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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
52	our %PLAYER; # all users	73	our %PLAYER; # all users
53	our %MAP; # all maps	74	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
77		105
78	#############################################################################	106	#############################################################################
79		107
80	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
81		109
…		…
105		133
106	=item %cf::CFG	134	=item %cf::CFG
107		135
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
110		145
111	=back	146	=back
112		147
113	=cut	148	=cut
114		149
…		…
118	utf8::encode $msg;	153	utf8::encode $msg;
119		154
120	$msg .= "\n"	155	$msg .= "\n"
121	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
122		157
123	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
124	};	159	};
125	}	160	}
126		161
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		181
147	$Event::DIED = sub {	182	$Event::DIED = sub {
148	warn "error in event callback: @_";	183	warn "error in event callback: @_";
149	};	184	};
150		185
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
156		187
157	=over 4	188	=over 4
158		189
159	=cut	190	=item dumpval $ref
160		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162		214
163	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
164		216
165	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
166		218
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
175		220
176	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		222
185	=item cf::lock_wait $string	223	=item cf::lock_wait $string
186		224
187	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
188		226
…		…
225	}	263	}
226		264
227	sub freeze_mainloop {	265	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
229		267
230	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
231	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
232	$guard	272	$guard
233	}	273	}
234		274
235	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
287	}	327	}
288	}	328	}
289		329
290	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
291		331
292	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	333	extension calling this is being unloaded.
294		334
295	=cut	335	=cut
296		336
297	sub async_ext(&) {	337	sub async_ext(&) {
…		…
306		346
307	$coro	347	$coro
308	}	348	}
309		349
310	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
311	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
312		354
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	356	or return;
315		357
		358	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	363	and return;
319		364
		365	# always fsync - this file is important
320	aio_fsync $fh	366	aio_fsync $fh
321	and return;	367	and return;
322		368
323	close $fh	369	close $fh
324	or return;	370	or return;
…		…
327	and return;	373	and return;
328		374
329	1	375	1
330	}	376	}
331		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
332	=back	389	=back
333		390
334	=cut	391	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		392
456	#############################################################################	393	#############################################################################
457		394
458	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
459		396
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	523	our @CB_MAP = ();
587		524
588	my %attachment;	525	my %attachment;
589		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
590	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
592		535
593	use sort 'stable';	536	use sort 'stable';
594		537
…		…
765	# object support	708	# object support
766		709
767	sub reattach {	710	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		715
771	my $registry = $obj->registry;	716	my $registry = $obj->registry;
772		717
773	@$registry = ();	718	@$registry = ();
774		719
…		…
821	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
822		767
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	772	close $fh;
828		773
829	if (@$objs) {	774	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	780	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
837	}	782	}
838	} else {	783	} else {
839	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
906	=cut	851	=cut
907		852
908	sub register_extcmd {	853	sub register_extcmd {
909	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
910		855
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
915	}	857	}
916		858
917	cf::player->attach (	859	cf::player->attach (
918	on_command => sub {	860	on_command => sub {
919	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
932		874
933	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
934		876
935	if (ref $msg) {	877	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	881	}
940	}	882	}
941	} else {	883	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		886
945	cf::override;	887	cf::override;
946	},	888	},
947	);	889	);
948		890
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	891	sub load_extension {
956	my ($path) = @_;	892	my ($path) = @_;
957		893
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	895	my $base = $1;
960	my $pkg = $1;	896	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
963		899
964	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
965		901
966	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
967	or die "$path: $!";	903	or die "$path: $!";
968		904
969	my $source =	905	my $source =
970	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
973	. "\n};\n1";	909	. "\n};\n1";
974		910
975	eval $source	911	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	913	: "extension disabled.\n";
978		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	915	warn $@;
980	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
981		917	exit 1;
982	# no strict 'refs';	918	}
983	# @{"$pkg\::ISA"} = ext::;	919	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	# }	920	}
998		921
999	# remove commands	922	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	}	923	}
1024		924
1025	sub load_extensions {	925	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	927	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1032	}	932	}
1033	}	933	}
1034		934
1035	#############################################################################	935	#############################################################################
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		936
1073	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1074		938
1075	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1076		940
1077	=cut	941	=cut
1078		942
1079	package cf::player;	943	package cf::player;
1080		944
		945	use Coro::AIO;
		946
1081	=head3 cf::player	947	=head3 cf::player
1082		948
1083	=over 4	949	=over 4
1084		950
1085	=item cf::player::find $login	951	=item cf::player::find $login
1086		952
1087	Returns the given player object, loading it if necessary (might block).	953	Returns the given player object, loading it if necessary (might block).
1088		954
1089	=cut	955	=cut
1090		956
		957	sub playerdir($) {
		958	cf::localdir
		959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		963	}
		964
1091	sub path($) {	965	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	967
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	968	(playerdir $login) . "/$login.pl"
1095	}	969	}
1096		970
1097	sub find_active($) {	971	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	972	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	973	and $cf::PLAYER{$_[0]}->active
…		…
1102		976
1103	sub exists($) {	977	sub exists($) {
1104	my ($login) = @_;	978	my ($login) = @_;
1105		979
1106	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1108	}	982	}
1109		983
1110	sub find($) {	984	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	986	my $login = $_[0];
1113		987
1114	my $guard = cf::lock_acquire "user_find:$login";	988	my $guard = cf::lock_acquire "user_find:$login";
1115		989
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
1117	};	995	}
1118	}	996	}
1119		997
1120	sub save($) {	998	sub save($) {
1121	my ($pl) = @_;	999	my ($pl) = @_;
1122		1000
…		…
1124		1002
1125	my $path = path $pl;	1003	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1004	my $guard = cf::lock_acquire "user_save:$path";
1127		1005
1128	return if $pl->{deny_save};	1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1009	$pl->{last_save} = $cf::RUNTIME;
1130		1010
1131	Coro::cede;
1132	$pl->save_pl ($path);	1011	$pl->save_pl ($path);
1133	Coro::cede;	1012	Coro::cede;
1134	}	1013	}
1135		1014
1136	sub new($) {	1015	sub new($) {
…		…
1144	$cf::PLAYER{$login} = $self;	1023	$cf::PLAYER{$login} = $self;
1145		1024
1146	$self	1025	$self
1147	}	1026	}
1148		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
		1127	}
		1128
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1150		1130
1151	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1152		1132
1153	=cut	1133	=cut
1154		1134
1155	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1156	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1157		1137
1158	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1159		1139
1160	$self->send ("ext " . cf::to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
1161	}	1153	}
1162		1154
1163	package cf;	1155	package cf;
1164		1156
1165	=back	1157	=back
…		…
1174	package cf::map;	1166	package cf::map;
1175		1167
1176	use Fcntl;	1168	use Fcntl;
1177	use Coro::AIO;	1169	use Coro::AIO;
1178		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1179	our $MAX_RESET = 3600;	1175	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1176	our $DEFAULT_RESET = 3000;
1181		1177
1182	sub generate_random_map {	1178	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1184
1185	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1181	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(cf::region::find $rmp->{region})	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
		1193	)
		1194	}
		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1199	}	1323	}
1200		1324
1201	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1202	# all maps in C++...	1326	# all maps in C++...
1203	sub change_all_map_light {	1327	sub change_all_map_light {
…		…
1205		1329
1206	$_->change_map_light ($change)	1330	$_->change_map_light ($change)
1207	for grep $_->outdoor, values %cf::MAP;	1331	for grep $_->outdoor, values %cf::MAP;
1208	}	1332	}
1209		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1210	sub try_load_header($) {	1342	sub load_header_from($) {
1211	my ($path) = @_;	1343	my ($self, $path) = @_;
1212		1344
1213	utf8::encode $path;	1345	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1215	or return;	1350	or return;
1216		1351
1217	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1218	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1219		1398
1220	# for better error messages only, will be overwritten	1399	1
1221	$map->path ($path);
1222
1223	$map->load_header ($path)
1224	or return;
1225
1226	$map->{load_path} = $path;
1227
1228	$map
1229	}	1400	}
1230		1401
1231	sub find;	1402	sub find;
1232	sub find {	1403	sub find {
1233	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1234		1405
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1407
1240	cf::lock_wait "map_find:$key";	1408	cf::lock_wait "map_find:$path";
1241		1409
1242	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1411	my $guard = cf::lock_acquire "map_find:$path";
1244		1412	my $map = new_from_path cf::map $path
1245	# do it the slow way
1246	my $map = try_load_header $path->save_path;
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1413	or return;
1264		1414
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1415	$map->{last_save} = $cf::RUNTIME;
1277		1416
1278	Coro::cede;	1417	$map->load_header
		1418	or return;
1279		1419
1280	if ($map->should_reset) {	1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1281	$map->reset;	1423	$map->reset;
1282	undef $guard;	1424	undef $guard;
1283	$map = find $path	1425	return find $path;
1284	or return;
1285	}	1426	}
1286		1427
1287	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1288	}	1429	}
1289	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1290		1434
1291	sub load {	1435	sub load {
1292	my ($self) = @_;	1436	my ($self) = @_;
1293		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
1294	my $path = $self->{path};	1440	my $path = $self->{path};
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1441	my $guard = cf::lock_acquire "map_load:$path";
1296		1442
1297	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1298		1444
1299	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1300		1446
1301	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1302	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1303	or return;	1452	or return;
1304		1453
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306	if delete $self->{load_original};	1455	if delete $self->{load_original};
1307		1456
1308	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	1458	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1311	$self->clear_unique_items;	1460	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1313	}	1462	}
1314	}	1463	}
1315		1464
1316	Coro::cede;	1465	Coro::cede;
1317		1466
1318	# now do the right thing for maps	1467	# now do the right thing for maps
1319	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1320		1469
1321	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1322	$self->{deny_save} = 1;	1471	$self->decay_objects;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1328	$self->set_darkness_map;	1475	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1331	$self->activate;	1479	$self->activate;
1332	}	1480	}
1333		1481
1334	Coro::cede;	1482	$self->post_load;
1335		1483
1336	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
		1485	}
		1486
		1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
		1494	}
		1495
		1496	# find and load all maps in the 3x3 area around a map
		1497	sub load_diag {
		1498	my ($map) = @_;
		1499
		1500	my @diag; # diagonal neighbours
		1501
		1502	for (0 .. 3) {
		1503	my $neigh = $map->tile_path ($_)
		1504	or next;
		1505	$neigh = find $neigh, $map
		1506	or next;
		1507	$neigh->load;
		1508
		1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1511	}
		1512
		1513	for (@diag) {
		1514	my $neigh = find @$_
		1515	or next;
		1516	$neigh->load;
		1517	}
1337	}	1518	}
1338		1519
1339	sub find_sync {	1520	sub find_sync {
1340	my ($path, $origin) = @_;	1521	my ($path, $origin) = @_;
1341		1522
1342	cf::sync_job { cf::map::find $path, $origin }	1523	cf::sync_job { find $path, $origin }
1343	}	1524	}
1344		1525
1345	sub do_load_sync {	1526	sub do_load_sync {
1346	my ($map) = @_;	1527	my ($map) = @_;
1347		1528
1348	cf::sync_job { $map->load };	1529	cf::sync_job { $map->load };
1349	}	1530	}
1350		1531
		1532	our %MAP_PREFETCH;
		1533	our $MAP_PREFETCHER = undef;
		1534
		1535	sub find_async {
		1536	my ($path, $origin) = @_;
		1537
		1538	$path = normalise $path, $origin && $origin->{path};
		1539
		1540	if (my $map = $cf::MAP{$path}) {
		1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1542	}
		1543
		1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
		1550	$map->load;
		1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
		1556	};
		1557	$MAP_PREFETCHER->prio (6);
		1558
		1559	()
		1560	}
		1561
1351	sub save {	1562	sub save {
1352	my ($self) = @_;	1563	my ($self) = @_;
1353		1564
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
1355		1566
1356	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1357		1568
1358	return unless $self->dirty;	1569	return unless $self->dirty;
1359		1570
1360	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		1573
1363	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1364		1575
1365	return if $self->{deny_save};	1576	return if $self->{deny_save};
1366		1577
…		…
1369	cf::async {	1580	cf::async {
1370	$_->contr->save for $self->players;	1581	$_->contr->save for $self->players;
1371	};	1582	};
1372		1583
1373	if ($uniq) {	1584	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	1587	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	1589	}
1379	}	1590	}
1380		1591
1381	sub swap_out {	1592	sub swap_out {
1382	my ($self) = @_;	1593	my ($self) = @_;
…		…
1396		1607
1397	sub reset_at {	1608	sub reset_at {
1398	my ($self) = @_;	1609	my ($self) = @_;
1399		1610
1400	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1402	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1403		1614
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		1617
…		…
1411	my ($self) = @_;	1622	my ($self) = @_;
1412		1623
1413	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1414	}	1625	}
1415		1626
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	1627	sub reset {
1438	my ($self) = @_;	1628	my ($self) = @_;
1439		1629
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		1631
1442	return if $self->players;	1632	return if $self->players;
1443	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1444		1634
1445	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1446		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1447	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1448		1650
1449	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1450		1652
1451	$self->unlink_save;	1653	$self->unlink_save;
1452	$self->destroy;	1654	$self->destroy;
…		…
1455	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1456		1658
1457	sub nuke {	1659	sub nuke {
1458	my ($self) = @_;	1660	my ($self) = @_;
1459		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1463	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1464	}	1675	}
1465		1676
1466	sub customise_for {	1677	=item cf::map::unique_maps
1467	my ($map, $ob) = @_;
1468		1678
1469	if ($map->per_player) {	1679	Returns an arrayref of paths of all shared maps that have
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1680	instantiated unique items. May block.
1471	}
1472		1681
1473	$map	1682	=cut
1474	}
1475		1683
1476	sub emergency_save {	1684	sub unique_maps() {
1477	my $freeze_guard = cf::freeze_mainloop;	1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1686	or return;
1478		1687
1479	warn "enter emergency map save\n";	1688	my @paths;
1480		1689
1481	cf::sync_job {	1690	for (@$files) {
1482	warn "begin emergency map save\n";	1691	utf8::decode $_;
1483	$_->save for values %cf::MAP;	1692	next if /\.pst$/;
		1693	next unless /^$PATH_SEP/o;
		1694
		1695	push @paths, cf::map::normalise $_;
1484	};	1696	}
1485		1697
1486	warn "end emergency map save\n";	1698	\@paths
1487	}	1699	}
1488		1700
1489	package cf;	1701	package cf;
1490		1702
1491	=back	1703	=back
1492		1704
		1705	=head3 cf::object
		1706
		1707	=cut
		1708
		1709	package cf::object;
		1710
		1711	=over 4
		1712
		1713	=item $ob->inv_recursive
		1714
		1715	Returns the inventory of the object _and_ their inventories, recursively.
		1716
		1717	=cut
		1718
		1719	sub inv_recursive_;
		1720	sub inv_recursive_ {
		1721	map { $_, inv_recursive_ $_->inv } @_
		1722	}
		1723
		1724	sub inv_recursive {
		1725	inv_recursive_ inv $_[0]
		1726	}
		1727
		1728	package cf;
		1729
		1730	=back
1493		1731
1494	=head3 cf::object::player	1732	=head3 cf::object::player
1495		1733
1496	=over 4	1734	=over 4
1497		1735
…		…
1537		1775
1538	=item $player_object->enter_link	1776	=item $player_object->enter_link
1539		1777
1540	Freezes the player and moves him/her to a special map (C<{link}>).	1778	Freezes the player and moves him/her to a special map (C<{link}>).
1541		1779
1542	The player should be reaosnably safe there for short amounts of time. You	1780	The player should be reasonably safe there for short amounts of time. You
1543	I<MUST> call C<leave_link> as soon as possible, though.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1544		1782
		1783	Will never block.
		1784
1545	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1546		1786
1547	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1548	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1549	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1550	to the emergency map position.	1790	fails, to the emergency map position.
1551		1791
1552	Might block.	1792	Might block.
1553		1793
1554	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
1555		1805
1556	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1557	my ($self) = @_;	1807	my ($self) = @_;
1558		1808
1559	$self->deactivate_recursive;	1809	$self->deactivate_recursive;
1560		1810
1561	return if $self->map == $LINK_MAP;	1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
1562		1812
1563	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564	if $self->map;	1814	if $self->map;
1565		1815
1566	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1567	}	1817	}
1568		1818
1569	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1570	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1571		1821
…		…
1589	# use -1 or undef as default coordinates, not 0, 0	1839	# use -1 or undef as default coordinates, not 0, 0
1590	($x, $y) = ($map->enter_x, $map->enter_y)	1840	($x, $y) = ($map->enter_x, $map->enter_y)
1591	if $x <=0 && $y <= 0;	1841	if $x <=0 && $y <= 0;
1592		1842
1593	$map->load;	1843	$map->load;
		1844	$map->load_diag;
1594		1845
1595	return unless $self->contr->active;	1846	return unless $self->contr->active;
1596	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1597	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1598	}	1851	}
1599		1852
1600	cf::player->attach (	1853	cf::player->attach (
1601	on_logout => sub {	1854	on_logout => sub {
…		…
1614	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1615	# should happen only on crashes	1868	# should happen only on crashes
1616	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1617	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1618	(async {	1871	(async {
1619	# we need this sleep as the login has a concurrent enter_exit running
1620	# and this sleep increases chances of the player not ending up in scorn
1621	$pl->ob->reply (undef,	1872	$pl->ob->reply (undef,
1622	"There was an internal problem at your last logout, "	1873	"There was an internal problem at your last logout, "
1623	. "the server will try to bring you to your intended destination in a second.",	1874	. "the server will try to bring you to your intended destination in a second.",
1624	cf::NDI_RED);	1875	cf::NDI_RED);
		1876	# we need this sleep as the login has a concurrent enter_exit running
		1877	# and this sleep increases chances of the player not ending up in scorn
1625	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1626	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1627	})->prio (2);	1880	})->prio (2);
1628	}	1881	}
1629	},	1882	},
…		…
1637	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1638		1891
1639	$self->enter_link;	1892	$self->enter_link;
1640		1893
1641	(async {	1894	(async {
1642	$path = new cf::path $path;	1895	my $map = eval {
1643
1644	my $map = cf::map::find $path->as_string;	1896	my $map = cf::map::find $path;
1645	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1646		1898	$map
1647	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} or
1648	# if $map;
1649
1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1651		1901
1652	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1653	})->prio (1);	1903	})->prio (1);
1654	}	1904	}
1655		1905
…		…
1659		1909
1660	sub parse_random_map_params {	1910	sub parse_random_map_params {
1661	my ($spec) = @_;	1911	my ($spec) = @_;
1662		1912
1663	my $rmp = { # defaults	1913	my $rmp = { # defaults
1664	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1665	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1666	};	1918	};
1667		1919
1668	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1669	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1670		1922
…		…
1674	$rmp	1926	$rmp
1675	}	1927	}
1676		1928
1677	sub prepare_random_map {	1929	sub prepare_random_map {
1678	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1679		1933
1680	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1681	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1682	# that depends on the exit object	1936	# that depends on the exit object
1683		1937
1684	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1685		1939
1686	if ($exit->map) {	1940	if ($exit->map) {
1687	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1688	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1689	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1690	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1691	}	1945	}
1692		1946
1693	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1694		1948
1695	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1696	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1697		1952
1698	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1699	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1700		1957
1701	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1702	$exit->msg (undef);	1959	$exit->msg (undef);
1703	}	1960	}
1704	}	1961	}
1705		1962
1706	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1707	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1708		1965
1709	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	cf::sync_job { prepare_random_map $exit };
		1971	}
		1972
		1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1974	my $hp = $exit->stats->hp;
		1975	my $sp = $exit->stats->sp;
1710		1976
1711	$self->enter_link;	1977	$self->enter_link;
1712		1978
1713	(async {	1979	(async {
1714	$self->deactivate_recursive; # just to be sure	1980	$self->deactivate_recursive; # just to be sure
1715	unless (eval {	1981	unless (eval {
1716	prepare_random_map $exit	1982	$self->goto ($slaying, $hp, $sp);
1717	if $exit->slaying eq "/!";
1718
1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1721		1983
1722	1;	1984	1;
1723	}) {	1985	}) {
1724	$self->message ("Something went wrong deep within the crossfire server. "	1986	$self->message ("Something went wrong deep within the crossfire server. "
1725	. "I'll try to bring you back to the map you were before. "	1987	. "I'll try to bring you back to the map you were before. "
1726	. "Please report this to the dungeon master",	1988	. "Please report this to the dungeon master!",
1727	cf::NDI_UNIQUE | cf::NDI_RED);	1989	cf::NDI_UNIQUE | cf::NDI_RED);
1728		1990
1729	warn "ERROR in enter_exit: $@";	1991	warn "ERROR in enter_exit: $@";
1730	$self->leave_link;	1992	$self->leave_link;
1731	}	1993	}
…		…
1745		2007
1746	sub cf::client::send_drawinfo {	2008	sub cf::client::send_drawinfo {
1747	my ($self, $text, $flags) = @_;	2009	my ($self, $text, $flags) = @_;
1748		2010
1749	utf8::encode $text;	2011	utf8::encode $text;
1750	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1751	}	2013	}
1752		2014
		2015	=item $client->ext_event ($type, %msg)
		2016
		2017	Sends an exti event to the client.
		2018
		2019	=cut
		2020
		2021	sub cf::client::ext_event($$%) {
		2022	my ($self, $type, %msg) = @_;
		2023
		2024	$msg{msgtype} = "event_$type";
		2025	$self->send_packet ("ext " . cf::to_json \%msg);
		2026	}
1753		2027
1754	=item $success = $client->query ($flags, "text", \&cb)	2028	=item $success = $client->query ($flags, "text", \&cb)
1755		2029
1756	Queues a query to the client, calling the given callback with	2030	Queues a query to the client, calling the given callback with
1757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1786	# get handled first	2060	# get handled first
1787	my $queue = delete $ns->{query_queue}	2061	my $queue = delete $ns->{query_queue}
1788	or return; # be conservative, not sure how that can happen, but we saw a crash here	2062	or return; # be conservative, not sure how that can happen, but we saw a crash here
1789		2063
1790	(shift @$queue)->[1]->($msg);	2064	(shift @$queue)->[1]->($msg);
		2065	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791		2066
1792	push @{ $ns->{query_queue} }, @$queue;	2067	push @{ $ns->{query_queue} }, @$queue;
1793		2068
1794	if (@{ $ns->{query_queue} } == @$queue) {	2069	if (@{ $ns->{query_queue} } == @$queue) {
1795	if (@$queue) {	2070	if (@$queue) {
…		…
1853		2128
1854	# here we export the classes and methods available to script code	2129	# here we export the classes and methods available to script code
1855		2130
1856	=pod	2131	=pod
1857		2132
1858	The following fucntions and emthods are available within a safe environment:	2133	The following functions and methods are available within a safe environment:
1859		2134
1860	cf::object contr pay_amount pay_player map	2135	cf::object contr pay_amount pay_player map
1861	cf::object::player player	2136	cf::object::player player
1862	cf::player peaceful	2137	cf::player peaceful
1863	cf::map trigger	2138	cf::map trigger
…		…
1956	The parameter C<$family> should best start with the name of the extension	2231	The parameter C<$family> should best start with the name of the extension
1957	using it, it should be unique.	2232	using it, it should be unique.
1958		2233
1959	=over 4	2234	=over 4
1960		2235
1961	=item $hashref = cf::db_get $family
1962
1963	Return a hashref for use by the extension C<$family>, which can be
1964	modified. After modifications, you have to call C<cf::db_dirty> or
1965	C<cf::db_sync>.
1966
1967	=item $value = cf::db_get $family => $key	2236	=item $value = cf::db_get $family => $key
1968		2237
1969	Returns a single value from the database	2238	Returns a single value from the database.
1970
1971	=item cf::db_put $family => $hashref
1972
1973	Stores the given family hashref into the database. Updates are delayed, if
1974	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1975		2239
1976	=item cf::db_put $family => $key => $value	2240	=item cf::db_put $family => $key => $value
1977		2241
1978	Stores the given C<$value> in the family hash. Updates are delayed, if you	2242	Stores the given C<$value> in the family.
1979	want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981	=item cf::db_dirty
1982
1983	Marks the database as dirty, to be updated at a later time.
1984
1985	=item cf::db_sync
1986
1987	Immediately write the database to disk I<if it is dirty>.
1988		2243
1989	=cut	2244	=cut
1990		2245
1991	our $DB;	2246	our $DB;
1992		2247
1993	{	2248	sub db_init {
		2249	unless ($DB) {
		2250	$DB = BDB::db_create $DB_ENV;
		2251
		2252	cf::sync_job {
		2253	eval {
		2254	$DB->set_flags (BDB::CHKSUM);
		2255
		2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2258	cf::cleanup "db_open(db): $!" if $!;
		2259	};
		2260	cf::cleanup "db_open(db): $@" if $@;
		2261	};
		2262
1994	my $path = cf::localdir . "/database.pst";	2263	my $path = cf::localdir . "/database.pst";
		2264	if (stat $path) {
		2265	cf::sync_job {
		2266	my $pst = Storable::retrieve $path;
1995		2267
1996	sub db_load() {	2268	cf::db_put (board => data => $pst->{board});
1997	$DB = stat $path ? Storable::retrieve $path : { };	2269	cf::db_put (guildrules => data => $pst->{guildrules});
1998	}	2270	cf::db_put (rent => balance => $pst->{rent}{balance});
		2271	BDB::db_env_txn_checkpoint $DB_ENV;
1999		2272
2000	my $pid;	2273	unlink $path;
2001
2002	sub db_save() {
2003	waitpid $pid, 0 if $pid;
2004	if (0 == ($pid = fork)) {
2005	$DB->{_meta}{version} = 1;
2006	Storable::nstore $DB, "$path~";
2007	rename "$path~", $path;
2008	cf::_exit 0 if defined $pid;
2009	}	2274	};
2010	}	2275	}
2011
2012	my $dirty;
2013
2014	sub db_sync() {
2015	db_save if $dirty;
2016	undef $dirty;
2017	}
2018
2019	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2020	db_sync;
2021	});	2276	}
		2277	}
2022		2278
2023	sub db_dirty() {
2024	$dirty = 1;
2025	$idle->start;
2026	}
2027
2028	sub db_get($;$) {	2279	sub db_get($$) {
2029	@_ >= 2	2280	my $key = "$_[0]/$_[1]";
2030	? $DB->{$_[0]}{$_[1]}
2031	: ($DB->{$_[0]} ||= { })
2032	}
2033		2281
		2282	cf::sync_job {
		2283	BDB::db_get $DB, undef, $key, my $data;
		2284
		2285	$! ? ()
		2286	: Compress::LZF::sthaw $data
		2287	}
		2288	}
		2289
2034	sub db_put($$;$) {	2290	sub db_put($$$) {
2035	if (@_ >= 3) {	2291	BDB::dbreq_pri 4;
2036	$DB->{$_[0]}{$_[1]} = $_[2];	2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2293	}
		2294
		2295	#############################################################################
		2296	# the server's init and main functions
		2297
		2298	sub load_facedata {
		2299	my $path = sprintf "%s/facedata", cf::datadir;
		2300
		2301	warn "loading facedata from $path\n";
		2302
		2303	my $faces;
		2304	0 < aio_load $path, $faces
		2305	or die "$path: $!";
		2306
		2307	Coro::cede;
		2308	$faces = Storable::thaw $faces;
		2309	Coro::cede;
		2310
		2311	my $meta = delete $faces->{""};
		2312	$meta->{version} == 1
		2313	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2320	Coro::cede;
		2321	}
		2322
		2323	while (my ($face, $info) = each %$faces) {
		2324	next unless $info->{smooth};
		2325	my $idx = cf::face::find $face
		2326	or next;
		2327	if (my $smooth = cf::face::find $info->{smooth}) {
		2328	cf::face::set_smooth $idx, $smooth;
2037	} else {	2329	} else {
2038	$DB->{$_[0]} = $_[1];	2330	warn "smooth face '$info->{smooth}' not found for face '$face'";
2039	}
2040	db_dirty;
2041	}
2042
2043	cf::global->attach (
2044	prio => 10000,
2045	on_cleanup => sub {
2046	db_sync;
2047	},	2331	}
2048	);	2332	Coro::cede;
2049	}	2333	}
2050		2334
2051	#############################################################################	2335	1
2052	# the server's main()	2336	}
		2337
		2338	sub reload_resources {
		2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2340	or die "unable to load regions file\n";#d#
		2341	load_facedata
		2342	or die "unable to load facedata\n";#d#
		2343	}
		2344
		2345	sub init {
		2346	reload_resources;
		2347	}
2053		2348
2054	sub cfg_load {	2349	sub cfg_load {
2055	open my $fh, "<:utf8", cf::confdir . "/config"	2350	open my $fh, "<:utf8", cf::confdir . "/config"
2056	or return;	2351	or return;
2057		2352
…		…
2063	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2064	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2065		2360
2066	if (exists $CFG{mlockall}) {	2361	if (exists $CFG{mlockall}) {
2067	eval {	2362	eval {
2068	$CFG{mlockall} ? &mlockall : &munlockall	2363	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069	and die "WARNING: m(un)lockall failed: $!\n";	2364	and die "WARNING: m(un)lockall failed: $!\n";
2070	};	2365	};
2071	warn $@ if $@;	2366	warn $@ if $@;
2072	}	2367	}
2073	}	2368	}
2074		2369
2075	sub main {	2370	sub main {
2076	# we must not ever block the main coroutine	2371	# we must not ever block the main coroutine
2077	local $Coro::idle = sub {	2372	local $Coro::idle = sub {
2078	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2374	(async {
2079	async { Event::one_event };	2375	Event::one_event;
		2376	})->prio (Coro::PRIO_MAX);
2080	};	2377	};
2081		2378
2082	cfg_load;	2379	cfg_load;
2083	db_load;	2380	db_init;
2084	load_extensions;	2381	load_extensions;
		2382
		2383	$TICK_WATCHER->start;
2085	Event::loop;	2384	Event::loop;
2086	}	2385	}
2087		2386
2088	#############################################################################	2387	#############################################################################
2089	# initialisation	2388	# initialisation and cleanup
		2389
		2390	# install some emergency cleanup handlers
		2391	BEGIN {
		2392	for my $signal (qw(INT HUP TERM)) {
		2393	Event->signal (
		2394	reentrant => 0,
		2395	data => WF_AUTOCANCEL,
		2396	signal => $signal,
		2397	prio => 0,
		2398	cb => sub {
		2399	cf::cleanup "SIG$signal";
		2400	},
		2401	);
		2402	}
		2403	}
		2404
		2405	sub emergency_save() {
		2406	my $freeze_guard = cf::freeze_mainloop;
		2407
		2408	warn "enter emergency perl save\n";
		2409
		2410	cf::sync_job {
		2411	# use a peculiar iteration method to avoid tripping on perl
		2412	# refcount bugs in for. also avoids problems with players
		2413	# and maps saved/destroyed asynchronously.
		2414	warn "begin emergency player save\n";
		2415	for my $login (keys %cf::PLAYER) {
		2416	my $pl = $cf::PLAYER{$login} or next;
		2417	$pl->valid or next;
		2418	$pl->save;
		2419	}
		2420	warn "end emergency player save\n";
		2421
		2422	warn "begin emergency map save\n";
		2423	for my $path (keys %cf::MAP) {
		2424	my $map = $cf::MAP{$path} or next;
		2425	$map->valid or next;
		2426	$map->save;
		2427	}
		2428	warn "end emergency map save\n";
		2429
		2430	warn "begin emergency database checkpoint\n";
		2431	BDB::db_env_txn_checkpoint $DB_ENV;
		2432	warn "end emergency database checkpoint\n";
		2433	};
		2434
		2435	warn "leave emergency perl save\n";
		2436	}
		2437
		2438	sub post_cleanup {
		2439	my ($make_core) = @_;
		2440
		2441	warn Carp::longmess "post_cleanup backtrace"
		2442	if $make_core;
		2443	}
2090		2444
2091	sub reload() {	2445	sub reload() {
2092	# can/must only be called in main	2446	# can/must only be called in main
2093	if ($Coro::current != $Coro::main) {	2447	if ($Coro::current != $Coro::main) {
2094	warn "can only reload from main coroutine\n";	2448	warn "can only reload from main coroutine";
2095	return;	2449	return;
2096	}	2450	}
2097		2451
2098	warn "reloading...";	2452	warn "reloading...";
2099		2453
2100	my $guard = freeze_mainloop;	2454	warn "entering sync_job";
		2455
		2456	cf::sync_job {
		2457	cf::write_runtime; # external watchdog should not bark
2101	cf::emergency_save;	2458	cf::emergency_save;
		2459	cf::write_runtime; # external watchdog should not bark
2102		2460
2103	eval {	2461	warn "syncing database to disk";
		2462	BDB::db_env_txn_checkpoint $DB_ENV;
		2463
2104	# if anything goes wrong in here, we should simply crash as we already saved	2464	# if anything goes wrong in here, we should simply crash as we already saved
2105		2465
2106	# cancel all watchers	2466	warn "cancelling all WF_AUTOCANCEL watchers";
2107	for (Event::all_watchers) {	2467	for (Event::all_watchers) {
2108	$_->cancel if $_->data & WF_AUTOCANCEL;	2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2109	}	2469	}
2110		2470
		2471	warn "flushing outstanding aio requests";
		2472	for (;;) {
		2473	BDB::flush;
		2474	IO::AIO::flush;
		2475	Coro::cede;
		2476	last unless IO::AIO::nreqs || BDB::nreqs;
		2477	warn "iterate...";
		2478	}
		2479
		2480	++$RELOAD;
		2481
2111	# cancel all extension coros	2482	warn "cancelling all extension coros";
2112	$_->cancel for values %EXT_CORO;	2483	$_->cancel for values %EXT_CORO;
2113	%EXT_CORO = ();	2484	%EXT_CORO = ();
2114		2485
2115	# unload all extensions	2486	warn "removing commands";
2116	for (@exts) {	2487	%COMMAND = ();
		2488
		2489	warn "removing ext commands";
		2490	%EXTCMD = ();
		2491
		2492	warn "unloading/nuking all extensions";
		2493	for my $pkg (@EXTS) {
2117	warn "unloading <$_>";	2494	warn "... unloading $pkg";
2118	unload_extension $_;	2495
		2496	if (my $cb = $pkg->can ("unload")) {
		2497	eval {
		2498	$cb->($pkg);
		2499	1
		2500	} or warn "$pkg unloaded, but with errors: $@";
2119	}	2501	}
2120		2502
		2503	warn "... nuking $pkg";
		2504	Symbol::delete_package $pkg;
		2505	}
		2506
2121	# unload all modules loaded from $LIBDIR	2507	warn "unloading all perl modules loaded from $LIBDIR";
2122	while (my ($k, $v) = each %INC) {	2508	while (my ($k, $v) = each %INC) {
2123	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2124		2510
2125	warn "removing <$k>";	2511	warn "... unloading $k";
2126	delete $INC{$k};	2512	delete $INC{$k};
2127		2513
2128	$k =~ s/\.pm$//;	2514	$k =~ s/\.pm$//;
2129	$k =~ s/\//::/g;	2515	$k =~ s/\//::/g;
2130		2516
…		…
2133	}	2519	}
2134		2520
2135	Symbol::delete_package $k;	2521	Symbol::delete_package $k;
2136	}	2522	}
2137		2523
2138	# sync database to disk
2139	cf::db_sync;
2140	IO::AIO::flush;
2141
2142	# get rid of safe::, as good as possible	2524	warn "getting rid of safe::, as good as possible";
2143	Symbol::delete_package "safe::$_"	2525	Symbol::delete_package "safe::$_"
2144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2145		2527
2146	# remove register_script_function callbacks
2147	# TODO
2148
2149	# unload cf.pm "a bit"	2528	warn "unloading cf.pm \"a bit\"";
2150	delete $INC{"cf.pm"};	2529	delete $INC{"cf.pm"};
2151		2530
2152	# don't, removes xs symbols, too,	2531	# don't, removes xs symbols, too,
2153	# and global variables created in xs	2532	# and global variables created in xs
2154	#Symbol::delete_package __PACKAGE__;	2533	#Symbol::delete_package __PACKAGE__;
2155		2534
2156	# reload cf.pm	2535	warn "unload completed, starting to reload now";
		2536
2157	warn "reloading cf.pm";	2537	warn "reloading cf.pm";
2158	require cf;	2538	require cf;
2159	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2160		2540
2161	# load config and database again	2541	warn "loading config and database again";
2162	cf::cfg_load;	2542	cf::cfg_load;
2163	cf::db_load;
2164		2543
2165	# load extensions
2166	warn "load extensions";	2544	warn "loading extensions";
2167	cf::load_extensions;	2545	cf::load_extensions;
2168		2546
2169	# reattach attachments to objects	2547	warn "reattaching attachments to objects/players";
2170	warn "reattach";	2548	_global_reattach; # objects, sockets
2171	_global_reattach;	2549	warn "reattaching attachments to maps";
2172	};	2550	reattach $_ for values %MAP;
		2551	warn "reattaching attachments to players";
		2552	reattach $_ for values %PLAYER;
2173		2553
2174	if ($@) {	2554	warn "loading reloadable resources";
		2555	reload_resources;
		2556
		2557	warn "leaving sync_job";
		2558
		2559	1
		2560	} or do {
2175	warn $@;	2561	warn $@;
2176	warn "error while reloading, exiting.";	2562	warn "error while reloading, exiting.";
2177	exit 1;	2563	exit 1;
2178	}	2564	};
2179		2565
2180	warn "reloaded successfully";	2566	warn "reloaded";
2181	};	2567	};
2182		2568
2183	#############################################################################	2569	our $RELOAD_WATCHER; # used only during reload
2184
2185	unless ($LINK_MAP) {
2186	$LINK_MAP = cf::map::new;
2187
2188	$LINK_MAP->width (41);
2189	$LINK_MAP->height (41);
2190	$LINK_MAP->alloc;
2191	$LINK_MAP->path ("{link}");
2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195	# dirty hack because... archetypes are not yet loaded
2196	Event->timer (
2197	after => 10,
2198	cb => sub {
2199	$_[0]->w->cancel;
2200
2201	# provide some exits "home"
2202	my $exit = cf::object::new "exit";
2203
2204	$exit->slaying ($EMERGENCY_POSITION->[0]);
2205	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208	$LINK_MAP->insert ($exit->clone, 19, 19);
2209	$LINK_MAP->insert ($exit->clone, 19, 20);
2210	$LINK_MAP->insert ($exit->clone, 19, 21);
2211	$LINK_MAP->insert ($exit->clone, 20, 19);
2212	$LINK_MAP->insert ($exit->clone, 20, 21);
2213	$LINK_MAP->insert ($exit->clone, 21, 19);
2214	$LINK_MAP->insert ($exit->clone, 21, 20);
2215	$LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217	$exit->destroy;
2218	});
2219
2220	$LINK_MAP->{deny_save} = 1;
2221	$LINK_MAP->{deny_reset} = 1;
2222
2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224	}
2225
2226	register "<global>", __PACKAGE__;
2227		2570
2228	register_command "reload" => sub {	2571	register_command "reload" => sub {
2229	my ($who, $arg) = @_;	2572	my ($who, $arg) = @_;
2230		2573
2231	if ($who->flag (FLAG_WIZ)) {	2574	if ($who->flag (FLAG_WIZ)) {
2232	$who->message ("start of reload.");	2575	$who->message ("reloading server.");
		2576
		2577	# doing reload synchronously and two reloads happen back-to-back,
		2578	# coro crashes during coro_state_free->destroy here.
		2579
		2580	$RELOAD_WATCHER ||= Event->timer (
		2581	reentrant => 0,
		2582	after => 0,
		2583	data => WF_AUTOCANCEL,
		2584	cb => sub {
2233	reload;	2585	reload;
2234	$who->message ("end of reload.");	2586	undef $RELOAD_WATCHER;
		2587	},
		2588	);
2235	}	2589	}
2236	};	2590	};
2237		2591
2238	unshift @INC, $LIBDIR;	2592	unshift @INC, $LIBDIR;
		2593
		2594	my $bug_warning = 0;
2239		2595
2240	$TICK_WATCHER = Event->timer (	2596	$TICK_WATCHER = Event->timer (
2241	reentrant => 0,	2597	reentrant => 0,
		2598	parked => 1,
2242	prio => 0,	2599	prio => 0,
2243	at => $NEXT_TICK || $TICK,	2600	at => $NEXT_TICK || $TICK,
2244	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2245	cb => sub {	2602	cb => sub {
		2603	if ($Coro::current != $Coro::main) {
		2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2605	unless ++$bug_warning > 10;
		2606	return;
		2607	}
		2608
		2609	$NOW = Event::time;
		2610
2246	cf::server_tick; # one server iteration	2611	cf::server_tick; # one server iteration
2247	$RUNTIME += $TICK;	2612	$RUNTIME += $TICK;
2248	$NEXT_TICK += $TICK;	2613	$NEXT_TICK += $TICK;
		2614
		2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2616	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2617	Coro::async_pool {
		2618	write_runtime
		2619	or warn "ERROR: unable to write runtime file: $!";
		2620	};
		2621	}
		2622
		2623	$WAIT_FOR_TICK->broadcast;
		2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2625
		2626	# my $AFTER = Event::time;
		2627	# warn $AFTER - $NOW;#d#
2249		2628
2250	# if we are delayed by four ticks or more, skip them all	2629	# if we are delayed by four ticks or more, skip them all
2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2252		2631
2253	$TICK_WATCHER->at ($NEXT_TICK);	2632	$TICK_WATCHER->at ($NEXT_TICK);
2254	$TICK_WATCHER->start;	2633	$TICK_WATCHER->start;
2255	},	2634	},
2256	);	2635	);
2257		2636
		2637	{
2258	IO::AIO::max_poll_time $TICK * 0.2;	2638	BDB::max_poll_time $TICK * 0.1;
2259		2639	$BDB_POLL_WATCHER = Event->io (
2260	Event->io (	2640	reentrant => 0,
2261	fd => IO::AIO::poll_fileno,	2641	fd => BDB::poll_fileno,
2262	poll => 'r',	2642	poll => 'r',
2263	prio => 5,	2643	prio => 0,
2264	data => WF_AUTOCANCEL,
2265	cb => \&IO::AIO::poll_cb,
2266	);
2267
2268	Event->timer (
2269	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2270	after => 0,	2645	cb => \&BDB::poll_cb,
2271	interval => 10,	2646	);
2272	cb => sub {	2647	BDB::min_parallel 8;
2273	(Coro::unblock_sub {	2648
2274	write_runtime	2649	BDB::set_sync_prepare {
2275	or warn "ERROR: unable to write runtime file: $!";	2650	my $status;
		2651	my $current = $Coro::current;
		2652	(
		2653	sub {
		2654	$status = $!;
		2655	$current->ready; undef $current;
		2656	},
		2657	sub {
		2658	Coro::schedule while defined $current;
		2659	$! = $status;
		2660	},
		2661	)
		2662	};
		2663
		2664	unless ($DB_ENV) {
		2665	$DB_ENV = BDB::db_env_create;
		2666
		2667	cf::sync_job {
		2668	eval {
		2669	BDB::db_env_open
		2670	$DB_ENV,
		2671	$BDB_ENV_DIR,
		2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2674	0666;
		2675
		2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2677
		2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2679	$DB_ENV->set_lk_detect;
		2680	};
		2681
		2682	cf::cleanup "db_env_open(db): $@" if $@;
2276	})->();	2683	};
2277	},	2684	}
2278	);	2685	}
		2686
		2687	{
		2688	IO::AIO::min_parallel 8;
		2689
		2690	undef $Coro::AIO::WATCHER;
		2691	IO::AIO::max_poll_time $TICK * 0.1;
		2692	$AIO_POLL_WATCHER = Event->io (
		2693	reentrant => 0,
		2694	data => WF_AUTOCANCEL,
		2695	fd => IO::AIO::poll_fileno,
		2696	poll => 'r',
		2697	prio => 6,
		2698	cb => \&IO::AIO::poll_cb,
		2699	);
		2700	}
2279		2701
2280	END { cf::emergency_save }	2702	END { cf::emergency_save }
2281		2703
2282	1	2704	1
2283		2705

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