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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.109 by root, Sun Dec 31 22:23:12 2006 UTC vs.
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;	87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
178		215
179	sub to_json($) {	216	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
182	}	219	}
		220
		221	=item cf::lock_wait $string
		222
		223	Wait until the given lock is available. See cf::lock_acquire.
		224
		225	=item my $lock = cf::lock_acquire $string
		226
		227	Wait until the given lock is available and then acquires it and returns
		228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		229	for example when the coroutine gets canceled), the lock is automatically
		230	returned.
		231
		232	Lock names should begin with a unique identifier (for example, cf::map::find
		233	uses map_find and cf::map::load uses map_load).
		234
		235	=cut
		236
		237	our %LOCK;
		238
		239	sub lock_wait($) {
		240	my ($key) = @_;
		241
		242	# wait for lock, if any
		243	while ($LOCK{$key}) {
		244	push @{ $LOCK{$key} }, $Coro::current;
		245	Coro::schedule;
		246	}
		247	}
		248
		249	sub lock_acquire($) {
		250	my ($key) = @_;
		251
		252	# wait, to be sure we are not locked
		253	lock_wait $key;
		254
		255	$LOCK{$key} = [];
		256
		257	Coro::guard {
		258	# wake up all waiters, to be on the safe side
		259	$_->ready for @{ delete $LOCK{$key} };
		260	}
		261	}
		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
183		284
184	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
185		286
186	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
187	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
195	=cut	296	=cut
196		297
197	sub sync_job(&) {	298	sub sync_job(&) {
198	my ($job) = @_;	299	my ($job) = @_;
199		300
200	my $busy = 1;
201	my @res;
202
203	# TODO: use suspend/resume instead
204	local $FREEZE = 1;
205
206	my $coro = Coro::async {
207	@res = eval { $job->() };
208	warn $@ if $@;
209	undef $busy;
210	};
211
212	if ($Coro::current == $Coro::main) {	301	if ($Coro::current == $Coro::main) {
		302	# this is the main coro, too bad, we have to block
		303	# till the operation succeeds, freezing the server :/
		304
		305	# TODO: use suspend/resume instead
		306	# (but this is cancel-safe)
		307	my $freeze_guard = freeze_mainloop;
		308
		309	my $busy = 1;
		310	my @res;
		311
		312	(async {
		313	@res = eval { $job->() };
		314	warn $@ if $@;
		315	undef $busy;
213	$coro->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
		317
214	while ($busy) {	318	while ($busy) {
215	Coro::cede_notself;	319	Coro::cede or Event::one_event;
216	Event::one_event unless Coro::nready;
217	}	320	}
		321
		322	wantarray ? @res : $res[0]
218	} else {	323	} else {
219	$coro->join;	324	# we are in another coroutine, how wonderful, everything just works
		325
		326	$job->()
220	}	327	}
221
222	wantarray ? @res : $res[0]
223	}	328	}
224		329
225	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
226		331
227	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
228	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
229		334
230	=cut	335	=cut
231		336
232	sub coro(&) {	337	sub async_ext(&) {
233	my $cb = shift;	338	my $cb = shift;
234		339
235	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
236	eval {
237	$cb->();
238	};
239	warn $@ if $@;
240	};
241		341
242	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
243	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
244	});	344	});
245	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
251	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
252		352
253	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
254	or return;	354	or return;
255		355
256	my $value = $cf::RUNTIME;	356	my $value = $cf::RUNTIME + 90 + 10;
		357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
257	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
258	and return;	361	and return;
259		362
260	aio_fsync $fh	363	aio_fsync $fh
261	and return;	364	and return;
…		…
270	}	373	}
271		374
272	=back	375	=back
273		376
274	=cut	377	=cut
275
276	#############################################################################
277
278	package cf::path;
279
280	sub new {
281	my ($class, $path, $base) = @_;
282
283	my $self = bless { }, $class;
284
285	if ($path =~ s{^\?random/}{}) {
286	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
287	$self->{random} = cf::from_json $data;
288	} else {
289	if ($path =~ s{^~([^/]+)?}{}) {
290	$self->{user_rel} = 1;
291
292	if (defined $1) {
293	$self->{user} = $1;
294	} elsif ($base =~ m{^~([^/]+)/}) {
295	$self->{user} = $1;
296	} else {
297	warn "cannot resolve user-relative path without user <$path,$base>\n";
298	}
299	} elsif ($path =~ /^\//) {
300	# already absolute
301	} else {
302	$base =~ s{[^/]+/?$}{};
303	return $class->new ("$base/$path");
304	}
305
306	for ($path) {
307	redo if s{/\.?/}{/};
308	redo if s{/[^/]+/\.\./}{/};
309	}
310	}
311
312	$self->{path} = $path;
313
314	$self
315	}
316
317	# the name / primary key / in-game path
318	sub as_string {
319	my ($self) = @_;
320
321	$self->{user_rel} ? "~$self->{user}$self->{path}"
322	: $self->{random} ? "?random/$self->{path}"
323	: $self->{path}
324	}
325
326	# the displayed name, this is a one way mapping
327	sub visible_name {
328	my ($self) = @_;
329
330	# if (my $rmp = $self->{random}) {
331	# # todo: be more intelligent about this
332	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
333	# } else {
334	$self->as_string
335	# }
336	}
337
338	# escape the /'s in the path
339	sub _escaped_path {
340	# ∕ is U+2215
341	(my $path = $_[0]{path}) =~ s/\//∕/g;
342	$path
343	}
344
345	# the original (read-only) location
346	sub load_path {
347	my ($self) = @_;
348
349	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
350	}
351
352	# the temporary/swap location
353	sub save_path {
354	my ($self) = @_;
355
356	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
357	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
358	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
359	}
360
361	# the unique path, might be eq to save_path
362	sub uniq_path {
363	my ($self) = @_;
364
365	$self->{user_rel} || $self->{random}
366	? undef
367	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
368	}
369
370	# return random map parameters, or undef
371	sub random_map_params {
372	my ($self) = @_;
373
374	$self->{random}
375	}
376
377	# this is somewhat ugly, but style maps do need special treatment
378	sub is_style_map {
379	$_[0]{path} =~ m{^/styles/}
380	}
381
382	package cf;
383		378
384	#############################################################################	379	#############################################################################
385		380
386	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
387		382
…		…
513	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
514	our @CB_MAP = ();	509	our @CB_MAP = ();
515		510
516	my %attachment;	511	my %attachment;
517		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
518	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
519	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
520		521
521	use sort 'stable';	522	use sort 'stable';
522		523
…		…
693	# object support	694	# object support
694		695
695	sub reattach {	696	sub reattach {
696	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
697	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
698		701
699	my $registry = $obj->registry;	702	my $registry = $obj->registry;
700		703
701	@$registry = ();	704	@$registry = ();
702		705
…		…
795	or return;	798	or return;
796		799
797	unless (aio_stat "$filename.pst") {	800	unless (aio_stat "$filename.pst") {
798	(aio_load "$filename.pst", $av) >= 0	801	(aio_load "$filename.pst", $av) >= 0
799	or return;	802	or return;
800	$av = eval { (Storable::thaw <$av>)->{objs} };	803	$av = eval { (Storable::thaw $av)->{objs} };
801	}	804	}
802		805
		806	warn sprintf "loading %s (%d)\n",
		807	$filename, length $data, scalar @{$av || []};#d#
803	return ($data, $av);	808	return ($data, $av);
804	}	809	}
805		810
806	#############################################################################	811	#############################################################################
807	# command handling &c	812	# command handling &c
…		…
832	=cut	837	=cut
833		838
834	sub register_extcmd {	839	sub register_extcmd {
835	my ($name, $cb) = @_;	840	my ($name, $cb) = @_;
836		841
837	my $caller = caller;
838	#warn "registering extcmd '$name' to '$caller'";
839
840	$EXTCMD{$name} = [$cb, $caller];	842	$EXTCMD{$name} = $cb;
841	}	843	}
842		844
843	cf::player->attach (	845	cf::player->attach (
844	on_command => sub {	846	on_command => sub {
845	my ($pl, $name, $params) = @_;	847	my ($pl, $name, $params) = @_;
…		…
858		860
859	my $msg = eval { from_json $buf };	861	my $msg = eval { from_json $buf };
860		862
861	if (ref $msg) {	863	if (ref $msg) {
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
863	if (my %reply = $cb->[0]->($pl, $msg)) {	865	if (my %reply = $cb->($pl, $msg)) {
864	$pl->ext_reply ($msg->{msgid}, %reply);	866	$pl->ext_reply ($msg->{msgid}, %reply);
865	}	867	}
866	}	868	}
867	} else {	869	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
870		872
871	cf::override;	873	cf::override;
872	},	874	},
873	);	875	);
874		876
875	sub register {
876	my ($base, $pkg) = @_;
877
878	#TODO
879	}
880
881	sub load_extension {	877	sub load_extension {
882	my ($path) = @_;	878	my ($path) = @_;
883		879
884	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
885	my $base = $1;	881	my $base = $1;
886	my $pkg = $1;	882	my $pkg = $1;
887	$pkg =~ s/[^[:word:]]/_/g;	883	$pkg =~ s/[^[:word:]]/_/g;
888	$pkg = "ext::$pkg";	884	$pkg = "ext::$pkg";
889		885
890	warn "loading '$path' into '$pkg'\n";	886	warn "... loading '$path' into '$pkg'\n";
891		887
892	open my $fh, "<:utf8", $path	888	open my $fh, "<:utf8", $path
893	or die "$path: $!";	889	or die "$path: $!";
894		890
895	my $source =	891	my $source =
896	"package $pkg; use strict; use utf8;\n"	892	"package $pkg; use strict; use utf8;\n"
897	. "#line 1 \"$path\"\n{\n"	893	. "#line 1 \"$path\"\n{\n"
898	. (do { local $/; <$fh> })	894	. (do { local $/; <$fh> })
899	. "\n};\n1";	895	. "\n};\n1";
900		896
901	eval $source	897	unless (eval $source) {
902	or die $@ ? "$path: $@\n"	898	my $msg = $@ ? "$path: $@\n"
903	: "extension disabled.\n";	899	: "extension disabled.\n";
904		900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
905	push @exts, $pkg;	901	warn $@;
906	$ext_pkg{$base} = $pkg;	902	warn "mandatory extension failed to load, exiting.\n";
907		903	exit 1;
908	# no strict 'refs';	904	}
909	# @{"$pkg\::ISA"} = ext::;	905	die $@;
910
911	register $base, $pkg;
912	}
913
914	sub unload_extension {
915	my ($pkg) = @_;
916
917	warn "removing extension $pkg\n";
918
919	# remove hooks
920	#TODO
921	# for my $idx (0 .. $#PLUGIN_EVENT) {
922	# delete $hook[$idx]{$pkg};
923	# }	906	}
924		907
925	# remove commands	908	push @EXTS, $pkg;
926	for my $name (keys %COMMAND) {
927	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
928
929	if (@cb) {
930	$COMMAND{$name} = \@cb;
931	} else {
932	delete $COMMAND{$name};
933	}
934	}
935
936	# remove extcmds
937	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
938	delete $EXTCMD{$name};
939	}
940
941	if (my $cb = $pkg->can ("unload")) {
942	eval {
943	$cb->($pkg);
944	1
945	} or warn "$pkg unloaded, but with errors: $@";
946	}
947
948	Symbol::delete_package $pkg;
949	}	909	}
950		910
951	sub load_extensions {	911	sub load_extensions {
952	for my $ext (<$LIBDIR/*.ext>) {	912	for my $ext (<$LIBDIR/*.ext>) {
953	next unless -r $ext;	913	next unless -r $ext;
…		…
957	} or warn "$ext not loaded: $@";	917	} or warn "$ext not loaded: $@";
958	}	918	}
959	}	919	}
960		920
961	#############################################################################	921	#############################################################################
962	# load/save/clean perl data associated with a map
963		922
964	*cf::mapsupport::on_clean = sub {	923	=head2 CORE EXTENSIONS
		924
		925	Functions and methods that extend core crossfire objects.
		926
		927	=cut
		928
		929	package cf::player;
		930
		931	use Coro::AIO;
		932
		933	=head3 cf::player
		934
		935	=over 4
		936
		937	=item cf::player::find $login
		938
		939	Returns the given player object, loading it if necessary (might block).
		940
		941	=cut
		942
		943	sub playerdir($) {
		944	cf::localdir
		945	. "/"
		946	. cf::playerdir
		947	. "/"
		948	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		949	}
		950
		951	sub path($) {
		952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		953
		954	(playerdir $login) . "/$login.pl"
		955	}
		956
		957	sub find_active($) {
		958	$cf::PLAYER{$_[0]}
		959	and $cf::PLAYER{$_[0]}->active
		960	and $cf::PLAYER{$_[0]}
		961	}
		962
		963	sub exists($) {
		964	my ($login) = @_;
		965
		966	$cf::PLAYER{$login}
		967	or cf::sync_job { !aio_stat path $login }
		968	}
		969
		970	sub find($) {
		971	return $cf::PLAYER{$_[0]} || do {
		972	my $login = $_[0];
		973
		974	my $guard = cf::lock_acquire "user_find:$login";
		975
		976	$cf::PLAYER{$_[0]} || do {
		977	my $pl = load_pl path $login
		978	or return;
		979	$cf::PLAYER{$login} = $pl
		980	}
		981	}
		982	}
		983
		984	sub save($) {
		985	my ($pl) = @_;
		986
		987	return if $pl->{deny_save};
		988
		989	my $path = path $pl;
		990	my $guard = cf::lock_acquire "user_save:$path";
		991
		992	return if $pl->{deny_save};
		993
		994	aio_mkdir playerdir $pl, 0770;
		995	$pl->{last_save} = $cf::RUNTIME;
		996
		997	$pl->save_pl ($path);
		998	Coro::cede;
		999	}
		1000
		1001	sub new($) {
		1002	my ($login) = @_;
		1003
		1004	my $self = create;
		1005
		1006	$self->ob->name ($login);
		1007	$self->{deny_save} = 1;
		1008
		1009	$cf::PLAYER{$login} = $self;
		1010
		1011	$self
		1012	}
		1013
		1014	=item $pl->quit_character
		1015
		1016	Nukes the player without looking back. If logged in, the connection will
		1017	be destroyed. May block for a long time.
		1018
		1019	=cut
		1020
		1021	sub quit_character {
		1022	my ($pl) = @_;
		1023
		1024	$pl->{deny_save} = 1;
		1025	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1026
		1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1028	$pl->deactivate;
		1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1030	$pl->ns->destroy if $pl->ns;
		1031
		1032	my $path = playerdir $pl;
		1033	my $temp = "$path~$cf::RUNTIME~deleting~";
		1034	aio_rename $path, $temp;
		1035	delete $cf::PLAYER{$pl->ob->name};
		1036	$pl->destroy;
		1037	IO::AIO::aio_rmtree $temp;
		1038	}
		1039
		1040	=item cf::player::list_logins
		1041
		1042	Returns am arrayref of all valid playernames in the system, can take a
		1043	while and may block, so not sync_job-capable, ever.
		1044
		1045	=cut
		1046
		1047	sub list_logins {
		1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1049	or return [];
		1050
		1051	my @logins;
		1052
		1053	for my $login (@$dirs) {
		1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1055	aio_read $fh, 0, 512, my $buf, 0 or next;
		1056	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1057
		1058	utf8::decode $login;
		1059	push @logins, $login;
		1060	}
		1061
		1062	\@logins
		1063	}
		1064
		1065	=item $player->maps
		1066
		1067	Returns an arrayref of map paths that are private for this
		1068	player. May block.
		1069
		1070	=cut
		1071
		1072	sub maps($) {
		1073	my ($pl) = @_;
		1074
		1075	my $files = aio_readdir playerdir $pl
		1076	or return;
		1077
		1078	my @paths;
		1079
		1080	for (@$files) {
		1081	utf8::decode $_;
		1082	next if /\.(?:pl|pst)$/;
		1083	next unless /^$PATH_SEP/o;
		1084
		1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1086	}
		1087
		1088	\@paths
		1089	}
		1090
		1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1092
		1093	Sends an ext reply to the player.
		1094
		1095	=cut
		1096
		1097	sub ext_reply($$$%) {
		1098	my ($self, $id, %msg) = @_;
		1099
		1100	$msg{msgid} = $id;
		1101
		1102	$self->send ("ext " . cf::to_json \%msg);
		1103	}
		1104
		1105	package cf;
		1106
		1107	=back
		1108
		1109
		1110	=head3 cf::map
		1111
		1112	=over 4
		1113
		1114	=cut
		1115
		1116	package cf::map;
		1117
		1118	use Fcntl;
		1119	use Coro::AIO;
		1120
		1121	use overload
		1122	'""' => \&as_string,
		1123	fallback => 1;
		1124
		1125	our $MAX_RESET = 3600;
		1126	our $DEFAULT_RESET = 3000;
		1127
		1128	sub generate_random_map {
		1129	my ($self, $rmp) = @_;
		1130	# mit "rum" bekleckern, nicht
		1131	$self->_create_random_map (
		1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1135	$rmp->{exit_on_final_map},
		1136	$rmp->{xsize}, $rmp->{ysize},
		1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1139	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1140	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1141	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1142	(cf::region::find $rmp->{region}), $rmp->{custom}
		1143	)
		1144	}
		1145
		1146	=item cf::map->register ($regex, $prio)
		1147
		1148	Register a handler for the map path matching the given regex at the
		1149	givne priority (higher is better, built-in handlers have priority 0, the
		1150	default).
		1151
		1152	=cut
		1153
		1154	sub register {
		1155	my (undef, $regex, $prio) = @_;
		1156	my $pkg = caller;
		1157
		1158	no strict;
		1159	push @{"$pkg\::ISA"}, __PACKAGE__;
		1160
		1161	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1162	}
		1163
		1164	# also paths starting with '/'
		1165	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1166
		1167	sub thawer_merge {
		1168	my ($self, $merge) = @_;
		1169
		1170	# we have to keep some variables in memory intact
		1171	local $self->{path};
		1172	local $self->{load_path};
		1173	local $self->{deny_save};
		1174	local $self->{deny_reset};
		1175
		1176	$self->SUPER::thawer_merge ($merge);
		1177	}
		1178
		1179	sub normalise {
		1180	my ($path, $base) = @_;
		1181
		1182	$path = "$path"; # make sure its a string
		1183
		1184	$path =~ s/\.map$//;
		1185
		1186	# map plan:
		1187	#
		1188	# /! non-realised random map exit (special hack!)
		1189	# {... are special paths that are not being touched
		1190	# ?xxx/... are special absolute paths
		1191	# ?random/... random maps
		1192	# /... normal maps
		1193	# ~user/... per-player map of a specific user
		1194
		1195	$path =~ s/$PATH_SEP/\//go;
		1196
		1197	# treat it as relative path if it starts with
		1198	# something that looks reasonable
		1199	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1200	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1201
		1202	$base =~ s{[^/]+/?$}{};
		1203	$path = "$base/$path";
		1204	}
		1205
		1206	for ($path) {
		1207	redo if s{//}{/};
		1208	redo if s{/\.?/}{/};
		1209	redo if s{/[^/]+/\.\./}{/};
		1210	}
		1211
		1212	$path
		1213	}
		1214
		1215	sub new_from_path {
		1216	my (undef, $path, $base) = @_;
		1217
		1218	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1219
		1220	$path = normalise $path, $base;
		1221
		1222	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1223	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1224	my $self = bless cf::map::new, $pkg;
		1225	$self->{path} = $path; $self->path ($path);
		1226	$self->init; # pass $1 etc.
		1227	return $self;
		1228	}
		1229	}
		1230
		1231	Carp::carp "unable to resolve path '$path' (base '$base').";
		1232	()
		1233	}
		1234
		1235	sub init {
		1236	my ($self) = @_;
		1237
		1238	$self
		1239	}
		1240
		1241	sub as_string {
		1242	my ($self) = @_;
		1243
		1244	"$self->{path}"
		1245	}
		1246
		1247	# the displayed name, this is a one way mapping
		1248	sub visible_name {
		1249	&as_string
		1250	}
		1251
		1252	# the original (read-only) location
		1253	sub load_path {
		1254	my ($self) = @_;
		1255
		1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1257	}
		1258
		1259	# the temporary/swap location
		1260	sub save_path {
		1261	my ($self) = @_;
		1262
		1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1265	}
		1266
		1267	# the unique path, undef == no special unique path
		1268	sub uniq_path {
		1269	my ($self) = @_;
		1270
		1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1273	}
		1274
		1275	# and all this just because we cannot iterate over
		1276	# all maps in C++...
		1277	sub change_all_map_light {
		1278	my ($change) = @_;
		1279
		1280	$_->change_map_light ($change)
		1281	for grep $_->outdoor, values %cf::MAP;
		1282	}
		1283
		1284	sub unlink_save {
		1285	my ($self) = @_;
		1286
		1287	utf8::encode (my $save = $self->save_path);
		1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1289	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1290	}
		1291
		1292	sub load_header_from($) {
		1293	my ($self, $path) = @_;
		1294
		1295	utf8::encode $path;
		1296	aio_open $path, O_RDONLY, 0
		1297	or return;
		1298
		1299	$self->_load_header ($path)
		1300	or return;
		1301
		1302	$self->{load_path} = $path;
		1303
		1304	1
		1305	}
		1306
		1307	sub load_header_orig {
		1308	my ($self) = @_;
		1309
		1310	$self->load_header_from ($self->load_path)
		1311	}
		1312
		1313	sub load_header_temp {
		1314	my ($self) = @_;
		1315
		1316	$self->load_header_from ($self->save_path)
		1317	}
		1318
		1319	sub prepare_temp {
		1320	my ($self) = @_;
		1321
		1322	$self->last_access ((delete $self->{last_access})
		1323	|| $cf::RUNTIME); #d#
		1324	# safety
		1325	$self->{instantiate_time} = $cf::RUNTIME
		1326	if $self->{instantiate_time} > $cf::RUNTIME;
		1327	}
		1328
		1329	sub prepare_orig {
		1330	my ($self) = @_;
		1331
		1332	$self->{load_original} = 1;
		1333	$self->{instantiate_time} = $cf::RUNTIME;
		1334	$self->last_access ($cf::RUNTIME);
		1335	$self->instantiate;
		1336	}
		1337
		1338	sub load_header {
		1339	my ($self) = @_;
		1340
		1341	if ($self->load_header_temp) {
		1342	$self->prepare_temp;
		1343	} else {
		1344	$self->load_header_orig
		1345	or return;
		1346	$self->prepare_orig;
		1347	}
		1348
		1349	1
		1350	}
		1351
		1352	sub find;
		1353	sub find {
		1354	my ($path, $origin) = @_;
		1355
		1356	$path = normalise $path, $origin && $origin->path;
		1357
		1358	cf::lock_wait "map_find:$path";
		1359
		1360	$cf::MAP{$path} || do {
		1361	my $guard = cf::lock_acquire "map_find:$path";
		1362	my $map = new_from_path cf::map $path
		1363	or return;
		1364
		1365	$map->{last_save} = $cf::RUNTIME;
		1366
		1367	$map->load_header
		1368	or return;
		1369
		1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1371	# doing this can freeze the server in a sync job, obviously
		1372	#$cf::WAIT_FOR_TICK->wait;
		1373	$map->reset;
		1374	undef $guard;
		1375	return find $path;
		1376	}
		1377
		1378	$cf::MAP{$path} = $map
		1379	}
		1380	}
		1381
		1382	sub pre_load { }
		1383	sub post_load { }
		1384
		1385	sub load {
		1386	my ($self) = @_;
		1387
		1388	local $self->{deny_reset} = 1; # loading can take a long time
		1389
		1390	my $path = $self->{path};
		1391	my $guard = cf::lock_acquire "map_load:$path";
		1392
		1393	return if $self->in_memory != cf::MAP_SWAPPED;
		1394
		1395	$self->in_memory (cf::MAP_LOADING);
		1396
		1397	$self->alloc;
		1398
		1399	$self->pre_load;
		1400
		1401	$self->_load_objects ($self->{load_path}, 1)
		1402	or return;
		1403
		1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1405	if delete $self->{load_original};
		1406
		1407	if (my $uniq = $self->uniq_path) {
		1408	utf8::encode $uniq;
		1409	if (aio_open $uniq, O_RDONLY, 0) {
		1410	$self->clear_unique_items;
		1411	$self->_load_objects ($uniq, 0);
		1412	}
		1413	}
		1414
		1415	Coro::cede;
		1416
		1417	# now do the right thing for maps
		1418	$self->link_multipart_objects;
		1419
		1420	unless ($self->{deny_activate}) {
		1421	$self->decay_objects;
		1422	$self->fix_auto_apply;
		1423	$self->update_buttons;
		1424	Coro::cede;
		1425	$self->set_darkness_map;
		1426	$self->difficulty ($self->estimate_difficulty)
		1427	unless $self->difficulty;
		1428	Coro::cede;
		1429	$self->activate;
		1430	}
		1431
		1432	$self->post_load;
		1433
		1434	$self->in_memory (cf::MAP_IN_MEMORY);
		1435	}
		1436
		1437	sub customise_for {
		1438	my ($self, $ob) = @_;
		1439
		1440	return find "~" . $ob->name . "/" . $self->{path}
		1441	if $self->per_player;
		1442
		1443	$self
		1444	}
		1445
		1446	# find and load all maps in the 3x3 area around a map
		1447	sub load_diag {
965	my ($map) = @_;	1448	my ($map) = @_;
966		1449
967	my $path = $map->tmpname;	1450	my @diag; # diagonal neighbours
968	defined $path or return;
969		1451
970	unlink "$path.pst";	1452	for (0 .. 3) {
971	};	1453	my $neigh = $map->tile_path ($_)
		1454	or next;
		1455	$neigh = find $neigh, $map
		1456	or next;
		1457	$neigh->load;
972		1458
973	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1461	}
974		1462
975	#############################################################################	1463	for (@diag) {
976	# load/save perl data associated with player->ob objects	1464	my $neigh = find @$_
977		1465	or next;
978	sub all_objects(@) {	1466	$neigh->load;
979	@_, map all_objects ($_->inv), @_	1467	}
980	}	1468	}
981		1469
982	# TODO: compatibility cruft, remove when no longer needed	1470	sub find_sync {
983	cf::player->attach (	1471	my ($path, $origin) = @_;
984	on_load => sub {
985	my ($pl, $path) = @_;
986		1472
987	for my $o (all_objects $pl->ob) {	1473	cf::sync_job { find $path, $origin }
988	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1474	}
989	$o->set_ob_key_value ("_perl_data");
990		1475
991	%$o = %{ Storable::thaw pack "H*", $value };	1476	sub do_load_sync {
		1477	my ($map) = @_;
		1478
		1479	cf::sync_job { $map->load };
		1480	}
		1481
		1482	our %MAP_PREFETCH;
		1483	our $MAP_PREFETCHER = undef;
		1484
		1485	sub find_async {
		1486	my ($path, $origin) = @_;
		1487
		1488	$path = normalise $path, $origin && $origin->{path};
		1489
		1490	if (my $map = $cf::MAP{$path}) {
		1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1492	}
		1493
		1494	undef $MAP_PREFETCH{$path};
		1495	$MAP_PREFETCHER ||= cf::async {
		1496	while (%MAP_PREFETCH) {
		1497	for my $path (keys %MAP_PREFETCH) {
		1498	my $map = find $path
		1499	or next;
		1500	$map->load;
		1501
		1502	delete $MAP_PREFETCH{$path};
992	}	1503	}
993	}	1504	}
		1505	undef $MAP_PREFETCHER;
		1506	};
		1507	$MAP_PREFETCHER->prio (6);
		1508
		1509	()
		1510	}
		1511
		1512	sub save {
		1513	my ($self) = @_;
		1514
		1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1516
		1517	$self->{last_save} = $cf::RUNTIME;
		1518
		1519	return unless $self->dirty;
		1520
		1521	my $save = $self->save_path; utf8::encode $save;
		1522	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1523
		1524	$self->{load_path} = $save;
		1525
		1526	return if $self->{deny_save};
		1527
		1528	local $self->{last_access} = $self->last_access;#d#
		1529
		1530	cf::async {
		1531	$_->contr->save for $self->players;
		1532	};
		1533
		1534	if ($uniq) {
		1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		1537	} else {
		1538	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
994	},	1539	}
995	);	1540	}
996		1541
997	#############################################################################	1542	sub swap_out {
		1543	my ($self) = @_;
998		1544
999	=head2 CORE EXTENSIONS	1545	# save first because save cedes
		1546	$self->save;
1000		1547
1001	Functions and methods that extend core crossfire objects.	1548	my $lock = cf::lock_acquire "map_data:" . $self->path;
1002		1549
1003	=head3 cf::player	1550	return if $self->players;
		1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1552	return if $self->{deny_save};
		1553
		1554	$self->clear;
		1555	$self->in_memory (cf::MAP_SWAPPED);
		1556	}
		1557
		1558	sub reset_at {
		1559	my ($self) = @_;
		1560
		1561	# TODO: safety, remove and allow resettable per-player maps
		1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1563	return 1e99 if $self->{deny_reset};
		1564
		1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1567
		1568	$time + $to
		1569	}
		1570
		1571	sub should_reset {
		1572	my ($self) = @_;
		1573
		1574	$self->reset_at <= $cf::RUNTIME
		1575	}
		1576
		1577	sub reset {
		1578	my ($self) = @_;
		1579
		1580	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1581
		1582	return if $self->players;
		1583	return if $self->isa ("ext::map_per_player");#d#
		1584
		1585	warn "resetting map ", $self->path;#d#
		1586
		1587	delete $cf::MAP{$self->path};
		1588
		1589	$self->in_memory (cf::MAP_SWAPPED);
		1590	$self->clear;
		1591
		1592	$_->clear_links_to ($self) for values %cf::MAP;
		1593
		1594	$self->unlink_save;
		1595	$self->destroy;
		1596	}
		1597
		1598	my $nuke_counter = "aaaa";
		1599
		1600	sub nuke {
		1601	my ($self) = @_;
		1602
		1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->unlink_save;
		1606
		1607	bless $self, "cf::map";
		1608	delete $self->{deny_reset};
		1609	$self->{deny_save} = 1;
		1610	$self->reset_timeout (1);
		1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1612
		1613	$cf::MAP{$self->path} = $self;
		1614
		1615	$self->reset; # polite request, might not happen
		1616	}
		1617
		1618	=item cf::map::unique_maps
		1619
		1620	Returns an arrayref of paths of all shared maps that have
		1621	instantiated unique items. May block.
		1622
		1623	=cut
		1624
		1625	sub unique_maps() {
		1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1627	or return;
		1628
		1629	my @paths;
		1630
		1631	for (@$files) {
		1632	utf8::decode $_;
		1633	next if /\.pst$/;
		1634	next unless /^$PATH_SEP/o;
		1635
		1636	push @paths, cf::map::normalise $_;
		1637	}
		1638
		1639	\@paths
		1640	}
		1641
		1642	package cf;
		1643
		1644	=back
		1645
		1646	=head3 cf::object
		1647
		1648	=cut
		1649
		1650	package cf::object;
1004		1651
1005	=over 4	1652	=over 4
1006		1653
1007	=item cf::player::exists $login	1654	=item $ob->inv_recursive
1008		1655
1009	Returns true when the given account exists.	1656	Returns the inventory of the object _and_ their inventories, recursively.
1010		1657
1011	=cut	1658	=cut
1012		1659
1013	sub cf::player::exists($) {	1660	sub inv_recursive_;
1014	cf::player::find $_[0]	1661	sub inv_recursive_ {
1015	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1662	map { $_, inv_recursive_ $_->inv } @_
1016	}	1663	}
1017		1664
1018	=item $player->ext_reply ($msgid, $msgtype, %msg)	1665	sub inv_recursive {
1019		1666	inv_recursive_ inv $_[0]
1020	Sends an ext reply to the player.
1021
1022	=cut
1023
1024	sub cf::player::ext_reply($$$%) {
1025	my ($self, $id, %msg) = @_;
1026
1027	$msg{msgid} = $id;
1028
1029	$self->send ("ext " . to_json \%msg);
1030	}	1667	}
		1668
		1669	package cf;
1031		1670
1032	=back	1671	=back
1033		1672
1034	=head3 cf::object::player	1673	=head3 cf::object::player
1035		1674
…		…
1073	(ref $cf::CFG{"may_$access"}	1712	(ref $cf::CFG{"may_$access"}
1074	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1713	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1075	: $cf::CFG{"may_$access"})	1714	: $cf::CFG{"may_$access"})
1076	}	1715	}
1077		1716
		1717	=item $player_object->enter_link
		1718
		1719	Freezes the player and moves him/her to a special map (C<{link}>).
		1720
		1721	The player should be reasonably safe there for short amounts of time. You
		1722	I<MUST> call C<leave_link> as soon as possible, though.
		1723
		1724	Will never block.
		1725
		1726	=item $player_object->leave_link ($map, $x, $y)
		1727
		1728	Moves the player out of the special C<{link}> map onto the specified
		1729	map. If the map is not valid (or omitted), the player will be moved back
		1730	to the location he/she was before the call to C<enter_link>, or, if that
		1731	fails, to the emergency map position.
		1732
		1733	Might block.
		1734
		1735	=cut
		1736
		1737	sub link_map {
		1738	unless ($LINK_MAP) {
		1739	$LINK_MAP = cf::map::find "{link}"
		1740	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1741	$LINK_MAP->load;
		1742	}
		1743
		1744	$LINK_MAP
		1745	}
		1746
		1747	sub cf::object::player::enter_link {
		1748	my ($self) = @_;
		1749
		1750	$self->deactivate_recursive;
		1751
		1752	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1753
		1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1755	if $self->map;
		1756
		1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		1758	}
		1759
		1760	sub cf::object::player::leave_link {
		1761	my ($self, $map, $x, $y) = @_;
		1762
		1763	my $link_pos = delete $self->{_link_pos};
		1764
		1765	unless ($map) {
		1766	# restore original map position
		1767	($map, $x, $y) = @{ $link_pos || [] };
		1768	$map = cf::map::find $map;
		1769
		1770	unless ($map) {
		1771	($map, $x, $y) = @$EMERGENCY_POSITION;
		1772	$map = cf::map::find $map
		1773	or die "FATAL: cannot load emergency map\n";
		1774	}
		1775	}
		1776
		1777	($x, $y) = (-1, -1)
		1778	unless (defined $x) && (defined $y);
		1779
		1780	# use -1 or undef as default coordinates, not 0, 0
		1781	($x, $y) = ($map->enter_x, $map->enter_y)
		1782	if $x <=0 && $y <= 0;
		1783
		1784	$map->load;
		1785	$map->load_diag;
		1786
		1787	return unless $self->contr->active;
		1788	$self->activate_recursive;
		1789	$self->enter_map ($map, $x, $y);
		1790	}
		1791
		1792	cf::player->attach (
		1793	on_logout => sub {
		1794	my ($pl) = @_;
		1795
		1796	# abort map switching before logout
		1797	if ($pl->ob->{_link_pos}) {
		1798	cf::sync_job {
		1799	$pl->ob->leave_link
		1800	};
		1801	}
		1802	},
		1803	on_login => sub {
		1804	my ($pl) = @_;
		1805
		1806	# try to abort aborted map switching on player login :)
		1807	# should happen only on crashes
		1808	if ($pl->ob->{_link_pos}) {
		1809	$pl->ob->enter_link;
		1810	(async {
		1811	# we need this sleep as the login has a concurrent enter_exit running
		1812	# and this sleep increases chances of the player not ending up in scorn
		1813	$pl->ob->reply (undef,
		1814	"There was an internal problem at your last logout, "
		1815	. "the server will try to bring you to your intended destination in a second.",
		1816	cf::NDI_RED);
		1817	Coro::Timer::sleep 1;
		1818	$pl->ob->leave_link;
		1819	})->prio (2);
		1820	}
		1821	},
		1822	);
		1823
		1824	=item $player_object->goto ($path, $x, $y)
		1825
		1826	=cut
		1827
		1828	sub cf::object::player::goto {
		1829	my ($self, $path, $x, $y) = @_;
		1830
		1831	$self->enter_link;
		1832
		1833	(async {
		1834	my $map = eval {
		1835	my $map = cf::map::find $path;
		1836	$map = $map->customise_for ($self) if $map;
		1837	$map
		1838	} or
		1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1840
		1841	$self->leave_link ($map, $x, $y);
		1842	})->prio (1);
		1843	}
		1844
		1845	=item $player_object->enter_exit ($exit_object)
		1846
		1847	=cut
		1848
		1849	sub parse_random_map_params {
		1850	my ($spec) = @_;
		1851
		1852	my $rmp = { # defaults
		1853	xsize => (cf::rndm 15, 40),
		1854	ysize => (cf::rndm 15, 40),
		1855	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1856	#layout => string,
		1857	};
		1858
		1859	for (split /\n/, $spec) {
		1860	my ($k, $v) = split /\s+/, $_, 2;
		1861
		1862	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1863	}
		1864
		1865	$rmp
		1866	}
		1867
		1868	sub prepare_random_map {
		1869	my ($exit) = @_;
		1870
		1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		1872
		1873	# all this does is basically replace the /! path by
		1874	# a new random map path (?random/...) with a seed
		1875	# that depends on the exit object
		1876
		1877	my $rmp = parse_random_map_params $exit->msg;
		1878
		1879	if ($exit->map) {
		1880	$rmp->{region} = $exit->region->name;
		1881	$rmp->{origin_map} = $exit->map->path;
		1882	$rmp->{origin_x} = $exit->x;
		1883	$rmp->{origin_y} = $exit->y;
		1884	}
		1885
		1886	$rmp->{random_seed} ||= $exit->random_seed;
		1887
		1888	my $data = cf::to_json $rmp;
		1889	my $md5 = Digest::MD5::md5_hex $data;
		1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
		1891
		1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		1893	aio_write $fh, 0, (length $data), $data, 0;
		1894	undef $fh;
		1895	aio_rename "$meta~", $meta;
		1896
		1897	$exit->slaying ("?random/$md5");
		1898	$exit->msg (undef);
		1899	}
		1900	}
		1901
		1902	sub cf::object::player::enter_exit {
		1903	my ($self, $exit) = @_;
		1904
		1905	return unless $self->type == cf::PLAYER;
		1906
		1907	if ($exit->slaying eq "/!") {
		1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1909	cf::sync_job { prepare_random_map $exit };
		1910	}
		1911
		1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1913	my $hp = $exit->stats->hp;
		1914	my $sp = $exit->stats->sp;
		1915
		1916	$self->enter_link;
		1917
		1918	(async {
		1919	$self->deactivate_recursive; # just to be sure
		1920	unless (eval {
		1921	$self->goto ($slaying, $hp, $sp);
		1922
		1923	1;
		1924	}) {
		1925	$self->message ("Something went wrong deep within the crossfire server. "
		1926	. "I'll try to bring you back to the map you were before. "
		1927	. "Please report this to the dungeon master!",
		1928	cf::NDI_UNIQUE | cf::NDI_RED);
		1929
		1930	warn "ERROR in enter_exit: $@";
		1931	$self->leave_link;
		1932	}
		1933	})->prio (1);
		1934	}
		1935
1078	=head3 cf::client	1936	=head3 cf::client
1079		1937
1080	=over 4	1938	=over 4
1081		1939
1082	=item $client->send_drawinfo ($text, $flags)	1940	=item $client->send_drawinfo ($text, $flags)
…		…
1125	on_reply => sub {	1983	on_reply => sub {
1126	my ($ns, $msg) = @_;	1984	my ($ns, $msg) = @_;
1127		1985
1128	# this weird shuffling is so that direct followup queries	1986	# this weird shuffling is so that direct followup queries
1129	# get handled first	1987	# get handled first
1130	my $queue = delete $ns->{query_queue};	1988	my $queue = delete $ns->{query_queue}
		1989	or return; # be conservative, not sure how that can happen, but we saw a crash here
1131		1990
1132	(shift @$queue)->[1]->($msg);	1991	(shift @$queue)->[1]->($msg);
1133		1992
1134	push @{ $ns->{query_queue} }, @$queue;	1993	push @{ $ns->{query_queue} }, @$queue;
1135		1994
…		…
1141	}	2000	}
1142	}	2001	}
1143	},	2002	},
1144	);	2003	);
1145		2004
1146	=item $client->coro (\&cb)	2005	=item $client->async (\&cb)
1147		2006
1148	Create a new coroutine, running the specified callback. The coroutine will	2007	Create a new coroutine, running the specified callback. The coroutine will
1149	be automatically cancelled when the client gets destroyed (e.g. on logout,	2008	be automatically cancelled when the client gets destroyed (e.g. on logout,
1150	or loss of connection).	2009	or loss of connection).
1151		2010
1152	=cut	2011	=cut
1153		2012
1154	sub cf::client::coro {	2013	sub cf::client::async {
1155	my ($self, $cb) = @_;	2014	my ($self, $cb) = @_;
1156		2015
1157	my $coro; $coro = async {	2016	my $coro = &Coro::async ($cb);
1158	eval {
1159	$cb->();
1160	};
1161	warn $@ if $@;
1162	};
1163		2017
1164	$coro->on_destroy (sub {	2018	$coro->on_destroy (sub {
1165	delete $self->{_coro}{$coro+0};	2019	delete $self->{_coro}{$coro+0};
1166	});	2020	});
1167		2021
…		…
1339		2193
1340	{	2194	{
1341	my $path = cf::localdir . "/database.pst";	2195	my $path = cf::localdir . "/database.pst";
1342		2196
1343	sub db_load() {	2197	sub db_load() {
1344	warn "loading database $path\n";#d# remove later
1345	$DB = stat $path ? Storable::retrieve $path : { };	2198	$DB = stat $path ? Storable::retrieve $path : { };
1346	}	2199	}
1347		2200
1348	my $pid;	2201	my $pid;
1349		2202
1350	sub db_save() {	2203	sub db_save() {
1351	warn "saving database $path\n";#d# remove later
1352	waitpid $pid, 0 if $pid;	2204	waitpid $pid, 0 if $pid;
1353	if (0 == ($pid = fork)) {	2205	if (0 == ($pid = fork)) {
1354	$DB->{_meta}{version} = 1;	2206	$DB->{_meta}{version} = 1;
1355	Storable::nstore $DB, "$path~";	2207	Storable::nstore $DB, "$path~";
1356	rename "$path~", $path;	2208	rename "$path~", $path;
…		…
1363	sub db_sync() {	2215	sub db_sync() {
1364	db_save if $dirty;	2216	db_save if $dirty;
1365	undef $dirty;	2217	undef $dirty;
1366	}	2218	}
1367		2219
1368	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2220	my $idle = Event->idle (
1369	db_sync;	2221	reentrant => 0,
		2222	min => 10,
		2223	max => 20,
		2224	repeat => 0,
		2225	data => WF_AUTOCANCEL,
		2226	cb => \&db_sync,
1370	});	2227	);
1371		2228
1372	sub db_dirty() {	2229	sub db_dirty() {
1373	$dirty = 1;	2230	$dirty = 1;
1374	$idle->start;	2231	$idle->start;
1375	}	2232	}
…		…
1404	open my $fh, "<:utf8", cf::confdir . "/config"	2261	open my $fh, "<:utf8", cf::confdir . "/config"
1405	or return;	2262	or return;
1406		2263
1407	local $/;	2264	local $/;
1408	*CFG = YAML::Syck::Load <$fh>;	2265	*CFG = YAML::Syck::Load <$fh>;
		2266
		2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2268
		2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2271
		2272	if (exists $CFG{mlockall}) {
		2273	eval {
		2274	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2275	and die "WARNING: m(un)lockall failed: $!\n";
		2276	};
		2277	warn $@ if $@;
		2278	}
1409	}	2279	}
1410		2280
1411	sub main {	2281	sub main {
1412	# we must not ever block the main coroutine	2282	# we must not ever block the main coroutine
1413	local $Coro::idle = sub {	2283	local $Coro::idle = sub {
1414	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1415	(Coro::unblock_sub {	2285	(async {
1416	Event::one_event;	2286	Event::one_event;
1417	})->();	2287	})->prio (Coro::PRIO_MAX);
1418	};	2288	};
1419		2289
1420	cfg_load;	2290	cfg_load;
1421	db_load;	2291	db_load;
1422	load_extensions;	2292	load_extensions;
		2293
		2294	$TICK_WATCHER->start;
1423	Event::loop;	2295	Event::loop;
1424	}	2296	}
1425		2297
1426	#############################################################################	2298	#############################################################################
1427	# initialisation	2299	# initialisation and cleanup
1428		2300
		2301	# install some emergency cleanup handlers
		2302	BEGIN {
		2303	for my $signal (qw(INT HUP TERM)) {
		2304	Event->signal (
		2305	reentrant => 0,
		2306	data => WF_AUTOCANCEL,
		2307	signal => $signal,
		2308	prio => 0,
		2309	cb => sub {
		2310	cf::cleanup "SIG$signal";
		2311	},
		2312	);
		2313	}
		2314	}
		2315
		2316	sub emergency_save() {
		2317	my $freeze_guard = cf::freeze_mainloop;
		2318
		2319	warn "enter emergency perl save\n";
		2320
		2321	cf::sync_job {
		2322	# use a peculiar iteration method to avoid tripping on perl
		2323	# refcount bugs in for. also avoids problems with players
		2324	# and maps saved/destroyed asynchronously.
		2325	warn "begin emergency player save\n";
		2326	for my $login (keys %cf::PLAYER) {
		2327	my $pl = $cf::PLAYER{$login} or next;
		2328	$pl->valid or next;
		2329	$pl->save;
		2330	}
		2331	warn "end emergency player save\n";
		2332
		2333	warn "begin emergency map save\n";
		2334	for my $path (keys %cf::MAP) {
		2335	my $map = $cf::MAP{$path} or next;
		2336	$map->valid or next;
		2337	$map->save;
		2338	}
		2339	warn "end emergency map save\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
		2344
1429	sub perl_reload() {	2345	sub reload() {
1430	# can/must only be called in main	2346	# can/must only be called in main
1431	if ($Coro::current != $Coro::main) {	2347	if ($Coro::current != $Coro::main) {
1432	warn "can only reload from main coroutine\n";	2348	warn "can only reload from main coroutine";
1433	return;	2349	return;
1434	}	2350	}
1435		2351
1436	warn "reloading...";	2352	warn "reloading...";
1437		2353
1438	local $FREEZE = 1;	2354	warn "cancelling server ticker";
		2355	$TICK_WATCHER->cancel;
		2356
1439	cf::emergency_save;	2357	cf::emergency_save;
1440		2358
1441	eval {	2359	eval {
1442	# if anything goes wrong in here, we should simply crash as we already saved	2360	# if anything goes wrong in here, we should simply crash as we already saved
1443		2361
1444	# cancel all watchers	2362	warn "syncing database to disk";
		2363	cf::db_sync;
		2364
		2365	warn "cancelling all WF_AUTOCANCEL watchers";
1445	for (Event::all_watchers) {	2366	for (Event::all_watchers) {
1446	$_->cancel if $_->data & WF_AUTOCANCEL;	2367	$_->cancel if $_->data & WF_AUTOCANCEL;
1447	}	2368	}
1448		2369
		2370	warn "flushing outstanding aio requests";
		2371	for (;;) {
		2372	IO::AIO::flush;
		2373	Coro::cede;
		2374	last unless IO::AIO::nreqs;
		2375	warn "iterate...";
		2376	}
		2377
1449	# cancel all extension coros	2378	warn "cancelling all extension coros";
1450	$_->cancel for values %EXT_CORO;	2379	$_->cancel for values %EXT_CORO;
1451	%EXT_CORO = ();	2380	%EXT_CORO = ();
1452		2381
1453	# unload all extensions	2382	warn "removing commands";
1454	for (@exts) {	2383	%COMMAND = ();
		2384
		2385	warn "removing ext commands";
		2386	%EXTCMD = ();
		2387
		2388	warn "unloading/nuking all extensions";
		2389	for my $pkg (@EXTS) {
1455	warn "unloading <$_>";	2390	warn "... unloading $pkg";
1456	unload_extension $_;	2391
		2392	if (my $cb = $pkg->can ("unload")) {
		2393	eval {
		2394	$cb->($pkg);
		2395	1
		2396	} or warn "$pkg unloaded, but with errors: $@";
1457	}	2397	}
1458		2398
		2399	warn "... nuking $pkg";
		2400	Symbol::delete_package $pkg;
		2401	}
		2402
1459	# unload all modules loaded from $LIBDIR	2403	warn "unloading all perl modules loaded from $LIBDIR";
1460	while (my ($k, $v) = each %INC) {	2404	while (my ($k, $v) = each %INC) {
1461	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1462		2406
1463	warn "removing <$k>";	2407	warn "... unloading $k";
1464	delete $INC{$k};	2408	delete $INC{$k};
1465		2409
1466	$k =~ s/\.pm$//;	2410	$k =~ s/\.pm$//;
1467	$k =~ s/\//::/g;	2411	$k =~ s/\//::/g;
1468		2412
…		…
1471	}	2415	}
1472		2416
1473	Symbol::delete_package $k;	2417	Symbol::delete_package $k;
1474	}	2418	}
1475		2419
1476	# sync database to disk
1477	cf::db_sync;
1478	IO::AIO::flush;
1479
1480	# get rid of safe::, as good as possible	2420	warn "getting rid of safe::, as good as possible";
1481	Symbol::delete_package "safe::$_"	2421	Symbol::delete_package "safe::$_"
1482	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1483		2423
1484	# remove register_script_function callbacks
1485	# TODO
1486
1487	# unload cf.pm "a bit"	2424	warn "unloading cf.pm \"a bit\"";
1488	delete $INC{"cf.pm"};	2425	delete $INC{"cf.pm"};
1489		2426
1490	# don't, removes xs symbols, too,	2427	# don't, removes xs symbols, too,
1491	# and global variables created in xs	2428	# and global variables created in xs
1492	#Symbol::delete_package __PACKAGE__;	2429	#Symbol::delete_package __PACKAGE__;
1493		2430
1494	# reload cf.pm	2431	warn "unload completed, starting to reload now";
		2432
1495	warn "reloading cf.pm";	2433	warn "reloading cf.pm";
1496	require cf;	2434	require cf;
1497	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1498		2436
1499	# load config and database again	2437	warn "loading config and database again";
1500	cf::cfg_load;	2438	cf::cfg_load;
1501	cf::db_load;	2439	cf::db_load;
1502		2440
1503	# load extensions
1504	warn "load extensions";	2441	warn "loading extensions";
1505	cf::load_extensions;	2442	cf::load_extensions;
1506		2443
1507	# reattach attachments to objects	2444	warn "reattaching attachments to objects/players";
1508	warn "reattach";
1509	_global_reattach;	2445	_global_reattach;
		2446	warn "reattaching attachments to maps";
		2447	reattach $_ for values %MAP;
		2448
		2449	warn "restarting server ticker";
		2450
		2451	$TICK_WATCHER->start;
1510	};	2452	};
1511		2453
1512	if ($@) {	2454	if ($@) {
1513	warn $@;	2455	warn $@;
1514	warn "error while reloading, exiting.";	2456	warn "error while reloading, exiting.";
1515	exit 1;	2457	exit 1;
1516	}	2458	}
1517		2459
1518	warn "reloaded successfully";	2460	warn "reloaded";
1519	};	2461	};
1520		2462
1521	#############################################################################	2463	our $RELOAD_WATCHER; # used only during reload
1522		2464
1523	unless ($LINK_MAP) {
1524	$LINK_MAP = cf::map::new;
1525
1526	$LINK_MAP->width (41);
1527	$LINK_MAP->height (41);
1528	$LINK_MAP->alloc;
1529	$LINK_MAP->path ("{link}");
1530	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1531	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1532	}
1533
1534	register "<global>", __PACKAGE__;
1535
1536	register_command "perl-reload" => sub {	2465	register_command "reload" => sub {
1537	my ($who, $arg) = @_;	2466	my ($who, $arg) = @_;
1538		2467
1539	if ($who->flag (FLAG_WIZ)) {	2468	if ($who->flag (FLAG_WIZ)) {
1540	$who->message ("start of reload.");
1541	perl_reload;
1542	$who->message ("end of reload.");	2469	$who->message ("reloading server.");
		2470
		2471	# doing reload synchronously and two reloads happen back-to-back,
		2472	# coro crashes during coro_state_free->destroy here.
		2473
		2474	$RELOAD_WATCHER ||= Event->timer (
		2475	reentrant => 0,
		2476	after => 0,
		2477	data => WF_AUTOCANCEL,
		2478	cb => sub {
		2479	reload;
		2480	undef $RELOAD_WATCHER;
		2481	},
		2482	);
1543	}	2483	}
1544	};	2484	};
1545		2485
1546	unshift @INC, $LIBDIR;	2486	unshift @INC, $LIBDIR;
		2487
		2488	my $bug_warning = 0;
1547		2489
1548	$TICK_WATCHER = Event->timer (	2490	$TICK_WATCHER = Event->timer (
1549	reentrant => 0,	2491	reentrant => 0,
		2492	parked => 1,
1550	prio => 0,	2493	prio => 0,
1551	at => $NEXT_TICK || $TICK,	2494	at => $NEXT_TICK || $TICK,
1552	data => WF_AUTOCANCEL,	2495	data => WF_AUTOCANCEL,
1553	cb => sub {	2496	cb => sub {
1554	unless ($FREEZE) {	2497	if ($Coro::current != $Coro::main) {
		2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2499	unless ++$bug_warning > 10;
		2500	return;
		2501	}
		2502
		2503	$NOW = Event::time;
		2504
1555	cf::server_tick; # one server iteration	2505	cf::server_tick; # one server iteration
1556	$RUNTIME += $TICK;	2506	$RUNTIME += $TICK;
1557	}
1558
1559	$NEXT_TICK += $TICK;	2507	$NEXT_TICK += $TICK;
		2508
		2509	$WAIT_FOR_TICK->broadcast;
		2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2511
		2512	Event::sweep;
		2513	Coro::cede_notself;
		2514
		2515	# my $AFTER = Event::time;
		2516	# warn $AFTER - $NOW;#d#
1560		2517
1561	# if we are delayed by four ticks or more, skip them all	2518	# if we are delayed by four ticks or more, skip them all
1562	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1563		2520
1564	$TICK_WATCHER->at ($NEXT_TICK);	2521	$TICK_WATCHER->at ($NEXT_TICK);
1565	$TICK_WATCHER->start;	2522	$TICK_WATCHER->start;
1566	},	2523	},
1567	);	2524	);
1568		2525
1569	IO::AIO::max_poll_time $TICK * 0.2;	2526	IO::AIO::max_poll_time $TICK * 0.1;
1570		2527
1571	Event->io (	2528	undef $Coro::AIO::WATCHER;
		2529	$AIO_POLL_WATCHER = Event->io (
		2530	reentrant => 0,
1572	fd => IO::AIO::poll_fileno,	2531	fd => IO::AIO::poll_fileno,
1573	poll => 'r',	2532	poll => 'r',
1574	prio => 5,	2533	prio => 6,
1575	data => WF_AUTOCANCEL,	2534	data => WF_AUTOCANCEL,
1576	cb => \&IO::AIO::poll_cb,	2535	cb => \&IO::AIO::poll_cb,
1577	);	2536	);
1578		2537
1579	Event->timer (	2538	$WRITE_RUNTIME_WATCHER = Event->timer (
		2539	reentrant => 0,
1580	data => WF_AUTOCANCEL,	2540	data => WF_AUTOCANCEL,
1581	after => 0,	2541	after => 1,
1582	interval => 10,	2542	interval => 10,
1583	cb => sub {	2543	prio => 6, # keep it lowest so it acts like a watchdog
1584	(Coro::unblock_sub {	2544	cb => Coro::unblock_sub {
1585	write_runtime	2545	write_runtime
1586	or warn "ERROR: unable to write runtime file: $!";	2546	or warn "ERROR: unable to write runtime file: $!";
1587	})->();
1588	},	2547	},
1589	);	2548	);
1590		2549
		2550	END { cf::emergency_save }
		2551
1591	1	2552	1
1592		2553

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