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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.248 by root, Tue Apr 17 18:40:32 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
…		…
118	utf8::encode $msg;	151	utf8::encode $msg;
119		152
120	$msg .= "\n"	153	$msg .= "\n"
121	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
122		155
123	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
124	};	157	};
125	}	158	}
126		159
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
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
…		…
1132		1007
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};
		1012
		1013	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1014	$pl->{last_save} = $cf::RUNTIME;
1138		1015
1139	Coro::cede;
1140	$pl->save_pl ($path);	1016	$pl->save_pl ($path);
1141	Coro::cede;	1017	Coro::cede;
1142	}	1018	}
1143		1019
1144	sub new($) {	1020	sub new($) {
…		…
1152	$cf::PLAYER{$login} = $self;	1028	$cf::PLAYER{$login} = $self;
1153		1029
1154	$self	1030	$self
1155	}	1031	}
1156		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
1157	sub quit_character {	1040	sub quit_character {
1158	my ($pl) = @_;	1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
1159		1044
1160	$pl->{deny_save} = 1;	1045	$pl->{deny_save} = 1;
1161	$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
1162		1047
1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1166	$pl->ns->destroy if $pl->ns;	1051	$pl->ns->destroy if $pl->ns;
1167		1052
1168	my $path = playerdir $pl;	1053	my $path = playerdir $pl;
1169	my $temp = "$path~$cf::RUNTIME~deleting~";	1054	my $temp = "$path~$cf::RUNTIME~deleting~";
1170	IO::AIO::aio_rename $path, $temp, sub {	1055	aio_rename $path, $temp;
1171	delete $cf::PLAYER{$pl->ob->name};	1056	delete $cf::PLAYER{$pl->ob->name};
1172	$pl->destroy;	1057	$pl->destroy;
1173		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
1174	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;
1175	};	1101	}
1176	}
1177		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
1178	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1179		1135
1180	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1181		1137
1182	=cut	1138	=cut
1183		1139
1184	sub ext_reply($$$%) {	1140	sub ext_reply($$%) {
1185	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1186		1142
1187	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1188		1144
1189	$self->send ("ext " . cf::to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
1190	}	1146	}
1191		1147
1192	package cf;	1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		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	}
1193		1188
1194	=back	1189	=back
1195
1196		1190
1197	=head3 cf::map	1191	=head3 cf::map
1198		1192
1199	=over 4	1193	=over 4
1200		1194
…		…
1203	package cf::map;	1197	package cf::map;
1204		1198
1205	use Fcntl;	1199	use Fcntl;
1206	use Coro::AIO;	1200	use Coro::AIO;
1207		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1208	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1209	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1210		1208
1211	sub generate_random_map {	1209	sub generate_random_map {
1212	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1213
1214	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1215	cf::map::_create_random_map	1212	$self->_create_random_map (
1216	$path,
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$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},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(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
1228	}	1354	}
1229		1355
1230	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1231	# all maps in C++...	1357	# all maps in C++...
1232	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1234		1360
1235	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1236	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1237	}	1363	}
1238		1364
		1365	sub unlink_save {
		1366	my ($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
1239	sub try_load_header($) {	1373	sub load_header_from($) {
1240	my ($path) = @_;	1374	my ($self, $path) = @_;
1241		1375
1242	utf8::encode $path;	1376	utf8::encode $path;
1243	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1244	or return;	1381	or return;
1245		1382
1246	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
1247	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1248		1429
1249	# for better error messages only, will be overwritten	1430	$self->default_region (cf::region::find_by_path $self->{path})
1250	$map->path ($path);	1431	unless $self->default_region;
1251		1432
1252	$map->load_header ($path)	1433	1
1253	or return;
1254
1255	$map->{load_path} = $path;
1256
1257	$map
1258	}	1434	}
1259		1435
1260	sub find;	1436	sub find;
1261	sub find {	1437	sub find {
1262	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1263		1439
1264	#warn "find<$path,$origin>\n";#d#
1265
1266	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1267	my $key = $path->as_string;
1268		1441
1269	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1270		1443
1271	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1272	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1273		1446	my $map = new_from_path cf::map $path
1274	# do it the slow way
1275	my $map = try_load_header $path->save_path;
1276
1277	Coro::cede;
1278
1279	if ($map) {
1280	$map->last_access ((delete $map->{last_access})
1281	|| $cf::RUNTIME); #d#
1282	# safety
1283	$map->{instantiate_time} = $cf::RUNTIME
1284	if $map->{instantiate_time} > $cf::RUNTIME;
1285	} else {
1286	if (my $rmp = $path->random_map_params) {
1287	$map = generate_random_map $key, $rmp;
1288	} else {
1289	$map = try_load_header $path->load_path;
1290	}
1291
1292	$map or return;	1447	or return;
1293		1448
1294	$map->{load_original} = 1;
1295	$map->{instantiate_time} = $cf::RUNTIME;
1296	$map->last_access ($cf::RUNTIME);
1297	$map->instantiate;
1298
1299	# per-player maps become, after loading, normal maps
1300	$map->per_player (0) if $path->{user_rel};
1301	}
1302
1303	$map->path ($key);
1304	$map->{path} = $path;
1305	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1306		1450
1307	Coro::cede;	1451	$map->load_header
		1452	or return;
1308		1453
1309	if ($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;
1310	$map->reset;	1457	$map->reset;
1311	undef $guard;	1458	undef $guard;
1312	$map = find $path	1459	return find $path;
1313	or return;
1314	}	1460	}
1315		1461
1316	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1317	}	1463	}
1318	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1319		1468
1320	sub load {	1469	sub load {
1321	my ($self) = @_;	1470	my ($self) = @_;
1322		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1323	my $path = $self->{path};	1474	my $path = $self->{path};
1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1325		1476
1326	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1327		1478
1328	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1329		1480
1330	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1331	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1332	or return;	1487	or return;
1333		1488
1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1335	if delete $self->{load_original};	1490	if delete $self->{load_original};
1336		1491
1337	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1338	utf8::encode $uniq;	1493	utf8::encode $uniq;
1339	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1340	$self->clear_unique_items;	1495	$self->clear_unique_items;
1341	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1342	}	1497	}
1343	}	1498	}
1344		1499
1345	Coro::cede;	1500	Coro::cede;
1346
1347	# now do the right thing for maps	1501	# now do the right thing for maps
1348	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1349		1504
1350	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1351	$self->{deny_save} = 1;	1506	$self->decay_objects;
1352	$self->{deny_reset} = 1;
1353	} else {
1354	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1355	$self->decay_objects;
1356	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1357	$self->set_darkness_map;	1510	$self->set_darkness_map;
1358	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1359	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1360	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1361	}	1516	}
1362		1517
		1518	$self->post_load;
1363	Coro::cede;	1519	Coro::cede;
1364		1520
1365	$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	$neigh->load;
		1554	}
1366	}	1555	}
1367		1556
1368	sub find_sync {	1557	sub find_sync {
1369	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1370		1559
1371	cf::sync_job { cf::map::find $path, $origin }	1560	cf::sync_job { find $path, $origin }
1372	}	1561	}
1373		1562
1374	sub do_load_sync {	1563	sub do_load_sync {
1375	my ($map) = @_;	1564	my ($map) = @_;
1376		1565
1377	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1378	}	1567	}
1379		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	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
		1597	}
		1598
1380	sub save {	1599	sub save {
1381	my ($self) = @_;	1600	my ($self) = @_;
1382		1601
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1384		1603
1385	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1386		1605
1387	return unless $self->dirty;	1606	return unless $self->dirty;
1388		1607
1389	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1391		1610
1392	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1393		1612
1394	return if $self->{deny_save};	1613	return if $self->{deny_save};
1395		1614
…		…
1398	cf::async {	1617	cf::async {
1399	$_->contr->save for $self->players;	1618	$_->contr->save for $self->players;
1400	};	1619	};
1401		1620
1402	if ($uniq) {	1621	if ($uniq) {
1403	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1404	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1405	} else {	1624	} else {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1407	}	1626	}
1408	}	1627	}
1409		1628
1410	sub swap_out {	1629	sub swap_out {
1411	my ($self) = @_;	1630	my ($self) = @_;
…		…
1425		1644
1426	sub reset_at {	1645	sub reset_at {
1427	my ($self) = @_;	1646	my ($self) = @_;
1428		1647
1429	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1430	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1431	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1432		1651
1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1435		1654
…		…
1440	my ($self) = @_;	1659	my ($self) = @_;
1441		1660
1442	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1443	}	1662	}
1444		1663
1445	sub unlink_save {
1446	my ($self) = @_;
1447
1448	utf8::encode (my $save = $self->{path}->save_path);
1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451	}
1452
1453	sub rename {
1454	my ($self, $new_path) = @_;
1455
1456	$self->unlink_save;
1457
1458	delete $cf::MAP{$self->path};
1459	$self->{path} = new cf::path $new_path;
1460	$self->path ($self->{path}->as_string);
1461	$cf::MAP{$self->path} = $self;
1462
1463	$self->save;
1464	}
1465
1466	sub reset {	1664	sub reset {
1467	my ($self) = @_;	1665	my ($self) = @_;
1468		1666
1469	my $lock = cf::lock_acquire "map_data:" . $self->path;	1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
1470		1668
1471	return if $self->players;	1669	return if $self->players;
1472	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1473		1671
1474	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1475		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
1476	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1477		1687
1478	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1479		1689
1480	$self->unlink_save;	1690	$self->unlink_save;
1481	$self->destroy;	1691	$self->destroy;
…		…
1484	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1485		1695
1486	sub nuke {	1696	sub nuke {
1487	my ($self) = @_;	1697	my ($self) = @_;
1488		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1489	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1490	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1491	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1492	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1493	}	1712	}
1494		1713
1495	sub customise_for {	1714	=item cf::map::unique_maps
1496	my ($map, $ob) = @_;
1497		1715
1498	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1500	}
1501		1718
1502	$map	1719	=cut
1503	}
1504		1720
1505	sub emergency_save {	1721	sub unique_maps() {
1506	my $freeze_guard = cf::freeze_mainloop;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1507		1724
1508	warn "enter emergency perl save\n";	1725	my @paths;
1509		1726
1510	cf::sync_job {	1727	for (@$files) {
1511	warn "begin emergency player save\n";	1728	utf8::decode $_;
1512	$_->save for values %cf::PLAYER;	1729	next if /\.pst$/;
1513	warn "end emergency player save\n";	1730	next unless /^$PATH_SEP/o;
1514		1731
1515	warn "begin emergency map save\n";	1732	push @paths, cf::map::normalise $_;
1516	$_->save for values %cf::MAP;
1517	warn "end emergency map save\n";
1518	};	1733	}
1519		1734
1520	warn "leave emergency perl save\n";	1735	\@paths
1521	}	1736	}
1522		1737
1523	package cf;	1738	package cf;
1524		1739
1525	=back	1740	=back
1526		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
1527		1768
1528	=head3 cf::object::player	1769	=head3 cf::object::player
1529		1770
1530	=over 4	1771	=over 4
1531		1772
…		…
1571		1812
1572	=item $player_object->enter_link	1813	=item $player_object->enter_link
1573		1814
1574	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}>).
1575		1816
1576	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
1577	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1578		1819
		1820	Will never block.
		1821
1579	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1580		1823
1581	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1582	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1583	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1584	to the emergency map position.	1827	fails, to the emergency map position.
1585		1828
1586	Might block.	1829	Might block.
1587		1830
1588	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($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	$LINK_MAP
		1841	}
1589		1842
1590	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1591	my ($self) = @_;	1844	my ($self) = @_;
1592		1845
1593	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1594		1847
1595	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1596		1849
1597	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1598	if $self->map;	1851	if $self->map;
1599		1852
1600	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1601	}	1854	}
1602		1855
1603	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1604	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1605		1858
…		…
1623	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1624	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1625	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1626		1879
1627	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1628		1882
1629	return unless $self->contr->active;	1883	return unless $self->contr->active;
1630	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1631	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1632	}	1888	}
1633		1889
1634	cf::player->attach (	1890	cf::player->attach (
1635	on_logout => sub {	1891	on_logout => sub {
…		…
1648	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1649	# should happen only on crashes	1905	# should happen only on crashes
1650	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1651	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1652	(async {	1908	(async {
1653	# we need this sleep as the login has a concurrent enter_exit running
1654	# and this sleep increases chances of the player not ending up in scorn
1655	$pl->ob->reply (undef,	1909	$pl->ob->reply (undef,
1656	"There was an internal problem at your last logout, "	1910	"There was an internal problem at your last logout, "
1657	. "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.",
1658	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
1659	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1660	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1661	})->prio (2);	1917	})->prio (2);
1662	}	1918	}
1663	},	1919	},
…		…
1671	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1672		1928
1673	$self->enter_link;	1929	$self->enter_link;
1674		1930
1675	(async {	1931	(async {
1676	$path = new cf::path $path;	1932	my $map = eval {
1677
1678	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1679	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1680		1935	$map
1681	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1682	# if $map;
1683
1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685		1938
1686	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1940	})->prio (1);
1688	}	1941	}
1689		1942
…		…
1693		1946
1694	sub parse_random_map_params {	1947	sub parse_random_map_params {
1695	my ($spec) = @_;	1948	my ($spec) = @_;
1696		1949
1697	my $rmp = { # defaults	1950	my $rmp = { # defaults
1698	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1700	};	1955	};
1701		1956
1702	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1704		1959
…		…
1708	$rmp	1963	$rmp
1709	}	1964	}
1710		1965
1711	sub prepare_random_map {	1966	sub prepare_random_map {
1712	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		1970
1714	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	1973	# that depends on the exit object
1717		1974
1718	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1719		1976
1720	if ($exit->map) {	1977	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1725	}	1982	}
1726		1983
1727	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1728		1985
1729	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731		1989
1732	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) {
1733	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;
1734		1994
1735	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	1996	$exit->msg (undef);
1737	}	1997	}
1738	}	1998	}
1739		1999
1740	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1742		2002
1743	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;
1744		2015
1745	$self->enter_link;	2016	$self->enter_link;
1746		2017
1747	(async {	2018	(async {
1748	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	2020	unless (eval {
1750	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		2022
1756	1;	2023	1;
1757	}) {	2024	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "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. "
1760	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1762		2029
1763	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	2031	$self->leave_link;
1765	}	2032	}
1766	})->prio (1);	2033	})->prio (1);
…		…
1779		2046
1780	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1782		2049
1783	utf8::encode $text;	2050	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2052	}
1786		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	}
1787		2066
1788	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1789		2068
1790	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1791	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>,
…		…
1820	# get handled first	2099	# get handled first
1821	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1822	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
1823		2102
1824	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2105
1826	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1827		2107
1828	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2109	if (@$queue) {
…		…
1887		2167
1888	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1889		2169
1890	=pod	2170	=pod
1891		2171
1892	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1893		2173
1894	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1895	cf::object::player player	2175	cf::object::player player
1896	cf::player peaceful	2176	cf::player peaceful
1897	cf::map trigger	2177	cf::map trigger
…		…
1990	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
1991	using it, it should be unique.	2271	using it, it should be unique.
1992		2272
1993	=over 4	2273	=over 4
1994		2274
1995	=item $hashref = cf::db_get $family
1996
1997	Return a hashref for use by the extension C<$family>, which can be
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000
2001	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
2002		2276
2003	Returns a single value from the database	2277	Returns a single value from the database.
2004
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009		2278
2010	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
2011		2280
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022		2282
2023	=cut	2283	=cut
2024		2284
2025	our $DB;	2285	our $DB;
2026		2286
2027	{	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
2028	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;
2029		2306
2030	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
2031	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
2032	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
2033		2311
2034	my $pid;	2312	unlink $path;
2035
2036	sub db_save() {
2037	waitpid $pid, 0 if $pid;
2038	if (0 == ($pid = fork)) {
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}	2313	};
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});
2056
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}
2061
2062	sub db_get($;$) {
2063	@_ >= 2
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067
2068	sub db_put($$;$) {
2069	if (@_ >= 3) {
2070	$DB->{$_[0]}{$_[1]} = $_[2];
2071	} else {
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076
2077	cf::global->attach (
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	2314	}
2082	);	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 $_[2], 0, sub { };
2083	}	2332	}
2084		2333
2085	#############################################################################	2334	#############################################################################
2086	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata($) {
		2338	my ($path) = @_;
		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 reload_facedata {
		2390	load_facedata sprintf "%s/facedata", cf::datadir
		2391	or die "unable to load facedata\n";
		2392	}
		2393
		2394	sub reload_regions {
		2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2396	or die "unable to load regions file\n";
		2397	}
		2398
		2399	sub reload_archetypes {
		2400	load_resource_file sprintf "%s/archetypes", cf::datadir
		2401	or die "unable to load archetypes\n";
		2402	}
		2403
		2404	sub reload_treasures {
		2405	load_resource_file sprintf "%s/treasures", cf::datadir
		2406	or die "unable to load treasurelists\n";
		2407	}
		2408
		2409	sub reload_resources {
		2410	warn "reloading resource files...\n";
		2411
		2412	reload_regions;
		2413	reload_facedata;
		2414	reload_archetypes;
		2415	reload_treasures;
		2416
		2417	warn "finished reloading resource files\n";
		2418	}
		2419
		2420	sub init {
		2421	reload_resources;
		2422	}
2087		2423
2088	sub cfg_load {	2424	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2425	open my $fh, "<:utf8", cf::confdir . "/config"
2090	or return;	2426	or return;
2091		2427
…		…
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		2435
2100	if (exists $CFG{mlockall}) {	2436	if (exists $CFG{mlockall}) {
2101	eval {	2437	eval {
2102	$CFG{mlockall} ? &mlockall : &munlockall	2438	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	2439	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	2440	};
2105	warn $@ if $@;	2441	warn $@ if $@;
2106	}	2442	}
2107	}	2443	}
2108		2444
2109	sub main {	2445	sub main {
2110	# we must not ever block the main coroutine	2446	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2447	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2449	(async {
2113	async { Event::one_event };	2450	Event::one_event;
		2451	})->prio (Coro::PRIO_MAX);
2114	};	2452	};
2115		2453
2116	cfg_load;	2454	cfg_load;
2117	db_load;	2455	db_init;
2118	load_extensions;	2456	load_extensions;
		2457
		2458	$TICK_WATCHER->start;
2119	Event::loop;	2459	Event::loop;
2120	}	2460	}
2121		2461
2122	#############################################################################	2462	#############################################################################
2123	# initialisation	2463	# initialisation and cleanup
2124		2464
		2465	# install some emergency cleanup handlers
		2466	BEGIN {
		2467	for my $signal (qw(INT HUP TERM)) {
		2468	Event->signal (
		2469	reentrant => 0,
		2470	data => WF_AUTOCANCEL,
		2471	signal => $signal,
		2472	prio => 0,
		2473	cb => sub {
		2474	cf::cleanup "SIG$signal";
		2475	},
		2476	);
		2477	}
		2478	}
		2479
		2480	sub emergency_save() {
		2481	my $freeze_guard = cf::freeze_mainloop;
		2482
		2483	warn "enter emergency perl save\n";
		2484
		2485	cf::sync_job {
		2486	# use a peculiar iteration method to avoid tripping on perl
		2487	# refcount bugs in for. also avoids problems with players
		2488	# and maps saved/destroyed asynchronously.
		2489	warn "begin emergency player save\n";
		2490	for my $login (keys %cf::PLAYER) {
		2491	my $pl = $cf::PLAYER{$login} or next;
		2492	$pl->valid or next;
		2493	$pl->save;
		2494	}
		2495	warn "end emergency player save\n";
		2496
		2497	warn "begin emergency map save\n";
		2498	for my $path (keys %cf::MAP) {
		2499	my $map = $cf::MAP{$path} or next;
		2500	$map->valid or next;
		2501	$map->save;
		2502	}
		2503	warn "end emergency map save\n";
		2504
		2505	warn "begin emergency database checkpoint\n";
		2506	BDB::db_env_txn_checkpoint $DB_ENV;
		2507	warn "end emergency database checkpoint\n";
		2508	};
		2509
		2510	warn "leave emergency perl save\n";
		2511	}
		2512
		2513	sub post_cleanup {
		2514	my ($make_core) = @_;
		2515
		2516	warn Carp::longmess "post_cleanup backtrace"
		2517	if $make_core;
		2518	}
		2519
2125	sub reload() {	2520	sub do_reload_perl() {
2126	# can/must only be called in main	2521	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2522	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2523	warn "can only reload from main coroutine";
2129	return;	2524	return;
2130	}	2525	}
2131		2526
2132	warn "reloading...";	2527	warn "reloading...";
2133		2528
2134	my $guard = freeze_mainloop;	2529	warn "entering sync_job";
		2530
		2531	cf::sync_job {
		2532	cf::write_runtime; # external watchdog should not bark
2135	cf::emergency_save;	2533	cf::emergency_save;
		2534	cf::write_runtime; # external watchdog should not bark
2136		2535
2137	eval {	2536	warn "syncing database to disk";
		2537	BDB::db_env_txn_checkpoint $DB_ENV;
		2538
2138	# if anything goes wrong in here, we should simply crash as we already saved	2539	# if anything goes wrong in here, we should simply crash as we already saved
2139		2540
2140	# cancel all watchers	2541	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2542	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2544	}
2144		2545
		2546	warn "flushing outstanding aio requests";
		2547	for (;;) {
		2548	BDB::flush;
		2549	IO::AIO::flush;
		2550	Coro::cede;
		2551	last unless IO::AIO::nreqs || BDB::nreqs;
		2552	warn "iterate...";
		2553	}
		2554
		2555	++$RELOAD;
		2556
2145	# cancel all extension coros	2557	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2558	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2559	%EXT_CORO = ();
2148		2560
2149	# unload all extensions	2561	warn "removing commands";
2150	for (@exts) {	2562	%COMMAND = ();
		2563
		2564	warn "removing ext commands";
		2565	%EXTCMD = ();
		2566
		2567	warn "unloading/nuking all extensions";
		2568	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2569	warn "... unloading $pkg";
2152	unload_extension $_;	2570
		2571	if (my $cb = $pkg->can ("unload")) {
		2572	eval {
		2573	$cb->($pkg);
		2574	1
		2575	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2576	}
2154		2577
		2578	warn "... nuking $pkg";
		2579	Symbol::delete_package $pkg;
		2580	}
		2581
2155	# unload all modules loaded from $LIBDIR	2582	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2583	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2585
2159	warn "removing <$k>";	2586	warn "... unloading $k";
2160	delete $INC{$k};	2587	delete $INC{$k};
2161		2588
2162	$k =~ s/\.pm$//;	2589	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2590	$k =~ s/\//::/g;
2164		2591
…		…
2167	}	2594	}
2168		2595
2169	Symbol::delete_package $k;	2596	Symbol::delete_package $k;
2170	}	2597	}
2171		2598
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2599	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2600	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2602
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2603	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2604	delete $INC{"cf.pm"};
2185		2605
2186	# don't, removes xs symbols, too,	2606	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2607	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2608	#Symbol::delete_package __PACKAGE__;
2189		2609
2190	# reload cf.pm	2610	warn "unload completed, starting to reload now";
		2611
2191	warn "reloading cf.pm";	2612	warn "reloading cf.pm";
2192	require cf;	2613	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2615
2195	# load config and database again	2616	warn "loading config and database again";
2196	cf::cfg_load;	2617	cf::cfg_load;
2197	cf::db_load;
2198		2618
2199	# load extensions
2200	warn "load extensions";	2619	warn "loading extensions";
2201	cf::load_extensions;	2620	cf::load_extensions;
2202		2621
2203	# reattach attachments to objects	2622	warn "reattaching attachments to objects/players";
2204	warn "reattach";	2623	_global_reattach; # objects, sockets
2205	_global_reattach;	2624	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2625	reattach $_ for values %MAP;
2207	};	2626	warn "reattaching attachments to players";
		2627	reattach $_ for values %PLAYER;
2208		2628
2209	if ($@) {	2629	warn "leaving sync_job";
		2630
		2631	1
		2632	} or do {
2210	warn $@;	2633	warn $@;
2211	warn "error while reloading, exiting.";	2634	warn "error while reloading, exiting.";
2212	exit 1;	2635	exit 1;
2213	}	2636	};
2214		2637
2215	warn "reloaded successfully";	2638	warn "reloaded";
2216	};	2639	};
2217		2640
2218	#############################################################################	2641	our $RELOAD_WATCHER; # used only during reload
2219		2642
2220	unless ($LINK_MAP) {	2643	sub reload_perl() {
2221	$LINK_MAP = cf::map::new;	2644	# doing reload synchronously and two reloads happen back-to-back,
		2645	# coro crashes during coro_state_free->destroy here.
2222		2646
2223	$LINK_MAP->width (41);	2647	$RELOAD_WATCHER ||= Event->timer (
2224	$LINK_MAP->height (41);	2648	reentrant => 0,
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,	2649	after => 0,
		2650	data => WF_AUTOCANCEL,
2233	cb => sub {	2651	cb => sub {
2234	$_[0]->w->cancel;	2652	do_reload_perl;
2235		2653	undef $RELOAD_WATCHER;
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});	2654	},
2254		2655	);
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}	2656	}
2260
2261	register "<global>", __PACKAGE__;
2262		2657
2263	register_command "reload" => sub {	2658	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2659	my ($who, $arg) = @_;
2265		2660
2266	if ($who->flag (FLAG_WIZ)) {	2661	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");
2268	reload;
2269	$who->message ("end of reload.");	2662	$who->message ("reloading server.");
		2663	async { reload_perl };
2270	}	2664	}
2271	};	2665	};
2272		2666
2273	unshift @INC, $LIBDIR;	2667	unshift @INC, $LIBDIR;
		2668
		2669	my $bug_warning = 0;
		2670
		2671	our @WAIT_FOR_TICK;
		2672	our @WAIT_FOR_TICK_BEGIN;
		2673
		2674	sub wait_for_tick {
		2675	return unless $TICK_WATCHER->is_active;
		2676	return if $Coro::current == $Coro::main;
		2677
		2678	my $signal = new Coro::Signal;
		2679	push @WAIT_FOR_TICK, $signal;
		2680	$signal->wait;
		2681	}
		2682
		2683	sub wait_for_tick_begin {
		2684	return unless $TICK_WATCHER->is_active;
		2685	return if $Coro::current == $Coro::main;
		2686
		2687	my $signal = new Coro::Signal;
		2688	push @WAIT_FOR_TICK_BEGIN, $signal;
		2689	$signal->wait;
		2690	}
2274		2691
2275	$TICK_WATCHER = Event->timer (	2692	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2693	reentrant => 0,
		2694	parked => 1,
2277	prio => 0,	2695	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2696	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2697	data => WF_AUTOCANCEL,
2280	cb => sub {	2698	cb => sub {
		2699	if ($Coro::current != $Coro::main) {
		2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2701	unless ++$bug_warning > 10;
		2702	return;
		2703	}
		2704
		2705	$NOW = Event::time;
		2706
2281	cf::server_tick; # one server iteration	2707	cf::server_tick; # one server iteration
		2708
2282	$RUNTIME += $TICK;	2709	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	2710	$NEXT_TICK += $TICK;
2284		2711
		2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2713	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2714	Coro::async_pool {
		2715	write_runtime
		2716	or warn "ERROR: unable to write runtime file: $!";
		2717	};
		2718	}
		2719
		2720	# my $AFTER = Event::time;
		2721	# warn $AFTER - $NOW;#d#
		2722
2285	# if we are delayed by four ticks or more, skip them all	2723	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2725
2288	$TICK_WATCHER->at ($NEXT_TICK);	2726	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	2727	$TICK_WATCHER->start;
		2728
		2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2730	$sig->send;
		2731	}
		2732	while (my $sig = shift @WAIT_FOR_TICK) {
		2733	$sig->send;
		2734	}
		2735
		2736	_post_tick;
2290	},	2737	},
2291	);	2738	);
2292		2739
		2740	{
2293	IO::AIO::max_poll_time $TICK * 0.2;	2741	BDB::max_poll_time $TICK * 0.1;
2294		2742	$BDB_POLL_WATCHER = Event->io (
2295	Event->io (	2743	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2744	fd => BDB::poll_fileno,
2297	poll => 'r',	2745	poll => 'r',
2298	prio => 5,	2746	prio => 0,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,	2747	data => WF_AUTOCANCEL,
2305	after => 0,	2748	cb => \&BDB::poll_cb,
2306	interval => 10,	2749	);
2307	cb => sub {	2750	BDB::min_parallel 8;
2308	(Coro::unblock_sub {	2751
2309	write_runtime	2752	BDB::set_sync_prepare {
2310	or warn "ERROR: unable to write runtime file: $!";	2753	my $status;
		2754	my $current = $Coro::current;
		2755	(
		2756	sub {
		2757	$status = $!;
		2758	$current->ready; undef $current;
		2759	},
		2760	sub {
		2761	Coro::schedule while defined $current;
		2762	$! = $status;
		2763	},
		2764	)
		2765	};
		2766
		2767	unless ($DB_ENV) {
		2768	$DB_ENV = BDB::db_env_create;
		2769
		2770	cf::sync_job {
		2771	eval {
		2772	BDB::db_env_open
		2773	$DB_ENV,
		2774	$BDB_ENV_DIR,
		2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2777	0666;
		2778
		2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2780
		2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2782	$DB_ENV->set_lk_detect;
		2783	};
		2784
		2785	cf::cleanup "db_env_open(db): $@" if $@;
2311	})->();	2786	};
2312	},	2787	}
2313	);	2788	}
		2789
		2790	{
		2791	IO::AIO::min_parallel 8;
		2792
		2793	undef $Coro::AIO::WATCHER;
		2794	IO::AIO::max_poll_time $TICK * 0.1;
		2795	$AIO_POLL_WATCHER = Event->io (
		2796	reentrant => 0,
		2797	data => WF_AUTOCANCEL,
		2798	fd => IO::AIO::poll_fileno,
		2799	poll => 'r',
		2800	prio => 6,
		2801	cb => \&IO::AIO::poll_cb,
		2802	);
		2803	}
2314		2804
2315	END { cf::emergency_save }	2805	END { cf::emergency_save }
2316		2806
2317	1	2807	1
2318		2808

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