cfg_load {
2090	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
2091	or return;	2268	or return;
2092		2269
…		…
2105	};	2282	};
2106	warn $@ if $@;	2283	warn $@ if $@;
2107	}	2284	}
2108	}	2285	}
2109		2286
		2287	sub init {
		2288	load_resources;
		2289	}
		2290
2110	sub main {	2291	sub main {
2111	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2112	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2113	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 {
2114	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2115	};	2298	};
2116		2299
2117	cfg_load;	2300	cfg_load;
2118	db_load;	2301	db_init;
2119	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2120	Event::loop;	2305	Event::loop;
2121	}	2306	}
2122		2307
2123	#############################################################################	2308	#############################################################################
2124	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2125		2358
2126	sub reload() {	2359	sub reload() {
2127	# can/must only be called in main	2360	# can/must only be called in main
2128	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2129	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2130	return;	2363	return;
2131	}	2364	}
2132		2365
2133	warn "reloading...";	2366	warn "reloading...";
2134		2367
2135	my $guard = freeze_mainloop;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2136	cf::emergency_save;	2371	cf::emergency_save;
2137		2372
2138	eval {	2373	eval {
2139	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
2140		2375
2141	# cancel all watchers	2376	warn "cancelling all WF_AUTOCANCEL watchers";
2142	for (Event::all_watchers) {	2377	for (Event::all_watchers) {
2143	$_->cancel if $_->data & WF_AUTOCANCEL;	2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2144	}	2379	}
2145		2380
		2381	warn "syncing database to disk";
		2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	BDB::flush;
		2387	IO::AIO::flush;
		2388	Coro::cede;
		2389	last unless IO::AIO::nreqs || BDB::nreqs;
		2390	warn "iterate...";
		2391	}
		2392
2146	# cancel all extension coros	2393	warn "cancelling all extension coros";
2147	$_->cancel for values %EXT_CORO;	2394	$_->cancel for values %EXT_CORO;
2148	%EXT_CORO = ();	2395	%EXT_CORO = ();
2149		2396
2150	# unload all extensions	2397	warn "removing commands";
2151	for (@exts) {	2398	%COMMAND = ();
		2399
		2400	warn "removing ext commands";
		2401	%EXTCMD = ();
		2402
		2403	warn "unloading/nuking all extensions";
		2404	for my $pkg (@EXTS) {
2152	warn "unloading <$_>";	2405	warn "... unloading $pkg";
2153	unload_extension $_;	2406
		2407	if (my $cb = $pkg->can ("unload")) {
		2408	eval {
		2409	$cb->($pkg);
		2410	1
		2411	} or warn "$pkg unloaded, but with errors: $@";
2154	}	2412	}
2155		2413
		2414	warn "... nuking $pkg";
		2415	Symbol::delete_package $pkg;
		2416	}
		2417
2156	# unload all modules loaded from $LIBDIR	2418	warn "unloading all perl modules loaded from $LIBDIR";
2157	while (my ($k, $v) = each %INC) {	2419	while (my ($k, $v) = each %INC) {
2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159		2421
2160	warn "removing <$k>";	2422	warn "... unloading $k";
2161	delete $INC{$k};	2423	delete $INC{$k};
2162		2424
2163	$k =~ s/\.pm$//;	2425	$k =~ s/\.pm$//;
2164	$k =~ s/\//::/g;	2426	$k =~ s/\//::/g;
2165		2427
…		…
2168	}	2430	}
2169		2431
2170	Symbol::delete_package $k;	2432	Symbol::delete_package $k;
2171	}	2433	}
2172		2434
2173	# sync database to disk
2174	cf::db_sync;
2175	IO::AIO::flush;
2176
2177	# get rid of safe::, as good as possible	2435	warn "getting rid of safe::, as good as possible";
2178	Symbol::delete_package "safe::$_"	2436	Symbol::delete_package "safe::$_"
2179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2180		2438
2181	# remove register_script_function callbacks
2182	# TODO
2183
2184	# unload cf.pm "a bit"	2439	warn "unloading cf.pm \"a bit\"";
2185	delete $INC{"cf.pm"};	2440	delete $INC{"cf.pm"};
2186		2441
2187	# don't, removes xs symbols, too,	2442	# don't, removes xs symbols, too,
2188	# and global variables created in xs	2443	# and global variables created in xs
2189	#Symbol::delete_package __PACKAGE__;	2444	#Symbol::delete_package __PACKAGE__;
2190		2445
2191	# reload cf.pm	2446	warn "unload completed, starting to reload now";
		2447
2192	warn "reloading cf.pm";	2448	warn "reloading cf.pm";
2193	require cf;	2449	require cf;
2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2195		2451
2196	# load config and database again	2452	warn "loading config and database again";
2197	cf::cfg_load;	2453	cf::cfg_load;
2198	cf::db_load;
2199		2454
2200	# load extensions
2201	warn "load extensions";	2455	warn "loading extensions";
2202	cf::load_extensions;	2456	cf::load_extensions;
2203		2457
2204	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2205	warn "reattach";
2206	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
2207	reattach $_ for values %MAP;	2461	reattach $_ for values %MAP;
		2462
		2463	warn "loading reloadable resources";
		2464	load_resources;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
2208	};	2469	};
2209		2470
2210	if ($@) {	2471	if ($@) {
2211	warn $@;	2472	warn $@;
2212	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
2213	exit 1;	2474	exit 1;
2214	}	2475	}
2215		2476
2216	warn "reloaded successfully";	2477	warn "reloaded";
2217	};	2478	};
2218		2479
2219	#############################################################################	2480	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} = $LINK_MAP;
2260	}
2261
2262	register "<global>", __PACKAGE__;
2263		2481
2264	register_command "reload" => sub {	2482	register_command "reload" => sub {
2265	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2266		2484
2267	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2268	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2269	reload;	2496	reload;
2270	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2271	}	2500	}
2272	};	2501	};
2273		2502
2274	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2275		2506
2276	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2277	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2278	prio => 0,	2510	prio => 0,
2279	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2280	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2281	cb => sub {	2513	cb => sub {
		2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2282	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2283	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2284	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2285		2534
2286	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2288		2537
2289	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2290	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2291	},	2540	},
2292	);	2541	);
2293		2542
		2543	{
		2544	BDB::max_poll_time $TICK * 0.1;
		2545	$BDB_POLL_WATCHER = Event->io (
		2546	reentrant => 0,
		2547	fd => BDB::poll_fileno,
		2548	poll => 'r',
		2549	prio => 0,
		2550	data => WF_AUTOCANCEL,
		2551	cb => \&BDB::poll_cb,
		2552	);
		2553	BDB::min_parallel 8;
		2554
		2555	BDB::set_sync_prepare {
		2556	my $status;
		2557	my $current = $Coro::current;
		2558	(
		2559	sub {
		2560	$status = $!;
		2561	$current->ready; undef $current;
		2562	},
		2563	sub {
		2564	Coro::schedule while defined $current;
		2565	$! = $status;
		2566	},
		2567	)
		2568	};
		2569
		2570	unless ($DB_ENV) {
		2571	$DB_ENV = BDB::db_env_create;
		2572
		2573	cf::sync_job {
		2574	eval {
		2575	BDB::db_env_open
		2576	$DB_ENV,
		2577	$BDB_ENV_DIR,
		2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2580	0666;
		2581
		2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2583
		2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2585	$DB_ENV->set_lk_detect;
		2586	};
		2587
		2588	cf::cleanup "db_env_open(db): $@" if $@;
		2589	};
		2590	}
		2591	}
		2592
		2593	{
		2594	IO::AIO::min_parallel 8;
		2595
		2596	undef $Coro::AIO::WATCHER;
2294	IO::AIO::max_poll_time $TICK * 0.2;	2597	IO::AIO::max_poll_time $TICK * 0.1;
2295		2598	$AIO_POLL_WATCHER = Event->io (
2296	Event->io (	2599	reentrant => 0,
2297	fd => IO::AIO::poll_fileno,	2600	fd => IO::AIO::poll_fileno,
2298	poll => 'r',	2601	poll => 'r',
2299	prio => 5,	2602	prio => 6,
2300	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2301	cb => \&IO::AIO::poll_cb,	2604	cb => \&IO::AIO::poll_cb,
2302	);	2605	);
		2606	}
2303		2607
2304	Event->timer (	2608	$WRITE_RUNTIME_WATCHER = Event->timer (
		2609	reentrant => 0,
2305	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2306	after => 0,	2611	after => 1,
2307	interval => 10,	2612	interval => 10,
2308	cb => sub {	2613	prio => 6, # keep it lowest so it acts like a watchdog
2309	(Coro::unblock_sub {	2614	cb => Coro::unblock_sub {
2310	write_runtime	2615	write_runtime
2311	or warn "ERROR: unable to write runtime file: $!";	2616	or warn "ERROR: unable to write runtime file: $!";
2312	})->();
2313	},	2617	},
2314	);	2618	);
2315		2619
2316	END { cf::emergency_save }	2620	END { cf::emergency_save }
2317		2621

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