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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.149 by root, Mon Jan 8 14:11:05 2007 UTC vs.
Revision 1.245 by root, Tue Apr 17 10:06:33 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 3.61 ();
		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;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
22	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
52	our %PLAYER; # all users	75	our %PLAYER; # all users
53	our %MAP; # all maps	76	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		83
58	binmode STDOUT;	84	binmode STDOUT;
59	binmode STDERR;	85	binmode STDERR;
60		86
61	# read virtual server time, if available	87	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	94	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
73		100
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
77		104
78	#############################################################################	105	#############################################################################
79		106
80	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
81		108
…		…
105		132
106	=item %cf::CFG	133	=item %cf::CFG
107		134
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
110		143
111	=back	144	=back
112		145
113	=cut	146	=cut
114		147
…		…
146		179
147	$Event::DIED = sub {	180	$Event::DIED = sub {
148	warn "error in event callback: @_";	181	warn "error in event callback: @_";
149	};	182	};
150		183
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
156		185
157	=over 4	186	=over 4
158		187
159	=cut	188	=item dumpval $ref
160		189
		190	=cut
		191
		192	sub dumpval {
		193	eval {
		194	local $SIG{__DIE__};
		195	my $d;
		196	if (1) {
		197	$d = new Data::Dumper([$_[0]], ["*var"]);
		198	$d->Terse(1);
		199	$d->Indent(2);
		200	$d->Quotekeys(0);
		201	$d->Useqq(1);
		202	#$d->Bless(...);
		203	$d->Seen($_[1]) if @_ > 1;
		204	$d = $d->Dump();
		205	}
		206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		207	$d
		208	} || "[unable to dump $_[0]: '$@']";
		209	}
		210
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162		212
163	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
164		214
165	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
166		216
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
175		218
176	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		220
185	=item cf::lock_wait $string	221	=item cf::lock_wait $string
186		222
187	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
188		224
…		…
225	}	261	}
226		262
227	sub freeze_mainloop {	263	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
229		265
230	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
231	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
232	$guard	270	$guard
233	}	271	}
234		272
235	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
287	}	325	}
288	}	326	}
289		327
290	=item $coro = cf::async_ext { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
291		329
292	Like async, but this coro is automcatially being canceled when the	330	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	331	extension calling this is being unloaded.
294		332
295	=cut	333	=cut
296		334
297	sub async_ext(&) {	335	sub async_ext(&) {
…		…
306		344
307	$coro	345	$coro
308	}	346	}
309		347
310	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
311	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
312		352
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	354	or return;
315		355
		356	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	361	and return;
319		362
		363	# always fsync - this file is important
320	aio_fsync $fh	364	aio_fsync $fh
321	and return;	365	and return;
322		366
323	close $fh	367	close $fh
324	or return;	368	or return;
…		…
327	and return;	371	and return;
328		372
329	1	373	1
330	}	374	}
331		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
332	=back	387	=back
333		388
334	=cut	389	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		390
456	#############################################################################	391	#############################################################################
457		392
458	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
459		394
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	521	our @CB_MAP = ();
587		522
588	my %attachment;	523	my %attachment;
589		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
590	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
592		533
593	use sort 'stable';	534	use sort 'stable';
594		535
…		…
765	# object support	706	# object support
766		707
767	sub reattach {	708	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		713
771	my $registry = $obj->registry;	714	my $registry = $obj->registry;
772		715
773	@$registry = ();	716	@$registry = ();
774		717
…		…
821	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
822		765
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	770	close $fh;
828		771
829	if (@$objs) {	772	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	778	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
837	}	780	}
838	} else {	781	} else {
839	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
906	=cut	849	=cut
907		850
908	sub register_extcmd {	851	sub register_extcmd {
909	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
910		853
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
915	}	855	}
916		856
917	cf::player->attach (	857	cf::player->attach (
918	on_command => sub {	858	on_command => sub {
919	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
932		872
933	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
934		874
935	if (ref $msg) {	875	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	879	}
940	}	880	}
941	} else {	881	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		884
945	cf::override;	885	cf::override;
946	},	886	},
947	);	887	);
948		888
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	889	sub load_extension {
956	my ($path) = @_;	890	my ($path) = @_;
957		891
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	893	my $base = $1;
960	my $pkg = $1;	894	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
963		897
964	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
965		899
966	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
967	or die "$path: $!";	901	or die "$path: $!";
968		902
969	my $source =	903	my $source =
970	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
973	. "\n};\n1";	907	. "\n};\n1";
974		908
975	eval $source	909	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	911	: "extension disabled.\n";
978		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	913	warn $@;
980	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
981		915	exit 1;
982	# no strict 'refs';	916	}
983	# @{"$pkg\::ISA"} = ext::;	917	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	# }	918	}
998		919
999	# remove commands	920	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	}	921	}
1024		922
1025	sub load_extensions {	923	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	925	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1032	}	930	}
1033	}	931	}
1034		932
1035	#############################################################################	933	#############################################################################
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		934
1073	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1074		936
1075	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1076		938
1077	=cut	939	=cut
1078		940
1079	package cf::player;	941	package cf::player;
		942
		943	use Coro::AIO;
1080		944
1081	=head3 cf::player	945	=head3 cf::player
1082		946
1083	=over 4	947	=over 4
1084		948
…		…
1097	}	961	}
1098		962
1099	sub path($) {	963	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		965
1102	(playerdir $login) . "/$login.pl"	966	(playerdir $login) . "/playerdata"
1103	}	967	}
1104		968
1105	sub find_active($) {	969	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	970	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	971	and $cf::PLAYER{$_[0]}->active
…		…
1110		974
1111	sub exists($) {	975	sub exists($) {
1112	my ($login) = @_;	976	my ($login) = @_;
1113		977
1114	$cf::PLAYER{$login}	978	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	979	or cf::sync_job { !aio_stat path $login }
1116	}	980	}
1117		981
1118	sub find($) {	982	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	983	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	984	my $login = $_[0];
1121		985
1122	my $guard = cf::lock_acquire "user_find:$login";	986	my $guard = cf::lock_acquire "user_find:$login";
1123		987
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
		996	my $pl = load_pl path $login
		997	or return;
		998	$cf::PLAYER{$login} = $pl
		999	}
1125	};	1000	}
1126	}	1001	}
1127		1002
1128	sub save($) {	1003	sub save($) {
1129	my ($pl) = @_;	1004	my ($pl) = @_;
1130		1005
…		…
1133	my $path = path $pl;	1008	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1009	my $guard = cf::lock_acquire "user_save:$path";
1135		1010
1136	return if $pl->{deny_save};	1011	return if $pl->{deny_save};
1137		1012
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1013	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1014	$pl->{last_save} = $cf::RUNTIME;
1140		1015
1141	$pl->save_pl ($path);	1016	$pl->save_pl ($path);
1142	Coro::cede;	1017	Coro::cede;
1143	}	1018	}
…		…
1153	$cf::PLAYER{$login} = $self;	1028	$cf::PLAYER{$login} = $self;
1154		1029
1155	$self	1030	$self
1156	}	1031	}
1157		1032
		1033	=item $pl->quit_character
		1034
		1035	Nukes the player without looking back. If logged in, the connection will
		1036	be destroyed. May block for a long time.
		1037
		1038	=cut
		1039
1158	sub quit_character {	1040	sub quit_character {
1159	my ($pl) = @_;	1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
1160		1044
1161	$pl->{deny_save} = 1;	1045	$pl->{deny_save} = 1;
1162	$pl->password ("*"); # this should lock out the player until we nuked the dir	1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
1163		1047
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1051	$pl->ns->destroy if $pl->ns;
1168		1052
1169	my $path = playerdir $pl;	1053	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1054	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1055	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1056	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1057	$pl->destroy;
1174		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
1175	IO::AIO::aio_rmtree $temp;	1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
		1079	}
		1080
		1081	=item cf::player::list_logins
		1082
		1083	Returns am arrayref of all valid playernames in the system, can take a
		1084	while and may block, so not sync_job-capable, ever.
		1085
		1086	=cut
		1087
		1088	sub list_logins {
		1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1090	or return [];
		1091
		1092	my @logins;
		1093
		1094	for my $login (@$dirs) {
		1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1096	aio_read $fh, 0, 512, my $buf, 0 or next;
		1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1098
		1099	utf8::decode $login;
		1100	push @logins, $login;
1176	};	1101	}
1177	}
1178		1102
		1103	\@logins
		1104	}
		1105
		1106	=item $player->maps
		1107
		1108	Returns an arrayref of map paths that are private for this
		1109	player. May block.
		1110
		1111	=cut
		1112
		1113	sub maps($) {
		1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
		1118	my $files = aio_readdir playerdir $pl
		1119	or return;
		1120
		1121	my @paths;
		1122
		1123	for (@$files) {
		1124	utf8::decode $_;
		1125	next if /\.(?:pl|pst)$/;
		1126	next unless /^$PATH_SEP/o;
		1127
		1128	push @paths, cf::map::normalise "~$pl/$_";
		1129	}
		1130
		1131	\@paths
		1132	}
		1133
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1180		1135
1181	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1182		1137
1183	=cut	1138	=cut
1184		1139
1185	sub ext_reply($$$%) {	1140	sub ext_reply($$%) {
1186	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1187		1142
1188	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1189		1144
1190	$self->send ("ext " . cf::to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
1191	}	1146	}
1192		1147
1193	package cf;	1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
		1187	}
1194		1188
1195	=back	1189	=back
1196
1197		1190
1198	=head3 cf::map	1191	=head3 cf::map
1199		1192
1200	=over 4	1193	=over 4
1201		1194
…		…
1204	package cf::map;	1197	package cf::map;
1205		1198
1206	use Fcntl;	1199	use Fcntl;
1207	use Coro::AIO;	1200	use Coro::AIO;
1208		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1209	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1211		1208
1212	sub generate_random_map {	1209	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1214
1215	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1212	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1229	}	1354	}
1230		1355
1231	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1232	# all maps in C++...	1357	# all maps in C++...
1233	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1235		1360
1236	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1237	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1238	}	1363	}
1239		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1240	sub try_load_header($) {	1373	sub load_header_from($) {
1241	my ($path) = @_;	1374	my ($self, $path) = @_;
1242		1375
1243	utf8::encode $path;	1376	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1245	or return;	1381	or return;
1246		1382
1247	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1248	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1249		1429
1250	# for better error messages only, will be overwritten	1430	$self->default_region (cf::region::find_by_path $self->{path})
1251	$map->path ($path);	1431	unless $self->default_region;
1252		1432
1253	$map->load_header ($path)	1433	1
1254	or return;
1255
1256	$map->{load_path} = $path;
1257
1258	$map
1259	}	1434	}
1260		1435
1261	sub find;	1436	sub find;
1262	sub find {	1437	sub find {
1263	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1264		1439
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1441
1270	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1271		1443
1272	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1274		1446	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;	1447	or return;
1294		1448
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;	1449	$map->{last_save} = $cf::RUNTIME;
1307		1450
1308	Coro::cede;	1451	$map->load_header
		1452	or return;
1309		1453
1310	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1311	$map->reset;	1457	$map->reset;
1312	undef $guard;	1458	undef $guard;
1313	$map = find $path	1459	return find $path;
1314	or return;
1315	}	1460	}
1316		1461
1317	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1318	}	1463	}
1319	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1320		1468
1321	sub load {	1469	sub load {
1322	my ($self) = @_;	1470	my ($self) = @_;
1323		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1324	my $path = $self->{path};	1474	my $path = $self->{path};
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1326		1476
1327	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1328		1478
1329	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1330		1480
1331	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1332	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1333	or return;	1487	or return;
1334		1488
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336	if delete $self->{load_original};	1490	if delete $self->{load_original};
1337		1491
1338	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	1493	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1341	$self->clear_unique_items;	1495	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1343	}	1497	}
1344	}	1498	}
1345		1499
1346	Coro::cede;	1500	Coro::cede;
1347
1348	# now do the right thing for maps	1501	# now do the right thing for maps
1349	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1350		1504
1351	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1352	$self->{deny_save} = 1;	1506	$self->decay_objects;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1358	$self->set_darkness_map;	1510	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1361	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1362	}	1516	}
1363		1517
		1518	$self->post_load;
1364	Coro::cede;	1519	Coro::cede;
1365		1520
1366	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
1367	}	1555	}
1368		1556
1369	sub find_sync {	1557	sub find_sync {
1370	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1371		1559
1372	cf::sync_job { cf::map::find $path, $origin }	1560	cf::sync_job { find $path, $origin }
1373	}	1561	}
1374		1562
1375	sub do_load_sync {	1563	sub do_load_sync {
1376	my ($map) = @_;	1564	my ($map) = @_;
1377		1565
1378	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1379	}	1567	}
1380		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
		1597	}
		1598
1381	sub save {	1599	sub save {
1382	my ($self) = @_;	1600	my ($self) = @_;
1383		1601
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1385		1603
1386	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1387		1605
1388	return unless $self->dirty;	1606	return unless $self->dirty;
1389		1607
1390	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		1610
1393	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1394		1612
1395	return if $self->{deny_save};	1613	return if $self->{deny_save};
1396		1614
…		…
1399	cf::async {	1617	cf::async {
1400	$_->contr->save for $self->players;	1618	$_->contr->save for $self->players;
1401	};	1619	};
1402		1620
1403	if ($uniq) {	1621	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	1624	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}	1626	}
1409	}	1627	}
1410		1628
1411	sub swap_out {	1629	sub swap_out {
1412	my ($self) = @_;	1630	my ($self) = @_;
…		…
1426		1644
1427	sub reset_at {	1645	sub reset_at {
1428	my ($self) = @_;	1646	my ($self) = @_;
1429		1647
1430	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1432	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1433		1651
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		1654
…		…
1441	my ($self) = @_;	1659	my ($self) = @_;
1442		1660
1443	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1444	}	1662	}
1445		1663
1446	sub unlink_save {
1447	my ($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	$self->save;
1465	}
1466
1467	sub reset {	1664	sub reset {
1468	my ($self) = @_;	1665	my ($self) = @_;
1469		1666
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1668
1472	return if $self->players;	1669	return if $self->players;
1473	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1474		1671
1475	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1476		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1477	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1478		1687
1479	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1480		1689
1481	$self->unlink_save;	1690	$self->unlink_save;
1482	$self->destroy;	1691	$self->destroy;
…		…
1485	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1486		1695
1487	sub nuke {	1696	sub nuke {
1488	my ($self) = @_;	1697	my ($self) = @_;
1489		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1493	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1494	}	1712	}
1495		1713
1496	sub customise_for {	1714	=item cf::map::unique_maps
1497	my ($map, $ob) = @_;
1498		1715
1499	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1501	}
1502		1718
1503	$map	1719	=cut
1504	}
1505		1720
1506	sub emergency_save {	1721	sub unique_maps() {
1507	my $freeze_guard = cf::freeze_mainloop;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1508		1724
1509	warn "enter emergency perl save\n";	1725	my @paths;
1510		1726
1511	cf::sync_job {	1727	for (@$files) {
1512	warn "begin emergency player save\n";	1728	utf8::decode $_;
1513	$_->save for values %cf::PLAYER;	1729	next if /\.pst$/;
1514	warn "end emergency player save\n";	1730	next unless /^$PATH_SEP/o;
1515		1731
1516	warn "begin emergency map save\n";	1732	push @paths, cf::map::normalise $_;
1517	$_->save for values %cf::MAP;
1518	warn "end emergency map save\n";
1519	};	1733	}
1520		1734
1521	warn "leave emergency perl save\n";	1735	\@paths
1522	}	1736	}
1523		1737
1524	package cf;	1738	package cf;
1525		1739
1526	=back	1740	=back
1527		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1528		1768
1529	=head3 cf::object::player	1769	=head3 cf::object::player
1530		1770
1531	=over 4	1771	=over 4
1532		1772
…		…
1572		1812
1573	=item $player_object->enter_link	1813	=item $player_object->enter_link
1574		1814
1575	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1576		1816
1577	The player should be reaosnably safe there for short amounts of time. You	1817	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.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1579		1819
		1820	Will never block.
		1821
1580	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1581		1823
1582	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	1827	fails, to the emergency map position.
1586		1828
1587	Might block.	1829	Might block.
1588		1830
1589	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1590		1842
1591	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1592	my ($self) = @_;	1844	my ($self) = @_;
1593		1845
1594	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1595		1847
1596	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		1849
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	1851	if $self->map;
1600		1852
1601	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	1854	}
1603		1855
1604	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1606		1858
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1627		1879
1628	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1629		1882
1630	return unless $self->contr->active;	1883	return unless $self->contr->active;
1631	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1632	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1633	}	1888	}
1634		1889
1635	cf::player->attach (	1890	cf::player->attach (
1636	on_logout => sub {	1891	on_logout => sub {
…		…
1649	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1650	# should happen only on crashes	1905	# should happen only on crashes
1651	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1653	(async {	1908	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,	1909	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "	1910	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",	1911	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);	1912	cf::NDI_RED);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
1660	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1662	})->prio (2);	1917	})->prio (2);
1663	}	1918	}
1664	},	1919	},
…		…
1672	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1673		1928
1674	$self->enter_link;	1929	$self->enter_link;
1675		1930
1676	(async {	1931	(async {
1677	$path = new cf::path $path;	1932	my $map = eval {
1678
1679	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1680	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1681		1935	$map
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1683	# if $map;
1684
1685	$map or $map->cluck ("oy");#d#
1686	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687		1938
1688	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1689	})->prio (1);	1940	})->prio (1);
1690	}	1941	}
1691		1942
…		…
1695		1946
1696	sub parse_random_map_params {	1947	sub parse_random_map_params {
1697	my ($spec) = @_;	1948	my ($spec) = @_;
1698		1949
1699	my $rmp = { # defaults	1950	my $rmp = { # defaults
1700	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1702	};	1955	};
1703		1956
1704	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1706		1959
…		…
1710	$rmp	1963	$rmp
1711	}	1964	}
1712		1965
1713	sub prepare_random_map {	1966	sub prepare_random_map {
1714	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1715		1970
1716	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1717	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1718	# that depends on the exit object	1973	# that depends on the exit object
1719		1974
1720	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1721		1976
1722	if ($exit->map) {	1977	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1727	}	1982	}
1728		1983
1729	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1730		1985
1731	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1732	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733		1989
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1736		1994
1737	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	1996	$exit->msg (undef);
1739	}	1997	}
1740	}	1998	}
1741		1999
1742	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1744		2002
1745	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
1746		2015
1747	$self->enter_link;	2016	$self->enter_link;
1748		2017
1749	(async {	2018	(async {
1750	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1751	unless (eval {	2020	unless (eval {
1752	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1753	if $exit->slaying eq "/!";
1754
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757		2022
1758	1;	2023	1;
1759	}) {	2024	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1761	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1764		2029
1765	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	2031	$self->leave_link;
1767	}	2032	}
1768	})->prio (1);	2033	})->prio (1);
…		…
1781		2046
1782	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1783	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1784		2049
1785	utf8::encode $text;	2050	utf8::encode $text;
1786	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787	}	2052	}
1788		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1789		2066
1790	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1791		2068
1792	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1822	# get handled first	2099	# get handled first
1823	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		2102
1826	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		2105
1828	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1829		2107
1830	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	2109	if (@$queue) {
…		…
1889		2167
1890	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1891		2169
1892	=pod	2170	=pod
1893		2171
1894	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1895		2173
1896	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1897	cf::object::player player	2175	cf::object::player player
1898	cf::player peaceful	2176	cf::player peaceful
1899	cf::map trigger	2177	cf::map trigger
…		…
1992	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
1993	using it, it should be unique.	2271	using it, it should be unique.
1994		2272
1995	=over 4	2273	=over 4
1996		2274
1997	=item $hashref = cf::db_get $family
1998
1999	Return a hashref for use by the extension C<$family>, which can be
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002
2003	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
2004		2276
2005	Returns a single value from the database	2277	Returns a single value from the database.
2006
2007	=item cf::db_put $family => $hashref
2008
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011		2278
2012	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
2013		2280
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024		2282
2025	=cut	2283	=cut
2026		2284
2027	our $DB;	2285	our $DB;
2028		2286
2029	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
2030	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
2031		2306
2032	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
2033	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
2034	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
2035		2311
2036	my $pid;	2312	unlink $path;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}	2313	};
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});
2058
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}
2063
2064	sub db_get($;$) {
2065	@_ >= 2
2066	? $DB->{$_[0]}{$_[1]}
2067	: ($DB->{$_[0]} ||= { })
2068	}
2069
2070	sub db_put($$;$) {
2071	if (@_ >= 3) {
2072	$DB->{$_[0]}{$_[1]} = $_[2];
2073	} else {
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078
2079	cf::global->attach (
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	2314	}
2084	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2085	}	2332	}
2086		2333
2087	#############################################################################	2334	#############################################################################
2088	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	sub load_archetypes {
		2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable
		2391	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2392	}
		2393
		2394	sub load_treasures {
		2395	load_treasure_file sprintf "%s/treasures", cf::datadir
		2396	}
		2397
		2398	sub reload_resources {
		2399	warn "reloading resource files...\n";
		2400
		2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2402	or die "unable to load regions file\n";
		2403	load_facedata
		2404	or die "unable to load facedata\n";
		2405	load_archetypes
		2406	or die "unable to load archetypes\n";
		2407	load_treasures
		2408	or die "unable to load treasurelists\n";
		2409
		2410	warn "finished reloading resource files\n";
		2411	}
		2412
		2413	sub init {
		2414	reload_resources;
		2415	}
2089		2416
2090	sub cfg_load {	2417	sub cfg_load {
2091	open my $fh, "<:utf8", cf::confdir . "/config"	2418	open my $fh, "<:utf8", cf::confdir . "/config"
2092	or return;	2419	or return;
2093		2420
…		…
2110		2437
2111	sub main {	2438	sub main {
2112	# we must not ever block the main coroutine	2439	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	2440	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2442	(async {
2115	async { Event::one_event };	2443	Event::one_event;
		2444	})->prio (Coro::PRIO_MAX);
2116	};	2445	};
2117		2446
2118	cfg_load;	2447	cfg_load;
2119	db_load;	2448	db_init;
2120	load_extensions;	2449	load_extensions;
		2450
		2451	$TICK_WATCHER->start;
2121	Event::loop;	2452	Event::loop;
2122	}	2453	}
2123		2454
2124	#############################################################################	2455	#############################################################################
2125	# initialisation	2456	# initialisation and cleanup
		2457
		2458	# install some emergency cleanup handlers
		2459	BEGIN {
		2460	for my $signal (qw(INT HUP TERM)) {
		2461	Event->signal (
		2462	reentrant => 0,
		2463	data => WF_AUTOCANCEL,
		2464	signal => $signal,
		2465	prio => 0,
		2466	cb => sub {
		2467	cf::cleanup "SIG$signal";
		2468	},
		2469	);
		2470	}
		2471	}
		2472
		2473	sub emergency_save() {
		2474	my $freeze_guard = cf::freeze_mainloop;
		2475
		2476	warn "enter emergency perl save\n";
		2477
		2478	cf::sync_job {
		2479	# use a peculiar iteration method to avoid tripping on perl
		2480	# refcount bugs in for. also avoids problems with players
		2481	# and maps saved/destroyed asynchronously.
		2482	warn "begin emergency player save\n";
		2483	for my $login (keys %cf::PLAYER) {
		2484	my $pl = $cf::PLAYER{$login} or next;
		2485	$pl->valid or next;
		2486	$pl->save;
		2487	}
		2488	warn "end emergency player save\n";
		2489
		2490	warn "begin emergency map save\n";
		2491	for my $path (keys %cf::MAP) {
		2492	my $map = $cf::MAP{$path} or next;
		2493	$map->valid or next;
		2494	$map->save;
		2495	}
		2496	warn "end emergency map save\n";
		2497
		2498	warn "begin emergency database checkpoint\n";
		2499	BDB::db_env_txn_checkpoint $DB_ENV;
		2500	warn "end emergency database checkpoint\n";
		2501	};
		2502
		2503	warn "leave emergency perl save\n";
		2504	}
		2505
		2506	sub post_cleanup {
		2507	my ($make_core) = @_;
		2508
		2509	warn Carp::longmess "post_cleanup backtrace"
		2510	if $make_core;
		2511	}
2126		2512
2127	sub reload() {	2513	sub reload() {
2128	# can/must only be called in main	2514	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	2515	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	2516	warn "can only reload from main coroutine";
2131	return;	2517	return;
2132	}	2518	}
2133		2519
2134	warn "reloading...";	2520	warn "reloading...";
2135		2521
2136	my $guard = freeze_mainloop;	2522	warn "entering sync_job";
		2523
		2524	cf::sync_job {
		2525	cf::write_runtime; # external watchdog should not bark
2137	cf::emergency_save;	2526	cf::emergency_save;
		2527	cf::write_runtime; # external watchdog should not bark
2138		2528
2139	eval {	2529	warn "syncing database to disk";
		2530	BDB::db_env_txn_checkpoint $DB_ENV;
		2531
2140	# if anything goes wrong in here, we should simply crash as we already saved	2532	# if anything goes wrong in here, we should simply crash as we already saved
2141		2533
2142	# cancel all watchers	2534	warn "cancelling all WF_AUTOCANCEL watchers";
2143	for (Event::all_watchers) {	2535	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}	2537	}
2146		2538
		2539	warn "flushing outstanding aio requests";
		2540	for (;;) {
		2541	BDB::flush;
		2542	IO::AIO::flush;
		2543	Coro::cede;
		2544	last unless IO::AIO::nreqs || BDB::nreqs;
		2545	warn "iterate...";
		2546	}
		2547
		2548	++$RELOAD;
		2549
2147	# cancel all extension coros	2550	warn "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	2551	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	2552	%EXT_CORO = ();
2150		2553
2151	# unload all extensions	2554	warn "removing commands";
2152	for (@exts) {	2555	%COMMAND = ();
		2556
		2557	warn "removing ext commands";
		2558	%EXTCMD = ();
		2559
		2560	warn "unloading/nuking all extensions";
		2561	for my $pkg (@EXTS) {
2153	warn "unloading <$_>";	2562	warn "... unloading $pkg";
2154	unload_extension $_;	2563
		2564	if (my $cb = $pkg->can ("unload")) {
		2565	eval {
		2566	$cb->($pkg);
		2567	1
		2568	} or warn "$pkg unloaded, but with errors: $@";
2155	}	2569	}
2156		2570
		2571	warn "... nuking $pkg";
		2572	Symbol::delete_package $pkg;
		2573	}
		2574
2157	# unload all modules loaded from $LIBDIR	2575	warn "unloading all perl modules loaded from $LIBDIR";
2158	while (my ($k, $v) = each %INC) {	2576	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160		2578
2161	warn "removing <$k>";	2579	warn "... unloading $k";
2162	delete $INC{$k};	2580	delete $INC{$k};
2163		2581
2164	$k =~ s/\.pm$//;	2582	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;	2583	$k =~ s/\//::/g;
2166		2584
…		…
2169	}	2587	}
2170		2588
2171	Symbol::delete_package $k;	2589	Symbol::delete_package $k;
2172	}	2590	}
2173		2591
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	2592	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	2593	Symbol::delete_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		2595
2182	# remove register_script_function callbacks
2183	# TODO
2184
2185	# unload cf.pm "a bit"	2596	warn "unloading cf.pm \"a bit\"";
2186	delete $INC{"cf.pm"};	2597	delete $INC{"cf.pm"};
2187		2598
2188	# don't, removes xs symbols, too,	2599	# don't, removes xs symbols, too,
2189	# and global variables created in xs	2600	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	2601	#Symbol::delete_package __PACKAGE__;
2191		2602
2192	# reload cf.pm	2603	warn "unload completed, starting to reload now";
		2604
2193	warn "reloading cf.pm";	2605	warn "reloading cf.pm";
2194	require cf;	2606	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		2608
2197	# load config and database again	2609	warn "loading config and database again";
2198	cf::cfg_load;	2610	cf::cfg_load;
2199	cf::db_load;
2200		2611
2201	# load extensions
2202	warn "load extensions";	2612	warn "loading extensions";
2203	cf::load_extensions;	2613	cf::load_extensions;
2204		2614
2205	# reattach attachments to objects	2615	warn "reattaching attachments to objects/players";
2206	warn "reattach";	2616	_global_reattach; # objects, sockets
2207	_global_reattach;	2617	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	2618	reattach $_ for values %MAP;
2209	};	2619	warn "reattaching attachments to players";
		2620	reattach $_ for values %PLAYER;
2210		2621
2211	if ($@) {	2622	warn "loading reloadable resources";
		2623	reload_resources;
		2624
		2625	warn "leaving sync_job";
		2626
		2627	1
		2628	} or do {
2212	warn $@;	2629	warn $@;
2213	warn "error while reloading, exiting.";	2630	warn "error while reloading, exiting.";
2214	exit 1;	2631	exit 1;
2215	}	2632	};
2216		2633
2217	warn "reloaded successfully";	2634	warn "reloaded";
2218	};	2635	};
2219		2636
2220	#############################################################################	2637	our $RELOAD_WATCHER; # used only during reload
2221
2222	unless ($LINK_MAP) {
2223	$LINK_MAP = cf::map::new;
2224
2225	$LINK_MAP->width (41);
2226	$LINK_MAP->height (41);
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,
2235	cb => sub {
2236	$_[0]->w->cancel;
2237
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});
2256
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}
2262
2263	register "<global>", __PACKAGE__;
2264		2638
2265	register_command "reload" => sub {	2639	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	2640	my ($who, $arg) = @_;
2267		2641
2268	if ($who->flag (FLAG_WIZ)) {	2642	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");	2643	$who->message ("reloading server.");
		2644
		2645	# doing reload synchronously and two reloads happen back-to-back,
		2646	# coro crashes during coro_state_free->destroy here.
		2647
		2648	$RELOAD_WATCHER ||= Event->timer (
		2649	reentrant => 0,
		2650	after => 0,
		2651	data => WF_AUTOCANCEL,
		2652	cb => sub {
2270	reload;	2653	reload;
2271	$who->message ("end of reload.");	2654	undef $RELOAD_WATCHER;
		2655	},
		2656	);
2272	}	2657	}
2273	};	2658	};
2274		2659
2275	unshift @INC, $LIBDIR;	2660	unshift @INC, $LIBDIR;
		2661
		2662	my $bug_warning = 0;
		2663
		2664	our @WAIT_FOR_TICK;
		2665	our @WAIT_FOR_TICK_BEGIN;
		2666
		2667	sub wait_for_tick {
		2668	return unless $TICK_WATCHER->is_active;
		2669	return if $Coro::current == $Coro::main;
		2670
		2671	my $signal = new Coro::Signal;
		2672	push @WAIT_FOR_TICK, $signal;
		2673	$signal->wait;
		2674	}
		2675
		2676	sub wait_for_tick_begin {
		2677	return unless $TICK_WATCHER->is_active;
		2678	return if $Coro::current == $Coro::main;
		2679
		2680	my $signal = new Coro::Signal;
		2681	push @WAIT_FOR_TICK_BEGIN, $signal;
		2682	$signal->wait;
		2683	}
2276		2684
2277	$TICK_WATCHER = Event->timer (	2685	$TICK_WATCHER = Event->timer (
2278	reentrant => 0,	2686	reentrant => 0,
		2687	parked => 1,
2279	prio => 0,	2688	prio => 0,
2280	at => $NEXT_TICK || $TICK,	2689	at => $NEXT_TICK || $TICK,
2281	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2282	cb => sub {	2691	cb => sub {
		2692	if ($Coro::current != $Coro::main) {
		2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2694	unless ++$bug_warning > 10;
		2695	return;
		2696	}
		2697
		2698	$NOW = Event::time;
		2699
2283	cf::server_tick; # one server iteration	2700	cf::server_tick; # one server iteration
		2701
2284	$RUNTIME += $TICK;	2702	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;	2703	$NEXT_TICK += $TICK;
2286		2704
		2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2706	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2707	Coro::async_pool {
		2708	write_runtime
		2709	or warn "ERROR: unable to write runtime file: $!";
		2710	};
		2711	}
		2712
		2713	# my $AFTER = Event::time;
		2714	# warn $AFTER - $NOW;#d#
		2715
2287	# if we are delayed by four ticks or more, skip them all	2716	# if we are delayed by four ticks or more, skip them all
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289		2718
2290	$TICK_WATCHER->at ($NEXT_TICK);	2719	$TICK_WATCHER->at ($NEXT_TICK);
2291	$TICK_WATCHER->start;	2720	$TICK_WATCHER->start;
		2721
		2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2723	$sig->send;
		2724	}
		2725	while (my $sig = shift @WAIT_FOR_TICK) {
		2726	$sig->send;
		2727	}
		2728
		2729	_post_tick;
2292	},	2730	},
2293	);	2731	);
2294		2732
		2733	{
2295	IO::AIO::max_poll_time $TICK * 0.2;	2734	BDB::max_poll_time $TICK * 0.1;
2296		2735	$BDB_POLL_WATCHER = Event->io (
2297	Event->io (	2736	reentrant => 0,
2298	fd => IO::AIO::poll_fileno,	2737	fd => BDB::poll_fileno,
2299	poll => 'r',	2738	poll => 'r',
2300	prio => 5,	2739	prio => 0,
2301	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,
2303	);
2304
2305	Event->timer (
2306	data => WF_AUTOCANCEL,	2740	data => WF_AUTOCANCEL,
2307	after => 0,	2741	cb => \&BDB::poll_cb,
2308	interval => 10,	2742	);
2309	cb => sub {	2743	BDB::min_parallel 8;
2310	(Coro::unblock_sub {	2744
2311	write_runtime	2745	BDB::set_sync_prepare {
2312	or warn "ERROR: unable to write runtime file: $!";	2746	my $status;
		2747	my $current = $Coro::current;
		2748	(
		2749	sub {
		2750	$status = $!;
		2751	$current->ready; undef $current;
		2752	},
		2753	sub {
		2754	Coro::schedule while defined $current;
		2755	$! = $status;
		2756	},
		2757	)
		2758	};
		2759
		2760	unless ($DB_ENV) {
		2761	$DB_ENV = BDB::db_env_create;
		2762
		2763	cf::sync_job {
		2764	eval {
		2765	BDB::db_env_open
		2766	$DB_ENV,
		2767	$BDB_ENV_DIR,
		2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2770	0666;
		2771
		2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2773
		2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2775	$DB_ENV->set_lk_detect;
		2776	};
		2777
		2778	cf::cleanup "db_env_open(db): $@" if $@;
2313	})->();	2779	};
2314	},	2780	}
2315	);	2781	}
		2782
		2783	{
		2784	IO::AIO::min_parallel 8;
		2785
		2786	undef $Coro::AIO::WATCHER;
		2787	IO::AIO::max_poll_time $TICK * 0.1;
		2788	$AIO_POLL_WATCHER = Event->io (
		2789	reentrant => 0,
		2790	data => WF_AUTOCANCEL,
		2791	fd => IO::AIO::poll_fileno,
		2792	poll => 'r',
		2793	prio => 6,
		2794	cb => \&IO::AIO::poll_cb,
		2795	);
		2796	}
2316		2797
2317	END { cf::emergency_save }	2798	END { cf::emergency_save }
2318		2799
2319	1	2800	1
2320		2801

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