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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
180		225
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
		230
		231	=item cf::lock_wait $string
		232
		233	Wait until the given lock is available. See cf::lock_acquire.
		234
		235	=item my $lock = cf::lock_acquire $string
		236
		237	Wait until the given lock is available and then acquires it and returns
		238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		239	for example when the coroutine gets canceled), the lock is automatically
		240	returned.
		241
		242	Lock names should begin with a unique identifier (for example, cf::map::find
		243	uses map_find and cf::map::load uses map_load).
		244
		245	=cut
		246
		247	our %LOCK;
		248
		249	sub lock_wait($) {
		250	my ($key) = @_;
		251
		252	# wait for lock, if any
		253	while ($LOCK{$key}) {
		254	push @{ $LOCK{$key} }, $Coro::current;
		255	Coro::schedule;
		256	}
		257	}
		258
		259	sub lock_acquire($) {
		260	my ($key) = @_;
		261
		262	# wait, to be sure we are not locked
		263	lock_wait $key;
		264
		265	$LOCK{$key} = [];
		266
		267	Coro::guard {
		268	# wake up all waiters, to be on the safe side
		269	$_->ready for @{ delete $LOCK{$key} };
		270	}
		271	}
		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
		281	$TICK_WATCHER->stop;
		282	$guard
		283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
185		294
186	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
187		296
188	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	298	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
205		314
206	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	316	# (but this is cancel-safe)
208	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
209		318
210	my $busy = 1;	319	my $busy = 1;
211	my @res;	320	my @res;
212		321
213	(Coro::async {	322	(async {
214	@res = eval { $job->() };	323	@res = eval { $job->() };
215	warn $@ if $@;	324	warn $@ if $@;
216	undef $busy;	325	undef $busy;
217	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
218		327
219	while ($busy) {	328	while ($busy) {
220	Coro::cede_notself;	329	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	330	}
223		331
224	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
225	} else {	333	} else {
226	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
227		335
228	$job->()	336	$job->()
229	}	337	}
230	}	338	}
231		339
232	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
233		341
234	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
236		344
237	=cut	345	=cut
238		346
239	sub coro(&) {	347	sub async_ext(&) {
240	my $cb = shift;	348	my $cb = shift;
241		349
242	my $coro; $coro = async {	350	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		351
249	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
251	});	354	});
252	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
253		356
254	$coro	357	$coro
255	}	358	}
256		359
257	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
258	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
259		364
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	366	or return;
262		367
		368	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	369	# 10 is the runtime save interval, for a monotonic clock
		370	# 60 allows for the watchdog to kill the server.
		371
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	373	and return;
266		374
		375	# always fsync - this file is important
267	aio_fsync $fh	376	aio_fsync $fh
268	and return;	377	and return;
269		378
270	close $fh	379	close $fh
271	or return;	380	or return;
…		…
277	}	386	}
278		387
279	=back	388	=back
280		389
281	=cut	390	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		391
403	#############################################################################	392	#############################################################################
404		393
405	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
406		395
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	522	our @CB_MAP = ();
534		523
535	my %attachment;	524	my %attachment;
536		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
537	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
539		534
540	use sort 'stable';	535	use sort 'stable';
541		536
…		…
712	# object support	707	# object support
713		708
714	sub reattach {	709	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		714
718	my $registry = $obj->registry;	715	my $registry = $obj->registry;
719		716
720	@$registry = ();	717	@$registry = ();
721		718
…		…
768	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
769		766
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	771	close $fh;
775		772
776	if (@$objs) {	773	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	779	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
784	}	781	}
785	} else {	782	} else {
786	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
792	}	789	}
793	} else {	790	} else {
794	aio_unlink $filename;	791	aio_unlink $filename;
795	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
796	}	793	}
		794
		795	#d##TODO# nuke non .map-files if exist
		796	if ($filename =~ s/\.map$//) {
		797	aio_unlink $filename;
		798	aio_unlink "$filename.pst";
		799	}
797	}	800	}
798	}	801	}
799		802
800	sub object_freezer_as_string {	803	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
807		810
808	sub object_thawer_load {	811	sub object_thawer_load {
809	my ($filename) = @_;	812	my ($filename) = @_;
810		813
811	my ($data, $av);	814	my ($data, $av);
		815
		816	#d#TODO remove .map if file does not exist
		817	aio_stat $filename and $filename =~ s/\.map$//;
812		818
813	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
814	or return;	820	or return;
815		821
816	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
…		…
853	=cut	859	=cut
854		860
855	sub register_extcmd {	861	sub register_extcmd {
856	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
857		863
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
862	}	865	}
863		866
864	cf::player->attach (	867	cf::player->attach (
865	on_command => sub {	868	on_command => sub {
866	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
879		882
880	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
881		884
882	if (ref $msg) {	885	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	889	}
887	}	890	}
888	} else {	891	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		894
892	cf::override;	895	cf::override;
893	},	896	},
894	);	897	);
895		898
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	899	sub load_extension {
903	my ($path) = @_;	900	my ($path) = @_;
904		901
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	903	my $base = $1;
907	my $pkg = $1;	904	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
910		907
911	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
912		909
913	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
914	or die "$path: $!";	911	or die "$path: $!";
915		912
916	my $source =	913	my $source =
917	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
920	. "\n};\n1";	917	. "\n};\n1";
921		918
922	eval $source	919	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	921	: "extension disabled.\n";
925		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	923	warn $@;
927	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
928		925	exit 1;
929	# no strict 'refs';	926	}
930	# @{"$pkg\::ISA"} = ext::;	927	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	928	}
945		929
946	# remove commands	930	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	931	}
971		932
972	sub load_extensions {	933	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	935	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
979	}	940	}
980	}	941	}
981		942
982	#############################################################################	943	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		944
1020	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1021		946
1022	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1023		948
		949	=cut
		950
		951	package cf::player;
		952
		953	use Coro::AIO;
		954
1024	=head3 cf::player	955	=head3 cf::player
1025		956
1026	=over 4	957	=over 4
1027		958
1028	=item cf::player::exists $login	959	=item cf::player::find $login
1029		960
1030	Returns true when the given account exists.	961	Returns the given player object, loading it if necessary (might block).
1031		962
1032	=cut	963	=cut
1033		964
1034	sub cf::player::exists($) {	965	sub playerdir($) {
1035	cf::player::find $_[0]	966	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	967	. "/"
		968	. cf::playerdir
		969	. "/"
		970	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		971	}
		972
		973	sub path($) {
		974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		975
		976	(playerdir $login) . "/$login.pl"
		977	}
		978
		979	sub find_active($) {
		980	$cf::PLAYER{$_[0]}
		981	and $cf::PLAYER{$_[0]}->active
		982	and $cf::PLAYER{$_[0]}
		983	}
		984
		985	sub exists($) {
		986	my ($login) = @_;
		987
		988	$cf::PLAYER{$login}
		989	or cf::sync_job { !aio_stat path $login }
		990	}
		991
		992	sub find($) {
		993	return $cf::PLAYER{$_[0]} || do {
		994	my $login = $_[0];
		995
		996	my $guard = cf::lock_acquire "user_find:$login";
		997
		998	$cf::PLAYER{$_[0]} || do {
		999	my $pl = load_pl path $login
		1000	or return;
		1001	$cf::PLAYER{$login} = $pl
		1002	}
		1003	}
		1004	}
		1005
		1006	sub save($) {
		1007	my ($pl) = @_;
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	my $path = path $pl;
		1012	my $guard = cf::lock_acquire "user_save:$path";
		1013
		1014	return if $pl->{deny_save};
		1015
		1016	aio_mkdir playerdir $pl, 0770;
		1017	$pl->{last_save} = $cf::RUNTIME;
		1018
		1019	$pl->save_pl ($path);
		1020	Coro::cede;
		1021	}
		1022
		1023	sub new($) {
		1024	my ($login) = @_;
		1025
		1026	my $self = create;
		1027
		1028	$self->ob->name ($login);
		1029	$self->{deny_save} = 1;
		1030
		1031	$cf::PLAYER{$login} = $self;
		1032
		1033	$self
		1034	}
		1035
		1036	=item $pl->quit_character
		1037
		1038	Nukes the player without looking back. If logged in, the connection will
		1039	be destroyed. May block for a long time.
		1040
		1041	=cut
		1042
		1043	sub quit_character {
		1044	my ($pl) = @_;
		1045
		1046	$pl->{deny_save} = 1;
		1047	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1048
		1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1050	$pl->deactivate;
		1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1052	$pl->ns->destroy if $pl->ns;
		1053
		1054	my $path = playerdir $pl;
		1055	my $temp = "$path~$cf::RUNTIME~deleting~";
		1056	aio_rename $path, $temp;
		1057	delete $cf::PLAYER{$pl->ob->name};
		1058	$pl->destroy;
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item cf::player::list_logins
		1063
		1064	Returns am arrayref of all valid playernames in the system, can take a
		1065	while and may block, so not sync_job-capable, ever.
		1066
		1067	=cut
		1068
		1069	sub list_logins {
		1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1071	or return [];
		1072
		1073	my @logins;
		1074
		1075	for my $login (@$dirs) {
		1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1077	aio_read $fh, 0, 512, my $buf, 0 or next;
		1078	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1079
		1080	utf8::decode $login;
		1081	push @logins, $login;
		1082	}
		1083
		1084	\@logins
		1085	}
		1086
		1087	=item $player->maps
		1088
		1089	Returns an arrayref of map paths that are private for this
		1090	player. May block.
		1091
		1092	=cut
		1093
		1094	sub maps($) {
		1095	my ($pl) = @_;
		1096
		1097	$pl = ref $pl ? $pl->ob->name : $pl;
		1098
		1099	my $files = aio_readdir playerdir $pl
		1100	or return;
		1101
		1102	my @paths;
		1103
		1104	for (@$files) {
		1105	utf8::decode $_;
		1106	next if /\.(?:pl|pst)$/;
		1107	next unless /^$PATH_SEP/o;
		1108
		1109	push @paths, cf::map::normalise "~$pl/$_";
		1110	}
		1111
		1112	\@paths
1037	}	1113	}
1038		1114
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1116
1041	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1042		1118
1043	=cut	1119	=cut
1044		1120
1045	sub cf::player::ext_reply($$$%) {	1121	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1122	my ($self, $id, %msg) = @_;
1047		1123
1048	$msg{msgid} = $id;	1124	$msg{msgid} = $id;
1049		1125
1050	$self->send ("ext " . to_json \%msg);	1126	$self->send ("ext " . cf::to_json \%msg);
1051	}	1127	}
		1128
		1129	package cf;
1052		1130
1053	=back	1131	=back
1054		1132
1055		1133
1056	=head3 cf::map	1134	=head3 cf::map
…		…
1062	package cf::map;	1140	package cf::map;
1063		1141
1064	use Fcntl;	1142	use Fcntl;
1065	use Coro::AIO;	1143	use Coro::AIO;
1066		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1067	our $MAX_RESET = 7200;	1149	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1150	our $DEFAULT_RESET = 3000;
1069		1151
1070	sub generate_random_map {	1152	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1155	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1166	(cf::region::find $rmp->{region}), $rmp->{custom}
		1167	)
		1168	}
		1169
		1170	=item cf::map->register ($regex, $prio)
		1171
		1172	Register a handler for the map path matching the given regex at the
		1173	givne priority (higher is better, built-in handlers have priority 0, the
		1174	default).
		1175
		1176	=cut
		1177
		1178	sub register {
		1179	my (undef, $regex, $prio) = @_;
		1180	my $pkg = caller;
		1181
		1182	no strict;
		1183	push @{"$pkg\::ISA"}, __PACKAGE__;
		1184
		1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1186	}
		1187
		1188	# also paths starting with '/'
		1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1190
		1191	sub thawer_merge {
		1192	my ($self, $merge) = @_;
		1193
		1194	# we have to keep some variables in memory intact
		1195	local $self->{path};
		1196	local $self->{load_path};
		1197	local $self->{deny_save};
		1198	local $self->{deny_reset};
		1199
		1200	$self->SUPER::thawer_merge ($merge);
		1201	}
		1202
		1203	sub normalise {
		1204	my ($path, $base) = @_;
		1205
		1206	$path = "$path"; # make sure its a string
		1207
		1208	$path =~ s/\.map$//;
		1209
		1210	# map plan:
		1211	#
		1212	# /! non-realised random map exit (special hack!)
		1213	# {... are special paths that are not being touched
		1214	# ?xxx/... are special absolute paths
		1215	# ?random/... random maps
		1216	# /... normal maps
		1217	# ~user/... per-player map of a specific user
		1218
		1219	$path =~ s/$PATH_SEP/\//go;
		1220
		1221	# treat it as relative path if it starts with
		1222	# something that looks reasonable
		1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1225
		1226	$base =~ s{[^/]+/?$}{};
		1227	$path = "$base/$path";
		1228	}
		1229
		1230	for ($path) {
		1231	redo if s{//}{/};
		1232	redo if s{/\.?/}{/};
		1233	redo if s{/[^/]+/\.\./}{/};
		1234	}
		1235
		1236	$path
		1237	}
		1238
		1239	sub new_from_path {
		1240	my (undef, $path, $base) = @_;
		1241
		1242	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1243
		1244	$path = normalise $path, $base;
		1245
		1246	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1247	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1248	my $self = bless cf::map::new, $pkg;
		1249	$self->{path} = $path; $self->path ($path);
		1250	$self->init; # pass $1 etc.
		1251	return $self;
		1252	}
		1253	}
		1254
		1255	Carp::carp "unable to resolve path '$path' (base '$base').";
		1256	()
		1257	}
		1258
		1259	sub init {
		1260	my ($self) = @_;
		1261
		1262	$self
		1263	}
		1264
		1265	sub as_string {
		1266	my ($self) = @_;
		1267
		1268	"$self->{path}"
		1269	}
		1270
		1271	# the displayed name, this is a one way mapping
		1272	sub visible_name {
		1273	&as_string
		1274	}
		1275
		1276	# the original (read-only) location
		1277	sub load_path {
		1278	my ($self) = @_;
		1279
		1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1281	}
		1282
		1283	# the temporary/swap location
		1284	sub save_path {
		1285	my ($self) = @_;
		1286
		1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1289	}
		1290
		1291	# the unique path, undef == no special unique path
		1292	sub uniq_path {
		1293	my ($self) = @_;
		1294
		1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1297	}
1088		1298
1089	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1090	# all maps in C++...	1300	# all maps in C++...
1091	sub change_all_map_light {	1301	sub change_all_map_light {
1092	my ($change) = @_;	1302	my ($change) = @_;
1093		1303
1094	$_->change_map_light ($change) for values %cf::MAP;	1304	$_->change_map_light ($change)
		1305	for grep $_->outdoor, values %cf::MAP;
1095	}	1306	}
1096		1307
		1308	sub unlink_save {
		1309	my ($self) = @_;
		1310
		1311	utf8::encode (my $save = $self->save_path);
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1314
		1315	#d#TODO remove .map and also nuke
		1316	$save =~ s/\.map// or return;#d#
		1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1319	}
		1320
1097	sub try_load_header($) {	1321	sub load_header_from($) {
1098	my ($path) = @_;	1322	my ($self, $path) = @_;
1099		1323
1100	utf8::encode $path;	1324	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1102	or return;	1329	or return;
1103		1330
1104	my $map = cf::map::new	1331	$self->{load_path} = $path;
		1332
		1333	1
		1334	}
		1335
		1336	sub load_header_orig {
		1337	my ($self) = @_;
		1338
		1339	$self->load_header_from ($self->load_path)
		1340	}
		1341
		1342	sub load_header_temp {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->save_path)
		1346	}
		1347
		1348	sub prepare_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->last_access ((delete $self->{last_access})
		1352	|| $cf::RUNTIME); #d#
		1353	# safety
		1354	$self->{instantiate_time} = $cf::RUNTIME
		1355	if $self->{instantiate_time} > $cf::RUNTIME;
		1356	}
		1357
		1358	sub prepare_orig {
		1359	my ($self) = @_;
		1360
		1361	$self->{load_original} = 1;
		1362	$self->{instantiate_time} = $cf::RUNTIME;
		1363	$self->last_access ($cf::RUNTIME);
		1364	$self->instantiate;
		1365	}
		1366
		1367	sub load_header {
		1368	my ($self) = @_;
		1369
		1370	if ($self->load_header_temp) {
		1371	$self->prepare_temp;
		1372	} else {
		1373	$self->load_header_orig
1105	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1106		1377
1107	$map->load_header ($path)	1378	1
1108	or return;
1109
1110	$map->{load_path} = $path;
1111
1112	$map
1113	}	1379	}
1114		1380
		1381	sub find;
1115	sub find_map {	1382	sub find {
1116	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1117		1384
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1386
		1387	cf::lock_wait "map_find:$path";
		1388
1123	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1124	# do it the slow way	1390	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1391	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1392	or return;
1139		1393
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1394	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1395
1154	if ($map->should_reset) {	1396	$map->load_header
		1397	or return;
		1398
		1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1400	# doing this can freeze the server in a sync job, obviously
		1401	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1402	$map->reset;
1156	$map = find_map $path;	1403	undef $guard;
		1404	return find $path;
1157	}	1405	}
1158		1406
1159	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1160	}	1408	}
1161	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1162		1413
1163	sub load {	1414	sub load {
1164	my ($self) = @_;	1415	my ($self) = @_;
1165		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
		1419	my $path = $self->{path};
		1420	my $guard = cf::lock_acquire "map_load:$path";
		1421
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1423
1168	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1169		1425
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1173	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1431	or return;
1175		1432
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1434	if delete $self->{load_original};
1178		1435
1179	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1437	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1439	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1184	}	1441	}
1185	}	1442	}
		1443
		1444	Coro::cede;
1186		1445
1187	# now do the right thing for maps	1446	# now do the right thing for maps
1188	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1189		1448
1190	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1450	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1197	$self->set_darkness_map;	1454	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1200	$self->activate;	1458	$self->activate;
1201	}	1459	}
1202		1460
		1461	$self->post_load;
		1462
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1464	}
1205		1465
1206	sub load_map_sync {	1466	sub customise_for {
		1467	my ($self, $ob) = @_;
		1468
		1469	return find "~" . $ob->name . "/" . $self->{path}
		1470	if $self->per_player;
		1471
		1472	$self
		1473	}
		1474
		1475	# find and load all maps in the 3x3 area around a map
		1476	sub load_diag {
		1477	my ($map) = @_;
		1478
		1479	my @diag; # diagonal neighbours
		1480
		1481	for (0 .. 3) {
		1482	my $neigh = $map->tile_path ($_)
		1483	or next;
		1484	$neigh = find $neigh, $map
		1485	or next;
		1486	$neigh->load;
		1487
		1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1490	}
		1491
		1492	for (@diag) {
		1493	my $neigh = find @$_
		1494	or next;
		1495	$neigh->load;
		1496	}
		1497	}
		1498
		1499	sub find_sync {
1207	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1208		1501
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1502	cf::sync_job { find $path, $origin }
		1503	}
1210		1504
1211	cf::sync_job {	1505	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1506	my ($map) = @_;
1213	or return;	1507
		1508	cf::sync_job { $map->load };
		1509	}
		1510
		1511	our %MAP_PREFETCH;
		1512	our $MAP_PREFETCHER = undef;
		1513
		1514	sub find_async {
		1515	my ($path, $origin) = @_;
		1516
		1517	$path = normalise $path, $origin && $origin->{path};
		1518
		1519	if (my $map = $cf::MAP{$path}) {
		1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1521	}
		1522
		1523	undef $MAP_PREFETCH{$path};
		1524	$MAP_PREFETCHER ||= cf::async {
		1525	while (%MAP_PREFETCH) {
		1526	for my $path (keys %MAP_PREFETCH) {
		1527	my $map = find $path
		1528	or next;
1214	$map->load;	1529	$map->load;
1215	$map	1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
1216	}	1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
1217	}	1539	}
1218		1540
1219	sub save {	1541	sub save {
1220	my ($self) = @_;	1542	my ($self) = @_;
1221		1543
		1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1545
1222	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1223		1547
1224	return unless $self->dirty;	1548	return unless $self->dirty;
1225		1549
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1552
1229	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1230		1554
1231	return if $self->{deny_save};	1555	return if $self->{deny_save};
1232		1556
		1557	local $self->{last_access} = $self->last_access;#d#
		1558
		1559	cf::async {
		1560	$_->contr->save for $self->players;
		1561	};
		1562
1233	if ($uniq) {	1563	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1566	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1568	}
1239	}	1569	}
1240		1570
1241	sub swap_out {	1571	sub swap_out {
1242	my ($self) = @_;	1572	my ($self) = @_;
		1573
		1574	# save first because save cedes
		1575	$self->save;
		1576
		1577	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1578
1244	return if $self->players;	1579	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1581	return if $self->{deny_save};
1247		1582
1248	$self->save;
1249	$self->clear;	1583	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1584	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1585	}
1252		1586
1253	sub reset_at {	1587	sub reset_at {
1254	my ($self) = @_;	1588	my ($self) = @_;
1255		1589
1256	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1259		1593
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1596
…		…
1267	my ($self) = @_;	1601	my ($self) = @_;
1268		1602
1269	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1270	}	1604	}
1271		1605
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1606	sub reset {
1294	my ($self) = @_;	1607	my ($self) = @_;
1295		1608
		1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1610
1296	return if $self->players;	1611	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1298		1613
1299	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1300		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617
		1618	# need to save uniques path
		1619	unless ($self->{deny_save}) {
		1620	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1621
		1622	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1623	if $uniq;
		1624	}
		1625
1301	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1302		1629
1303	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1304		1631
1305	$self->unlink_save;	1632	$self->unlink_save;
1306	$self->destroy;	1633	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1310		1637
1311	sub nuke {	1638	sub nuke {
1312	my ($self) = @_;	1639	my ($self) = @_;
1313		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1317	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1318	}	1654	}
1319		1655
1320	sub customise_for {	1656	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1657
1323	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1325	}
1326		1660
1327	$map	1661	=cut
1328	}
1329		1662
1330	sub emergency_save {	1663	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1332		1666
1333	warn "enter emergency map save\n";	1667	my @paths;
1334		1668
1335	cf::sync_job {	1669	for (@$files) {
1336	warn "begin emergency map save\n";	1670	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1671	next if /\.pst$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise $_;
1338	};	1675	}
1339		1676
1340	warn "end emergency map save\n";	1677	\@paths
1341	}	1678	}
1342		1679
1343	package cf;	1680	package cf;
1344		1681
1345	=back	1682	=back
1346		1683
		1684	=head3 cf::object
		1685
		1686	=cut
		1687
		1688	package cf::object;
		1689
		1690	=over 4
		1691
		1692	=item $ob->inv_recursive
		1693
		1694	Returns the inventory of the object _and_ their inventories, recursively.
		1695
		1696	=cut
		1697
		1698	sub inv_recursive_;
		1699	sub inv_recursive_ {
		1700	map { $_, inv_recursive_ $_->inv } @_
		1701	}
		1702
		1703	sub inv_recursive {
		1704	inv_recursive_ inv $_[0]
		1705	}
		1706
		1707	package cf;
		1708
		1709	=back
1347		1710
1348	=head3 cf::object::player	1711	=head3 cf::object::player
1349		1712
1350	=over 4	1713	=over 4
1351		1714
…		…
1391		1754
1392	=item $player_object->enter_link	1755	=item $player_object->enter_link
1393		1756
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1757	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1758
1396	The player should be reaosnably safe there for short amounts of time. You	1759	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1398		1761
		1762	Will never block.
		1763
1399	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1400		1765
1401	Moves the player out of the specila link map onto the given map. If the	1766	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1767	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1768	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1769	fails, to the emergency map position.
1405		1770
1406	Might block.	1771	Might block.
1407		1772
1408	=cut	1773	=cut
		1774
		1775	sub link_map {
		1776	unless ($LINK_MAP) {
		1777	$LINK_MAP = cf::map::find "{link}"
		1778	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1779	$LINK_MAP->load;
		1780	}
		1781
		1782	$LINK_MAP
		1783	}
1409		1784
1410	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1786	my ($self) = @_;
1412		1787
1413	return if $self->map == $LINK_MAP;	1788	$self->deactivate_recursive;
1414		1789
		1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1791
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1793	if $self->map;
1417		1794
1418	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1796	}
1421		1797
1422	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1424		1800
1425	my $link_pos = delete $self->{_link_pos};	1801	my $link_pos = delete $self->{_link_pos};
1426		1802
1427	unless ($map) {	1803	unless ($map) {
1428	# restore original map position	1804	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1805	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1806	$map = cf::map::find $map;
1431		1807
1432	unless ($map) {	1808	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1809	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1810	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1811	or die "FATAL: cannot load emergency map\n";
1436	}	1812	}
1437	}	1813	}
1438		1814
1439	($x, $y) = (-1, -1)	1815	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1445		1821
1446	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1447		1824
		1825	return unless $self->contr->active;
1448	$self->activate_recursive;	1826	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1450	}	1828	}
1451		1829
		1830	cf::player->attach (
		1831	on_logout => sub {
		1832	my ($pl) = @_;
		1833
		1834	# abort map switching before logout
		1835	if ($pl->ob->{_link_pos}) {
		1836	cf::sync_job {
		1837	$pl->ob->leave_link
		1838	};
		1839	}
		1840	},
		1841	on_login => sub {
		1842	my ($pl) = @_;
		1843
		1844	# try to abort aborted map switching on player login :)
		1845	# should happen only on crashes
		1846	if ($pl->ob->{_link_pos}) {
		1847	$pl->ob->enter_link;
		1848	(async {
		1849	# we need this sleep as the login has a concurrent enter_exit running
		1850	# and this sleep increases chances of the player not ending up in scorn
		1851	$pl->ob->reply (undef,
		1852	"There was an internal problem at your last logout, "
		1853	. "the server will try to bring you to your intended destination in a second.",
		1854	cf::NDI_RED);
		1855	Coro::Timer::sleep 1;
		1856	$pl->ob->leave_link;
		1857	})->prio (2);
		1858	}
		1859	},
		1860	);
		1861
1452	=item $player_object->goto_map ($path, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1453		1863
1454	=cut	1864	=cut
1455		1865
1456	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1458		1868
1459	$self->enter_link;	1869	$self->enter_link;
1460		1870
1461	(Coro::async {	1871	(async {
1462	$path = new cf::path $path;	1872	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1873	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1466		1875	$map
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1468	# if $map;
1469
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1878
1472	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1880	})->prio (1);
1474	}	1881	}
1475		1882
…		…
1479		1886
1480	sub parse_random_map_params {	1887	sub parse_random_map_params {
1481	my ($spec) = @_;	1888	my ($spec) = @_;
1482		1889
1483	my $rmp = { # defaults	1890	my $rmp = { # defaults
1484	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1486	};	1895	};
1487		1896
1488	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1490		1899
…		…
1494	$rmp	1903	$rmp
1495	}	1904	}
1496		1905
1497	sub prepare_random_map {	1906	sub prepare_random_map {
1498	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1910
1500	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1913	# that depends on the exit object
1503		1914
1504	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1505		1916
1506	if ($exit->map) {	1917	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1511	}	1922	}
1512		1923
1513	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1514		1925
1515	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1929
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1520		1934
1521	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1936	$exit->msg (undef);
1523	}	1937	}
1524	}	1938	}
…		…
1526	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1528		1942
1529	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1530		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
		1953
1531	$self->enter_link;	1954	$self->enter_link;
1532		1955
1533	(Coro::async {	1956	(async {
		1957	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1958	unless (eval {
1535		1959	$self->goto ($slaying, $hp, $sp);
1536	prepare_random_map $exit
1537	if $exit->slaying eq "/!";
1538
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1541		1960
1542	1;	1961	1;
1543	}) {	1962	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1967
1549	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1969	$self->leave_link;
1551	}	1970	}
…		…
1602	on_reply => sub {	2021	on_reply => sub {
1603	my ($ns, $msg) = @_;	2022	my ($ns, $msg) = @_;
1604		2023
1605	# this weird shuffling is so that direct followup queries	2024	# this weird shuffling is so that direct followup queries
1606	# get handled first	2025	# get handled first
1607	my $queue = delete $ns->{query_queue};	2026	my $queue = delete $ns->{query_queue}
		2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		2028
1609	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2031
1611	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1612		2033
1613	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2035	if (@$queue) {
…		…
1618	}	2039	}
1619	}	2040	}
1620	},	2041	},
1621	);	2042	);
1622		2043
1623	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1624		2045
1625	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	2047	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	2048	or loss of connection).
1628		2049
1629	=cut	2050	=cut
1630		2051
1631	sub cf::client::coro {	2052	sub cf::client::async {
1632	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1633		2054
1634	my $coro; $coro = async {	2055	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2056
1641	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1643	});	2059	});
1644		2060
…		…
1780	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1781	using it, it should be unique.	2197	using it, it should be unique.
1782		2198
1783	=over 4	2199	=over 4
1784		2200
1785	=item $hashref = cf::db_get $family
1786
1787	Return a hashref for use by the extension C<$family>, which can be
1788	modified. After modifications, you have to call C<cf::db_dirty> or
1789	C<cf::db_sync>.
1790
1791	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1792		2202
1793	Returns a single value from the database	2203	Returns a single value from the database.
1794
1795	=item cf::db_put $family => $hashref
1796
1797	Stores the given family hashref into the database. Updates are delayed, if
1798	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1799		2204
1800	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1801		2206
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1803	want the data to be synced to disk immediately, use C<cf::db_sync>.
1804
1805	=item cf::db_dirty
1806
1807	Marks the database as dirty, to be updated at a later time.
1808
1809	=item cf::db_sync
1810
1811	Immediately write the database to disk I<if it is dirty>.
1812		2208
1813	=cut	2209	=cut
1814		2210
1815	our $DB;	2211	our $DB;
1816		2212
1817	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1818	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1819		2232
1820	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1821	warn "loading database $path\n";#d# remove later	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1822	$DB = stat $path ? Storable::retrieve $path : { };	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
1823	}	2236	BDB::db_env_txn_checkpoint $DB_ENV;
1824		2237
1825	my $pid;	2238	unlink $path;
1826
1827	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;
1834	cf::_exit 0 if defined $pid;
1835	}	2239	};
1836	}
1837
1838	my $dirty;
1839
1840	sub db_sync() {
1841	db_save if $dirty;
1842	undef $dirty;
1843	}
1844
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;
1847	});
1848
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {
1855	@_ >= 2
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859
1860	sub db_put($$;$) {
1861	if (@_ >= 3) {
1862	$DB->{$_[0]}{$_[1]} = $_[2];
1863	} else {
1864	$DB->{$_[0]} = $_[1];
1865	}
1866	db_dirty;
1867	}
1868
1869	cf::global->attach (
1870	prio => 10000,
1871	on_cleanup => sub {
1872	db_sync;
1873	},	2240	}
1874	);	2241	}
		2242	}
		2243
		2244	sub db_get($$) {
		2245	my $key = "$_[0]/$_[1]";
		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
		2255	sub db_put($$$) {
		2256	BDB::dbreq_pri 4;
		2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1875	}	2258	}
1876		2259
1877	#############################################################################	2260	#############################################################################
1878	# the server's main()	2261	# the server's init and main functions
		2262
		2263	sub load_resources {
		2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2265	or die "unable to load regions file\n";#d#
		2266	}
1879		2267
1880	sub cfg_load {	2268	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2270	or return;
1883		2271
1884	local $/;	2272	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2273	*CFG = YAML::Syck::Load <$fh>;
		2274
		2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2276
		2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2279
		2280	if (exists $CFG{mlockall}) {
		2281	eval {
		2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2283	and die "WARNING: m(un)lockall failed: $!\n";
		2284	};
		2285	warn $@ if $@;
		2286	}
		2287	}
		2288
		2289	sub init {
		2290	load_resources;
1886	}	2291	}
1887		2292
1888	sub main {	2293	sub main {
1889	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2297	(async {
1893	Event::one_event;	2298	Event::one_event;
1894	})->();	2299	})->prio (Coro::PRIO_MAX);
1895	};	2300	};
1896		2301
1897	cfg_load;	2302	cfg_load;
1898	db_load;	2303	db_init;
1899	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
1900	Event::loop;	2307	Event::loop;
1901	}	2308	}
1902		2309
1903	#############################################################################	2310	#############################################################################
1904	# initialisation	2311	# initialisation and cleanup
		2312
		2313	# install some emergency cleanup handlers
		2314	BEGIN {
		2315	for my $signal (qw(INT HUP TERM)) {
		2316	Event->signal (
		2317	reentrant => 0,
		2318	data => WF_AUTOCANCEL,
		2319	signal => $signal,
		2320	prio => 0,
		2321	cb => sub {
		2322	cf::cleanup "SIG$signal";
		2323	},
		2324	);
		2325	}
		2326	}
		2327
		2328	sub emergency_save() {
		2329	my $freeze_guard = cf::freeze_mainloop;
		2330
		2331	warn "enter emergency perl save\n";
		2332
		2333	cf::sync_job {
		2334	# use a peculiar iteration method to avoid tripping on perl
		2335	# refcount bugs in for. also avoids problems with players
		2336	# and maps saved/destroyed asynchronously.
		2337	warn "begin emergency player save\n";
		2338	for my $login (keys %cf::PLAYER) {
		2339	my $pl = $cf::PLAYER{$login} or next;
		2340	$pl->valid or next;
		2341	$pl->save;
		2342	}
		2343	warn "end emergency player save\n";
		2344
		2345	warn "begin emergency map save\n";
		2346	for my $path (keys %cf::MAP) {
		2347	my $map = $cf::MAP{$path} or next;
		2348	$map->valid or next;
		2349	$map->save;
		2350	}
		2351	warn "end emergency map save\n";
		2352
		2353	warn "begin emergency database checkpoint\n";
		2354	BDB::db_env_txn_checkpoint $DB_ENV;
		2355	warn "end emergency database checkpoint\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
		2360
		2361	sub post_cleanup {
		2362	my ($make_core) = @_;
		2363
		2364	warn Carp::longmess "post_cleanup backtrace"
		2365	if $make_core;
		2366	}
1905		2367
1906	sub reload() {	2368	sub reload() {
1907	# can/must only be called in main	2369	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
1910	return;	2372	return;
1911	}	2373	}
1912		2374
1913	warn "reloading...";	2375	warn "reloading...";
1914		2376
1915	local $FREEZE = 1;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
1916	cf::emergency_save;	2380	cf::emergency_save;
1917		2381
1918	eval {	2382	eval {
1919	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
1920		2384
1921	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2388	}
1925		2389
		2390	warn "syncing database to disk";
		2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
1926	# cancel all extension coros	2402	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2404	%EXT_CORO = ();
1929		2405
1930	# unload all extensions	2406	warn "removing commands";
1931	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2414	warn "... unloading $pkg";
1933	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2421	}
1935		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
1936	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2430
1940	warn "removing <$k>";	2431	warn "... unloading $k";
1941	delete $INC{$k};	2432	delete $INC{$k};
1942		2433
1943	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
1945		2436
…		…
1948	}	2439	}
1949		2440
1950	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
1951	}	2442	}
1952		2443
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2447
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
1966		2450
1967	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2452	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
1970		2454
1971	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
1972	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
1973	require cf;	2458	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2460
1976	# load config and database again	2461	warn "loading config and database again";
1977	cf::cfg_load;	2462	cf::cfg_load;
1978	cf::db_load;
1979		2463
1980	# load extensions
1981	warn "load extensions";	2464	warn "loading extensions";
1982	cf::load_extensions;	2465	cf::load_extensions;
1983		2466
1984	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
		2471
		2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "restarting server ticker";
		2476
		2477	$TICK_WATCHER->start;
1987	};	2478	};
1988		2479
1989	if ($@) {	2480	if ($@) {
1990	warn $@;	2481	warn $@;
1991	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
1992	exit 1;	2483	exit 1;
1993	}	2484	}
1994		2485
1995	warn "reloaded successfully";	2486	warn "reloaded";
1996	};	2487	};
1997		2488
1998	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2490
2043	register_command "reload" => sub {	2491	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2045		2493
2046	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2495	$who->message ("reloading server.");
		2496
		2497	# doing reload synchronously and two reloads happen back-to-back,
		2498	# coro crashes during coro_state_free->destroy here.
		2499
		2500	$RELOAD_WATCHER ||= Event->timer (
		2501	reentrant => 0,
		2502	after => 0,
		2503	data => WF_AUTOCANCEL,
		2504	cb => sub {
2048	reload;	2505	reload;
2049	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2050	}	2509	}
2051	};	2510	};
2052		2511
2053	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2054		2515
2055	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2057	prio => 0,	2519	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2060	cb => sub {	2522	cb => sub {
2061	unless ($FREEZE) {	2523	if ($Coro::current != $Coro::main) {
		2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2525	unless ++$bug_warning > 10;
		2526	return;
		2527	}
		2528
		2529	$NOW = Event::time;
		2530
2062	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2533	$NEXT_TICK += $TICK;
		2534
		2535	$WAIT_FOR_TICK->broadcast;
		2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2537
		2538	Event::sweep;
		2539	Coro::cede_notself;
		2540
		2541	# my $AFTER = Event::time;
		2542	# warn $AFTER - $NOW;#d#
2067		2543
2068	# if we are delayed by four ticks or more, skip them all	2544	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2546
2071	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2073	},	2549	},
2074	);	2550	);
2075		2551
		2552	{
		2553	BDB::max_poll_time $TICK * 0.1;
		2554	$BDB_POLL_WATCHER = Event->io (
		2555	reentrant => 0,
		2556	fd => BDB::poll_fileno,
		2557	poll => 'r',
		2558	prio => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => \&BDB::poll_cb,
		2561	);
		2562	BDB::min_parallel 8;
		2563
		2564	BDB::set_sync_prepare {
		2565	my $status;
		2566	my $current = $Coro::current;
		2567	(
		2568	sub {
		2569	$status = $!;
		2570	$current->ready; undef $current;
		2571	},
		2572	sub {
		2573	Coro::schedule while defined $current;
		2574	$! = $status;
		2575	},
		2576	)
		2577	};
		2578
		2579	unless ($DB_ENV) {
		2580	$DB_ENV = BDB::db_env_create;
		2581
		2582	cf::sync_job {
		2583	eval {
		2584	BDB::db_env_open
		2585	$DB_ENV,
		2586	$BDB_ENV_DIR,
		2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2589	0666;
		2590
		2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2592
		2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2594	$DB_ENV->set_lk_detect;
		2595	};
		2596
		2597	cf::cleanup "db_env_open(db): $@" if $@;
		2598	};
		2599	}
		2600	}
		2601
		2602	{
		2603	IO::AIO::min_parallel 8;
		2604
		2605	undef $Coro::AIO::WATCHER;
2076	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2077		2607	$AIO_POLL_WATCHER = Event->io (
2078	Event->io (	2608	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2080	poll => 'r',	2610	poll => 'r',
2081	prio => 5,	2611	prio => 6,
2082	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2084	);	2614	);
		2615	}
2085		2616
2086	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2087	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2088	after => 0,	2620	after => 1,
2089	interval => 10,	2621	interval => 10,
2090	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2091	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2092	write_runtime	2624	write_runtime
2093	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2094	})->();
2095	},	2626	},
2096	);	2627	);
2097		2628
		2629	END { cf::emergency_save }
		2630
2098	1	2631	1
2099		2632

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